blob: ddb106d49ab6c175ada8bbc20bee1a00df236c73 [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
[email protected]d4a8ca482013-10-30 21:06:4036#include "content/browser/frame_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"
[email protected]348fbaac2013-06-11 06:31:5145#include "base/strings/string_util.h"
[email protected]74ebfb12013-06-07 20:48:0046#include "base/strings/utf_string_conversions.h"
[email protected]a43858f2013-06-28 15:18:3747#include "base/time/time.h"
ssid3e765612015-01-28 04:03:4248#include "base/trace_event/trace_event.h"
servolkf3955532015-05-16 00:01:5949#include "build/build_config.h"
[email protected]eabfe1912014-05-12 10:07:2850#include "cc/base/switches.h"
jamescookda2505812015-03-20 18:01:1851#include "content/browser/bad_message.h"
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:3952#include "content/browser/blob_storage/chrome_blob_storage_context.h"
[email protected]825b1662012-03-12 19:07:3153#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4154#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0455#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]d4a8ca482013-10-30 21:06:4056#include "content/browser/frame_host/debug_urls.h"
Carlos ILd51e7702020-05-07 18:51:3957#include "content/browser/frame_host/frame_tree.h"
[email protected]d4a8ca482013-10-30 21:06:4058#include "content/browser/frame_host/navigation_entry_impl.h"
Mohamed Abdelhalim833de902019-09-16 17:41:4559#include "content/browser/frame_host/navigation_request.h"
creis4e2ecb72015-06-20 00:46:3060#include "content/browser/frame_host/navigator.h"
Carlos ILd51e7702020-05-07 18:51:3961#include "content/browser/frame_host/render_frame_host_delegate.h"
[email protected]b6583592012-01-25 19:52:3362#include "content/browser/site_instance_impl.h"
Tsuyoshi Horo37493af2019-11-21 23:43:1463#include "content/browser/web_package/web_bundle_navigation_info.h"
Camille Lamy5193caa2018-10-12 11:59:4264#include "content/common/content_constants_internal.h"
[email protected]37567b432014-02-12 01:12:2265#include "content/common/frame_messages.h"
[email protected]0aed2f52011-03-23 18:06:3666#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1167#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1968#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4669#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0070#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3871#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1672#include "content/public/browser/notification_types.h"
Lei Zhang96031532019-10-10 19:05:4773#include "content/public/browser/render_view_host.h"
[email protected]9677a3c2012-12-22 04:18:5874#include "content/public/browser/render_widget_host.h"
75#include "content/public/browser/render_widget_host_view.h"
Mikel Astizba9cf2fd2017-12-17 10:38:1076#include "content/public/browser/replaced_navigation_entry_data.h"
[email protected]4c3a23582012-08-18 08:54:3477#include "content/public/browser/storage_partition.h"
[email protected]d1198fd2012-08-13 22:50:1978#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3879#include "content/public/common/content_constants.h"
toyoshim86e34ec2016-02-25 08:56:1080#include "content/public/common/content_features.h"
Lei Zhang96031532019-10-10 19:05:4781#include "content/public/common/url_constants.h"
clamy7fced7b2017-11-16 19:52:4382#include "content/public/common/url_utils.h"
servolkf3955532015-05-16 00:01:5983#include "media/base/mime_util.h"
[email protected]a23de8572009-06-03 02:16:3284#include "net/base/escape.h"
Arthur Sonzogni620cec62018-12-13 13:08:5785#include "net/http/http_status_code.h"
Shivani Sharma93329102019-01-24 19:44:1886#include "services/metrics/public/cpp/ukm_builders.h"
87#include "services/metrics/public/cpp/ukm_recorder.h"
[email protected]9677a3c2012-12-22 04:18:5888#include "skia/ext/platform_canvas.h"
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:3989#include "third_party/blink/public/common/blob/blob_utils.h"
Blink Reformata30d4232018-04-07 15:31:0690#include "third_party/blink/public/common/mime_util/mime_util.h"
[email protected]cca6f392014-05-28 21:32:2691#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2992
[email protected]8ff00d72012-10-23 19:12:2193namespace content {
[email protected]e9ba4472008-09-14 15:42:4394namespace {
95
96// Invoked when entries have been pruned, or removed. For example, if the
97// current entries are [google, digg, yahoo], with the current entry google,
98// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4799void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
Shivani Sharmab9c46de82019-02-08 16:54:50100 int index,
[email protected]c12bf1a12008-09-17 16:28:49101 int count) {
[email protected]8ff00d72012-10-23 19:12:21102 PrunedDetails details;
Shivani Sharmab9c46de82019-02-08 16:54:50103 details.index = index;
[email protected]c12bf1a12008-09-17 16:28:49104 details.count = count;
Sam McNally5c087a32017-08-25 01:46:14105 nav_controller->delegate()->NotifyNavigationListPruned(details);
[email protected]e9ba4472008-09-14 15:42:43106}
107
[email protected]e9ba4472008-09-14 15:42:43108// Configure all the NavigationEntries in entries for restore. This resets
109// the transition type to reload and makes sure the content state isn't empty.
110void ConfigureEntriesForRestore(
dcheng9bfa5162016-04-09 01:00:57111 std::vector<std::unique_ptr<NavigationEntryImpl>>* entries,
toyoshim0df1d3a2016-09-09 09:52:48112 RestoreType type) {
Lei Zhang96031532019-10-10 19:05:47113 for (auto& entry : *entries) {
[email protected]e9ba4472008-09-14 15:42:43114 // Use a transition type of reload so that we don't incorrectly increase
115 // the typed count.
Lei Zhang96031532019-10-10 19:05:47116 entry->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
117 entry->set_restore_type(type);
[email protected]e9ba4472008-09-14 15:42:43118 }
119}
120
[email protected]bf70edce2012-06-20 22:32:22121// Determines whether or not we should be carrying over a user agent override
122// between two NavigationEntries.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57123bool ShouldKeepOverride(NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22124 return last_entry && last_entry->GetIsOverridingUserAgent();
125}
126
Camille Lamy5193caa2018-10-12 11:59:42127// Determines whether to override user agent for a navigation.
128bool ShouldOverrideUserAgent(
129 NavigationController::UserAgentOverrideOption override_user_agent,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57130 NavigationEntry* last_committed_entry) {
Camille Lamy5193caa2018-10-12 11:59:42131 switch (override_user_agent) {
132 case NavigationController::UA_OVERRIDE_INHERIT:
133 return ShouldKeepOverride(last_committed_entry);
134 case NavigationController::UA_OVERRIDE_TRUE:
135 return true;
136 case NavigationController::UA_OVERRIDE_FALSE:
137 return false;
Camille Lamy5193caa2018-10-12 11:59:42138 }
139 NOTREACHED();
140 return false;
141}
142
clamy0a656e42018-02-06 18:18:28143// Returns true this navigation should be treated as a reload. For e.g.
144// navigating to the last committed url via the address bar or clicking on a
145// link which results in a navigation to the last committed or pending
146// navigation, etc.
147// |url|, |virtual_url|, |base_url_for_data_url|, |transition_type| correspond
148// to the new navigation (i.e. the pending NavigationEntry).
149// |last_committed_entry| is the last navigation that committed.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57150bool ShouldTreatNavigationAsReload(const GURL& url,
151 const GURL& virtual_url,
152 const GURL& base_url_for_data_url,
153 ui::PageTransition transition_type,
154 bool is_main_frame,
155 bool is_post,
156 bool is_reload,
157 bool is_navigation_to_existing_entry,
158 bool has_interstitial,
159 NavigationEntryImpl* last_committed_entry) {
clamy0a656e42018-02-06 18:18:28160 // Don't convert when an interstitial is showing.
161 if (has_interstitial)
162 return false;
163
164 // Only convert main frame navigations to a new entry.
165 if (!is_main_frame || is_reload || is_navigation_to_existing_entry)
166 return false;
167
168 // Only convert to reload if at least one navigation committed.
169 if (!last_committed_entry)
ananta3bdd8ae2016-12-22 17:11:55170 return false;
171
arthursonzogni7a8243682017-12-14 16:41:42172 // Skip navigations initiated by external applications.
clamy0a656e42018-02-06 18:18:28173 if (transition_type & ui::PAGE_TRANSITION_FROM_API)
arthursonzogni7a8243682017-12-14 16:41:42174 return false;
175
ananta3bdd8ae2016-12-22 17:11:55176 // We treat (PAGE_TRANSITION_RELOAD | PAGE_TRANSITION_FROM_ADDRESS_BAR),
177 // PAGE_TRANSITION_TYPED or PAGE_TRANSITION_LINK transitions as navigations
178 // which should be treated as reloads.
clamy0a656e42018-02-06 18:18:28179 bool transition_type_can_be_converted = false;
180 if (ui::PageTransitionCoreTypeIs(transition_type,
181 ui::PAGE_TRANSITION_RELOAD) &&
182 (transition_type & ui::PAGE_TRANSITION_FROM_ADDRESS_BAR)) {
183 transition_type_can_be_converted = true;
ananta3bdd8ae2016-12-22 17:11:55184 }
clamy0a656e42018-02-06 18:18:28185 if (ui::PageTransitionCoreTypeIs(transition_type,
ananta3bdd8ae2016-12-22 17:11:55186 ui::PAGE_TRANSITION_TYPED)) {
clamy0a656e42018-02-06 18:18:28187 transition_type_can_be_converted = true;
188 }
189 if (ui::PageTransitionCoreTypeIs(transition_type, ui::PAGE_TRANSITION_LINK))
190 transition_type_can_be_converted = true;
191 if (!transition_type_can_be_converted)
192 return false;
193
194 // This check is required for cases like view-source:, etc. Here the URL of
195 // the navigation entry would contain the url of the page, while the virtual
196 // URL contains the full URL including the view-source prefix.
197 if (virtual_url != last_committed_entry->GetVirtualURL())
198 return false;
199
200 // Check that the URL match.
201 if (url != last_committed_entry->GetURL())
202 return false;
203
204 // This check is required for Android WebView loadDataWithBaseURL. Apps
205 // can pass in anything in the base URL and we need to ensure that these
206 // match before classifying it as a reload.
207 if (url.SchemeIs(url::kDataScheme) && base_url_for_data_url.is_valid()) {
208 if (base_url_for_data_url != last_committed_entry->GetBaseURLForDataURL())
209 return false;
ananta3bdd8ae2016-12-22 17:11:55210 }
211
clamy0a656e42018-02-06 18:18:28212 // Skip entries with SSL errors.
213 if (last_committed_entry->ssl_error())
214 return false;
215
216 // Don't convert to a reload when the last navigation was a POST or the new
217 // navigation is a POST.
218 if (last_committed_entry->GetHasPostData() || is_post)
219 return false;
220
221 return true;
ananta3bdd8ae2016-12-22 17:11:55222}
223
Nasko Oskov03912102019-01-11 00:21:32224bool DoesURLMatchOriginForNavigation(
225 const GURL& url,
226 const base::Optional<url::Origin>& origin) {
227 // If there is no origin supplied there is nothing to match. This can happen
228 // for navigations to a pending entry and therefore it should be allowed.
229 if (!origin)
230 return true;
231
232 return origin->CanBeDerivedFrom(url);
233}
234
235base::Optional<url::Origin> GetCommittedOriginForFrameEntry(
236 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
237 // Error pages commit in an opaque origin, yet have the real URL that resulted
238 // in an error as the |params.url|. Since successful reload of an error page
239 // should commit in the correct origin, setting the opaque origin on the
240 // FrameNavigationEntry will be incorrect.
241 if (params.url_is_unreachable)
242 return base::nullopt;
243
244 return base::make_optional(params.origin);
245}
246
Camille Lamy5193caa2018-10-12 11:59:42247bool IsValidURLForNavigation(bool is_main_frame,
248 const GURL& virtual_url,
249 const GURL& dest_url) {
250 // Don't attempt to navigate if the virtual URL is non-empty and invalid.
251 if (is_main_frame && !virtual_url.is_valid() && !virtual_url.is_empty()) {
252 LOG(WARNING) << "Refusing to load for invalid virtual URL: "
253 << virtual_url.possibly_invalid_spec();
254 return false;
255 }
256
257 // Don't attempt to navigate to non-empty invalid URLs.
258 if (!dest_url.is_valid() && !dest_url.is_empty()) {
259 LOG(WARNING) << "Refusing to load invalid URL: "
260 << dest_url.possibly_invalid_spec();
261 return false;
262 }
263
264 // The renderer will reject IPC messages with URLs longer than
265 // this limit, so don't attempt to navigate with a longer URL.
266 if (dest_url.spec().size() > url::kMaxURLChars) {
267 LOG(WARNING) << "Refusing to load URL as it exceeds " << url::kMaxURLChars
268 << " characters.";
269 return false;
270 }
271
Aaron Colwell33109c592020-04-21 21:31:19272 // Reject renderer debug URLs because they should have been handled before
273 // we get to this point. This check handles renderer debug URLs
274 // that are inside a view-source: URL (e.g. view-source:chrome://kill) and
275 // provides defense-in-depth if a renderer debug URL manages to get here via
276 // some other path. We want to reject the navigation here so it doesn't
277 // violate assumptions in downstream code.
278 if (IsRendererDebugURL(dest_url)) {
279 LOG(WARNING) << "Refusing to load renderer debug URL: "
280 << dest_url.possibly_invalid_spec();
281 return false;
282 }
283
Camille Lamy5193caa2018-10-12 11:59:42284 return true;
285}
286
Mikel Astizba9cf2fd2017-12-17 10:38:10287// See replaced_navigation_entry_data.h for details: this information is meant
288// to ensure |*output_entry| keeps track of its original URL (landing page in
289// case of server redirects) as it gets replaced (e.g. history.replaceState()),
290// without overwriting it later, for main frames.
291void CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57292 NavigationEntryImpl* replaced_entry,
Mikel Astizba9cf2fd2017-12-17 10:38:10293 NavigationEntryImpl* output_entry) {
294 if (output_entry->GetReplacedEntryData().has_value())
295 return;
296
297 ReplacedNavigationEntryData data;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57298 data.first_committed_url = replaced_entry->GetURL();
299 data.first_timestamp = replaced_entry->GetTimestamp();
300 data.first_transition_type = replaced_entry->GetTransitionType();
Charlie Reisb55438f2019-01-08 01:54:29301 output_entry->set_replaced_entry_data(data);
Mikel Astizba9cf2fd2017-12-17 10:38:10302}
303
Lucas Furukawa Gadanief8290a2019-07-29 20:27:51304mojom::NavigationType GetNavigationType(const GURL& old_url,
305 const GURL& new_url,
306 ReloadType reload_type,
307 NavigationEntryImpl* entry,
308 const FrameNavigationEntry& frame_entry,
309 bool is_same_document_history_load) {
clamyea99ea12018-05-28 13:54:23310 // Reload navigations
311 switch (reload_type) {
312 case ReloadType::NORMAL:
Lucas Furukawa Gadanief8290a2019-07-29 20:27:51313 return mojom::NavigationType::RELOAD;
clamyea99ea12018-05-28 13:54:23314 case ReloadType::BYPASSING_CACHE:
Lucas Furukawa Gadanief8290a2019-07-29 20:27:51315 return mojom::NavigationType::RELOAD_BYPASSING_CACHE;
clamyea99ea12018-05-28 13:54:23316 case ReloadType::ORIGINAL_REQUEST_URL:
Lucas Furukawa Gadanief8290a2019-07-29 20:27:51317 return mojom::NavigationType::RELOAD_ORIGINAL_REQUEST_URL;
clamyea99ea12018-05-28 13:54:23318 case ReloadType::NONE:
319 break; // Fall through to rest of function.
320 }
321
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57322 if (entry->restore_type() == RestoreType::LAST_SESSION_EXITED_CLEANLY) {
Lei Zhang96031532019-10-10 19:05:47323 return entry->GetHasPostData() ? mojom::NavigationType::RESTORE_WITH_POST
324 : mojom::NavigationType::RESTORE;
clamyea99ea12018-05-28 13:54:23325 }
326
327 // History navigations.
328 if (frame_entry.page_state().IsValid()) {
Lei Zhang96031532019-10-10 19:05:47329 return is_same_document_history_load
330 ? mojom::NavigationType::HISTORY_SAME_DOCUMENT
331 : mojom::NavigationType::HISTORY_DIFFERENT_DOCUMENT;
clamyea99ea12018-05-28 13:54:23332 }
333 DCHECK(!is_same_document_history_load);
334
335 // A same-document fragment-navigation happens when the only part of the url
336 // that is modified is after the '#' character.
337 //
338 // When modifying this condition, please take a look at:
339 // FrameLoader::shouldPerformFragmentNavigation.
340 //
341 // Note: this check is only valid for navigations that are not history
342 // navigations. For instance, if the history is: 'A#bar' -> 'B' -> 'A#foo', a
343 // history navigation from 'A#foo' to 'A#bar' is not a same-document
344 // navigation, but a different-document one. This is why history navigation
345 // are classified before this check.
Lei Zhang96031532019-10-10 19:05:47346 bool is_same_doc = new_url.has_ref() && old_url.EqualsIgnoringRef(new_url) &&
347 frame_entry.method() == "GET";
348 return is_same_doc ? mojom::NavigationType::SAME_DOCUMENT
349 : mojom::NavigationType::DIFFERENT_DOCUMENT;
clamyea99ea12018-05-28 13:54:23350}
351
Camille Lamy5193caa2018-10-12 11:59:42352// Adjusts the original input URL if needed, to get the URL to actually load and
353// the virtual URL, which may differ.
354void RewriteUrlForNavigation(const GURL& original_url,
355 BrowserContext* browser_context,
356 GURL* url_to_load,
357 GURL* virtual_url,
358 bool* reverse_on_redirect) {
359 // Fix up the given URL before letting it be rewritten, so that any minor
360 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
361 *virtual_url = original_url;
362 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(virtual_url,
363 browser_context);
364
365 // Allow the browser URL handler to rewrite the URL. This will, for example,
366 // remove "view-source:" from the beginning of the URL to get the URL that
367 // will actually be loaded. This real URL won't be shown to the user, just
368 // used internally.
369 *url_to_load = *virtual_url;
370 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
371 url_to_load, browser_context, reverse_on_redirect);
372}
373
374#if DCHECK_IS_ON()
375// Helper sanity check function used in debug mode.
376void ValidateRequestMatchesEntry(NavigationRequest* request,
377 NavigationEntryImpl* entry) {
378 if (request->frame_tree_node()->IsMainFrame()) {
379 DCHECK_EQ(request->browser_initiated(), !entry->is_renderer_initiated());
380 DCHECK(ui::PageTransitionTypeIncludingQualifiersIs(
381 request->common_params().transition, entry->GetTransitionType()));
382 }
383 DCHECK_EQ(request->common_params().should_replace_current_entry,
384 entry->should_replace_entry());
Nasko Oskovc36327d2019-01-03 23:23:04385 DCHECK_EQ(request->commit_params().should_clear_history_list,
Camille Lamy5193caa2018-10-12 11:59:42386 entry->should_clear_history_list());
387 DCHECK_EQ(request->common_params().has_user_gesture,
388 entry->has_user_gesture());
389 DCHECK_EQ(request->common_params().base_url_for_data_url,
390 entry->GetBaseURLForDataURL());
Nasko Oskovc36327d2019-01-03 23:23:04391 DCHECK_EQ(request->commit_params().can_load_local_resources,
Camille Lamy5193caa2018-10-12 11:59:42392 entry->GetCanLoadLocalResources());
393 DCHECK_EQ(request->common_params().started_from_context_menu,
394 entry->has_started_from_context_menu());
395
396 FrameNavigationEntry* frame_entry =
397 entry->GetFrameEntry(request->frame_tree_node());
398 if (!frame_entry) {
399 NOTREACHED();
400 return;
401 }
402
Camille Lamy5193caa2018-10-12 11:59:42403 DCHECK_EQ(request->common_params().method, frame_entry->method());
404
Nasko Oskovc36327d2019-01-03 23:23:04405 size_t redirect_size = request->commit_params().redirects.size();
Camille Lamy5193caa2018-10-12 11:59:42406 if (redirect_size == frame_entry->redirect_chain().size()) {
407 for (size_t i = 0; i < redirect_size; ++i) {
Nasko Oskovc36327d2019-01-03 23:23:04408 DCHECK_EQ(request->commit_params().redirects[i],
Camille Lamy5193caa2018-10-12 11:59:42409 frame_entry->redirect_chain()[i]);
410 }
411 } else {
412 NOTREACHED();
413 }
414}
415#endif // DCHECK_IS_ON()
416
Dave Tapuska8bfd84c2019-03-26 20:47:16417// Returns whether the session history NavigationRequests in |navigations|
418// would stay within the subtree of the sandboxed iframe in
419// |sandbox_frame_tree_node_id|.
420bool DoesSandboxNavigationStayWithinSubtree(
421 int sandbox_frame_tree_node_id,
422 const std::vector<std::unique_ptr<NavigationRequest>>& navigations) {
423 for (auto& item : navigations) {
424 bool within_subtree = false;
425 // Check whether this NavigationRequest affects a frame within the
426 // sandboxed frame's subtree by walking up the tree looking for the
427 // sandboxed frame.
428 for (auto* frame = item->frame_tree_node(); frame;
Alexander Timin381e7e182020-04-28 19:04:03429 frame = FrameTreeNode::From(frame->parent())) {
Dave Tapuska8bfd84c2019-03-26 20:47:16430 if (frame->frame_tree_node_id() == sandbox_frame_tree_node_id) {
431 within_subtree = true;
432 break;
433 }
434 }
435 if (!within_subtree)
436 return false;
437 }
438 return true;
439}
440
[email protected]e9ba4472008-09-14 15:42:43441} // namespace
442
arthursonzogni66f711c2019-10-08 14:40:36443// NavigationControllerImpl::PendingEntryRef------------------------------------
444
445NavigationControllerImpl::PendingEntryRef::PendingEntryRef(
446 base::WeakPtr<NavigationControllerImpl> controller)
447 : controller_(controller) {}
448
449NavigationControllerImpl::PendingEntryRef::~PendingEntryRef() {
450 if (!controller_) // Can be null with interstitials.
451 return;
452
453 controller_->PendingEntryRefDeleted(this);
454}
455
[email protected]d202a7c2012-01-04 07:53:47456// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29457
[email protected]23a918b2014-07-15 09:51:36458const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23459
[email protected]765b35502008-08-21 00:51:20460// static
[email protected]d202a7c2012-01-04 07:53:47461size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23462 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20463
[email protected]e6fec472013-05-14 05:29:02464// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20465// when testing.
466static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29467
[email protected]71fde352011-12-29 03:29:56468// static
dcheng9bfa5162016-04-09 01:00:57469std::unique_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
470 const GURL& url,
Lukasz Anforowicz641234d52019-11-07 21:07:10471 Referrer referrer,
472 base::Optional<url::Origin> initiator_origin,
473 ui::PageTransition transition,
474 bool is_renderer_initiated,
475 const std::string& extra_headers,
476 BrowserContext* browser_context,
477 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
478 return NavigationControllerImpl::CreateNavigationEntry(
479 url, referrer, std::move(initiator_origin),
480 nullptr /* source_site_instance */, transition, is_renderer_initiated,
481 extra_headers, browser_context, std::move(blob_url_loader_factory));
482}
483
484// static
485std::unique_ptr<NavigationEntryImpl>
486NavigationControllerImpl::CreateNavigationEntry(
487 const GURL& url,
488 Referrer referrer,
489 base::Optional<url::Origin> initiator_origin,
490 SiteInstance* source_site_instance,
dcheng9bfa5162016-04-09 01:00:57491 ui::PageTransition transition,
492 bool is_renderer_initiated,
493 const std::string& extra_headers,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:09494 BrowserContext* browser_context,
495 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
Camille Lamy5193caa2018-10-12 11:59:42496 GURL url_to_load;
497 GURL virtual_url;
[email protected]71fde352011-12-29 03:29:56498 bool reverse_on_redirect = false;
Camille Lamy5193caa2018-10-12 11:59:42499 RewriteUrlForNavigation(url, browser_context, &url_to_load, &virtual_url,
500 &reverse_on_redirect);
[email protected]71fde352011-12-29 03:29:56501
Lukasz Anforowicz641234d52019-11-07 21:07:10502 // Let the NTP override the navigation params and pretend that this is a
503 // browser-initiated, bookmark-like navigation.
504 GetContentClient()->browser()->OverrideNavigationParams(
505 source_site_instance, &transition, &is_renderer_initiated, &referrer,
506 &initiator_origin);
507
Patrick Monettef507e982019-06-19 20:18:06508 auto entry = std::make_unique<NavigationEntryImpl>(
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28509 nullptr, // The site instance for tabs is sent on navigation
510 // (WebContents::GetSiteInstance).
