blob: 38bb1c77e374637ef9cab4f4c7ea8516ced1af96 [file] [log] [blame]
[email protected]d4a8ca482013-10-30 21:06:401// Copyright 2013 The Chromium Authors. All rights reserved.
license.botbf09a502008-08-24 00:55:552// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
initial.commit09911bf2008-07-26 23:55:294
creis4e2ecb72015-06-20 00:46:305/*
6 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
7 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
9 * (http://www.torchmobile.com/)
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 *
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
21 * its contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
25 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
28 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
danakjc492bf82020-09-09 20:02:4436#include "content/browser/renderer_host/navigation_controller_impl.h"
initial.commit09911bf2008-07-26 23:55:2937
Lei Zhang96031532019-10-10 19:05:4738#include <algorithm>
dcheng36b6aec92015-12-26 06:16:3639#include <utility>
40
[email protected]c5b88d82012-10-06 17:03:3341#include "base/bind.h"
[email protected]eabfe1912014-05-12 10:07:2842#include "base/command_line.h"
initial.commit09911bf2008-07-26 23:55:2943#include "base/logging.h"
asvitkine30330812016-08-30 04:01:0844#include "base/metrics/histogram_macros.h"
Chris Hamilton83272dc2021-02-23 00:24:0245#include "base/stl_util.h"
Peter Kastingb53b81912021-04-28 19:23:3046#include "base/strings/string_piece.h"
[email protected]348fbaac2013-06-11 06:31:5147#include "base/strings/string_util.h"
[email protected]74ebfb12013-06-07 20:48:0048#include "base/strings/utf_string_conversions.h"
[email protected]a43858f2013-06-28 15:18:3749#include "base/time/time.h"
Carlos Caballero40b0efd2021-01-26 11:55:0050#include "base/trace_event/optional_trace_event.h"
Carlos Caballeroede6f8c2021-01-28 11:01:5051#include "base/trace_event/trace_conversion_helper.h"
ssid3e765612015-01-28 04:03:4252#include "base/trace_event/trace_event.h"
servolkf3955532015-05-16 00:01:5953#include "build/build_config.h"
[email protected]eabfe1912014-05-12 10:07:2854#include "cc/base/switches.h"
jamescookda2505812015-03-20 18:01:1855#include "content/browser/bad_message.h"
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:3956#include "content/browser/blob_storage/chrome_blob_storage_context.h"
[email protected]825b1662012-03-12 19:07:3157#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4158#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0459#include "content/browser/dom_storage/session_storage_namespace_impl.h"
danakjc492bf82020-09-09 20:02:4460#include "content/browser/renderer_host/debug_urls.h"
61#include "content/browser/renderer_host/frame_tree.h"
Carlos Caballero40b0efd2021-01-26 11:55:0062#include "content/browser/renderer_host/frame_tree_node.h"
Chris Bookholt27faf8d2022-01-20 01:03:3363#include "content/browser/renderer_host/navigation_controller_delegate.h"
danakjc492bf82020-09-09 20:02:4464#include "content/browser/renderer_host/navigation_entry_impl.h"
Nate Chapin214a86a2021-06-21 20:35:5765#include "content/browser/renderer_host/navigation_entry_restore_context_impl.h"
danakjc492bf82020-09-09 20:02:4466#include "content/browser/renderer_host/navigation_request.h"
67#include "content/browser/renderer_host/navigator.h"
68#include "content/browser/renderer_host/render_frame_host_delegate.h"
Carlos Caballero40b0efd2021-01-26 11:55:0069#include "content/browser/renderer_host/render_view_host_impl.h"
Sharon Yangd70a5392021-10-26 23:06:3270#include "content/browser/site_info.h"
[email protected]b6583592012-01-25 19:52:3371#include "content/browser/site_instance_impl.h"
Kunihiko Sakamoto346a74e2021-03-10 08:57:4872#include "content/browser/web_package/subresource_web_bundle_navigation_info.h"
Tsuyoshi Horo37493af2019-11-21 23:43:1473#include "content/browser/web_package/web_bundle_navigation_info.h"
Camille Lamy5193caa2018-10-12 11:59:4274#include "content/common/content_constants_internal.h"
Nate Chapind1fe3612021-04-16 20:45:5775#include "content/common/navigation_params_utils.h"
Nasko Oskovae49e292020-08-13 02:08:5176#include "content/common/trace_utils.h"
[email protected]ccb797302011-12-15 16:55:1177#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1978#include "content/public/browser/content_browser_client.h"
Fergal Daly1336ac642021-09-14 15:13:1179#include "content/public/browser/disallow_activation_reason.h"
[email protected]d9083482012-01-06 00:38:4680#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0081#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3882#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1683#include "content/public/browser/notification_types.h"
Lei Zhang96031532019-10-10 19:05:4784#include "content/public/browser/render_view_host.h"
[email protected]9677a3c2012-12-22 04:18:5885#include "content/public/browser/render_widget_host.h"
86#include "content/public/browser/render_widget_host_view.h"
Mikel Astizba9cf2fd2017-12-17 10:38:1087#include "content/public/browser/replaced_navigation_entry_data.h"
[email protected]4c3a23582012-08-18 08:54:3488#include "content/public/browser/storage_partition.h"
[email protected]d1198fd2012-08-13 22:50:1989#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3890#include "content/public/common/content_constants.h"
toyoshim86e34ec2016-02-25 08:56:1091#include "content/public/common/content_features.h"
Lei Zhang96031532019-10-10 19:05:4792#include "content/public/common/url_constants.h"
clamy7fced7b2017-11-16 19:52:4393#include "content/public/common/url_utils.h"
servolkf3955532015-05-16 00:01:5994#include "media/base/mime_util.h"
[email protected]a23de8572009-06-03 02:16:3295#include "net/base/escape.h"
Arthur Sonzogni620cec62018-12-13 13:08:5796#include "net/http/http_status_code.h"
Shivani Sharma93329102019-01-24 19:44:1897#include "services/metrics/public/cpp/ukm_builders.h"
98#include "services/metrics/public/cpp/ukm_recorder.h"
Yue Ru Sun128804932020-09-30 22:19:1799#include "services/metrics/public/cpp/ukm_source_id.h"
Nan Lind91c8152021-10-21 16:22:37100#include "services/network/public/mojom/fetch_api.mojom.h"
[email protected]9677a3c2012-12-22 04:18:58101#include "skia/ext/platform_canvas.h"
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:39102#include "third_party/blink/public/common/blob/blob_utils.h"
Gyuyoung Kim107c2a02021-04-13 01:49:30103#include "third_party/blink/public/common/chrome_debug_urls.h"
Miyoung Shin1c565c912021-03-17 12:11:21104#include "third_party/blink/public/common/history/session_history_constants.h"
Blink Reformata30d4232018-04-07 15:31:06105#include "third_party/blink/public/common/mime_util/mime_util.h"
Minggang Wanga13c796e2021-07-02 05:54:43106#include "third_party/blink/public/common/navigation/navigation_params.h"
Carlos Caballeroede6f8c2021-01-28 11:01:50107#include "third_party/blink/public/common/page_state/page_state_serialization.h"
Minggang Wangb9f3fa92021-07-01 15:30:31108#include "third_party/blink/public/mojom/navigation/navigation_params.mojom.h"
Minggang Wang7ee0c742021-06-16 16:16:51109#include "third_party/blink/public/mojom/navigation/prefetched_signed_exchange_info.mojom.h"
[email protected]cca6f392014-05-28 21:32:26110#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:29111
[email protected]8ff00d72012-10-23 19:12:21112namespace content {
[email protected]e9ba4472008-09-14 15:42:43113namespace {
114
115// Invoked when entries have been pruned, or removed. For example, if the
116// current entries are [google, digg, yahoo], with the current entry google,
117// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:47118void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
Shivani Sharmab9c46de82019-02-08 16:54:50119 int index,
[email protected]c12bf1a12008-09-17 16:28:49120 int count) {
[email protected]8ff00d72012-10-23 19:12:21121 PrunedDetails details;
Shivani Sharmab9c46de82019-02-08 16:54:50122 details.index = index;
[email protected]c12bf1a12008-09-17 16:28:49123 details.count = count;
Sam McNally5c087a32017-08-25 01:46:14124 nav_controller->delegate()->NotifyNavigationListPruned(details);
[email protected]e9ba4472008-09-14 15:42:43125}
126
[email protected]e9ba4472008-09-14 15:42:43127// Configure all the NavigationEntries in entries for restore. This resets
128// the transition type to reload and makes sure the content state isn't empty.
129void ConfigureEntriesForRestore(
dcheng9bfa5162016-04-09 01:00:57130 std::vector<std::unique_ptr<NavigationEntryImpl>>* entries,
toyoshim0df1d3a2016-09-09 09:52:48131 RestoreType type) {
Lei Zhang96031532019-10-10 19:05:47132 for (auto& entry : *entries) {
[email protected]e9ba4472008-09-14 15:42:43133 // Use a transition type of reload so that we don't incorrectly increase
134 // the typed count.
Lei Zhang96031532019-10-10 19:05:47135 entry->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
136 entry->set_restore_type(type);
[email protected]e9ba4472008-09-14 15:42:43137 }
138}
139
[email protected]bf70edce2012-06-20 22:32:22140// Determines whether or not we should be carrying over a user agent override
141// between two NavigationEntries.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57142bool ShouldKeepOverride(NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22143 return last_entry && last_entry->GetIsOverridingUserAgent();
144}
145
Camille Lamy5193caa2018-10-12 11:59:42146// Determines whether to override user agent for a navigation.
147bool ShouldOverrideUserAgent(
148 NavigationController::UserAgentOverrideOption override_user_agent,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57149 NavigationEntry* last_committed_entry) {
Camille Lamy5193caa2018-10-12 11:59:42150 switch (override_user_agent) {
151 case NavigationController::UA_OVERRIDE_INHERIT:
152 return ShouldKeepOverride(last_committed_entry);
153 case NavigationController::UA_OVERRIDE_TRUE:
154 return true;
155 case NavigationController::UA_OVERRIDE_FALSE:
156 return false;
Camille Lamy5193caa2018-10-12 11:59:42157 }
158 NOTREACHED();
159 return false;
160}
161
Rakina Zata Amni312822d72021-06-04 16:13:37162// Returns true if this navigation should be treated as a reload. For e.g.
clamy0a656e42018-02-06 18:18:28163// navigating to the last committed url via the address bar or clicking on a
Rakina Zata Amni312822d72021-06-04 16:13:37164// link which results in a navigation to the last committed URL (but wasn't
165// converted to do a replacement navigation in the renderer), etc.
Fergal Daly766177d2020-07-07 07:54:04166// |node| is the FrameTreeNode which is navigating. |url|, |virtual_url|,
167// |base_url_for_data_url|, |transition_type| correspond to the new navigation
168// (i.e. the pending NavigationEntry). |last_committed_entry| is the last
169// navigation that committed.
170bool ShouldTreatNavigationAsReload(FrameTreeNode* node,
171 const GURL& url,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57172 const GURL& virtual_url,
173 const GURL& base_url_for_data_url,
174 ui::PageTransition transition_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57175 bool is_post,
Rakina Zata Amni312822d72021-06-04 16:13:37176 bool should_replace_current_entry,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57177 NavigationEntryImpl* last_committed_entry) {
Rakina Zata Amni312822d72021-06-04 16:13:37178 // Navigations intended to do a replacement shouldn't be converted to do a
179 // reload.
180 if (should_replace_current_entry)
clamy0a656e42018-02-06 18:18:28181 return false;
clamy0a656e42018-02-06 18:18:28182 // Only convert to reload if at least one navigation committed.
Rakina Zata Amniafd3c6582021-11-30 06:19:17183 if (last_committed_entry->IsInitialEntry())
ananta3bdd8ae2016-12-22 17:11:55184 return false;
185
arthursonzogni7a8243682017-12-14 16:41:42186 // Skip navigations initiated by external applications.
clamy0a656e42018-02-06 18:18:28187 if (transition_type & ui::PAGE_TRANSITION_FROM_API)
arthursonzogni7a8243682017-12-14 16:41:42188 return false;
189
ananta3bdd8ae2016-12-22 17:11:55190 // We treat (PAGE_TRANSITION_RELOAD | PAGE_TRANSITION_FROM_ADDRESS_BAR),
191 // PAGE_TRANSITION_TYPED or PAGE_TRANSITION_LINK transitions as navigations
192 // which should be treated as reloads.
clamy0a656e42018-02-06 18:18:28193 bool transition_type_can_be_converted = false;
194 if (ui::PageTransitionCoreTypeIs(transition_type,
195 ui::PAGE_TRANSITION_RELOAD) &&
196 (transition_type & ui::PAGE_TRANSITION_FROM_ADDRESS_BAR)) {
197 transition_type_can_be_converted = true;
ananta3bdd8ae2016-12-22 17:11:55198 }
clamy0a656e42018-02-06 18:18:28199 if (ui::PageTransitionCoreTypeIs(transition_type,
ananta3bdd8ae2016-12-22 17:11:55200 ui::PAGE_TRANSITION_TYPED)) {
clamy0a656e42018-02-06 18:18:28201 transition_type_can_be_converted = true;
202 }
203 if (ui::PageTransitionCoreTypeIs(transition_type, ui::PAGE_TRANSITION_LINK))
204 transition_type_can_be_converted = true;
205 if (!transition_type_can_be_converted)
206 return false;
207
208 // This check is required for cases like view-source:, etc. Here the URL of
209 // the navigation entry would contain the url of the page, while the virtual
210 // URL contains the full URL including the view-source prefix.
211 if (virtual_url != last_committed_entry->GetVirtualURL())
212 return false;
213
Fergal Daly766177d2020-07-07 07:54:04214 // Check that the URLs match.
215 FrameNavigationEntry* frame_entry = last_committed_entry->GetFrameEntry(node);
216 // If there's no frame entry then by definition the URLs don't match.
217 if (!frame_entry)
218 return false;
219
220 if (url != frame_entry->url())
clamy0a656e42018-02-06 18:18:28221 return false;
222
223 // This check is required for Android WebView loadDataWithBaseURL. Apps
224 // can pass in anything in the base URL and we need to ensure that these
225 // match before classifying it as a reload.
226 if (url.SchemeIs(url::kDataScheme) && base_url_for_data_url.is_valid()) {
227 if (base_url_for_data_url != last_committed_entry->GetBaseURLForDataURL())
228 return false;
ananta3bdd8ae2016-12-22 17:11:55229 }
230
clamy0a656e42018-02-06 18:18:28231 // Skip entries with SSL errors.
232 if (last_committed_entry->ssl_error())
233 return false;
234
235 // Don't convert to a reload when the last navigation was a POST or the new
236 // navigation is a POST.
Fergal Daly766177d2020-07-07 07:54:04237 if (frame_entry->get_has_post_data() || is_post)
clamy0a656e42018-02-06 18:18:28238 return false;
239
240 return true;
ananta3bdd8ae2016-12-22 17:11:55241}
242
Nasko Oskov03912102019-01-11 00:21:32243bool DoesURLMatchOriginForNavigation(
244 const GURL& url,
Anton Bikineevf62d1bf2021-05-15 17:56:07245 const absl::optional<url::Origin>& origin,
Kunihiko Sakamoto346a74e2021-03-10 08:57:48246 SubresourceWebBundleNavigationInfo*
247 subresource_web_bundle_navigation_info) {
Nasko Oskov03912102019-01-11 00:21:32248 // If there is no origin supplied there is nothing to match. This can happen
249 // for navigations to a pending entry and therefore it should be allowed.
250 if (!origin)
251 return true;
252
Kunihiko Sakamoto260ee0a2021-10-15 01:44:08253 // Urn: and uuid-in-package: subframe from WebBundle has an opaque origin
254 // derived from the Bundle's origin.
255 // TODO(https://crbug.com/1257045): Remove urn: scheme support.
256 if ((url.SchemeIs(url::kUrnScheme) ||
257 url.SchemeIs(url::kUuidInPackageScheme)) &&
258 subresource_web_bundle_navigation_info) {
Kunihiko Sakamoto346a74e2021-03-10 08:57:48259 return origin->CanBeDerivedFrom(
260 subresource_web_bundle_navigation_info->bundle_url());
261 }
262
Nasko Oskov03912102019-01-11 00:21:32263 return origin->CanBeDerivedFrom(url);
264}
265
Anton Bikineevf62d1bf2021-05-15 17:56:07266absl::optional<url::Origin> GetCommittedOriginForFrameEntry(
Rakina Zata Amni3a1c0ec2021-04-15 03:35:12267 const mojom::DidCommitProvisionalLoadParams& params,
268 NavigationRequest* request) {
Nasko Oskov03912102019-01-11 00:21:32269 // Error pages commit in an opaque origin, yet have the real URL that resulted
270 // in an error as the |params.url|. Since successful reload of an error page
271 // should commit in the correct origin, setting the opaque origin on the
272 // FrameNavigationEntry will be incorrect.
Rakina Zata Amniafd3c6582021-11-30 06:19:17273 if (request && request->DidEncounterError())
Anton Bikineevf62d1bf2021-05-15 17:56:07274 return absl::nullopt;
Nasko Oskov03912102019-01-11 00:21:32275
Rakina Zata Amni3a1c0ec2021-04-15 03:35:12276 // We also currently don't save committed origins for loadDataWithBaseURL
277 // navigations (probably accidentally). Without this check, navigations to
278 // the FrameNavigationEntry might fail the DoesURLMatchOriginForNavigation()
279 // check since the origin will be based on the base URL instead of the data:
280 // URL used for the navigation.
281 // TODO(https://crbug.com/1198406): Save committed origin in
282 // FrameNavigationEntry for this case too.
Rakina Zata Amniafd3c6582021-11-30 06:19:17283 if (request && request->IsLoadDataWithBaseURL())
Anton Bikineevf62d1bf2021-05-15 17:56:07284 return absl::nullopt;
Rakina Zata Amni3a1c0ec2021-04-15 03:35:12285
Anton Bikineevf62d1bf2021-05-15 17:56:07286 return absl::make_optional(params.origin);
Nasko Oskov03912102019-01-11 00:21:32287}
288
Camille Lamy5193caa2018-10-12 11:59:42289bool IsValidURLForNavigation(bool is_main_frame,
290 const GURL& virtual_url,
291 const GURL& dest_url) {
292 // Don't attempt to navigate if the virtual URL is non-empty and invalid.
293 if (is_main_frame && !virtual_url.is_valid() && !virtual_url.is_empty()) {
294 LOG(WARNING) << "Refusing to load for invalid virtual URL: "
295 << virtual_url.possibly_invalid_spec();
296 return false;
297 }
298
299 // Don't attempt to navigate to non-empty invalid URLs.
300 if (!dest_url.is_valid() && !dest_url.is_empty()) {
301 LOG(WARNING) << "Refusing to load invalid URL: "
302 << dest_url.possibly_invalid_spec();
303 return false;
304 }
305
306 // The renderer will reject IPC messages with URLs longer than
307 // this limit, so don't attempt to navigate with a longer URL.
308 if (dest_url.spec().size() > url::kMaxURLChars) {
309 LOG(WARNING) << "Refusing to load URL as it exceeds " << url::kMaxURLChars
310 << " characters.";
311 return false;
312 }
313
Aaron Colwell33109c592020-04-21 21:31:19314 // Reject renderer debug URLs because they should have been handled before
315 // we get to this point. This check handles renderer debug URLs
316 // that are inside a view-source: URL (e.g. view-source:chrome://kill) and
317 // provides defense-in-depth if a renderer debug URL manages to get here via
318 // some other path. We want to reject the navigation here so it doesn't
319 // violate assumptions in downstream code.
Gyuyoung Kim107c2a02021-04-13 01:49:30320 if (blink::IsRendererDebugURL(dest_url)) {
Aaron Colwell33109c592020-04-21 21:31:19321 LOG(WARNING) << "Refusing to load renderer debug URL: "
322 << dest_url.possibly_invalid_spec();
323 return false;
324 }
325
Camille Lamy5193caa2018-10-12 11:59:42326 return true;
327}
328
Mikel Astizba9cf2fd2017-12-17 10:38:10329// See replaced_navigation_entry_data.h for details: this information is meant
330// to ensure |*output_entry| keeps track of its original URL (landing page in
331// case of server redirects) as it gets replaced (e.g. history.replaceState()),
332// without overwriting it later, for main frames.
333void CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57334 NavigationEntryImpl* replaced_entry,
Mikel Astizba9cf2fd2017-12-17 10:38:10335 NavigationEntryImpl* output_entry) {
Rakina Zata Amniafd3c6582021-11-30 06:19:17336 if (output_entry->GetReplacedEntryData().has_value() ||
337 replaced_entry->IsInitialEntry()) {
Mikel Astizba9cf2fd2017-12-17 10:38:10338 return;
Rakina Zata Amniafd3c6582021-11-30 06:19:17339 }
Mikel Astizba9cf2fd2017-12-17 10:38:10340
341 ReplacedNavigationEntryData data;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57342 data.first_committed_url = replaced_entry->GetURL();
343 data.first_timestamp = replaced_entry->GetTimestamp();
344 data.first_transition_type = replaced_entry->GetTransitionType();
Charlie Reisb55438f2019-01-08 01:54:29345 output_entry->set_replaced_entry_data(data);
Mikel Astizba9cf2fd2017-12-17 10:38:10346}
347
Minggang Wangb9f3fa92021-07-01 15:30:31348blink::mojom::NavigationType GetNavigationType(
349 const GURL& old_url,
350 const GURL& new_url,
351 ReloadType reload_type,
352 NavigationEntryImpl* entry,
353 const FrameNavigationEntry& frame_entry,
354 bool has_pending_cross_document_commit,
355 bool is_currently_error_page,
356 bool is_same_document_history_load) {
clamyea99ea12018-05-28 13:54:23357 // Reload navigations
358 switch (reload_type) {
359 case ReloadType::NORMAL:
Minggang Wangb9f3fa92021-07-01 15:30:31360 return blink::mojom::NavigationType::RELOAD;
clamyea99ea12018-05-28 13:54:23361 case ReloadType::BYPASSING_CACHE:
Minggang Wangb9f3fa92021-07-01 15:30:31362 return blink::mojom::NavigationType::RELOAD_BYPASSING_CACHE;
clamyea99ea12018-05-28 13:54:23363 case ReloadType::ORIGINAL_REQUEST_URL:
Minggang Wangb9f3fa92021-07-01 15:30:31364 return blink::mojom::NavigationType::RELOAD_ORIGINAL_REQUEST_URL;
clamyea99ea12018-05-28 13:54:23365 case ReloadType::NONE:
366 break; // Fall through to rest of function.
367 }
368
Lukasz Anforowicz6b75c0d2020-12-01 22:56:08369 if (entry->IsRestored()) {
Minggang Wangb9f3fa92021-07-01 15:30:31370 return entry->GetHasPostData()
371 ? blink::mojom::NavigationType::RESTORE_WITH_POST
372 : blink::mojom::NavigationType::RESTORE;
clamyea99ea12018-05-28 13:54:23373 }
374
danakjb952ef12021-01-14 19:58:49375 const bool can_be_same_document =
376 // A pending cross-document commit means this navigation will not occur in
377 // the current document, as that document would end up being replaced in
378 // the meantime.
379 !has_pending_cross_document_commit &&
380 // If the current document is an error page, we should always treat it as
381 // a different-document navigation so that we'll attempt to load the
382 // document we're navigating to (and not stay in the current error page).
383 !is_currently_error_page;
danakjd83d706d2020-11-25 22:11:12384
clamyea99ea12018-05-28 13:54:23385 // History navigations.
386 if (frame_entry.page_state().IsValid()) {
danakjd83d706d2020-11-25 22:11:12387 return can_be_same_document && is_same_document_history_load
Minggang Wangb9f3fa92021-07-01 15:30:31388 ? blink::mojom::NavigationType::HISTORY_SAME_DOCUMENT
389 : blink::mojom::NavigationType::HISTORY_DIFFERENT_DOCUMENT;
clamyea99ea12018-05-28 13:54:23390 }
391 DCHECK(!is_same_document_history_load);
392
393 // A same-document fragment-navigation happens when the only part of the url
394 // that is modified is after the '#' character.
395 //
396 // When modifying this condition, please take a look at:
danakjd83d706d2020-11-25 22:11:12397 // FrameLoader::ShouldPerformFragmentNavigation().
clamyea99ea12018-05-28 13:54:23398 //
399 // Note: this check is only valid for navigations that are not history
400 // navigations. For instance, if the history is: 'A#bar' -> 'B' -> 'A#foo', a
401 // history navigation from 'A#foo' to 'A#bar' is not a same-document
402 // navigation, but a different-document one. This is why history navigation
403 // are classified before this check.
Lei Zhang96031532019-10-10 19:05:47404 bool is_same_doc = new_url.has_ref() && old_url.EqualsIgnoringRef(new_url) &&
405 frame_entry.method() == "GET";
danakjd83d706d2020-11-25 22:11:12406
407 // The one case where we do the wrong thing here and incorrectly choose
408 // SAME_DOCUMENT is if the navigation is browser-initiated but the document in
409 // the renderer is a frameset. All frameset navigations should be
410 // DIFFERENT_DOCUMENT, even if their URLs match. A renderer-initiated
411 // navigation would do the right thing, as it would send it to the browser and
412 // all renderer-initiated navigations are DIFFERENT_DOCUMENT (they don't get
413 // into this method). But since we can't tell that case here for browser-
414 // initiated navigations, we have to get the renderer involved. In that case
415 // the navigation would be restarted due to the renderer spending a reply of
416 // mojom::CommitResult::RestartCrossDocument.
417
418 return can_be_same_document && is_same_doc
Minggang Wangb9f3fa92021-07-01 15:30:31419 ? blink::mojom::NavigationType::SAME_DOCUMENT
420 : blink::mojom::NavigationType::DIFFERENT_DOCUMENT;
clamyea99ea12018-05-28 13:54:23421}
422
Camille Lamy5193caa2018-10-12 11:59:42423// Adjusts the original input URL if needed, to get the URL to actually load and
424// the virtual URL, which may differ.
425void RewriteUrlForNavigation(const GURL& original_url,
426 BrowserContext* browser_context,
427 GURL* url_to_load,
428 GURL* virtual_url,
429 bool* reverse_on_redirect) {
Camille Lamy5193caa2018-10-12 11:59:42430 // Allow the browser URL handler to rewrite the URL. This will, for example,
431 // remove "view-source:" from the beginning of the URL to get the URL that
432 // will actually be loaded. This real URL won't be shown to the user, just
433 // used internally.
Lukasz Anforowicz7b078792020-10-20 17:04:31434 *url_to_load = *virtual_url = original_url;
Camille Lamy5193caa2018-10-12 11:59:42435 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
436 url_to_load, browser_context, reverse_on_redirect);
437}
438
439#if DCHECK_IS_ON()
440// Helper sanity check function used in debug mode.
441void ValidateRequestMatchesEntry(NavigationRequest* request,
442 NavigationEntryImpl* entry) {
443 if (request->frame_tree_node()->IsMainFrame()) {
444 DCHECK_EQ(request->browser_initiated(), !entry->is_renderer_initiated());
445 DCHECK(ui::PageTransitionTypeIncludingQualifiersIs(
Minggang Wangb9f3fa92021-07-01 15:30:31446 ui::PageTransitionFromInt(request->common_params().transition),
447 entry->GetTransitionType()));
Camille Lamy5193caa2018-10-12 11:59:42448 }
Nasko Oskovc36327d2019-01-03 23:23:04449 DCHECK_EQ(request->commit_params().should_clear_history_list,
Camille Lamy5193caa2018-10-12 11:59:42450 entry->should_clear_history_list());
451 DCHECK_EQ(request->common_params().has_user_gesture,
452 entry->has_user_gesture());
453 DCHECK_EQ(request->common_params().base_url_for_data_url,
454 entry->GetBaseURLForDataURL());
Nasko Oskovc36327d2019-01-03 23:23:04455 DCHECK_EQ(request->commit_params().can_load_local_resources,
Camille Lamy5193caa2018-10-12 11:59:42456 entry->GetCanLoadLocalResources());
457 DCHECK_EQ(request->common_params().started_from_context_menu,
458 entry->has_started_from_context_menu());
459
460 FrameNavigationEntry* frame_entry =
461 entry->GetFrameEntry(request->frame_tree_node());
462 if (!frame_entry) {
463 NOTREACHED();
464 return;
465 }
466
Camille Lamy5193caa2018-10-12 11:59:42467 DCHECK_EQ(request->common_params().method, frame_entry->method());
468
Nasko Oskovc36327d2019-01-03 23:23:04469 size_t redirect_size = request->commit_params().redirects.size();
Camille Lamy5193caa2018-10-12 11:59:42470 if (redirect_size == frame_entry->redirect_chain().size()) {
471 for (size_t i = 0; i < redirect_size; ++i) {
Nasko Oskovc36327d2019-01-03 23:23:04472 DCHECK_EQ(request->commit_params().redirects[i],
Camille Lamy5193caa2018-10-12 11:59:42473 frame_entry->redirect_chain()[i]);
474 }
475 } else {
476 NOTREACHED();
477 }
478}
479#endif // DCHECK_IS_ON()
480
Dave Tapuska8bfd84c2019-03-26 20:47:16481// Returns whether the session history NavigationRequests in |navigations|
482// would stay within the subtree of the sandboxed iframe in
483// |sandbox_frame_tree_node_id|.
484bool DoesSandboxNavigationStayWithinSubtree(
485 int sandbox_frame_tree_node_id,
486 const std::vector<std::unique_ptr<NavigationRequest>>& navigations) {
487 for (auto& item : navigations) {
488 bool within_subtree = false;
489 // Check whether this NavigationRequest affects a frame within the
490 // sandboxed frame's subtree by walking up the tree looking for the
491 // sandboxed frame.
492 for (auto* frame = item->frame_tree_node(); frame;
Alexander Timin381e7e182020-04-28 19:04:03493 frame = FrameTreeNode::From(frame->parent())) {
Dave Tapuska8bfd84c2019-03-26 20:47:16494 if (frame->frame_tree_node_id() == sandbox_frame_tree_node_id) {
495 within_subtree = true;
496 break;
497 }
498 }
499 if (!within_subtree)
500 return false;
501 }
502 return true;
503}
504
[email protected]e9ba4472008-09-14 15:42:43505} // namespace
506
arthursonzogni66f711c2019-10-08 14:40:36507// NavigationControllerImpl::PendingEntryRef------------------------------------
508
509NavigationControllerImpl::PendingEntryRef::PendingEntryRef(
510 base::WeakPtr<NavigationControllerImpl> controller)
511 : controller_(controller) {}
512
513NavigationControllerImpl::PendingEntryRef::~PendingEntryRef() {
514 if (!controller_) // Can be null with interstitials.
515 return;
516
517 controller_->PendingEntryRefDeleted(this);
518}
519
[email protected]d202a7c2012-01-04 07:53:47520// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29521
[email protected]23a918b2014-07-15 09:51:36522const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23523
[email protected]765b35502008-08-21 00:51:20524// static
[email protected]d202a7c2012-01-04 07:53:47525size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23526 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20527
[email protected]e6fec472013-05-14 05:29:02528// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20529// when testing.
530static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29531
[email protected]71fde352011-12-29 03:29:56532// static
dcheng9bfa5162016-04-09 01:00:57533std::unique_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
534 const GURL& url,
Lukasz Anforowicz641234d52019-11-07 21:07:10535 Referrer referrer,
Anton Bikineevf62d1bf2021-05-15 17:56:07536 absl::optional<url::Origin> initiator_origin,
Lukasz Anforowicz641234d52019-11-07 21:07:10537 ui::PageTransition transition,
538 bool is_renderer_initiated,
539 const std::string& extra_headers,
540 BrowserContext* browser_context,
541 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
542 return NavigationControllerImpl::CreateNavigationEntry(
543 url, referrer, std::move(initiator_origin),
544 nullptr /* source_site_instance */, transition, is_renderer_initiated,
Hayato Ito303654c2021-06-30 09:07:54545 extra_headers, browser_context, std::move(blob_url_loader_factory));
Lukasz Anforowicz641234d52019-11-07 21:07:10546}
547
548// static
549std::unique_ptr<NavigationEntryImpl>
550NavigationControllerImpl::CreateNavigationEntry(
551 const GURL& url,
552 Referrer referrer,
Anton Bikineevf62d1bf2021-05-15 17:56:07553 absl::optional<url::Origin> initiator_origin,
Lukasz Anforowicz641234d52019-11-07 21:07:10554 SiteInstance* source_site_instance,
dcheng9bfa5162016-04-09 01:00:57555 ui::PageTransition transition,
556 bool is_renderer_initiated,
557 const std::string& extra_headers,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:09558 BrowserContext* browser_context,
Hayato Ito303654c2021-06-30 09:07:54559 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
Camille Lamy5193caa2018-10-12 11:59:42560 GURL url_to_load;
561 GURL virtual_url;
[email protected]71fde352011-12-29 03:29:56562 bool reverse_on_redirect = false;
Camille Lamy5193caa2018-10-12 11:59:42563 RewriteUrlForNavigation(url, browser_context, &url_to_load, &virtual_url,
564 &reverse_on_redirect);
[email protected]71fde352011-12-29 03:29:56565
Lukasz Anforowicz641234d52019-11-07 21:07:10566 // Let the NTP override the navigation params and pretend that this is a
567 // browser-initiated, bookmark-like navigation.
568 GetContentClient()->browser()->OverrideNavigationParams(
Scott Violetcf6ea7e2021-06-09 21:09:21569 source_site_instance, &transition, &is_renderer_initiated, &referrer,
570 &initiator_origin);
Lukasz Anforowicz641234d52019-11-07 21:07:10571
Patrick Monettef507e982019-06-19 20:18:06572 auto entry = std::make_unique<NavigationEntryImpl>(
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28573 nullptr, // The site instance for tabs is sent on navigation
574 // (WebContents::GetSiteInstance).
