blob: ce8805043137d82cf5bafa34509fff3992ef3c9b [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"
57#include "content/browser/frame_host/interstitial_page_impl.h"
58#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"
[email protected]b6583592012-01-25 19:52:3361#include "content/browser/site_instance_impl.h"
Tsuyoshi Horoa6bb6442019-10-04 07:39:4262#include "content/browser/web_package/bundled_exchanges_navigation_info.h"
Camille Lamy5193caa2018-10-12 11:59:4263#include "content/common/content_constants_internal.h"
[email protected]37567b432014-02-12 01:12:2264#include "content/common/frame_messages.h"
[email protected]0aed2f52011-03-23 18:06:3665#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1166#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1967#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4668#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0069#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3870#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1671#include "content/public/browser/notification_types.h"
Lei Zhang96031532019-10-10 19:05:4772#include "content/public/browser/render_view_host.h"
[email protected]9677a3c2012-12-22 04:18:5873#include "content/public/browser/render_widget_host.h"
74#include "content/public/browser/render_widget_host_view.h"
Mikel Astizba9cf2fd2017-12-17 10:38:1075#include "content/public/browser/replaced_navigation_entry_data.h"
[email protected]4c3a23582012-08-18 08:54:3476#include "content/public/browser/storage_partition.h"
[email protected]d1198fd2012-08-13 22:50:1977#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3878#include "content/public/common/content_constants.h"
toyoshim86e34ec2016-02-25 08:56:1079#include "content/public/common/content_features.h"
Lei Zhang96031532019-10-10 19:05:4780#include "content/public/common/url_constants.h"
clamy7fced7b2017-11-16 19:52:4381#include "content/public/common/url_utils.h"
servolkf3955532015-05-16 00:01:5982#include "media/base/mime_util.h"
[email protected]a23de8572009-06-03 02:16:3283#include "net/base/escape.h"
Arthur Sonzogni620cec62018-12-13 13:08:5784#include "net/http/http_status_code.h"
Shivani Sharma93329102019-01-24 19:44:1885#include "services/metrics/public/cpp/ukm_builders.h"
86#include "services/metrics/public/cpp/ukm_recorder.h"
[email protected]9677a3c2012-12-22 04:18:5887#include "skia/ext/platform_canvas.h"
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:3988#include "third_party/blink/public/common/blob/blob_utils.h"
Blink Reformata30d4232018-04-07 15:31:0689#include "third_party/blink/public/common/mime_util/mime_util.h"
[email protected]cca6f392014-05-28 21:32:2690#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2991
[email protected]8ff00d72012-10-23 19:12:2192namespace content {
[email protected]e9ba4472008-09-14 15:42:4393namespace {
94
95// Invoked when entries have been pruned, or removed. For example, if the
96// current entries are [google, digg, yahoo], with the current entry google,
97// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4798void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
Shivani Sharmab9c46de82019-02-08 16:54:5099 int index,
[email protected]c12bf1a12008-09-17 16:28:49100 int count) {
[email protected]8ff00d72012-10-23 19:12:21101 PrunedDetails details;
Shivani Sharmab9c46de82019-02-08 16:54:50102 details.index = index;
[email protected]c12bf1a12008-09-17 16:28:49103 details.count = count;
Sam McNally5c087a32017-08-25 01:46:14104 nav_controller->delegate()->NotifyNavigationListPruned(details);
[email protected]e9ba4472008-09-14 15:42:43105}
106
[email protected]e9ba4472008-09-14 15:42:43107// Configure all the NavigationEntries in entries for restore. This resets
108// the transition type to reload and makes sure the content state isn't empty.
109void ConfigureEntriesForRestore(
dcheng9bfa5162016-04-09 01:00:57110 std::vector<std::unique_ptr<NavigationEntryImpl>>* entries,
toyoshim0df1d3a2016-09-09 09:52:48111 RestoreType type) {
Lei Zhang96031532019-10-10 19:05:47112 for (auto& entry : *entries) {
[email protected]e9ba4472008-09-14 15:42:43113 // Use a transition type of reload so that we don't incorrectly increase
114 // the typed count.
Lei Zhang96031532019-10-10 19:05:47115 entry->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
116 entry->set_restore_type(type);
[email protected]e9ba4472008-09-14 15:42:43117 }
118}
119
[email protected]bf70edce2012-06-20 22:32:22120// Determines whether or not we should be carrying over a user agent override
121// between two NavigationEntries.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57122bool ShouldKeepOverride(NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22123 return last_entry && last_entry->GetIsOverridingUserAgent();
124}
125
Camille Lamy5193caa2018-10-12 11:59:42126// Determines whether to override user agent for a navigation.
127bool ShouldOverrideUserAgent(
128 NavigationController::UserAgentOverrideOption override_user_agent,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57129 NavigationEntry* last_committed_entry) {
Camille Lamy5193caa2018-10-12 11:59:42130 switch (override_user_agent) {
131 case NavigationController::UA_OVERRIDE_INHERIT:
132 return ShouldKeepOverride(last_committed_entry);
133 case NavigationController::UA_OVERRIDE_TRUE:
134 return true;
135 case NavigationController::UA_OVERRIDE_FALSE:
136 return false;
Camille Lamy5193caa2018-10-12 11:59:42137 }
138 NOTREACHED();
139 return false;
140}
141
clamy0a656e42018-02-06 18:18:28142// Returns true this navigation should be treated as a reload. For e.g.
143// navigating to the last committed url via the address bar or clicking on a
144// link which results in a navigation to the last committed or pending
145// navigation, etc.
146// |url|, |virtual_url|, |base_url_for_data_url|, |transition_type| correspond
147// to the new navigation (i.e. the pending NavigationEntry).
148// |last_committed_entry| is the last navigation that committed.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57149bool ShouldTreatNavigationAsReload(const GURL& url,
150 const GURL& virtual_url,
151 const GURL& base_url_for_data_url,
152 ui::PageTransition transition_type,
153 bool is_main_frame,
154 bool is_post,
155 bool is_reload,
156 bool is_navigation_to_existing_entry,
157 bool has_interstitial,
158 NavigationEntryImpl* last_committed_entry) {
clamy0a656e42018-02-06 18:18:28159 // Don't convert when an interstitial is showing.