Lukasz Anforowicz435bcb582019-07-12 20:50:06511 url_to_load, referrer, initiator_origin, base::string16(), transition,
Camille Lamy5193caa2018-10-12 11:59:42512 is_renderer_initiated, blob_url_loader_factory);
513 entry->SetVirtualURL(virtual_url);
514 entry->set_user_typed_url(virtual_url);
[email protected]71fde352011-12-29 03:29:56515 entry->set_update_virtual_url_with_url(reverse_on_redirect);
516 entry->set_extra_headers(extra_headers);
Patrick Monettef507e982019-06-19 20:18:06517 return entry;
[email protected]71fde352011-12-29 03:29:56518}
519
[email protected]cdcb1dee2012-01-04 00:46:20520// static
521void NavigationController::DisablePromptOnRepost() {
522 g_check_for_repost = false;
523}
524
[email protected]c5b88d82012-10-06 17:03:33525base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
526 base::Time t) {
527 // If |t| is between the water marks, we're in a run of duplicates
528 // or just getting out of it, so increase the high-water mark to get
529 // a time that probably hasn't been used before and return it.
530 if (low_water_mark_ <= t && t <= high_water_mark_) {
531 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
532 return high_water_mark_;
533 }
534
535 // Otherwise, we're clear of the last duplicate run, so reset the
536 // water marks.
537 low_water_mark_ = high_water_mark_ = t;
538 return t;
539}
540
[email protected]d202a7c2012-01-04 07:53:47541NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57542 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19543 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37544 : browser_context_(browser_context),
[email protected]ec6c05f2013-10-23 18:41:57545 delegate_(delegate),
[email protected]69e797f2013-04-30 01:10:22546 ssl_manager_(this),
Lei Zhang96031532019-10-10 19:05:47547 get_timestamp_callback_(base::BindRepeating(&base::Time::Now)) {
[email protected]3d7474ff2011-07-27 17:47:37548 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29549}
550
[email protected]d202a7c2012-01-04 07:53:47551NavigationControllerImpl::~NavigationControllerImpl() {
arthursonzogni69a6a1b2019-09-17 09:23:00552 // The NavigationControllerImpl might be called inside its delegate
553 // destructor. Calling it is not valid anymore.
554 delegate_ = nullptr;
555 DiscardNonCommittedEntries();
initial.commit09911bf2008-07-26 23:55:29556}
557
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57558WebContents* NavigationControllerImpl::GetWebContents() {
[email protected]ec6c05f2013-10-23 18:41:57559 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32560}
561
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57562BrowserContext* NavigationControllerImpl::GetBrowserContext() {
[email protected]a26023822011-12-29 00:23:55563 return browser_context_;
564}
565
[email protected]d202a7c2012-01-04 07:53:47566void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30567 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36568 RestoreType type,
dcheng9bfa5162016-04-09 01:00:57569 std::vector<std::unique_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57570 // Verify that this controller is unused and that the input is valid.
Lei Zhang96031532019-10-10 19:05:47571 DCHECK_EQ(0, GetEntryCount());
572 DCHECK(!GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57573 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14574 selected_navigation < static_cast<int>(entries->size()));
arthursonzogni5c4c202d2017-04-25 23:41:27575 DCHECK_EQ(-1, pending_entry_index_);
[email protected]ce3fa3c2009-04-20 19:55:57576
[email protected]ce3fa3c2009-04-20 19:55:57577 needs_reload_ = true;
Bo Liucdfa4b12018-11-06 00:21:44578 needs_reload_type_ = NeedsReloadType::kRestoreSession;
avif16f85a72015-11-13 18:25:03579 entries_.reserve(entries->size());
580 for (auto& entry : *entries)
dcheng36b6aec92015-12-26 06:16:36581 entries_.push_back(
582 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
avif16f85a72015-11-13 18:25:03583
584 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
585 // cleared out safely.
586 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57587
588 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36589 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57590}
591
toyoshim6142d96f2016-12-19 09:07:25592void NavigationControllerImpl::Reload(ReloadType reload_type,
593 bool check_for_repost) {
liaoyuke9168fba2017-03-10 19:20:28594 DCHECK_NE(ReloadType::NONE, reload_type);
595
[email protected]669e0ba2012-08-30 23:57:36596 if (transient_entry_index_ != -1) {
597 // If an interstitial is showing, treat a reload as a navigation to the
598 // transient entry's URL.
creis3da03872015-02-20 21:12:32599 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27600 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36601 return;
Aran Gilman37d11632019-10-08 23:07:15602 LoadURL(transient_entry->GetURL(), Referrer(), ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27603 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47604 return;
[email protected]669e0ba2012-08-30 23:57:36605 }
[email protected]cbab76d2008-10-13 22:42:47606
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28607 NavigationEntryImpl* entry = nullptr;
[email protected]59167c22013-06-03 18:07:32608 int current_index = -1;
609
Carlos IL42b416592019-10-07 23:10:36610 if (entry_replaced_by_post_commit_error_) {
611 // If there is an entry that was replaced by a currently active post-commit
612 // error navigation, this can't be the initial navigation.
613 DCHECK(!IsInitialNavigation());
614 // If the current entry is a post commit error, we reload the entry it
615 // replaced instead. We leave the error entry in place until a commit
616 // replaces it, but the pending entry points to the original entry in the
617 // meantime. Note that NavigateToExistingPendingEntry is able to handle the
618 // case that pending_entry_ != entries_[pending_entry_index_].
619 entry = entry_replaced_by_post_commit_error_.get();
620 current_index = GetCurrentEntryIndex();
621 } else if (IsInitialNavigation() && pending_entry_) {
622 // If we are reloading the initial navigation, just use the current
623 // pending entry. Otherwise look up the current entry.
[email protected]59167c22013-06-03 18:07:32624 entry = pending_entry_;
625 // The pending entry might be in entries_ (e.g., after a Clone), so we
626 // should also update the current_index.
627 current_index = pending_entry_index_;
628 } else {
arthursonzogni69a6a1b2019-09-17 09:23:00629 DiscardNonCommittedEntries();
[email protected]59167c22013-06-03 18:07:32630 current_index = GetCurrentEntryIndex();
631 if (current_index != -1) {
creis3da03872015-02-20 21:12:32632 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32633 }
[email protected]979a4bc2013-04-24 01:27:15634 }
[email protected]241db352013-04-22 18:04:05635
[email protected]59167c22013-06-03 18:07:32636 // If we are no where, then we can't reload. TODO(darin): We should add a
637 // CanReload method.
638 if (!entry)
639 return;
640
Takashi Toyoshimac7df3c22019-06-25 14:18:47641 // Set ReloadType for |entry|.
toyoshima63c2a62016-09-29 09:03:26642 entry->set_reload_type(reload_type);
643
Aran Gilman37d11632019-10-08 23:07:15644 if (g_check_for_repost && check_for_repost && entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30645 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07646 // they really want to do this. If they do, the dialog will call us back
647 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57648 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02649
[email protected]106a0812010-03-18 00:15:12650 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57651 delegate_->ActivateAndShowRepostFormWarningDialog();
Lei Zhang96031532019-10-10 19:05:47652 return;
initial.commit09911bf2008-07-26 23:55:29653 }
Lei Zhang96031532019-10-10 19:05:47654
655 if (!IsInitialNavigation())
656 DiscardNonCommittedEntries();
657
658 pending_entry_ = entry;
659 pending_entry_index_ = current_index;
660 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
661
662 NavigateToExistingPendingEntry(reload_type,
663 FrameTreeNode::kFrameTreeNodeInvalidId);
initial.commit09911bf2008-07-26 23:55:29664}
665
[email protected]d202a7c2012-01-04 07:53:47666void NavigationControllerImpl::CancelPendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48667 DCHECK(pending_reload_ != ReloadType::NONE);
668 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12669}
670
[email protected]d202a7c2012-01-04 07:53:47671void NavigationControllerImpl::ContinuePendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48672 if (pending_reload_ == ReloadType::NONE) {
[email protected]106a0812010-03-18 00:15:12673 NOTREACHED();
674 } else {
toyoshim6142d96f2016-12-19 09:07:25675 Reload(pending_reload_, false);
toyoshim0df1d3a2016-09-09 09:52:48676 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12677 }
678}
679
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57680bool NavigationControllerImpl::IsInitialNavigation() {
[email protected]27ba81c2012-08-21 17:04:09681 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11682}
683
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57684bool NavigationControllerImpl::IsInitialBlankNavigation() {
creis10a4ab72015-10-13 17:22:40685 // TODO(creis): Once we create a NavigationEntry for the initial blank page,
toyoshim0df1d3a2016-09-09 09:52:48686 // we'll need to check for entry count 1 and restore_type NONE (to exclude
687 // the cloned tab case).
creis10a4ab72015-10-13 17:22:40688 return IsInitialNavigation() && GetEntryCount() == 0;
689}
690
Aran Gilman37d11632019-10-08 23:07:15691NavigationEntryImpl* NavigationControllerImpl::GetEntryWithUniqueID(
692 int nav_entry_id) const {
avi254eff02015-07-01 08:27:58693 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03694 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58695}
696
W. James MacLean1c40862c2020-04-27 21:05:57697void NavigationControllerImpl::RegisterExistingOriginToPreventOptInIsolation(
698 const url::Origin& origin) {
699 for (int i = 0; i < GetEntryCount(); i++) {
700 auto* entry = GetEntryAtIndex(i);
701 entry->RegisterExistingOriginToPreventOptInIsolation(origin);
702 }
703 if (entry_replaced_by_post_commit_error_) {
704 // It's possible we could come back to this entry if the error
705 // page/interstitial goes away.
706 entry_replaced_by_post_commit_error_
707 ->RegisterExistingOriginToPreventOptInIsolation(origin);
708 }
709 // TODO(wjmaclean): Register pending commit NavigationRequests rather than
710 // visiting pending_entry_, which lacks a committed origin. This will be done
711 // in https://chromium-review.googlesource.com/c/chromium/src/+/2136703.
712}
713
avi25764702015-06-23 15:43:37714void NavigationControllerImpl::SetPendingEntry(
dcheng9bfa5162016-04-09 01:00:57715 std::unique_ptr<NavigationEntryImpl> entry) {
arthursonzogni69a6a1b2019-09-17 09:23:00716 DiscardNonCommittedEntries();
avi25764702015-06-23 15:43:37717 pending_entry_ = entry.release();
arthursonzogni5c4c202d2017-04-25 23:41:27718 DCHECK_EQ(-1, pending_entry_index_);
[email protected]8ff00d72012-10-23 19:12:21719 NotificationService::current()->Notify(
Aran Gilman37d11632019-10-08 23:07:15720 NOTIFICATION_NAV_ENTRY_PENDING, Source<NavigationController>(this),
avi25764702015-06-23 15:43:37721 Details<NavigationEntry>(pending_entry_));
[email protected]765b35502008-08-21 00:51:20722}
723
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57724NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() {
[email protected]cbab76d2008-10-13 22:42:47725 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03726 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:47727 if (pending_entry_)
728 return pending_entry_;
729 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20730}
731
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57732NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() {
[email protected]867e1f92011-08-30 19:01:19733 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03734 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32735 // The pending entry is safe to return for new (non-history), browser-
736 // initiated navigations. Most renderer-initiated navigations should not
737 // show the pending entry, to prevent URL spoof attacks.
738 //
739 // We make an exception for renderer-initiated navigations in new tabs, as
740 // long as no other page has tried to access the initial empty document in
741 // the new tab. If another page modifies this blank page, a URL spoof is
742 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32743 bool safe_to_show_pending =
744 pending_entry_ &&
745 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09746 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32747 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46748 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32749
750 // Also allow showing the pending entry for history navigations in a new tab,
751 // such as Ctrl+Back. In this case, no existing page is visible and no one
752 // can script the new tab before it commits.
Aran Gilman37d11632019-10-08 23:07:15753 if (!safe_to_show_pending && pending_entry_ && pending_entry_index_ != -1 &&
754 IsInitialNavigation() && !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32755 safe_to_show_pending = true;
756
757 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19758 return pending_entry_;
759 return GetLastCommittedEntry();
760}
761
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57762int NavigationControllerImpl::GetCurrentEntryIndex() {
[email protected]cbab76d2008-10-13 22:42:47763 if (transient_entry_index_ != -1)
764 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20765 if (pending_entry_index_ != -1)
766 return pending_entry_index_;
767 return last_committed_entry_index_;
768}
769
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57770NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() {
[email protected]765b35502008-08-21 00:51:20771 if (last_committed_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28772 return nullptr;
avif16f85a72015-11-13 18:25:03773 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20774}
775
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57776bool NavigationControllerImpl::CanViewSource() {
[email protected]ec6c05f2013-10-23 18:41:57777 const std::string& mime_type = delegate_->GetContentsMimeType();
Kinuko Yasuda74702f92017-07-31 03:27:53778 bool is_viewable_mime_type = blink::IsSupportedNonImageMimeType(mime_type) &&
779 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27780 NavigationEntry* visible_entry = GetVisibleEntry();
781 return visible_entry && !visible_entry->IsViewSourceMode() &&
Carlos ILd51e7702020-05-07 18:51:39782 is_viewable_mime_type;
[email protected]31682282010-01-15 18:05:16783}
784
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57785int NavigationControllerImpl::GetLastCommittedEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:27786 // The last committed entry index must always be less than the number of
787 // entries. If there are no entries, it must be -1. However, there may be a
788 // transient entry while the last committed entry index is still -1.
789 DCHECK_LT(last_committed_entry_index_, GetEntryCount());
790 DCHECK(GetEntryCount() || last_committed_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:55791 return last_committed_entry_index_;
792}
793
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57794int NavigationControllerImpl::GetEntryCount() {
Piotr Kalinowski2cccb522019-07-09 12:10:51795 DCHECK_LE(entries_.size(),
796 max_entry_count() + (transient_entry_index_ == -1 ? 0 : 1));
[email protected]a26023822011-12-29 00:23:55797 return static_cast<int>(entries_.size());
798}
799
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57800NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(int index) {
avi25764702015-06-23 15:43:37801 if (index < 0 || index >= GetEntryCount())
802 return nullptr;
803
avif16f85a72015-11-13 18:25:03804 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25805}
806
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57807NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(int offset) {
avi057ce1492015-06-29 15:59:47808 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20809}
810
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57811int NavigationControllerImpl::GetIndexForOffset(int offset) {
[email protected]7bc2b032012-12-19 22:45:46812 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03813}
814
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57815bool NavigationControllerImpl::CanGoBack() {
Shivani Sharma298d12852019-01-22 20:04:03816 if (!base::FeatureList::IsEnabled(features::kHistoryManipulationIntervention))
817 return CanGoToOffset(-1);
818
819 for (int index = GetIndexForOffset(-1); index >= 0; index--) {
820 if (!GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
821 return true;
822 }
823 return false;
[email protected]765b35502008-08-21 00:51:20824}
825
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57826bool NavigationControllerImpl::CanGoForward() {
avi56e40c92015-08-27 00:11:22827 return CanGoToOffset(1);
[email protected]765b35502008-08-21 00:51:20828}
829
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57830bool NavigationControllerImpl::CanGoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03831 int index = GetIndexForOffset(offset);
832 return index >= 0 && index < GetEntryCount();
833}
834
[email protected]d202a7c2012-01-04 07:53:47835void NavigationControllerImpl::GoBack() {
shivanisha55201872018-12-13 04:29:06836 int target_index = GetIndexForOffset(-1);
837
838 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16839 // back button and move the target index past the skippable entries, if
840 // history intervention is enabled.
shivanisha55201872018-12-13 04:29:06841 int count_entries_skipped = 0;
Shivani Sharma298d12852019-01-22 20:04:03842 bool all_skippable_entries = true;
Aran Gilman37d11632019-10-08 23:07:15843 bool history_intervention_enabled =
844 base::FeatureList::IsEnabled(features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06845 for (int index = target_index; index >= 0; index--) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16846 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06847 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16848 } else {
849 if (history_intervention_enabled)
850 target_index = index;
Shivani Sharma298d12852019-01-22 20:04:03851 all_skippable_entries = false;
shivanisha55201872018-12-13 04:29:06852 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16853 }
shivanisha55201872018-12-13 04:29:06854 }
855 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.BackTargetSkipped",
856 count_entries_skipped, kMaxSessionHistoryEntries);
Shivani Sharma298d12852019-01-22 20:04:03857 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.AllBackTargetsSkippable",
858 all_skippable_entries);
859
860 // Do nothing if all entries are skippable. Normally this path would not
861 // happen as consumers would have already checked it in CanGoBack but a lot of
862 // tests do not do that.
863 if (history_intervention_enabled && all_skippable_entries)
864 return;
shivanisha55201872018-12-13 04:29:06865
shivanisha55201872018-12-13 04:29:06866 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20867}
868
[email protected]d202a7c2012-01-04 07:53:47869void NavigationControllerImpl::GoForward() {
shivanisha55201872018-12-13 04:29:06870 int target_index = GetIndexForOffset(1);
871
872 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16873 // forward button and move the target index past the skippable entries, if
874 // history intervention is enabled.
875 // Note that at least one entry (the last one) will be non-skippable since
876 // entries are marked skippable only when they add another entry because of
877 // redirect or pushState.
shivanisha55201872018-12-13 04:29:06878 int count_entries_skipped = 0;
Aran Gilman37d11632019-10-08 23:07:15879 bool history_intervention_enabled =
880 base::FeatureList::IsEnabled(features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06881 for (size_t index = target_index; index < entries_.size(); index++) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16882 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06883 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16884 } else {
885 if (history_intervention_enabled)
886 target_index = index;
shivanisha55201872018-12-13 04:29:06887 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16888 }
shivanisha55201872018-12-13 04:29:06889 }
890 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.ForwardTargetSkipped",
891 count_entries_skipped, kMaxSessionHistoryEntries);
892
shivanisha55201872018-12-13 04:29:06893 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20894}
895
[email protected]d202a7c2012-01-04 07:53:47896void NavigationControllerImpl::GoToIndex(int index) {
Dave Tapuska8bfd84c2019-03-26 20:47:16897 GoToIndex(index, FrameTreeNode::kFrameTreeNodeInvalidId);
898}
899
900void NavigationControllerImpl::GoToIndex(int index,
901 int sandbox_frame_tree_node_id) {
sunjian30574a62017-03-21 21:39:44902 TRACE_EVENT0("browser,navigation,benchmark",
903 "NavigationControllerImpl::GoToIndex");
[email protected]765b35502008-08-21 00:51:20904 if (index < 0 || index >= static_cast<int>(entries_.size())) {
905 NOTREACHED();
906 return;
907 }
908
[email protected]cbab76d2008-10-13 22:42:47909 if (transient_entry_index_ != -1) {
910 if (index == transient_entry_index_) {
911 // Nothing to do when navigating to the transient.
912 return;
913 }
914 if (index > transient_entry_index_) {
915 // Removing the transient is goint to shift all entries by 1.
916 index--;
917 }
918 }
919
920 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20921
arthursonzogni5c4c202d2017-04-25 23:41:27922 DCHECK_EQ(nullptr, pending_entry_);
923 DCHECK_EQ(-1, pending_entry_index_);
924 pending_entry_ = entries_[index].get();
[email protected]765b35502008-08-21 00:51:20925 pending_entry_index_ = index;
arthursonzogni5c4c202d2017-04-25 23:41:27926 pending_entry_->SetTransitionType(ui::PageTransitionFromInt(
927 pending_entry_->GetTransitionType() | ui::PAGE_TRANSITION_FORWARD_BACK));
Dave Tapuska8bfd84c2019-03-26 20:47:16928 NavigateToExistingPendingEntry(ReloadType::NONE, sandbox_frame_tree_node_id);
[email protected]765b35502008-08-21 00:51:20929}
930
[email protected]d202a7c2012-01-04 07:53:47931void NavigationControllerImpl::GoToOffset(int offset) {
toyoshim3af4d502016-03-30 12:38:12932 // Note: This is actually reached in unit tests.
[email protected]9ba14052012-06-22 23:50:03933 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20934 return;
935
[email protected]9ba14052012-06-22 23:50:03936 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20937}
938
[email protected]41374f12013-07-24 02:49:28939bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
Aran Gilman37d11632019-10-08 23:07:15940 if (index == last_committed_entry_index_ || index == pending_entry_index_)
[email protected]41374f12013-07-24 02:49:28941 return false;
[email protected]6a13a6c2011-12-20 21:47:12942
[email protected]43032342011-03-21 14:10:31943 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28944 return true;
[email protected]cbab76d2008-10-13 22:42:47945}
946
Michael Thiessen9b14d512019-09-23 21:19:47947void NavigationControllerImpl::PruneForwardEntries() {
948 DiscardNonCommittedEntries();
949 int remove_start_index = last_committed_entry_index_ + 1;
Lei Zhang96031532019-10-10 19:05:47950 int num_removed = static_cast<int>(entries_.size()) - remove_start_index;
Michael Thiessen9b14d512019-09-23 21:19:47951 if (num_removed <= 0)
952 return;
953 entries_.erase(entries_.begin() + remove_start_index, entries_.end());
954 NotifyPrunedEntries(this, remove_start_index /* start index */,
955 num_removed /* count */);
956}
957
Aran Gilman37d11632019-10-08 23:07:15958void NavigationControllerImpl::UpdateVirtualURLToURL(NavigationEntryImpl* entry,
959 const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32960 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31961 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51962 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
963 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32964 }
965}
966
Aran Gilman37d11632019-10-08 23:07:15967void NavigationControllerImpl::LoadURL(const GURL& url,
968 const Referrer& referrer,
969 ui::PageTransition transition,
970 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47971 LoadURLParams params(url);
972 params.referrer = referrer;
973 params.transition_type = transition;
974 params.extra_headers = extra_headers;
975 LoadURLWithParams(params);
976}
977
978void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
Lukasz Anforowicz435bcb582019-07-12 20:50:06979 if (params.is_renderer_initiated)
980 DCHECK(params.initiator_origin.has_value());
981
naskob8744d22014-08-28 17:07:43982 TRACE_EVENT1("browser,navigation",
Aran Gilman37d11632019-10-08 23:07:15983 "NavigationControllerImpl::LoadURLWithParams", "url",
984 params.url.possibly_invalid_spec());
Ian Vollick9dda0522019-09-11 02:24:29985 bool is_explicit_navigation =
986 GetContentClient()->browser()->IsExplicitNavigation(
987 params.transition_type);
988 if (HandleDebugURL(params.url, params.transition_type,
989 is_explicit_navigation)) {
[email protected]47752982014-07-29 08:01:43990 // If Telemetry is running, allow the URL load to proceed as if it's
991 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49992 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43993 cc::switches::kEnableGpuBenchmarking))
994 return;
995 }
[email protected]8bf1048012012-02-08 01:22:18996
[email protected]cf002332012-08-14 19:17:47997 // Checks based on params.load_type.
998 switch (params.load_type) {
999 case LOAD_TYPE_DEFAULT:
lukasza477a5a22016-06-16 18:28:431000 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:471001 break;
1002 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:261003 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:471004 NOTREACHED() << "Data load must use data scheme.";
1005 return;
1006 }
1007 break;
Lukasz Anforowiczbb0cfd5e2017-12-14 22:39:461008 }
[email protected]e47ae9472011-10-13 19:48:341009
[email protected]e47ae9472011-10-13 19:48:341010 // The user initiated a load, we don't need to reload anymore.
1011 needs_reload_ = false;
1012
clamy21718cc22018-06-13 13:34:241013 NavigateWithoutEntry(params);
[email protected]132e281a2012-07-31 18:32:441014}
1015
Mohamed Abdelhalim833de902019-09-16 17:41:451016bool NavigationControllerImpl::PendingEntryMatchesRequest(
1017 NavigationRequest* request) const {
creisb4dc9332016-03-14 21:39:191018 return pending_entry_ &&
Mohamed Abdelhalim833de902019-09-16 17:41:451019 pending_entry_->GetUniqueID() == request->nav_entry_id();
creisb4dc9332016-03-14 21:39:191020}
1021
[email protected]d202a7c2012-01-04 07:53:471022bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:321023 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221024 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
peary21b0f797b2016-09-28 17:28:331025 LoadCommittedDetails* details,
Eugene But712f03d2018-05-22 16:03:441026 bool is_same_document_navigation,
Shivani Sharmaffb32b82019-04-09 16:58:471027 bool previous_document_was_activated,
Camille Lamy10aafcd32018-12-05 15:48:131028 NavigationRequest* navigation_request) {
1029 DCHECK(navigation_request);
[email protected]cd2e15742013-03-08 04:08:311030 is_initial_navigation_ = false;
1031
[email protected]0e8db942008-09-24 21:21:481032 // Save the previous state before we clobber it.
aelias100c9192017-01-13 00:01:431033 bool overriding_user_agent_changed = false;
[email protected]0e8db942008-09-24 21:21:481034 if (GetLastCommittedEntry()) {
Carlos IL42b416592019-10-07 23:10:361035 if (entry_replaced_by_post_commit_error_) {
1036 if (is_same_document_navigation) {
1037 // Same document navigations should not be possible on error pages and
1038 // would leave the controller in a weird state. Kill the renderer if
1039 // that happens.