Jan Wilken Dörrieaace0cfef2021-03-11 22:01:58575 url_to_load, referrer, initiator_origin, std::u16string(), transition,
Rakina Zata Amniafd3c6582021-11-30 06:19:17576 is_renderer_initiated, blob_url_loader_factory,
577 /* is_initial_entry = */ false);
Camille Lamy5193caa2018-10-12 11:59:42578 entry->SetVirtualURL(virtual_url);
579 entry->set_user_typed_url(virtual_url);
[email protected]71fde352011-12-29 03:29:56580 entry->set_update_virtual_url_with_url(reverse_on_redirect);
581 entry->set_extra_headers(extra_headers);
Patrick Monettef507e982019-06-19 20:18:06582 return entry;
[email protected]71fde352011-12-29 03:29:56583}
584
[email protected]cdcb1dee2012-01-04 00:46:20585// static
586void NavigationController::DisablePromptOnRepost() {
587 g_check_for_repost = false;
588}
589
[email protected]c5b88d82012-10-06 17:03:33590base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
591 base::Time t) {
592 // If |t| is between the water marks, we're in a run of duplicates
593 // or just getting out of it, so increase the high-water mark to get
594 // a time that probably hasn't been used before and return it.
595 if (low_water_mark_ <= t && t <= high_water_mark_) {
Peter Kastinge5a38ed2021-10-02 03:06:35596 high_water_mark_ += base::Microseconds(1);
[email protected]c5b88d82012-10-06 17:03:33597 return high_water_mark_;
598 }
599
600 // Otherwise, we're clear of the last duplicate run, so reset the
601 // water marks.
602 low_water_mark_ = high_water_mark_ = t;
603 return t;
604}
605
ckitagawa0faa5e42020-06-17 17:30:54606NavigationControllerImpl::ScopedShowRepostDialogForTesting::
607 ScopedShowRepostDialogForTesting()
608 : was_disallowed_(g_check_for_repost) {
609 g_check_for_repost = true;
610}
611
612NavigationControllerImpl::ScopedShowRepostDialogForTesting::
613 ~ScopedShowRepostDialogForTesting() {
614 g_check_for_repost = was_disallowed_;
615}
616
[email protected]d202a7c2012-01-04 07:53:47617NavigationControllerImpl::NavigationControllerImpl(
Carlos Caballero40b0efd2021-01-26 11:55:00618 BrowserContext* browser_context,
619 FrameTree& frame_tree,
620 NavigationControllerDelegate* delegate)
621 : frame_tree_(frame_tree),
622 browser_context_(browser_context),
[email protected]ec6c05f2013-10-23 18:41:57623 delegate_(delegate),
[email protected]69e797f2013-04-30 01:10:22624 ssl_manager_(this),
Lei Zhang96031532019-10-10 19:05:47625 get_timestamp_callback_(base::BindRepeating(&base::Time::Now)) {
[email protected]3d7474ff2011-07-27 17:47:37626 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29627}
628
[email protected]d202a7c2012-01-04 07:53:47629NavigationControllerImpl::~NavigationControllerImpl() {
arthursonzogni69a6a1b2019-09-17 09:23:00630 // The NavigationControllerImpl might be called inside its delegate
631 // destructor. Calling it is not valid anymore.
632 delegate_ = nullptr;
633 DiscardNonCommittedEntries();
initial.commit09911bf2008-07-26 23:55:29634}
635
Matt Falkenhagen548ed1562021-07-06 01:38:26636WebContents* NavigationControllerImpl::DeprecatedGetWebContents() {
637 return delegate_->DeprecatedGetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32638}
639
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57640BrowserContext* NavigationControllerImpl::GetBrowserContext() {
[email protected]a26023822011-12-29 00:23:55641 return browser_context_;
642}
643
[email protected]d202a7c2012-01-04 07:53:47644void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30645 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36646 RestoreType type,
dcheng9bfa5162016-04-09 01:00:57647 std::vector<std::unique_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57648 // Verify that this controller is unused and that the input is valid.
Rakina Zata Amniafd3c6582021-11-30 06:19:17649 DCHECK_EQ(1, GetEntryCount());
650 DCHECK(GetLastCommittedEntry()->IsInitialEntry());
Lei Zhang96031532019-10-10 19:05:47651 DCHECK(!GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57652 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14653 selected_navigation < static_cast<int>(entries->size()));
arthursonzogni5c4c202d2017-04-25 23:41:27654 DCHECK_EQ(-1, pending_entry_index_);
[email protected]ce3fa3c2009-04-20 19:55:57655
[email protected]ce3fa3c2009-04-20 19:55:57656 needs_reload_ = true;
Bo Liucdfa4b12018-11-06 00:21:44657 needs_reload_type_ = NeedsReloadType::kRestoreSession;
Rakina Zata Amniafd3c6582021-11-30 06:19:17658 entries_.clear();
avif16f85a72015-11-13 18:25:03659 entries_.reserve(entries->size());
660 for (auto& entry : *entries)
dcheng36b6aec92015-12-26 06:16:36661 entries_.push_back(
662 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
avif16f85a72015-11-13 18:25:03663
664 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
665 // cleared out safely.
666 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57667
668 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36669 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57670}
671
toyoshim6142d96f2016-12-19 09:07:25672void NavigationControllerImpl::Reload(ReloadType reload_type,
673 bool check_for_repost) {
liaoyuke9168fba2017-03-10 19:20:28674 DCHECK_NE(ReloadType::NONE, reload_type);
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28675 NavigationEntryImpl* entry = nullptr;
[email protected]59167c22013-06-03 18:07:32676 int current_index = -1;
677
Carlos IL42b416592019-10-07 23:10:36678 if (entry_replaced_by_post_commit_error_) {
679 // If there is an entry that was replaced by a currently active post-commit
680 // error navigation, this can't be the initial navigation.
681 DCHECK(!IsInitialNavigation());
682 // If the current entry is a post commit error, we reload the entry it
683 // replaced instead. We leave the error entry in place until a commit
684 // replaces it, but the pending entry points to the original entry in the
685 // meantime. Note that NavigateToExistingPendingEntry is able to handle the
686 // case that pending_entry_ != entries_[pending_entry_index_].
687 entry = entry_replaced_by_post_commit_error_.get();
688 current_index = GetCurrentEntryIndex();
689 } else if (IsInitialNavigation() && pending_entry_) {
690 // If we are reloading the initial navigation, just use the current
691 // pending entry. Otherwise look up the current entry.
[email protected]59167c22013-06-03 18:07:32692 entry = pending_entry_;
693 // The pending entry might be in entries_ (e.g., after a Clone), so we
694 // should also update the current_index.
695 current_index = pending_entry_index_;
696 } else {
arthursonzogni69a6a1b2019-09-17 09:23:00697 DiscardNonCommittedEntries();
[email protected]59167c22013-06-03 18:07:32698 current_index = GetCurrentEntryIndex();
699 if (current_index != -1) {
creis3da03872015-02-20 21:12:32700 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32701 }
[email protected]979a4bc2013-04-24 01:27:15702 }
[email protected]241db352013-04-22 18:04:05703
[email protected]59167c22013-06-03 18:07:32704 // If we are no where, then we can't reload. TODO(darin): We should add a
705 // CanReload method.
706 if (!entry)
707 return;
708
Rakina Zata Amnif297a802022-01-18 03:53:43709 if (entry->IsInitialEntryNotForSynchronousAboutBlank()) {
710 // We should never navigate to an existing initial NavigationEntry that is
711 // the initial NavigationEntry for the initial empty document that hasn't
712 // been overridden by the synchronous about:blank commit, to preserve
713 // legacy behavior where trying to reload when the main frame is on the
714 // initial empty document won't result in a navigation. See also
715 // https://crbug.com/1277414.
716 return;
717 }
718
Takashi Toyoshimac7df3c22019-06-25 14:18:47719 // Set ReloadType for |entry|.
toyoshima63c2a62016-09-29 09:03:26720 entry->set_reload_type(reload_type);
721
Aran Gilman37d11632019-10-08 23:07:15722 if (g_check_for_repost && check_for_repost && entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30723 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07724 // they really want to do this. If they do, the dialog will call us back
725 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57726 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02727
[email protected]106a0812010-03-18 00:15:12728 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57729 delegate_->ActivateAndShowRepostFormWarningDialog();
Lei Zhang96031532019-10-10 19:05:47730 return;
initial.commit09911bf2008-07-26 23:55:29731 }
Lei Zhang96031532019-10-10 19:05:47732
733 if (!IsInitialNavigation())
734 DiscardNonCommittedEntries();
735
736 pending_entry_ = entry;
737 pending_entry_index_ = current_index;
738 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
739
Nate Chapin45f620582021-09-30 17:45:43740 // location.reload() goes through BeginNavigation, so all reloads triggered
741 // via this codepath are browser initiated.
Lei Zhang96031532019-10-10 19:05:47742 NavigateToExistingPendingEntry(reload_type,
Nate Chapin45f620582021-09-30 17:45:43743 FrameTreeNode::kFrameTreeNodeInvalidId,
744 true /* is_browser_initiated */);
initial.commit09911bf2008-07-26 23:55:29745}
746
[email protected]d202a7c2012-01-04 07:53:47747void NavigationControllerImpl::CancelPendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48748 DCHECK(pending_reload_ != ReloadType::NONE);
749 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12750}
751
[email protected]d202a7c2012-01-04 07:53:47752void NavigationControllerImpl::ContinuePendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48753 if (pending_reload_ == ReloadType::NONE) {
[email protected]106a0812010-03-18 00:15:12754 NOTREACHED();
755 } else {
toyoshim6142d96f2016-12-19 09:07:25756 Reload(pending_reload_, false);
toyoshim0df1d3a2016-09-09 09:52:48757 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12758 }
759}
760
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57761bool NavigationControllerImpl::IsInitialNavigation() {
[email protected]27ba81c2012-08-21 17:04:09762 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11763}
764
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57765bool NavigationControllerImpl::IsInitialBlankNavigation() {
Rakina Zata Amniafd3c6582021-11-30 06:19:17766 return IsInitialNavigation() && GetEntryCount() == 1 &&
767 GetLastCommittedEntry()->IsInitialEntry() &&
768 GetLastCommittedEntry()->restore_type() == RestoreType::kNotRestored;
creis10a4ab72015-10-13 17:22:40769}
770
Aran Gilman37d11632019-10-08 23:07:15771NavigationEntryImpl* NavigationControllerImpl::GetEntryWithUniqueID(
772 int nav_entry_id) const {
avi254eff02015-07-01 08:27:58773 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03774 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58775}
776
Adithya Srinivasan9b0c99c2021-08-10 15:19:45777NavigationEntryImpl*
778NavigationControllerImpl::GetEntryWithUniqueIDIncludingPending(
779 int nav_entry_id) const {
780 NavigationEntryImpl* entry = GetEntryWithUniqueID(nav_entry_id);
781 if (entry)
782 return entry;
783 return pending_entry_ && pending_entry_->GetUniqueID() == nav_entry_id
Keishi Hattori0e45c022021-11-27 09:25:52784 ? pending_entry_.get()
Adithya Srinivasan9b0c99c2021-08-10 15:19:45785 : nullptr;
786}
787
W. James MacLean1c40862c2020-04-27 21:05:57788void NavigationControllerImpl::RegisterExistingOriginToPreventOptInIsolation(
789 const url::Origin& origin) {
790 for (int i = 0; i < GetEntryCount(); i++) {
791 auto* entry = GetEntryAtIndex(i);
792 entry->RegisterExistingOriginToPreventOptInIsolation(origin);
793 }
794 if (entry_replaced_by_post_commit_error_) {
795 // It's possible we could come back to this entry if the error
796 // page/interstitial goes away.
797 entry_replaced_by_post_commit_error_
798 ->RegisterExistingOriginToPreventOptInIsolation(origin);
799 }
800 // TODO(wjmaclean): Register pending commit NavigationRequests rather than
801 // visiting pending_entry_, which lacks a committed origin. This will be done
802 // in https://chromium-review.googlesource.com/c/chromium/src/+/2136703.
803}
804
avi25764702015-06-23 15:43:37805void NavigationControllerImpl::SetPendingEntry(
dcheng9bfa5162016-04-09 01:00:57806 std::unique_ptr<NavigationEntryImpl> entry) {
arthursonzogni69a6a1b2019-09-17 09:23:00807 DiscardNonCommittedEntries();
avi25764702015-06-23 15:43:37808 pending_entry_ = entry.release();
arthursonzogni5c4c202d2017-04-25 23:41:27809 DCHECK_EQ(-1, pending_entry_index_);
[email protected]765b35502008-08-21 00:51:20810}
811
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57812NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() {
[email protected]cbab76d2008-10-13 22:42:47813 if (pending_entry_)
814 return pending_entry_;
815 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20816}
817
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57818NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() {
[email protected]59167c22013-06-03 18:07:32819 // The pending entry is safe to return for new (non-history), browser-
820 // initiated navigations. Most renderer-initiated navigations should not
821 // show the pending entry, to prevent URL spoof attacks.
822 //
823 // We make an exception for renderer-initiated navigations in new tabs, as
824 // long as no other page has tried to access the initial empty document in
825 // the new tab. If another page modifies this blank page, a URL spoof is
826 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32827 bool safe_to_show_pending =
828 pending_entry_ &&
829 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09830 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32831 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46832 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32833
834 // Also allow showing the pending entry for history navigations in a new tab,
835 // such as Ctrl+Back. In this case, no existing page is visible and no one
836 // can script the new tab before it commits.
Aran Gilman37d11632019-10-08 23:07:15837 if (!safe_to_show_pending && pending_entry_ && pending_entry_index_ != -1 &&
838 IsInitialNavigation() && !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32839 safe_to_show_pending = true;
840
841 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19842 return pending_entry_;
843 return GetLastCommittedEntry();
844}
845
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57846int NavigationControllerImpl::GetCurrentEntryIndex() {
[email protected]765b35502008-08-21 00:51:20847 if (pending_entry_index_ != -1)
848 return pending_entry_index_;
849 return last_committed_entry_index_;
850}
851
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57852NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() {
[email protected]765b35502008-08-21 00:51:20853 if (last_committed_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28854 return nullptr;
avif16f85a72015-11-13 18:25:03855 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20856}
857
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57858bool NavigationControllerImpl::CanViewSource() {
Jeremy Roman2d8dfe132021-07-06 20:51:26859 const std::string& mime_type =
860 frame_tree_.root()->current_frame_host()->GetPage().contents_mime_type();
Kinuko Yasuda74702f92017-07-31 03:27:53861 bool is_viewable_mime_type = blink::IsSupportedNonImageMimeType(mime_type) &&
862 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27863 NavigationEntry* visible_entry = GetVisibleEntry();
864 return visible_entry && !visible_entry->IsViewSourceMode() &&
Carlos ILd51e7702020-05-07 18:51:39865 is_viewable_mime_type;
[email protected]31682282010-01-15 18:05:16866}
867
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57868int NavigationControllerImpl::GetLastCommittedEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:27869 // The last committed entry index must always be less than the number of
Rakina Zata Amniafd3c6582021-11-30 06:19:17870 // entries.
arthursonzogni5c4c202d2017-04-25 23:41:27871 DCHECK_LT(last_committed_entry_index_, GetEntryCount());
[email protected]a26023822011-12-29 00:23:55872 return last_committed_entry_index_;
873}
874
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57875int NavigationControllerImpl::GetEntryCount() {
Rakina Zata Amniafd3c6582021-11-30 06:19:17876 DCHECK_GE(entries_.size(), 1u);
Carlos IL4dea8902020-05-26 15:14:29877 DCHECK_LE(entries_.size(), max_entry_count());
[email protected]a26023822011-12-29 00:23:55878 return static_cast<int>(entries_.size());
879}
880
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57881NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(int index) {
avi25764702015-06-23 15:43:37882 if (index < 0 || index >= GetEntryCount())
883 return nullptr;
884
avif16f85a72015-11-13 18:25:03885 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25886}
887
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57888NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(int offset) {
avi057ce1492015-06-29 15:59:47889 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20890}
891
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57892int NavigationControllerImpl::GetIndexForOffset(int offset) {
[email protected]7bc2b032012-12-19 22:45:46893 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03894}
895
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57896bool NavigationControllerImpl::CanGoBack() {
Shivani Sharma298d12852019-01-22 20:04:03897 for (int index = GetIndexForOffset(-1); index >= 0; index--) {
898 if (!GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
899 return true;
900 }
901 return false;
[email protected]765b35502008-08-21 00:51:20902}
903
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57904bool NavigationControllerImpl::CanGoForward() {
WangHui74286d52021-03-31 16:17:15905 for (int index = GetIndexForOffset(1); index < GetEntryCount(); index++) {
906 if (!GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
907 return true;
908 }
909 return false;
[email protected]765b35502008-08-21 00:51:20910}
911
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57912bool NavigationControllerImpl::CanGoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03913 int index = GetIndexForOffset(offset);
914 return index >= 0 && index < GetEntryCount();
915}
916
Xiaohan Wang7f8052e02022-01-14 18:44:28917#if BUILDFLAG(IS_ANDROID)
WangHui74286d52021-03-31 16:17:15918bool NavigationControllerImpl::CanGoToOffsetWithSkipping(int offset) {
WangHui74286d52021-03-31 16:17:15919 if (offset == 0)
920 return true;
921 int increment = offset > 0 ? 1 : -1;
922 int non_skippable_entries = 0;
923 for (int index = GetIndexForOffset(increment);
924 index >= 0 && index < GetEntryCount(); index += increment) {
925 if (!GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
926 non_skippable_entries++;
927
928 if (non_skippable_entries == std::abs(offset))
929 return true;
930 }
931 return false;
932}
933#endif
934
[email protected]d202a7c2012-01-04 07:53:47935void NavigationControllerImpl::GoBack() {
shivanisha55201872018-12-13 04:29:06936 int target_index = GetIndexForOffset(-1);
937
Elly Fong-Jones40ee8112021-06-23 19:10:52938 // Move the target index past the skippable entries.
Shivani Sharma298d12852019-01-22 20:04:03939 bool all_skippable_entries = true;
Elly Fong-Jones40ee8112021-06-23 19:10:52940 while (target_index >= 0) {
941 if (!GetEntryAtIndex(target_index)->should_skip_on_back_forward_ui()) {
Shivani Sharma298d12852019-01-22 20:04:03942 all_skippable_entries = false;
shivanisha55201872018-12-13 04:29:06943 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16944 }
Elly Fong-Jones40ee8112021-06-23 19:10:52945 target_index--;
shivanisha55201872018-12-13 04:29:06946 }
Miyoung Shin1c565c912021-03-17 12:11:21947
Shivani Sharma298d12852019-01-22 20:04:03948 // Do nothing if all entries are skippable. Normally this path would not
949 // happen as consumers would have already checked it in CanGoBack but a lot of
950 // tests do not do that.
Elly Fong-Jonesccc6d1f2021-06-14 18:32:42951 if (all_skippable_entries)
Shivani Sharma298d12852019-01-22 20:04:03952 return;
shivanisha55201872018-12-13 04:29:06953
shivanisha55201872018-12-13 04:29:06954 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20955}
956
[email protected]d202a7c2012-01-04 07:53:47957void NavigationControllerImpl::GoForward() {
shivanisha55201872018-12-13 04:29:06958 int target_index = GetIndexForOffset(1);
959
Shivani Sharma2d5b4b6b2019-01-08 16:07:16960 // Note that at least one entry (the last one) will be non-skippable since
961 // entries are marked skippable only when they add another entry because of
962 // redirect or pushState.
Elly Fong-Jones40ee8112021-06-23 19:10:52963 while (target_index < static_cast<int>(entries_.size())) {
964 if (!GetEntryAtIndex(target_index)->should_skip_on_back_forward_ui())
shivanisha55201872018-12-13 04:29:06965 break;
Elly Fong-Jones40ee8112021-06-23 19:10:52966 target_index++;
shivanisha55201872018-12-13 04:29:06967 }
shivanisha55201872018-12-13 04:29:06968 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20969}
970
[email protected]d202a7c2012-01-04 07:53:47971void NavigationControllerImpl::GoToIndex(int index) {
Nate Chapin45f620582021-09-30 17:45:43972 GoToIndex(index, FrameTreeNode::kFrameTreeNodeInvalidId,
973 true /* is_browser_initiated */);
Dave Tapuska8bfd84c2019-03-26 20:47:16974}
975
976void NavigationControllerImpl::GoToIndex(int index,
Nate Chapin45f620582021-09-30 17:45:43977 int sandbox_frame_tree_node_id,
978 bool is_browser_initiated) {
979 DCHECK(sandbox_frame_tree_node_id == FrameTreeNode::kFrameTreeNodeInvalidId ||
980 !is_browser_initiated);
sunjian30574a62017-03-21 21:39:44981 TRACE_EVENT0("browser,navigation,benchmark",
982 "NavigationControllerImpl::GoToIndex");
[email protected]765b35502008-08-21 00:51:20983 if (index < 0 || index >= static_cast<int>(entries_.size())) {
984 NOTREACHED();
985 return;
986 }
987
Rakina Zata Amnif297a802022-01-18 03:53:43988 if (entries_[index]->IsInitialEntryNotForSynchronousAboutBlank()) {
989 // We should never navigate to an existing initial NavigationEntry that is
990 // the initial NavigationEntry for the initial empty document that hasn't
991 // been overridden by the synchronous about:blank commit, to preserve
992 // legacy behavior where trying to reload when the main frame is on the
993 // initial empty document won't result in a navigation. See also
994 // https://crbug.com/1277414.
995 return;
996 }
997
[email protected]cbab76d2008-10-13 22:42:47998 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20999
arthursonzogni5c4c202d2017-04-25 23:41:271000 DCHECK_EQ(nullptr, pending_entry_);
1001 DCHECK_EQ(-1, pending_entry_index_);
Rakina Zata Amnif297a802022-01-18 03:53:431002
arthursonzogni5c4c202d2017-04-25 23:41:271003 pending_entry_ = entries_[index].get();
[email protected]765b35502008-08-21 00:51:201004 pending_entry_index_ = index;
arthursonzogni5c4c202d2017-04-25 23:41:271005 pending_entry_->SetTransitionType(ui::PageTransitionFromInt(
1006 pending_entry_->GetTransitionType() | ui::PAGE_TRANSITION_FORWARD_BACK));
Nate Chapin45f620582021-09-30 17:45:431007 NavigateToExistingPendingEntry(ReloadType::NONE, sandbox_frame_tree_node_id,
1008 is_browser_initiated);
[email protected]765b35502008-08-21 00:51:201009}
1010
[email protected]d202a7c2012-01-04 07:53:471011void NavigationControllerImpl::GoToOffset(int offset) {
toyoshim3af4d502016-03-30 12:38:121012 // Note: This is actually reached in unit tests.
[email protected]9ba14052012-06-22 23:50:031013 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:201014 return;
1015
[email protected]9ba14052012-06-22 23:50:031016 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:201017}
1018
Nate Chapin45f620582021-09-30 17:45:431019void NavigationControllerImpl::GoToOffsetFromRenderer(int offset) {
1020 // Note: This is actually reached in unit tests.
1021 if (!CanGoToOffset(offset))
1022 return;
1023
1024 GoToIndex(GetIndexForOffset(offset), FrameTreeNode::kFrameTreeNodeInvalidId,
1025 false /* is_browser_initiated */);
1026}
1027
Xiaohan Wang7f8052e02022-01-14 18:44:281028#if BUILDFLAG(IS_ANDROID)
WangHui74286d52021-03-31 16:17:151029void NavigationControllerImpl::GoToOffsetWithSkipping(int offset) {
1030 // Note: This is actually reached in unit tests.
1031 if (!CanGoToOffsetWithSkipping(offset))
1032 return;
1033
Elly Fong-Jonesccc6d1f2021-06-14 18:32:421034 if (offset == 0) {
WangHui74286d52021-03-31 16:17:151035 GoToIndex(GetIndexForOffset(offset));
1036 return;
1037 }
1038 int increment = offset > 0 ? 1 : -1;
1039 // Find the offset without counting skippable entries.
1040 int target_index = GetIndexForOffset(increment);
1041 int non_skippable_entries = 0;
1042 for (int index = target_index; index >= 0 && index < GetEntryCount();
1043 index += increment) {
1044 if (!GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
1045 non_skippable_entries++;
1046
1047 if (non_skippable_entries == std::abs(offset)) {
1048 target_index = index;
1049 break;
1050 }
1051 }
1052
1053 GoToIndex(target_index);
1054}
1055#endif
1056
[email protected]41374f12013-07-24 02:49:281057bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
Aran Gilman37d11632019-10-08 23:07:151058 if (index == last_committed_entry_index_ || index == pending_entry_index_)
[email protected]41374f12013-07-24 02:49:281059 return false;
[email protected]6a13a6c2011-12-20 21:47:121060
[email protected]43032342011-03-21 14:10:311061 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:281062 return true;
[email protected]cbab76d2008-10-13 22:42:471063}
1064
Michael Thiessen9b14d512019-09-23 21:19:471065void NavigationControllerImpl::PruneForwardEntries() {
1066 DiscardNonCommittedEntries();
1067 int remove_start_index = last_committed_entry_index_ + 1;
Lei Zhang96031532019-10-10 19:05:471068 int num_removed = static_cast<int>(entries_.size()) - remove_start_index;
Michael Thiessen9b14d512019-09-23 21:19:471069 if (num_removed <= 0)
1070 return;
1071 entries_.erase(entries_.begin() + remove_start_index, entries_.end());
1072 NotifyPrunedEntries(this, remove_start_index /* start index */,
1073 num_removed /* count */);
1074}
1075
Aran Gilman37d11632019-10-08 23:07:151076void NavigationControllerImpl::UpdateVirtualURLToURL(NavigationEntryImpl* entry,
1077 const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:321078 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:311079 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:511080 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
1081 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:321082 }
1083}
1084
Harkiran Bolariaba823e42021-05-21 18:30:361085base::WeakPtr<NavigationHandle> NavigationControllerImpl::LoadURL(
1086 const GURL& url,
1087 const Referrer& referrer,
1088 ui::PageTransition transition,
1089 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:471090 LoadURLParams params(url);
1091 params.referrer = referrer;
1092 params.transition_type = transition;
1093 params.extra_headers = extra_headers;
Harkiran Bolariaba823e42021-05-21 18:30:361094 return LoadURLWithParams(params);
[email protected]cf002332012-08-14 19:17:471095}
1096
Harkiran Bolariaba823e42021-05-21 18:30:361097base::WeakPtr<NavigationHandle> NavigationControllerImpl::LoadURLWithParams(
1098 const LoadURLParams& params) {
Lukasz Anforowicz435bcb582019-07-12 20:50:061099 if (params.is_renderer_initiated)
1100 DCHECK(params.initiator_origin.has_value());
1101
naskob8744d22014-08-28 17:07:431102 TRACE_EVENT1("browser,navigation",
Aran Gilman37d11632019-10-08 23:07:151103 "NavigationControllerImpl::LoadURLWithParams", "url",
1104 params.url.possibly_invalid_spec());
Ian Vollick9dda0522019-09-11 02:24:291105 bool is_explicit_navigation =
1106 GetContentClient()->browser()->IsExplicitNavigation(
1107 params.transition_type);
1108 if (HandleDebugURL(params.url, params.transition_type,
1109 is_explicit_navigation)) {
[email protected]47752982014-07-29 08:01:431110 // If Telemetry is running, allow the URL load to proceed as if it's
1111 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:491112 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:431113 cc::switches::kEnableGpuBenchmarking))
Harkiran Bolariaba823e42021-05-21 18:30:361114 return nullptr;
[email protected]47752982014-07-29 08:01:431115 }
[email protected]8bf1048012012-02-08 01:22:181116
[email protected]cf002332012-08-14 19:17:471117 // Checks based on params.load_type.
1118 switch (params.load_type) {
1119 case LOAD_TYPE_DEFAULT:
lukasza477a5a22016-06-16 18:28:431120 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:471121 break;
1122 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:261123 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:471124 NOTREACHED() << "Data load must use data scheme.";
Harkiran Bolariaba823e42021-05-21 18:30:361125 return nullptr;
[email protected]cf002332012-08-14 19:17:471126 }
1127 break;
Lukasz Anforowiczbb0cfd5e2017-12-14 22:39:461128 }
[email protected]e47ae9472011-10-13 19:48:341129
[email protected]e47ae9472011-10-13 19:48:341130 // The user initiated a load, we don't need to reload anymore.
1131 needs_reload_ = false;
1132
Harkiran Bolariaba823e42021-05-21 18:30:361133 return NavigateWithoutEntry(params);
[email protected]132e281a2012-07-31 18:32:441134}
1135
Mohamed Abdelhalim833de902019-09-16 17:41:451136bool NavigationControllerImpl::PendingEntryMatchesRequest(
1137 NavigationRequest* request) const {
creisb4dc9332016-03-14 21:39:191138 return pending_entry_ &&
Mohamed Abdelhalim833de902019-09-16 17:41:451139 pending_entry_->GetUniqueID() == request->nav_entry_id();
creisb4dc9332016-03-14 21:39:191140}
1141
[email protected]d202a7c2012-01-04 07:53:471142bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:321143 RenderFrameHostImpl* rfh,
arthursonzogni73fe3212020-11-17 13:24:071144 const mojom::DidCommitProvisionalLoadParams& params,
peary21b0f797b2016-09-28 17:28:331145 LoadCommittedDetails* details,
Eugene But712f03d2018-05-22 16:03:441146 bool is_same_document_navigation,
Nate Chapinc7019dd7d2021-06-25 18:29:251147 bool was_on_initial_empty_document,
Shivani Sharmaffb32b82019-04-09 16:58:471148 bool previous_document_was_activated,
Camille Lamy10aafcd32018-12-05 15:48:131149 NavigationRequest* navigation_request) {
1150 DCHECK(navigation_request);
Chris Bookholt27faf8d2022-01-20 01:03:331151
1152 // Note: validation checks and renderer kills due to invalid commit messages
1153 // must happen before getting here, in
1154 // RenderFrameHostImpl::ValidateDidCommitParams. By the time we get here, some
1155 // effects of the navigation have already occurred.
1156
shivanigithubf405bf0d2021-11-05 17:58:331157 if (ShouldMaintainTrivialSessionHistory(rfh->frame_tree_node()) &&
1158 GetLastCommittedEntry()) {
Takashi Toyoshimaa9f66802021-08-18 02:40:171159 // Ensure that this navigation does not add a navigation entry, since
1160 // ShouldMaintainTrivialSessionHistory() means we should not add an entry
1161 // beyond the last committed one. Therefore, `should_replace_current_entry`
1162 // should be set, which replaces the current entry, or this should be a
1163 // reload, which does not create a new entry.
1164 DCHECK(params.should_replace_current_entry ||
1165 navigation_request->GetReloadType() != ReloadType::NONE);
1166 }
[email protected]cd2e15742013-03-08 04:08:311167 is_initial_navigation_ = false;
1168
[email protected]0e8db942008-09-24 21:21:481169 // Save the previous state before we clobber it.
aelias100c9192017-01-13 00:01:431170 bool overriding_user_agent_changed = false;
[email protected]0e8db942008-09-24 21:21:481171 if (GetLastCommittedEntry()) {
Carlos IL42b416592019-10-07 23:10:361172 if (entry_replaced_by_post_commit_error_) {
Chris Bookholt27faf8d2022-01-20 01:03:331173 // Same document navigation events with a post-commit error should already
1174 // be blocked by RenderFrameHostImpl::ValidateDidCommitParams() before
1175 // reaching here.
1176 CHECK(!is_same_document_navigation);
1177
Carlos IL42b416592019-10-07 23:10:361178 // Any commit while a post-commit error page is showing should put the
1179 // original entry back, replacing the error page's entry. This includes
1180 // reloads, where the original entry was used as the pending entry and
1181 // should now be at the correct index at commit time.
1182 entries_[last_committed_entry_index_] =
1183 std::move(entry_replaced_by_post_commit_error_);
1184 }
Fergal Daly8e33cf62020-12-12 01:06:071185 details->previous_main_frame_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:551186 details->previous_entry_index = GetLastCommittedEntryIndex();
aelias100c9192017-01-13 00:01:431187 if (pending_entry_ &&
1188 pending_entry_->GetIsOverridingUserAgent() !=
1189 GetLastCommittedEntry()->GetIsOverridingUserAgent())
1190 overriding_user_agent_changed = true;
Xiaohan Wang7f8052e02022-01-14 18:44:281191#if BUILDFLAG(IS_ANDROID)
Shu Yang5756fa422021-11-05 23:02:541192 // TODO(crbug.com/1266277): Clean up the logic of setting
1193 // |overriding_user_agent_changed| post-launch.
Shu Yang9eabbb902021-11-17 00:45:031194 if (base::FeatureList::IsEnabled(features::kRequestDesktopSiteExceptions)) {
Shu Yang5756fa422021-11-05 23:02:541195 // Must honor user agent overrides in the |navigation_request|, such as
1196 // from things like RequestDesktopSiteWebContentsObserverAndroid. As a
1197 // result, besides comparing |pending_entry_|'s user agent against
1198 // LastCommittedEntry's, also need to compare |navigation_request|'s user
1199 // agent against LastCommittedEntry's.
1200 if (navigation_request->is_overriding_user_agent() !=
1201 GetLastCommittedEntry()->GetIsOverridingUserAgent()) {
1202 overriding_user_agent_changed = true;
1203 }
1204 }
Xiaohan Wang7f8052e02022-01-14 18:44:281205#endif // BUILDFLAG(IS_ANDROID)
[email protected]0e8db942008-09-24 21:21:481206 } else {
Gang Wu325f03f42021-02-25 20:00:461207 // GetLastCommittedEntry() is null, so this is the first entry.
Fergal Daly8e33cf62020-12-12 01:06:071208 details->previous_main_frame_url = GURL();
[email protected]0e8db942008-09-24 21:21:481209 details->previous_entry_index = -1;
Gang Wu325f03f42021-02-25 20:00:461210 if (pending_entry_ && pending_entry_->GetIsOverridingUserAgent()) {
1211 // Default setting is NOT override the user agent, so overriding the user
1212 // agent in first entry should be considered as user agent changed as
1213 // well.
1214 overriding_user_agent_changed = true;
1215 }
Xiaohan Wang7f8052e02022-01-14 18:44:281216#if BUILDFLAG(IS_ANDROID)
Shu Yang5756fa422021-11-05 23:02:541217 // TODO(crbug.com/1266277): Clean up the logic of setting
1218 // |overriding_user_agent_changed| post-launch.
Shu Yang9eabbb902021-11-17 00:45:031219 if (base::FeatureList::IsEnabled(features::kRequestDesktopSiteExceptions)) {
Shu Yang5756fa422021-11-05 23:02:541220 // Must honor user agent overrides in the |navigation_request|, such as
1221 // from things like RequestDesktopSiteWebContentsObserverAndroid. As a
1222 // result, besides checking |pending_entry_|'s user agent, also need to
1223 // check |navigation_request|'s.