160 if (has_interstitial)
161 return false;
162
163 // Only convert main frame navigations to a new entry.
164 if (!is_main_frame || is_reload || is_navigation_to_existing_entry)
165 return false;
166
167 // Only convert to reload if at least one navigation committed.
168 if (!last_committed_entry)
ananta3bdd8ae2016-12-22 17:11:55169 return false;
170
arthursonzogni7a8243682017-12-14 16:41:42171 // Skip navigations initiated by external applications.
clamy0a656e42018-02-06 18:18:28172 if (transition_type & ui::PAGE_TRANSITION_FROM_API)
arthursonzogni7a8243682017-12-14 16:41:42173 return false;
174
ananta3bdd8ae2016-12-22 17:11:55175 // We treat (PAGE_TRANSITION_RELOAD | PAGE_TRANSITION_FROM_ADDRESS_BAR),
176 // PAGE_TRANSITION_TYPED or PAGE_TRANSITION_LINK transitions as navigations
177 // which should be treated as reloads.
clamy0a656e42018-02-06 18:18:28178 bool transition_type_can_be_converted = false;
179 if (ui::PageTransitionCoreTypeIs(transition_type,
180 ui::PAGE_TRANSITION_RELOAD) &&
181 (transition_type & ui::PAGE_TRANSITION_FROM_ADDRESS_BAR)) {
182 transition_type_can_be_converted = true;
ananta3bdd8ae2016-12-22 17:11:55183 }
clamy0a656e42018-02-06 18:18:28184 if (ui::PageTransitionCoreTypeIs(transition_type,
ananta3bdd8ae2016-12-22 17:11:55185 ui::PAGE_TRANSITION_TYPED)) {
clamy0a656e42018-02-06 18:18:28186 transition_type_can_be_converted = true;
187 }
188 if (ui::PageTransitionCoreTypeIs(transition_type, ui::PAGE_TRANSITION_LINK))
189 transition_type_can_be_converted = true;
190 if (!transition_type_can_be_converted)
191 return false;
192
193 // This check is required for cases like view-source:, etc. Here the URL of
194 // the navigation entry would contain the url of the page, while the virtual
195 // URL contains the full URL including the view-source prefix.
196 if (virtual_url != last_committed_entry->GetVirtualURL())
197 return false;
198
199 // Check that the URL match.
200 if (url != last_committed_entry->GetURL())
201 return false;
202
203 // This check is required for Android WebView loadDataWithBaseURL. Apps
204 // can pass in anything in the base URL and we need to ensure that these
205 // match before classifying it as a reload.
206 if (url.SchemeIs(url::kDataScheme) && base_url_for_data_url.is_valid()) {
207 if (base_url_for_data_url != last_committed_entry->GetBaseURLForDataURL())
208 return false;
ananta3bdd8ae2016-12-22 17:11:55209 }
210
clamy0a656e42018-02-06 18:18:28211 // Skip entries with SSL errors.
212 if (last_committed_entry->ssl_error())
213 return false;
214
215 // Don't convert to a reload when the last navigation was a POST or the new
216 // navigation is a POST.
217 if (last_committed_entry->GetHasPostData() || is_post)
218 return false;
219
220 return true;
ananta3bdd8ae2016-12-22 17:11:55221}
222
Nasko Oskov03912102019-01-11 00:21:32223bool DoesURLMatchOriginForNavigation(
224 const GURL& url,
225 const base::Optional<url::Origin>& origin) {
226 // If there is no origin supplied there is nothing to match. This can happen
227 // for navigations to a pending entry and therefore it should be allowed.
228 if (!origin)
229 return true;
230
231 return origin->CanBeDerivedFrom(url);
232}
233
234base::Optional<url::Origin> GetCommittedOriginForFrameEntry(
235 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
236 // Error pages commit in an opaque origin, yet have the real URL that resulted
237 // in an error as the |params.url|. Since successful reload of an error page
238 // should commit in the correct origin, setting the opaque origin on the
239 // FrameNavigationEntry will be incorrect.
240 if (params.url_is_unreachable)
241 return base::nullopt;
242
243 return base::make_optional(params.origin);
244}
245
Camille Lamy5193caa2018-10-12 11:59:42246bool IsValidURLForNavigation(bool is_main_frame,
247 const GURL& virtual_url,
248 const GURL& dest_url) {
249 // Don't attempt to navigate if the virtual URL is non-empty and invalid.
250 if (is_main_frame && !virtual_url.is_valid() && !virtual_url.is_empty()) {
251 LOG(WARNING) << "Refusing to load for invalid virtual URL: "
252 << virtual_url.possibly_invalid_spec();
253 return false;
254 }
255
256 // Don't attempt to navigate to non-empty invalid URLs.
257 if (!dest_url.is_valid() && !dest_url.is_empty()) {
258 LOG(WARNING) << "Refusing to load invalid URL: "
259 << dest_url.possibly_invalid_spec();
260 return false;
261 }
262
263 // The renderer will reject IPC messages with URLs longer than
264 // this limit, so don't attempt to navigate with a longer URL.
265 if (dest_url.spec().size() > url::kMaxURLChars) {
266 LOG(WARNING) << "Refusing to load URL as it exceeds " << url::kMaxURLChars
267 << " characters.";
268 return false;
269 }
270
271 return true;
272}
273
Mikel Astizba9cf2fd2017-12-17 10:38:10274// See replaced_navigation_entry_data.h for details: this information is meant
275// to ensure |*output_entry| keeps track of its original URL (landing page in
276// case of server redirects) as it gets replaced (e.g. history.replaceState()),
277// without overwriting it later, for main frames.