1040 bad_message::ReceivedBadMessage(
1041 rfh->GetProcess(), bad_message::NC_SAME_DOCUMENT_POST_COMMIT_ERROR);
1042 }
1043 // Any commit while a post-commit error page is showing should put the
1044 // original entry back, replacing the error page's entry. This includes
1045 // reloads, where the original entry was used as the pending entry and
1046 // should now be at the correct index at commit time.
1047 entries_[last_committed_entry_index_] =
1048 std::move(entry_replaced_by_post_commit_error_);
1049 }
[email protected]36fc0392011-12-25 03:59:511050 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:551051 details->previous_entry_index = GetLastCommittedEntryIndex();
aelias100c9192017-01-13 00:01:431052 if (pending_entry_ &&
1053 pending_entry_->GetIsOverridingUserAgent() !=
1054 GetLastCommittedEntry()->GetIsOverridingUserAgent())
1055 overriding_user_agent_changed = true;
[email protected]0e8db942008-09-24 21:21:481056 } else {
1057 details->previous_url = GURL();
1058 details->previous_entry_index = -1;
1059 }
[email protected]ecd9d8702008-08-28 22:10:171060
Alexander Timind2f2e4f22019-04-02 20:04:531061 // TODO(altimin, crbug.com/933147): Remove this logic after we are done with
1062 // implementing back-forward cache.
1063
1064 // Create a new metrics object or reuse the previous one depending on whether
1065 // it's a main frame navigation or not.
1066 scoped_refptr<BackForwardCacheMetrics> back_forward_cache_metrics =
1067 BackForwardCacheMetrics::CreateOrReuseBackForwardCacheMetrics(
1068 GetLastCommittedEntry(), !rfh->GetParent(),
1069 params.document_sequence_number);
1070 // Notify the last active entry that we have navigated away.
1071 if (!rfh->GetParent() && !is_same_document_navigation) {
1072 if (NavigationEntryImpl* navigation_entry = GetLastCommittedEntry()) {
1073 if (auto* metrics = navigation_entry->back_forward_cache_metrics()) {
Alexander Timinde527cd2019-12-02 09:41:121074 metrics->MainFrameDidNavigateAwayFromDocument(rfh, details,
1075 navigation_request);
Alexander Timind2f2e4f22019-04-02 20:04:531076 }
1077 }
1078 }
1079
fdegans9caf66a2015-07-30 21:10:421080 // If there is a pending entry at this point, it should have a SiteInstance,
1081 // except for restored entries.
jam48cea9082017-02-15 06:13:291082 bool was_restored = false;
toyoshim0df1d3a2016-09-09 09:52:481083 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance() ||
1084 pending_entry_->restore_type() != RestoreType::NONE);
1085 if (pending_entry_ && pending_entry_->restore_type() != RestoreType::NONE) {
1086 pending_entry_->set_restore_type(RestoreType::NONE);
jam48cea9082017-02-15 06:13:291087 was_restored = true;
toyoshim0df1d3a2016-09-09 09:52:481088 }
[email protected]e9ba4472008-09-14 15:42:431089
Nasko Oskovaee2f862018-06-15 00:05:521090 // If this is a navigation to a matching pending_entry_ and the SiteInstance
1091 // has changed, this must be treated as a new navigation with replacement.
1092 // Set the replacement bit here and ClassifyNavigation will identify this
1093 // case and return NEW_PAGE.
1094 if (!rfh->GetParent() && pending_entry_ &&
1095 pending_entry_->GetUniqueID() == params.nav_entry_id &&
1096 pending_entry_->site_instance() &&
1097 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
1098 DCHECK_NE(-1, pending_entry_index_);
1099 // TODO(nasko,creis): Instead of setting this value here, set
1100 // should_replace_current_entry on the parameters we send to the
1101 // renderer process as part of CommitNavigation. The renderer should
1102 // in turn send it back here as part of |params| and it can be just
1103 // enforced and renderer process terminated on mismatch.
1104 details->did_replace_entry = true;
1105 } else {
1106 // The renderer tells us whether the navigation replaces the current entry.
1107 details->did_replace_entry = params.should_replace_current_entry;
1108 }
[email protected]bcd904482012-02-01 01:54:221109
[email protected]e9ba4472008-09-14 15:42:431110 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:431111 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:201112
eugenebutee08663a2017-04-27 17:43:121113 // is_same_document must be computed before the entry gets committed.
Eugene But712f03d2018-05-22 16:03:441114 details->is_same_document = is_same_document_navigation;
[email protected]b9d4dfdc2013-08-08 00:25:121115
Peter Boströmd7592132019-01-30 04:50:311116 // Make sure we do not discard the pending entry for a different ongoing
1117 // navigation when a same document commit comes in unexpectedly from the
1118 // renderer. Limit this to a very narrow set of conditions to avoid risks to
1119 // other navigation types. See https://crbug.com/900036.
1120 // TODO(crbug.com/926009): Handle history.pushState() as well.
Peter Boströmd7592132019-01-30 04:50:311121 bool keep_pending_entry = is_same_document_navigation &&
1122 details->type == NAVIGATION_TYPE_EXISTING_PAGE &&
1123 pending_entry_ &&
Mohamed Abdelhalim833de902019-09-16 17:41:451124 !PendingEntryMatchesRequest(navigation_request);
Peter Boströmd7592132019-01-30 04:50:311125
[email protected]0e8db942008-09-24 21:21:481126 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:211127 case NAVIGATION_TYPE_NEW_PAGE:
shivanisha41f04c52018-12-12 15:52:051128 RendererDidNavigateToNewPage(
1129 rfh, params, details->is_same_document, details->did_replace_entry,
Mohamed Abdelhalim833de902019-09-16 17:41:451130 previous_document_was_activated, navigation_request);
[email protected]e9ba4472008-09-14 15:42:431131 break;
[email protected]8ff00d72012-10-23 19:12:211132 case NAVIGATION_TYPE_EXISTING_PAGE:
eugenebutee08663a2017-04-27 17:43:121133 RendererDidNavigateToExistingPage(rfh, params, details->is_same_document,
Mohamed Abdelhalim833de902019-09-16 17:41:451134 was_restored, navigation_request,
Peter Boströmd7592132019-01-30 04:50:311135 keep_pending_entry);
[email protected]e9ba4472008-09-14 15:42:431136 break;
[email protected]8ff00d72012-10-23 19:12:211137 case NAVIGATION_TYPE_SAME_PAGE:
Joe DeBlasio531e3d92018-11-06 06:26:121138 RendererDidNavigateToSamePage(rfh, params, details->is_same_document,
Mohamed Abdelhalim833de902019-09-16 17:41:451139 navigation_request);
[email protected]e9ba4472008-09-14 15:42:431140 break;
[email protected]8ff00d72012-10-23 19:12:211141 case NAVIGATION_TYPE_NEW_SUBFRAME:
Shivani Sharmaffb32b82019-04-09 16:58:471142 RendererDidNavigateNewSubframe(
1143 rfh, params, details->is_same_document, details->did_replace_entry,
Mohamed Abdelhalim833de902019-09-16 17:41:451144 previous_document_was_activated, navigation_request);
[email protected]e9ba4472008-09-14 15:42:431145 break;
[email protected]8ff00d72012-10-23 19:12:211146 case NAVIGATION_TYPE_AUTO_SUBFRAME:
Mohamed Abdelhalim833de902019-09-16 17:41:451147 if (!RendererDidNavigateAutoSubframe(rfh, params, navigation_request)) {
creisce0ef3572017-01-26 17:53:081148 // We don't send a notification about auto-subframe PageState during
1149 // UpdateStateForFrame, since it looks like nothing has changed. Send
1150 // it here at commit time instead.
1151 NotifyEntryChanged(GetLastCommittedEntry());
[email protected]e9ba4472008-09-14 15:42:431152 return false;
creis59d5a47cb2016-08-24 23:57:191153 }
[email protected]e9ba4472008-09-14 15:42:431154 break;
[email protected]8ff00d72012-10-23 19:12:211155 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:491156 // If a pending navigation was in progress, this canceled it. We should
1157 // discard it and make sure it is removed from the URL bar. After that,
1158 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:431159 // the caller that nothing has happened.
arthursonzogni69a6a1b2019-09-17 09:23:001160 if (pending_entry_)
[email protected]20d1c992011-04-12 21:17:491161 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431162 return false;
Aran Gilman37d11632019-10-08 23:07:151163 case NAVIGATION_TYPE_UNKNOWN:
[email protected]e9ba4472008-09-14 15:42:431164 NOTREACHED();
Aran Gilman37d11632019-10-08 23:07:151165 break;
[email protected]765b35502008-08-21 00:51:201166 }
1167
[email protected]688aa65c62012-09-28 04:32:221168 // At this point, we know that the navigation has just completed, so
1169 // record the time.
1170 //
1171 // TODO(akalin): Use "sane time" as described in
Adam Langley4463fb832018-01-28 22:42:261172 // https://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:331173 base::Time timestamp =
1174 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
1175 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:221176 << timestamp.ToInternalValue();
1177
Peter Boströmd7592132019-01-30 04:50:311178 // If we aren't keeping the pending entry, there shouldn't be one at this
1179 // point. Clear it again in case any error cases above forgot to do so.
1180 // TODO(pbos): Consider a CHECK here that verifies that the pending entry has
1181 // been cleared instead of protecting against it.
1182 if (!keep_pending_entry)
arthursonzogni69a6a1b2019-09-17 09:23:001183 DiscardNonCommittedEntries();
[email protected]f233e4232013-02-23 00:55:141184
[email protected]e9ba4472008-09-14 15:42:431185 // All committed entries should have nonempty content state so WebKit doesn't
1186 // get confused when we go back to them (see the function for details).
creis0cade2e2017-02-28 06:37:471187 DCHECK(params.page_state.IsValid()) << "Shouldn't see an empty PageState.";
creis3da03872015-02-20 21:12:321188 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:221189 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:441190 active_entry->SetHttpStatusCode(params.http_status_code);
Alexander Timind2f2e4f22019-04-02 20:04:531191 // TODO(altimin, crbug.com/933147): Remove this logic after we are done with
1192 // implementing back-forward cache.
1193 if (!active_entry->back_forward_cache_metrics()) {
1194 active_entry->set_back_forward_cache_metrics(
1195 std::move(back_forward_cache_metrics));
1196 }
1197 active_entry->back_forward_cache_metrics()->DidCommitNavigation(
Hajime Hoshi446206e2019-10-18 18:36:251198 navigation_request,
1199 back_forward_cache_.IsAllowed(navigation_request->GetURL()));
naskoc7533512016-05-06 17:01:121200
Charles Reisc0507202017-09-21 00:40:021201 // Grab the corresponding FrameNavigationEntry for a few updates, but only if
1202 // the SiteInstance matches (to avoid updating the wrong entry by mistake).
1203 // A mismatch can occur if the renderer lies or due to a unique name collision
1204 // after a race with an OOPIF (see https://crbug.com/616820).
naskoc7533512016-05-06 17:01:121205 FrameNavigationEntry* frame_entry =
1206 active_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisc0507202017-09-21 00:40:021207 if (frame_entry && frame_entry->site_instance() != rfh->GetSiteInstance())
1208 frame_entry = nullptr;
Charles Reisf44482022017-10-13 21:15:031209 // Make sure we've updated the PageState in one of the helper methods.
creisce0ef3572017-01-26 17:53:081210 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
1211 if (frame_entry) {
Charles Reisf44482022017-10-13 21:15:031212 DCHECK(params.page_state == frame_entry->page_state());
Nasko Oskovbbcfc0002019-11-20 20:03:201213
1214 // Remember the bindings the renderer process has at this point, so that
1215 // we do not grant this entry additional bindings if we come back to it.
1216 frame_entry->SetBindings(rfh->GetEnabledBindings());
creis4e2ecb72015-06-20 00:46:301217 }
[email protected]132e281a2012-07-31 18:32:441218
[email protected]97d8f0d2013-10-29 16:49:211219 // Once it is committed, we no longer need to track several pieces of state on
1220 // the entry.
naskoc7533512016-05-06 17:01:121221 active_entry->ResetForCommit(frame_entry);
[email protected]60d6cca2013-04-30 08:47:131222
shivanisha41f04c52018-12-12 15:52:051223 // It is possible that we are re-using this entry and it was marked to be
1224 // skipped on back/forward UI in its previous navigation. Reset it here so
1225 // that it is set afresh, if applicable, for this navigation.
1226 active_entry->set_should_skip_on_back_forward_ui(false);
1227
[email protected]49bd30e62011-03-22 20:12:591228 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:221229 // TODO(creis): This check won't pass for subframes until we create entries
1230 // for subframe navigations.
avi39c1edd32015-06-04 20:06:001231 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:421232 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:591233
[email protected]e9ba4472008-09-14 15:42:431234 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:001235 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:001236 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:311237 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:531238
Scott Violetc36f7462020-05-06 23:13:031239 // If the NavigationRequest was created without a NavigationEntry and
1240 // SetIsOverridingUserAgent() was called, it needs to be applied to the
1241 // NavigationEntry now.
1242 if (!navigation_request->nav_entry_id() &&
1243 navigation_request->was_set_overriding_user_agent_called()) {
1244 active_entry->SetIsOverridingUserAgent(
1245 navigation_request->entry_overrides_ua());
1246 }
1247
[email protected]93f230e02011-06-01 14:40:001248 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:291249
John Abd-El-Malek380d3c5922017-09-08 00:20:311250 if (active_entry->GetURL().SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451251 navigation_request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek969cdd94e2017-07-10 22:18:161252 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus",
1253 !!active_entry->GetSSL().certificate);
1254 }
1255
aelias100c9192017-01-13 00:01:431256 if (overriding_user_agent_changed)
1257 delegate_->UpdateOverridingUserAgent();
1258
creis03b48002015-11-04 00:54:561259 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
1260 // one knows the latest NavigationEntry it is showing (whether it has
1261 // committed anything in this navigation or not). This allows things like
1262 // state and title updates from RenderFrames to apply to the latest relevant
1263 // NavigationEntry.
dcheng57e39e22016-01-21 00:25:381264 int nav_entry_id = active_entry->GetUniqueID();
1265 for (FrameTreeNode* node : delegate_->GetFrameTree()->Nodes())
1266 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
[email protected]e9ba4472008-09-14 15:42:431267 return true;
initial.commit09911bf2008-07-26 23:55:291268}
1269
[email protected]8ff00d72012-10-23 19:12:211270NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:321271 RenderFrameHostImpl* rfh,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571272 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi7c6f35e2015-05-08 17:52:381273 if (params.did_create_new_entry) {
1274 // A new entry. We may or may not have a pending entry for the page, and
1275 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:001276 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381277 return NAVIGATION_TYPE_NEW_PAGE;
1278 }
1279
1280 // When this is a new subframe navigation, we should have a committed page
1281 // in which it's a subframe. This may not be the case when an iframe is
1282 // navigated on a popup navigated to about:blank (the iframe would be
1283 // written into the popup by script on the main page). For these cases,
1284 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:231285 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:381286 return NAVIGATION_TYPE_NAV_IGNORE;
1287
1288 // Valid subframe navigation.
1289 return NAVIGATION_TYPE_NEW_SUBFRAME;
1290 }
1291
1292 // We only clear the session history when navigating to a new page.
1293 DCHECK(!params.history_list_was_cleared);
1294
avi39c1edd32015-06-04 20:06:001295 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381296 // All manual subframes would be did_create_new_entry and handled above, so
1297 // we know this is auto.
Lei Zhang96031532019-10-10 19:05:471298 if (GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:381299 return NAVIGATION_TYPE_AUTO_SUBFRAME;
Lei Zhang96031532019-10-10 19:05:471300
1301 // We ignore subframes created in non-committed pages; we'd appreciate if
1302 // people stopped doing that.
1303 return NAVIGATION_TYPE_NAV_IGNORE;
avi7c6f35e2015-05-08 17:52:381304 }
1305
1306 if (params.nav_entry_id == 0) {
1307 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1308 // create a new page.
1309
1310 // Just like above in the did_create_new_entry case, it's possible to
1311 // scribble onto an uncommitted page. Again, there isn't any navigation
1312 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231313 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231314 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381315 return NAVIGATION_TYPE_NAV_IGNORE;
1316
Charles Reis1378111f2017-11-08 21:44:061317 // This is history.replaceState() or history.reload().
Nasko Oskov332593c2018-08-16 17:21:341318 // TODO(nasko): With error page isolation, reloading an existing session
1319 // history entry can result in change of SiteInstance. Check for such a case
1320 // here and classify it as NEW_PAGE, as such navigations should be treated
1321 // as new with replacement.
avi259dc792015-07-07 04:42:361322 return NAVIGATION_TYPE_EXISTING_PAGE;
avi7c6f35e2015-05-08 17:52:381323 }
1324
Nasko Oskovaee2f862018-06-15 00:05:521325 if (pending_entry_ && pending_entry_->GetUniqueID() == params.nav_entry_id) {
1326 // If the SiteInstance of the |pending_entry_| does not match the
1327 // SiteInstance that got committed, treat this as a new navigation with
1328 // replacement. This can happen if back/forward/reload encounters a server
1329 // redirect to a different site or an isolated error page gets successfully
1330 // reloaded into a different SiteInstance.
1331 if (pending_entry_->site_instance() &&
1332 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
creis77c9aa32015-09-25 19:59:421333 return NAVIGATION_TYPE_NEW_PAGE;
Nasko Oskovaee2f862018-06-15 00:05:521334 }
creis77c9aa32015-09-25 19:59:421335
Nasko Oskovaee2f862018-06-15 00:05:521336 if (pending_entry_index_ == -1) {
1337 // In this case, we have a pending entry for a load of a new URL but Blink
1338 // didn't do a new navigation (params.did_create_new_entry). First check
1339 // to make sure Blink didn't treat a new cross-process navigation as
1340 // inert, and thus set params.did_create_new_entry to false. In that case,
1341 // we must treat it as NEW since the SiteInstance doesn't match the entry.
1342 if (!GetLastCommittedEntry() ||
1343 GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance()) {
1344 return NAVIGATION_TYPE_NEW_PAGE;
1345 }
1346
1347 // Otherwise, this happens when you press enter in the URL bar to reload.
1348 // We will create a pending entry, but Blink will convert it to a reload
1349 // since it's the same page and not create a new entry for it (the user
1350 // doesn't want to have a new back/forward entry when they do this).
1351 // Therefore we want to just ignore the pending entry and go back to where
1352 // we were (the "existing entry").
1353 // TODO(creis,avi): Eliminate SAME_PAGE in https://crbug.com/536102.
1354 return NAVIGATION_TYPE_SAME_PAGE;
1355 }
avi7c6f35e2015-05-08 17:52:381356 }
1357
creis26d22632017-04-21 20:23:561358 // Everything below here is assumed to be an existing entry, but if there is
1359 // no last committed entry, we must consider it a new navigation instead.
1360 if (!GetLastCommittedEntry())
1361 return NAVIGATION_TYPE_NEW_PAGE;
1362
avi7c6f35e2015-05-08 17:52:381363 if (params.intended_as_new_entry) {
1364 // This was intended to be a navigation to a new entry but the pending entry
1365 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1366 // may not have a pending entry.
1367 return NAVIGATION_TYPE_EXISTING_PAGE;
1368 }
1369
1370 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1371 params.nav_entry_id == failed_pending_entry_id_) {
1372 // If the renderer was going to a new pending entry that got cleared because
1373 // of an error, this is the case of the user trying to retry a failed load
1374 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1375 // have a pending entry.
1376 return NAVIGATION_TYPE_EXISTING_PAGE;
1377 }
1378
1379 // Now we know that the notification is for an existing page. Find that entry.
1380 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1381 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441382 // The renderer has committed a navigation to an entry that no longer
1383 // exists. Because the renderer is showing that page, resurrect that entry.
1384 return NAVIGATION_TYPE_NEW_PAGE;
avi7c6f35e2015-05-08 17:52:381385 }
1386
avi7c6f35e2015-05-08 17:52:381387 // Since we weeded out "new" navigations above, we know this is an existing
1388 // (back/forward) navigation.
1389 return NAVIGATION_TYPE_EXISTING_PAGE;
1390}
1391
[email protected]d202a7c2012-01-04 07:53:471392void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321393 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221394 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361395 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441396 bool replace_entry,
Shivani Sharmaffb32b82019-04-09 16:58:471397 bool previous_document_was_activated,
Mohamed Abdelhalim833de902019-09-16 17:41:451398 NavigationRequest* request) {
dcheng9bfa5162016-04-09 01:00:571399 std::unique_ptr<NavigationEntryImpl> new_entry;
creisf49dfc92016-07-26 17:05:181400 bool update_virtual_url = false;
1401
Lukasz Anforowicz435bcb582019-07-12 20:50:061402 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451403 request->common_params().initiator_origin;
Lukasz Anforowicz435bcb582019-07-12 20:50:061404
creisf49dfc92016-07-26 17:05:181405 // First check if this is an in-page navigation. If so, clone the current
1406 // entry instead of looking at the pending entry, because the pending entry
1407 // does not have any subframe history items.
eugenebut604866f2017-05-10 21:35:361408 if (is_same_document && GetLastCommittedEntry()) {
Patrick Monette50e8bd82019-06-13 22:40:451409 auto frame_entry = base::MakeRefCounted<FrameNavigationEntry>(
Charles Reisd2a509f2017-09-27 23:47:481410 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisf49dfc92016-07-26 17:05:181411 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321412 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
Lukasz Anforowicz435bcb582019-07-12 20:50:061413 params.referrer, initiator_origin, params.redirects, params.page_state,
1414 params.method, params.post_id, nullptr /* blob_url_loader_factory */);
Charles Reisf44482022017-10-13 21:15:031415
creisf49dfc92016-07-26 17:05:181416 new_entry = GetLastCommittedEntry()->CloneAndReplace(
1417 frame_entry, true, rfh->frame_tree_node(),
1418 delegate_->GetFrameTree()->root());
jama78746e2017-02-22 17:21:571419 if (new_entry->GetURL().GetOrigin() != params.url.GetOrigin()) {
1420 // TODO(jam): we had one report of this with a URL that was redirecting to
1421 // only tildes. Until we understand that better, don't copy the cert in
1422 // this case.
1423 new_entry->GetSSL() = SSLStatus();
John Abd-El-Malek9cd697e2017-07-12 21:53:141424
John Abd-El-Malek380d3c5922017-09-08 00:20:311425 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451426 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141427 UMA_HISTOGRAM_BOOLEAN(
1428 "Navigation.SecureSchemeHasSSLStatus.NewPageInPageOriginMismatch",
1429 !!new_entry->GetSSL().certificate);
1430 }
jama78746e2017-02-22 17:21:571431 }
creisf49dfc92016-07-26 17:05:181432
Patrick Monette50e8bd82019-06-13 22:40:451433 // It is expected that |frame_entry| is now owned by |new_entry|. This means
1434 // that |frame_entry| should now have a reference count of exactly 2: one
1435 // due to the local variable |frame_entry|, and another due to |new_entry|
1436 // also retaining one. This should never fail, because it's the main frame.
1437 CHECK(!frame_entry->HasOneRef() && frame_entry->HasAtLeastOneRef());
creisf49dfc92016-07-26 17:05:181438
1439 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malek9cd697e2017-07-12 21:53:141440
John Abd-El-Malek380d3c5922017-09-08 00:20:311441 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451442 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141443 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.NewPageInPage",
1444 !!new_entry->GetSSL().certificate);
1445 }
creisf49dfc92016-07-26 17:05:181446 }
1447
[email protected]6dd86ab2013-02-27 00:30:341448 // Only make a copy of the pending entry if it is appropriate for the new page
csharrison9a9142bc42016-03-01 17:24:041449 // that was just loaded. Verify this by checking if the entry corresponds
Mohamed Abdelhalim833de902019-09-16 17:41:451450 // to the given NavigationRequest. Additionally, coarsely check that:
csharrison9a9142bc42016-03-01 17:24:041451 // 1. The SiteInstance hasn't been assigned to something else.
1452 // 2. The pending entry was intended as a new entry, rather than being a
1453 // history navigation that was interrupted by an unrelated,
1454 // renderer-initiated navigation.
1455 // TODO(csharrison): Investigate whether we can remove some of the coarser
1456 // checks.