1224 if (navigation_request->is_overriding_user_agent()) {
1225 overriding_user_agent_changed = true;
1226 }
1227 }
Xiaohan Wang7f8052e02022-01-14 18:44:281228#endif // BUILDFLAG(IS_ANDROID)
[email protected]0e8db942008-09-24 21:21:481229 }
[email protected]ecd9d8702008-08-28 22:10:171230
Dave Tapuskaa2ab4f252021-07-08 21:31:281231 bool is_main_frame_navigation = !rfh->GetParent();
1232
Alexander Timind2f2e4f22019-04-02 20:04:531233 // TODO(altimin, crbug.com/933147): Remove this logic after we are done with
1234 // implementing back-forward cache.
Dave Tapuskaa2ab4f252021-07-08 21:31:281235 // For primary frame tree navigations, choose an appropriate
1236 // BackForwardCacheMetrics to be associated with the NavigationEntry, by
1237 // either creating a new object or reusing the previous one depending on
1238 // whether it's a main frame navigation or not.
1239 scoped_refptr<BackForwardCacheMetrics> back_forward_cache_metrics;
1240 if (navigation_request->frame_tree_node()->frame_tree()->type() ==
1241 FrameTree::Type::kPrimary) {
1242 back_forward_cache_metrics =
1243 BackForwardCacheMetrics::CreateOrReuseBackForwardCacheMetrics(
1244 GetLastCommittedEntry(), is_main_frame_navigation,
1245 params.document_sequence_number);
1246 }
Alexander Timind2f2e4f22019-04-02 20:04:531247 // Notify the last active entry that we have navigated away.
Dave Tapuskaa2ab4f252021-07-08 21:31:281248 if (is_main_frame_navigation && !is_same_document_navigation) {
Alexander Timind2f2e4f22019-04-02 20:04:531249 if (NavigationEntryImpl* navigation_entry = GetLastCommittedEntry()) {
1250 if (auto* metrics = navigation_entry->back_forward_cache_metrics()) {
Hajime Hoshic7606502021-04-14 02:42:161251 metrics->MainFrameDidNavigateAwayFromDocument(rfh, navigation_request);
Alexander Timind2f2e4f22019-04-02 20:04:531252 }
1253 }
1254 }
1255
fdegans9caf66a2015-07-30 21:10:421256 // If there is a pending entry at this point, it should have a SiteInstance,
1257 // except for restored entries.
jam48cea9082017-02-15 06:13:291258 bool was_restored = false;
toyoshim0df1d3a2016-09-09 09:52:481259 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance() ||
Lukasz Anforowicz6b75c0d2020-12-01 22:56:081260 pending_entry_->IsRestored());
1261 if (pending_entry_ && pending_entry_->IsRestored()) {
Lukasz Anforowicz0de0f452020-12-02 19:57:151262 pending_entry_->set_restore_type(RestoreType::kNotRestored);
jam48cea9082017-02-15 06:13:291263 was_restored = true;
toyoshim0df1d3a2016-09-09 09:52:481264 }
[email protected]e9ba4472008-09-14 15:42:431265
Nasko Oskovaee2f862018-06-15 00:05:521266 // If this is a navigation to a matching pending_entry_ and the SiteInstance
1267 // has changed, this must be treated as a new navigation with replacement.
1268 // Set the replacement bit here and ClassifyNavigation will identify this
Charlie Reisc0f17d2d2021-01-12 18:52:491269 // case and return NEW_ENTRY.
Nasko Oskovaee2f862018-06-15 00:05:521270 if (!rfh->GetParent() && pending_entry_ &&
Rakina Zata Amnif6950d552020-11-24 03:26:101271 pending_entry_->GetUniqueID() ==
1272 navigation_request->commit_params().nav_entry_id &&
Nasko Oskovaee2f862018-06-15 00:05:521273 pending_entry_->site_instance() &&
1274 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
1275 DCHECK_NE(-1, pending_entry_index_);
1276 // TODO(nasko,creis): Instead of setting this value here, set
1277 // should_replace_current_entry on the parameters we send to the
1278 // renderer process as part of CommitNavigation. The renderer should
1279 // in turn send it back here as part of |params| and it can be just
1280 // enforced and renderer process terminated on mismatch.
1281 details->did_replace_entry = true;
1282 } else {
1283 // The renderer tells us whether the navigation replaces the current entry.
1284 details->did_replace_entry = params.should_replace_current_entry;
1285 }
[email protected]bcd904482012-02-01 01:54:221286
[email protected]e9ba4472008-09-14 15:42:431287 // Do navigation-type specific actions. These will make and commit an entry.
Rakina Zata Amnia4e27222021-12-22 01:05:001288 details->type = ClassifyNavigation(rfh, params, navigation_request, details);
Rakina Zata Amniddf10502022-01-15 02:56:551289 if (GetLastCommittedEntry()->IsInitialEntry()) {
1290 if (rfh->GetParent()) {
1291 // Subframe navigation on initial NavigationEntry must not append a new
1292 // NavigationEntry (i.e. should not be classified as NEW_SUBFRAME). This
1293 // means every subframe navigation that happens while we're on the initial
1294 // NavigationEntry will always reuse the existing NavigationEntry and
1295 // just update the corresponding FrameNavigationEntry.
1296 DCHECK_EQ(details->type, NAVIGATION_TYPE_AUTO_SUBFRAME);
1297 } else if (details->type == NAVIGATION_TYPE_MAIN_FRAME_EXISTING_ENTRY) {
1298 // This is a navigation that modifies the initial NavigationEntry, either
1299 // for a replacement or a reload. The initial NavigationEntry should
1300 // retain its "initial NavigationEntry" status in this case.
1301 details->should_stay_as_initial_entry = true;
1302 }
1303 }
1304 DCHECK(!details->should_stay_as_initial_entry ||
1305 GetLastCommittedEntry()->IsInitialEntry());
[email protected]4bf3522c2010-08-19 21:00:201306
eugenebutee08663a2017-04-27 17:43:121307 // is_same_document must be computed before the entry gets committed.
Eugene But712f03d2018-05-22 16:03:441308 details->is_same_document = is_same_document_navigation;
[email protected]b9d4dfdc2013-08-08 00:25:121309
Lucas Furukawa Gadanie3f7e792021-04-22 17:56:071310 details->is_prerender_activation =
1311 navigation_request->IsPrerenderedPageActivation();
1312
Peter Boströmd7592132019-01-30 04:50:311313 // Make sure we do not discard the pending entry for a different ongoing
1314 // navigation when a same document commit comes in unexpectedly from the
1315 // renderer. Limit this to a very narrow set of conditions to avoid risks to
1316 // other navigation types. See https://crbug.com/900036.
1317 // TODO(crbug.com/926009): Handle history.pushState() as well.
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061318 bool keep_pending_entry =
1319 is_same_document_navigation &&
1320 details->type == NAVIGATION_TYPE_MAIN_FRAME_EXISTING_ENTRY &&
1321 pending_entry_ && !PendingEntryMatchesRequest(navigation_request);
Peter Boströmd7592132019-01-30 04:50:311322
[email protected]0e8db942008-09-24 21:21:481323 switch (details->type) {
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061324 case NAVIGATION_TYPE_MAIN_FRAME_NEW_ENTRY:
Charlie Reisc0f17d2d2021-01-12 18:52:491325 RendererDidNavigateToNewEntry(
shivanisha41f04c52018-12-12 15:52:051326 rfh, params, details->is_same_document, details->did_replace_entry,
Rakina Zata Amnia4e27222021-12-22 01:05:001327 previous_document_was_activated, navigation_request, details);
[email protected]e9ba4472008-09-14 15:42:431328 break;
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061329 case NAVIGATION_TYPE_MAIN_FRAME_EXISTING_ENTRY:
Charlie Reisc0f17d2d2021-01-12 18:52:491330 RendererDidNavigateToExistingEntry(rfh, params, details->is_same_document,
1331 was_restored, navigation_request,
Rakina Zata Amnia4e27222021-12-22 01:05:001332 keep_pending_entry, details);
[email protected]e9ba4472008-09-14 15:42:431333 break;
[email protected]8ff00d72012-10-23 19:12:211334 case NAVIGATION_TYPE_NEW_SUBFRAME:
Shivani Sharmaffb32b82019-04-09 16:58:471335 RendererDidNavigateNewSubframe(
1336 rfh, params, details->is_same_document, details->did_replace_entry,
Rakina Zata Amnia4e27222021-12-22 01:05:001337 previous_document_was_activated, navigation_request, details);
[email protected]e9ba4472008-09-14 15:42:431338 break;
[email protected]8ff00d72012-10-23 19:12:211339 case NAVIGATION_TYPE_AUTO_SUBFRAME:
Antonio Sartori78a749f2020-11-30 12:03:391340 if (!RendererDidNavigateAutoSubframe(
Nate Chapinc7019dd7d2021-06-25 18:29:251341 rfh, params, details->is_same_document,
Rakina Zata Amnia4e27222021-12-22 01:05:001342 was_on_initial_empty_document, navigation_request, details)) {
creisce0ef3572017-01-26 17:53:081343 // We don't send a notification about auto-subframe PageState during
1344 // UpdateStateForFrame, since it looks like nothing has changed. Send
1345 // it here at commit time instead.
1346 NotifyEntryChanged(GetLastCommittedEntry());
[email protected]e9ba4472008-09-14 15:42:431347 return false;
creis59d5a47cb2016-08-24 23:57:191348 }
[email protected]e9ba4472008-09-14 15:42:431349 break;
Aran Gilman37d11632019-10-08 23:07:151350 case NAVIGATION_TYPE_UNKNOWN:
[email protected]e9ba4472008-09-14 15:42:431351 NOTREACHED();
Aran Gilman37d11632019-10-08 23:07:151352 break;
[email protected]765b35502008-08-21 00:51:201353 }
1354
[email protected]688aa65c62012-09-28 04:32:221355 // At this point, we know that the navigation has just completed, so
1356 // record the time.
1357 //
1358 // TODO(akalin): Use "sane time" as described in
Adam Langley4463fb832018-01-28 22:42:261359 // https://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:331360 base::Time timestamp =
1361 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
1362 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
danakjf26536bf2020-09-10 00:46:131363 << timestamp.ToDeltaSinceWindowsEpoch().InMicroseconds();
[email protected]688aa65c62012-09-28 04:32:221364
Peter Boströmd7592132019-01-30 04:50:311365 // If we aren't keeping the pending entry, there shouldn't be one at this
1366 // point. Clear it again in case any error cases above forgot to do so.
1367 // TODO(pbos): Consider a CHECK here that verifies that the pending entry has
1368 // been cleared instead of protecting against it.
1369 if (!keep_pending_entry)
Rakina Zata Amniddf10502022-01-15 02:56:551370 DiscardNonCommittedEntriesWithCommitDetails(details);
[email protected]f233e4232013-02-23 00:55:141371
[email protected]e9ba4472008-09-14 15:42:431372 // All committed entries should have nonempty content state so WebKit doesn't
1373 // get confused when we go back to them (see the function for details).
creis0cade2e2017-02-28 06:37:471374 DCHECK(params.page_state.IsValid()) << "Shouldn't see an empty PageState.";
creis3da03872015-02-20 21:12:321375 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:221376 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:441377 active_entry->SetHttpStatusCode(params.http_status_code);
Alexander Timind2f2e4f22019-04-02 20:04:531378 // TODO(altimin, crbug.com/933147): Remove this logic after we are done with
1379 // implementing back-forward cache.
Dave Tapuskaa2ab4f252021-07-08 21:31:281380 if (back_forward_cache_metrics &&
1381 !active_entry->back_forward_cache_metrics()) {
Alexander Timind2f2e4f22019-04-02 20:04:531382 active_entry->set_back_forward_cache_metrics(
1383 std::move(back_forward_cache_metrics));
1384 }
Dave Tapuskaa2ab4f252021-07-08 21:31:281385
1386 // `back_forward_cache_metrics()` may return null as we do not record
1387 // back-forward cache metrics for navigations in non-primary frame trees.
1388 if (active_entry->back_forward_cache_metrics()) {
1389 active_entry->back_forward_cache_metrics()->DidCommitNavigation(
1390 navigation_request,
1391 back_forward_cache_.IsAllowed(navigation_request->GetURL()));
1392 }
naskoc7533512016-05-06 17:01:121393
Charles Reisc0507202017-09-21 00:40:021394 // Grab the corresponding FrameNavigationEntry for a few updates, but only if
1395 // the SiteInstance matches (to avoid updating the wrong entry by mistake).
1396 // A mismatch can occur if the renderer lies or due to a unique name collision
1397 // after a race with an OOPIF (see https://crbug.com/616820).
naskoc7533512016-05-06 17:01:121398 FrameNavigationEntry* frame_entry =
1399 active_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisc0507202017-09-21 00:40:021400 if (frame_entry && frame_entry->site_instance() != rfh->GetSiteInstance())
1401 frame_entry = nullptr;
Charles Reisf44482022017-10-13 21:15:031402 // Make sure we've updated the PageState in one of the helper methods.
creisce0ef3572017-01-26 17:53:081403 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
1404 if (frame_entry) {
Charles Reisf44482022017-10-13 21:15:031405 DCHECK(params.page_state == frame_entry->page_state());
Nasko Oskovbbcfc0002019-11-20 20:03:201406
1407 // Remember the bindings the renderer process has at this point, so that
1408 // we do not grant this entry additional bindings if we come back to it.
1409 frame_entry->SetBindings(rfh->GetEnabledBindings());
creis4e2ecb72015-06-20 00:46:301410 }
[email protected]132e281a2012-07-31 18:32:441411
[email protected]97d8f0d2013-10-29 16:49:211412 // Once it is committed, we no longer need to track several pieces of state on
1413 // the entry.
naskoc7533512016-05-06 17:01:121414 active_entry->ResetForCommit(frame_entry);
[email protected]60d6cca2013-04-30 08:47:131415
[email protected]49bd30e62011-03-22 20:12:591416 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:221417 // TODO(creis): This check won't pass for subframes until we create entries
1418 // for subframe navigations.
avi39c1edd32015-06-04 20:06:001419 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:421420 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:591421
[email protected]e9ba4472008-09-14 15:42:431422 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:001423 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:001424 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:311425 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:531426
arthursonzogni7ddc6542021-04-09 09:16:501427 active_entry->SetIsOverridingUserAgent(
1428 navigation_request->is_overriding_user_agent());
Scott Violetc36f7462020-05-06 23:13:031429
[email protected]93f230e02011-06-01 14:40:001430 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:291431
aelias100c9192017-01-13 00:01:431432 if (overriding_user_agent_changed)
1433 delegate_->UpdateOverridingUserAgent();
1434
creis03b48002015-11-04 00:54:561435 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
1436 // one knows the latest NavigationEntry it is showing (whether it has
1437 // committed anything in this navigation or not). This allows things like
1438 // state and title updates from RenderFrames to apply to the latest relevant
1439 // NavigationEntry.
dcheng57e39e22016-01-21 00:25:381440 int nav_entry_id = active_entry->GetUniqueID();
Carlos Caballero40b0efd2021-01-26 11:55:001441 for (FrameTreeNode* node : frame_tree_.Nodes())
dcheng57e39e22016-01-21 00:25:381442 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
Hayato Ito2c8c08d02021-06-23 03:38:431443
1444 if (navigation_request->IsPrerenderedPageActivation()) {
1445 BroadcastHistoryOffsetAndLength();
1446 // TODO(crbug.com/1222893): Broadcasting happens after the prerendered page
1447 // is activated. As a result, a "prerenderingchange" event listener sees the
1448 // history.length which is not updated yet. We should guarantee that
1449 // history's length and offset should be updated before a
1450 // "prerenderingchange" event listener runs. One possible approach is to use
1451 // the same IPC which "prerenderingchange" uses, and propagate history's
1452 // length and offset together with that.
1453 }
1454
[email protected]e9ba4472008-09-14 15:42:431455 return true;
initial.commit09911bf2008-07-26 23:55:291456}
1457
[email protected]8ff00d72012-10-23 19:12:211458NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:321459 RenderFrameHostImpl* rfh,
Rakina Zata Amnif6950d552020-11-24 03:26:101460 const mojom::DidCommitProvisionalLoadParams& params,
Rakina Zata Amnia4e27222021-12-22 01:05:001461 NavigationRequest* navigation_request,
1462 LoadCommittedDetails* details) {
1463 if (GetLastCommittedEntry()->IsInitialEntry() &&
1464 navigation_request->is_synchronous_renderer_commit() &&
1465 !navigation_request->IsSameDocument() && !rfh->GetParent() &&
1466 params.should_replace_current_entry) {
Rakina Zata Amniddf10502022-01-15 02:56:551467 // This is a synchronous about:blank navigation on the main frame, which
1468 // used to not create a NavigationEntry when we have no NavigationEntry on
1469 // FrameTree creation. We now have the initial NavigationEntry and are on
1470 // the initial NavigationEntry. To preserve old behavior, we should still
1471 // keep the "initial" status for the new NavigationEntry that we will create
1472 // for this navigation, so that subframe navigations under the synchronously
1473 // committed about:blank document will never append new NavigationEntry, and
1474 // instead will just reuse the initial NavigationEntry and modify the
1475 // corresponding FrameNavigationEntries. See also https://crbug.com/1277414.
1476 details->should_stay_as_initial_entry = true;
Rakina Zata Amnia4e27222021-12-22 01:05:001477 }
1478
Piotr Tworekbad51282020-09-30 19:17:591479 TraceReturnReason<tracing_category::kNavigation> trace_return(
Nasko Oskovae49e292020-08-13 02:08:511480 "ClassifyNavigation");
Rakina Zata Amniafd3c6582021-11-30 06:19:171481 DCHECK(GetLastCommittedEntry());
Rakina Zata Amniddf10502022-01-15 02:56:551482 if (rfh->GetParent() && GetLastCommittedEntry()->IsInitialEntry()) {
Rakina Zata Amnia4e27222021-12-22 01:05:001483 // This is a subframe navigation on the initial empty document, which used
Rakina Zata Amniddf10502022-01-15 02:56:551484 // to not have a NavigationEntry to attach to. Now it can attach to the
1485 // initial NavigationEntry, and we must ensure that its NavigationEntry will
1486 // keep the "initial NavigationEntry" status and won't append a new
1487 // NavigationEntry (it should always do replacement instead).
Rakina Zata Amnia4e27222021-12-22 01:05:001488 // See also https://crbug.com/1277414.
Rakina Zata Amniddf10502022-01-15 02:56:551489 details->should_stay_as_initial_entry = true;
Rakina Zata Amnia4e27222021-12-22 01:05:001490 }
Nasko Oskovae49e292020-08-13 02:08:511491
avi7c6f35e2015-05-08 17:52:381492 if (params.did_create_new_entry) {
Rakina Zata Amniafd3c6582021-11-30 06:19:171493 // A new entry for either the main frame or a subframe.
avi39c1edd32015-06-04 20:06:001494 if (!rfh->GetParent()) {
Charlie Reisc0f17d2d2021-01-12 18:52:491495 trace_return.set_return_reason("new entry, no parent, new entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061496 return NAVIGATION_TYPE_MAIN_FRAME_NEW_ENTRY;
avi7c6f35e2015-05-08 17:52:381497 }
1498
Rakina Zata Amniafd3c6582021-11-30 06:19:171499 // Subframe navigation.
Nasko Oskovae49e292020-08-13 02:08:511500 trace_return.set_return_reason("new entry, new subframe");
avi7c6f35e2015-05-08 17:52:381501 return NAVIGATION_TYPE_NEW_SUBFRAME;
1502 }
1503
Charlie Reisc0f17d2d2021-01-12 18:52:491504 // We only clear the session history in tests when navigating to a new entry.
avi7c6f35e2015-05-08 17:52:381505 DCHECK(!params.history_list_was_cleared);
1506
avi39c1edd32015-06-04 20:06:001507 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381508 // All manual subframes would be did_create_new_entry and handled above, so
1509 // we know this is auto.
Rakina Zata Amniafd3c6582021-11-30 06:19:171510 trace_return.set_return_reason("subframe, last commmited, auto subframe");
1511 return NAVIGATION_TYPE_AUTO_SUBFRAME;
avi7c6f35e2015-05-08 17:52:381512 }
1513
Rakina Zata Amnif6950d552020-11-24 03:26:101514 const int nav_entry_id = navigation_request->commit_params().nav_entry_id;
1515 if (nav_entry_id == 0) {
avi7c6f35e2015-05-08 17:52:381516 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1517 // create a new page.
1518
Hayato Ito2ae49442021-07-02 02:59:251519 // This main frame navigation is not a history navigation (since
1520 // nav_entry_id is 0), but didn't create a new entry. So this must be a
1521 // reload or a replacement navigation, which will modify the existing entry.
1522 //
Nasko Oskov332593c2018-08-16 17:21:341523 // TODO(nasko): With error page isolation, reloading an existing session
1524 // history entry can result in change of SiteInstance. Check for such a case
Charlie Reisc0f17d2d2021-01-12 18:52:491525 // here and classify it as NEW_ENTRY, as such navigations should be treated
Nasko Oskov332593c2018-08-16 17:21:341526 // as new with replacement.
Nasko Oskovae49e292020-08-13 02:08:511527 trace_return.set_return_reason(
Charlie Reisc0f17d2d2021-01-12 18:52:491528 "nav entry 0, last committed, existing entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061529 return NAVIGATION_TYPE_MAIN_FRAME_EXISTING_ENTRY;
avi7c6f35e2015-05-08 17:52:381530 }
1531
Rakina Zata Amnif6950d552020-11-24 03:26:101532 if (pending_entry_ && pending_entry_->GetUniqueID() == nav_entry_id) {
Nasko Oskovaee2f862018-06-15 00:05:521533 // If the SiteInstance of the |pending_entry_| does not match the
1534 // SiteInstance that got committed, treat this as a new navigation with
1535 // replacement. This can happen if back/forward/reload encounters a server
1536 // redirect to a different site or an isolated error page gets successfully
1537 // reloaded into a different SiteInstance.
1538 if (pending_entry_->site_instance() &&
1539 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
Charlie Reisc0f17d2d2021-01-12 18:52:491540 trace_return.set_return_reason("pending matching nav entry, new entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061541 return NAVIGATION_TYPE_MAIN_FRAME_NEW_ENTRY;
Nasko Oskovaee2f862018-06-15 00:05:521542 }
creis77c9aa32015-09-25 19:59:421543
Nasko Oskovaee2f862018-06-15 00:05:521544 if (pending_entry_index_ == -1) {
1545 // In this case, we have a pending entry for a load of a new URL but Blink
1546 // didn't do a new navigation (params.did_create_new_entry). First check
1547 // to make sure Blink didn't treat a new cross-process navigation as
1548 // inert, and thus set params.did_create_new_entry to false. In that case,
Charlie Reis7e2cb6d2021-01-26 01:27:161549 // we must treat it as NEW rather than the converted reload case below,
1550 // since the new SiteInstance doesn't match the last committed entry.
Nasko Oskovaee2f862018-06-15 00:05:521551 if (!GetLastCommittedEntry() ||
1552 GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance()) {
Charlie Reis7e2cb6d2021-01-26 01:27:161553 trace_return.set_return_reason("new pending, new entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061554 return NAVIGATION_TYPE_MAIN_FRAME_NEW_ENTRY;
Nasko Oskovaee2f862018-06-15 00:05:521555 }
1556
1557 // Otherwise, this happens when you press enter in the URL bar to reload.
Charlie Reis7e2cb6d2021-01-26 01:27:161558 // We will create a pending entry, but NavigateWithoutEntry will convert
1559 // it to a reload since it's the same page and not create a new entry for
1560 // it. (The user doesn't want to have a new back/forward entry when they
1561 // do this.) Therefore we want to just ignore the pending entry and go
1562 // back to where we were (the "existing entry").
1563 trace_return.set_return_reason("new pending, existing (same) entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061564 return NAVIGATION_TYPE_MAIN_FRAME_EXISTING_ENTRY;
Nasko Oskovaee2f862018-06-15 00:05:521565 }
avi7c6f35e2015-05-08 17:52:381566 }
1567
creis26d22632017-04-21 20:23:561568 // Everything below here is assumed to be an existing entry, but if there is
1569 // no last committed entry, we must consider it a new navigation instead.
Nasko Oskovae49e292020-08-13 02:08:511570 if (!GetLastCommittedEntry()) {
Charlie Reisc0f17d2d2021-01-12 18:52:491571 trace_return.set_return_reason("no last committed, new entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061572 return NAVIGATION_TYPE_MAIN_FRAME_NEW_ENTRY;
Nasko Oskovae49e292020-08-13 02:08:511573 }
creis26d22632017-04-21 20:23:561574
Rakina Zata Amni153d5702021-09-13 22:48:001575 if (navigation_request->commit_params().intended_as_new_entry) {
avi7c6f35e2015-05-08 17:52:381576 // This was intended to be a navigation to a new entry but the pending entry
Charlie Reisc0f17d2d2021-01-12 18:52:491577 // got cleared in the meanwhile. Classify as EXISTING_ENTRY because we may
1578 // or may not have a pending entry.
Charlie Reis7e2cb6d2021-01-26 01:27:161579 trace_return.set_return_reason("intended as new entry, existing entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061580 return NAVIGATION_TYPE_MAIN_FRAME_EXISTING_ENTRY;
avi7c6f35e2015-05-08 17:52:381581 }
1582
Rakina Zata Amni3a1c0ec2021-04-15 03:35:121583 if (navigation_request->DidEncounterError() &&
1584 failed_pending_entry_id_ != 0 &&
Rakina Zata Amnif6950d552020-11-24 03:26:101585 nav_entry_id == failed_pending_entry_id_) {
avi7c6f35e2015-05-08 17:52:381586 // If the renderer was going to a new pending entry that got cleared because
1587 // of an error, this is the case of the user trying to retry a failed load
Charlie Reisc0f17d2d2021-01-12 18:52:491588 // by pressing return. Classify as EXISTING_ENTRY because we probably don't
avi7c6f35e2015-05-08 17:52:381589 // have a pending entry.
Nasko Oskovae49e292020-08-13 02:08:511590 trace_return.set_return_reason(
Charlie Reisc0f17d2d2021-01-12 18:52:491591 "unreachable, matching pending, existing entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061592 return NAVIGATION_TYPE_MAIN_FRAME_EXISTING_ENTRY;
avi7c6f35e2015-05-08 17:52:381593 }
1594
Charlie Reisc0f17d2d2021-01-12 18:52:491595 // Now we know that the notification is for an existing entry; find it.
Rakina Zata Amnif6950d552020-11-24 03:26:101596 int existing_entry_index = GetEntryIndexWithUniqueID(nav_entry_id);
Nasko Oskovae49e292020-08-13 02:08:511597 trace_return.traced_value()->SetInteger("existing_entry_index",
1598 existing_entry_index);
avi7c6f35e2015-05-08 17:52:381599 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441600 // The renderer has committed a navigation to an entry that no longer
1601 // exists. Because the renderer is showing that page, resurrect that entry.
Charlie Reisc0f17d2d2021-01-12 18:52:491602 trace_return.set_return_reason("existing entry -1, new entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061603 return NAVIGATION_TYPE_MAIN_FRAME_NEW_ENTRY;
avi7c6f35e2015-05-08 17:52:381604 }
1605
avi7c6f35e2015-05-08 17:52:381606 // Since we weeded out "new" navigations above, we know this is an existing
1607 // (back/forward) navigation.
Charlie Reisc0f17d2d2021-01-12 18:52:491608 trace_return.set_return_reason("default return, existing entry");
Yoshisato Yanagisawa2ccba602021-11-17 08:24:061609 return NAVIGATION_TYPE_MAIN_FRAME_EXISTING_ENTRY;
avi7c6f35e2015-05-08 17:52:381610}
1611
Rakina Zata Amni3460d382021-10-29 00:43:371612void NavigationControllerImpl::UpdateNavigationEntryDetails(
1613 NavigationEntryImpl* entry,
1614 RenderFrameHostImpl* rfh,
1615 const mojom::DidCommitProvisionalLoadParams& params,
1616 NavigationRequest* request,
1617 NavigationEntryImpl::UpdatePolicy update_policy,
Rakina Zata Amnia4e27222021-12-22 01:05:001618 bool is_new_entry,
1619 LoadCommittedDetails* commit_details) {
Rakina Zata Amni3460d382021-10-29 00:43:371620 // Update the FrameNavigationEntry.
Rakina Zata Amniafd3c6582021-11-30 06:19:171621 std::vector<GURL> redirects;
Rakina Zata Amni3460d382021-10-29 00:43:371622 entry->AddOrUpdateFrameEntry(
1623 rfh->frame_tree_node(), update_policy, params.item_sequence_number,
1624 params.document_sequence_number, params.app_history_key,
1625 rfh->GetSiteInstance(), nullptr, params.url,
1626 GetCommittedOriginForFrameEntry(params, request),
Rakina Zata Amniafd3c6582021-11-30 06:19:171627 Referrer(*params.referrer),
1628 request ? request->common_params().initiator_origin : params.origin,
1629 request ? request->GetRedirectChain() : redirects, params.page_state,
1630 params.method, params.post_id, nullptr /* blob_url_loader_factory */,
1631 (request && request->web_bundle_navigation_info())
Rakina Zata Amni3460d382021-10-29 00:43:371632 ? request->web_bundle_navigation_info()->Clone()
1633 : nullptr,
Rakina Zata Amniafd3c6582021-11-30 06:19:171634 (request ? request->GetSubresourceWebBundleNavigationInfo() : nullptr),
Rakina Zata Amni3460d382021-10-29 00:43:371635 ComputePolicyContainerPoliciesForFrameEntry(
Rakina Zata Amniafd3c6582021-11-30 06:19:171636 rfh, request && request->IsSameDocument(),
1637 request ? request->common_params().url : params.url));
Rakina Zata Amni3460d382021-10-29 00:43:371638
1639 if (rfh->GetParent()) {
1640 // Only modify the NavigationEntry for main frame navigations.
1641 return;
1642 }
1643 if (entry->update_virtual_url_with_url())
1644 UpdateVirtualURLToURL(entry, params.url);
1645 // Don't use the page type from the pending entry. Some interstitial page
1646 // may have set the type to interstitial. Once we commit, however, the page
1647 // type must always be normal or error.
Rakina Zata Amniafd3c6582021-11-30 06:19:171648 entry->set_page_type((request && request->DidEncounterError())
1649 ? PAGE_TYPE_ERROR
1650 : PAGE_TYPE_NORMAL);
Rakina Zata Amnif297a802022-01-18 03:53:431651 if (commit_details && commit_details->should_stay_as_initial_entry) {
1652 // Retain the "initial NavigationEntry" status.
1653 if (request->IsSameDocument()) {
1654 // If this is for a same-document navigation, the NavigationEntry must be
1655 // reused and should already be marked as the initial NavigationEntry.
1656 DCHECK(entry->IsInitialEntry());
1657 } else {
1658 // If this is for a cross-document navigation, it can be caused by a
1659 // renderer-initiated reload, or the synchronous about:blank commit. Mark
1660 // "for synchronous about:blank" in the latter case, and also when it is
1661 // reloading a "for synchronous about:blank" entry. Otherwise, the entry
1662 // is not for a synchronous about:blank commit.
1663 NavigationEntryImpl::InitialNavigationEntryState new_state =
1664 NavigationEntryImpl::InitialNavigationEntryState::
1665 kInitialNotForSynchronousAboutBlank;
1666 if (entry->IsInitialEntryForSynchronousAboutBlank() ||
1667 request->is_synchronous_renderer_commit()) {
1668 new_state = NavigationEntryImpl::InitialNavigationEntryState::
1669 kInitialForSynchronousAboutBlank;
1670 }
1671 entry->set_initial_navigation_entry_state(new_state);
1672 }
1673 } else if (commit_details && !commit_details->should_stay_as_initial_entry) {
1674 // Remove the "initial NavigationEntry" status.
1675 entry->set_initial_navigation_entry_state(
1676 NavigationEntryImpl::InitialNavigationEntryState::kNonInitial);
Rakina Zata Amnia4e27222021-12-22 01:05:001677 }
Rakina Zata Amniddf10502022-01-15 02:56:551678
Rakina Zata Amni3460d382021-10-29 00:43:371679 if (is_new_entry) {
1680 // Some properties of the NavigationEntry are only set when the entry is
1681 // new (we aren't reusing it).
1682 entry->SetTransitionType(params.transition);
Rakina Zata Amniafd3c6582021-11-30 06:19:171683 entry->SetOriginalRequestURL(request ? request->GetOriginalRequestURL()
1684 : GURL::EmptyGURL());
Rakina Zata Amni3460d382021-10-29 00:43:371685 DCHECK_EQ(rfh->is_overriding_user_agent(), params.is_overriding_user_agent);
1686 entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
1687 } else {
1688 // We are reusing the NavigationEntry. The site instance will normally be
1689 // the same except for a few cases:
1690 // 1) session restore, when no site instance will be assigned or
1691 // 2) redirect, when the site instance is reset.
1692 DCHECK(!entry->site_instance() || !entry->GetRedirectChain().empty() ||
1693 entry->site_instance() == rfh->GetSiteInstance());
1694 }
1695}
1696
Rakina Zata Amniafd3c6582021-11-30 06:19:171697void NavigationControllerImpl::CreateInitialEntry() {
1698 DCHECK_EQ(entries_.size(), 0u);
1699 RenderFrameHostImpl* rfh = frame_tree_.root()->current_frame_host();
1700 auto params = mojom::DidCommitProvisionalLoadParams::New();
1701 // The initial NavigationEntry's URL is the empty URL. This preserves the old
1702 // behavior of WebContent's GetLastCommittedURL() and GetVisibleURL() from
1703 // before we have initial NavigationEntries.
1704 params->url = GURL::EmptyGURL();
1705 params->http_status_code = 0;
1706 params->url_is_unreachable = false;
1707 params->method = "GET";
1708 params->should_replace_current_entry = false;
1709 params->post_id = -1;
1710 params->embedding_token = base::UnguessableToken::Create();
1711 params->navigation_token = base::UnguessableToken::Create();
1712 params->did_create_new_entry = true;
1713 params->origin = rfh->GetLastCommittedOrigin();
1714 params->should_update_history = true;
1715 params->item_sequence_number = 0;
1716 params->document_sequence_number = 0;
1717 bool is_in_fenced_frame_tree = rfh->frame_tree_node()->IsInFencedFrameTree();
1718 params->transition = is_in_fenced_frame_tree
1719 ? ui::PAGE_TRANSITION_AUTO_SUBFRAME
1720 : ui::PAGE_TRANSITION_LINK;
1721 params->referrer = blink::mojom::Referrer::New();
1722
1723 // Create and insert the initial NavigationEntry.