278void CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57279 NavigationEntryImpl* replaced_entry,
Mikel Astizba9cf2fd2017-12-17 10:38:10280 NavigationEntryImpl* output_entry) {
281 if (output_entry->GetReplacedEntryData().has_value())
282 return;
283
284 ReplacedNavigationEntryData data;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57285 data.first_committed_url = replaced_entry->GetURL();
286 data.first_timestamp = replaced_entry->GetTimestamp();
287 data.first_transition_type = replaced_entry->GetTransitionType();
Charlie Reisb55438f2019-01-08 01:54:29288 output_entry->set_replaced_entry_data(data);
Mikel Astizba9cf2fd2017-12-17 10:38:10289}
290
Lucas Furukawa Gadanief8290a2019-07-29 20:27:51291mojom::NavigationType GetNavigationType(const GURL& old_url,
292 const GURL& new_url,
293 ReloadType reload_type,
294 NavigationEntryImpl* entry,
295 const FrameNavigationEntry& frame_entry,
296 bool is_same_document_history_load) {
clamyea99ea12018-05-28 13:54:23297 // Reload navigations
298 switch (reload_type) {
299 case ReloadType::NORMAL:
Lucas Furukawa Gadanief8290a2019-07-29 20:27:51300 return mojom::NavigationType::RELOAD;
clamyea99ea12018-05-28 13:54:23301 case ReloadType::BYPASSING_CACHE:
Lucas Furukawa Gadanief8290a2019-07-29 20:27:51302 return mojom::NavigationType::RELOAD_BYPASSING_CACHE;
clamyea99ea12018-05-28 13:54:23303 case ReloadType::ORIGINAL_REQUEST_URL:
Lucas Furukawa Gadanief8290a2019-07-29 20:27:51304 return mojom::NavigationType::RELOAD_ORIGINAL_REQUEST_URL;
clamyea99ea12018-05-28 13:54:23305 case ReloadType::NONE:
306 break; // Fall through to rest of function.
307 }
308
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57309 if (entry->restore_type() == RestoreType::LAST_SESSION_EXITED_CLEANLY) {
Lei Zhang96031532019-10-10 19:05:47310 return entry->GetHasPostData() ? mojom::NavigationType::RESTORE_WITH_POST
311 : mojom::NavigationType::RESTORE;
clamyea99ea12018-05-28 13:54:23312 }
313
314 // History navigations.
315 if (frame_entry.page_state().IsValid()) {
Lei Zhang96031532019-10-10 19:05:47316 return is_same_document_history_load
317 ? mojom::NavigationType::HISTORY_SAME_DOCUMENT
318 : mojom::NavigationType::HISTORY_DIFFERENT_DOCUMENT;
clamyea99ea12018-05-28 13:54:23319 }
320 DCHECK(!is_same_document_history_load);
321
322 // A same-document fragment-navigation happens when the only part of the url
323 // that is modified is after the '#' character.
324 //
325 // When modifying this condition, please take a look at:
326 // FrameLoader::shouldPerformFragmentNavigation.
327 //
328 // Note: this check is only valid for navigations that are not history
329 // navigations. For instance, if the history is: 'A#bar' -> 'B' -> 'A#foo', a
330 // history navigation from 'A#foo' to 'A#bar' is not a same-document
331 // navigation, but a different-document one. This is why history navigation
332 // are classified before this check.
Lei Zhang96031532019-10-10 19:05:47333 bool is_same_doc = new_url.has_ref() && old_url.EqualsIgnoringRef(new_url) &&
334 frame_entry.method() == "GET";
335 return is_same_doc ? mojom::NavigationType::SAME_DOCUMENT
336 : mojom::NavigationType::DIFFERENT_DOCUMENT;
clamyea99ea12018-05-28 13:54:23337}
338
Camille Lamy5193caa2018-10-12 11:59:42339// Adjusts the original input URL if needed, to get the URL to actually load and
340// the virtual URL, which may differ.
341void RewriteUrlForNavigation(const GURL& original_url,
342 BrowserContext* browser_context,
343 GURL* url_to_load,
344 GURL* virtual_url,
345 bool* reverse_on_redirect) {
346 // Fix up the given URL before letting it be rewritten, so that any minor
347 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
348 *virtual_url = original_url;
349 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(virtual_url,
350 browser_context);
351
352 // Allow the browser URL handler to rewrite the URL. This will, for example,
353 // remove "view-source:" from the beginning of the URL to get the URL that
354 // will actually be loaded. This real URL won't be shown to the user, just
355 // used internally.
356 *url_to_load = *virtual_url;
357 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
358 url_to_load, browser_context, reverse_on_redirect);
359}
360
361#if DCHECK_IS_ON()
362// Helper sanity check function used in debug mode.
363void ValidateRequestMatchesEntry(NavigationRequest* request,
364 NavigationEntryImpl* entry) {
365 if (request->frame_tree_node()->IsMainFrame()) {
366 DCHECK_EQ(request->browser_initiated(), !entry->is_renderer_initiated());
367 DCHECK(ui::PageTransitionTypeIncludingQualifiersIs(
368 request->common_params().transition, entry->GetTransitionType()));
369 }
370 DCHECK_EQ(request->common_params().should_replace_current_entry,
371 entry->should_replace_entry());
Nasko Oskovc36327d2019-01-03 23:23:04372 DCHECK_EQ(request->commit_params().should_clear_history_list,
Camille Lamy5193caa2018-10-12 11:59:42373 entry->should_clear_history_list());
374 DCHECK_EQ(request->common_params().has_user_gesture,
375 entry->has_user_gesture());
376 DCHECK_EQ(request->common_params().base_url_for_data_url,
377 entry->GetBaseURLForDataURL());
Nasko Oskovc36327d2019-01-03 23:23:04378 DCHECK_EQ(request->commit_params().can_load_local_resources,
Camille Lamy5193caa2018-10-12 11:59:42379 entry->GetCanLoadLocalResources());
380 DCHECK_EQ(request->common_params().started_from_context_menu,
381 entry->has_started_from_context_menu());
382
383 FrameNavigationEntry* frame_entry =
384 entry->GetFrameEntry(request->frame_tree_node());
385 if (!frame_entry) {
386 NOTREACHED();
387 return;
388 }
389
390 DCHECK_EQ(request->common_params().url, frame_entry->url());
391 DCHECK_EQ(request->common_params().method, frame_entry->method());
392
Nasko Oskovc36327d2019-01-03 23:23:04393 size_t redirect_size = request->commit_params().redirects.size();
Camille Lamy5193caa2018-10-12 11:59:42394 if (redirect_size == frame_entry->redirect_chain().size()) {
395 for (size_t i = 0; i < redirect_size; ++i) {
Nasko Oskovc36327d2019-01-03 23:23:04396 DCHECK_EQ(request->commit_params().redirects[i],
Camille Lamy5193caa2018-10-12 11:59:42397 frame_entry->redirect_chain()[i]);
398 }
399 } else {
400 NOTREACHED();
401 }
402}
403#endif // DCHECK_IS_ON()
404
Dave Tapuska8bfd84c2019-03-26 20:47:16405// Returns whether the session history NavigationRequests in |navigations|
406// would stay within the subtree of the sandboxed iframe in
407// |sandbox_frame_tree_node_id|.