Mohamed Abdelhalim833de902019-09-16 17:41:451457 if (!new_entry && PendingEntryMatchesRequest(request) &&
1458 pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341459 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431460 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351461 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431462
[email protected]f1eb87a2011-05-06 17:49:411463 update_virtual_url = new_entry->update_virtual_url_with_url();
Camille Lamy62b826012019-02-26 09:15:471464 new_entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451465 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141466
John Abd-El-Malek380d3c5922017-09-08 00:20:311467 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451468 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141469 UMA_HISTOGRAM_BOOLEAN(
1470 "Navigation.SecureSchemeHasSSLStatus.NewPagePendingEntryMatches",
1471 !!new_entry->GetSSL().certificate);
1472 }
creisf49dfc92016-07-26 17:05:181473 }
1474
1475 // For non-in-page commits with no matching pending entry, create a new entry.
1476 if (!new_entry) {
Lukasz Anforowicz435bcb582019-07-12 20:50:061477 new_entry = std::make_unique<NavigationEntryImpl>(
1478 rfh->GetSiteInstance(), params.url, params.referrer, initiator_origin,
1479 base::string16(), // title
Mohamed Abdelhalim833de902019-09-16 17:41:451480 params.transition, request->IsRendererInitiated(),
Lukasz Anforowicz435bcb582019-07-12 20:50:061481 nullptr); // blob_url_loader_factory
[email protected]f8f93eb2012-09-25 03:06:241482
1483 // Find out whether the new entry needs to update its virtual URL on URL
1484 // change and set up the entry accordingly. This is needed to correctly
1485 // update the virtual URL when replaceState is called after a pushState.
1486 GURL url = params.url;
1487 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431488 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1489 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241490 new_entry->set_update_virtual_url_with_url(needs_update);
1491
[email protected]f1eb87a2011-05-06 17:49:411492 // When navigating to a new page, give the browser URL handler a chance to
1493 // update the virtual URL based on the new URL. For example, this is needed
1494 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1495 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241496 update_virtual_url = needs_update;
Camille Lamy62b826012019-02-26 09:15:471497 new_entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451498 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141499
John Abd-El-Malek380d3c5922017-09-08 00:20:311500 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451501 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141502 UMA_HISTOGRAM_BOOLEAN(
1503 "Navigation.SecureSchemeHasSSLStatus.NewPageNoMatchingEntry",
1504 !!new_entry->GetSSL().certificate);
1505 }
[email protected]e9ba4472008-09-14 15:42:431506 }
1507
wjmaclean7431bb22015-02-19 14:53:431508 // Don't use the page type from the pending entry. Some interstitial page
1509 // may have set the type to interstitial. Once we commit, however, the page
1510 // type must always be normal or error.
1511 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1512 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041513 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411514 if (update_virtual_url)
avi25764702015-06-23 15:43:371515 UpdateVirtualURLToURL(new_entry.get(), params.url);
[email protected]022af742011-12-28 18:37:251516 new_entry->SetReferrer(params.referrer);
[email protected]022af742011-12-28 18:37:251517 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331518 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431519 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]7c16976c2012-08-04 02:38:231520 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221521 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431522
creis8b5cd4c2015-06-19 00:11:081523 // Update the FrameNavigationEntry for new main frame commits.
1524 FrameNavigationEntry* frame_entry =
1525 new_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisd2a509f2017-09-27 23:47:481526 frame_entry->set_frame_unique_name(rfh->frame_tree_node()->unique_name());
creis8b5cd4c2015-06-19 00:11:081527 frame_entry->set_item_sequence_number(params.item_sequence_number);
1528 frame_entry->set_document_sequence_number(params.document_sequence_number);
Charles Reisf44482022017-10-13 21:15:031529 frame_entry->set_redirect_chain(params.redirects);
1530 frame_entry->SetPageState(params.page_state);
clamy432acb22016-04-15 19:41:431531 frame_entry->set_method(params.method);
1532 frame_entry->set_post_id(params.post_id);
Nasko Oskov03912102019-01-11 00:21:321533 if (!params.url_is_unreachable)
1534 frame_entry->set_committed_origin(params.origin);
Tsuyoshi Horob7b033e2020-03-09 15:23:311535 if (request->web_bundle_navigation_info()) {
1536 frame_entry->set_web_bundle_navigation_info(
1537 request->web_bundle_navigation_info()->Clone());
1538 }
creis8b5cd4c2015-06-19 00:11:081539
eugenebut604866f2017-05-10 21:35:361540 // history.pushState() is classified as a navigation to a new page, but sets
1541 // is_same_document to true. In this case, we already have the title and
creisf49dfc92016-07-26 17:05:181542 // favicon available, so set them immediately.
eugenebut604866f2017-05-10 21:35:361543 if (is_same_document && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331544 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191545 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1546 }
[email protected]ff64b3e2014-05-31 04:07:331547
[email protected]60d6cca2013-04-30 08:47:131548 DCHECK(!params.history_list_was_cleared || !replace_entry);
1549 // The browser requested to clear the session history when it initiated the
1550 // navigation. Now we know that the renderer has updated its state accordingly
1551 // and it is safe to also clear the browser side history.
1552 if (params.history_list_was_cleared) {
arthursonzogni69a6a1b2019-09-17 09:23:001553 DiscardNonCommittedEntries();
[email protected]60d6cca2013-04-30 08:47:131554 entries_.clear();
1555 last_committed_entry_index_ = -1;
1556 }
1557
Nasko Oskovaee2f862018-06-15 00:05:521558 // If this is a new navigation with replacement and there is a
1559 // pending_entry_ which matches the navigation reported by the renderer
1560 // process, then it should be the one replaced, so update the
1561 // last_committed_entry_index_ to use it.
1562 if (replace_entry && pending_entry_index_ != -1 &&
1563 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1564 last_committed_entry_index_ = pending_entry_index_;
1565 }
1566
Alexander Timine3ec4192020-04-20 16:39:401567 SetShouldSkipOnBackForwardUIIfNeeded(
1568 rfh, replace_entry, previous_document_was_activated,
1569 request->IsRendererInitiated(), request->GetPreviousPageUkmSourceId());
shivanisha41f04c52018-12-12 15:52:051570
Carlos IL42b416592019-10-07 23:10:361571 InsertOrReplaceEntry(std::move(new_entry), replace_entry,
1572 !request->post_commit_error_page_html().empty());
[email protected]e9ba4472008-09-14 15:42:431573}
1574
[email protected]d202a7c2012-01-04 07:53:471575void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321576 RenderFrameHostImpl* rfh,
jam0576b132016-09-07 05:13:101577 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361578 bool is_same_document,
jam48cea9082017-02-15 06:13:291579 bool was_restored,
Mohamed Abdelhalim833de902019-09-16 17:41:451580 NavigationRequest* request,
Peter Boströmd7592132019-01-30 04:50:311581 bool keep_pending_entry) {
creis26d22632017-04-21 20:23:561582 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1583 << "that a last committed entry exists.";
1584
[email protected]e9ba4472008-09-14 15:42:431585 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001586 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431587
avicbdc4c12015-07-01 16:07:111588 NavigationEntryImpl* entry;
1589 if (params.intended_as_new_entry) {
1590 // This was intended as a new entry but the pending entry was lost in the
1591 // meanwhile and no new page was created. We are stuck at the last committed
1592 // entry.
1593 entry = GetLastCommittedEntry();
eugenebut604866f2017-05-10 21:35:361594 // If this is a same document navigation, then there's no SSLStatus in the
Mohamed Abdelhalim833de902019-09-16 17:41:451595 // NavigationRequest so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361596 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:471597 entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451598 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141599
John Abd-El-Malek380d3c5922017-09-08 00:20:311600 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451601 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141602 bool has_cert = !!entry->GetSSL().certificate;
1603 if (is_same_document) {
1604 UMA_HISTOGRAM_BOOLEAN(
1605 "Navigation.SecureSchemeHasSSLStatus."
1606 "ExistingPageSameDocumentIntendedAsNew",
1607 has_cert);
1608 } else {
1609 UMA_HISTOGRAM_BOOLEAN(
1610 "Navigation.SecureSchemeHasSSLStatus."
1611 "ExistingPageDifferentDocumentIntendedAsNew",
1612 has_cert);
1613 }
1614 }
avicbdc4c12015-07-01 16:07:111615 } else if (params.nav_entry_id) {
1616 // This is a browser-initiated navigation (back/forward/reload).
1617 entry = GetEntryWithUniqueID(params.nav_entry_id);
jamd208b90ce2016-09-01 16:58:161618
eugenebut604866f2017-05-10 21:35:361619 if (is_same_document) {
Mohamed Abdelhalim833de902019-09-16 17:41:451620 // There's no SSLStatus in the NavigationRequest for same document
eugenebut604866f2017-05-10 21:35:361621 // navigations, so normally we leave |entry|'s SSLStatus as is. However if
1622 // this was a restored same document navigation entry, then it won't have
1623 // an SSLStatus. So we need to copy over the SSLStatus from the entry that
1624 // navigated it.
jam48cea9082017-02-15 06:13:291625 NavigationEntryImpl* last_entry = GetLastCommittedEntry();
1626 if (entry->GetURL().GetOrigin() == last_entry->GetURL().GetOrigin() &&
1627 last_entry->GetSSL().initialized && !entry->GetSSL().initialized &&
1628 was_restored) {
1629 entry->GetSSL() = last_entry->GetSSL();
1630 }
1631 } else {
Mohamed Abdelhalim833de902019-09-16 17:41:451632 // In rapid back/forward navigations |request| sometimes won't have a cert
1633 // (http://crbug.com/727892). So we use the request's cert if it exists,
John Abd-El-Malek3f247082017-12-07 19:02:191634 // otherwise we only reuse the existing cert if the origins match.
Mohamed Abdelhalim833de902019-09-16 17:41:451635 if (request->GetSSLInfo().has_value() &&
1636 request->GetSSLInfo()->is_valid()) {
1637 entry->GetSSL() = SSLStatus(*(request->GetSSLInfo()));
1638 } else if (entry->GetURL().GetOrigin() != request->GetURL().GetOrigin()) {
John Abd-El-Malek3f247082017-12-07 19:02:191639 entry->GetSSL() = SSLStatus();
1640 }
jam48cea9082017-02-15 06:13:291641 }
John Abd-El-Malek9cd697e2017-07-12 21:53:141642
John Abd-El-Malek380d3c5922017-09-08 00:20:311643 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451644 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141645 bool has_cert = !!entry->GetSSL().certificate;
1646 if (is_same_document && was_restored) {
1647 UMA_HISTOGRAM_BOOLEAN(
1648 "Navigation.SecureSchemeHasSSLStatus."
1649 "ExistingPageSameDocumentRestoredBrowserInitiated",
1650 has_cert);
1651 } else if (is_same_document && !was_restored) {
1652 UMA_HISTOGRAM_BOOLEAN(
1653 "Navigation.SecureSchemeHasSSLStatus."
1654 "ExistingPageSameDocumentBrowserInitiated",
1655 has_cert);
1656 } else if (!is_same_document && was_restored) {
1657 UMA_HISTOGRAM_BOOLEAN(
1658 "Navigation.SecureSchemeHasSSLStatus."
1659 "ExistingPageRestoredBrowserInitiated",
1660 has_cert);
1661 } else {
1662 UMA_HISTOGRAM_BOOLEAN(
1663 "Navigation.SecureSchemeHasSSLStatus.ExistingPageBrowserInitiated",
1664 has_cert);
1665 }
1666 }
avicbdc4c12015-07-01 16:07:111667 } else {
1668 // This is renderer-initiated. The only kinds of renderer-initated
Charles Reis1378111f2017-11-08 21:44:061669 // navigations that are EXISTING_PAGE are reloads and history.replaceState,
avicbdc4c12015-07-01 16:07:111670 // which land us at the last committed entry.
1671 entry = GetLastCommittedEntry();
jam0576b132016-09-07 05:13:101672
Mikel Astizba9cf2fd2017-12-17 10:38:101673 // TODO(crbug.com/751023): Set page transition type to PAGE_TRANSITION_LINK
1674 // to avoid misleading interpretations (e.g. URLs paired with
1675 // PAGE_TRANSITION_TYPED that haven't actually been typed) as well as to fix
1676 // the inconsistency with what we report to observers (PAGE_TRANSITION_LINK
1677 // | PAGE_TRANSITION_CLIENT_REDIRECT).
1678
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571679 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(entry, entry);
Mikel Astizba9cf2fd2017-12-17 10:38:101680
eugenebut604866f2017-05-10 21:35:361681 // If this is a same document navigation, then there's no SSLStatus in the
Mohamed Abdelhalim833de902019-09-16 17:41:451682 // NavigationRequest so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361683 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:471684 entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451685 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141686
John Abd-El-Malek380d3c5922017-09-08 00:20:311687 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451688 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141689 bool has_cert = !!entry->GetSSL().certificate;
1690 if (is_same_document) {
1691 UMA_HISTOGRAM_BOOLEAN(
1692 "Navigation.SecureSchemeHasSSLStatus."
1693 "ExistingPageSameDocumentRendererInitiated",
1694 has_cert);
1695 } else {
1696 UMA_HISTOGRAM_BOOLEAN(
1697 "Navigation.SecureSchemeHasSSLStatus."
1698 "ExistingPageDifferentDocumentRendererInitiated",
1699 has_cert);
1700 }
1701 }
avicbdc4c12015-07-01 16:07:111702 }
1703 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:431704
[email protected]5ccd4dc2012-10-24 02:28:141705 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431706 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1707 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041708 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201709 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321710 if (entry->update_virtual_url_with_url())
1711 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141712
jam015ba062017-01-06 21:17:001713 // The site instance will normally be the same except
1714 // 1) session restore, when no site instance will be assigned or
1715 // 2) redirect, when the site instance is reset.
Lei Zhang96031532019-10-10 19:05:471716 DCHECK(!entry->site_instance() || !entry->GetRedirectChain().empty() ||
naskoaf182192016-08-11 02:12:011717 entry->site_instance() == rfh->GetSiteInstance());
clamy432acb22016-04-15 19:41:431718
naskoaf182192016-08-11 02:12:011719 // Update the existing FrameNavigationEntry to ensure all of its members
1720 // reflect the parameters coming from the renderer process.
Lukasz Anforowicz435bcb582019-07-12 20:50:061721 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451722 request->common_params().initiator_origin;
naskoaf182192016-08-11 02:12:011723 entry->AddOrUpdateFrameEntry(
1724 rfh->frame_tree_node(), params.item_sequence_number,
1725 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321726 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
Lukasz Anforowicz435bcb582019-07-12 20:50:061727 initiator_origin, params.redirects, params.page_state, params.method,
1728 params.post_id, nullptr /* blob_url_loader_factory */);
creis22a7b4c2016-04-28 07:20:301729
[email protected]5ccd4dc2012-10-24 02:28:141730 // The redirected to page should not inherit the favicon from the previous
1731 // page.
eugenebut604866f2017-05-10 21:35:361732 if (ui::PageTransitionIsRedirect(params.transition) && !is_same_document)
[email protected]91a4ff82012-10-29 20:29:481733 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141734
Peter Boströmd7592132019-01-30 04:50:311735 // We should also usually discard the pending entry if it corresponds to a
1736 // different navigation, since that one is now likely canceled. In rare
1737 // cases, we leave the pending entry for another navigation in place when we
1738 // know it is still ongoing, to avoid a flicker in the omnibox (see
1739 // https://crbug.com/900036).
[email protected]e9ba4472008-09-14 15:42:431740 //
1741 // Note that we need to use the "internal" version since we don't want to
1742 // actually change any other state, just kill the pointer.
Peter Boströmd7592132019-01-30 04:50:311743 if (!keep_pending_entry)
arthursonzogni69a6a1b2019-09-17 09:23:001744 DiscardNonCommittedEntries();
[email protected]40bcc302009-03-02 20:50:391745
[email protected]80858db52009-10-15 00:35:181746 // If a transient entry was removed, the indices might have changed, so we
1747 // have to query the entry index again.
avicbdc4c12015-07-01 16:07:111748 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:431749}
1750
[email protected]d202a7c2012-01-04 07:53:471751void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321752 RenderFrameHostImpl* rfh,
clamy3bf35e3c2016-11-10 15:59:441753 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
Joe DeBlasio531e3d92018-11-06 06:26:121754 bool is_same_document,
Mohamed Abdelhalim833de902019-09-16 17:41:451755 NavigationRequest* request) {
aviaf5660962015-06-30 15:12:291756 // This classification says that we have a pending entry that's the same as
1757 // the last committed entry. This entry is guaranteed to exist by
[email protected]4c27ba82008-09-24 16:49:091758 // ClassifyNavigation. All we need to do is update the existing entry.
aviaf5660962015-06-30 15:12:291759 NavigationEntryImpl* existing_entry = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431760
creis77c9aa32015-09-25 19:59:421761 // If we classified this correctly, the SiteInstance should not have changed.
1762 CHECK_EQ(existing_entry->site_instance(), rfh->GetSiteInstance());
1763
[email protected]e9ba4472008-09-14 15:42:431764 // We assign the entry's unique ID to be that of the new one. Since this is
1765 // always the result of a user action, we want to dismiss infobars, etc. like
1766 // a regular user-initiated navigation.
creis77c9aa32015-09-25 19:59:421767 DCHECK_EQ(pending_entry_->GetUniqueID(), params.nav_entry_id);
[email protected]36fc0392011-12-25 03:59:511768 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431769
[email protected]a0e69262009-06-03 19:08:481770 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431771 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1772 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321773 if (existing_entry->update_virtual_url_with_url())
1774 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041775 existing_entry->SetURL(params.url);
[email protected]a0e69262009-06-03 19:08:481776
jamd208b90ce2016-09-01 16:58:161777 // If a user presses enter in the omnibox and the server redirects, the URL
Joe DeBlasio531e3d92018-11-06 06:26:121778 // might change (but it's still considered a SAME_PAGE navigation), so we must
1779 // update the SSL status if we perform a network request (e.g. a
1780 // non-same-document navigation). Requests that don't result in a network
1781 // request do not have a valid SSL status, but since the document didn't
1782 // change, the previous SSLStatus is still valid.
1783 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:471784 existing_entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451785 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
jamd208b90ce2016-09-01 16:58:161786
John Abd-El-Malek509dfd62017-09-05 21:34:491787 if (existing_entry->GetURL().SchemeIs(url::kHttpsScheme) &&
Mohamed Abdelhalim833de902019-09-16 17:41:451788 !rfh->GetParent() && request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141789 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.SamePage",
1790 !!existing_entry->GetSSL().certificate);
1791 }
1792
jianlid26f6c92016-10-12 21:03:171793 // The extra headers may have changed due to reloading with different headers.
1794 existing_entry->set_extra_headers(pending_entry_->extra_headers());
1795
naskoaf182192016-08-11 02:12:011796 // Update the existing FrameNavigationEntry to ensure all of its members
1797 // reflect the parameters coming from the renderer process.
Lukasz Anforowicz435bcb582019-07-12 20:50:061798 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451799 request->common_params().initiator_origin;
naskoaf182192016-08-11 02:12:011800 existing_entry->AddOrUpdateFrameEntry(
1801 rfh->frame_tree_node(), params.item_sequence_number,
1802 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321803 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
Lukasz Anforowicz435bcb582019-07-12 20:50:061804 initiator_origin, params.redirects, params.page_state, params.method,
1805 params.post_id, nullptr /* blob_url_loader_factory */);
[email protected]b77686522013-12-11 20:34:191806
[email protected]cbab76d2008-10-13 22:42:471807 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431808}
1809
[email protected]d202a7c2012-01-04 07:53:471810void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321811 RenderFrameHostImpl* rfh,
creis1857908a2016-02-25 20:31:521812 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361813 bool is_same_document,
Shivani Sharmaffb32b82019-04-09 16:58:471814 bool replace_entry,
1815 bool previous_document_was_activated,
Mohamed Abdelhalim833de902019-09-16 17:41:451816 NavigationRequest* request) {
avi25f5f9e2015-07-17 20:08:261817 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1818 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
[email protected]09b8f82f2009-06-16 20:22:111819
[email protected]e9ba4472008-09-14 15:42:431820 // Manual subframe navigations just get the current entry cloned so the user
1821 // can go back or forward to it. The actual subframe information will be
1822 // stored in the page state for each of those entries. This happens out of
1823 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091824 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1825 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381826
Mikel Astizba9cf2fd2017-12-17 10:38:101827 // The DCHECK below documents the fact that we don't know of any situation
1828 // where |replace_entry| is true for subframe navigations. This simplifies
1829 // reasoning about the replacement struct for subframes (see
1830 // CopyReplacedNavigationEntryDataIfPreviouslyEmpty()).
1831 DCHECK(!replace_entry);
1832
Patrick Monette50e8bd82019-06-13 22:40:451833 // This FrameNavigationEntry might not end up being used in the
1834 // CloneAndReplace() call below, if a spot can't be found for it in the tree.
Lukasz Anforowicz435bcb582019-07-12 20:50:061835 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451836 request->common_params().initiator_origin;
Patrick Monette50e8bd82019-06-13 22:40:451837 auto frame_entry = base::MakeRefCounted<FrameNavigationEntry>(
Charles Reisd2a509f2017-09-27 23:47:481838 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisce0ef3572017-01-26 17:53:081839 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321840 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
Lukasz Anforowicz435bcb582019-07-12 20:50:061841 params.referrer, initiator_origin, params.redirects, params.page_state,
1842 params.method, params.post_id, nullptr /* blob_url_loader_factory */);
Charles Reisf44482022017-10-13 21:15:031843
creisce0ef3572017-01-26 17:53:081844 std::unique_ptr<NavigationEntryImpl> new_entry =
1845 GetLastCommittedEntry()->CloneAndReplace(
Patrick Monette50e8bd82019-06-13 22:40:451846 std::move(frame_entry), is_same_document, rfh->frame_tree_node(),
creisce0ef3572017-01-26 17:53:081847 delegate_->GetFrameTree()->root());
creise062d542015-08-25 02:01:551848
Alexander Timine3ec4192020-04-20 16:39:401849 SetShouldSkipOnBackForwardUIIfNeeded(
1850 rfh, replace_entry, previous_document_was_activated,
1851 request->IsRendererInitiated(), request->GetPreviousPageUkmSourceId());
Shivani Sharmaffb32b82019-04-09 16:58:471852
creisce0ef3572017-01-26 17:53:081853 // TODO(creis): Update this to add the frame_entry if we can't find the one
Patrick Monette50e8bd82019-06-13 22:40:451854 // to replace, which can happen due to a unique name change. See
1855 // https://crbug.com/607205. For now, the call to CloneAndReplace() will
1856 // delete the |frame_entry| when the function exits if it doesn't get used.
creis96fc55082015-06-13 06:42:381857
Carlos IL42b416592019-10-07 23:10:361858 InsertOrReplaceEntry(std::move(new_entry), replace_entry, false);
[email protected]e9ba4472008-09-14 15:42:431859}
1860
[email protected]d202a7c2012-01-04 07:53:471861bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321862 RenderFrameHostImpl* rfh,
Lukasz Anforowicz435bcb582019-07-12 20:50:061863 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
Mohamed Abdelhalim833de902019-09-16 17:41:451864 NavigationRequest* request) {
avi9f07a0c2015-02-18 22:51:291865 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1866 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1867
[email protected]e9ba4472008-09-14 15:42:431868 // We're guaranteed to have a previously committed entry, and we now need to
1869 // handle navigation inside of a subframe in it without creating a new entry.
1870 DCHECK(GetLastCommittedEntry());
1871
creis913c63ce2016-07-16 19:52:521872 // For newly created subframes, we don't need to send a commit notification.
1873 // This is only necessary for history navigations in subframes.
1874 bool send_commit_notification = false;
1875
1876 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1877 // a history navigation. Update the last committed index accordingly.
1878 // If we don't recognize the |nav_entry_id|, it might be a recently pruned
1879 // entry. We'll handle it below.
avi98405c22015-05-21 20:47:061880 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511881 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
creis3cdc3b02015-05-29 23:00:471882 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061883 // Make sure that a subframe commit isn't changing the main frame's
1884 // origin. Otherwise the renderer process may be confused, leading to a
1885 // URL spoof. We can't check the path since that may change
1886 // (https://crbug.com/373041).
creis37988b92016-06-10 18:03:571887 // TODO(creis): For now, restrict this check to HTTP(S) origins, because
1888 // about:blank, file, and unique origins are more subtle to get right.