1724 auto new_entry = std::make_unique<NavigationEntryImpl>(
1725 rfh->GetSiteInstance(), params->url, Referrer(*params->referrer),
1726 rfh->GetLastCommittedOrigin(), std::u16string() /* title */,
1727 ui::PAGE_TRANSITION_TYPED, false /* renderer_initiated */,
1728 nullptr /* blob_url_loader_factory */, true /* is_initial_entry */);
1729 UpdateNavigationEntryDetails(
1730 new_entry.get(), rfh, *params, nullptr /* request */,
Rakina Zata Amnia4e27222021-12-22 01:05:001731 NavigationEntryImpl::UpdatePolicy::kUpdate, true /* is_new_entry */,
1732 nullptr /* commit_details */);
Rakina Zata Amniafd3c6582021-11-30 06:19:171733
1734 InsertOrReplaceEntry(std::move(new_entry), false /* replace_entry */,
1735 false /* was_post_commit_error */,
Rakina Zata Amnia4e27222021-12-22 01:05:001736 is_in_fenced_frame_tree, nullptr /* commit_details */);
Rakina Zata Amniafd3c6582021-11-30 06:19:171737}
1738
Charlie Reisc0f17d2d2021-01-12 18:52:491739void NavigationControllerImpl::RendererDidNavigateToNewEntry(
creis3da03872015-02-20 21:12:321740 RenderFrameHostImpl* rfh,
arthursonzogni73fe3212020-11-17 13:24:071741 const mojom::DidCommitProvisionalLoadParams& params,
eugenebut604866f2017-05-10 21:35:361742 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441743 bool replace_entry,
Shivani Sharmaffb32b82019-04-09 16:58:471744 bool previous_document_was_activated,
Rakina Zata Amnia4e27222021-12-22 01:05:001745 NavigationRequest* request,
1746 LoadCommittedDetails* commit_details) {
dcheng9bfa5162016-04-09 01:00:571747 std::unique_ptr<NavigationEntryImpl> new_entry;
Anton Bikineevf62d1bf2021-05-15 17:56:071748 const absl::optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451749 request->common_params().initiator_origin;
Lukasz Anforowicz435bcb582019-07-12 20:50:061750
creisf49dfc92016-07-26 17:05:181751 // First check if this is an in-page navigation. If so, clone the current
1752 // entry instead of looking at the pending entry, because the pending entry
1753 // does not have any subframe history items.
eugenebut604866f2017-05-10 21:35:361754 if (is_same_document && GetLastCommittedEntry()) {
Nate Chapin63db0d12022-01-20 22:03:301755 FrameNavigationEntry* previous_frame_entry =
1756 GetLastCommittedEntry()->GetFrameEntry(rfh->frame_tree_node());
Patrick Monette50e8bd82019-06-13 22:40:451757 auto frame_entry = base::MakeRefCounted<FrameNavigationEntry>(
Charles Reisd2a509f2017-09-27 23:47:481758 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
Nate Chapinfbfe5af2021-06-10 17:22:081759 params.document_sequence_number, params.app_history_key,
1760 rfh->GetSiteInstance(), nullptr, params.url,
1761 GetCommittedOriginForFrameEntry(params, request),
Rakina Zata Amni82fafba2021-03-11 07:07:091762 Referrer(*params.referrer), initiator_origin,
1763 request->GetRedirectChain(), params.page_state, params.method,
1764 params.post_id, nullptr /* blob_url_loader_factory */,
Antonio Sartori78a749f2020-11-30 12:03:391765 nullptr /* web_bundle_navigation_info */,
Kunihiko Sakamoto346a74e2021-03-10 08:57:481766 request->GetSubresourceWebBundleNavigationInfo(),
Antonio Sartori78a749f2020-11-30 12:03:391767 // We will set the document policies later in this function.
Nate Chapin63db0d12022-01-20 22:03:301768 nullptr /* policy_container_policies */,
1769 // Try to preserve protect_url_in_app_history from the previous
1770 // FrameNavigationEntry.
1771 previous_frame_entry &&
1772 previous_frame_entry->protect_url_in_app_history());
Charles Reisf44482022017-10-13 21:15:031773
creisf49dfc92016-07-26 17:05:181774 new_entry = GetLastCommittedEntry()->CloneAndReplace(
Harkiran Bolaria081c5c22021-09-13 08:44:531775 frame_entry, true, request->frame_tree_node(), frame_tree_.root());
Mike West800532c2021-10-14 09:26:521776 if (new_entry->GetURL().DeprecatedGetOriginAsURL() !=
1777 params.url.DeprecatedGetOriginAsURL()) {
jama78746e2017-02-22 17:21:571778 // TODO(jam): we had one report of this with a URL that was redirecting to
1779 // only tildes. Until we understand that better, don't copy the cert in
1780 // this case.
1781 new_entry->GetSSL() = SSLStatus();
jama78746e2017-02-22 17:21:571782 }
creisf49dfc92016-07-26 17:05:181783
Patrick Monette50e8bd82019-06-13 22:40:451784 // It is expected that |frame_entry| is now owned by |new_entry|. This means
1785 // that |frame_entry| should now have a reference count of exactly 2: one
1786 // due to the local variable |frame_entry|, and another due to |new_entry|
1787 // also retaining one. This should never fail, because it's the main frame.
1788 CHECK(!frame_entry->HasOneRef() && frame_entry->HasAtLeastOneRef());
creisf49dfc92016-07-26 17:05:181789 }
1790
Harkiran Bolaria59290d62021-03-17 01:53:011791 // If this is an activation navigation from a prerendered page, transfer the
1792 // new entry from an entry already created and stored in the
1793 // NavigationRequest. |new_entry| will not have been set prior to this as
1794 // |is_same_document| is mutually exclusive with
1795 // |IsPrerenderedPageActivation|.
1796 if (request->IsPrerenderedPageActivation()) {
1797 DCHECK(!is_same_document);
1798 DCHECK(!new_entry);
1799 new_entry = request->TakePrerenderNavigationEntry();
1800 DCHECK(new_entry);
1801 }
1802
Charlie Reisc0f17d2d2021-01-12 18:52:491803 // Only make a copy of the pending entry if it is appropriate for the new
1804 // document that just loaded. Verify this by checking if the entry corresponds
Mohamed Abdelhalim833de902019-09-16 17:41:451805 // to the given NavigationRequest. Additionally, coarsely check that:
csharrison9a9142bc42016-03-01 17:24:041806 // 1. The SiteInstance hasn't been assigned to something else.
1807 // 2. The pending entry was intended as a new entry, rather than being a
1808 // history navigation that was interrupted by an unrelated,
1809 // renderer-initiated navigation.
1810 // TODO(csharrison): Investigate whether we can remove some of the coarser
1811 // checks.
Mohamed Abdelhalim833de902019-09-16 17:41:451812 if (!new_entry && PendingEntryMatchesRequest(request) &&
1813 pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341814 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431815 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351816 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431817
Camille Lamy62b826012019-02-26 09:15:471818 new_entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451819 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
creisf49dfc92016-07-26 17:05:181820 }
1821
Charlie Reisc0f17d2d2021-01-12 18:52:491822 // For cross-document commits with no matching pending entry, create a new
1823 // entry.
creisf49dfc92016-07-26 17:05:181824 if (!new_entry) {
Lukasz Anforowicz435bcb582019-07-12 20:50:061825 new_entry = std::make_unique<NavigationEntryImpl>(
arthursonzogni73fe3212020-11-17 13:24:071826 rfh->GetSiteInstance(), params.url, Referrer(*params.referrer),
1827 initiator_origin,
Jan Wilken Dörrieaace0cfef2021-03-11 22:01:581828 std::u16string(), // title
Mohamed Abdelhalim833de902019-09-16 17:41:451829 params.transition, request->IsRendererInitiated(),
Rakina Zata Amniafd3c6582021-11-30 06:19:171830 nullptr, // blob_url_loader_factory
1831 false); // is_initial_entry
[email protected]f8f93eb2012-09-25 03:06:241832
1833 // Find out whether the new entry needs to update its virtual URL on URL
1834 // change and set up the entry accordingly. This is needed to correctly
1835 // update the virtual URL when replaceState is called after a pushState.
1836 GURL url = params.url;
1837 bool needs_update = false;
Charlie Reisc0f17d2d2021-01-12 18:52:491838 // When navigating to a new entry, give the browser URL handler a chance to
[email protected]f1eb87a2011-05-06 17:49:411839 // update the virtual URL based on the new URL. For example, this is needed
1840 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1841 // the URL.
Rakina Zata Amni3460d382021-10-29 00:43:371842 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1843 &url, browser_context_, &needs_update);
1844 new_entry->set_update_virtual_url_with_url(needs_update);
1845
Camille Lamy62b826012019-02-26 09:15:471846 new_entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451847 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
[email protected]e9ba4472008-09-14 15:42:431848 }
1849
Harkiran Bolaria59290d62021-03-17 01:53:011850 // TODO(crbug.com/1179428) - determine which parts of the entry need to be set
1851 // for prerendered contents, if any. This is because prerendering/activation
1852 // technically won't be creating a new document. Unlike BFCache, prerendering
1853 // creates a new NavigationEntry rather than using an existing one.
1854 if (!request->IsPrerenderedPageActivation()) {
Rakina Zata Amni3460d382021-10-29 00:43:371855 UpdateNavigationEntryDetails(new_entry.get(), rfh, params, request,
1856 NavigationEntryImpl::UpdatePolicy::kUpdate,
Rakina Zata Amnia4e27222021-12-22 01:05:001857 true /* is_new_entry */, commit_details);
creis8b5cd4c2015-06-19 00:11:081858
Harkiran Bolaria59290d62021-03-17 01:53:011859 // history.pushState() is classified as a navigation to a new page, but sets
1860 // is_same_document to true. In this case, we already have the title and
1861 // favicon available, so set them immediately.
1862 if (is_same_document && GetLastCommittedEntry()) {
1863 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
1864 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1865 }
[email protected]3a868f212014-08-09 10:41:191866 }
[email protected]ff64b3e2014-05-31 04:07:331867
[email protected]60d6cca2013-04-30 08:47:131868 DCHECK(!params.history_list_was_cleared || !replace_entry);
1869 // The browser requested to clear the session history when it initiated the
1870 // navigation. Now we know that the renderer has updated its state accordingly
1871 // and it is safe to also clear the browser side history.
1872 if (params.history_list_was_cleared) {
Rakina Zata Amniddf10502022-01-15 02:56:551873 DiscardNonCommittedEntriesWithCommitDetails(commit_details);
[email protected]60d6cca2013-04-30 08:47:131874 entries_.clear();
1875 last_committed_entry_index_ = -1;
1876 }
1877
Nasko Oskovaee2f862018-06-15 00:05:521878 // If this is a new navigation with replacement and there is a
1879 // pending_entry_ which matches the navigation reported by the renderer
1880 // process, then it should be the one replaced, so update the
1881 // last_committed_entry_index_ to use it.
1882 if (replace_entry && pending_entry_index_ != -1 &&
Rakina Zata Amnif6950d552020-11-24 03:26:101883 pending_entry_->GetUniqueID() == request->commit_params().nav_entry_id) {
Nasko Oskovaee2f862018-06-15 00:05:521884 last_committed_entry_index_ = pending_entry_index_;
1885 }
1886
Alexander Timine3ec4192020-04-20 16:39:401887 SetShouldSkipOnBackForwardUIIfNeeded(
shivanigithube92c33da2020-09-14 13:01:411888 replace_entry, previous_document_was_activated,
Alexander Timine3ec4192020-04-20 16:39:401889 request->IsRendererInitiated(), request->GetPreviousPageUkmSourceId());
shivanisha41f04c52018-12-12 15:52:051890
Carlos IL42b416592019-10-07 23:10:361891 InsertOrReplaceEntry(std::move(new_entry), replace_entry,
Dave Tapuska87696ae2021-11-18 18:48:311892 !request->post_commit_error_page_html().empty(),
Rakina Zata Amnia4e27222021-12-22 01:05:001893 rfh->frame_tree_node()->IsInFencedFrameTree(),
1894 commit_details);
[email protected]e9ba4472008-09-14 15:42:431895}
1896
Charlie Reisc0f17d2d2021-01-12 18:52:491897void NavigationControllerImpl::RendererDidNavigateToExistingEntry(
creis3da03872015-02-20 21:12:321898 RenderFrameHostImpl* rfh,
arthursonzogni73fe3212020-11-17 13:24:071899 const mojom::DidCommitProvisionalLoadParams& params,
eugenebut604866f2017-05-10 21:35:361900 bool is_same_document,
jam48cea9082017-02-15 06:13:291901 bool was_restored,
Mohamed Abdelhalim833de902019-09-16 17:41:451902 NavigationRequest* request,
Rakina Zata Amnia4e27222021-12-22 01:05:001903 bool keep_pending_entry,
1904 LoadCommittedDetails* commit_details) {
creis26d22632017-04-21 20:23:561905 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1906 << "that a last committed entry exists.";
1907
[email protected]e9ba4472008-09-14 15:42:431908 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001909 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431910
Charlie Reis7e2cb6d2021-01-26 01:27:161911 NavigationEntryImpl* entry = nullptr;
Rakina Zata Amni153d5702021-09-13 22:48:001912 if (request->commit_params().intended_as_new_entry) {
Charlie Reis7e2cb6d2021-01-26 01:27:161913 // We're guaranteed to have a last committed entry if intended_as_new_entry
1914 // is true.
avicbdc4c12015-07-01 16:07:111915 entry = GetLastCommittedEntry();
Charlie Reis7e2cb6d2021-01-26 01:27:161916 DCHECK(entry);
1917
1918 // If the NavigationRequest matches a new pending entry and is classified as
1919 // EXISTING_ENTRY, then it is a navigation to the same URL that was
1920 // converted to a reload, such as a user pressing enter in the omnibox.
1921 if (pending_entry_ && pending_entry_index_ == -1 &&
1922 pending_entry_->GetUniqueID() ==
1923 request->commit_params().nav_entry_id) {
1924 // Note: The pending entry will usually have a real ReloadType here, but
1925 // it can still be ReloadType::NONE in cases that
1926 // ShouldTreatNavigationAsReload returns false (e.g., POST, view-source).
1927
1928 // If we classified this correctly, the SiteInstance should not have
1929 // changed.
1930 CHECK_EQ(entry->site_instance(), rfh->GetSiteInstance());
1931
1932 // For converted reloads, we assign the entry's unique ID to be that of
1933 // the new one. Since this is always the result of a user action, we want
1934 // to dismiss infobars, etc. like a regular user-initiated navigation.
1935 entry->set_unique_id(pending_entry_->GetUniqueID());
1936
1937 // The extra headers may have changed due to reloading with different
1938 // headers.
1939 entry->set_extra_headers(pending_entry_->extra_headers());
1940 }
1941 // Otherwise, this was intended as a new entry but the pending entry was
1942 // lost in the meantime and no new entry was created. We are stuck at the
1943 // last committed entry.
1944
1945 // Even if this is a converted reload from pressing enter in the omnibox,
1946 // the server could redirect, requiring an update to the SSL status. If this
1947 // is a same document navigation, though, there's no SSLStatus in the
Mohamed Abdelhalim833de902019-09-16 17:41:451948 // NavigationRequest so don't overwrite the existing entry's SSLStatus.
Charlie Reis7e2cb6d2021-01-26 01:27:161949 if (!is_same_document) {
Camille Lamy62b826012019-02-26 09:15:471950 entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451951 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
Charlie Reis7e2cb6d2021-01-26 01:27:161952 }
Rakina Zata Amnif6950d552020-11-24 03:26:101953 } else if (const int nav_entry_id = request->commit_params().nav_entry_id) {
avicbdc4c12015-07-01 16:07:111954 // This is a browser-initiated navigation (back/forward/reload).
Rakina Zata Amnif6950d552020-11-24 03:26:101955 entry = GetEntryWithUniqueID(nav_entry_id);
jamd208b90ce2016-09-01 16:58:161956
eugenebut604866f2017-05-10 21:35:361957 if (is_same_document) {
Mohamed Abdelhalim833de902019-09-16 17:41:451958 // There's no SSLStatus in the NavigationRequest for same document
eugenebut604866f2017-05-10 21:35:361959 // navigations, so normally we leave |entry|'s SSLStatus as is. However if
1960 // this was a restored same document navigation entry, then it won't have
1961 // an SSLStatus. So we need to copy over the SSLStatus from the entry that
1962 // navigated it.
jam48cea9082017-02-15 06:13:291963 NavigationEntryImpl* last_entry = GetLastCommittedEntry();
Mike West800532c2021-10-14 09:26:521964 if (entry->GetURL().DeprecatedGetOriginAsURL() ==
1965 last_entry->GetURL().DeprecatedGetOriginAsURL() &&
jam48cea9082017-02-15 06:13:291966 last_entry->GetSSL().initialized && !entry->GetSSL().initialized &&
1967 was_restored) {
1968 entry->GetSSL() = last_entry->GetSSL();
1969 }
1970 } else {
Mohamed Abdelhalim833de902019-09-16 17:41:451971 // In rapid back/forward navigations |request| sometimes won't have a cert
1972 // (http://crbug.com/727892). So we use the request's cert if it exists,
John Abd-El-Malek3f247082017-12-07 19:02:191973 // otherwise we only reuse the existing cert if the origins match.
Mohamed Abdelhalim833de902019-09-16 17:41:451974 if (request->GetSSLInfo().has_value() &&
1975 request->GetSSLInfo()->is_valid()) {
1976 entry->GetSSL() = SSLStatus(*(request->GetSSLInfo()));
Mike West800532c2021-10-14 09:26:521977 } else if (entry->GetURL().DeprecatedGetOriginAsURL() !=
1978 request->GetURL().DeprecatedGetOriginAsURL()) {
John Abd-El-Malek3f247082017-12-07 19:02:191979 entry->GetSSL() = SSLStatus();
1980 }
jam48cea9082017-02-15 06:13:291981 }
avicbdc4c12015-07-01 16:07:111982 } else {
1983 // This is renderer-initiated. The only kinds of renderer-initated
Rakina Zata Amni557afb92021-07-17 04:39:571984 // navigations that are EXISTING_ENTRY are same-document navigations that
1985 // result in replacement (e.g. history.replaceState(), location.replace(),
1986 // forced replacements for trivial session history contexts). For these
1987 // cases, we reuse the last committed entry.
avicbdc4c12015-07-01 16:07:111988 entry = GetLastCommittedEntry();
jam0576b132016-09-07 05:13:101989
Mikel Astizba9cf2fd2017-12-17 10:38:101990 // TODO(crbug.com/751023): Set page transition type to PAGE_TRANSITION_LINK
1991 // to avoid misleading interpretations (e.g. URLs paired with
1992 // PAGE_TRANSITION_TYPED that haven't actually been typed) as well as to fix
1993 // the inconsistency with what we report to observers (PAGE_TRANSITION_LINK
1994 // | PAGE_TRANSITION_CLIENT_REDIRECT).
1995
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571996 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(entry, entry);
Mikel Astizba9cf2fd2017-12-17 10:38:101997
eugenebut604866f2017-05-10 21:35:361998 // If this is a same document navigation, then there's no SSLStatus in the
Mohamed Abdelhalim833de902019-09-16 17:41:451999 // NavigationRequest so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:362000 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:472001 entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:452002 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
avicbdc4c12015-07-01 16:07:112003 }
2004 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:432005
Rakina Zata Amni3460d382021-10-29 00:43:372006 UpdateNavigationEntryDetails(entry, rfh, params, request,
2007 NavigationEntryImpl::UpdatePolicy::kUpdate,
Rakina Zata Amnia4e27222021-12-22 01:05:002008 false /* is_new_entry */, commit_details);
creis22a7b4c2016-04-28 07:20:302009
[email protected]5ccd4dc2012-10-24 02:28:142010 // The redirected to page should not inherit the favicon from the previous
2011 // page.
eugenebut604866f2017-05-10 21:35:362012 if (ui::PageTransitionIsRedirect(params.transition) && !is_same_document)
[email protected]91a4ff82012-10-29 20:29:482013 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:142014
Peter Boströmd7592132019-01-30 04:50:312015 // We should also usually discard the pending entry if it corresponds to a
2016 // different navigation, since that one is now likely canceled. In rare
2017 // cases, we leave the pending entry for another navigation in place when we
2018 // know it is still ongoing, to avoid a flicker in the omnibox (see
2019 // https://crbug.com/900036).
[email protected]e9ba4472008-09-14 15:42:432020 //
2021 // Note that we need to use the "internal" version since we don't want to
2022 // actually change any other state, just kill the pointer.
Peter Boströmd7592132019-01-30 04:50:312023 if (!keep_pending_entry)
Rakina Zata Amnia4e27222021-12-22 01:05:002024 DiscardNonCommittedEntriesWithCommitDetails(commit_details);
[email protected]40bcc302009-03-02 20:50:392025
Carlos IL4dea8902020-05-26 15:14:292026 // Update the last committed index to reflect the committed entry.
avicbdc4c12015-07-01 16:07:112027 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:432028}
2029
[email protected]d202a7c2012-01-04 07:53:472030void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:322031 RenderFrameHostImpl* rfh,
arthursonzogni73fe3212020-11-17 13:24:072032 const mojom::DidCommitProvisionalLoadParams& params,
eugenebut604866f2017-05-10 21:35:362033 bool is_same_document,
Shivani Sharmaffb32b82019-04-09 16:58:472034 bool replace_entry,
2035 bool previous_document_was_activated,
Rakina Zata Amnia4e27222021-12-22 01:05:002036 NavigationRequest* request,
2037 LoadCommittedDetails* commit_details) {
avi25f5f9e2015-07-17 20:08:262038 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
2039 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
Rakina Zata Amniddf10502022-01-15 02:56:552040 // The NEW_SUBFRAME path should never result in an initial NavigationEntry.
2041 DCHECK(!commit_details->should_stay_as_initial_entry);
[email protected]09b8f82f2009-06-16 20:22:112042
[email protected]e9ba4472008-09-14 15:42:432043 // Manual subframe navigations just get the current entry cloned so the user
2044 // can go back or forward to it. The actual subframe information will be
2045 // stored in the page state for each of those entries. This happens out of
2046 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:092047 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
2048 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:382049
Mikel Astizba9cf2fd2017-12-17 10:38:102050 // The DCHECK below documents the fact that we don't know of any situation
2051 // where |replace_entry| is true for subframe navigations. This simplifies
2052 // reasoning about the replacement struct for subframes (see
2053 // CopyReplacedNavigationEntryDataIfPreviouslyEmpty()).
2054 DCHECK(!replace_entry);
2055
Patrick Monette50e8bd82019-06-13 22:40:452056 // This FrameNavigationEntry might not end up being used in the
2057 // CloneAndReplace() call below, if a spot can't be found for it in the tree.
Anton Bikineevf62d1bf2021-05-15 17:56:072058 const absl::optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:452059 request->common_params().initiator_origin;
Nate Chapin63db0d12022-01-20 22:03:302060 std::unique_ptr<PolicyContainerPolicies> policy_container_policies =
2061 ComputePolicyContainerPoliciesForFrameEntry(rfh, is_same_document,
2062 request->GetURL());
2063 bool protect_url_in_app_history = false;
2064 if (is_same_document) {
2065 FrameNavigationEntry* previous_frame_entry =
2066 GetLastCommittedEntry()->GetFrameEntry(rfh->frame_tree_node());
2067 // Try to preserve protect_url_in_app_history from the previous
2068 // FrameNavigationEntry.
2069 protect_url_in_app_history =
2070 previous_frame_entry &&
2071 previous_frame_entry->protect_url_in_app_history();
2072 } else {
2073 protect_url_in_app_history =
2074 policy_container_policies &&
2075 ShouldProtectUrlInAppHistory(
2076 policy_container_policies->referrer_policy);
2077 }
2078
Patrick Monette50e8bd82019-06-13 22:40:452079 auto frame_entry = base::MakeRefCounted<FrameNavigationEntry>(
Charles Reisd2a509f2017-09-27 23:47:482080 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
Nate Chapinfbfe5af2021-06-10 17:22:082081 params.document_sequence_number, params.app_history_key,
2082 rfh->GetSiteInstance(), nullptr, params.url,
2083 GetCommittedOriginForFrameEntry(params, request),
Rakina Zata Amni82fafba2021-03-11 07:07:092084 Referrer(*params.referrer), initiator_origin, request->GetRedirectChain(),
arthursonzogni73fe3212020-11-17 13:24:072085 params.page_state, params.method, params.post_id,
2086 nullptr /* blob_url_loader_factory */,
Tsuyoshi Horo0c605782020-05-27 00:21:032087 request->web_bundle_navigation_info()
2088 ? request->web_bundle_navigation_info()->Clone()
Antonio Sartori78a749f2020-11-30 12:03:392089 : nullptr,
Kunihiko Sakamoto346a74e2021-03-10 08:57:482090 request->GetSubresourceWebBundleNavigationInfo(),
Nate Chapin63db0d12022-01-20 22:03:302091 std::move(policy_container_policies), protect_url_in_app_history);
Charles Reisf44482022017-10-13 21:15:032092
creisce0ef3572017-01-26 17:53:082093 std::unique_ptr<NavigationEntryImpl> new_entry =
2094 GetLastCommittedEntry()->CloneAndReplace(
Patrick Monette50e8bd82019-06-13 22:40:452095 std::move(frame_entry), is_same_document, rfh->frame_tree_node(),
Carlos Caballero40b0efd2021-01-26 11:55:002096 frame_tree_.root());
creise062d542015-08-25 02:01:552097
Alexander Timine3ec4192020-04-20 16:39:402098 SetShouldSkipOnBackForwardUIIfNeeded(
shivanigithube92c33da2020-09-14 13:01:412099 replace_entry, previous_document_was_activated,
Alexander Timine3ec4192020-04-20 16:39:402100 request->IsRendererInitiated(), request->GetPreviousPageUkmSourceId());
Shivani Sharmaffb32b82019-04-09 16:58:472101
creisce0ef3572017-01-26 17:53:082102 // TODO(creis): Update this to add the frame_entry if we can't find the one
Patrick Monette50e8bd82019-06-13 22:40:452103 // to replace, which can happen due to a unique name change. See
2104 // https://crbug.com/607205. For now, the call to CloneAndReplace() will
2105 // delete the |frame_entry| when the function exits if it doesn't get used.
creis96fc55082015-06-13 06:42:382106
Dave Tapuska87696ae2021-11-18 18:48:312107 InsertOrReplaceEntry(std::move(new_entry), replace_entry, false,
Rakina Zata Amnia4e27222021-12-22 01:05:002108 rfh->frame_tree_node()->IsInFencedFrameTree(),
2109 commit_details);
[email protected]e9ba4472008-09-14 15:42:432110}
2111
[email protected]d202a7c2012-01-04 07:53:472112bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:322113 RenderFrameHostImpl* rfh,
arthursonzogni73fe3212020-11-17 13:24:072114 const mojom::DidCommitProvisionalLoadParams& params,
Antonio Sartori78a749f2020-11-30 12:03:392115 bool is_same_document,
Nate Chapinc7019dd7d2021-06-25 18:29:252116 bool was_on_initial_empty_document,
Rakina Zata Amnia4e27222021-12-22 01:05:002117 NavigationRequest* request,
2118 LoadCommittedDetails* commit_details) {
avi9f07a0c2015-02-18 22:51:292119 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
2120 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
2121
[email protected]e9ba4472008-09-14 15:42:432122 // We're guaranteed to have a previously committed entry, and we now need to
2123 // handle navigation inside of a subframe in it without creating a new entry.
2124 DCHECK(GetLastCommittedEntry());
2125
creis913c63ce2016-07-16 19:52:522126 // For newly created subframes, we don't need to send a commit notification.
2127 // This is only necessary for history navigations in subframes.
2128 bool send_commit_notification = false;
2129
Rakina Zata Amnif6950d552020-11-24 03:26:102130 // If |nav_entry_id| is non-zero and matches an existing entry, this
2131 // is a history navigation. Update the last committed index accordingly. If
2132 // we don't recognize the |nav_entry_id|, it might be a recently
2133 // pruned entry. We'll handle it below.
2134 if (const int nav_entry_id = request->commit_params().nav_entry_id) {
2135 int entry_index = GetEntryIndexWithUniqueID(nav_entry_id);
creis3cdc3b02015-05-29 23:00:472136 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:062137 // Make sure that a subframe commit isn't changing the main frame's
2138 // origin. Otherwise the renderer process may be confused, leading to a
2139 // URL spoof. We can't check the path since that may change
2140 // (https://crbug.com/373041).
creis37988b92016-06-10 18:03:572141 // TODO(creis): For now, restrict this check to HTTP(S) origins, because
2142 // about:blank, file, and unique origins are more subtle to get right.
Charlie Reis95fbca442021-05-21 21:38:242143 // We should use checks similar to RenderFrameHostImpl's
2144 // CanCommitUrlAndOrigin on the main frame during subframe commits.
2145 // See https://crbug.com/1209092.
creis37988b92016-06-10 18:03:572146 const GURL& dest_top_url = GetEntryAtIndex(entry_index)->GetURL();
2147 const GURL& current_top_url = GetLastCommittedEntry()->GetURL();
2148 if (current_top_url.SchemeIsHTTPOrHTTPS() &&
2149 dest_top_url.SchemeIsHTTPOrHTTPS() &&
Mike West800532c2021-10-14 09:26:522150 current_top_url.DeprecatedGetOriginAsURL() !=
2151 dest_top_url.DeprecatedGetOriginAsURL()) {
creisfb6eeb62016-05-10 19:01:512152 bad_message::ReceivedBadMessage(rfh->GetProcess(),
2153 bad_message::NC_AUTO_SUBFRAME);
avi98405c22015-05-21 20:47:062154 }
creis3cdc3b02015-05-29 23:00:472155
creis913c63ce2016-07-16 19:52:522156 // We only need to discard the pending entry in this history navigation
2157 // case. For newly created subframes, there was no pending entry.
avi98405c22015-05-21 20:47:062158 last_committed_entry_index_ = entry_index;
Rakina Zata Amnia4e27222021-12-22 01:05:002159 DiscardNonCommittedEntriesWithCommitDetails(commit_details);
creis913c63ce2016-07-16 19:52:522160
2161 // History navigations should send a commit notification.
2162 send_commit_notification = true;
avi98405c22015-05-21 20:47:062163 }
[email protected]e9ba4472008-09-14 15:42:432164 }
[email protected]f233e4232013-02-23 00:55:142165
creisce0ef3572017-01-26 17:53:082166 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
2167 // it may be a "history auto" case where we update an existing one.
2168 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
Nate Chapin9f169072021-06-09 19:32:372169
2170 // We may want to update |last_committed|'s FrameNavigationEntry (if one
2171 // exists), or we may want to clobber it and create a new one. We update in
2172 // cases where the corresponding FrameNavigationEntry is conceptually similar
2173 // to the document described by the commit params: same-document
2174 // navigations, history traversal to an existing entry, and reloads (including
2175 // a "soft reload" where we navigate to the same url without flagging it as a
2176 // reload). But in the case of a different document that is not logically
2177 // related to the committed FrameNavigationEntry's document (cross-document,
2178 // not same url, not a reload, not a history traversal), we replace rather
2179 // than update.
Nate Chapinc7019dd7d2021-06-25 18:29:252180 //
Nate Chapin9f169072021-06-09 19:32:372181 // In the case where we update, the FrameNavigationEntry will potentially be
2182 // shared across multiple NavigationEntries, and any updates will be reflected
2183 // in all of those NavigationEntries. In the replace case, any existing
2184 // sharing with other NavigationEntries will stop.
Nate Chapinc7019dd7d2021-06-25 18:29:252185 //
2186 // When navigating away from the initial empty document, we also update rather
2187 // than replace. Either update or replace will overwrite the initial empty
2188 // document state for |last_committed|, but if the FrameNavigationEntry for
2189 // the initial empty document is shared across multiple NavigationEntries (due
2190 // to a navigation in another frame), we want to make sure we overwrite the
2191 // initial empty document state everywhere this FrameNavigationEntry is used,
2192 // which is accompished by updating the existing FrameNavigationEntry.
Nate Chapin9f169072021-06-09 19:32:372193 FrameNavigationEntry* last_committed_frame_entry =
2194 last_committed->GetFrameEntry(rfh->frame_tree_node());
2195 NavigationEntryImpl::UpdatePolicy update_policy =
2196 NavigationEntryImpl::UpdatePolicy::kUpdate;
2197 if (request->common_params().navigation_type ==
Minggang Wangb9f3fa92021-07-01 15:30:312198 blink::mojom::NavigationType::DIFFERENT_DOCUMENT &&
Nate Chapin9f169072021-06-09 19:32:372199 last_committed_frame_entry &&
Nate Chapinc7019dd7d2021-06-25 18:29:252200 last_committed_frame_entry->url() != params.url &&
2201 !was_on_initial_empty_document) {
Nate Chapin9f169072021-06-09 19:32:372202 update_policy = NavigationEntryImpl::UpdatePolicy::kReplace;
2203 }
2204
Rakina Zata Amni3460d382021-10-29 00:43:372205 UpdateNavigationEntryDetails(last_committed, rfh, params, request,
Rakina Zata Amnia4e27222021-12-22 01:05:002206 update_policy, false /* is_new_entry */,
2207 commit_details);
creis625a0c7d2015-03-24 23:17:122208
creis913c63ce2016-07-16 19:52:522209 return send_commit_notification;
[email protected]e9ba4472008-09-14 15:42:432210}
2211
[email protected]d202a7c2012-01-04 07:53:472212int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:232213 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:032214 for (size_t i = 0; i < entries_.size(); ++i) {
2215 if (entries_[i].get() == entry)
2216 return i;
2217 }
2218 return -1;
[email protected]765b35502008-08-21 00:51:202219}
2220
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572221void NavigationControllerImpl::CopyStateFrom(NavigationController* temp,
Francois Dorayeaace782017-06-21 16:37:242222 bool needs_reload) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572223 NavigationControllerImpl* source =
2224 static_cast<NavigationControllerImpl*>(temp);
[email protected]ce3fa3c2009-04-20 19:55:572225 // Verify that we look new.