408bool DoesSandboxNavigationStayWithinSubtree(
409 int sandbox_frame_tree_node_id,
410 const std::vector<std::unique_ptr<NavigationRequest>>& navigations) {
411 for (auto& item : navigations) {
412 bool within_subtree = false;
413 // Check whether this NavigationRequest affects a frame within the
414 // sandboxed frame's subtree by walking up the tree looking for the
415 // sandboxed frame.
416 for (auto* frame = item->frame_tree_node(); frame;
417 frame = frame->parent()) {
418 if (frame->frame_tree_node_id() == sandbox_frame_tree_node_id) {
419 within_subtree = true;
420 break;
421 }
422 }
423 if (!within_subtree)
424 return false;
425 }
426 return true;
427}
428
[email protected]e9ba4472008-09-14 15:42:43429} // namespace
430
arthursonzogni66f711c2019-10-08 14:40:36431// NavigationControllerImpl::PendingEntryRef------------------------------------
432
433NavigationControllerImpl::PendingEntryRef::PendingEntryRef(
434 base::WeakPtr<NavigationControllerImpl> controller)
435 : controller_(controller) {}
436
437NavigationControllerImpl::PendingEntryRef::~PendingEntryRef() {
438 if (!controller_) // Can be null with interstitials.
439 return;
440
441 controller_->PendingEntryRefDeleted(this);
442}
443
[email protected]d202a7c2012-01-04 07:53:47444// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29445
[email protected]23a918b2014-07-15 09:51:36446const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23447
[email protected]765b35502008-08-21 00:51:20448// static
[email protected]d202a7c2012-01-04 07:53:47449size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23450 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20451
[email protected]e6fec472013-05-14 05:29:02452// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20453// when testing.
454static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29455
[email protected]71fde352011-12-29 03:29:56456// static
dcheng9bfa5162016-04-09 01:00:57457std::unique_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
458 const GURL& url,
459 const Referrer& referrer,
Lukasz Anforowicz435bcb582019-07-12 20:50:06460 const base::Optional<url::Origin>& initiator_origin,
dcheng9bfa5162016-04-09 01:00:57461 ui::PageTransition transition,
462 bool is_renderer_initiated,
463 const std::string& extra_headers,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:09464 BrowserContext* browser_context,
465 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
Camille Lamy5193caa2018-10-12 11:59:42466 GURL url_to_load;
467 GURL virtual_url;
[email protected]71fde352011-12-29 03:29:56468 bool reverse_on_redirect = false;
Camille Lamy5193caa2018-10-12 11:59:42469 RewriteUrlForNavigation(url, browser_context, &url_to_load, &virtual_url,
470 &reverse_on_redirect);
[email protected]71fde352011-12-29 03:29:56471
Patrick Monettef507e982019-06-19 20:18:06472 auto entry = std::make_unique<NavigationEntryImpl>(
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28473 nullptr, // The site instance for tabs is sent on navigation
474 // (WebContents::GetSiteInstance).
Lukasz Anforowicz435bcb582019-07-12 20:50:06475 url_to_load, referrer, initiator_origin, base::string16(), transition,
Camille Lamy5193caa2018-10-12 11:59:42476 is_renderer_initiated, blob_url_loader_factory);
477 entry->SetVirtualURL(virtual_url);
478 entry->set_user_typed_url(virtual_url);
[email protected]71fde352011-12-29 03:29:56479 entry->set_update_virtual_url_with_url(reverse_on_redirect);
480 entry->set_extra_headers(extra_headers);
Patrick Monettef507e982019-06-19 20:18:06481 return entry;
[email protected]71fde352011-12-29 03:29:56482}
483
[email protected]cdcb1dee2012-01-04 00:46:20484// static
485void NavigationController::DisablePromptOnRepost() {
486 g_check_for_repost = false;
487}
488
[email protected]c5b88d82012-10-06 17:03:33489base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
490 base::Time t) {
491 // If |t| is between the water marks, we're in a run of duplicates
492 // or just getting out of it, so increase the high-water mark to get
493 // a time that probably hasn't been used before and return it.
494 if (low_water_mark_ <= t && t <= high_water_mark_) {
495 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
496 return high_water_mark_;
497 }
498
499 // Otherwise, we're clear of the last duplicate run, so reset the
500 // water marks.
501 low_water_mark_ = high_water_mark_ = t;
502 return t;
503}
504
[email protected]d202a7c2012-01-04 07:53:47505NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57506 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19507 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37508 : browser_context_(browser_context),
[email protected]ec6c05f2013-10-23 18:41:57509 delegate_(delegate),
[email protected]69e797f2013-04-30 01:10:22510 ssl_manager_(this),
Lei Zhang96031532019-10-10 19:05:47511 get_timestamp_callback_(base::BindRepeating(&base::Time::Now)) {
[email protected]3d7474ff2011-07-27 17:47:37512 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29513}
514
[email protected]d202a7c2012-01-04 07:53:47515NavigationControllerImpl::~NavigationControllerImpl() {
arthursonzogni69a6a1b2019-09-17 09:23:00516 // The NavigationControllerImpl might be called inside its delegate
517 // destructor. Calling it is not valid anymore.