Eugene But9fb98d12018-05-22 18:28:331889 // We'll abstract out the relevant checks from IsURLSameDocumentNavigation
1890 // and share them here. See https://crbug.com/618104.
creis37988b92016-06-10 18:03:571891 const GURL& dest_top_url = GetEntryAtIndex(entry_index)->GetURL();
1892 const GURL& current_top_url = GetLastCommittedEntry()->GetURL();
1893 if (current_top_url.SchemeIsHTTPOrHTTPS() &&
1894 dest_top_url.SchemeIsHTTPOrHTTPS() &&
1895 current_top_url.GetOrigin() != dest_top_url.GetOrigin()) {
creisfb6eeb62016-05-10 19:01:511896 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1897 bad_message::NC_AUTO_SUBFRAME);
avi98405c22015-05-21 20:47:061898 }
creis3cdc3b02015-05-29 23:00:471899
creis913c63ce2016-07-16 19:52:521900 // We only need to discard the pending entry in this history navigation
1901 // case. For newly created subframes, there was no pending entry.
avi98405c22015-05-21 20:47:061902 last_committed_entry_index_ = entry_index;
arthursonzogni69a6a1b2019-09-17 09:23:001903 DiscardNonCommittedEntries();
creis913c63ce2016-07-16 19:52:521904
1905 // History navigations should send a commit notification.
1906 send_commit_notification = true;
avi98405c22015-05-21 20:47:061907 }
[email protected]e9ba4472008-09-14 15:42:431908 }
[email protected]f233e4232013-02-23 00:55:141909
creisce0ef3572017-01-26 17:53:081910 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1911 // it may be a "history auto" case where we update an existing one.
1912 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
Lukasz Anforowicz435bcb582019-07-12 20:50:061913 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451914 request->common_params().initiator_origin;
creisce0ef3572017-01-26 17:53:081915 last_committed->AddOrUpdateFrameEntry(
1916 rfh->frame_tree_node(), params.item_sequence_number,
1917 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321918 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
Lukasz Anforowicz435bcb582019-07-12 20:50:061919 initiator_origin, params.redirects, params.page_state, params.method,
1920 params.post_id, nullptr /* blob_url_loader_factory */);
creis625a0c7d2015-03-24 23:17:121921
creis913c63ce2016-07-16 19:52:521922 return send_commit_notification;
[email protected]e9ba4472008-09-14 15:42:431923}
1924
[email protected]d202a7c2012-01-04 07:53:471925int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231926 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:031927 for (size_t i = 0; i < entries_.size(); ++i) {
1928 if (entries_[i].get() == entry)
1929 return i;
1930 }
1931 return -1;
[email protected]765b35502008-08-21 00:51:201932}
1933
Eugene But7cc259d2017-10-09 23:52:491934// There are two general cases where a navigation is "same-document":
avidb7d1d22015-06-08 21:21:501935// 1. A fragment navigation, in which the url is kept the same except for the
1936// reference fragment.
1937// 2. A history API navigation (pushState and replaceState). This case is
Eugene But7cc259d2017-10-09 23:52:491938// always same-document, but the urls are not guaranteed to match excluding
1939// the fragment. The relevant spec allows pushState/replaceState to any URL
1940// on the same origin.
avidb7d1d22015-06-08 21:21:501941// However, due to reloads, even identical urls are *not* guaranteed to be
Eugene But7cc259d2017-10-09 23:52:491942// same-document navigations, we have to trust the renderer almost entirely.
avidb7d1d22015-06-08 21:21:501943// The one thing we do know is that cross-origin navigations will *never* be
Eugene But7cc259d2017-10-09 23:52:491944// same-document. Therefore, trust the renderer if the URLs are on the same
1945// origin, and assume the renderer is malicious if a cross-origin navigation
1946// claims to be same-document.
creisf164daa2016-06-07 00:17:051947//
1948// TODO(creis): Clean up and simplify the about:blank and origin checks below,
1949// which are likely redundant with each other. Be careful about data URLs vs
1950// about:blank, both of which are unique origins and thus not considered equal.
Eugene But7cc259d2017-10-09 23:52:491951bool NavigationControllerImpl::IsURLSameDocumentNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121952 const GURL& url,
creisf164daa2016-06-07 00:17:051953 const url::Origin& origin,
Eugene But7cc259d2017-10-09 23:52:491954 bool renderer_says_same_document,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571955 RenderFrameHost* rfh) {
creis225a7432016-06-03 22:56:271956 RenderFrameHostImpl* rfhi = static_cast<RenderFrameHostImpl*>(rfh);
avidb7d1d22015-06-08 21:21:501957 GURL last_committed_url;
1958 if (rfh->GetParent()) {
creis225a7432016-06-03 22:56:271959 // Use the FrameTreeNode's current_url and not rfh->GetLastCommittedURL(),
1960 // which might be empty in a new RenderFrameHost after a process swap.
1961 // Here, we care about the last committed URL in the FrameTreeNode,
1962 // regardless of which process it is in.
1963 last_committed_url = rfhi->frame_tree_node()->current_url();
avidb7d1d22015-06-08 21:21:501964 } else {
1965 NavigationEntry* last_committed = GetLastCommittedEntry();
1966 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1967 // might Blink say that a navigation is in-page yet there be no last-
1968 // committed entry?
1969 if (!last_committed)
1970 return false;
1971 last_committed_url = last_committed->GetURL();
1972 }
1973
1974 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
creis225a7432016-06-03 22:56:271975 const url::Origin& committed_origin =
1976 rfhi->frame_tree_node()->current_origin();
avidb7d1d22015-06-08 21:21:501977 bool is_same_origin = last_committed_url.is_empty() ||
1978 // TODO(japhet): We should only permit navigations
1979 // originating from about:blank to be in-page if the
1980 // about:blank is the first document that frame loaded.
1981 // We don't have sufficient information to identify
1982 // that case at the moment, so always allow about:blank
1983 // for now.
csharrisona3bd0b32016-10-19 18:40:481984 last_committed_url == url::kAboutBlankURL ||
avidb7d1d22015-06-08 21:21:501985 last_committed_url.GetOrigin() == url.GetOrigin() ||
creisf164daa2016-06-07 00:17:051986 committed_origin == origin ||
avidb7d1d22015-06-08 21:21:501987 !prefs.web_security_enabled ||
1988 (prefs.allow_universal_access_from_file_urls &&
creisdc004e02015-11-20 21:28:471989 committed_origin.scheme() == url::kFileScheme);
Eugene But7cc259d2017-10-09 23:52:491990 if (!is_same_origin && renderer_says_same_document) {
avidb7d1d22015-06-08 21:21:501991 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1992 bad_message::NC_IN_PAGE_NAVIGATION);
1993 }
Eugene But7cc259d2017-10-09 23:52:491994 return is_same_origin && renderer_says_same_document;
[email protected]e9ba4472008-09-14 15:42:431995}
1996
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571997void NavigationControllerImpl::CopyStateFrom(NavigationController* temp,
Francois Dorayeaace782017-06-21 16:37:241998 bool needs_reload) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571999 NavigationControllerImpl* source =
2000 static_cast<NavigationControllerImpl*>(temp);
[email protected]ce3fa3c2009-04-20 19:55:572001 // Verify that we look new.
Lei Zhang96031532019-10-10 19:05:472002 DCHECK_EQ(0, GetEntryCount());
2003 DCHECK(!GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:572004
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572005 if (source->GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:572006 return; // Nothing new to do.
2007
Francois Dorayeaace782017-06-21 16:37:242008 needs_reload_ = needs_reload;
Bo Liucdfa4b12018-11-06 00:21:442009 needs_reload_type_ = NeedsReloadType::kCopyStateFrom;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572010 InsertEntriesFrom(source, source->GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:572011
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572012 for (auto it = source->session_storage_namespace_map_.begin();
2013 it != source->session_storage_namespace_map_.end(); ++it) {
[email protected]fdac6ade2013-07-20 01:06:302014 SessionStorageNamespaceImpl* source_namespace =
2015 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
2016 session_storage_namespace_map_[it->first] = source_namespace->Clone();
2017 }
[email protected]4e6419c2010-01-15 04:50:342018
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572019 FinishRestore(source->last_committed_entry_index_,
toyoshim0df1d3a2016-09-09 09:52:482020 RestoreType::CURRENT_SESSION);
[email protected]ce3fa3c2009-04-20 19:55:572021}
2022
Aran Gilman37d11632019-10-08 23:07:152023void NavigationControllerImpl::CopyStateFromAndPrune(NavigationController* temp,
2024 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:162025 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:012026 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:162027
[email protected]d202a7c2012-01-04 07:53:472028 NavigationControllerImpl* source =
2029 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:252030
avi2b177592014-12-10 02:08:022031 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:012032 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:252033
[email protected]474f8512013-05-31 22:31:162034 // We now have one entry, possibly with a new pending entry. Ensure that
2035 // adding the entries from source won't put us over the limit.
2036 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:572037 if (!replace_entry)
Shivani Sharmad8c8d652019-02-13 17:27:572038 source->PruneOldestSkippableEntryIfFull();
[email protected]944822b2012-03-02 20:57:252039
[email protected]47e020a2010-10-15 14:43:372040 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:022041 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:162042 // since it has not committed in source.
2043 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:252044 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:552045 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:252046 else
2047 max_source_index++;
[email protected]e78a6852013-12-13 08:08:572048
2049 // Ignore the source's current entry if merging with replacement.
2050 // TODO(davidben): This should preserve entries forward of the current
2051 // too. http://crbug.com/317872
2052 if (replace_entry && max_source_index > 0)
2053 max_source_index--;
2054
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572055 InsertEntriesFrom(source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:252056
2057 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:552058 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:142059
avi2b177592014-12-10 02:08:022060 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
2061 GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:252062}
2063
[email protected]79368982013-11-13 01:11:012064bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:162065 // If there is no last committed entry, we cannot prune. Even if there is a
2066 // pending entry, it may not commit, leaving this WebContents blank, despite
2067 // possibly giving it new entries via CopyStateFromAndPrune.
2068 if (last_committed_entry_index_ == -1)
2069 return false;
[email protected]9350602e2013-02-26 23:27:442070
[email protected]474f8512013-05-31 22:31:162071 // We cannot prune if there is a pending entry at an existing entry index.
2072 // It may not commit, so we have to keep the last committed entry, and thus
2073 // there is no sensible place to keep the pending entry. It is ok to have
2074 // a new pending entry, which can optionally commit as a new navigation.
2075 if (pending_entry_index_ != -1)
2076 return false;
2077
2078 // We should not prune if we are currently showing a transient entry.
2079 if (transient_entry_index_ != -1)
2080 return false;
2081
2082 return true;
2083}
2084
[email protected]79368982013-11-13 01:11:012085void NavigationControllerImpl::PruneAllButLastCommitted() {
2086 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:162087
avi2b177592014-12-10 02:08:022088 DCHECK_EQ(0, last_committed_entry_index_);
2089 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:442090
avi2b177592014-12-10 02:08:022091 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
2092 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:442093}
2094
[email protected]79368982013-11-13 01:11:012095void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:162096 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:012097 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:262098
[email protected]474f8512013-05-31 22:31:162099 // Erase all entries but the last committed entry. There may still be a
2100 // new pending entry after this.
2101 entries_.erase(entries_.begin(),
2102 entries_.begin() + last_committed_entry_index_);
2103 entries_.erase(entries_.begin() + 1, entries_.end());
2104 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:262105}
2106
Christian Dullweber1af31e62018-02-22 11:49:482107void NavigationControllerImpl::DeleteNavigationEntries(
2108 const DeletionPredicate& deletionPredicate) {
2109 // It is up to callers to check the invariants before calling this.
2110 CHECK(CanPruneAllButLastCommitted());
2111 std::vector<int> delete_indices;
2112 for (size_t i = 0; i < entries_.size(); i++) {
2113 if (i != static_cast<size_t>(last_committed_entry_index_) &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572114 deletionPredicate.Run(entries_[i].get())) {
Christian Dullweber1af31e62018-02-22 11:49:482115 delete_indices.push_back(i);
2116 }
2117 }
2118 if (delete_indices.empty())
2119 return;
2120
2121 if (delete_indices.size() == GetEntryCount() - 1U) {
2122 PruneAllButLastCommitted();
2123 } else {
2124 // Do the deletion in reverse to preserve indices.
2125 for (auto it = delete_indices.rbegin(); it != delete_indices.rend(); ++it) {
2126 RemoveEntryAtIndex(*it);
2127 }
2128 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
2129 GetEntryCount());
2130 }
2131 delegate()->NotifyNavigationEntriesDeleted();
2132}
2133
Shivani Sharma883f5f32019-02-12 18:20:012134bool NavigationControllerImpl::IsEntryMarkedToBeSkipped(int index) {
2135 auto* entry = GetEntryAtIndex(index);
2136 return entry && entry->should_skip_on_back_forward_ui();
2137}
2138
Carlos Caballero35ce710c2019-09-19 10:59:452139BackForwardCacheImpl& NavigationControllerImpl::GetBackForwardCache() {
2140 return back_forward_cache_;
2141}
2142
clamy987a3752018-05-03 17:36:262143void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
2144 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
2145 // progress, since this will cause a use-after-free. (We only allow this
2146 // when the tab is being destroyed for shutdown, since it won't return to
2147 // NavigateToEntry in that case.) http://crbug.com/347742.
2148 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
2149
2150 if (was_failure && pending_entry_) {
2151 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
2152 } else {
2153 failed_pending_entry_id_ = 0;
2154 }
2155
2156 if (pending_entry_) {
2157 if (pending_entry_index_ == -1)
2158 delete pending_entry_;
2159 pending_entry_index_ = -1;
2160 pending_entry_ = nullptr;
2161 }
arthursonzogni66f711c2019-10-08 14:40:362162
2163 // Ensure any refs to the current pending entry are ignored if they get
2164 // deleted, by clearing the set of known refs. All future pending entries will
2165 // only be affected by new refs.
2166 pending_entry_refs_.clear();
clamy987a3752018-05-03 17:36:262167}
2168
2169void NavigationControllerImpl::SetPendingNavigationSSLError(bool error) {
2170 if (pending_entry_)
2171 pending_entry_->set_ssl_error(error);
2172}
2173
Camille Lamy5193caa2018-10-12 11:59:422174#if defined(OS_ANDROID)
2175// static
2176bool NavigationControllerImpl::ValidateDataURLAsString(
2177 const scoped_refptr<const base::RefCountedString>& data_url_as_string) {
2178 if (!data_url_as_string)
2179 return false;
2180
2181 if (data_url_as_string->size() > kMaxLengthOfDataURLString)
2182 return false;
2183
2184 // The number of characters that is enough for validating a data: URI.
2185 // From the GURL's POV, the only important part here is scheme, it doesn't
2186 // check the actual content. Thus we can take only the prefix of the url, to
2187 // avoid unneeded copying of a potentially long string.
2188 const size_t kDataUriPrefixMaxLen = 64;
2189 GURL data_url(
2190 std::string(data_url_as_string->front_as<char>(),
2191 std::min(data_url_as_string->size(), kDataUriPrefixMaxLen)));
2192 if (!data_url.is_valid() || !data_url.SchemeIs(url::kDataScheme))
2193 return false;
2194
2195 return true;
2196}
2197#endif
2198
Shivani Sharma194877032019-03-07 17:52:472199void NavigationControllerImpl::NotifyUserActivation() {
2200 // When a user activation occurs, ensure that all adjacent entries for the
2201 // same document clear their skippable bit, so that the history manipulation
2202 // intervention does not apply to them.
Shivani Sharmaffb32b82019-04-09 16:58:472203 // TODO(crbug.com/949279) in case it becomes necessary for resetting based on
2204 // which frame created an entry and which frame has the user gesture.
Shivani Sharma194877032019-03-07 17:52:472205 auto* last_committed_entry = GetLastCommittedEntry();
2206 if (!last_committed_entry)
2207 return;
Shivani Sharma194877032019-03-07 17:52:472208
2209 // |last_committed_entry| should not be skippable because it is the current
2210 // entry and in case the skippable bit was earlier set then on re-navigation
2211 // it would have been reset.
2212 DCHECK(!last_committed_entry->should_skip_on_back_forward_ui());
Shivani Sharmac4cc8922019-04-18 03:11:172213 SetSkippableForSameDocumentEntries(GetLastCommittedEntryIndex(), false);
Shivani Sharma194877032019-03-07 17:52:472214}
2215
clamy987a3752018-05-03 17:36:262216bool NavigationControllerImpl::StartHistoryNavigationInNewSubframe(
2217 RenderFrameHostImpl* render_frame_host,
Julie Jeongeun Kimed2e5ba72019-09-12 10:14:172218 mojo::PendingAssociatedRemote<mojom::NavigationClient>* navigation_client) {
clamy987a3752018-05-03 17:36:262219 NavigationEntryImpl* entry =
2220 GetEntryWithUniqueID(render_frame_host->nav_entry_id());
2221 if (!entry)
2222 return false;
2223
2224 FrameNavigationEntry* frame_entry =
2225 entry->GetFrameEntry(render_frame_host->frame_tree_node());
2226 if (!frame_entry)
2227 return false;
2228
Camille Lamy5193caa2018-10-12 11:59:422229 std::unique_ptr<NavigationRequest> request = CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572230 render_frame_host->frame_tree_node(), entry, frame_entry,
clamyea99ea12018-05-28 13:54:232231 ReloadType::NONE, false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422232 true /* is_history_navigation_in_new_child */);
clamyea99ea12018-05-28 13:54:232233
2234 if (!request)
2235 return false;
2236
arthursonzognif046d4a2019-12-12 19:08:102237 request->SetNavigationClient(std::move(*navigation_client));
Arthur Hemery06173ce2019-05-29 12:11:412238
clamyea99ea12018-05-28 13:54:232239 render_frame_host->frame_tree_node()->navigator()->Navigate(
2240 std::move(request), ReloadType::NONE, RestoreType::NONE);
2241
2242 return true;
clamy987a3752018-05-03 17:36:262243}
2244
Dave Tapuska8bfd84c2019-03-26 20:47:162245void NavigationControllerImpl::GoToOffsetInSandboxedFrame(
2246 int offset,
2247 int sandbox_frame_tree_node_id) {
2248 if (!CanGoToOffset(offset))
2249 return;
2250 GoToIndex(GetIndexForOffset(offset), sandbox_frame_tree_node_id);
2251}
2252
clamy987a3752018-05-03 17:36:262253void NavigationControllerImpl::NavigateFromFrameProxy(
2254 RenderFrameHostImpl* render_frame_host,
2255 const GURL& url,
John Delaneyf43556d2020-05-04 23:19:062256 const GlobalFrameRoutingId& initiator_routing_id,
Lukasz Anforowicz63f3b9432019-05-30 05:42:582257 const base::Optional<url::Origin>& initiator_origin,
clamy987a3752018-05-03 17:36:262258 bool is_renderer_initiated,
2259 SiteInstance* source_site_instance,
2260 const Referrer& referrer,
2261 ui::PageTransition page_transition,
2262 bool should_replace_current_entry,
Charlie Harrison8c113a32019-01-07 16:08:292263 NavigationDownloadPolicy download_policy,
clamy987a3752018-05-03 17:36:262264 const std::string& method,
2265 scoped_refptr<network::ResourceRequestBody> post_body,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092266 const std::string& extra_headers,
John Delaney50425f82020-04-07 16:26:212267 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory,
2268 const base::Optional<Impression>& impression) {
Lukasz Anforowicz63f3b9432019-05-30 05:42:582269 if (is_renderer_initiated)
2270 DCHECK(initiator_origin.has_value());
2271
clamy987a3752018-05-03 17:36:262272 FrameTreeNode* node = render_frame_host->frame_tree_node();
Nasko Oskov18006bc2018-12-06 02:53:582273
clamy987a3752018-05-03 17:36:262274 // Create a NavigationEntry for the transfer, without making it the pending
2275 // entry. Subframe transfers should have a clone of the last committed entry
2276 // with a FrameNavigationEntry for the target frame. Main frame transfers
2277 // should have a new NavigationEntry.
2278 // TODO(creis): Make this unnecessary by creating (and validating) the params
2279 // directly, passing them to the destination RenderFrameHost. See
2280 // https://crbug.com/536906.
2281 std::unique_ptr<NavigationEntryImpl> entry;
2282 if (!node->IsMainFrame()) {
2283 // Subframe case: create FrameNavigationEntry.
2284 if (GetLastCommittedEntry()) {
2285 entry = GetLastCommittedEntry()->Clone();
2286 entry->set_extra_headers(extra_headers);
2287 // TODO(arthursonzogni): What about |is_renderer_initiated|?
2288 // Renderer-initiated navigation that target a remote frame are currently
2289 // classified as browser-initiated when this one has already navigated.
2290 // See https://crbug.com/722251.
2291 } else {
2292 // If there's no last committed entry, create an entry for about:blank
2293 // with a subframe entry for our destination.
2294 // TODO(creis): Ensure this case can't exist in https://crbug.com/524208.
2295 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz435bcb582019-07-12 20:50:062296 GURL(url::kAboutBlankURL), referrer, initiator_origin,
Lukasz Anforowicz641234d52019-11-07 21:07:102297 source_site_instance, page_transition, is_renderer_initiated,
2298 extra_headers, browser_context_,
2299 nullptr /* blob_url_loader_factory */));
clamy987a3752018-05-03 17:36:262300 }
2301 entry->AddOrUpdateFrameEntry(
2302 node, -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582303 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Lukasz Anforowicz435bcb582019-07-12 20:50:062304 base::nullopt /* commit_origin */, referrer, initiator_origin,
2305 std::vector<GURL>(), PageState(), method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262306 } else {
2307 // Main frame case.
2308 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz641234d52019-11-07 21:07:102309 url, referrer, initiator_origin, source_site_instance, page_transition,
2310 is_renderer_initiated, extra_headers, browser_context_,
2311 blob_url_loader_factory));
clamy987a3752018-05-03 17:36:262312 entry->root_node()->frame_entry->set_source_site_instance(
2313 static_cast<SiteInstanceImpl*>(source_site_instance));
2314 entry->root_node()->frame_entry->set_method(method);
2315 }
clamy987a3752018-05-03 17:36:262316
2317 // Don't allow an entry replacement if there is no entry to replace.
2318 // http://crbug.com/457149
Kevin McNeee60e76b2019-11-27 20:01:582319 if (GetEntryCount() == 0)
2320 should_replace_current_entry = false;
2321
2322 entry->set_should_replace_entry(should_replace_current_entry);
Camille Lamy5193caa2018-10-12 11:59:422323
2324 bool override_user_agent = false;
clamy987a3752018-05-03 17:36:262325 if (GetLastCommittedEntry() &&
2326 GetLastCommittedEntry()->GetIsOverridingUserAgent()) {
2327 entry->SetIsOverridingUserAgent(true);
Camille Lamy5193caa2018-10-12 11:59:422328 override_user_agent = true;
clamy987a3752018-05-03 17:36:262329 }
2330 // TODO(creis): Set user gesture and intent received timestamp on Android.
2331
2332 // We may not have successfully added the FrameNavigationEntry to |entry|
2333 // above (per https://crbug.com/608402), in which case we create it from
2334 // scratch. This works because we do not depend on |frame_entry| being inside
2335 // |entry| during NavigateToEntry. This will go away when we shortcut this
2336 // further in https://crbug.com/536906.
2337 scoped_refptr<FrameNavigationEntry> frame_entry(entry->GetFrameEntry(node));
2338 if (!frame_entry) {
Patrick Monette50e8bd82019-06-13 22:40:452339 frame_entry = base::MakeRefCounted<FrameNavigationEntry>(
clamy987a3752018-05-03 17:36:262340 node->unique_name(), -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582341 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Lukasz Anforowicz435bcb582019-07-12 20:50:062342 nullptr /* origin */, referrer, initiator_origin, std::vector<GURL>(),
2343 PageState(), method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262344 }
2345
Camille Lamy5193caa2018-10-12 11:59:422346 LoadURLParams params(url);
John Delaneyf43556d2020-05-04 23:19:062347 params.initiator_routing_id = initiator_routing_id;
Nasko Oskov93e7c55c2018-12-19 01:59:292348 params.initiator_origin = initiator_origin;
Camille Lamy5193caa2018-10-12 11:59:422349 params.source_site_instance = source_site_instance;
2350 params.load_type = method == "POST" ? LOAD_TYPE_HTTP_POST : LOAD_TYPE_DEFAULT;
2351 params.transition_type = page_transition;
Dominic Farolino226226af2019-06-25 00:58:032352 params.frame_tree_node_id = node->frame_tree_node_id();
Camille Lamy5193caa2018-10-12 11:59:422353 params.referrer = referrer;
2354 /* params.redirect_chain: skip */
2355 params.extra_headers = extra_headers;
2356 params.is_renderer_initiated = is_renderer_initiated;
2357 params.override_user_agent = UA_OVERRIDE_INHERIT;
2358 /* params.base_url_for_data_url: skip */
2359 /* params.virtual_url_for_data_url: skip */
2360 /* params.data_url_as_string: skip */
2361 params.post_data = post_body;
2362 params.can_load_local_resources = false;
Kevin McNeee60e76b2019-11-27 20:01:582363 /* params.should_replace_current_entry: skip */
Camille Lamy5193caa2018-10-12 11:59:422364 /* params.frame_name: skip */
2365 // TODO(clamy): See if user gesture should be propagated to this function.