Rakina Zata Amniafd3c6582021-11-30 06:19:172226 DCHECK_EQ(1, GetEntryCount());
2227 DCHECK(GetLastCommittedEntry()->IsInitialEntry());
Lei Zhang96031532019-10-10 19:05:472228 DCHECK(!GetPendingEntry());
Rakina Zata Amniafd3c6582021-11-30 06:19:172229 entries_.clear();
[email protected]ce3fa3c2009-04-20 19:55:572230
Rakina Zata Amniafd3c6582021-11-30 06:19:172231 if (source->GetEntryCount() == 0) {
2232 NOTREACHED();
2233 return;
2234 }
[email protected]ce3fa3c2009-04-20 19:55:572235
Francois Dorayeaace782017-06-21 16:37:242236 needs_reload_ = needs_reload;
Bo Liucdfa4b12018-11-06 00:21:442237 needs_reload_type_ = NeedsReloadType::kCopyStateFrom;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572238 InsertEntriesFrom(source, source->GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:572239
Fergal Dalya1d569972021-03-16 03:24:532240 for (auto& it : source->session_storage_namespace_map_) {
[email protected]fdac6ade2013-07-20 01:06:302241 SessionStorageNamespaceImpl* source_namespace =
Fergal Dalya1d569972021-03-16 03:24:532242 static_cast<SessionStorageNamespaceImpl*>(it.second.get());
2243 session_storage_namespace_map_[it.first] = source_namespace->Clone();
Aaron Colwellb731a0ae2021-03-19 19:14:472244 OnStoragePartitionIdAdded(it.first);
[email protected]fdac6ade2013-07-20 01:06:302245 }
[email protected]4e6419c2010-01-15 04:50:342246
Lukasz Anforowicz0de0f452020-12-02 19:57:152247 FinishRestore(source->last_committed_entry_index_, RestoreType::kRestored);
[email protected]ce3fa3c2009-04-20 19:55:572248}
2249
Aran Gilman37d11632019-10-08 23:07:152250void NavigationControllerImpl::CopyStateFromAndPrune(NavigationController* temp,
2251 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:162252 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:012253 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:162254
[email protected]d202a7c2012-01-04 07:53:472255 NavigationControllerImpl* source =
2256 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:252257
avi2b177592014-12-10 02:08:022258 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:012259 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:252260
[email protected]474f8512013-05-31 22:31:162261 // We now have one entry, possibly with a new pending entry. Ensure that
2262 // adding the entries from source won't put us over the limit.
2263 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:572264 if (!replace_entry)
Shivani Sharmad8c8d652019-02-13 17:27:572265 source->PruneOldestSkippableEntryIfFull();
[email protected]944822b2012-03-02 20:57:252266
Carlos IL4dea8902020-05-26 15:14:292267 // Insert the entries from source. Ignore any pending entry, since it has not
2268 // committed in source.
[email protected]474f8512013-05-31 22:31:162269 int max_source_index = source->last_committed_entry_index_;
Rakina Zata Amniafd3c6582021-11-30 06:19:172270 DCHECK_NE(max_source_index, -1);
2271 max_source_index++;
[email protected]e78a6852013-12-13 08:08:572272
2273 // Ignore the source's current entry if merging with replacement.
2274 // TODO(davidben): This should preserve entries forward of the current
2275 // too. http://crbug.com/317872
2276 if (replace_entry && max_source_index > 0)
2277 max_source_index--;
2278
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572279 InsertEntriesFrom(source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:252280
2281 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:552282 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:142283
Hayato Ito2c8c08d02021-06-23 03:38:432284 BroadcastHistoryOffsetAndLength();
[email protected]e1cd5452010-08-26 18:03:252285}
2286
[email protected]79368982013-11-13 01:11:012287bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:162288 // If there is no last committed entry, we cannot prune. Even if there is a
2289 // pending entry, it may not commit, leaving this WebContents blank, despite
2290 // possibly giving it new entries via CopyStateFromAndPrune.
2291 if (last_committed_entry_index_ == -1)
2292 return false;
[email protected]9350602e2013-02-26 23:27:442293
[email protected]474f8512013-05-31 22:31:162294 // We cannot prune if there is a pending entry at an existing entry index.
2295 // It may not commit, so we have to keep the last committed entry, and thus
2296 // there is no sensible place to keep the pending entry. It is ok to have
2297 // a new pending entry, which can optionally commit as a new navigation.
2298 if (pending_entry_index_ != -1)
2299 return false;
2300
[email protected]474f8512013-05-31 22:31:162301 return true;
2302}
2303
[email protected]79368982013-11-13 01:11:012304void NavigationControllerImpl::PruneAllButLastCommitted() {
2305 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:162306
avi2b177592014-12-10 02:08:022307 DCHECK_EQ(0, last_committed_entry_index_);
2308 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:442309
Hayato Ito2c8c08d02021-06-23 03:38:432310 BroadcastHistoryOffsetAndLength();
[email protected]9350602e2013-02-26 23:27:442311}
2312
[email protected]79368982013-11-13 01:11:012313void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:162314 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:012315 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:262316
[email protected]474f8512013-05-31 22:31:162317 // Erase all entries but the last committed entry. There may still be a
2318 // new pending entry after this.
2319 entries_.erase(entries_.begin(),
2320 entries_.begin() + last_committed_entry_index_);
2321 entries_.erase(entries_.begin() + 1, entries_.end());
2322 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:262323}
2324
Christian Dullweber1af31e62018-02-22 11:49:482325void NavigationControllerImpl::DeleteNavigationEntries(
2326 const DeletionPredicate& deletionPredicate) {
2327 // It is up to callers to check the invariants before calling this.
2328 CHECK(CanPruneAllButLastCommitted());
2329 std::vector<int> delete_indices;
2330 for (size_t i = 0; i < entries_.size(); i++) {
2331 if (i != static_cast<size_t>(last_committed_entry_index_) &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572332 deletionPredicate.Run(entries_[i].get())) {
Christian Dullweber1af31e62018-02-22 11:49:482333 delete_indices.push_back(i);
2334 }
2335 }
2336 if (delete_indices.empty())
2337 return;
2338
2339 if (delete_indices.size() == GetEntryCount() - 1U) {
2340 PruneAllButLastCommitted();
2341 } else {
2342 // Do the deletion in reverse to preserve indices.
2343 for (auto it = delete_indices.rbegin(); it != delete_indices.rend(); ++it) {
2344 RemoveEntryAtIndex(*it);
2345 }
Hayato Ito2c8c08d02021-06-23 03:38:432346 BroadcastHistoryOffsetAndLength();
Christian Dullweber1af31e62018-02-22 11:49:482347 }
2348 delegate()->NotifyNavigationEntriesDeleted();
2349}
2350
Shivani Sharma883f5f32019-02-12 18:20:012351bool NavigationControllerImpl::IsEntryMarkedToBeSkipped(int index) {
2352 auto* entry = GetEntryAtIndex(index);
2353 return entry && entry->should_skip_on_back_forward_ui();
2354}
2355
Carlos Caballero35ce710c2019-09-19 10:59:452356BackForwardCacheImpl& NavigationControllerImpl::GetBackForwardCache() {
2357 return back_forward_cache_;
2358}
2359
clamy987a3752018-05-03 17:36:262360void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
2361 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
2362 // progress, since this will cause a use-after-free. (We only allow this
2363 // when the tab is being destroyed for shutdown, since it won't return to
2364 // NavigateToEntry in that case.) http://crbug.com/347742.
Takashi Toyoshimaea534ef22021-07-21 03:27:592365 CHECK(!in_navigate_to_pending_entry_ || frame_tree_.IsBeingDestroyed());
clamy987a3752018-05-03 17:36:262366
2367 if (was_failure && pending_entry_) {
2368 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
2369 } else {
2370 failed_pending_entry_id_ = 0;
2371 }
2372
2373 if (pending_entry_) {
2374 if (pending_entry_index_ == -1)
2375 delete pending_entry_;
2376 pending_entry_index_ = -1;
2377 pending_entry_ = nullptr;
2378 }
arthursonzogni66f711c2019-10-08 14:40:362379
2380 // Ensure any refs to the current pending entry are ignored if they get
2381 // deleted, by clearing the set of known refs. All future pending entries will
2382 // only be affected by new refs.
2383 pending_entry_refs_.clear();
clamy987a3752018-05-03 17:36:262384}
2385
2386void NavigationControllerImpl::SetPendingNavigationSSLError(bool error) {
2387 if (pending_entry_)
2388 pending_entry_->set_ssl_error(error);
2389}
2390
Xiaohan Wang7f8052e02022-01-14 18:44:282391#if BUILDFLAG(IS_ANDROID)
Camille Lamy5193caa2018-10-12 11:59:422392// static
2393bool NavigationControllerImpl::ValidateDataURLAsString(
2394 const scoped_refptr<const base::RefCountedString>& data_url_as_string) {
2395 if (!data_url_as_string)
2396 return false;
2397
2398 if (data_url_as_string->size() > kMaxLengthOfDataURLString)
2399 return false;
2400
2401 // The number of characters that is enough for validating a data: URI.
2402 // From the GURL's POV, the only important part here is scheme, it doesn't
2403 // check the actual content. Thus we can take only the prefix of the url, to
2404 // avoid unneeded copying of a potentially long string.
2405 const size_t kDataUriPrefixMaxLen = 64;
2406 GURL data_url(
2407 std::string(data_url_as_string->front_as<char>(),
2408 std::min(data_url_as_string->size(), kDataUriPrefixMaxLen)));
2409 if (!data_url.is_valid() || !data_url.SchemeIs(url::kDataScheme))
2410 return false;
2411
2412 return true;
2413}
2414#endif
2415
Shivani Sharma194877032019-03-07 17:52:472416void NavigationControllerImpl::NotifyUserActivation() {
2417 // When a user activation occurs, ensure that all adjacent entries for the
2418 // same document clear their skippable bit, so that the history manipulation
2419 // intervention does not apply to them.
2420 auto* last_committed_entry = GetLastCommittedEntry();
2421 if (!last_committed_entry)
2422 return;
Shivani Sharma194877032019-03-07 17:52:472423
shivanigithub99368382021-06-16 18:33:372424 if (base::FeatureList::IsEnabled(
2425 features::kDebugHistoryInterventionNoUserActivation)) {
2426 return;
2427 }
2428
Shivani Sharmac4cc8922019-04-18 03:11:172429 SetSkippableForSameDocumentEntries(GetLastCommittedEntryIndex(), false);
Shivani Sharma194877032019-03-07 17:52:472430}
2431
clamy987a3752018-05-03 17:36:262432bool NavigationControllerImpl::StartHistoryNavigationInNewSubframe(
2433 RenderFrameHostImpl* render_frame_host,
Julie Jeongeun Kimed2e5ba72019-09-12 10:14:172434 mojo::PendingAssociatedRemote<mojom::NavigationClient>* navigation_client) {
clamy987a3752018-05-03 17:36:262435 NavigationEntryImpl* entry =
2436 GetEntryWithUniqueID(render_frame_host->nav_entry_id());
2437 if (!entry)
2438 return false;
2439
2440 FrameNavigationEntry* frame_entry =
2441 entry->GetFrameEntry(render_frame_host->frame_tree_node());
2442 if (!frame_entry)
2443 return false;
2444
Nate Chapin45f620582021-09-30 17:45:432445 // |is_browser_initiated| is false here because a navigation in a new subframe
2446 // always begins with renderer action (i.e., an HTML element being inserted
2447 // into the DOM), so it is always renderer-initiated.
Camille Lamy5193caa2018-10-12 11:59:422448 std::unique_ptr<NavigationRequest> request = CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572449 render_frame_host->frame_tree_node(), entry, frame_entry,
clamyea99ea12018-05-28 13:54:232450 ReloadType::NONE, false /* is_same_document_history_load */,
Nate Chapin45f620582021-09-30 17:45:432451 true /* is_history_navigation_in_new_child */,
2452 false /* is_browser_initiated */);
clamyea99ea12018-05-28 13:54:232453
2454 if (!request)
2455 return false;
2456
arthursonzognif046d4a2019-12-12 19:08:102457 request->SetNavigationClient(std::move(*navigation_client));
Arthur Hemery06173ce2019-05-29 12:11:412458
Lukasz Anforowicz9ee83c272020-12-01 20:14:052459 render_frame_host->frame_tree_node()->navigator().Navigate(std::move(request),
2460 ReloadType::NONE);
clamyea99ea12018-05-28 13:54:232461
2462 return true;
clamy987a3752018-05-03 17:36:262463}
2464
Tsuyoshi Horo52fd08e2020-07-07 07:03:452465bool NavigationControllerImpl::ReloadFrame(FrameTreeNode* frame_tree_node) {
2466 NavigationEntryImpl* entry = GetEntryAtIndex(GetCurrentEntryIndex());
2467 if (!entry)
2468 return false;
Rakina Zata Amnif297a802022-01-18 03:53:432469
2470 if (entry->IsInitialEntryNotForSynchronousAboutBlank()) {
2471 // We should never navigate to an existing initial NavigationEntry that is
2472 // the initial NavigationEntry for the initial empty document that hasn't
2473 // been overridden by the synchronous about:blank commit, to preserve
2474 // legacy behavior where trying to reload when the main frame is on the
2475 // initial empty document won't result in a navigation. See also
2476 // https://crbug.com/1277414.
2477 return false;
2478 }
Tsuyoshi Horo52fd08e2020-07-07 07:03:452479 FrameNavigationEntry* frame_entry = entry->GetFrameEntry(frame_tree_node);
2480 if (!frame_entry)
2481 return false;
John Abd-El-Malek5b669132020-07-14 01:04:142482 ReloadType reload_type = ReloadType::NORMAL;
2483 entry->set_reload_type(reload_type);
Tsuyoshi Horo52fd08e2020-07-07 07:03:452484 std::unique_ptr<NavigationRequest> request = CreateNavigationRequestFromEntry(
John Abd-El-Malek5b669132020-07-14 01:04:142485 frame_tree_node, entry, frame_entry, reload_type,
Tsuyoshi Horo52fd08e2020-07-07 07:03:452486 false /* is_same_document_history_load */,
Nate Chapin45f620582021-09-30 17:45:432487 false /* is_history_navigation_in_new_child */,
2488 true /* is_browser_initiated */);
Tsuyoshi Horo52fd08e2020-07-07 07:03:452489 if (!request)
2490 return false;
Lukasz Anforowicz9ee83c272020-12-01 20:14:052491 frame_tree_node->navigator().Navigate(std::move(request), reload_type);
Tsuyoshi Horo52fd08e2020-07-07 07:03:452492 return true;
2493}
2494
Dave Tapuska8bfd84c2019-03-26 20:47:162495void NavigationControllerImpl::GoToOffsetInSandboxedFrame(
2496 int offset,
2497 int sandbox_frame_tree_node_id) {
2498 if (!CanGoToOffset(offset))
2499 return;
Nate Chapin45f620582021-09-30 17:45:432500 GoToIndex(GetIndexForOffset(offset), sandbox_frame_tree_node_id,
2501 false /* is_browser_initiated */);
Dave Tapuska8bfd84c2019-03-26 20:47:162502}
2503
clamy987a3752018-05-03 17:36:262504void NavigationControllerImpl::NavigateFromFrameProxy(
2505 RenderFrameHostImpl* render_frame_host,
2506 const GURL& url,
Chris Hamilton83272dc2021-02-23 00:24:022507 const blink::LocalFrameToken* initiator_frame_token,
Antonio Sartori9a82f6f32020-12-14 09:22:452508 int initiator_process_id,
Anton Bikineevf62d1bf2021-05-15 17:56:072509 const absl::optional<url::Origin>& initiator_origin,
clamy987a3752018-05-03 17:36:262510 bool is_renderer_initiated,
2511 SiteInstance* source_site_instance,
2512 const Referrer& referrer,
2513 ui::PageTransition page_transition,
2514 bool should_replace_current_entry,
Yeunjoo Choi3df791a2021-02-17 07:07:252515 blink::NavigationDownloadPolicy download_policy,
clamy987a3752018-05-03 17:36:262516 const std::string& method,
2517 scoped_refptr<network::ResourceRequestBody> post_body,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092518 const std::string& extra_headers,
Antonio Sartori2f763d9d2021-04-21 10:04:142519 network::mojom::SourceLocationPtr source_location,
John Delaney50425f82020-04-07 16:26:212520 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory,
Anton Bikineevf62d1bf2021-05-15 17:56:072521 const absl::optional<blink::Impression>& impression) {
Lukasz Anforowicz63f3b9432019-05-30 05:42:582522 if (is_renderer_initiated)
2523 DCHECK(initiator_origin.has_value());
2524
clamy987a3752018-05-03 17:36:262525 FrameTreeNode* node = render_frame_host->frame_tree_node();
Nasko Oskov18006bc2018-12-06 02:53:582526
clamy987a3752018-05-03 17:36:262527 // Create a NavigationEntry for the transfer, without making it the pending
2528 // entry. Subframe transfers should have a clone of the last committed entry
2529 // with a FrameNavigationEntry for the target frame. Main frame transfers
2530 // should have a new NavigationEntry.
2531 // TODO(creis): Make this unnecessary by creating (and validating) the params
2532 // directly, passing them to the destination RenderFrameHost. See
2533 // https://crbug.com/536906.
2534 std::unique_ptr<NavigationEntryImpl> entry;
Harkiran Bolariae1b5158b2021-09-16 19:03:262535 if (!render_frame_host->is_main_frame()) {
clamy987a3752018-05-03 17:36:262536 // Subframe case: create FrameNavigationEntry.
Rakina Zata Amniafd3c6582021-11-30 06:19:172537 CHECK(GetLastCommittedEntry());
2538 entry = GetLastCommittedEntry()->Clone();
2539 entry->set_extra_headers(extra_headers);
2540 // TODO(arthursonzogni): What about |is_renderer_initiated|?
2541 // Renderer-initiated navigation that target a remote frame are currently
2542 // classified as browser-initiated when this one has already navigated.
2543 // See https://crbug.com/722251.
Nate Chapin9f169072021-06-09 19:32:372544 // The UpdatePolicy doesn't matter here. |entry| is only used as a parameter
2545 // to CreateNavigationRequestFromLoadParams(), so while kReplace might
2546 // remove child FrameNavigationEntries (e.g., if this is a cross-process
2547 // same-document navigation), they will still be present in the
2548 // committed NavigationEntry that will be referenced to construct the new
2549 // FrameNavigationEntry tree when this navigation commits.
clamy987a3752018-05-03 17:36:262550 entry->AddOrUpdateFrameEntry(
Nate Chapinfbfe5af2021-06-10 17:22:082551 node, NavigationEntryImpl::UpdatePolicy::kReplace, -1, -1, "", nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582552 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Anton Bikineevf62d1bf2021-05-15 17:56:072553 absl::nullopt /* commit_origin */, referrer, initiator_origin,
Miyoung Shin5d77f72072020-10-09 15:14:202554 std::vector<GURL>(), blink::PageState(), method, -1,
Antonio Sartori78a749f2020-11-30 12:03:392555 blob_url_loader_factory, nullptr /* web_bundle_navigation_info */,
Kunihiko Sakamoto346a74e2021-03-10 08:57:482556 nullptr /* subresource_web_bundle_navigation_info */,
Antonio Sartori79d549d2021-02-18 12:59:542557 nullptr /* policy_container_policies */);
clamy987a3752018-05-03 17:36:262558 } else {
2559 // Main frame case.
2560 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz641234d52019-11-07 21:07:102561 url, referrer, initiator_origin, source_site_instance, page_transition,
2562 is_renderer_initiated, extra_headers, browser_context_,
Hayato Ito303654c2021-06-30 09:07:542563 blob_url_loader_factory));
clamy987a3752018-05-03 17:36:262564 entry->root_node()->frame_entry->set_source_site_instance(
2565 static_cast<SiteInstanceImpl*>(source_site_instance));
2566 entry->root_node()->frame_entry->set_method(method);
2567 }
clamy987a3752018-05-03 17:36:262568
Camille Lamy5193caa2018-10-12 11:59:422569 bool override_user_agent = false;
clamy987a3752018-05-03 17:36:262570 if (GetLastCommittedEntry() &&
2571 GetLastCommittedEntry()->GetIsOverridingUserAgent()) {
2572 entry->SetIsOverridingUserAgent(true);
Camille Lamy5193caa2018-10-12 11:59:422573 override_user_agent = true;
clamy987a3752018-05-03 17:36:262574 }
2575 // TODO(creis): Set user gesture and intent received timestamp on Android.
2576
2577 // We may not have successfully added the FrameNavigationEntry to |entry|
2578 // above (per https://crbug.com/608402), in which case we create it from
2579 // scratch. This works because we do not depend on |frame_entry| being inside
2580 // |entry| during NavigateToEntry. This will go away when we shortcut this
2581 // further in https://crbug.com/536906.
2582 scoped_refptr<FrameNavigationEntry> frame_entry(entry->GetFrameEntry(node));
2583 if (!frame_entry) {
Patrick Monette50e8bd82019-06-13 22:40:452584 frame_entry = base::MakeRefCounted<FrameNavigationEntry>(
Nate Chapinfbfe5af2021-06-10 17:22:082585 node->unique_name(), -1, -1, "", nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582586 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Anton Bikineevf62d1bf2021-05-15 17:56:072587 absl::nullopt /* origin */, referrer, initiator_origin,
Rakina Zata Amni3a1c0ec2021-04-15 03:35:122588 std::vector<GURL>(), blink::PageState(), method, -1,
2589 blob_url_loader_factory, nullptr /* web_bundle_navigation_info */,
Kunihiko Sakamoto346a74e2021-03-10 08:57:482590 nullptr /* subresource_web_bundle_navigation_info */,
Nate Chapin63db0d12022-01-20 22:03:302591 nullptr /* policy_container_policies */,
2592 false /* protect_url_in_app_history */);
clamy987a3752018-05-03 17:36:262593 }
2594
Camille Lamy5193caa2018-10-12 11:59:422595 LoadURLParams params(url);
Chris Hamilton83272dc2021-02-23 00:24:022596 params.initiator_frame_token = base::OptionalFromPtr(initiator_frame_token);
Antonio Sartori9a82f6f32020-12-14 09:22:452597 params.initiator_process_id = initiator_process_id;
Nasko Oskov93e7c55c2018-12-19 01:59:292598 params.initiator_origin = initiator_origin;
Camille Lamy5193caa2018-10-12 11:59:422599 params.source_site_instance = source_site_instance;
2600 params.load_type = method == "POST" ? LOAD_TYPE_HTTP_POST : LOAD_TYPE_DEFAULT;
2601 params.transition_type = page_transition;
Dominic Farolino226226af2019-06-25 00:58:032602 params.frame_tree_node_id = node->frame_tree_node_id();
Camille Lamy5193caa2018-10-12 11:59:422603 params.referrer = referrer;
2604 /* params.redirect_chain: skip */
2605 params.extra_headers = extra_headers;
2606 params.is_renderer_initiated = is_renderer_initiated;
2607 params.override_user_agent = UA_OVERRIDE_INHERIT;
2608 /* params.base_url_for_data_url: skip */
2609 /* params.virtual_url_for_data_url: skip */
2610 /* params.data_url_as_string: skip */
2611 params.post_data = post_body;
2612 params.can_load_local_resources = false;
Kevin McNeee60e76b2019-11-27 20:01:582613 /* params.should_replace_current_entry: skip */
Camille Lamy5193caa2018-10-12 11:59:422614 /* params.frame_name: skip */
2615 // TODO(clamy): See if user gesture should be propagated to this function.
2616 params.has_user_gesture = false;
2617 params.should_clear_history_list = false;
2618 params.started_from_context_menu = false;
2619 /* params.navigation_ui_data: skip */
2620 /* params.input_start: skip */
Minggang Wangf59db47b2021-06-16 01:56:222621 params.was_activated = blink::mojom::WasActivatedOption::kUnknown;
Robert Ogden011a8082019-01-23 19:04:542622 /* params.reload_type: skip */
John Delaney50425f82020-04-07 16:26:212623 params.impression = impression;
Antonio Sartori6984c742021-08-26 08:03:412624 params.download_policy = std::move(download_policy);
Camille Lamy5193caa2018-10-12 11:59:422625
2626 std::unique_ptr<NavigationRequest> request =
2627 CreateNavigationRequestFromLoadParams(
Dominic Farolino226226af2019-06-25 00:58:032628 node, params, override_user_agent, should_replace_current_entry,
Antonio Sartori2f763d9d2021-04-21 10:04:142629 false /* has_user_gesture */, std::move(source_location),
Antonio Sartori6984c742021-08-26 08:03:412630 ReloadType::NONE, entry.get(), frame_entry.get());
clamyea99ea12018-05-28 13:54:232631
2632 if (!request)
2633 return;
2634
Arthur Hemery948742762019-09-18 10:06:242635 // At this stage we are proceeding with this navigation. If this was renderer
2636 // initiated with user gesture, we need to make sure we clear up potential
2637 // remains of a cancelled browser initiated navigation to avoid URL spoofs.
2638 DiscardNonCommittedEntries();
2639
Lukasz Anforowicz9ee83c272020-12-01 20:14:052640 node->navigator().Navigate(std::move(request), ReloadType::NONE);
clamy987a3752018-05-03 17:36:262641}
2642
[email protected]d1198fd2012-08-13 22:50:192643void NavigationControllerImpl::SetSessionStorageNamespace(
Aaron Colwellf3b316e2021-03-11 20:17:052644 const StoragePartitionId& partition_id,
[email protected]8ff00d72012-10-23 19:12:212645 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:192646 if (!session_storage_namespace)
2647 return;
2648
2649 // We can't overwrite an existing SessionStorage without violating spec.
2650 // Attempts to do so may give a tab access to another tab's session storage
2651 // so die hard on an error.
Aran Gilman37d11632019-10-08 23:07:152652 bool successful_insert =
2653 session_storage_namespace_map_
Aaron Colwellf3b316e2021-03-11 20:17:052654 .insert(std::make_pair(partition_id,
2655 static_cast<SessionStorageNamespaceImpl*>(
2656 session_storage_namespace)))
[email protected]fdac6ade2013-07-20 01:06:302657 .second;
2658 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
Aaron Colwellb731a0ae2021-03-19 19:14:472659 OnStoragePartitionIdAdded(partition_id);
[email protected]d1198fd2012-08-13 22:50:192660}
2661
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572662bool NavigationControllerImpl::IsUnmodifiedBlankTab() {
Rakina Zata Amniafd3c6582021-11-30 06:19:172663 return IsInitialNavigation() && GetLastCommittedEntry()->IsInitialEntry() &&
Carlos Caballeroede6f8c2021-01-28 11:01:502664 !frame_tree_.has_accessed_initial_main_document();
[email protected]aa62afd2014-04-22 19:22:462665}
2666
Aran Gilman37d11632019-10-08 23:07:152667SessionStorageNamespace* NavigationControllerImpl::GetSessionStorageNamespace(
Aaron Colwell78b4bde2021-03-16 16:16:092668 const SiteInfo& site_info) {
2669 // TODO(acolwell): Remove partition_id logic once we have successfully
2670 // migrated the implementation to be a StoragePartitionConfig. At that point
2671 // |site_info| can be replaced with a StoragePartitionConfig.
2672 const StoragePartitionId partition_id =
2673 site_info.GetStoragePartitionId(browser_context_);
2674 const StoragePartitionConfig partition_config =
Robbie McElrath7d4bd852021-07-24 04:02:192675 site_info.storage_partition_config();
[email protected]d1198fd2012-08-13 22:50:192676
[email protected]fdac6ade2013-07-20 01:06:302677 StoragePartition* partition =
Lukasz Anforowiczb9a969a2021-04-29 15:26:252678 browser_context_->GetStoragePartition(partition_config);
michaelnbacbcbd2016-02-09 00:32:032679 DOMStorageContextWrapper* context_wrapper =
2680 static_cast<DOMStorageContextWrapper*>(partition->GetDOMStorageContext());
2681
2682 SessionStorageNamespaceMap::const_iterator it =
2683 session_storage_namespace_map_.find(partition_id);
2684 if (it != session_storage_namespace_map_.end()) {
2685 // Ensure that this namespace actually belongs to this partition.
Aran Gilman37d11632019-10-08 23:07:152686 DCHECK(static_cast<SessionStorageNamespaceImpl*>(it->second.get())
2687 ->IsFromContext(context_wrapper));
Aaron Colwellb731a0ae2021-03-19 19:14:472688
2689 // Verify that the config we generated now matches the one that
2690 // was generated when the namespace was added to the map.
Aaron Colwellb731a0ae2021-03-19 19:14:472691 if (partition_config != it->first.config()) {
2692 LogStoragePartitionIdCrashKeys(it->first, partition_id);
2693 }
Sharon Yangd4f48792021-06-30 17:02:532694 CHECK_EQ(partition_config, it->first.config());
Aaron Colwellb731a0ae2021-03-19 19:14:472695
michaelnbacbcbd2016-02-09 00:32:032696 return it->second.get();
2697 }
2698
2699 // Create one if no one has accessed session storage for this partition yet.
Daniel Murphy31bbb8b12018-02-07 21:44:102700 scoped_refptr<SessionStorageNamespaceImpl> session_storage_namespace =
2701 SessionStorageNamespaceImpl::Create(context_wrapper);
2702 SessionStorageNamespaceImpl* session_storage_namespace_ptr =
2703 session_storage_namespace.get();
2704 session_storage_namespace_map_[partition_id] =
2705 std::move(session_storage_namespace);
Aaron Colwellb731a0ae2021-03-19 19:14:472706 OnStoragePartitionIdAdded(partition_id);
[email protected]fdac6ade2013-07-20 01:06:302707
Daniel Murphy31bbb8b12018-02-07 21:44:102708 return session_storage_namespace_ptr;
[email protected]fdac6ade2013-07-20 01:06:302709}
2710
2711SessionStorageNamespace*
2712NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
Robbie McElrath7d4bd852021-07-24 04:02:192713 return GetSessionStorageNamespace(SiteInfo(GetBrowserContext()));
[email protected]fdac6ade2013-07-20 01:06:302714}
2715
2716const SessionStorageNamespaceMap&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572717NavigationControllerImpl::GetSessionStorageNamespaceMap() {
[email protected]fdac6ade2013-07-20 01:06:302718 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:552719}
[email protected]d202a7c2012-01-04 07:53:472720
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572721bool NavigationControllerImpl::NeedsReload() {
[email protected]71fde352011-12-29 03:29:562722 return needs_reload_;
2723}
[email protected]a26023822011-12-29 00:23:552724
[email protected]46bb5e9c2013-10-03 22:16:472725void NavigationControllerImpl::SetNeedsReload() {
Alex Moshchuk7b4f0652019-05-30 18:54:412726 SetNeedsReload(NeedsReloadType::kRequestedByClient);
2727}
2728
2729void NavigationControllerImpl::SetNeedsReload(NeedsReloadType type) {
[email protected]46bb5e9c2013-10-03 22:16:472730 needs_reload_ = true;
Alex Moshchuk7b4f0652019-05-30 18:54:412731 needs_reload_type_ = type;
jaekyunc8cefa82015-01-09 20:14:542732
2733 if (last_committed_entry_index_ != -1) {
2734 entries_[last_committed_entry_index_]->SetTransitionType(
2735 ui::PAGE_TRANSITION_RELOAD);
2736 }
[email protected]46bb5e9c2013-10-03 22:16:472737}
2738
[email protected]d202a7c2012-01-04 07:53:472739void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
Kevin McNee05164772019-09-03 17:24:572740 DCHECK_LT(index, GetEntryCount());
2741 DCHECK_NE(index, last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:312742 DiscardNonCommittedEntries();
2743
2744 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:122745 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:312746 last_committed_entry_index_--;
2747}
2748
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572749NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() {
arthursonzogni5c4c202d2017-04-25 23:41:272750 // If there is no pending_entry_, there should be no pending_entry_index_.
2751 DCHECK(pending_entry_ || pending_entry_index_ == -1);
2752
2753 // If there is a pending_entry_index_, then pending_entry_ must be the entry
Carlos IL42b416592019-10-07 23:10:362754 // at that index. An exception is while a reload of a post commit error page
2755 // is ongoing; in that case pending entry will point to the entry replaced
2756 // by the error.
arthursonzogni5c4c202d2017-04-25 23:41:272757 DCHECK(pending_entry_index_ == -1 ||
Carlos IL42b416592019-10-07 23:10:362758 pending_entry_ == GetEntryAtIndex(pending_entry_index_) ||
2759 pending_entry_ == entry_replaced_by_post_commit_error_.get());
arthursonzogni5c4c202d2017-04-25 23:41:272760
[email protected]022af742011-12-28 18:37:252761 return pending_entry_;
2762}
2763
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572764int NavigationControllerImpl::GetPendingEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:272765 // The pending entry index must always be less than the number of entries.
arthursonzogni5c4c202d2017-04-25 23:41:272766 DCHECK_LT(pending_entry_index_, GetEntryCount());
[email protected]a26023822011-12-29 00:23:552767 return pending_entry_index_;
2768}
2769
avi25764702015-06-23 15:43:372770void NavigationControllerImpl::InsertOrReplaceEntry(
dcheng9bfa5162016-04-09 01:00:572771 std::unique_ptr<NavigationEntryImpl> entry,
Carlos IL42b416592019-10-07 23:10:362772 bool replace,
Dave Tapuska87696ae2021-11-18 18:48:312773 bool was_post_commit_error,
Rakina Zata Amnia4e27222021-12-22 01:05:002774 bool in_fenced_frame_tree,
2775 LoadCommittedDetails* commit_details) {
Dave Tapuska87696ae2021-11-18 18:48:312776 // Fenced frame trees should always have `ui::PAGE_TRANSITION_AUTO_SUBFRAME`
2777 // set because:
2778 // 1) They don't influence the history of the outer page.
2779 // 2) They are always replace only navigation (there is always only one entry
2780 // in their history stack).
2781 // 3) Are not top level navigations and appear similar to iframes.
2782 // Navigations of the fenced frame might create a new NavigationEntry, which
2783 // will call this function. Non fenced frame navigations will never have
2784 // `ui::PAGE_TRANSITION_AUTO_SUBFRAME` because they won't call
2785 // InsertOrReplaceEntry.