518 delegate_ = nullptr;
519 DiscardNonCommittedEntries();
initial.commit09911bf2008-07-26 23:55:29520}
521
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57522WebContents* NavigationControllerImpl::GetWebContents() {
[email protected]ec6c05f2013-10-23 18:41:57523 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32524}
525
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57526BrowserContext* NavigationControllerImpl::GetBrowserContext() {
[email protected]a26023822011-12-29 00:23:55527 return browser_context_;
528}
529
[email protected]d202a7c2012-01-04 07:53:47530void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30531 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36532 RestoreType type,
dcheng9bfa5162016-04-09 01:00:57533 std::vector<std::unique_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57534 // Verify that this controller is unused and that the input is valid.
Lei Zhang96031532019-10-10 19:05:47535 DCHECK_EQ(0, GetEntryCount());
536 DCHECK(!GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57537 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14538 selected_navigation < static_cast<int>(entries->size()));
arthursonzogni5c4c202d2017-04-25 23:41:27539 DCHECK_EQ(-1, pending_entry_index_);
[email protected]ce3fa3c2009-04-20 19:55:57540
[email protected]ce3fa3c2009-04-20 19:55:57541 needs_reload_ = true;
Bo Liucdfa4b12018-11-06 00:21:44542 needs_reload_type_ = NeedsReloadType::kRestoreSession;
avif16f85a72015-11-13 18:25:03543 entries_.reserve(entries->size());
544 for (auto& entry : *entries)
dcheng36b6aec92015-12-26 06:16:36545 entries_.push_back(
546 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
avif16f85a72015-11-13 18:25:03547
548 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
549 // cleared out safely.
550 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57551
552 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36553 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57554}
555
toyoshim6142d96f2016-12-19 09:07:25556void NavigationControllerImpl::Reload(ReloadType reload_type,
557 bool check_for_repost) {
liaoyuke9168fba2017-03-10 19:20:28558 DCHECK_NE(ReloadType::NONE, reload_type);
559
[email protected]669e0ba2012-08-30 23:57:36560 if (transient_entry_index_ != -1) {
561 // If an interstitial is showing, treat a reload as a navigation to the
562 // transient entry's URL.
creis3da03872015-02-20 21:12:32563 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27564 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36565 return;
Aran Gilman37d11632019-10-08 23:07:15566 LoadURL(transient_entry->GetURL(), Referrer(), ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27567 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47568 return;
[email protected]669e0ba2012-08-30 23:57:36569 }
[email protected]cbab76d2008-10-13 22:42:47570
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28571 NavigationEntryImpl* entry = nullptr;
[email protected]59167c22013-06-03 18:07:32572 int current_index = -1;
573
Carlos IL42b416592019-10-07 23:10:36574 if (entry_replaced_by_post_commit_error_) {
575 // If there is an entry that was replaced by a currently active post-commit
576 // error navigation, this can't be the initial navigation.
577 DCHECK(!IsInitialNavigation());
578 // If the current entry is a post commit error, we reload the entry it
579 // replaced instead. We leave the error entry in place until a commit
580 // replaces it, but the pending entry points to the original entry in the
581 // meantime. Note that NavigateToExistingPendingEntry is able to handle the
582 // case that pending_entry_ != entries_[pending_entry_index_].
583 entry = entry_replaced_by_post_commit_error_.get();
584 current_index = GetCurrentEntryIndex();
585 } else if (IsInitialNavigation() && pending_entry_) {
586 // If we are reloading the initial navigation, just use the current
587 // pending entry. Otherwise look up the current entry.
[email protected]59167c22013-06-03 18:07:32588 entry = pending_entry_;
589 // The pending entry might be in entries_ (e.g., after a Clone), so we
590 // should also update the current_index.
591 current_index = pending_entry_index_;
592 } else {
arthursonzogni69a6a1b2019-09-17 09:23:00593 DiscardNonCommittedEntries();
[email protected]59167c22013-06-03 18:07:32594 current_index = GetCurrentEntryIndex();
595 if (current_index != -1) {
creis3da03872015-02-20 21:12:32596 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32597 }
[email protected]979a4bc2013-04-24 01:27:15598 }
[email protected]241db352013-04-22 18:04:05599
[email protected]59167c22013-06-03 18:07:32600 // If we are no where, then we can't reload. TODO(darin): We should add a
601 // CanReload method.
602 if (!entry)
603 return;
604
Takashi Toyoshimac7df3c22019-06-25 14:18:47605 // Set ReloadType for |entry|.
toyoshima63c2a62016-09-29 09:03:26606 entry->set_reload_type(reload_type);
607
Aran Gilman37d11632019-10-08 23:07:15608 if (g_check_for_repost && check_for_repost && entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30609 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07610 // they really want to do this. If they do, the dialog will call us back
611 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57612 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02613
[email protected]106a0812010-03-18 00:15:12614 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57615 delegate_->ActivateAndShowRepostFormWarningDialog();
Lei Zhang96031532019-10-10 19:05:47616 return;
initial.commit09911bf2008-07-26 23:55:29617 }
Lei Zhang96031532019-10-10 19:05:47618
619 if (!IsInitialNavigation())
620 DiscardNonCommittedEntries();
621
622 pending_entry_ = entry;
623 pending_entry_index_ = current_index;
624 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
625
626 NavigateToExistingPendingEntry(reload_type,
627 FrameTreeNode::kFrameTreeNodeInvalidId);
initial.commit09911bf2008-07-26 23:55:29628}
629
[email protected]d202a7c2012-01-04 07:53:47630void NavigationControllerImpl::CancelPendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48631 DCHECK(pending_reload_ != ReloadType::NONE);
632 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12633}
634
[email protected]d202a7c2012-01-04 07:53:47635void NavigationControllerImpl::ContinuePendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48636 if (pending_reload_ == ReloadType::NONE) {
[email protected]106a0812010-03-18 00:15:12637 NOTREACHED();
638 } else {
toyoshim6142d96f2016-12-19 09:07:25639 Reload(pending_reload_, false);
toyoshim0df1d3a2016-09-09 09:52:48640 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12641 }
642}
643
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57644bool NavigationControllerImpl::IsInitialNavigation() {
[email protected]27ba81c2012-08-21 17:04:09645 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11646}
647
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57648bool NavigationControllerImpl::IsInitialBlankNavigation() {
creis10a4ab72015-10-13 17:22:40649 // TODO(creis): Once we create a NavigationEntry for the initial blank page,
toyoshim0df1d3a2016-09-09 09:52:48650 // we'll need to check for entry count 1 and restore_type NONE (to exclude
651 // the cloned tab case).