2366 params.has_user_gesture = false;
2367 params.should_clear_history_list = false;
2368 params.started_from_context_menu = false;
2369 /* params.navigation_ui_data: skip */
2370 /* params.input_start: skip */
Lucas Furukawa Gadania9c45682019-07-31 22:05:142371 params.was_activated = mojom::WasActivatedOption::kUnknown;
Robert Ogden011a8082019-01-23 19:04:542372 /* params.reload_type: skip */
John Delaney50425f82020-04-07 16:26:212373 params.impression = impression;
Camille Lamy5193caa2018-10-12 11:59:422374
2375 std::unique_ptr<NavigationRequest> request =
2376 CreateNavigationRequestFromLoadParams(
Dominic Farolino226226af2019-06-25 00:58:032377 node, params, override_user_agent, should_replace_current_entry,
2378 false /* has_user_gesture */, download_policy, ReloadType::NONE,
2379 entry.get(), frame_entry.get());
clamyea99ea12018-05-28 13:54:232380
2381 if (!request)
2382 return;
2383
Arthur Hemery948742762019-09-18 10:06:242384 // At this stage we are proceeding with this navigation. If this was renderer
2385 // initiated with user gesture, we need to make sure we clear up potential
2386 // remains of a cancelled browser initiated navigation to avoid URL spoofs.
2387 DiscardNonCommittedEntries();
2388
Dominic Farolino226226af2019-06-25 00:58:032389 node->navigator()->Navigate(std::move(request), ReloadType::NONE,
2390 RestoreType::NONE);
clamy987a3752018-05-03 17:36:262391}
2392
[email protected]d1198fd2012-08-13 22:50:192393void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:302394 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:212395 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:192396 if (!session_storage_namespace)
2397 return;
2398
2399 // We can't overwrite an existing SessionStorage without violating spec.
2400 // Attempts to do so may give a tab access to another tab's session storage
2401 // so die hard on an error.
Aran Gilman37d11632019-10-08 23:07:152402 bool successful_insert =
2403 session_storage_namespace_map_
2404 .insert(
2405 make_pair(partition_id, static_cast<SessionStorageNamespaceImpl*>(
2406 session_storage_namespace)))
[email protected]fdac6ade2013-07-20 01:06:302407 .second;
2408 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:192409}
2410
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572411bool NavigationControllerImpl::IsUnmodifiedBlankTab() {
Aran Gilman37d11632019-10-08 23:07:152412 return IsInitialNavigation() && !GetLastCommittedEntry() &&
[email protected]b4c84012014-04-28 19:51:102413 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:462414}
2415
Aran Gilman37d11632019-10-08 23:07:152416SessionStorageNamespace* NavigationControllerImpl::GetSessionStorageNamespace(
2417 SiteInstance* instance) {
[email protected]fdac6ade2013-07-20 01:06:302418 std::string partition_id;
2419 if (instance) {
2420 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
2421 // this if statement so |instance| must not be NULL.
Aran Gilman37d11632019-10-08 23:07:152422 partition_id = GetContentClient()->browser()->GetStoragePartitionIdForSite(
2423 browser_context_, instance->GetSiteURL());
[email protected]fdac6ade2013-07-20 01:06:302424 }
[email protected]d1198fd2012-08-13 22:50:192425
[email protected]fdac6ade2013-07-20 01:06:302426 // TODO(ajwong): Should this use the |partition_id| directly rather than
2427 // re-lookup via |instance|? http://crbug.com/142685
2428 StoragePartition* partition =
michaelnbacbcbd2016-02-09 00:32:032429 BrowserContext::GetStoragePartition(browser_context_, instance);
2430 DOMStorageContextWrapper* context_wrapper =
2431 static_cast<DOMStorageContextWrapper*>(partition->GetDOMStorageContext());
2432
2433 SessionStorageNamespaceMap::const_iterator it =
2434 session_storage_namespace_map_.find(partition_id);
2435 if (it != session_storage_namespace_map_.end()) {
2436 // Ensure that this namespace actually belongs to this partition.
Aran Gilman37d11632019-10-08 23:07:152437 DCHECK(static_cast<SessionStorageNamespaceImpl*>(it->second.get())
2438 ->IsFromContext(context_wrapper));
michaelnbacbcbd2016-02-09 00:32:032439 return it->second.get();
2440 }
2441
2442 // Create one if no one has accessed session storage for this partition yet.
Daniel Murphy31bbb8b12018-02-07 21:44:102443 scoped_refptr<SessionStorageNamespaceImpl> session_storage_namespace =
2444 SessionStorageNamespaceImpl::Create(context_wrapper);
2445 SessionStorageNamespaceImpl* session_storage_namespace_ptr =
2446 session_storage_namespace.get();
2447 session_storage_namespace_map_[partition_id] =
2448 std::move(session_storage_namespace);
[email protected]fdac6ade2013-07-20 01:06:302449
Daniel Murphy31bbb8b12018-02-07 21:44:102450 return session_storage_namespace_ptr;
[email protected]fdac6ade2013-07-20 01:06:302451}
2452
2453SessionStorageNamespace*
2454NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
2455 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
Ivan Kotenkov2c0d2bb32017-11-01 15:41:282456 return GetSessionStorageNamespace(nullptr);
[email protected]fdac6ade2013-07-20 01:06:302457}
2458
2459const SessionStorageNamespaceMap&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572460NavigationControllerImpl::GetSessionStorageNamespaceMap() {
[email protected]fdac6ade2013-07-20 01:06:302461 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:552462}
[email protected]d202a7c2012-01-04 07:53:472463
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572464bool NavigationControllerImpl::NeedsReload() {
[email protected]71fde352011-12-29 03:29:562465 return needs_reload_;
2466}
[email protected]a26023822011-12-29 00:23:552467
[email protected]46bb5e9c2013-10-03 22:16:472468void NavigationControllerImpl::SetNeedsReload() {
Alex Moshchuk7b4f0652019-05-30 18:54:412469 SetNeedsReload(NeedsReloadType::kRequestedByClient);
2470}
2471
2472void NavigationControllerImpl::SetNeedsReload(NeedsReloadType type) {
[email protected]46bb5e9c2013-10-03 22:16:472473 needs_reload_ = true;
Alex Moshchuk7b4f0652019-05-30 18:54:412474 needs_reload_type_ = type;
jaekyunc8cefa82015-01-09 20:14:542475
2476 if (last_committed_entry_index_ != -1) {
2477 entries_[last_committed_entry_index_]->SetTransitionType(
2478 ui::PAGE_TRANSITION_RELOAD);
2479 }
[email protected]46bb5e9c2013-10-03 22:16:472480}
2481
[email protected]d202a7c2012-01-04 07:53:472482void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
Kevin McNee05164772019-09-03 17:24:572483 DCHECK_LT(index, GetEntryCount());
2484 DCHECK_NE(index, last_committed_entry_index_);
2485
2486 const bool was_transient = index == transient_entry_index_;
[email protected]43032342011-03-21 14:10:312487
2488 DiscardNonCommittedEntries();
2489
Kevin McNee05164772019-09-03 17:24:572490 if (was_transient) {
2491 // There's nothing left to do if the index referred to a transient entry
2492 // that we just discarded.
2493 DCHECK(!GetTransientEntry());
2494 return;
2495 }
2496
[email protected]43032342011-03-21 14:10:312497 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:122498 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:312499 last_committed_entry_index_--;
2500}
2501
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572502NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() {
arthursonzogni5c4c202d2017-04-25 23:41:272503 // If there is no pending_entry_, there should be no pending_entry_index_.
2504 DCHECK(pending_entry_ || pending_entry_index_ == -1);
2505
2506 // If there is a pending_entry_index_, then pending_entry_ must be the entry
Carlos IL42b416592019-10-07 23:10:362507 // at that index. An exception is while a reload of a post commit error page
2508 // is ongoing; in that case pending entry will point to the entry replaced
2509 // by the error.
arthursonzogni5c4c202d2017-04-25 23:41:272510 DCHECK(pending_entry_index_ == -1 ||
Carlos IL42b416592019-10-07 23:10:362511 pending_entry_ == GetEntryAtIndex(pending_entry_index_) ||
2512 pending_entry_ == entry_replaced_by_post_commit_error_.get());
arthursonzogni5c4c202d2017-04-25 23:41:272513
[email protected]022af742011-12-28 18:37:252514 return pending_entry_;
2515}
2516
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572517int NavigationControllerImpl::GetPendingEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:272518 // The pending entry index must always be less than the number of entries.
2519 // If there are no entries, it must be exactly -1.
2520 DCHECK_LT(pending_entry_index_, GetEntryCount());
2521 DCHECK(GetEntryCount() != 0 || pending_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:552522 return pending_entry_index_;
2523}
2524
avi25764702015-06-23 15:43:372525void NavigationControllerImpl::InsertOrReplaceEntry(
dcheng9bfa5162016-04-09 01:00:572526 std::unique_ptr<NavigationEntryImpl> entry,
Carlos IL42b416592019-10-07 23:10:362527 bool replace,
2528 bool was_post_commit_error) {
mastiz7eddb5f72016-06-23 09:52:452529 DCHECK(!ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
2530 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
[email protected]765b35502008-08-21 00:51:202531
avi5cad4912015-06-19 05:25:442532 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
2533 // need to keep continuity with the pending entry, so copy the pending entry's
2534 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
2535 // then the renderer navigated on its own, independent of the pending entry,
2536 // so don't copy anything.
2537 if (pending_entry_ && pending_entry_index_ == -1)
2538 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:202539
arthursonzogni69a6a1b2019-09-17 09:23:002540 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:202541
creisee17e932015-07-17 17:56:222542 // When replacing, don't prune the forward history.
Carlos IL42b416592019-10-07 23:10:362543 if ((replace || was_post_commit_error) && entries_.size() > 0) {
Mikel Astizba9cf2fd2017-12-17 10:38:102544 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572545 entries_[last_committed_entry_index_].get(), entry.get());
Carlos IL42b416592019-10-07 23:10:362546 // If the new entry is a post-commit error page, we store the current last
2547 // committed entry to the side so that we can put it back when navigating
2548 // away from the error.
2549 if (was_post_commit_error) {
2550 DCHECK(!entry_replaced_by_post_commit_error_);
2551 entry_replaced_by_post_commit_error_ =
2552 std::move(entries_[last_committed_entry_index_]);
2553 }
dcheng36b6aec92015-12-26 06:16:362554 entries_[last_committed_entry_index_] = std::move(entry);
creisee17e932015-07-17 17:56:222555 return;
2556 }
[email protected]765b35502008-08-21 00:51:202557
creis37979a62015-08-04 19:48:182558 // We shouldn't see replace == true when there's no committed entries.
2559 DCHECK(!replace);
2560
Michael Thiessen9b14d512019-09-23 21:19:472561 PruneForwardEntries();
[email protected]765b35502008-08-21 00:51:202562
Shivani Sharmad8c8d652019-02-13 17:27:572563 PruneOldestSkippableEntryIfFull();
[email protected]765b35502008-08-21 00:51:202564
dcheng36b6aec92015-12-26 06:16:362565 entries_.push_back(std::move(entry));
[email protected]765b35502008-08-21 00:51:202566 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
initial.commit09911bf2008-07-26 23:55:292567}
2568
Shivani Sharmad8c8d652019-02-13 17:27:572569void NavigationControllerImpl::PruneOldestSkippableEntryIfFull() {
Shivani Sharma2d5b4b6b2019-01-08 16:07:162570 if (entries_.size() < max_entry_count())
2571 return;
2572
2573 DCHECK_EQ(max_entry_count(), entries_.size());
2574 DCHECK_GT(last_committed_entry_index_, 0);
Shivani Sharmad8c8d652019-02-13 17:27:572575 CHECK_EQ(pending_entry_index_, -1);
2576
2577 int index = 0;
2578 if (base::FeatureList::IsEnabled(
2579 features::kHistoryManipulationIntervention)) {
2580 // Retrieve the oldest skippable entry.
2581 for (; index < GetEntryCount(); index++) {
2582 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
2583 break;
2584 }
2585 }
2586
2587 // If there is no skippable entry or if it is the last committed entry then
2588 // fall back to pruning the oldest entry. It is not safe to prune the last
2589 // committed entry.
2590 if (index == GetEntryCount() || index == last_committed_entry_index_)
2591 index = 0;
2592
2593 bool should_succeed = RemoveEntryAtIndex(index);
2594 DCHECK_EQ(true, should_succeed);
2595
2596 NotifyPrunedEntries(this, index, 1);
[email protected]944822b2012-03-02 20:57:252597}
2598
clamy3cb9bea92018-07-10 12:42:022599void NavigationControllerImpl::NavigateToExistingPendingEntry(
Dave Tapuska8bfd84c2019-03-26 20:47:162600 ReloadType reload_type,
2601 int sandboxed_source_frame_tree_node_id) {
Alexander Timin3a92df72019-09-20 11:59:502602 TRACE_EVENT0("navigation",
2603 "NavigationControllerImpl::NavigateToExistingPendingEntry");
arthursonzogni5c4c202d2017-04-25 23:41:272604 DCHECK(pending_entry_);
clamy3cb9bea92018-07-10 12:42:022605 DCHECK(IsInitialNavigation() || pending_entry_index_ != -1);
Carlos IL42b416592019-10-07 23:10:362606 if (pending_entry_index_ != -1) {
2607 // The pending entry may not be in entries_ if a post-commit error page is
2608 // showing.
2609 DCHECK(pending_entry_ == entries_[pending_entry_index_].get() ||
2610 pending_entry_ == entry_replaced_by_post_commit_error_.get());
2611 }
clamy3cb9bea92018-07-10 12:42:022612 DCHECK(!IsRendererDebugURL(pending_entry_->GetURL()));
[email protected]72097fd02010-01-21 23:36:012613 needs_reload_ = false;
Arthur Sonzogni620cec62018-12-13 13:08:572614 FrameTreeNode* root = delegate_->GetFrameTree()->root();
2615 int nav_entry_id = pending_entry_->GetUniqueID();
2616
2617 // BackForwardCache:
Lowell Manners0c04d632019-08-05 10:52:022618 // Navigate immediately if the document is in the BackForwardCache.
Arthur Hemery549850f6e2019-10-01 13:17:432619 if (back_forward_cache_.GetEntry(nav_entry_id)) {
Alexander Timinf9053efc2019-12-06 09:24:002620 TRACE_EVENT0("navigation", "BackForwardCache_CreateNavigationRequest");
Lowell Manners0c04d632019-08-05 10:52:022621 DCHECK_EQ(reload_type, ReloadType::NONE);
2622 auto navigation_request = CreateNavigationRequestFromEntry(
2623 root, pending_entry_, pending_entry_->GetFrameEntry(root),
2624 ReloadType::NONE, false /* is_same_document_history_load */,
2625 false /* is_history_navigation_in_new_child */);
2626 root->navigator()->Navigate(std::move(navigation_request), ReloadType::NONE,
2627 RestoreType::NONE);
2628
Arthur Sonzogni620cec62018-12-13 13:08:572629 return;
2630 }
[email protected]72097fd02010-01-21 23:36:012631
Lowell Mannerscc67fc62019-10-18 10:21:472632 // History navigation might try to reuse a specific BrowsingInstance, already
2633 // used by a page in the cache. To avoid having two different main frames that
2634 // live in the same BrowsingInstance, evict the all pages with this
2635 // BrowsingInstance from the cache.
2636 //
2637 // For example, take the following scenario:
2638 //
2639 // A1 = Some page on a.com
2640 // A2 = Some other page on a.com
2641 // B3 = An uncacheable page on b.com
2642 //
2643 // Then the following navigations occur:
2644 // A1->A2->B3->A1
2645 // On the navigation from B3 to A1, A2 will remain in the cache (B3 doesn't
2646 // take its place) and A1 will be created in the same BrowsingInstance (and
2647 // SiteInstance), as A2.
2648 //
2649 // If we didn't do anything, both A1 and A2 would remain alive in the same
2650 // BrowsingInstance/SiteInstance, which is unsupported by
2651 // RenderFrameHostManager::CommitPending(). To avoid this conundrum, we evict
2652 // A2 from the cache.
arthursonzogni6c27c3152019-09-12 08:00:572653 if (pending_entry_->site_instance()) {
Lowell Mannerscc67fc62019-10-18 10:21:472654 back_forward_cache_.EvictFramesInRelatedSiteInstances(
2655 pending_entry_->site_instance());
arthursonzogni6c27c3152019-09-12 08:00:572656 }
2657
[email protected]83c2e232011-10-07 21:36:462658 // If we were navigating to a slow-to-commit page, and the user performs
2659 // a session history navigation to the last committed page, RenderViewHost
2660 // will force the throbber to start, but WebKit will essentially ignore the
2661 // navigation, and won't send a message to stop the throbber. To prevent this
2662 // from happening, we drop the navigation here and stop the slow-to-commit
2663 // page from loading (which would normally happen during the navigation).
clamy3cb9bea92018-07-10 12:42:022664 if (pending_entry_index_ == last_committed_entry_index_ &&
arthursonzogni5c4c202d2017-04-25 23:41:272665 pending_entry_->restore_type() == RestoreType::NONE &&
2666 pending_entry_->GetTransitionType() & ui::PAGE_TRANSITION_FORWARD_BACK) {
[email protected]ec6c05f2013-10-23 18:41:572667 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:122668
[email protected]83c2e232011-10-07 21:36:462669 DiscardNonCommittedEntries();
2670 return;
2671 }
2672
creisce0ef3572017-01-26 17:53:082673 // Compare FrameNavigationEntries to see which frames in the tree need to be
2674 // navigated.
clamy3cb9bea92018-07-10 12:42:022675 std::vector<std::unique_ptr<NavigationRequest>> same_document_loads;
2676 std::vector<std::unique_ptr<NavigationRequest>> different_document_loads;
creis4e2ecb72015-06-20 00:46:302677 if (GetLastCommittedEntry()) {
clamy3cb9bea92018-07-10 12:42:022678 FindFramesToNavigate(root, reload_type, &same_document_loads,
2679 &different_document_loads);
creis4e2ecb72015-06-20 00:46:302680 }
2681
2682 if (same_document_loads.empty() && different_document_loads.empty()) {
2683 // If we don't have any frames to navigate at this point, either
2684 // (1) there is no previous history entry to compare against, or
2685 // (2) we were unable to match any frames by name. In the first case,
2686 // doing a different document navigation to the root item is the only valid
2687 // thing to do. In the second case, we should have been able to find a
2688 // frame to navigate based on names if this were a same document
2689 // navigation, so we can safely assume this is the different document case.
clamy3cb9bea92018-07-10 12:42:022690 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422691 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572692 root, pending_entry_, pending_entry_->GetFrameEntry(root),
clamy3cb9bea92018-07-10 12:42:022693 reload_type, false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422694 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022695 if (!navigation_request) {
2696 // This navigation cannot start (e.g. the URL is invalid), delete the
2697 // pending NavigationEntry.
2698 DiscardPendingEntry(false);
2699 return;
2700 }
2701 different_document_loads.push_back(std::move(navigation_request));
creis4e2ecb72015-06-20 00:46:302702 }
2703
Dave Tapuska8bfd84c2019-03-26 20:47:162704 // If |sandboxed_source_frame_node_id| is valid, then track whether this
2705 // navigation affects any frame outside the frame's subtree.
2706 if (sandboxed_source_frame_tree_node_id !=
2707 FrameTreeNode::kFrameTreeNodeInvalidId) {
2708 bool navigates_inside_tree =
2709 DoesSandboxNavigationStayWithinSubtree(
2710 sandboxed_source_frame_tree_node_id, same_document_loads) &&
2711 DoesSandboxNavigationStayWithinSubtree(
2712 sandboxed_source_frame_tree_node_id, different_document_loads);
Dave Tapuska716ed3af2019-09-23 18:45:502713 // Count the navigations as web use counters so we can determine
Dave Tapuska8bfd84c2019-03-26 20:47:162714 // the number of pages that trigger this.
2715 FrameTreeNode* sandbox_source_frame_tree_node =
2716 FrameTreeNode::GloballyFindByID(sandboxed_source_frame_tree_node_id);
2717 if (sandbox_source_frame_tree_node) {
2718 GetContentClient()->browser()->LogWebFeatureForCurrentPage(
2719 sandbox_source_frame_tree_node->current_frame_host(),
2720 navigates_inside_tree
2721 ? blink::mojom::WebFeature::kSandboxBackForwardStaysWithinSubtree
2722 : blink::mojom::WebFeature::
2723 kSandboxBackForwardAffectsFramesOutsideSubtree);
2724 }
Dave Tapuska855c1e12019-08-23 20:45:522725
2726 // If the navigation occurred outside the tree discard it because
2727 // the sandboxed frame didn't have permission to navigate outside
2728 // its tree. If it is possible that the navigation is both inside and
2729 // outside the frame tree and we discard it entirely because we don't
2730 // want to end up in a history state that didn't exist before.
2731 if (base::FeatureList::IsEnabled(
2732 features::kHistoryPreventSandboxedNavigation) &&
2733 !navigates_inside_tree) {
2734 DiscardPendingEntry(false);
2735 return;
2736 }
Dave Tapuska8bfd84c2019-03-26 20:47:162737 }
2738
clamy3cb9bea92018-07-10 12:42:022739 // This call does not support re-entrancy. See http://crbug.com/347742.
2740 CHECK(!in_navigate_to_pending_entry_);
2741 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:302742
arthursonzogni66f711c2019-10-08 14:40:362743 // It is not possible to delete the pending NavigationEntry while navigating
2744 // to it. Grab a reference to delay potential deletion until the end of this
2745 // function.
2746 std::unique_ptr<PendingEntryRef> pending_entry_ref = ReferencePendingEntry();
2747
creis4e2ecb72015-06-20 00:46:302748 // Send all the same document frame loads before the different document loads.
clamy3cb9bea92018-07-10 12:42:022749 for (auto& item : same_document_loads) {
2750 FrameTreeNode* frame = item->frame_tree_node();
2751 frame->navigator()->Navigate(std::move(item), reload_type,
2752 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302753 }
clamy3cb9bea92018-07-10 12:42:022754 for (auto& item : different_document_loads) {
2755 FrameTreeNode* frame = item->frame_tree_node();
2756 frame->navigator()->Navigate(std::move(item), reload_type,
2757 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302758 }
clamy3cb9bea92018-07-10 12:42:022759
2760 in_navigate_to_pending_entry_ = false;
creis4e2ecb72015-06-20 00:46:302761}
2762
2763void NavigationControllerImpl::FindFramesToNavigate(
2764 FrameTreeNode* frame,
clamy3cb9bea92018-07-10 12:42:022765 ReloadType reload_type,
2766 std::vector<std::unique_ptr<NavigationRequest>>* same_document_loads,
2767 std::vector<std::unique_ptr<NavigationRequest>>* different_document_loads) {
arthursonzogni03f76152019-02-12 10:35:202768 // A frame pending deletion is not allowed to navigate anymore. It has been
2769 // deleted and the browser already committed to destroying this
2770 // RenderFrameHost. See https://crbug.com/930278.
2771 if (!frame->current_frame_host()->is_active())
2772 return;
2773
creis4e2ecb72015-06-20 00:46:302774 DCHECK(pending_entry_);
2775 DCHECK_GE(last_committed_entry_index_, 0);
2776 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
creis225a7432016-06-03 22:56:272777 // TODO(creis): Store the last committed FrameNavigationEntry to use here,
2778 // rather than assuming the NavigationEntry has up to date info on subframes.
creis4e2ecb72015-06-20 00:46:302779 FrameNavigationEntry* old_item =
2780 GetLastCommittedEntry()->GetFrameEntry(frame);
2781 if (!new_item)
2782 return;
2783
2784 // Schedule a load in this frame if the new item isn't for the same item
creis7115a702015-12-03 18:55:562785 // sequence number in the same SiteInstance. Newly restored items may not have
2786 // a SiteInstance yet, in which case it will be assigned on first commit.
creis4e2ecb72015-06-20 00:46:302787 if (!old_item ||
2788 new_item->item_sequence_number() != old_item->item_sequence_number() ||
Lei Zhang96031532019-10-10 19:05:472789 (new_item->site_instance() &&
creis7115a702015-12-03 18:55:562790 new_item->site_instance() != old_item->site_instance())) {
creis54131692016-08-12 18:32:252791 // Same document loads happen if the previous item has the same document
2792 // sequence number. Note that we should treat them as different document if
2793 // the destination RenderFrameHost (which is necessarily the current
2794 // RenderFrameHost for same document navigations) doesn't have a last
2795 // committed page. This case can happen for Ctrl+Back or after a renderer
2796 // crash.
creis4e2ecb72015-06-20 00:46:302797 if (old_item &&
2798 new_item->document_sequence_number() ==
creis54131692016-08-12 18:32:252799 old_item->document_sequence_number() &&
Avi Drissman2eb7a482017-11-30 04:36:312800 !frame->current_frame_host()->GetLastCommittedURL().is_empty()) {
clamy3cb9bea92018-07-10 12:42:022801 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422802 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572803 frame, pending_entry_, new_item, reload_type,
clamy3cb9bea92018-07-10 12:42:022804 true /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422805 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022806 if (navigation_request) {
2807 // Only add the request if was properly created. It's possible for the
2808 // creation to fail in certain cases, e.g. when the URL is invalid.