2786 DCHECK_EQ(in_fenced_frame_tree,
2787 ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
2788 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
[email protected]765b35502008-08-21 00:51:202789
avi5cad4912015-06-19 05:25:442790 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
2791 // need to keep continuity with the pending entry, so copy the pending entry's
2792 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
2793 // then the renderer navigated on its own, independent of the pending entry,
2794 // so don't copy anything.
2795 if (pending_entry_ && pending_entry_index_ == -1)
2796 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:202797
Rakina Zata Amnia4e27222021-12-22 01:05:002798 DiscardNonCommittedEntriesWithCommitDetails(commit_details);
[email protected]765b35502008-08-21 00:51:202799
creisee17e932015-07-17 17:56:222800 // When replacing, don't prune the forward history.
Carlos IL42b416592019-10-07 23:10:362801 if ((replace || was_post_commit_error) && entries_.size() > 0) {
Mikel Astizba9cf2fd2017-12-17 10:38:102802 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572803 entries_[last_committed_entry_index_].get(), entry.get());
Carlos IL42b416592019-10-07 23:10:362804 // If the new entry is a post-commit error page, we store the current last
2805 // committed entry to the side so that we can put it back when navigating
2806 // away from the error.
2807 if (was_post_commit_error) {
2808 DCHECK(!entry_replaced_by_post_commit_error_);
2809 entry_replaced_by_post_commit_error_ =
2810 std::move(entries_[last_committed_entry_index_]);
2811 }
dcheng36b6aec92015-12-26 06:16:362812 entries_[last_committed_entry_index_] = std::move(entry);
creisee17e932015-07-17 17:56:222813 return;
2814 }
[email protected]765b35502008-08-21 00:51:202815
creis37979a62015-08-04 19:48:182816 // We shouldn't see replace == true when there's no committed entries.
2817 DCHECK(!replace);
2818
Michael Thiessen9b14d512019-09-23 21:19:472819 PruneForwardEntries();
[email protected]765b35502008-08-21 00:51:202820
Shivani Sharmad8c8d652019-02-13 17:27:572821 PruneOldestSkippableEntryIfFull();
[email protected]765b35502008-08-21 00:51:202822
dcheng36b6aec92015-12-26 06:16:362823 entries_.push_back(std::move(entry));
[email protected]765b35502008-08-21 00:51:202824 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
initial.commit09911bf2008-07-26 23:55:292825}
2826
Shivani Sharmad8c8d652019-02-13 17:27:572827void NavigationControllerImpl::PruneOldestSkippableEntryIfFull() {
Shivani Sharma2d5b4b6b2019-01-08 16:07:162828 if (entries_.size() < max_entry_count())
2829 return;
2830
2831 DCHECK_EQ(max_entry_count(), entries_.size());
2832 DCHECK_GT(last_committed_entry_index_, 0);
Shivani Sharmad8c8d652019-02-13 17:27:572833 CHECK_EQ(pending_entry_index_, -1);
2834
2835 int index = 0;
Elly Fong-Jonesccc6d1f2021-06-14 18:32:422836 // Retrieve the oldest skippable entry.
2837 for (; index < GetEntryCount(); index++) {
2838 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
2839 break;
Shivani Sharmad8c8d652019-02-13 17:27:572840 }
2841
2842 // If there is no skippable entry or if it is the last committed entry then
2843 // fall back to pruning the oldest entry. It is not safe to prune the last
2844 // committed entry.
2845 if (index == GetEntryCount() || index == last_committed_entry_index_)
2846 index = 0;
2847
2848 bool should_succeed = RemoveEntryAtIndex(index);
2849 DCHECK_EQ(true, should_succeed);
2850
2851 NotifyPrunedEntries(this, index, 1);
[email protected]944822b2012-03-02 20:57:252852}
2853
clamy3cb9bea92018-07-10 12:42:022854void NavigationControllerImpl::NavigateToExistingPendingEntry(
Dave Tapuska8bfd84c2019-03-26 20:47:162855 ReloadType reload_type,
Nate Chapin45f620582021-09-30 17:45:432856 int sandboxed_source_frame_tree_node_id,
2857 bool is_browser_initiated) {
Alexander Timin3a92df72019-09-20 11:59:502858 TRACE_EVENT0("navigation",
2859 "NavigationControllerImpl::NavigateToExistingPendingEntry");
arthursonzogni5c4c202d2017-04-25 23:41:272860 DCHECK(pending_entry_);
clamy3cb9bea92018-07-10 12:42:022861 DCHECK(IsInitialNavigation() || pending_entry_index_ != -1);
Carlos IL42b416592019-10-07 23:10:362862 if (pending_entry_index_ != -1) {
2863 // The pending entry may not be in entries_ if a post-commit error page is
2864 // showing.
2865 DCHECK(pending_entry_ == entries_[pending_entry_index_].get() ||
2866 pending_entry_ == entry_replaced_by_post_commit_error_.get());
2867 }
Gyuyoung Kim107c2a02021-04-13 01:49:302868 DCHECK(!blink::IsRendererDebugURL(pending_entry_->GetURL()));
Alex Moshchuk3a4e77a2020-05-29 21:32:572869 bool is_forced_reload = needs_reload_;
[email protected]72097fd02010-01-21 23:36:012870 needs_reload_ = false;
Carlos Caballero40b0efd2021-01-26 11:55:002871 FrameTreeNode* root = frame_tree_.root();
Arthur Sonzogni620cec62018-12-13 13:08:572872 int nav_entry_id = pending_entry_->GetUniqueID();
2873
[email protected]83c2e232011-10-07 21:36:462874 // If we were navigating to a slow-to-commit page, and the user performs
2875 // a session history navigation to the last committed page, RenderViewHost
2876 // will force the throbber to start, but WebKit will essentially ignore the
2877 // navigation, and won't send a message to stop the throbber. To prevent this
2878 // from happening, we drop the navigation here and stop the slow-to-commit
2879 // page from loading (which would normally happen during the navigation).
clamy3cb9bea92018-07-10 12:42:022880 if (pending_entry_index_ == last_committed_entry_index_ &&
Lukasz Anforowicz6b75c0d2020-12-01 22:56:082881 !pending_entry_->IsRestored() &&
arthursonzogni5c4c202d2017-04-25 23:41:272882 pending_entry_->GetTransitionType() & ui::PAGE_TRANSITION_FORWARD_BACK) {
Takashi Toyoshimabf549472021-07-01 07:47:202883 frame_tree_.StopLoading();
[email protected]6a13a6c2011-12-20 21:47:122884
[email protected]83c2e232011-10-07 21:36:462885 DiscardNonCommittedEntries();
2886 return;
2887 }
2888
creisce0ef3572017-01-26 17:53:082889 // Compare FrameNavigationEntries to see which frames in the tree need to be
2890 // navigated.
clamy3cb9bea92018-07-10 12:42:022891 std::vector<std::unique_ptr<NavigationRequest>> same_document_loads;
2892 std::vector<std::unique_ptr<NavigationRequest>> different_document_loads;
Nate Chapin45f620582021-09-30 17:45:432893 FindFramesToNavigate(root, reload_type, is_browser_initiated,
2894 &same_document_loads, &different_document_loads);
creis4e2ecb72015-06-20 00:46:302895
2896 if (same_document_loads.empty() && different_document_loads.empty()) {
Alex Moshchuk3a4e77a2020-05-29 21:32:572897 // We were unable to match any frames to navigate. This can happen if a
2898 // history navigation targets a subframe that no longer exists
2899 // (https://crbug.com/705550). In this case, we need to update the current
2900 // history entry to the pending one but keep the main document loaded. We
2901 // also need to ensure that observers are informed about the updated
2902 // current history entry (e.g., for greying out back/forward buttons), and
2903 // that renderer processes update their history offsets. The easiest way
2904 // to do all that is to schedule a "redundant" same-document navigation in
2905 // the main frame.
2906 //
2907 // Note that we don't want to remove this history entry, as it might still
2908 // be valid later, since a frame that it's targeting may be recreated.
2909 //
2910 // TODO(alexmos, creis): This behavior isn't ideal, as the user would
2911 // need to repeat history navigations until finding the one that works.
2912 // Consider changing this behavior to keep looking for the first valid
2913 // history entry that finds frames to navigate.
clamy3cb9bea92018-07-10 12:42:022914 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422915 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572916 root, pending_entry_, pending_entry_->GetFrameEntry(root),
Alex Moshchuk3a4e77a2020-05-29 21:32:572917 ReloadType::NONE /* reload_type */,
2918 true /* is_same_document_history_load */,
Nate Chapin45f620582021-09-30 17:45:432919 false /* is_history_navigation_in_new_child */,
2920 is_browser_initiated);
clamy3cb9bea92018-07-10 12:42:022921 if (!navigation_request) {
Alex Moshchuk3a4e77a2020-05-29 21:32:572922 // If this navigation cannot start, delete the pending NavigationEntry.
clamy3cb9bea92018-07-10 12:42:022923 DiscardPendingEntry(false);
2924 return;
2925 }
Alex Moshchuk3a4e77a2020-05-29 21:32:572926 same_document_loads.push_back(std::move(navigation_request));
2927
2928 // Sanity check that we never take this branch for any kinds of reloads,
2929 // as those should've queued a different-document load in the main frame.
2930 DCHECK(!is_forced_reload);
2931 DCHECK_EQ(reload_type, ReloadType::NONE);
creis4e2ecb72015-06-20 00:46:302932 }
2933
Dave Tapuska8bfd84c2019-03-26 20:47:162934 // If |sandboxed_source_frame_node_id| is valid, then track whether this
2935 // navigation affects any frame outside the frame's subtree.
2936 if (sandboxed_source_frame_tree_node_id !=
2937 FrameTreeNode::kFrameTreeNodeInvalidId) {
2938 bool navigates_inside_tree =
2939 DoesSandboxNavigationStayWithinSubtree(
2940 sandboxed_source_frame_tree_node_id, same_document_loads) &&
2941 DoesSandboxNavigationStayWithinSubtree(
2942 sandboxed_source_frame_tree_node_id, different_document_loads);
Dave Tapuska716ed3af2019-09-23 18:45:502943 // Count the navigations as web use counters so we can determine
Dave Tapuska8bfd84c2019-03-26 20:47:162944 // the number of pages that trigger this.
2945 FrameTreeNode* sandbox_source_frame_tree_node =
2946 FrameTreeNode::GloballyFindByID(sandboxed_source_frame_tree_node_id);
2947 if (sandbox_source_frame_tree_node) {
2948 GetContentClient()->browser()->LogWebFeatureForCurrentPage(
2949 sandbox_source_frame_tree_node->current_frame_host(),
2950 navigates_inside_tree
2951 ? blink::mojom::WebFeature::kSandboxBackForwardStaysWithinSubtree
2952 : blink::mojom::WebFeature::
2953 kSandboxBackForwardAffectsFramesOutsideSubtree);
2954 }
Dave Tapuska855c1e12019-08-23 20:45:522955
2956 // If the navigation occurred outside the tree discard it because
2957 // the sandboxed frame didn't have permission to navigate outside
2958 // its tree. If it is possible that the navigation is both inside and
2959 // outside the frame tree and we discard it entirely because we don't
2960 // want to end up in a history state that didn't exist before.
Dominic Farolino057440042022-01-19 18:18:142961 if (!navigates_inside_tree) {
Dave Tapuska855c1e12019-08-23 20:45:522962 DiscardPendingEntry(false);
2963 return;
2964 }
Dave Tapuska8bfd84c2019-03-26 20:47:162965 }
2966
Carlos Caballero539a421c2020-07-06 10:25:572967 // BackForwardCache:
2968 // Navigate immediately if the document is in the BackForwardCache.
2969 if (back_forward_cache_.GetEntry(nav_entry_id)) {
2970 TRACE_EVENT0("navigation", "BackForwardCache_CreateNavigationRequest");
2971 DCHECK_EQ(reload_type, ReloadType::NONE);
2972 auto navigation_request = CreateNavigationRequestFromEntry(
2973 root, pending_entry_, pending_entry_->GetFrameEntry(root),
2974 ReloadType::NONE, false /* is_same_document_history_load */,
Nate Chapin45f620582021-09-30 17:45:432975 false /* is_history_navigation_in_new_child */, is_browser_initiated);
Lukasz Anforowicz9ee83c272020-12-01 20:14:052976 root->navigator().Navigate(std::move(navigation_request), ReloadType::NONE);
Carlos Caballero539a421c2020-07-06 10:25:572977
2978 return;
2979 }
2980
2981 // History navigation might try to reuse a specific BrowsingInstance, already
2982 // used by a page in the cache. To avoid having two different main frames that
2983 // live in the same BrowsingInstance, evict the all pages with this
2984 // BrowsingInstance from the cache.
2985 //
2986 // For example, take the following scenario:
2987 //
2988 // A1 = Some page on a.com
2989 // A2 = Some other page on a.com
2990 // B3 = An uncacheable page on b.com
2991 //
2992 // Then the following navigations occur:
2993 // A1->A2->B3->A1
2994 // On the navigation from B3 to A1, A2 will remain in the cache (B3 doesn't
2995 // take its place) and A1 will be created in the same BrowsingInstance (and
2996 // SiteInstance), as A2.
2997 //
2998 // If we didn't do anything, both A1 and A2 would remain alive in the same
2999 // BrowsingInstance/SiteInstance, which is unsupported by
3000 // RenderFrameHostManager::CommitPending(). To avoid this conundrum, we evict
3001 // A2 from the cache.
3002 if (pending_entry_->site_instance()) {
3003 back_forward_cache_.EvictFramesInRelatedSiteInstances(
3004 pending_entry_->site_instance());
3005 }
3006
clamy3cb9bea92018-07-10 12:42:023007 // This call does not support re-entrancy. See http://crbug.com/347742.
3008 CHECK(!in_navigate_to_pending_entry_);
3009 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:303010
arthursonzogni66f711c2019-10-08 14:40:363011 // It is not possible to delete the pending NavigationEntry while navigating
3012 // to it. Grab a reference to delay potential deletion until the end of this
3013 // function.
3014 std::unique_ptr<PendingEntryRef> pending_entry_ref = ReferencePendingEntry();
3015
creis4e2ecb72015-06-20 00:46:303016 // Send all the same document frame loads before the different document loads.
clamy3cb9bea92018-07-10 12:42:023017 for (auto& item : same_document_loads) {
3018 FrameTreeNode* frame = item->frame_tree_node();
Lukasz Anforowicz9ee83c272020-12-01 20:14:053019 frame->navigator().Navigate(std::move(item), reload_type);
creis4e2ecb72015-06-20 00:46:303020 }
clamy3cb9bea92018-07-10 12:42:023021 for (auto& item : different_document_loads) {
3022 FrameTreeNode* frame = item->frame_tree_node();
Lukasz Anforowicz9ee83c272020-12-01 20:14:053023 frame->navigator().Navigate(std::move(item), reload_type);
creis4e2ecb72015-06-20 00:46:303024 }
clamy3cb9bea92018-07-10 12:42:023025
3026 in_navigate_to_pending_entry_ = false;
creis4e2ecb72015-06-20 00:46:303027}
3028
Alex Moshchuk3a4e77a2020-05-29 21:32:573029NavigationControllerImpl::HistoryNavigationAction
3030NavigationControllerImpl::DetermineActionForHistoryNavigation(
creis4e2ecb72015-06-20 00:46:303031 FrameTreeNode* frame,
Alex Moshchuk3a4e77a2020-05-29 21:32:573032 ReloadType reload_type) {
Sreeja Kamishetty8eacabb2021-03-09 11:45:423033 RenderFrameHostImpl* render_frame_host = frame->current_frame_host();
Sreeja Kamishettydb8e2892021-03-10 09:30:583034 // Only active and prerendered documents are allowed to navigate in their
3035 // frame.
Sreeja Kamishetty8eacabb2021-03-09 11:45:423036 if (render_frame_host->lifecycle_state() !=
Sreeja Kamishetty299329ad2021-03-25 14:06:013037 RenderFrameHostImpl::LifecycleStateImpl::kPrerendering) {
Sreeja Kamishettydb8e2892021-03-10 09:30:583038 // - If the document is in pending deletion, the browser already committed
3039 // to destroying this RenderFrameHost. See https://crbug.com/930278.
3040 // - If the document is in back-forward cache, it's not allowed to navigate
3041 // as it should remain frozen. Ignore the request and evict the document
3042 // from back-forward cache.
Sreeja Kamishetty8eacabb2021-03-09 11:45:423043 //
Sreeja Kamishettydb8e2892021-03-10 09:30:583044 // If the document is inactive, there's no need to recurse into subframes,
Sreeja Kamishetty8eacabb2021-03-09 11:45:423045 // which should all be inactive as well.
Fergal Daly1336ac642021-09-14 15:13:113046 if (frame->current_frame_host()->IsInactiveAndDisallowActivation(
3047 DisallowActivationReasonId::kDetermineActionForHistoryNavigation)) {
Sreeja Kamishetty8eacabb2021-03-09 11:45:423048 return HistoryNavigationAction::kStopLooking;
Fergal Daly1336ac642021-09-14 15:13:113049 }
Sreeja Kamishetty8eacabb2021-03-09 11:45:423050 }
arthursonzogni03f76152019-02-12 10:35:203051
Alex Moshchuk3a4e77a2020-05-29 21:32:573052 // If there's no last committed entry, there is no previous history entry to
3053 // compare against, so fall back to a different-document load. Note that we
3054 // should only reach this case for the root frame and not descend further
3055 // into subframes.
3056 if (!GetLastCommittedEntry()) {
3057 DCHECK(frame->IsMainFrame());
3058 return HistoryNavigationAction::kDifferentDocument;
3059 }
3060
3061 // Reloads should result in a different-document load. Note that reloads may
3062 // also happen via the |needs_reload_| mechanism where the reload_type is
3063 // NONE, so detect this by comparing whether we're going to the same
3064 // entry that we're currently on. Similarly to above, only main frames
3065 // should reach this. Note that subframes support reloads, but that's done
3066 // via a different path that doesn't involve FindFramesToNavigate (see
3067 // RenderFrameHost::Reload()).
3068 if (reload_type != ReloadType::NONE ||
3069 pending_entry_index_ == last_committed_entry_index_) {
3070 DCHECK(frame->IsMainFrame());
3071 return HistoryNavigationAction::kDifferentDocument;
3072 }
3073
Alex Moshchuk47d1a4bd2020-06-01 22:15:343074 // If there is no new FrameNavigationEntry for the frame, ignore the
3075 // load. For example, this may happen when going back to an entry before a
3076 // frame was created. Suppose we commit a same-document navigation that also
3077 // results in adding a new subframe somewhere in the tree. If we go back,
3078 // the new subframe will be missing a FrameNavigationEntry in the previous
3079 // NavigationEntry, but we shouldn't delete or change what's loaded in
3080 // it.
3081 //
Alex Moshchuke65c39272020-06-03 17:55:373082 // Note that in this case, there is no need to keep looking for navigations
3083 // in subframes, which would be missing FrameNavigationEntries as well.
3084 //
Alex Moshchuk47d1a4bd2020-06-01 22:15:343085 // It's important to check this before checking |old_item| below, since both
3086 // might be null, and in that case we still shouldn't change what's loaded in
3087 // this frame. Note that scheduling any loads assumes that |new_item| is
3088 // non-null. See https://crbug.com/1088354.
3089 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
3090 if (!new_item)
Alex Moshchuke65c39272020-06-03 17:55:373091 return HistoryNavigationAction::kStopLooking;
Alex Moshchuk47d1a4bd2020-06-01 22:15:343092
Alex Moshchuk3a4e77a2020-05-29 21:32:573093 // If there is no old FrameNavigationEntry, schedule a different-document
3094 // load.
3095 //
creis225a7432016-06-03 22:56:273096 // TODO(creis): Store the last committed FrameNavigationEntry to use here,
3097 // rather than assuming the NavigationEntry has up to date info on subframes.
creis4e2ecb72015-06-20 00:46:303098 FrameNavigationEntry* old_item =
3099 GetLastCommittedEntry()->GetFrameEntry(frame);
Alex Moshchuk3a4e77a2020-05-29 21:32:573100 if (!old_item)
3101 return HistoryNavigationAction::kDifferentDocument;
3102
Alex Moshchuk3a4e77a2020-05-29 21:32:573103 // If the new item is not in the same SiteInstance, schedule a
3104 // different-document load. Newly restored items may not have a SiteInstance
3105 // yet, in which case it will be assigned on first commit.
3106 if (new_item->site_instance() &&
3107 new_item->site_instance() != old_item->site_instance())
3108 return HistoryNavigationAction::kDifferentDocument;
3109
3110 // Schedule a different-document load if the current RenderFrameHost is not
danakj25c436d2021-04-01 16:35:313111 // live. This case can happen for Ctrl+Back or after a renderer crash. Note
3112 // that we do this even if the history navigation would not be modifying this
3113 // frame were it live.
3114 if (!frame->current_frame_host()->IsRenderFrameLive())
Alex Moshchuk3a4e77a2020-05-29 21:32:573115 return HistoryNavigationAction::kDifferentDocument;
3116
3117 if (new_item->item_sequence_number() != old_item->item_sequence_number()) {
danakj25c436d2021-04-01 16:35:313118 // Starting a navigation after a crash early-promotes the speculative
3119 // RenderFrameHost. Then we have a RenderFrameHost with no document in it
3120 // committed yet, so we can not possibly perform a same-document history
3121 // navigation. The frame would need to be reloaded with a cross-document
3122 // navigation.
3123 if (!frame->current_frame_host()->has_committed_any_navigation())
3124 return HistoryNavigationAction::kDifferentDocument;
3125
creis54131692016-08-12 18:32:253126 // Same document loads happen if the previous item has the same document
danakjb952ef12021-01-14 19:58:493127 // sequence number but different item sequence number.
3128 if (new_item->document_sequence_number() ==
3129 old_item->document_sequence_number()) {
Alex Moshchuk3a4e77a2020-05-29 21:32:573130 return HistoryNavigationAction::kSameDocument;
danakjb952ef12021-01-14 19:58:493131 }
avib48cb312016-05-05 21:35:003132
Alex Moshchuk3a4e77a2020-05-29 21:32:573133 // Otherwise, if both item and document sequence numbers differ, this
3134 // should be a different document load.
3135 return HistoryNavigationAction::kDifferentDocument;
3136 }
3137
3138 // If the item sequence numbers match, there is no need to navigate this
Alex Moshchuke65c39272020-06-03 17:55:373139 // frame. Keep looking for navigations in this frame's children.
Alex Moshchuk3a4e77a2020-05-29 21:32:573140 DCHECK_EQ(new_item->document_sequence_number(),
3141 old_item->document_sequence_number());
Alex Moshchuke65c39272020-06-03 17:55:373142 return HistoryNavigationAction::kKeepLooking;
Alex Moshchuk3a4e77a2020-05-29 21:32:573143}
3144
3145void NavigationControllerImpl::FindFramesToNavigate(
3146 FrameTreeNode* frame,
3147 ReloadType reload_type,
Nate Chapin45f620582021-09-30 17:45:433148 bool is_browser_initiated,
Alex Moshchuk3a4e77a2020-05-29 21:32:573149 std::vector<std::unique_ptr<NavigationRequest>>* same_document_loads,
3150 std::vector<std::unique_ptr<NavigationRequest>>* different_document_loads) {
3151 DCHECK(pending_entry_);
3152 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
3153
3154 auto action = DetermineActionForHistoryNavigation(frame, reload_type);
3155
3156 if (action == HistoryNavigationAction::kSameDocument) {
3157 std::unique_ptr<NavigationRequest> navigation_request =
3158 CreateNavigationRequestFromEntry(
3159 frame, pending_entry_, new_item, reload_type,
3160 true /* is_same_document_history_load */,
Nate Chapin45f620582021-09-30 17:45:433161 false /* is_history_navigation_in_new_child */,
3162 is_browser_initiated);
Alex Moshchuk3a4e77a2020-05-29 21:32:573163 if (navigation_request) {
3164 // Only add the request if was properly created. It's possible for the
3165 // creation to fail in certain cases, e.g. when the URL is invalid.
3166 same_document_loads->push_back(std::move(navigation_request));
creis4e2ecb72015-06-20 00:46:303167 }
Alex Moshchuk3a4e77a2020-05-29 21:32:573168 } else if (action == HistoryNavigationAction::kDifferentDocument) {
Lei Zhang96031532019-10-10 19:05:473169 std::unique_ptr<NavigationRequest> navigation_request =
3170 CreateNavigationRequestFromEntry(
3171 frame, pending_entry_, new_item, reload_type,
3172 false /* is_same_document_history_load */,
Nate Chapin45f620582021-09-30 17:45:433173 false /* is_history_navigation_in_new_child */,
3174 is_browser_initiated);
Lei Zhang96031532019-10-10 19:05:473175 if (navigation_request) {
3176 // Only add the request if was properly created. It's possible for the
3177 // creation to fail in certain cases, e.g. when the URL is invalid.
3178 different_document_loads->push_back(std::move(navigation_request));
3179 }
3180 // For a different document, the subframes will be destroyed, so there's
3181 // no need to consider them.
3182 return;
Alex Moshchuke65c39272020-06-03 17:55:373183 } else if (action == HistoryNavigationAction::kStopLooking) {
3184 return;
creis4e2ecb72015-06-20 00:46:303185 }
3186
3187 for (size_t i = 0; i < frame->child_count(); i++) {
Nate Chapin45f620582021-09-30 17:45:433188 FindFramesToNavigate(frame->child_at(i), reload_type, is_browser_initiated,
3189 same_document_loads, different_document_loads);
creis4e2ecb72015-06-20 00:46:303190 }
3191}
3192
Harkiran Bolariaba823e42021-05-21 18:30:363193base::WeakPtr<NavigationHandle> NavigationControllerImpl::NavigateWithoutEntry(
clamy21718cc22018-06-13 13:34:243194 const LoadURLParams& params) {
3195 // Find the appropriate FrameTreeNode.
3196 FrameTreeNode* node = nullptr;
3197 if (params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId ||
3198 !params.frame_name.empty()) {
3199 node = params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId
Carlos Caballero40b0efd2021-01-26 11:55:003200 ? frame_tree_.FindByID(params.frame_tree_node_id)
3201 : frame_tree_.FindByName(params.frame_name);
Hayato Ito7a80db42021-07-05 06:18:543202 DCHECK(!node || node->frame_tree() == &frame_tree_);
clamy21718cc22018-06-13 13:34:243203 }
3204
3205 // If no FrameTreeNode was specified, navigate the main frame.
3206 if (!node)
Carlos Caballero40b0efd2021-01-26 11:55:003207 node = frame_tree_.root();
clamy21718cc22018-06-13 13:34:243208
Camille Lamy5193caa2018-10-12 11:59:423209 // Compute overrides to the LoadURLParams for |override_user_agent|,
3210 // |should_replace_current_entry| and |has_user_gesture| that will be used
3211 // both in the creation of the NavigationEntry and the NavigationRequest.
3212 // Ideally, the LoadURLParams themselves would be updated, but since they are
3213 // passed as a const reference, this is not possible.
3214 // TODO(clamy): When we only create a NavigationRequest, move this to
3215 // CreateNavigationRequestFromLoadURLParams.
3216 bool override_user_agent = ShouldOverrideUserAgent(params.override_user_agent,
3217 GetLastCommittedEntry());
3218
3219 // Don't allow an entry replacement if there is no entry to replace.
3220 // http://crbug.com/457149
Hayato Ito7a80db42021-07-05 06:18:543221 //
3222 // If there is an entry, an entry replacement must happen if the current
3223 // browsing context should maintain a trivial session history.
shivanigithubf405bf0d2021-11-05 17:58:333224 bool should_replace_current_entry =
3225 (params.should_replace_current_entry ||
3226 ShouldMaintainTrivialSessionHistory(node)) &&
3227 entries_.size();
Camille Lamy5193caa2018-10-12 11:59:423228
clamy21718cc22018-06-13 13:34:243229 // Javascript URLs should not create NavigationEntries. All other navigations
3230 // do, including navigations to chrome renderer debug URLs.
clamy21718cc22018-06-13 13:34:243231 if (!params.url.SchemeIs(url::kJavaScriptScheme)) {
Scott Violet5ae6c42e2020-10-28 02:47:373232 std::unique_ptr<NavigationEntryImpl> entry =
3233 CreateNavigationEntryFromLoadParams(node, params, override_user_agent,
3234 should_replace_current_entry,
3235 params.has_user_gesture);
clamy21718cc22018-06-13 13:34:243236 DiscardPendingEntry(false);
3237 SetPendingEntry(std::move(entry));
3238 }
3239
3240 // Renderer-debug URLs are sent to the renderer process immediately for
3241 // processing and don't need to create a NavigationRequest.
3242 // Note: this includes navigations to JavaScript URLs, which are considered
3243 // renderer-debug URLs.
3244 // Note: we intentionally leave the pending entry in place for renderer debug
3245 // URLs, unlike the cases below where we clear it if the navigation doesn't
3246 // proceed.
Gyuyoung Kim107c2a02021-04-13 01:49:303247 if (blink::IsRendererDebugURL(params.url)) {
Oleg Davydov2cc0167b2019-02-05 14:32:483248 // Renderer-debug URLs won't go through NavigationThrottlers so we have to
3249 // check them explicitly. See bug 913334.
Aaron Colwelle1908d982020-06-26 22:08:153250 if (GetContentClient()->browser()->ShouldBlockRendererDebugURL(
Oleg Davydov2cc0167b2019-02-05 14:32:483251 params.url, browser_context_)) {
3252 DiscardPendingEntry(false);
Harkiran Bolariaba823e42021-05-21 18:30:363253 return nullptr;
Oleg Davydov2cc0167b2019-02-05 14:32:483254 }
3255
clamy21718cc22018-06-13 13:34:243256 HandleRendererDebugURL(node, params.url);
Harkiran Bolariaba823e42021-05-21 18:30:363257 return nullptr;
clamy21718cc22018-06-13 13:34:243258 }
3259
Antonio Sartori78a749f2020-11-30 12:03:393260 DCHECK(pending_entry_);
3261
clamy21718cc22018-06-13 13:34:243262 // Convert navigations to the current URL to a reload.
3263 // TODO(clamy): We should be using FrameTreeNode::IsMainFrame here instead of
3264 // relying on the frame tree node id from LoadURLParams. Unfortunately,
3265 // DevTools sometimes issues navigations to main frames that they do not
3266 // expect to see treated as reload, and it only works because they pass a
3267 // FrameTreeNode id in their LoadURLParams. Change this once they no longer do
3268 // that. See https://crbug.com/850926.
Robert Ogden011a8082019-01-23 19:04:543269 ReloadType reload_type = params.reload_type;
3270 if (reload_type == ReloadType::NONE &&
3271 ShouldTreatNavigationAsReload(
Fergal Daly766177d2020-07-07 07:54:043272 node, params.url, pending_entry_->GetVirtualURL(),
clamy21718cc22018-06-13 13:34:243273 params.base_url_for_data_url, params.transition_type,
clamy21718cc22018-06-13 13:34:243274 params.load_type ==
3275 NavigationController::LOAD_TYPE_HTTP_POST /* is_post */,
Hayato Ito7a80db42021-07-05 06:18:543276 should_replace_current_entry, GetLastCommittedEntry())) {
clamy21718cc22018-06-13 13:34:243277 reload_type = ReloadType::NORMAL;
Alexander Timinb70f67382020-12-10 00:03:473278 pending_entry_->set_reload_type(reload_type);
Antonio Sartori78a749f2020-11-30 12:03:393279
3280 // If this is a reload of an existing FrameNavigationEntry and we had a
3281 // policy container for it, then we should copy it into the pending entry,
3282 // so that it is copied to the navigation request in
3283 // CreateNavigationRequestFromLoadParams later.
3284 if (GetLastCommittedEntry()) {
3285 FrameNavigationEntry* previous_frame_entry =
3286 GetLastCommittedEntry()->GetFrameEntry(node);
Titouan Rigoudy6ec70402021-02-02 15:42:193287 if (previous_frame_entry &&
3288 previous_frame_entry->policy_container_policies()) {
3289 pending_entry_->GetFrameEntry(node)->set_policy_container_policies(
Antonio Sartori5d09b30f2021-03-02 09:27:163290 previous_frame_entry->policy_container_policies()->Clone());
Antonio Sartori78a749f2020-11-30 12:03:393291 }
3292 }
3293 }
3294
3295 // If this navigation is an "Enter-in-omnibox" with the initial about:blank
Rakina Zata Amniafd3c6582021-11-30 06:19:173296 // document, then we should copy the document polices from RenderFrameHost's
3297 // PolicyContainerHost. The NavigationRequest will create a new
3298 // PolicyContainerHost with the document policies from the |pending_entry_|,
3299 // and that PolicyContainerHost will be put in the final RenderFrameHost for
3300 // the navigation. This way, we ensure that we keep enforcing the right
3301 // policies on the initial empty document after the reload.
3302 if (GetLastCommittedEntry()->IsInitialEntry() && params.url.IsAboutBlank()) {
Antonio Sartori78a749f2020-11-30 12:03:393303 if (node->current_frame_host() &&
3304 node->current_frame_host()->policy_container_host()) {
Titouan Rigoudy6ec70402021-02-02 15:42:193305 pending_entry_->GetFrameEntry(node)->set_policy_container_policies(
Antonio Sartori5d09b30f2021-03-02 09:27:163306 node->current_frame_host()
3307 ->policy_container_host()
3308 ->policies()
3309 .Clone());
Antonio Sartori78a749f2020-11-30 12:03:393310 }
clamy21718cc22018-06-13 13:34:243311 }
3312
3313 // navigation_ui_data should only be present for main frame navigations.
3314 DCHECK(node->IsMainFrame() || !params.navigation_ui_data);
3315
Camille Lamy5193caa2018-10-12 11:59:423316 std::unique_ptr<NavigationRequest> request =
3317 CreateNavigationRequestFromLoadParams(
3318 node, params, override_user_agent, should_replace_current_entry,
Antonio Sartori2f763d9d2021-04-21 10:04:143319 params.has_user_gesture, network::mojom::SourceLocation::New(),
Antonio Sartori6984c742021-08-26 08:03:413320 reload_type, pending_entry_, pending_entry_->GetFrameEntry(node));
clamy21718cc22018-06-13 13:34:243321
3322 // If the navigation couldn't start, return immediately and discard the
3323 // pending NavigationEntry.
3324 if (!request) {
3325 DiscardPendingEntry(false);
Harkiran Bolariaba823e42021-05-21 18:30:363326 return nullptr;
clamy21718cc22018-06-13 13:34:243327 }
3328
Camille Lamy5193caa2018-10-12 11:59:423329#if DCHECK_IS_ON()
3330 // Safety check that NavigationRequest and NavigationEntry match.