creis10a4ab72015-10-13 17:22:40652 return IsInitialNavigation() && GetEntryCount() == 0;
653}
654
Aran Gilman37d11632019-10-08 23:07:15655NavigationEntryImpl* NavigationControllerImpl::GetEntryWithUniqueID(
656 int nav_entry_id) const {
avi254eff02015-07-01 08:27:58657 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03658 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58659}
660
avi25764702015-06-23 15:43:37661void NavigationControllerImpl::SetPendingEntry(
dcheng9bfa5162016-04-09 01:00:57662 std::unique_ptr<NavigationEntryImpl> entry) {
arthursonzogni69a6a1b2019-09-17 09:23:00663 DiscardNonCommittedEntries();
avi25764702015-06-23 15:43:37664 pending_entry_ = entry.release();
arthursonzogni5c4c202d2017-04-25 23:41:27665 DCHECK_EQ(-1, pending_entry_index_);
[email protected]8ff00d72012-10-23 19:12:21666 NotificationService::current()->Notify(
Aran Gilman37d11632019-10-08 23:07:15667 NOTIFICATION_NAV_ENTRY_PENDING, Source<NavigationController>(this),
avi25764702015-06-23 15:43:37668 Details<NavigationEntry>(pending_entry_));
[email protected]765b35502008-08-21 00:51:20669}
670
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57671NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() {
[email protected]cbab76d2008-10-13 22:42:47672 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03673 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:47674 if (pending_entry_)
675 return pending_entry_;
676 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20677}
678
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57679NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() {
[email protected]867e1f92011-08-30 19:01:19680 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03681 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32682 // The pending entry is safe to return for new (non-history), browser-
683 // initiated navigations. Most renderer-initiated navigations should not
684 // show the pending entry, to prevent URL spoof attacks.
685 //
686 // We make an exception for renderer-initiated navigations in new tabs, as
687 // long as no other page has tried to access the initial empty document in
688 // the new tab. If another page modifies this blank page, a URL spoof is
689 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32690 bool safe_to_show_pending =
691 pending_entry_ &&
692 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09693 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32694 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46695 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32696
697 // Also allow showing the pending entry for history navigations in a new tab,
698 // such as Ctrl+Back. In this case, no existing page is visible and no one
699 // can script the new tab before it commits.
Aran Gilman37d11632019-10-08 23:07:15700 if (!safe_to_show_pending && pending_entry_ && pending_entry_index_ != -1 &&
701 IsInitialNavigation() && !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32702 safe_to_show_pending = true;
703
704 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19705 return pending_entry_;
706 return GetLastCommittedEntry();
707}
708
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57709int NavigationControllerImpl::GetCurrentEntryIndex() {
[email protected]cbab76d2008-10-13 22:42:47710 if (transient_entry_index_ != -1)
711 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20712 if (pending_entry_index_ != -1)
713 return pending_entry_index_;
714 return last_committed_entry_index_;
715}
716
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57717NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() {
[email protected]765b35502008-08-21 00:51:20718 if (last_committed_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28719 return nullptr;
avif16f85a72015-11-13 18:25:03720 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20721}
722
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57723bool NavigationControllerImpl::CanViewSource() {
[email protected]ec6c05f2013-10-23 18:41:57724 const std::string& mime_type = delegate_->GetContentsMimeType();
Kinuko Yasuda74702f92017-07-31 03:27:53725 bool is_viewable_mime_type = blink::IsSupportedNonImageMimeType(mime_type) &&
726 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27727 NavigationEntry* visible_entry = GetVisibleEntry();
728 return visible_entry && !visible_entry->IsViewSourceMode() &&
Aran Gilman37d11632019-10-08 23:07:15729 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16730}
731
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57732int NavigationControllerImpl::GetLastCommittedEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:27733 // The last committed entry index must always be less than the number of
734 // entries. If there are no entries, it must be -1. However, there may be a
735 // transient entry while the last committed entry index is still -1.
736 DCHECK_LT(last_committed_entry_index_, GetEntryCount());
737 DCHECK(GetEntryCount() || last_committed_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:55738 return last_committed_entry_index_;
739}
740
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57741int NavigationControllerImpl::GetEntryCount() {
Piotr Kalinowski2cccb522019-07-09 12:10:51742 DCHECK_LE(entries_.size(),
743 max_entry_count() + (transient_entry_index_ == -1 ? 0 : 1));
[email protected]a26023822011-12-29 00:23:55744 return static_cast<int>(entries_.size());
745}
746
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57747NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(int index) {
avi25764702015-06-23 15:43:37748 if (index < 0 || index >= GetEntryCount())
749 return nullptr;
750
avif16f85a72015-11-13 18:25:03751 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25752}
753
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57754NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(int offset) {
avi057ce1492015-06-29 15:59:47755 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20756}
757
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57758int NavigationControllerImpl::GetIndexForOffset(int offset) {
[email protected]7bc2b032012-12-19 22:45:46759 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03760}
761
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57762bool NavigationControllerImpl::CanGoBack() {
Shivani Sharma298d12852019-01-22 20:04:03763 if (!base::FeatureList::IsEnabled(features::kHistoryManipulationIntervention))
764 return CanGoToOffset(-1);
765
766 for (int index = GetIndexForOffset(-1); index >= 0; index--) {
767 if (!GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
768 return true;
769 }
770 return false;
[email protected]765b35502008-08-21 00:51:20771}
772
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57773bool NavigationControllerImpl::CanGoForward() {
avi56e40c92015-08-27 00:11:22774 return CanGoToOffset(1);
[email protected]765b35502008-08-21 00:51:20775}
776
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57777bool NavigationControllerImpl::CanGoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03778 int index = GetIndexForOffset(offset);
779 return index >= 0 && index < GetEntryCount();
780}
781
[email protected]d202a7c2012-01-04 07:53:47782void NavigationControllerImpl::GoBack() {
shivanisha55201872018-12-13 04:29:06783 int target_index = GetIndexForOffset(-1);
784
785 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16786 // back button and move the target index past the skippable entries, if
787 // history intervention is enabled.