2809 same_document_loads->push_back(std::move(navigation_request));
2810 }
avib48cb312016-05-05 21:35:002811
2812 // TODO(avi, creis): This is a bug; we should not return here. Rather, we
2813 // should continue on and navigate all child frames which have also
2814 // changed. This bug is the cause of <https://crbug.com/542299>, which is
2815 // a NC_IN_PAGE_NAVIGATION renderer kill.
2816 //
2817 // However, this bug is a bandaid over a deeper and worse problem. Doing a
2818 // pushState immediately after loading a subframe is a race, one that no
2819 // web page author expects. If we fix this bug, many large websites break.
2820 // For example, see <https://crbug.com/598043> and the spec discussion at
2821 // <https://github.com/whatwg/html/issues/1191>.
2822 //
2823 // For now, we accept this bug, and hope to resolve the race in a
2824 // different way that will one day allow us to fix this.
2825 return;
creis4e2ecb72015-06-20 00:46:302826 }
Lei Zhang96031532019-10-10 19:05:472827
2828 std::unique_ptr<NavigationRequest> navigation_request =
2829 CreateNavigationRequestFromEntry(
2830 frame, pending_entry_, new_item, reload_type,
2831 false /* is_same_document_history_load */,
2832 false /* is_history_navigation_in_new_child */);
2833 if (navigation_request) {
2834 // Only add the request if was properly created. It's possible for the
2835 // creation to fail in certain cases, e.g. when the URL is invalid.
2836 different_document_loads->push_back(std::move(navigation_request));
2837 }
2838 // For a different document, the subframes will be destroyed, so there's
2839 // no need to consider them.
2840 return;
creis4e2ecb72015-06-20 00:46:302841 }
2842
2843 for (size_t i = 0; i < frame->child_count(); i++) {
clamy3cb9bea92018-07-10 12:42:022844 FindFramesToNavigate(frame->child_at(i), reload_type, same_document_loads,
creis4e2ecb72015-06-20 00:46:302845 different_document_loads);
2846 }
2847}
2848
clamy21718cc22018-06-13 13:34:242849void NavigationControllerImpl::NavigateWithoutEntry(
2850 const LoadURLParams& params) {
2851 // Find the appropriate FrameTreeNode.
2852 FrameTreeNode* node = nullptr;
2853 if (params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId ||
2854 !params.frame_name.empty()) {
2855 node = params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId
2856 ? delegate_->GetFrameTree()->FindByID(params.frame_tree_node_id)
2857 : delegate_->GetFrameTree()->FindByName(params.frame_name);
2858 }
2859
2860 // If no FrameTreeNode was specified, navigate the main frame.
2861 if (!node)
2862 node = delegate_->GetFrameTree()->root();
2863
Camille Lamy5193caa2018-10-12 11:59:422864 // Compute overrides to the LoadURLParams for |override_user_agent|,
2865 // |should_replace_current_entry| and |has_user_gesture| that will be used
2866 // both in the creation of the NavigationEntry and the NavigationRequest.
2867 // Ideally, the LoadURLParams themselves would be updated, but since they are
2868 // passed as a const reference, this is not possible.
2869 // TODO(clamy): When we only create a NavigationRequest, move this to
2870 // CreateNavigationRequestFromLoadURLParams.
2871 bool override_user_agent = ShouldOverrideUserAgent(params.override_user_agent,
2872 GetLastCommittedEntry());
2873
2874 // Don't allow an entry replacement if there is no entry to replace.
2875 // http://crbug.com/457149
2876 bool should_replace_current_entry =
2877 params.should_replace_current_entry && entries_.size();
2878
2879 // Always propagate `has_user_gesture` on Android but only when the request
2880 // was originated by the renderer on other platforms. This is merely for
2881 // backward compatibility as browser process user gestures create confusion in
2882 // many tests.
2883 bool has_user_gesture = false;
2884#if defined(OS_ANDROID)
2885 has_user_gesture = params.has_user_gesture;
2886#else
2887 if (params.is_renderer_initiated)
2888 has_user_gesture = params.has_user_gesture;
2889#endif
2890
clamy21718cc22018-06-13 13:34:242891 // Javascript URLs should not create NavigationEntries. All other navigations
2892 // do, including navigations to chrome renderer debug URLs.
2893 std::unique_ptr<NavigationEntryImpl> entry;
2894 if (!params.url.SchemeIs(url::kJavaScriptScheme)) {
Camille Lamy5193caa2018-10-12 11:59:422895 entry = CreateNavigationEntryFromLoadParams(
2896 node, params, override_user_agent, should_replace_current_entry,
2897 has_user_gesture);
clamy21718cc22018-06-13 13:34:242898 DiscardPendingEntry(false);
2899 SetPendingEntry(std::move(entry));
2900 }
2901
2902 // Renderer-debug URLs are sent to the renderer process immediately for
2903 // processing and don't need to create a NavigationRequest.
2904 // Note: this includes navigations to JavaScript URLs, which are considered
2905 // renderer-debug URLs.
2906 // Note: we intentionally leave the pending entry in place for renderer debug
2907 // URLs, unlike the cases below where we clear it if the navigation doesn't
2908 // proceed.
2909 if (IsRendererDebugURL(params.url)) {
Oleg Davydov2cc0167b2019-02-05 14:32:482910 // Renderer-debug URLs won't go through NavigationThrottlers so we have to
2911 // check them explicitly. See bug 913334.
2912 if (GetContentClient()->browser()->IsRendererDebugURLBlacklisted(
2913 params.url, browser_context_)) {
2914 DiscardPendingEntry(false);
2915 return;
2916 }
2917
clamy21718cc22018-06-13 13:34:242918 HandleRendererDebugURL(node, params.url);
2919 return;
2920 }
2921
2922 // Convert navigations to the current URL to a reload.
2923 // TODO(clamy): We should be using FrameTreeNode::IsMainFrame here instead of
2924 // relying on the frame tree node id from LoadURLParams. Unfortunately,
2925 // DevTools sometimes issues navigations to main frames that they do not
2926 // expect to see treated as reload, and it only works because they pass a
2927 // FrameTreeNode id in their LoadURLParams. Change this once they no longer do
2928 // that. See https://crbug.com/850926.
Robert Ogden011a8082019-01-23 19:04:542929 ReloadType reload_type = params.reload_type;
2930 if (reload_type == ReloadType::NONE &&
2931 ShouldTreatNavigationAsReload(
clamy21718cc22018-06-13 13:34:242932 params.url, pending_entry_->GetVirtualURL(),
2933 params.base_url_for_data_url, params.transition_type,
2934 params.frame_tree_node_id == RenderFrameHost::kNoFrameTreeNodeId,
2935 params.load_type ==
2936 NavigationController::LOAD_TYPE_HTTP_POST /* is_post */,
2937 false /* is_reload */, false /* is_navigation_to_existing_entry */,
2938 transient_entry_index_ != -1 /* has_interstitial */,
2939 GetLastCommittedEntry())) {
2940 reload_type = ReloadType::NORMAL;
2941 }
2942
2943 // navigation_ui_data should only be present for main frame navigations.
2944 DCHECK(node->IsMainFrame() || !params.navigation_ui_data);
2945
clamy21718cc22018-06-13 13:34:242946 DCHECK(pending_entry_);
Camille Lamy5193caa2018-10-12 11:59:422947 std::unique_ptr<NavigationRequest> request =
2948 CreateNavigationRequestFromLoadParams(
2949 node, params, override_user_agent, should_replace_current_entry,
Yao Xiaoaf79ca9b2019-03-12 19:54:182950 has_user_gesture, NavigationDownloadPolicy(), reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572951 pending_entry_, pending_entry_->GetFrameEntry(node));
clamy21718cc22018-06-13 13:34:242952
2953 // If the navigation couldn't start, return immediately and discard the
2954 // pending NavigationEntry.
2955 if (!request) {
2956 DiscardPendingEntry(false);
2957 return;
2958 }
2959
Camille Lamy5193caa2018-10-12 11:59:422960#if DCHECK_IS_ON()
2961 // Safety check that NavigationRequest and NavigationEntry match.
2962 ValidateRequestMatchesEntry(request.get(), pending_entry_);
2963#endif
2964
clamy21718cc22018-06-13 13:34:242965 // This call does not support re-entrancy. See http://crbug.com/347742.
2966 CHECK(!in_navigate_to_pending_entry_);
2967 in_navigate_to_pending_entry_ = true;
2968
arthursonzogni66f711c2019-10-08 14:40:362969 // It is not possible to delete the pending NavigationEntry while navigating
2970 // to it. Grab a reference to delay potential deletion until the end of this
2971 // function.
2972 std::unique_ptr<PendingEntryRef> pending_entry_ref = ReferencePendingEntry();
2973
clamy21718cc22018-06-13 13:34:242974 node->navigator()->Navigate(std::move(request), reload_type,
2975 RestoreType::NONE);
2976
2977 in_navigate_to_pending_entry_ = false;
2978}
2979
clamyea99ea12018-05-28 13:54:232980void NavigationControllerImpl::HandleRendererDebugURL(
2981 FrameTreeNode* frame_tree_node,
2982 const GURL& url) {
2983 if (!frame_tree_node->current_frame_host()->IsRenderFrameLive()) {
clamy21718cc22018-06-13 13:34:242984 // Any renderer-side debug URLs or javascript: URLs should be ignored if
2985 // the renderer process is not live, unless it is the initial navigation
2986 // of the tab.
clamyea99ea12018-05-28 13:54:232987 if (!IsInitialNavigation()) {
2988 DiscardNonCommittedEntries();
2989 return;
2990 }
Fergal Daly8dd3d3a2020-05-12 16:40:332991 frame_tree_node->render_manager()->InitializeRenderFrameForImmediateUse();
clamyea99ea12018-05-28 13:54:232992 }
2993 frame_tree_node->current_frame_host()->HandleRendererDebugURL(url);
2994}
2995
clamy21718cc22018-06-13 13:34:242996std::unique_ptr<NavigationEntryImpl>
2997NavigationControllerImpl::CreateNavigationEntryFromLoadParams(
2998 FrameTreeNode* node,
Camille Lamy5193caa2018-10-12 11:59:422999 const LoadURLParams& params,
3000 bool override_user_agent,
3001 bool should_replace_current_entry,
3002 bool has_user_gesture) {
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:393003 // Browser initiated navigations might not have a blob_url_loader_factory set
3004 // in params even if the navigation is to a blob URL. If that happens, lookup
3005 // the correct url loader factory to use here.
3006 auto blob_url_loader_factory = params.blob_url_loader_factory;
Kinuko Yasuda7d925ea22019-08-01 10:08:483007 if (!blob_url_loader_factory && params.url.SchemeIsBlob()) {
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:393008 blob_url_loader_factory = ChromeBlobStorageContext::URLLoaderFactoryForUrl(
3009 GetBrowserContext(), params.url);
3010 }
3011
clamy21718cc22018-06-13 13:34:243012 std::unique_ptr<NavigationEntryImpl> entry;
Tommy C. Li03eee77a2019-02-05 02:07:443013 // extra_headers in params are \n separated; navigation entries want \r\n.
3014 std::string extra_headers_crlf;
3015 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
clamy21718cc22018-06-13 13:34:243016
3017 // For subframes, create a pending entry with a corresponding frame entry.
3018 if (!node->IsMainFrame()) {
Tommy C. Li03eee77a2019-02-05 02:07:443019 if (GetLastCommittedEntry()) {
3020 // Create an identical NavigationEntry with a new FrameNavigationEntry for
3021 // the target subframe.
3022 entry = GetLastCommittedEntry()->Clone();
3023 } else {
3024 // If there's no last committed entry, create an entry for about:blank
3025 // with a subframe entry for our destination.
3026 // TODO(creis): Ensure this case can't exist in https://crbug.com/524208.
3027 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz435bcb582019-07-12 20:50:063028 GURL(url::kAboutBlankURL), params.referrer, params.initiator_origin,
Lukasz Anforowicz641234d52019-11-07 21:07:103029 params.source_site_instance.get(), params.transition_type,
3030 params.is_renderer_initiated, extra_headers_crlf, browser_context_,
3031 blob_url_loader_factory));
Tommy C. Li03eee77a2019-02-05 02:07:443032 }
Nasko Oskov18006bc2018-12-06 02:53:583033
clamy21718cc22018-06-13 13:34:243034 entry->AddOrUpdateFrameEntry(
3035 node, -1, -1, nullptr,
3036 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()),
Lukasz Anforowicz435bcb582019-07-12 20:50:063037 params.url, base::nullopt, params.referrer, params.initiator_origin,
3038 params.redirect_chain, PageState(), "GET", -1, blob_url_loader_factory);
clamy21718cc22018-06-13 13:34:243039 } else {
3040 // Otherwise, create a pending entry for the main frame.
clamy21718cc22018-06-13 13:34:243041 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz435bcb582019-07-12 20:50:063042 params.url, params.referrer, params.initiator_origin,
Lukasz Anforowicz641234d52019-11-07 21:07:103043 params.source_site_instance.get(), params.transition_type,
3044 params.is_renderer_initiated, extra_headers_crlf, browser_context_,
3045 blob_url_loader_factory));
clamy21718cc22018-06-13 13:34:243046 entry->set_source_site_instance(
3047 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
3048 entry->SetRedirectChain(params.redirect_chain);
3049 }
3050
3051 // Set the FTN ID (only used in non-site-per-process, for tests).
3052 entry->set_frame_tree_node_id(node->frame_tree_node_id());
Camille Lamy5193caa2018-10-12 11:59:423053 entry->set_should_replace_entry(should_replace_current_entry);
clamy21718cc22018-06-13 13:34:243054 entry->set_should_clear_history_list(params.should_clear_history_list);
Camille Lamy5193caa2018-10-12 11:59:423055 entry->SetIsOverridingUserAgent(override_user_agent);
3056 entry->set_has_user_gesture(has_user_gesture);
Robert Ogden011a8082019-01-23 19:04:543057 entry->set_reload_type(params.reload_type);
clamy21718cc22018-06-13 13:34:243058
clamy21718cc22018-06-13 13:34:243059 switch (params.load_type) {
3060 case LOAD_TYPE_DEFAULT:
3061 break;
3062 case LOAD_TYPE_HTTP_POST:
3063 entry->SetHasPostData(true);
3064 entry->SetPostData(params.post_data);
3065 break;
3066 case LOAD_TYPE_DATA:
3067 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
3068 entry->SetVirtualURL(params.virtual_url_for_data_url);
3069#if defined(OS_ANDROID)
3070 entry->SetDataURLAsString(params.data_url_as_string);
3071#endif
3072 entry->SetCanLoadLocalResources(params.can_load_local_resources);
3073 break;
clamy21718cc22018-06-13 13:34:243074 }
3075
3076 // TODO(clamy): NavigationEntry is meant for information that will be kept
3077 // after the navigation ended and therefore is not appropriate for
3078 // started_from_context_menu. Move started_from_context_menu to
3079 // NavigationUIData.
3080 entry->set_started_from_context_menu(params.started_from_context_menu);
3081
3082 return entry;
3083}
3084
clamyea99ea12018-05-28 13:54:233085std::unique_ptr<NavigationRequest>
Camille Lamy5193caa2018-10-12 11:59:423086NavigationControllerImpl::CreateNavigationRequestFromLoadParams(
3087 FrameTreeNode* node,
3088 const LoadURLParams& params,
3089 bool override_user_agent,
3090 bool should_replace_current_entry,
3091 bool has_user_gesture,
Charlie Harrison8c113a32019-01-07 16:08:293092 NavigationDownloadPolicy download_policy,
Camille Lamy5193caa2018-10-12 11:59:423093 ReloadType reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573094 NavigationEntryImpl* entry,
Camille Lamy5193caa2018-10-12 11:59:423095 FrameNavigationEntry* frame_entry) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573096 DCHECK_EQ(-1, GetIndexOfEntry(entry));
Camille Lamyb9ed3c52018-11-19 15:34:283097 DCHECK(frame_entry);
Nasko Oskov3c2f9e252019-01-10 17:45:533098 // All renderer-initiated navigations must have an initiator_origin.
3099 DCHECK(!params.is_renderer_initiated || params.initiator_origin.has_value());
Camille Lamyff7c4822018-11-07 15:42:513100
Camille Lamy5193caa2018-10-12 11:59:423101 GURL url_to_load;
3102 GURL virtual_url;
Nasko Oskov03912102019-01-11 00:21:323103 base::Optional<url::Origin> origin_to_commit =
3104 frame_entry ? frame_entry->committed_origin() : base::nullopt;
3105
Camille Lamy2baa8022018-10-19 16:43:173106 // For main frames, rewrite the URL if necessary and compute the virtual URL
3107 // that should be shown in the address bar.
3108 if (node->IsMainFrame()) {
Lukasz Anforowiczb2eb19b12020-01-25 00:40:423109 bool ignored_reverse_on_redirect = false;
Camille Lamy2baa8022018-10-19 16:43:173110 RewriteUrlForNavigation(params.url, browser_context_, &url_to_load,
Lukasz Anforowiczb2eb19b12020-01-25 00:40:423111 &virtual_url, &ignored_reverse_on_redirect);
Camille Lamy5193caa2018-10-12 11:59:423112
Camille Lamy2baa8022018-10-19 16:43:173113 // For DATA loads, override the virtual URL.
3114 if (params.load_type == LOAD_TYPE_DATA)
3115 virtual_url = params.virtual_url_for_data_url;
Camille Lamy5193caa2018-10-12 11:59:423116
Camille Lamy2baa8022018-10-19 16:43:173117 if (virtual_url.is_empty())
3118 virtual_url = url_to_load;
3119
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573120 CHECK(virtual_url == entry->GetVirtualURL());
Camille Lamyb9ed3c52018-11-19 15:34:283121
Aran Gilman249eb122019-12-02 23:32:463122 // This is a LOG and not a CHECK/DCHECK as URL rewrite has non-deterministic
3123 // behavior: it is possible for two calls to RewriteUrlForNavigation to
3124 // return different results, leading to a different URL in the
3125 // NavigationRequest and FrameEntry. This will be fixed once we remove the
3126 // pending NavigationEntry, as we'll only make one call to
3127 // RewriteUrlForNavigation.
3128 VLOG_IF(1, (url_to_load != frame_entry->url()))
3129 << "NavigationRequest and FrameEntry have different URLs: "
3130 << url_to_load << " vs " << frame_entry->url();
Camille Lamyb9ed3c52018-11-19 15:34:283131
Camille Lamy2baa8022018-10-19 16:43:173132 // TODO(clamy): In order to remove the pending NavigationEntry,
Lukasz Anforowiczb2eb19b12020-01-25 00:40:423133 // |virtual_url| and |ignored_reverse_on_redirect| should be stored in the
Camille Lamy2baa8022018-10-19 16:43:173134 // NavigationRequest.
3135 } else {
3136 url_to_load = params.url;
3137 virtual_url = params.url;
Camille Lamyf664f7622019-01-07 19:28:243138 CHECK(!frame_entry || url_to_load == frame_entry->url());
Camille Lamy2baa8022018-10-19 16:43:173139 }
Camille Lamy5193caa2018-10-12 11:59:423140
Ehsan Karamad44fc72112019-02-26 18:15:473141 if (node->render_manager()->is_attaching_inner_delegate()) {
3142 // Avoid starting any new navigations since this node is now preparing for
3143 // attaching an inner delegate.
3144 return nullptr;
Ehsan Karamaddd9a4142018-12-04 20:38:203145 }
Camille Lamy5193caa2018-10-12 11:59:423146
Camille Lamy5193caa2018-10-12 11:59:423147 if (!IsValidURLForNavigation(node->IsMainFrame(), virtual_url, url_to_load))
3148 return nullptr;
3149
Nasko Oskov03912102019-01-11 00:21:323150 if (!DoesURLMatchOriginForNavigation(url_to_load, origin_to_commit)) {
3151 DCHECK(false) << " url:" << url_to_load
3152 << " origin:" << origin_to_commit.value();
3153 return nullptr;
3154 }
3155
Camille Lamy5193caa2018-10-12 11:59:423156 // Determine if Previews should be used for the navigation.
3157 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
3158 if (!node->IsMainFrame()) {
3159 // For subframes, use the state of the top-level frame.
3160 previews_state = node->frame_tree()
3161 ->root()
3162 ->current_frame_host()
3163 ->last_navigation_previews_state();
3164 }
3165
Camille Lamy5193caa2018-10-12 11:59:423166 // This will be used to set the Navigation Timing API navigationStart
3167 // parameter for browser navigations in new tabs (intents, tabs opened through
3168 // "Open link in new tab"). If the navigation must wait on the current
3169 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3170 // will be updated when the BeforeUnload ack is received.
3171 base::TimeTicks navigation_start = base::TimeTicks::Now();
3172
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513173 mojom::NavigationType navigation_type =
Camille Lamy5193caa2018-10-12 11:59:423174 GetNavigationType(node->current_url(), // old_url
3175 url_to_load, // new_url
3176 reload_type, // reload_type
3177 entry, // entry
3178 *frame_entry, // frame_entry
3179 false); // is_same_document_history_load
3180
3181 // Create the NavigationParams based on |params|.
3182
3183 bool is_view_source_mode = virtual_url.SchemeIs(kViewSourceScheme);
Charlie Harrison8c113a32019-01-07 16:08:293184
3185 // Update |download_policy| if the virtual URL is view-source. Why do this
3186 // now? Possibly the URL could be rewritten to a view-source via some URL
3187 // handler.
3188 if (is_view_source_mode)
Yao Xiaoaf79ca9b2019-03-12 19:54:183189 download_policy.SetDisallowed(NavigationDownloadType::kViewSource);
Charlie Harrison8c113a32019-01-07 16:08:293190
Camille Lamy5193caa2018-10-12 11:59:423191 const GURL& history_url_for_data_url =
3192 params.base_url_for_data_url.is_empty() ? GURL() : virtual_url;
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513193 mojom::CommonNavigationParamsPtr common_params =
3194 mojom::CommonNavigationParams::New(
3195 url_to_load, params.initiator_origin,
3196 blink::mojom::Referrer::New(params.referrer.url,
3197 params.referrer.policy),
3198 params.transition_type, navigation_type, download_policy,
3199 should_replace_current_entry, params.base_url_for_data_url,
3200 history_url_for_data_url, previews_state, navigation_start,
3201 params.load_type == LOAD_TYPE_HTTP_POST ? "POST" : "GET",
arthursonzogniaf7c62c52020-02-12 10:49:413202 params.post_data, network::mojom::SourceLocation::New(),
3203 params.started_from_context_menu, has_user_gesture,
3204 CreateInitiatorCSPInfo(), std::vector<int>(), params.href_translate,
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513205 false /* is_history_navigation_in_new_child_frame */,
Charlie Hu5ffc0152019-12-06 15:59:533206 params.input_start);
Camille Lamy5193caa2018-10-12 11:59:423207
Lucas Furukawa Gadania9c45682019-07-31 22:05:143208 mojom::CommitNavigationParamsPtr commit_params =
3209 mojom::CommitNavigationParams::New(
3210 frame_entry->committed_origin(), override_user_agent,
Lucas Furukawa Gadani81e294b2019-08-29 16:26:323211 params.redirect_chain,
3212 std::vector<network::mojom::URLResponseHeadPtr>(),
Lucas Furukawa Gadania9c45682019-07-31 22:05:143213 std::vector<net::RedirectInfo>(),
3214 std::string() /* post_content_type */, common_params->url,
3215 common_params->method, params.can_load_local_resources,
3216 frame_entry->page_state(), entry->GetUniqueID(),
3217 entry->GetSubframeUniqueNames(node), true /* intended_as_new_entry */,
3218 -1 /* pending_history_list_offset */,
3219 params.should_clear_history_list ? -1 : GetLastCommittedEntryIndex(),
3220 params.should_clear_history_list ? 0 : GetEntryCount(),
3221 false /* was_discarded */, is_view_source_mode,
3222 params.should_clear_history_list, mojom::NavigationTiming::New(),
3223 base::nullopt /* appcache_host_id */,
3224 mojom::WasActivatedOption::kUnknown,
3225 base::UnguessableToken::Create() /* navigation_token */,
Lucas Furukawa Gadani97ea6382019-08-07 19:14:513226 std::vector<mojom::PrefetchedSignedExchangeInfoPtr>(),
Lucas Furukawa Gadania9c45682019-07-31 22:05:143227#if defined(OS_ANDROID)
3228 std::string(), /* data_url_as_string */
3229#endif
arthursonzogni14379782020-05-15 09:09:273230 !params.is_renderer_initiated, /* is_browser_initiated */
Tsuyoshi Horoa78f0562019-09-26 06:40:413231 network::mojom::IPAddressSpace::kUnknown,
Tsuyoshi Horoe86d7702019-11-29 01:52:473232 GURL() /* web_bundle_physical_url */,
Charlie Hu5ffc0152019-12-06 15:59:533233 GURL() /* base_url_override_for_web_bundle */,
Jiewei Qian0406fc02020-03-09 06:02:073234 node->pending_frame_policy(),
3235 std::vector<std::string>() /* force_enabled_origin_trials */);
Camille Lamy5193caa2018-10-12 11:59:423236#if defined(OS_ANDROID)
3237 if (ValidateDataURLAsString(params.data_url_as_string)) {
Lucas Furukawa Gadania9c45682019-07-31 22:05:143238 commit_params->data_url_as_string = params.data_url_as_string->data();
Camille Lamy5193caa2018-10-12 11:59:423239 }
3240#endif
3241
Lucas Furukawa Gadania9c45682019-07-31 22:05:143242 commit_params->was_activated = params.was_activated;
Camille Lamy5193caa2018-10-12 11:59:423243
3244 // A form submission may happen here if the navigation is a renderer-initiated
3245 // form submission that took the OpenURL path.