3331 ValidateRequestMatchesEntry(request.get(), pending_entry_);
3332#endif
3333
clamy21718cc22018-06-13 13:34:243334 // This call does not support re-entrancy. See http://crbug.com/347742.
3335 CHECK(!in_navigate_to_pending_entry_);
3336 in_navigate_to_pending_entry_ = true;
3337
arthursonzogni66f711c2019-10-08 14:40:363338 // It is not possible to delete the pending NavigationEntry while navigating
3339 // to it. Grab a reference to delay potential deletion until the end of this
3340 // function.
3341 std::unique_ptr<PendingEntryRef> pending_entry_ref = ReferencePendingEntry();
3342
Harkiran Bolariaba823e42021-05-21 18:30:363343 base::WeakPtr<NavigationHandle> created_navigation_handle(
3344 request->GetWeakPtr());
Lukasz Anforowicz9ee83c272020-12-01 20:14:053345 node->navigator().Navigate(std::move(request), reload_type);
clamy21718cc22018-06-13 13:34:243346
3347 in_navigate_to_pending_entry_ = false;
Harkiran Bolariaba823e42021-05-21 18:30:363348 return created_navigation_handle;
clamy21718cc22018-06-13 13:34:243349}
3350
clamyea99ea12018-05-28 13:54:233351void NavigationControllerImpl::HandleRendererDebugURL(
3352 FrameTreeNode* frame_tree_node,
3353 const GURL& url) {
3354 if (!frame_tree_node->current_frame_host()->IsRenderFrameLive()) {
clamy21718cc22018-06-13 13:34:243355 // Any renderer-side debug URLs or javascript: URLs should be ignored if
3356 // the renderer process is not live, unless it is the initial navigation
3357 // of the tab.
clamyea99ea12018-05-28 13:54:233358 if (!IsInitialNavigation()) {
3359 DiscardNonCommittedEntries();
3360 return;
3361 }
Fergal Dalyecd3b0202020-06-25 01:57:373362 // The current frame is always a main frame. If IsInitialNavigation() is
3363 // true then there have been no navigations and any frames of this tab must
3364 // be in the same renderer process. If that has crashed then the only frame
3365 // that can be revived is the main frame.
3366 frame_tree_node->render_manager()
3367 ->InitializeMainRenderFrameForImmediateUse();
clamyea99ea12018-05-28 13:54:233368 }
3369 frame_tree_node->current_frame_host()->HandleRendererDebugURL(url);
3370}
3371
clamy21718cc22018-06-13 13:34:243372std::unique_ptr<NavigationEntryImpl>
3373NavigationControllerImpl::CreateNavigationEntryFromLoadParams(
3374 FrameTreeNode* node,
Camille Lamy5193caa2018-10-12 11:59:423375 const LoadURLParams& params,
3376 bool override_user_agent,
3377 bool should_replace_current_entry,
3378 bool has_user_gesture) {
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:393379 // Browser initiated navigations might not have a blob_url_loader_factory set
3380 // in params even if the navigation is to a blob URL. If that happens, lookup
3381 // the correct url loader factory to use here.
3382 auto blob_url_loader_factory = params.blob_url_loader_factory;
Kinuko Yasuda7d925ea22019-08-01 10:08:483383 if (!blob_url_loader_factory && params.url.SchemeIsBlob()) {
Marijn Kruisselbrink8ffda442020-09-03 18:29:473384 // Resolve the blob URL in the storage partition associated with the target
3385 // frame. This is the storage partition the URL will be loaded in, and only
3386 // URLs that can be resolved by it should be able to access its data.
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:393387 blob_url_loader_factory = ChromeBlobStorageContext::URLLoaderFactoryForUrl(
Marijn Kruisselbrink8ffda442020-09-03 18:29:473388 node->current_frame_host()->GetStoragePartition(), params.url);
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:393389 }
3390
clamy21718cc22018-06-13 13:34:243391 std::unique_ptr<NavigationEntryImpl> entry;
Tommy C. Li03eee77a2019-02-05 02:07:443392 // extra_headers in params are \n separated; navigation entries want \r\n.
3393 std::string extra_headers_crlf;
3394 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
clamy21718cc22018-06-13 13:34:243395
3396 // For subframes, create a pending entry with a corresponding frame entry.
3397 if (!node->IsMainFrame()) {
Rakina Zata Amniafd3c6582021-11-30 06:19:173398 CHECK(GetLastCommittedEntry());
3399 entry = GetLastCommittedEntry()->Clone();
clamy21718cc22018-06-13 13:34:243400 entry->AddOrUpdateFrameEntry(
Nate Chapinfbfe5af2021-06-10 17:22:083401 node, NavigationEntryImpl::UpdatePolicy::kReplace, -1, -1, "", nullptr,
clamy21718cc22018-06-13 13:34:243402 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()),
Anton Bikineevf62d1bf2021-05-15 17:56:073403 params.url, absl::nullopt, params.referrer, params.initiator_origin,
Miyoung Shin5d77f72072020-10-09 15:14:203404 params.redirect_chain, blink::PageState(), "GET", -1,
Antonio Sartori78a749f2020-11-30 12:03:393405 blob_url_loader_factory, nullptr /* web_bundle_navigation_info */,
Kunihiko Sakamoto346a74e2021-03-10 08:57:483406 nullptr /* subresource_web_bundle_navigation_info */,
Antonio Sartori78a749f2020-11-30 12:03:393407 // If in NavigateWithoutEntry we later determine that this navigation is
Charlie Reis7e2cb6d2021-01-26 01:27:163408 // a conversion of a new navigation into a reload, we will set the right
3409 // document policies there.
Titouan Rigoudy6ec70402021-02-02 15:42:193410 nullptr /* policy_container_policies */);
clamy21718cc22018-06-13 13:34:243411 } else {
3412 // Otherwise, create a pending entry for the main frame.
clamy21718cc22018-06-13 13:34:243413 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz435bcb582019-07-12 20:50:063414 params.url, params.referrer, params.initiator_origin,
Lukasz Anforowicz641234d52019-11-07 21:07:103415 params.source_site_instance.get(), params.transition_type,
3416 params.is_renderer_initiated, extra_headers_crlf, browser_context_,
Hayato Ito303654c2021-06-30 09:07:543417 blob_url_loader_factory));
clamy21718cc22018-06-13 13:34:243418 entry->set_source_site_instance(
3419 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
3420 entry->SetRedirectChain(params.redirect_chain);
3421 }
3422
3423 // Set the FTN ID (only used in non-site-per-process, for tests).
3424 entry->set_frame_tree_node_id(node->frame_tree_node_id());
clamy21718cc22018-06-13 13:34:243425 entry->set_should_clear_history_list(params.should_clear_history_list);
Camille Lamy5193caa2018-10-12 11:59:423426 entry->SetIsOverridingUserAgent(override_user_agent);
3427 entry->set_has_user_gesture(has_user_gesture);
Robert Ogden011a8082019-01-23 19:04:543428 entry->set_reload_type(params.reload_type);
clamy21718cc22018-06-13 13:34:243429
clamy21718cc22018-06-13 13:34:243430 switch (params.load_type) {
3431 case LOAD_TYPE_DEFAULT:
3432 break;
3433 case LOAD_TYPE_HTTP_POST:
3434 entry->SetHasPostData(true);
3435 entry->SetPostData(params.post_data);
3436 break;
3437 case LOAD_TYPE_DATA:
3438 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
3439 entry->SetVirtualURL(params.virtual_url_for_data_url);
Xiaohan Wang7f8052e02022-01-14 18:44:283440#if BUILDFLAG(IS_ANDROID)
clamy21718cc22018-06-13 13:34:243441 entry->SetDataURLAsString(params.data_url_as_string);
3442#endif
3443 entry->SetCanLoadLocalResources(params.can_load_local_resources);
3444 break;
clamy21718cc22018-06-13 13:34:243445 }
3446
3447 // TODO(clamy): NavigationEntry is meant for information that will be kept
3448 // after the navigation ended and therefore is not appropriate for
3449 // started_from_context_menu. Move started_from_context_menu to
3450 // NavigationUIData.
3451 entry->set_started_from_context_menu(params.started_from_context_menu);
3452
3453 return entry;
3454}
3455
clamyea99ea12018-05-28 13:54:233456std::unique_ptr<NavigationRequest>
Camille Lamy5193caa2018-10-12 11:59:423457NavigationControllerImpl::CreateNavigationRequestFromLoadParams(
3458 FrameTreeNode* node,
3459 const LoadURLParams& params,
3460 bool override_user_agent,
3461 bool should_replace_current_entry,
3462 bool has_user_gesture,
Antonio Sartori2f763d9d2021-04-21 10:04:143463 network::mojom::SourceLocationPtr source_location,
Camille Lamy5193caa2018-10-12 11:59:423464 ReloadType reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573465 NavigationEntryImpl* entry,
Scott Violetcf6ea7e2021-06-09 21:09:213466 FrameNavigationEntry* frame_entry) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573467 DCHECK_EQ(-1, GetIndexOfEntry(entry));
Camille Lamyb9ed3c52018-11-19 15:34:283468 DCHECK(frame_entry);
Nasko Oskov3c2f9e252019-01-10 17:45:533469 // All renderer-initiated navigations must have an initiator_origin.
3470 DCHECK(!params.is_renderer_initiated || params.initiator_origin.has_value());
Camille Lamyff7c4822018-11-07 15:42:513471
Camille Lamy5193caa2018-10-12 11:59:423472 GURL url_to_load;
3473 GURL virtual_url;
Anton Bikineevf62d1bf2021-05-15 17:56:073474 absl::optional<url::Origin> origin_to_commit =
3475 frame_entry ? frame_entry->committed_origin() : absl::nullopt;
Nasko Oskov03912102019-01-11 00:21:323476
Camille Lamy2baa8022018-10-19 16:43:173477 // For main frames, rewrite the URL if necessary and compute the virtual URL
3478 // that should be shown in the address bar.
3479 if (node->IsMainFrame()) {
Lukasz Anforowiczb2eb19b12020-01-25 00:40:423480 bool ignored_reverse_on_redirect = false;
Camille Lamy2baa8022018-10-19 16:43:173481 RewriteUrlForNavigation(params.url, browser_context_, &url_to_load,
Lukasz Anforowiczb2eb19b12020-01-25 00:40:423482 &virtual_url, &ignored_reverse_on_redirect);
Camille Lamy5193caa2018-10-12 11:59:423483
Camille Lamy2baa8022018-10-19 16:43:173484 // For DATA loads, override the virtual URL.
3485 if (params.load_type == LOAD_TYPE_DATA)
3486 virtual_url = params.virtual_url_for_data_url;
Camille Lamy5193caa2018-10-12 11:59:423487
Camille Lamy2baa8022018-10-19 16:43:173488 if (virtual_url.is_empty())
3489 virtual_url = url_to_load;
3490
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573491 CHECK(virtual_url == entry->GetVirtualURL());
Camille Lamyb9ed3c52018-11-19 15:34:283492
Aran Gilman249eb122019-12-02 23:32:463493 // This is a LOG and not a CHECK/DCHECK as URL rewrite has non-deterministic
3494 // behavior: it is possible for two calls to RewriteUrlForNavigation to
3495 // return different results, leading to a different URL in the
3496 // NavigationRequest and FrameEntry. This will be fixed once we remove the
3497 // pending NavigationEntry, as we'll only make one call to
3498 // RewriteUrlForNavigation.
3499 VLOG_IF(1, (url_to_load != frame_entry->url()))
3500 << "NavigationRequest and FrameEntry have different URLs: "
3501 << url_to_load << " vs " << frame_entry->url();
Camille Lamyb9ed3c52018-11-19 15:34:283502
Camille Lamy2baa8022018-10-19 16:43:173503 // TODO(clamy): In order to remove the pending NavigationEntry,
Lukasz Anforowiczb2eb19b12020-01-25 00:40:423504 // |virtual_url| and |ignored_reverse_on_redirect| should be stored in the
Camille Lamy2baa8022018-10-19 16:43:173505 // NavigationRequest.
3506 } else {
3507 url_to_load = params.url;
3508 virtual_url = params.url;
Camille Lamyf664f7622019-01-07 19:28:243509 CHECK(!frame_entry || url_to_load == frame_entry->url());
Camille Lamy2baa8022018-10-19 16:43:173510 }
Camille Lamy5193caa2018-10-12 11:59:423511
Ehsan Karamad44fc72112019-02-26 18:15:473512 if (node->render_manager()->is_attaching_inner_delegate()) {
3513 // Avoid starting any new navigations since this node is now preparing for
3514 // attaching an inner delegate.
3515 return nullptr;
Ehsan Karamaddd9a4142018-12-04 20:38:203516 }
Camille Lamy5193caa2018-10-12 11:59:423517
Camille Lamy5193caa2018-10-12 11:59:423518 if (!IsValidURLForNavigation(node->IsMainFrame(), virtual_url, url_to_load))
3519 return nullptr;
3520
Kunihiko Sakamoto346a74e2021-03-10 08:57:483521 if (!DoesURLMatchOriginForNavigation(
3522 url_to_load, origin_to_commit,
3523 frame_entry->subresource_web_bundle_navigation_info())) {
Nasko Oskov03912102019-01-11 00:21:323524 DCHECK(false) << " url:" << url_to_load
3525 << " origin:" << origin_to_commit.value();
3526 return nullptr;
3527 }
3528
Camille Lamy5193caa2018-10-12 11:59:423529 // This will be used to set the Navigation Timing API navigationStart
3530 // parameter for browser navigations in new tabs (intents, tabs opened through
3531 // "Open link in new tab"). If the navigation must wait on the current
3532 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3533 // will be updated when the BeforeUnload ack is received.
3534 base::TimeTicks navigation_start = base::TimeTicks::Now();
3535
danakjd83d706d2020-11-25 22:11:123536 // Look for a pending commit that is to another document in this
3537 // FrameTreeNode. If one exists, then the last committed URL will not be the
3538 // current URL by the time this navigation commits.
3539 bool has_pending_cross_document_commit =
3540 node->render_manager()->HasPendingCommitForCrossDocumentNavigation();
Miyoung Shina2dd6a42021-10-07 12:19:213541 bool is_currently_error_page = node->current_frame_host()->IsErrorDocument();
danakjd83d706d2020-11-25 22:11:123542
Minggang Wangb9f3fa92021-07-01 15:30:313543 blink::mojom::NavigationType navigation_type = GetNavigationType(
danakjb952ef12021-01-14 19:58:493544 /*old_url=*/node->current_url(),
3545 /*new_url=*/url_to_load, reload_type, entry, *frame_entry,
3546 has_pending_cross_document_commit, is_currently_error_page,
3547 /*is_same_document_history_load=*/false);
Camille Lamy5193caa2018-10-12 11:59:423548
3549 // Create the NavigationParams based on |params|.
3550
Hiroki Nakagawa4ed61282021-06-18 05:37:233551 bool is_view_source_mode = entry->IsViewSourceMode();
3552 DCHECK_EQ(is_view_source_mode, virtual_url.SchemeIs(kViewSourceScheme));
Charlie Harrison8c113a32019-01-07 16:08:293553
Antonio Sartori6984c742021-08-26 08:03:413554 blink::NavigationDownloadPolicy download_policy = params.download_policy;
Hiroki Nakagawa4ed61282021-06-18 05:37:233555 // Update |download_policy| if the virtual URL is view-source.
Charlie Harrison8c113a32019-01-07 16:08:293556 if (is_view_source_mode)
Yeunjoo Choi3df791a2021-02-17 07:07:253557 download_policy.SetDisallowed(blink::NavigationDownloadType::kViewSource);
Charlie Harrison8c113a32019-01-07 16:08:293558
Minggang Wangb9f3fa92021-07-01 15:30:313559 blink::mojom::CommonNavigationParamsPtr common_params =
3560 blink::mojom::CommonNavigationParams::New(
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513561 url_to_load, params.initiator_origin,
3562 blink::mojom::Referrer::New(params.referrer.url,
3563 params.referrer.policy),
Scott Violetcf6ea7e2021-06-09 21:09:213564 params.transition_type, navigation_type, download_policy,
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513565 should_replace_current_entry, params.base_url_for_data_url,
Tarun Bansalbcd62c82022-01-18 17:27:383566 navigation_start,
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513567 params.load_type == LOAD_TYPE_HTTP_POST ? "POST" : "GET",
Antonio Sartori2f763d9d2021-04-21 10:04:143568 params.post_data, std::move(source_location),
arthursonzogniaf7c62c52020-02-12 10:49:413569 params.started_from_context_menu, has_user_gesture,
Antonio Sartori636adba2021-03-09 12:15:273570 false /* has_text_fragment_token */,
3571 network::mojom::CSPDisposition::CHECK, std::vector<int>(),
3572 params.href_translate,
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513573 false /* is_history_navigation_in_new_child_frame */,
Nan Lind91c8152021-10-21 16:22:373574 params.input_start, network::mojom::RequestDestination::kEmpty);
Camille Lamy5193caa2018-10-12 11:59:423575
Minggang Wangb9f3fa92021-07-01 15:30:313576 blink::mojom::CommitNavigationParamsPtr commit_params =
3577 blink::mojom::CommitNavigationParams::New(
Antonio Sartori3e8de6d2021-07-26 10:28:413578 frame_entry->committed_origin(),
3579 // The correct storage key will be computed before committing the
3580 // navigation.
3581 blink::StorageKey(), network::mojom::WebSandboxFlags(),
arthursonzognid5a8d0b2021-03-11 17:36:433582 override_user_agent, params.redirect_chain,
Lucas Furukawa Gadani81e294b2019-08-29 16:26:323583 std::vector<network::mojom::URLResponseHeadPtr>(),
Lucas Furukawa Gadania9c45682019-07-31 22:05:143584 std::vector<net::RedirectInfo>(),
3585 std::string() /* post_content_type */, common_params->url,
3586 common_params->method, params.can_load_local_resources,
Minggang Wangb9f3fa92021-07-01 15:30:313587 frame_entry->page_state().ToEncodedData(), entry->GetUniqueID(),
Lucas Furukawa Gadania9c45682019-07-31 22:05:143588 entry->GetSubframeUniqueNames(node), true /* intended_as_new_entry */,
3589 -1 /* pending_history_list_offset */,
3590 params.should_clear_history_list ? -1 : GetLastCommittedEntryIndex(),
3591 params.should_clear_history_list ? 0 : GetEntryCount(),
3592 false /* was_discarded */, is_view_source_mode,
Minggang Wangb9f3fa92021-07-01 15:30:313593 params.should_clear_history_list,
3594 blink::mojom::NavigationTiming::New(),
Minggang Wangf59db47b2021-06-16 01:56:223595 blink::mojom::WasActivatedOption::kUnknown,
Lucas Furukawa Gadania9c45682019-07-31 22:05:143596 base::UnguessableToken::Create() /* navigation_token */,
Minggang Wang7ee0c742021-06-16 16:16:513597 std::vector<blink::mojom::PrefetchedSignedExchangeInfoPtr>(),
Xiaohan Wang7f8052e02022-01-14 18:44:283598#if BUILDFLAG(IS_ANDROID)
Lucas Furukawa Gadania9c45682019-07-31 22:05:143599 std::string(), /* data_url_as_string */
3600#endif
arthursonzogni14379782020-05-15 09:09:273601 !params.is_renderer_initiated, /* is_browser_initiated */
Tsuyoshi Horoe86d7702019-11-29 01:52:473602 GURL() /* web_bundle_physical_url */,
Charlie Hu5ffc0152019-12-06 15:59:533603 GURL() /* base_url_override_for_web_bundle */,
Yue Ru Sun128804932020-09-30 22:19:173604 ukm::kInvalidSourceId /* document_ukm_source_id */,
Jiewei Qian0406fc02020-03-09 06:02:073605 node->pending_frame_policy(),
Domenic Denicola4778c35392020-06-25 21:25:163606 std::vector<std::string>() /* force_enabled_origin_trials */,
Domenic Denicola55701ee2021-01-14 00:18:333607 false /* origin_agent_cluster */,
Maks Orlovichc66745a2020-06-30 17:40:023608 std::vector<
Shuran Huanga055ce72020-07-23 14:13:213609 network::mojom::WebClientHintsType>() /* enabled_client_hints */,
Nate Chapind1fe3612021-04-16 20:45:573610 false /* is_cross_browsing_instance */, nullptr /* old_page_info */,
3611 -1 /* http_response_code */,
Minggang Wangb9f3fa92021-07-01 15:30:313612 std::vector<blink::mojom::
3613 AppHistoryEntryPtr>() /* app_history_back_entries */,
Nate Chapind1fe3612021-04-16 20:45:573614 std::vector<
Minggang Wangb9f3fa92021-07-01 15:30:313615 blink::mojom::
3616 AppHistoryEntryPtr>() /* app_history_forward_entries */,
Matt Menke4e209082021-11-09 04:59:313617 std::vector<GURL>() /* early_hints_preloaded_resources */,
Clark DuVall8ee487a22021-11-10 02:25:583618 absl::nullopt /* ad_auction_components */,
3619 // This timestamp will be populated when the commit IPC is sent.
Yifan Luoe1a2e05d2022-01-12 16:47:593620 base::TimeTicks() /* commit_sent */, false /* anonymous */);
Xiaohan Wang7f8052e02022-01-14 18:44:283621#if BUILDFLAG(IS_ANDROID)
Camille Lamy5193caa2018-10-12 11:59:423622 if (ValidateDataURLAsString(params.data_url_as_string)) {
Lucas Furukawa Gadania9c45682019-07-31 22:05:143623 commit_params->data_url_as_string = params.data_url_as_string->data();
Camille Lamy5193caa2018-10-12 11:59:423624 }
3625#endif
3626
Lucas Furukawa Gadania9c45682019-07-31 22:05:143627 commit_params->was_activated = params.was_activated;
Camille Lamy5193caa2018-10-12 11:59:423628
3629 // A form submission may happen here if the navigation is a renderer-initiated
3630 // form submission that took the OpenURL path.
3631 scoped_refptr<network::ResourceRequestBody> request_body = params.post_data;
3632
3633 // extra_headers in params are \n separated; NavigationRequests want \r\n.
3634 std::string extra_headers_crlf;
3635 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
Yao Xiaodc5ed102019-06-04 19:19:093636
3637 auto navigation_request = NavigationRequest::CreateBrowserInitiated(
Lucas Furukawa Gadania9c45682019-07-31 22:05:143638 node, std::move(common_params), std::move(commit_params),
Takashi Toyoshimae87b7be2021-01-22 11:51:083639 !params.is_renderer_initiated, params.was_opener_suppressed,
Antonio Sartori9a82f6f32020-12-14 09:22:453640 params.initiator_frame_token.has_value()
3641 ? &(params.initiator_frame_token.value())
3642 : nullptr,
3643 params.initiator_process_id, extra_headers_crlf, frame_entry, entry,
3644 request_body,
John Delaney50425f82020-04-07 16:26:213645 params.navigation_ui_data ? params.navigation_ui_data->Clone() : nullptr,
Daniel Hosseinianf0fbfb42021-09-08 02:20:473646 params.impression, params.is_pdf);
Yao Xiaodc5ed102019-06-04 19:19:093647 navigation_request->set_from_download_cross_origin_redirect(
3648 params.from_download_cross_origin_redirect);
3649 return navigation_request;
Camille Lamy5193caa2018-10-12 11:59:423650}
3651
3652std::unique_ptr<NavigationRequest>
3653NavigationControllerImpl::CreateNavigationRequestFromEntry(
clamyea99ea12018-05-28 13:54:233654 FrameTreeNode* frame_tree_node,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573655 NavigationEntryImpl* entry,
clamyea99ea12018-05-28 13:54:233656 FrameNavigationEntry* frame_entry,
3657 ReloadType reload_type,
3658 bool is_same_document_history_load,
Nate Chapin45f620582021-09-30 17:45:433659 bool is_history_navigation_in_new_child_frame,
3660 bool is_browser_initiated) {
Alex Moshchuk47d1a4bd2020-06-01 22:15:343661 DCHECK(frame_entry);
clamyea99ea12018-05-28 13:54:233662 GURL dest_url = frame_entry->url();
Rakina Zata Amnif297a802022-01-18 03:53:433663 // We should never navigate to an existing initial NavigationEntry that is the
3664 // initial NavigationEntry for the initial empty document that hasn't been
3665 // overridden by the synchronous about:blank commit, to preserve previous
3666 // behavior where trying to reload when the main frame is on the initial empty
3667 // document won't result in a navigation.
3668 // See also https://crbug.com/1277414.
3669 DCHECK(!entry->IsInitialEntryNotForSynchronousAboutBlank());
Anton Bikineevf62d1bf2021-05-15 17:56:073670 absl::optional<url::Origin> origin_to_commit =
Nasko Oskov03912102019-01-11 00:21:323671 frame_entry->committed_origin();
3672
clamyea99ea12018-05-28 13:54:233673 Referrer dest_referrer = frame_entry->referrer();
Ryan Sturmc4da1992018-07-17 16:59:013674 if (reload_type == ReloadType::ORIGINAL_REQUEST_URL &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573675 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
clamyea99ea12018-05-28 13:54:233676 // We may have been redirected when navigating to the current URL.
3677 // Use the URL the user originally intended to visit as signaled by the
3678 // ReloadType, if it's valid and if a POST wasn't involved; the latter
Ryan Sturmc4da1992018-07-17 16:59:013679 // case avoids issues with sending data to the wrong page.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573680 dest_url = entry->GetOriginalRequestURL();
clamyea99ea12018-05-28 13:54:233681 dest_referrer = Referrer();
Nasko Oskov03912102019-01-11 00:21:323682 origin_to_commit.reset();
clamyea99ea12018-05-28 13:54:233683 }
3684
Ehsan Karamad44fc72112019-02-26 18:15:473685 if (frame_tree_node->render_manager()->is_attaching_inner_delegate()) {
3686 // Avoid starting any new navigations since this node is now preparing for
3687 // attaching an inner delegate.
3688 return nullptr;
Ehsan Karamaddd9a4142018-12-04 20:38:203689 }
3690
Camille Lamy5193caa2018-10-12 11:59:423691 if (!IsValidURLForNavigation(frame_tree_node->IsMainFrame(),
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573692 entry->GetVirtualURL(), dest_url)) {
clamyea99ea12018-05-28 13:54:233693 return nullptr;
3694 }
3695
Kunihiko Sakamoto346a74e2021-03-10 08:57:483696 if (!DoesURLMatchOriginForNavigation(
3697 dest_url, origin_to_commit,
3698 frame_entry->subresource_web_bundle_navigation_info())) {
3699 DCHECK(false) << " url:" << dest_url
3700 << " origin:" << origin_to_commit.value();
Nasko Oskov03912102019-01-11 00:21:323701 return nullptr;
3702 }
3703
clamyea99ea12018-05-28 13:54:233704 // This will be used to set the Navigation Timing API navigationStart
3705 // parameter for browser navigations in new tabs (intents, tabs opened through
3706 // "Open link in new tab"). If the navigation must wait on the current
3707 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3708 // will be updated when the BeforeUnload ack is received.
3709 base::TimeTicks navigation_start = base::TimeTicks::Now();
clamyea99ea12018-05-28 13:54:233710
danakjd83d706d2020-11-25 22:11:123711 // Look for a pending commit that is to another document in this
3712 // FrameTreeNode. If one exists, then the last committed URL will not be the
3713 // current URL by the time this navigation commits.
3714 bool has_pending_cross_document_commit =
3715 frame_tree_node->render_manager()
3716 ->HasPendingCommitForCrossDocumentNavigation();
danakjb952ef12021-01-14 19:58:493717 bool is_currently_error_page =
Miyoung Shina2dd6a42021-10-07 12:19:213718 frame_tree_node->current_frame_host()->IsErrorDocument();
danakjd83d706d2020-11-25 22:11:123719
Minggang Wangb9f3fa92021-07-01 15:30:313720 blink::mojom::NavigationType navigation_type = GetNavigationType(
danakjd83d706d2020-11-25 22:11:123721 /*old_url=*/frame_tree_node->current_url(),
3722 /*new_url=*/dest_url, reload_type, entry, *frame_entry,
danakjb952ef12021-01-14 19:58:493723 has_pending_cross_document_commit, is_currently_error_page,
3724 is_same_document_history_load);
Camille Lamy5193caa2018-10-12 11:59:423725
3726 // A form submission may happen here if the navigation is a
3727 // back/forward/reload navigation that does a form resubmission.
3728 scoped_refptr<network::ResourceRequestBody> request_body;
3729 std::string post_content_type;
3730 if (frame_entry->method() == "POST") {
3731 request_body = frame_entry->GetPostData(&post_content_type);
3732 // Might have a LF at end.
Peter Kastingb53b81912021-04-28 19:23:303733 post_content_type = std::string(
3734 base::TrimWhitespaceASCII(post_content_type, base::TRIM_ALL));
Camille Lamy5193caa2018-10-12 11:59:423735 }
3736
3737 // Create the NavigationParams based on |entry| and |frame_entry|.
Minggang Wangb9f3fa92021-07-01 15:30:313738 blink::mojom::CommonNavigationParamsPtr common_params =
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513739 entry->ConstructCommonNavigationParams(
3740 *frame_entry, request_body, dest_url,
3741 blink::mojom::Referrer::New(dest_referrer.url, dest_referrer.policy),
Tarun Bansalbcd62c82022-01-18 17:27:383742 navigation_type, navigation_start,
Charlie Hu5ffc0152019-12-06 15:59:533743 base::TimeTicks() /* input_start */);
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513744 common_params->is_history_navigation_in_new_child_frame =
Arthur Hemerybee4a752019-05-29 10:50:553745 is_history_navigation_in_new_child_frame;
Camille Lamy5193caa2018-10-12 11:59:423746
3747 // TODO(clamy): |intended_as_new_entry| below should always be false once
3748 // Reload no longer leads to this being called for a pending NavigationEntry
3749 // of index -1.
Minggang Wangb9f3fa92021-07-01 15:30:313750 blink::mojom::CommitNavigationParamsPtr commit_params =
Lucas Furukawa Gadania9c45682019-07-31 22:05:143751 entry->ConstructCommitNavigationParams(
3752 *frame_entry, common_params->url, origin_to_commit,
3753 common_params->method, entry->GetSubframeUniqueNames(frame_tree_node),
3754 GetPendingEntryIndex() == -1 /* intended_as_new_entry */,
Charlie Hu5ffc0152019-12-06 15:59:533755 GetIndexOfEntry(entry), GetLastCommittedEntryIndex(), GetEntryCount(),
3756 frame_tree_node->pending_frame_policy());
Lucas Furukawa Gadania9c45682019-07-31 22:05:143757 commit_params->post_content_type = post_content_type;
Camille Lamy5193caa2018-10-12 11:59:423758
clamyea99ea12018-05-28 13:54:233759 return NavigationRequest::CreateBrowserInitiated(
Lucas Furukawa Gadania9c45682019-07-31 22:05:143760 frame_tree_node, std::move(common_params), std::move(commit_params),
Nate Chapin45f620582021-09-30 17:45:433761 is_browser_initiated, false /* was_opener_suppressed */,
Takashi Toyoshimae87b7be2021-01-22 11:51:083762 nullptr /* initiator_frame_token */,
Antonio Sartori9a82f6f32020-12-14 09:22:453763 ChildProcessHost::kInvalidUniqueID /* initiator_process_id */,
3764 entry->extra_headers(), frame_entry, entry, request_body,
Daniel Hosseinianf0fbfb42021-09-08 02:20:473765 nullptr /* navigation_ui_data */, absl::nullopt /* impression */,
3766 false /* is_pdf */);
clamyea99ea12018-05-28 13:54:233767}
3768
[email protected]d202a7c2012-01-04 07:53:473769void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:213770 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:273771 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:403772
Takashi Toyoshimaea534ef22021-07-21 03:27:593773 // We need to notify the ssl_manager_ before the WebContents so the
[email protected]df1af242009-05-01 00:11:403774 // location bar will have up-to-date information about the security style
3775 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:133776 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:403777
Rakina Zata Amnia4e27222021-12-22 01:05:003778 delegate_->NotifyNavigationStateChanged(
Rakina Zata Amniddf10502022-01-15 02:56:553779 (details && details->should_stay_as_initial_entry)
3780 ? INVALIDATE_TYPE_ALL_BUT_KEEPS_INITIAL_NAVIGATION_ENTRY_STATUS
3781 : INVALIDATE_TYPE_ALL_AND_REMOVES_INITIAL_NAVIGATION_ENTRY_STATUS);
[email protected]ec6c05f2013-10-23 18:41:573782 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:463783
[email protected]b0f724c2013-09-05 04:21:133784 // TODO(avi): Remove. http://crbug.com/170921
3785 NotificationDetails notification_details =
3786 Details<LoadCommittedDetails>(details);
Aran Gilman37d11632019-10-08 23:07:153787 NotificationService::current()->Notify(NOTIFICATION_NAV_ENTRY_COMMITTED,
3788 Source<NavigationController>(this),
3789 notification_details);
initial.commit09911bf2008-07-26 23:55:293790}
3791
initial.commit09911bf2008-07-26 23:55:293792// static
[email protected]d202a7c2012-01-04 07:53:473793size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:233794 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
Aran Gilman37d11632019-10-08 23:07:153795 return max_entry_count_for_testing_;
Miyoung Shin1c565c912021-03-17 12:11:213796 return blink::kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:233797}
3798
[email protected]d202a7c2012-01-04 07:53:473799void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:223800 if (is_active && needs_reload_)
3801 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:293802}
3803
[email protected]d202a7c2012-01-04 07:53:473804void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:293805 if (!needs_reload_)
3806 return;
3807
Bo Liucdfa4b12018-11-06 00:21:443808 UMA_HISTOGRAM_ENUMERATION("Navigation.LoadIfNecessaryType",
3809 needs_reload_type_);
3810
initial.commit09911bf2008-07-26 23:55:293811 // Calling Reload() results in ignoring state, and not loading.