shivanisha55201872018-12-13 04:29:06788 int count_entries_skipped = 0;
Shivani Sharma298d12852019-01-22 20:04:03789 bool all_skippable_entries = true;
Aran Gilman37d11632019-10-08 23:07:15790 bool history_intervention_enabled =
791 base::FeatureList::IsEnabled(features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06792 for (int index = target_index; index >= 0; index--) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16793 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06794 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16795 } else {
796 if (history_intervention_enabled)
797 target_index = index;
Shivani Sharma298d12852019-01-22 20:04:03798 all_skippable_entries = false;
shivanisha55201872018-12-13 04:29:06799 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16800 }
shivanisha55201872018-12-13 04:29:06801 }
802 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.BackTargetSkipped",
803 count_entries_skipped, kMaxSessionHistoryEntries);
Shivani Sharma298d12852019-01-22 20:04:03804 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.AllBackTargetsSkippable",
805 all_skippable_entries);
806
807 // Do nothing if all entries are skippable. Normally this path would not
808 // happen as consumers would have already checked it in CanGoBack but a lot of
809 // tests do not do that.
810 if (history_intervention_enabled && all_skippable_entries)
811 return;
shivanisha55201872018-12-13 04:29:06812
shivanisha55201872018-12-13 04:29:06813 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20814}
815
[email protected]d202a7c2012-01-04 07:53:47816void NavigationControllerImpl::GoForward() {
shivanisha55201872018-12-13 04:29:06817 int target_index = GetIndexForOffset(1);
818
819 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16820 // forward button and move the target index past the skippable entries, if
821 // history intervention is enabled.
822 // Note that at least one entry (the last one) will be non-skippable since
823 // entries are marked skippable only when they add another entry because of
824 // redirect or pushState.
shivanisha55201872018-12-13 04:29:06825 int count_entries_skipped = 0;
Aran Gilman37d11632019-10-08 23:07:15826 bool history_intervention_enabled =
827 base::FeatureList::IsEnabled(features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06828 for (size_t index = target_index; index < entries_.size(); index++) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16829 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06830 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16831 } else {
832 if (history_intervention_enabled)
833 target_index = index;
shivanisha55201872018-12-13 04:29:06834 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16835 }
shivanisha55201872018-12-13 04:29:06836 }
837 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.ForwardTargetSkipped",
838 count_entries_skipped, kMaxSessionHistoryEntries);
839
shivanisha55201872018-12-13 04:29:06840 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20841}
842
[email protected]d202a7c2012-01-04 07:53:47843void NavigationControllerImpl::GoToIndex(int index) {
Dave Tapuska8bfd84c2019-03-26 20:47:16844 GoToIndex(index, FrameTreeNode::kFrameTreeNodeInvalidId);
845}
846
847void NavigationControllerImpl::GoToIndex(int index,
848 int sandbox_frame_tree_node_id) {
sunjian30574a62017-03-21 21:39:44849 TRACE_EVENT0("browser,navigation,benchmark",
850 "NavigationControllerImpl::GoToIndex");
[email protected]765b35502008-08-21 00:51:20851 if (index < 0 || index >= static_cast<int>(entries_.size())) {
852 NOTREACHED();
853 return;
854 }
855
[email protected]cbab76d2008-10-13 22:42:47856 if (transient_entry_index_ != -1) {
857 if (index == transient_entry_index_) {
858 // Nothing to do when navigating to the transient.
859 return;
860 }
861 if (index > transient_entry_index_) {
862 // Removing the transient is goint to shift all entries by 1.
863 index--;
864 }
865 }
866
867 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20868
arthursonzogni5c4c202d2017-04-25 23:41:27869 DCHECK_EQ(nullptr, pending_entry_);
870 DCHECK_EQ(-1, pending_entry_index_);
871 pending_entry_ = entries_[index].get();
[email protected]765b35502008-08-21 00:51:20872 pending_entry_index_ = index;
arthursonzogni5c4c202d2017-04-25 23:41:27873 pending_entry_->SetTransitionType(ui::PageTransitionFromInt(
874 pending_entry_->GetTransitionType() | ui::PAGE_TRANSITION_FORWARD_BACK));
Dave Tapuska8bfd84c2019-03-26 20:47:16875 NavigateToExistingPendingEntry(ReloadType::NONE, sandbox_frame_tree_node_id);
[email protected]765b35502008-08-21 00:51:20876}
877
[email protected]d202a7c2012-01-04 07:53:47878void NavigationControllerImpl::GoToOffset(int offset) {
toyoshim3af4d502016-03-30 12:38:12879 // Note: This is actually reached in unit tests.