3246 scoped_refptr<network::ResourceRequestBody> request_body = params.post_data;
3247
3248 // extra_headers in params are \n separated; NavigationRequests want \r\n.
3249 std::string extra_headers_crlf;
3250 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
Yao Xiaodc5ed102019-06-04 19:19:093251
3252 auto navigation_request = NavigationRequest::CreateBrowserInitiated(
Lucas Furukawa Gadania9c45682019-07-31 22:05:143253 node, std::move(common_params), std::move(commit_params),
John Delaneyf43556d2020-05-04 23:19:063254 !params.is_renderer_initiated, params.initiator_routing_id,
3255 extra_headers_crlf, frame_entry, entry, request_body,
John Delaney50425f82020-04-07 16:26:213256 params.navigation_ui_data ? params.navigation_ui_data->Clone() : nullptr,
3257 params.impression);
Yao Xiaodc5ed102019-06-04 19:19:093258 navigation_request->set_from_download_cross_origin_redirect(
3259 params.from_download_cross_origin_redirect);
3260 return navigation_request;
Camille Lamy5193caa2018-10-12 11:59:423261}
3262
3263std::unique_ptr<NavigationRequest>
3264NavigationControllerImpl::CreateNavigationRequestFromEntry(
clamyea99ea12018-05-28 13:54:233265 FrameTreeNode* frame_tree_node,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573266 NavigationEntryImpl* entry,
clamyea99ea12018-05-28 13:54:233267 FrameNavigationEntry* frame_entry,
3268 ReloadType reload_type,
3269 bool is_same_document_history_load,
Arthur Hemerybee4a752019-05-29 10:50:553270 bool is_history_navigation_in_new_child_frame) {
clamyea99ea12018-05-28 13:54:233271 GURL dest_url = frame_entry->url();
Nasko Oskov03912102019-01-11 00:21:323272 base::Optional<url::Origin> origin_to_commit =
3273 frame_entry->committed_origin();
3274
clamyea99ea12018-05-28 13:54:233275 Referrer dest_referrer = frame_entry->referrer();
Ryan Sturmc4da1992018-07-17 16:59:013276 if (reload_type == ReloadType::ORIGINAL_REQUEST_URL &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573277 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
clamyea99ea12018-05-28 13:54:233278 // We may have been redirected when navigating to the current URL.
3279 // Use the URL the user originally intended to visit as signaled by the
3280 // ReloadType, if it's valid and if a POST wasn't involved; the latter
Ryan Sturmc4da1992018-07-17 16:59:013281 // case avoids issues with sending data to the wrong page.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573282 dest_url = entry->GetOriginalRequestURL();
clamyea99ea12018-05-28 13:54:233283 dest_referrer = Referrer();
Nasko Oskov03912102019-01-11 00:21:323284 origin_to_commit.reset();
clamyea99ea12018-05-28 13:54:233285 }
3286
Ehsan Karamad44fc72112019-02-26 18:15:473287 if (frame_tree_node->render_manager()->is_attaching_inner_delegate()) {
3288 // Avoid starting any new navigations since this node is now preparing for
3289 // attaching an inner delegate.
3290 return nullptr;
Ehsan Karamaddd9a4142018-12-04 20:38:203291 }
3292
Camille Lamy5193caa2018-10-12 11:59:423293 if (!IsValidURLForNavigation(frame_tree_node->IsMainFrame(),
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573294 entry->GetVirtualURL(), dest_url)) {
clamyea99ea12018-05-28 13:54:233295 return nullptr;
3296 }
3297
Nasko Oskov03912102019-01-11 00:21:323298 if (!DoesURLMatchOriginForNavigation(dest_url, origin_to_commit)) {
3299 DCHECK(false) << " url:" << dest_url
3300 << " origin:" << origin_to_commit.value();
3301 return nullptr;
3302 }
3303
clamyea99ea12018-05-28 13:54:233304 // Determine if Previews should be used for the navigation.
3305 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
3306 if (!frame_tree_node->IsMainFrame()) {
3307 // For subframes, use the state of the top-level frame.
3308 previews_state = frame_tree_node->frame_tree()
3309 ->root()
3310 ->current_frame_host()
3311 ->last_navigation_previews_state();
clamyea99ea12018-05-28 13:54:233312 }
3313
clamyea99ea12018-05-28 13:54:233314 // This will be used to set the Navigation Timing API navigationStart
3315 // parameter for browser navigations in new tabs (intents, tabs opened through
3316 // "Open link in new tab"). If the navigation must wait on the current
3317 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3318 // will be updated when the BeforeUnload ack is received.
3319 base::TimeTicks navigation_start = base::TimeTicks::Now();
clamyea99ea12018-05-28 13:54:233320
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513321 mojom::NavigationType navigation_type = GetNavigationType(
clamyea99ea12018-05-28 13:54:233322 frame_tree_node->current_url(), // old_url
3323 dest_url, // new_url
3324 reload_type, // reload_type
3325 entry, // entry
3326 *frame_entry, // frame_entry
3327 is_same_document_history_load); // is_same_document_history_load
Camille Lamy5193caa2018-10-12 11:59:423328
3329 // A form submission may happen here if the navigation is a
3330 // back/forward/reload navigation that does a form resubmission.
3331 scoped_refptr<network::ResourceRequestBody> request_body;
3332 std::string post_content_type;
3333 if (frame_entry->method() == "POST") {
3334 request_body = frame_entry->GetPostData(&post_content_type);
3335 // Might have a LF at end.
3336 post_content_type =
3337 base::TrimWhitespaceASCII(post_content_type, base::TRIM_ALL)
3338 .as_string();
3339 }
3340
3341 // Create the NavigationParams based on |entry| and |frame_entry|.
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513342 mojom::CommonNavigationParamsPtr common_params =
3343 entry->ConstructCommonNavigationParams(
3344 *frame_entry, request_body, dest_url,
3345 blink::mojom::Referrer::New(dest_referrer.url, dest_referrer.policy),
3346 navigation_type, previews_state, navigation_start,
Charlie Hu5ffc0152019-12-06 15:59:533347 base::TimeTicks() /* input_start */);
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513348 common_params->is_history_navigation_in_new_child_frame =
Arthur Hemerybee4a752019-05-29 10:50:553349 is_history_navigation_in_new_child_frame;
Camille Lamy5193caa2018-10-12 11:59:423350
3351 // TODO(clamy): |intended_as_new_entry| below should always be false once
3352 // Reload no longer leads to this being called for a pending NavigationEntry
3353 // of index -1.
Lucas Furukawa Gadania9c45682019-07-31 22:05:143354 mojom::CommitNavigationParamsPtr commit_params =
3355 entry->ConstructCommitNavigationParams(
3356 *frame_entry, common_params->url, origin_to_commit,
3357 common_params->method, entry->GetSubframeUniqueNames(frame_tree_node),
3358 GetPendingEntryIndex() == -1 /* intended_as_new_entry */,
Charlie Hu5ffc0152019-12-06 15:59:533359 GetIndexOfEntry(entry), GetLastCommittedEntryIndex(), GetEntryCount(),
3360 frame_tree_node->pending_frame_policy());
Lucas Furukawa Gadania9c45682019-07-31 22:05:143361 commit_params->post_content_type = post_content_type;
Camille Lamy5193caa2018-10-12 11:59:423362
clamyea99ea12018-05-28 13:54:233363 return NavigationRequest::CreateBrowserInitiated(
Lucas Furukawa Gadania9c45682019-07-31 22:05:143364 frame_tree_node, std::move(common_params), std::move(commit_params),
John Delaneyf43556d2020-05-04 23:19:063365 !entry->is_renderer_initiated(),
3366 GlobalFrameRoutingId() /* initiator_routing_id */, entry->extra_headers(),
3367 frame_entry, entry, request_body, nullptr /* navigation_ui_data */,
John Delaney50425f82020-04-07 16:26:213368 base::nullopt /* impression */);
clamyea99ea12018-05-28 13:54:233369}
3370
[email protected]d202a7c2012-01-04 07:53:473371void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:213372 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:273373 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:403374
[email protected]2db9bd72012-04-13 20:20:563375 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:403376 // location bar will have up-to-date information about the security style
3377 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:133378 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:403379
[email protected]7f924832014-08-09 05:57:223380 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:573381 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:463382
[email protected]b0f724c2013-09-05 04:21:133383 // TODO(avi): Remove. http://crbug.com/170921
3384 NotificationDetails notification_details =
3385 Details<LoadCommittedDetails>(details);
Aran Gilman37d11632019-10-08 23:07:153386 NotificationService::current()->Notify(NOTIFICATION_NAV_ENTRY_COMMITTED,
3387 Source<NavigationController>(this),
3388 notification_details);
initial.commit09911bf2008-07-26 23:55:293389}
3390
initial.commit09911bf2008-07-26 23:55:293391// static
[email protected]d202a7c2012-01-04 07:53:473392size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:233393 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
Aran Gilman37d11632019-10-08 23:07:153394 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:213395 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:233396}
3397
[email protected]d202a7c2012-01-04 07:53:473398void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:223399 if (is_active && needs_reload_)
3400 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:293401}
3402
[email protected]d202a7c2012-01-04 07:53:473403void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:293404 if (!needs_reload_)
3405 return;
3406
Bo Liucdfa4b12018-11-06 00:21:443407 UMA_HISTOGRAM_ENUMERATION("Navigation.LoadIfNecessaryType",
3408 needs_reload_type_);
3409
initial.commit09911bf2008-07-26 23:55:293410 // Calling Reload() results in ignoring state, and not loading.
3411 // Explicitly use NavigateToPendingEntry so that the renderer uses the
3412 // cached state.
avicc872d7242015-08-19 21:26:343413 if (pending_entry_) {
Dave Tapuska8bfd84c2019-03-26 20:47:163414 NavigateToExistingPendingEntry(ReloadType::NONE,
3415 FrameTreeNode::kFrameTreeNodeInvalidId);
avicc872d7242015-08-19 21:26:343416 } else if (last_committed_entry_index_ != -1) {
arthursonzogni5c4c202d2017-04-25 23:41:273417 pending_entry_ = entries_[last_committed_entry_index_].get();
avicc872d7242015-08-19 21:26:343418 pending_entry_index_ = last_committed_entry_index_;
Dave Tapuska8bfd84c2019-03-26 20:47:163419 NavigateToExistingPendingEntry(ReloadType::NONE,
3420 FrameTreeNode::kFrameTreeNodeInvalidId);
avicc872d7242015-08-19 21:26:343421 } else {
3422 // If there is something to reload, the successful reload will clear the
3423 // |needs_reload_| flag. Otherwise, just do it here.
3424 needs_reload_ = false;
3425 }
initial.commit09911bf2008-07-26 23:55:293426}
3427
Carlos IL42b416592019-10-07 23:10:363428void NavigationControllerImpl::LoadPostCommitErrorPage(
3429 RenderFrameHost* render_frame_host,
3430 const GURL& url,
3431 const std::string& error_page_html,
3432 net::Error error) {
John Delaney56f73332019-11-04 19:39:253433 // A frame pending deletion is not allowed to navigate, the browser is already
3434 // committed to destroying this frame so ignore loading the error page.
3435 if (!static_cast<RenderFrameHostImpl*>(render_frame_host)->is_active())
3436 return;
3437
John Delaney131ad362019-08-08 21:57:413438 FrameTreeNode* node =
3439 static_cast<RenderFrameHostImpl*>(render_frame_host)->frame_tree_node();
3440
3441 mojom::CommonNavigationParamsPtr common_params =
3442 CreateCommonNavigationParams();
3443 common_params->url = url;
3444 mojom::CommitNavigationParamsPtr commit_params =
3445 CreateCommitNavigationParams();
3446
3447 std::unique_ptr<NavigationRequest> navigation_request =
3448 NavigationRequest::CreateBrowserInitiated(
3449 node, std::move(common_params), std::move(commit_params),
John Delaneyf43556d2020-05-04 23:19:063450 true /* browser_initiated */,
3451 GlobalFrameRoutingId() /* initiator_routing_id */,
3452 "" /* extra_headers */, nullptr /* frame_entry */,
3453 nullptr /* entry */, nullptr /* post_body */,
3454 nullptr /* navigation_ui_data */, base::nullopt /* impression */);
Carlos IL42b416592019-10-07 23:10:363455 navigation_request->set_post_commit_error_page_html(error_page_html);
John Delaney131ad362019-08-08 21:57:413456 navigation_request->set_net_error(error);
3457 node->CreatedNavigationRequest(std::move(navigation_request));
3458 DCHECK(node->navigation_request());
3459 node->navigation_request()->BeginNavigation();
3460}
3461
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573462void NavigationControllerImpl::NotifyEntryChanged(NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:213463 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:093464 det.changed_entry = entry;
Aran Gilman37d11632019-10-08 23:07:153465 det.index = GetIndexOfEntry(NavigationEntryImpl::FromNavigationEntry(entry));
Sam McNally5c087a32017-08-25 01:46:143466 delegate_->NotifyNavigationEntryChanged(det);
initial.commit09911bf2008-07-26 23:55:293467}
3468
[email protected]d202a7c2012-01-04 07:53:473469void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:363470 RestoreType type) {
[email protected]a26023822011-12-29 00:23:553471 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:363472 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:293473
initial.commit09911bf2008-07-26 23:55:293474 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:293475}
[email protected]765b35502008-08-21 00:51:203476
arthursonzogni69a6a1b2019-09-17 09:23:003477void NavigationControllerImpl::DiscardNonCommittedEntries() {
Michael Thiessen9b14d512019-09-23 21:19:473478 // Avoid sending a notification if there is nothing to discard.
Michael Thiessenc5676d22019-09-25 22:32:103479 // TODO(mthiesse): Temporarily checking failed_pending_entry_id_ to help
3480 // diagnose https://bugs.chromium.org/p/chromium/issues/detail?id=1007570.
3481 if (!pending_entry_ && transient_entry_index_ == -1 &&
3482 failed_pending_entry_id_ == 0) {
Michael Thiessen9b14d512019-09-23 21:19:473483 return;
Michael Thiessenc5676d22019-09-25 22:32:103484 }
3485
avi45a72532015-04-07 21:01:453486 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:483487 DiscardTransientEntry();
arthursonzogni69a6a1b2019-09-17 09:23:003488 if (delegate_)
3489 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]b12eb222013-09-10 00:11:483490}
3491
[email protected]d202a7c2012-01-04 07:53:473492void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473493 if (transient_entry_index_ == -1)
3494 return;
[email protected]a0e69262009-06-03 19:08:483495 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:183496 if (last_committed_entry_index_ > transient_entry_index_)
3497 last_committed_entry_index_--;
arthursonzogni5c4c202d2017-04-25 23:41:273498 if (pending_entry_index_ > transient_entry_index_)
3499 pending_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:473500 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:203501}
3502
avi7c6f35e2015-05-08 17:52:383503int NavigationControllerImpl::GetEntryIndexWithUniqueID(
3504 int nav_entry_id) const {
3505 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
3506 if (entries_[i]->GetUniqueID() == nav_entry_id)
3507 return i;
3508 }
3509 return -1;
3510}
3511
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573512NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473513 if (transient_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:283514 return nullptr;
avif16f85a72015-11-13 18:25:033515 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:473516}
[email protected]e1cd5452010-08-26 18:03:253517
avi25764702015-06-23 15:43:373518void NavigationControllerImpl::SetTransientEntry(
dcheng9bfa5162016-04-09 01:00:573519 std::unique_ptr<NavigationEntry> entry) {
[email protected]0b684262013-02-20 02:18:213520 // Discard any current transient entry, we can only have one at a time.
Piotr Kalinowski2cccb522019-07-09 12:10:513521 DiscardTransientEntry();
[email protected]0b684262013-02-20 02:18:213522 int index = 0;
3523 if (last_committed_entry_index_ != -1)
3524 index = last_committed_entry_index_ + 1;
avi25764702015-06-23 15:43:373525 entries_.insert(entries_.begin() + index,
dcheng36b6aec92015-12-26 06:16:363526 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
arthursonzogni5c4c202d2017-04-25 23:41:273527 if (pending_entry_index_ >= index)
3528 pending_entry_index_++;
[email protected]0b684262013-02-20 02:18:213529 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:223530 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:213531}
3532
[email protected]d202a7c2012-01-04 07:53:473533void NavigationControllerImpl::InsertEntriesFrom(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573534 NavigationControllerImpl* source,
[email protected]e1cd5452010-08-26 18:03:253535 int max_index) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573536 DCHECK_LE(max_index, source->GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:253537 size_t insert_index = 0;
3538 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:353539 // When cloning a tab, copy all entries except interstitial pages.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573540 if (source->entries_[i]->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
creisef4a0cb2015-03-12 19:14:353541 // TODO(creis): Once we start sharing FrameNavigationEntries between
3542 // NavigationEntries, it will not be safe to share them with another tab.
3543 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:253544 entries_.insert(entries_.begin() + insert_index++,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573545 source->entries_[i]->Clone());
[email protected]e1cd5452010-08-26 18:03:253546 }
3547 }
arthursonzogni5c4c202d2017-04-25 23:41:273548 DCHECK(pending_entry_index_ == -1 ||
3549 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
[email protected]e1cd5452010-08-26 18:03:253550}
[email protected]c5b88d82012-10-06 17:03:333551
3552void NavigationControllerImpl::SetGetTimestampCallbackForTest(
Makoto Shimazud2aa2202019-10-09 13:57:183553 const base::RepeatingCallback<base::Time()>& get_timestamp_callback) {
[email protected]c5b88d82012-10-06 17:03:333554 get_timestamp_callback_ = get_timestamp_callback;
3555}
[email protected]8ff00d72012-10-23 19:12:213556
Shivani Sharmaffb32b82019-04-09 16:58:473557// History manipulation intervention:
3558void NavigationControllerImpl::SetShouldSkipOnBackForwardUIIfNeeded(
3559 RenderFrameHostImpl* rfh,
3560 bool replace_entry,
3561 bool previous_document_was_activated,
Alexander Timine3ec4192020-04-20 16:39:403562 bool is_renderer_initiated,
3563 ukm::SourceId previous_page_load_ukm_source_id) {
Shivani Sharma712d5d72019-04-16 21:56:453564 // Note that for a subframe, previous_document_was_activated is true if the
3565 // gesture happened in any subframe (propagated to main frame) or in the main
3566 // frame itself.
Shivani Sharmaffb32b82019-04-09 16:58:473567 if (replace_entry || previous_document_was_activated ||
shivanigithubcceeacf2020-03-06 20:00:273568 !is_renderer_initiated) {
Shivani Sharmaffb32b82019-04-09 16:58:473569 if (last_committed_entry_index_ != -1) {
3570 UMA_HISTOGRAM_BOOLEAN(
3571 "Navigation.BackForward.SetShouldSkipOnBackForwardUI", false);
3572 }
3573 return;
3574 }
3575 if (last_committed_entry_index_ == -1)
3576 return;
3577
Shivani Sharmac4cc8922019-04-18 03:11:173578 SetSkippableForSameDocumentEntries(last_committed_entry_index_, true);
Shivani Sharmaffb32b82019-04-09 16:58:473579 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.SetShouldSkipOnBackForwardUI",
3580 true);
3581
Alexander Timine3ec4192020-04-20 16:39:403582 // Log UKM with the URL we are navigating away from.
3583 ukm::builders::HistoryManipulationIntervention(
3584 previous_page_load_ukm_source_id)
3585 .Record(ukm::UkmRecorder::Get());
Shivani Sharmaffb32b82019-04-09 16:58:473586}
3587
Shivani Sharmac4cc8922019-04-18 03:11:173588void NavigationControllerImpl::SetSkippableForSameDocumentEntries(
3589 int reference_index,
3590 bool skippable) {
3591 auto* reference_entry = GetEntryAtIndex(reference_index);
3592 reference_entry->set_should_skip_on_back_forward_ui(skippable);
3593
3594 int64_t document_sequence_number =
3595 reference_entry->root_node()->frame_entry->document_sequence_number();
3596 for (int index = 0; index < GetEntryCount(); index++) {
3597 auto* entry = GetEntryAtIndex(index);
3598 if (entry->root_node()->frame_entry->document_sequence_number() ==
3599 document_sequence_number) {
3600 entry->set_should_skip_on_back_forward_ui(skippable);
3601 }
3602 }
3603}
3604
arthursonzogni66f711c2019-10-08 14:40:363605std::unique_ptr<NavigationControllerImpl::PendingEntryRef>
3606NavigationControllerImpl::ReferencePendingEntry() {
3607 DCHECK(pending_entry_);
3608 auto pending_entry_ref =
3609 std::make_unique<PendingEntryRef>(weak_factory_.GetWeakPtr());
3610 pending_entry_refs_.insert(pending_entry_ref.get());
3611 return pending_entry_ref;
3612}
3613
3614void NavigationControllerImpl::PendingEntryRefDeleted(PendingEntryRef* ref) {
3615 // Ignore refs that don't correspond to the current pending entry.
3616 auto it = pending_entry_refs_.find(ref);
3617 if (it == pending_entry_refs_.end())
3618 return;
3619 pending_entry_refs_.erase(it);
3620
3621 if (!pending_entry_refs_.empty())
3622 return;
3623
3624 // The pending entry may be deleted before the last PendingEntryRef.
3625 if (!pending_entry_)
3626 return;
3627
3628 // We usually clear the pending entry when the matching NavigationRequest
3629 // fails, so that an arbitrary URL isn't left visible above a committed page.
3630 //
3631 // However, we do preserve the pending entry in some cases, such as on the
3632 // initial navigation of an unmodified blank tab. We also allow the delegate
3633 // to say when it's safe to leave aborted URLs in the omnibox, to let the
3634 // user edit the URL and try again. This may be useful in cases that the
3635 // committed page cannot be attacker-controlled. In these cases, we still
3636 // allow the view to clear the pending entry and typed URL if the user
3637 // requests (e.g., hitting Escape with focus in the address bar).
3638 //
3639 // Do not leave the pending entry visible if it has an invalid URL, since this
3640 // might be formatted in an unexpected or unsafe way.
3641 // TODO(creis): Block navigations to invalid URLs in https://crbug.com/850824.
3642 //
3643 // Note: don't touch the transient entry, since an interstitial may exist.
3644 bool should_preserve_entry =
3645 (pending_entry_ == GetVisibleEntry()) &&
3646 pending_entry_->GetURL().is_valid() &&
3647 (IsUnmodifiedBlankTab() || delegate_->ShouldPreserveAbortedURLs());
3648 if (should_preserve_entry)
3649 return;
3650
3651 DiscardPendingEntry(true);
3652 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
3653}
3654
[email protected]8ff00d72012-10-23 19:12:213655} // namespace content