3812 // Explicitly use NavigateToPendingEntry so that the renderer uses the
3813 // cached state.
avicc872d7242015-08-19 21:26:343814 if (pending_entry_) {
Dave Tapuska8bfd84c2019-03-26 20:47:163815 NavigateToExistingPendingEntry(ReloadType::NONE,
Nate Chapin45f620582021-09-30 17:45:433816 FrameTreeNode::kFrameTreeNodeInvalidId,
3817 true /* is_browser_initiated */);
Rakina Zata Amnif297a802022-01-18 03:53:433818 } else if (!GetLastCommittedEntry()
3819 ->IsInitialEntryNotForSynchronousAboutBlank()) {
arthursonzogni5c4c202d2017-04-25 23:41:273820 pending_entry_ = entries_[last_committed_entry_index_].get();
avicc872d7242015-08-19 21:26:343821 pending_entry_index_ = last_committed_entry_index_;
Dave Tapuska8bfd84c2019-03-26 20:47:163822 NavigateToExistingPendingEntry(ReloadType::NONE,
Nate Chapin45f620582021-09-30 17:45:433823 FrameTreeNode::kFrameTreeNodeInvalidId,
3824 true /* is_browser_initiated */);
avicc872d7242015-08-19 21:26:343825 } else {
Rakina Zata Amnif297a802022-01-18 03:53:433826 // We should never navigate to an existing initial NavigationEntry that is
3827 // the initial NavigationEntry for the initial empty document that hasn't
3828 // been overridden by the synchronous about:blank commit, to preserve
3829 // legacy behavior where trying to reload when the main frame is on the
3830 // initial empty document won't result in a navigation. See also
3831 // https://crbug.com/1277414. If there is something to reload, the
3832 // successful reload will clear the |needs_reload_| flag. Otherwise, just do
3833 // it here.
avicc872d7242015-08-19 21:26:343834 needs_reload_ = false;
3835 }
initial.commit09911bf2008-07-26 23:55:293836}
3837
Kevin McNeeccca6172021-10-19 17:11:143838base::WeakPtr<NavigationHandle>
3839NavigationControllerImpl::LoadPostCommitErrorPage(
Carlos IL42b416592019-10-07 23:10:363840 RenderFrameHost* render_frame_host,
3841 const GURL& url,
3842 const std::string& error_page_html,
3843 net::Error error) {
Rakina Zata Amni919b7922020-12-11 09:03:133844 RenderFrameHostImpl* rfhi =
3845 static_cast<RenderFrameHostImpl*>(render_frame_host);
Sreeja Kamishettydb8e2892021-03-10 09:30:583846
3847 // Only active documents can load post-commit error pages:
3848 // - If the document is in pending deletion, the browser already committed to
3849 // destroying this RenderFrameHost so ignore loading the error page.
3850 // - If the document is in back-forward cache, it's not allowed to navigate as
3851 // it should remain frozen. Ignore the request and evict the document from
3852 // back-forward cache.
3853 // - If the document is prerendering, it can navigate but when loading error
3854 // pages, cancel prerendering.
Fergal Daly1336ac642021-09-14 15:13:113855 if (rfhi->IsInactiveAndDisallowActivation(
3856 DisallowActivationReasonId::kLoadPostCommitErrorPage)) {
Kevin McNeeccca6172021-10-19 17:11:143857 return nullptr;
Fergal Daly1336ac642021-09-14 15:13:113858 }
Sreeja Kamishettydb8e2892021-03-10 09:30:583859
Rakina Zata Amni919b7922020-12-11 09:03:133860 FrameTreeNode* node = rfhi->frame_tree_node();
John Delaney131ad362019-08-08 21:57:413861
Minggang Wangb9f3fa92021-07-01 15:30:313862 blink::mojom::CommonNavigationParamsPtr common_params =
Minggang Wanga13c796e2021-07-02 05:54:433863 blink::CreateCommonNavigationParams();
Rakina Zata Amnid2da1542020-12-23 00:52:593864 // |url| might be empty, such as when LoadPostCommitErrorPage happens before
3865 // the frame actually committed (e.g. iframe with "src" set to a
3866 // slow-responding URL). We should rewrite the URL to about:blank in this
3867 // case, as the renderer will only think a page is an error page if it has a
3868 // non-empty unreachable URL.
Rakina Zata Amni919b7922020-12-11 09:03:133869 common_params->url = url.is_empty() ? GURL("about:blank") : url;
Minggang Wangb9f3fa92021-07-01 15:30:313870 blink::mojom::CommitNavigationParamsPtr commit_params =
Minggang Wanga13c796e2021-07-02 05:54:433871 blink::CreateCommitNavigationParams();
Antonio Sartori58591c892021-04-21 06:54:333872 commit_params->original_url = common_params->url;
John Delaney131ad362019-08-08 21:57:413873
arthursonzogni70ac7302020-05-28 08:49:053874 // Error pages have a fully permissive FramePolicy.
3875 // TODO(arthursonzogni): Consider providing the minimal capabilities to the
3876 // error pages.
3877 commit_params->frame_policy = blink::FramePolicy();
3878
John Delaney131ad362019-08-08 21:57:413879 std::unique_ptr<NavigationRequest> navigation_request =
3880 NavigationRequest::CreateBrowserInitiated(
3881 node, std::move(common_params), std::move(commit_params),
Takashi Toyoshimae87b7be2021-01-22 11:51:083882 true /* browser_initiated */, false /* was_opener_suppressed */,
Lingqi Chi82efa95e2020-12-29 05:31:193883 nullptr /* initiator_frame_token */,
Antonio Sartori9a82f6f32020-12-14 09:22:453884 ChildProcessHost::kInvalidUniqueID /* initiator_process_id */,
John Delaneyf43556d2020-05-04 23:19:063885 "" /* extra_headers */, nullptr /* frame_entry */,
3886 nullptr /* entry */, nullptr /* post_body */,
Daniel Hosseinianf0fbfb42021-09-08 02:20:473887 nullptr /* navigation_ui_data */, absl::nullopt /* impression */,
3888 false /* is_pdf */);
Carlos IL42b416592019-10-07 23:10:363889 navigation_request->set_post_commit_error_page_html(error_page_html);
John Delaney131ad362019-08-08 21:57:413890 navigation_request->set_net_error(error);
3891 node->CreatedNavigationRequest(std::move(navigation_request));
3892 DCHECK(node->navigation_request());
Kevin McNeeccca6172021-10-19 17:11:143893
3894 // Calling BeginNavigation may destroy the NavigationRequest.
3895 base::WeakPtr<NavigationRequest> created_navigation_request(
3896 node->navigation_request()->GetWeakPtr());
John Delaney131ad362019-08-08 21:57:413897 node->navigation_request()->BeginNavigation();
Kevin McNeeccca6172021-10-19 17:11:143898 return created_navigation_request;
John Delaney131ad362019-08-08 21:57:413899}
3900
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573901void NavigationControllerImpl::NotifyEntryChanged(NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:213902 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:093903 det.changed_entry = entry;
Aran Gilman37d11632019-10-08 23:07:153904 det.index = GetIndexOfEntry(NavigationEntryImpl::FromNavigationEntry(entry));
Sam McNally5c087a32017-08-25 01:46:143905 delegate_->NotifyNavigationEntryChanged(det);
initial.commit09911bf2008-07-26 23:55:293906}
3907
[email protected]d202a7c2012-01-04 07:53:473908void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:363909 RestoreType type) {
[email protected]a26023822011-12-29 00:23:553910 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:363911 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:293912
initial.commit09911bf2008-07-26 23:55:293913 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:293914}
[email protected]765b35502008-08-21 00:51:203915
arthursonzogni69a6a1b2019-09-17 09:23:003916void NavigationControllerImpl::DiscardNonCommittedEntries() {
Rakina Zata Amnia4e27222021-12-22 01:05:003917 DiscardNonCommittedEntriesWithCommitDetails(nullptr /* commit_details */);
3918}
3919
3920void NavigationControllerImpl::DiscardNonCommittedEntriesWithCommitDetails(
3921 LoadCommittedDetails* commit_details) {
Michael Thiessen9b14d512019-09-23 21:19:473922 // Avoid sending a notification if there is nothing to discard.
Michael Thiessenc5676d22019-09-25 22:32:103923 // TODO(mthiesse): Temporarily checking failed_pending_entry_id_ to help
3924 // diagnose https://bugs.chromium.org/p/chromium/issues/detail?id=1007570.
Carlos IL4dea8902020-05-26 15:14:293925 if (!pending_entry_ && failed_pending_entry_id_ == 0) {
Michael Thiessen9b14d512019-09-23 21:19:473926 return;
Michael Thiessenc5676d22019-09-25 22:32:103927 }
avi45a72532015-04-07 21:01:453928 DiscardPendingEntry(false);
Rakina Zata Amniddf10502022-01-15 02:56:553929 if (delegate_) {
Rakina Zata Amnia4e27222021-12-22 01:05:003930 delegate_->NotifyNavigationStateChanged(
Rakina Zata Amniddf10502022-01-15 02:56:553931 (commit_details && commit_details->should_stay_as_initial_entry)
3932 ? INVALIDATE_TYPE_ALL_BUT_KEEPS_INITIAL_NAVIGATION_ENTRY_STATUS
3933 : INVALIDATE_TYPE_ALL_AND_REMOVES_INITIAL_NAVIGATION_ENTRY_STATUS);
3934 }
[email protected]b12eb222013-09-10 00:11:483935}
3936
avi7c6f35e2015-05-08 17:52:383937int NavigationControllerImpl::GetEntryIndexWithUniqueID(
3938 int nav_entry_id) const {
3939 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
3940 if (entries_[i]->GetUniqueID() == nav_entry_id)
3941 return i;
3942 }
3943 return -1;
3944}
3945
[email protected]d202a7c2012-01-04 07:53:473946void NavigationControllerImpl::InsertEntriesFrom(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573947 NavigationControllerImpl* source,
[email protected]e1cd5452010-08-26 18:03:253948 int max_index) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573949 DCHECK_LE(max_index, source->GetEntryCount());
Nate Chapin214a86a2021-06-21 20:35:573950 std::unique_ptr<NavigationEntryRestoreContextImpl> context =
3951 std::make_unique<NavigationEntryRestoreContextImpl>();
[email protected]e1cd5452010-08-26 18:03:253952 for (int i = 0; i < max_index; i++) {
Nate Chapin9f169072021-06-09 19:32:373953 // Normally, cloning a NavigationEntryImpl results in sharing
3954 // FrameNavigationEntries between the original and the clone. However, when
3955 // cloning from a different NavigationControllerImpl, we want to fork the
3956 // FrameNavigationEntries.
Nate Chapin9f169072021-06-09 19:32:373957 entries_.insert(entries_.begin() + i,
Nate Chapin214a86a2021-06-21 20:35:573958 source->entries_[i]->CloneWithoutSharing(context.get()));
[email protected]e1cd5452010-08-26 18:03:253959 }
Rakina Zata Amniafd3c6582021-11-30 06:19:173960 DCHECK_GE(entries_.size(), 1u);
arthursonzogni5c4c202d2017-04-25 23:41:273961 DCHECK(pending_entry_index_ == -1 ||
3962 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
Rakina Zata Amni90555282022-01-21 07:35:543963 if (!source->frame_tree_.root()->is_on_initial_empty_document()) {
3964 // If the source frame tree's root is not on the initial empty document,
3965 // also mark this FrameTree's root as such, so that the next navigation
3966 // won't replace the latest NavigationEntry due to it still being marked as
3967 // "on the initial empty document".
3968 frame_tree_.root()->SetNotOnInitialEmptyDocument();
3969 }
[email protected]e1cd5452010-08-26 18:03:253970}
[email protected]c5b88d82012-10-06 17:03:333971
3972void NavigationControllerImpl::SetGetTimestampCallbackForTest(
Makoto Shimazud2aa2202019-10-09 13:57:183973 const base::RepeatingCallback<base::Time()>& get_timestamp_callback) {
[email protected]c5b88d82012-10-06 17:03:333974 get_timestamp_callback_ = get_timestamp_callback;
3975}
[email protected]8ff00d72012-10-23 19:12:213976
Shivani Sharmaffb32b82019-04-09 16:58:473977// History manipulation intervention:
3978void NavigationControllerImpl::SetShouldSkipOnBackForwardUIIfNeeded(
Shivani Sharmaffb32b82019-04-09 16:58:473979 bool replace_entry,
3980 bool previous_document_was_activated,
Alexander Timine3ec4192020-04-20 16:39:403981 bool is_renderer_initiated,
3982 ukm::SourceId previous_page_load_ukm_source_id) {
Shivani Sharma712d5d72019-04-16 21:56:453983 // Note that for a subframe, previous_document_was_activated is true if the
3984 // gesture happened in any subframe (propagated to main frame) or in the main
3985 // frame itself.
Shivani Sharmaffb32b82019-04-09 16:58:473986 if (replace_entry || previous_document_was_activated ||
shivanigithubcceeacf2020-03-06 20:00:273987 !is_renderer_initiated) {
Shivani Sharmaffb32b82019-04-09 16:58:473988 return;
3989 }
3990 if (last_committed_entry_index_ == -1)
3991 return;
3992
Shivani Sharmac4cc8922019-04-18 03:11:173993 SetSkippableForSameDocumentEntries(last_committed_entry_index_, true);
Shivani Sharmaffb32b82019-04-09 16:58:473994
Alexander Timine3ec4192020-04-20 16:39:403995 // Log UKM with the URL we are navigating away from.
3996 ukm::builders::HistoryManipulationIntervention(
3997 previous_page_load_ukm_source_id)
3998 .Record(ukm::UkmRecorder::Get());
Shivani Sharmaffb32b82019-04-09 16:58:473999}
4000
Shivani Sharmac4cc8922019-04-18 03:11:174001void NavigationControllerImpl::SetSkippableForSameDocumentEntries(
4002 int reference_index,
4003 bool skippable) {
4004 auto* reference_entry = GetEntryAtIndex(reference_index);
4005 reference_entry->set_should_skip_on_back_forward_ui(skippable);
4006
4007 int64_t document_sequence_number =
4008 reference_entry->root_node()->frame_entry->document_sequence_number();
4009 for (int index = 0; index < GetEntryCount(); index++) {
4010 auto* entry = GetEntryAtIndex(index);
4011 if (entry->root_node()->frame_entry->document_sequence_number() ==
4012 document_sequence_number) {
4013 entry->set_should_skip_on_back_forward_ui(skippable);
4014 }
4015 }
4016}
4017
arthursonzogni66f711c2019-10-08 14:40:364018std::unique_ptr<NavigationControllerImpl::PendingEntryRef>
4019NavigationControllerImpl::ReferencePendingEntry() {
4020 DCHECK(pending_entry_);
4021 auto pending_entry_ref =
4022 std::make_unique<PendingEntryRef>(weak_factory_.GetWeakPtr());
4023 pending_entry_refs_.insert(pending_entry_ref.get());
4024 return pending_entry_ref;
4025}
4026
4027void NavigationControllerImpl::PendingEntryRefDeleted(PendingEntryRef* ref) {
4028 // Ignore refs that don't correspond to the current pending entry.
4029 auto it = pending_entry_refs_.find(ref);
4030 if (it == pending_entry_refs_.end())
4031 return;
4032 pending_entry_refs_.erase(it);
4033
4034 if (!pending_entry_refs_.empty())
4035 return;
4036
4037 // The pending entry may be deleted before the last PendingEntryRef.
4038 if (!pending_entry_)
4039 return;
4040
4041 // We usually clear the pending entry when the matching NavigationRequest
4042 // fails, so that an arbitrary URL isn't left visible above a committed page.
4043 //
4044 // However, we do preserve the pending entry in some cases, such as on the
4045 // initial navigation of an unmodified blank tab. We also allow the delegate
4046 // to say when it's safe to leave aborted URLs in the omnibox, to let the
4047 // user edit the URL and try again. This may be useful in cases that the
4048 // committed page cannot be attacker-controlled. In these cases, we still
4049 // allow the view to clear the pending entry and typed URL if the user
4050 // requests (e.g., hitting Escape with focus in the address bar).
4051 //
4052 // Do not leave the pending entry visible if it has an invalid URL, since this
4053 // might be formatted in an unexpected or unsafe way.
4054 // TODO(creis): Block navigations to invalid URLs in https://crbug.com/850824.
arthursonzogni66f711c2019-10-08 14:40:364055 bool should_preserve_entry =
4056 (pending_entry_ == GetVisibleEntry()) &&
4057 pending_entry_->GetURL().is_valid() &&
4058 (IsUnmodifiedBlankTab() || delegate_->ShouldPreserveAbortedURLs());
4059 if (should_preserve_entry)
4060 return;
4061
4062 DiscardPendingEntry(true);
4063 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
4064}
4065
Titouan Rigoudy6ec70402021-02-02 15:42:194066std::unique_ptr<PolicyContainerPolicies>
4067NavigationControllerImpl::ComputePolicyContainerPoliciesForFrameEntry(
Antonio Sartori78a749f2020-11-30 12:03:394068 RenderFrameHostImpl* rfh,
4069 bool is_same_document,
Rakina Zata Amniafd3c6582021-11-30 06:19:174070 const GURL& url) {
Antonio Sartori78a749f2020-11-30 12:03:394071 if (is_same_document) {
Rakina Zata Amniafd3c6582021-11-30 06:19:174072 CHECK(GetLastCommittedEntry());
Charlie Reis73e356242021-04-02 17:10:314073
Antonio Sartori78a749f2020-11-30 12:03:394074 FrameNavigationEntry* previous_frame_entry =
4075 GetLastCommittedEntry()->GetFrameEntry(rfh->frame_tree_node());
4076
4077 // TODO(https://crbug.com/608402): Remove this nullptr check when we can
4078 // ensure we always have a FrameNavigationEntry here.
4079 if (!previous_frame_entry)
4080 return nullptr;
4081
Titouan Rigoudy6ec70402021-02-02 15:42:194082 const PolicyContainerPolicies* previous_policies =
4083 previous_frame_entry->policy_container_policies();
Antonio Sartori78a749f2020-11-30 12:03:394084
Titouan Rigoudy6ec70402021-02-02 15:42:194085 if (!previous_policies)
Antonio Sartori78a749f2020-11-30 12:03:394086 return nullptr;
4087
4088 // Make a copy of the policy container for the new FrameNavigationEntry.
Antonio Sartori5d09b30f2021-03-02 09:27:164089 return previous_policies->Clone();
Antonio Sartori78a749f2020-11-30 12:03:394090 }
4091
Antonio Sartori4f5373792021-05-31 10:56:474092 return rfh->policy_container_host()->policies().Clone();
Antonio Sartori78a749f2020-11-30 12:03:394093}
4094
Hayato Ito2c8c08d02021-06-23 03:38:434095void NavigationControllerImpl::BroadcastHistoryOffsetAndLength() {
Carlos Caballeroede6f8c2021-01-28 11:01:504096 OPTIONAL_TRACE_EVENT2(
Hayato Ito2c8c08d02021-06-23 03:38:434097 "content", "NavigationControllerImpl::BroadcastHistoryOffsetAndLength",
4098 "history_offset", GetLastCommittedEntryIndex(), "history_length",
4099 GetEntryCount());
Carlos Caballeroede6f8c2021-01-28 11:01:504100
4101 auto callback = base::BindRepeating(
4102 [](int history_offset, int history_length, RenderViewHostImpl* rvh) {
4103 if (auto& broadcast = rvh->GetAssociatedPageBroadcast()) {
4104 broadcast->SetHistoryOffsetAndLength(history_offset, history_length);
4105 }
4106 },
Hayato Ito2c8c08d02021-06-23 03:38:434107 GetLastCommittedEntryIndex(), GetEntryCount());
Carlos Caballeroede6f8c2021-01-28 11:01:504108 frame_tree_.root()->render_manager()->ExecutePageBroadcastMethod(callback);
4109}
4110
4111void NavigationControllerImpl::DidAccessInitialMainDocument() {
4112 // We may have left a failed browser-initiated navigation in the address bar
4113 // to let the user edit it and try again. Clear it now that content might
4114 // show up underneath it.
4115 if (!frame_tree_.IsLoading() && GetPendingEntry())
4116 DiscardPendingEntry(false);
4117
4118 // Update the URL display.
4119 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
4120}
4121
4122void NavigationControllerImpl::UpdateStateForFrame(
4123 RenderFrameHostImpl* rfhi,
4124 const blink::PageState& page_state) {
Alexander Timinf785f342021-03-18 00:00:564125 OPTIONAL_TRACE_EVENT1("content",
4126 "NavigationControllerImpl::UpdateStateForFrame",
4127 "render_frame_host", rfhi);
Carlos Caballeroede6f8c2021-01-28 11:01:504128 // The state update affects the last NavigationEntry associated with the given
4129 // |render_frame_host|. This may not be the last committed NavigationEntry (as
4130 // in the case of an UpdateState from a frame being swapped out). We track
4131 // which entry this is in the RenderFrameHost's nav_entry_id.
4132 NavigationEntryImpl* entry = GetEntryWithUniqueID(rfhi->nav_entry_id());
4133 if (!entry)
4134 return;
4135
4136 FrameNavigationEntry* frame_entry =
4137 entry->GetFrameEntry(rfhi->frame_tree_node());
4138 if (!frame_entry)
4139 return;
4140
4141 // The SiteInstance might not match if we do a cross-process navigation with
4142 // replacement (e.g., auto-subframe), in which case the swap out of the old
4143 // RenderFrameHost runs in the background after the old FrameNavigationEntry
4144 // has already been replaced and destroyed.
4145 if (frame_entry->site_instance() != rfhi->GetSiteInstance())
4146 return;
4147
4148 if (page_state == frame_entry->page_state())
4149 return; // Nothing to update.
4150
4151 DCHECK(page_state.IsValid()) << "Shouldn't set an empty PageState.";
4152
4153 // The document_sequence_number and item_sequence_number recorded in the
4154 // FrameNavigationEntry should not differ from the one coming with the update,
4155 // since it must come from the same document. Do not update it if a difference
4156 // is detected, as this indicates that |frame_entry| is not the correct one.
4157 blink::ExplodedPageState exploded_state;
4158 if (!blink::DecodePageState(page_state.ToEncodedData(), &exploded_state))
4159 return;
4160
4161 if (exploded_state.top.document_sequence_number !=
4162 frame_entry->document_sequence_number() ||
4163 exploded_state.top.item_sequence_number !=
4164 frame_entry->item_sequence_number()) {
4165 return;
4166 }
4167
4168 frame_entry->SetPageState(page_state);
4169 NotifyEntryChanged(entry);
4170}
4171
Aaron Colwellb731a0ae2021-03-19 19:14:474172void NavigationControllerImpl::OnStoragePartitionIdAdded(
4173 const StoragePartitionId& partition_id) {
4174 auto it = partition_config_to_id_map_.insert(
4175 std::make_pair(partition_id.config(), partition_id));
4176 bool successful_insert = it.second;
Aaron Colwellb731a0ae2021-03-19 19:14:474177 if (!successful_insert) {
4178 LogStoragePartitionIdCrashKeys(it.first->second, partition_id);
4179 }
Sharon Yangd4f48792021-06-30 17:02:534180 CHECK(successful_insert);
Aaron Colwellb731a0ae2021-03-19 19:14:474181}
4182
4183void NavigationControllerImpl::LogStoragePartitionIdCrashKeys(
4184 const StoragePartitionId& original_partition_id,
4185 const StoragePartitionId& new_partition_id) {
4186 base::debug::SetCrashKeyString(
4187 base::debug::AllocateCrashKeyString("original_partition_id",
4188 base::debug::CrashKeySize::Size256),
4189 original_partition_id.ToString());
4190
4191 base::debug::SetCrashKeyString(
4192 base::debug::AllocateCrashKeyString("new_partition_id",
4193 base::debug::CrashKeySize::Size256),
4194 new_partition_id.ToString());
Aaron Colwellb731a0ae2021-03-19 19:14:474195}
4196
Minggang Wangb9f3fa92021-07-01 15:30:314197std::vector<blink::mojom::AppHistoryEntryPtr>
Nate Chapind1fe3612021-04-16 20:45:574198NavigationControllerImpl::PopulateSingleAppHistoryEntryVector(
4199 Direction direction,
4200 int entry_index,
4201 const url::Origin& pending_origin,
4202 FrameTreeNode* node,
4203 SiteInstance* site_instance,
Nate Chapin63db0d12022-01-20 22:03:304204 int64_t pending_item_sequence_number,
4205 int64_t pending_document_sequence_number) {
Minggang Wangb9f3fa92021-07-01 15:30:314206 std::vector<blink::mojom::AppHistoryEntryPtr> entries;
Rakina Zata Amniafd3c6582021-11-30 06:19:174207 if (GetLastCommittedEntry()->IsInitialEntry()) {
4208 // Don't process the initial entry.
4209 DCHECK_EQ(GetEntryCount(), 1);
4210 return entries;
4211 }
Nate Chapind1fe3612021-04-16 20:45:574212 int offset = direction == Direction::kForward ? 1 : -1;
Nate Chapin63db0d12022-01-20 22:03:304213 int64_t previous_item_sequence_number = pending_item_sequence_number;
Nate Chapind1fe3612021-04-16 20:45:574214 for (int i = entry_index + offset; i >= 0 && i < GetEntryCount();
4215 i += offset) {
4216 FrameNavigationEntry* frame_entry = GetEntryAtIndex(i)->GetFrameEntry(node);
4217 if (!frame_entry || !frame_entry->committed_origin())
4218 break;
Nate Chapind1fe3612021-04-16 20:45:574219 if (!pending_origin.IsSameOriginWith(*frame_entry->committed_origin()))
4220 break;
4221 if (previous_item_sequence_number == frame_entry->item_sequence_number())
4222 continue;
4223 blink::ExplodedPageState exploded_page_state;
4224 if (blink::DecodePageState(frame_entry->page_state().ToEncodedData(),
4225 &exploded_page_state)) {
4226 blink::ExplodedFrameState frame_state = exploded_page_state.top;
Nate Chapin63db0d12022-01-20 22:03:304227
4228 // If the document represented by this FNE hid its full url from appearing
4229 // in a referrer via a "no-referrer" or "origin" referrer policy, censor
4230 // the url in appHistory as well (unless we're navigating to that
4231 // document).
4232 std::u16string url;
4233 if (pending_document_sequence_number ==
4234 frame_entry->document_sequence_number() ||
4235 !frame_entry->protect_url_in_app_history()) {
4236 url = frame_state.url_string.value_or(std::u16string());
4237 }
4238
Minggang Wangb9f3fa92021-07-01 15:30:314239 blink::mojom::AppHistoryEntryPtr entry =
4240 blink::mojom::AppHistoryEntry::New(
4241 frame_state.app_history_key.value_or(std::u16string()),
Nate Chapin63db0d12022-01-20 22:03:304242 frame_state.app_history_id.value_or(std::u16string()), url,
Nate Chapinab5c3a712021-11-18 22:17:094243 frame_state.item_sequence_number,
4244 frame_state.document_sequence_number,
4245 frame_state.app_history_state.value_or(std::u16string()));
Rakina Zata Amniafd3c6582021-11-30 06:19:174246
Nate Chapin63db0d12022-01-20 22:03:304247 DCHECK(entry->url.empty() ||
4248 pending_origin.CanBeDerivedFrom(GURL(entry->url)));
Nate Chapind1fe3612021-04-16 20:45:574249 entries.push_back(std::move(entry));
4250 previous_item_sequence_number = frame_entry->item_sequence_number();
4251 }
4252 }
4253 // If |entries| was constructed by iterating backwards from
4254 // |entry_index|, it's latest-at-the-front, but the renderer will want it
4255 // earliest-at-the-front. Reverse it.
4256 if (direction == Direction::kBack)
4257 std::reverse(entries.begin(), entries.end());
4258 return entries;
4259}
4260
4261void NavigationControllerImpl::PopulateAppHistoryEntryVectors(
4262 NavigationRequest* request) {
4263 url::Origin pending_origin =
4264 request->commit_params().origin_to_commit
4265 ? *request->commit_params().origin_to_commit
4266 : url::Origin::Create(request->common_params().url);
4267
4268 FrameTreeNode* node = request->frame_tree_node();
4269 scoped_refptr<SiteInstance> site_instance =
4270 request->GetRenderFrameHost()->GetSiteInstance();
4271
4272 // NOTE: |entry_index| is an estimate of the index where this entry will
4273 // commit, but it may be wrong in corner cases (e.g., if we are at the max
4274 // entry limit, the earliest entry will be dropped). This is ok because this
4275 // algorithm only uses |entry_index| to walk the entry list as it stands right
4276 // now, and it isn't saved for anything post-commit.
4277 int entry_index = GetPendingEntryIndex();
4278 bool will_create_new_entry = false;
4279 if (NavigationTypeUtils::IsReload(request->common_params().navigation_type) ||
4280 request->common_params().should_replace_current_entry) {
4281 entry_index = GetLastCommittedEntryIndex();
4282 } else if (entry_index == -1) {
4283 will_create_new_entry = true;
4284 entry_index = GetLastCommittedEntryIndex() + 1;
4285 }
4286
4287 int64_t pending_item_sequence_number = 0;
Nate Chapin63db0d12022-01-20 22:03:304288 int64_t pending_document_sequence_number = 0;
Nate Chapind1fe3612021-04-16 20:45:574289 if (auto* pending_entry = GetPendingEntry()) {
Nate Chapin63db0d12022-01-20 22:03:304290 if (auto* frame_entry = pending_entry->GetFrameEntry(node)) {
Nate Chapind1fe3612021-04-16 20:45:574291 pending_item_sequence_number = frame_entry->item_sequence_number();
Nate Chapin63db0d12022-01-20 22:03:304292 pending_document_sequence_number =
4293 frame_entry->document_sequence_number();
4294 }
Nate Chapind1fe3612021-04-16 20:45:574295 }
4296
4297 request->set_app_history_back_entries(PopulateSingleAppHistoryEntryVector(
4298 Direction::kBack, entry_index, pending_origin, node, site_instance.get(),
Nate Chapin63db0d12022-01-20 22:03:304299 pending_item_sequence_number, pending_document_sequence_number));
Nate Chapind1fe3612021-04-16 20:45:574300
4301 // Don't populate forward entries if they will be truncated by a new entry.
4302 if (!will_create_new_entry) {
4303 request->set_app_history_forward_entries(
4304 PopulateSingleAppHistoryEntryVector(
4305 Direction::kForward, entry_index, pending_origin, node,
Nate Chapin63db0d12022-01-20 22:03:304306 site_instance.get(), pending_item_sequence_number,
4307 pending_document_sequence_number));
Nate Chapind1fe3612021-04-16 20:45:574308 }
4309}
4310
Nate Chapinfbfe5af2021-06-10 17:22:084311NavigationControllerImpl::HistoryNavigationAction
4312NavigationControllerImpl::ShouldNavigateToEntryForAppHistoryKey(
4313 FrameNavigationEntry* current_entry,
4314 FrameNavigationEntry* target_entry,
4315 const std::string& app_history_key) {
4316 if (!target_entry || !target_entry->committed_origin())
4317 return HistoryNavigationAction::kStopLooking;
4318 if (current_entry->site_instance() != target_entry->site_instance())
4319 return HistoryNavigationAction::kStopLooking;
4320 if (!current_entry->committed_origin()->IsSameOriginWith(
4321 *target_entry->committed_origin())) {
4322 return HistoryNavigationAction::kStopLooking;
4323 }
4324
4325 // NOTE: We don't actually care between kSameDocument and
4326 // kDifferentDocument, so always use kDifferentDocument by convention.
4327 if (target_entry->app_history_key() == app_history_key)
4328 return HistoryNavigationAction::kDifferentDocument;
4329 return HistoryNavigationAction::kKeepLooking;
4330}
4331
4332void NavigationControllerImpl::NavigateToAppHistoryKey(FrameTreeNode* node,
4333 const std::string& key) {
4334 FrameNavigationEntry* current_entry =
4335 GetLastCommittedEntry()->GetFrameEntry(node);
4336 if (!current_entry)
4337 return;
4338
4339 // We want to find the nearest matching entry that is contiguously
4340 // same-instance and same-origin. Check back first, then forward.
4341 // TODO(japhet): Link spec here once it exists.
4342 for (int i = GetCurrentEntryIndex() - 1; i >= 0; i--) {
4343 auto result = ShouldNavigateToEntryForAppHistoryKey(
4344 current_entry, GetEntryAtIndex(i)->GetFrameEntry(node), key);
4345 if (result == HistoryNavigationAction::kStopLooking)
4346 break;
4347 if (result != HistoryNavigationAction::kKeepLooking) {
Nate Chapin2892b37c2021-10-08 17:33:114348 GoToIndex(i, FrameTreeNode::kFrameTreeNodeInvalidId,
4349 false /* is_browser_initiated*/);
Nate Chapinfbfe5af2021-06-10 17:22:084350 return;
4351 }
4352 }
4353 for (int i = GetCurrentEntryIndex() + 1; i < GetEntryCount(); i++) {
4354 auto result = ShouldNavigateToEntryForAppHistoryKey(
4355 current_entry, GetEntryAtIndex(i)->GetFrameEntry(node), key);
4356 if (result == HistoryNavigationAction::kStopLooking)
4357 break;
4358 if (result != HistoryNavigationAction::kKeepLooking) {
Nate Chapin2892b37c2021-10-08 17:33:114359 GoToIndex(i, FrameTreeNode::kFrameTreeNodeInvalidId,
4360 false /* is_browser_initiated*/);
Nate Chapinfbfe5af2021-06-10 17:22:084361 return;
4362 }
4363 }
4364}
4365
Nate Chapin63db0d12022-01-20 22:03:304366bool NavigationControllerImpl::ShouldProtectUrlInAppHistory(
4367 network::mojom::ReferrerPolicy referrer_policy) {
4368 return referrer_policy == network::mojom::ReferrerPolicy::kNever ||
4369 referrer_policy == network::mojom::ReferrerPolicy::kOrigin;
4370}
4371
shivanigithubf405bf0d2021-11-05 17:58:334372bool NavigationControllerImpl::ShouldMaintainTrivialSessionHistory(
4373 const FrameTreeNode* frame_tree_node) const {
4374 // TODO(https://crbug.com/1197384): We may have to add portals in addition to
4375 // prerender and fenced frames. This should be kept in sync with
Hayato Ito7a80db42021-07-05 06:18:544376 // LocalFrame version, LocalFrame::ShouldMaintainTrivialSessionHistory.
shivanigithubf405bf0d2021-11-05 17:58:334377 return frame_tree_.is_prerendering() ||
4378 frame_tree_node->IsInFencedFrameTree();
Hayato Ito7a80db42021-07-05 06:18:544379}
4380
[email protected]8ff00d72012-10-23 19:12:214381} // namespace content