[email protected]9ba14052012-06-22 23:50:03880 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20881 return;
882
[email protected]9ba14052012-06-22 23:50:03883 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20884}
885
[email protected]41374f12013-07-24 02:49:28886bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
Aran Gilman37d11632019-10-08 23:07:15887 if (index == last_committed_entry_index_ || index == pending_entry_index_)
[email protected]41374f12013-07-24 02:49:28888 return false;
[email protected]6a13a6c2011-12-20 21:47:12889
[email protected]43032342011-03-21 14:10:31890 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28891 return true;
[email protected]cbab76d2008-10-13 22:42:47892}
893
Michael Thiessen9b14d512019-09-23 21:19:47894void NavigationControllerImpl::PruneForwardEntries() {
895 DiscardNonCommittedEntries();
896 int remove_start_index = last_committed_entry_index_ + 1;
Lei Zhang96031532019-10-10 19:05:47897 int num_removed = static_cast<int>(entries_.size()) - remove_start_index;
Michael Thiessen9b14d512019-09-23 21:19:47898 if (num_removed <= 0)
899 return;
900 entries_.erase(entries_.begin() + remove_start_index, entries_.end());
901 NotifyPrunedEntries(this, remove_start_index /* start index */,
902 num_removed /* count */);
903}
904
Aran Gilman37d11632019-10-08 23:07:15905void NavigationControllerImpl::UpdateVirtualURLToURL(NavigationEntryImpl* entry,
906 const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32907 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31908 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51909 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
910 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32911 }
912}
913
Aran Gilman37d11632019-10-08 23:07:15914void NavigationControllerImpl::LoadURL(const GURL& url,
915 const Referrer& referrer,
916 ui::PageTransition transition,
917 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47918 LoadURLParams params(url);
919 params.referrer = referrer;
920 params.transition_type = transition;
921 params.extra_headers = extra_headers;
922 LoadURLWithParams(params);
923}
924
925void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
Lukasz Anforowicz435bcb582019-07-12 20:50:06926 if (params.is_renderer_initiated)
927 DCHECK(params.initiator_origin.has_value());
928
naskob8744d22014-08-28 17:07:43929 TRACE_EVENT1("browser,navigation",
Aran Gilman37d11632019-10-08 23:07:15930 "NavigationControllerImpl::LoadURLWithParams", "url",
931 params.url.possibly_invalid_spec());
Ian Vollick9dda0522019-09-11 02:24:29932 bool is_explicit_navigation =
933 GetContentClient()->browser()->IsExplicitNavigation(
934 params.transition_type);
935 if (HandleDebugURL(params.url, params.transition_type,
936 is_explicit_navigation)) {
[email protected]47752982014-07-29 08:01:43937 // If Telemetry is running, allow the URL load to proceed as if it's
938 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49939 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43940 cc::switches::kEnableGpuBenchmarking))
941 return;
942 }
[email protected]8bf1048012012-02-08 01:22:18943
[email protected]cf002332012-08-14 19:17:47944 // Checks based on params.load_type.
945 switch (params.load_type) {
946 case LOAD_TYPE_DEFAULT:
lukasza477a5a22016-06-16 18:28:43947 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:47948 break;
949 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26950 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47951 NOTREACHED() << "Data load must use data scheme.";
952 return;
953 }
954 break;
Lukasz Anforowiczbb0cfd5e2017-12-14 22:39:46955 }
[email protected]e47ae9472011-10-13 19:48:34956
[email protected]e47ae9472011-10-13 19:48:34957 // The user initiated a load, we don't need to reload anymore.
958 needs_reload_ = false;
959
clamy21718cc22018-06-13 13:34:24960 NavigateWithoutEntry(params);
[email protected]132e281a2012-07-31 18:32:44961}
962
Mohamed Abdelhalim833de902019-09-16 17:41:45963bool NavigationControllerImpl::PendingEntryMatchesRequest(
964 NavigationRequest* request) const {
creisb4dc9332016-03-14 21:39:19965 return pending_entry_ &&
Mohamed Abdelhalim833de902019-09-16 17:41:45966 pending_entry_->GetUniqueID() == request->nav_entry_id();
creisb4dc9332016-03-14 21:39:19967}
968
[email protected]d202a7c2012-01-04 07:53:47969bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32970 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22971 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
peary21b0f797b2016-09-28 17:28:33972 LoadCommittedDetails* details,
Eugene But712f03d2018-05-22 16:03:44973 bool is_same_document_navigation,
Shivani Sharmaffb32b82019-04-09 16:58:47974 bool previous_document_was_activated,
Camille Lamy10aafcd32018-12-05 15:48:13975 NavigationRequest* navigation_request) {
976 DCHECK(navigation_request);
[email protected]cd2e15742013-03-08 04:08:31977 is_initial_navigation_ = false;
978
[email protected]0e8db942008-09-24 21:21:48979 // Save the previous state before we clobber it.
aelias100c9192017-01-13 00:01:43980 bool overriding_user_agent_changed = false;
[email protected]0e8db942008-09-24 21:21:48981 if (GetLastCommittedEntry()) {
Carlos IL42b416592019-10-07 23:10:36982 if (entry_replaced_by_post_commit_error_) {
983 if (is_same_document_navigation) {
984 // Same document navigations should not be possible on error pages and
985 // would leave the controller in a weird state. Kill the renderer if
986 // that happens.
987 bad_message::ReceivedBadMessage(
988 rfh->GetProcess(), bad_message::NC_SAME_DOCUMENT_POST_COMMIT_ERROR);
989 }
990 // Any commit while a post-commit error page is showing should put the
991 // original entry back, replacing the error page's entry. This includes
992 // reloads, where the original entry was used as the pending entry and
993 // should now be at the correct index at commit time.
994 entries_[last_committed_entry_index_] =
995 std::move(entry_replaced_by_post_commit_error_);
996 }
[email protected]36fc0392011-12-25 03:59:51997 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55998 details->previous_entry_index = GetLastCommittedEntryIndex();
aelias100c9192017-01-13 00:01:43999 if (pending_entry_ &&
1000 pending_entry_->GetIsOverridingUserAgent() !=
1001 GetLastCommittedEntry()->GetIsOverridingUserAgent())
1002 overriding_user_agent_changed = true;
[email protected]0e8db942008-09-24 21:21:481003 } else {
1004 details->previous_url = GURL();
1005 details->previous_entry_index = -1;
1006 }
[email protected]ecd9d8702008-08-28 22:10:171007
Alexander Timind2f2e4f22019-04-02 20:04:531008 // TODO(altimin, crbug.com/933147): Remove this logic after we are done with
1009 // implementing back-forward cache.
1010
1011 // Create a new metrics object or reuse the previous one depending on whether
1012 // it's a main frame navigation or not.
1013 scoped_refptr<BackForwardCacheMetrics> back_forward_cache_metrics =
1014 BackForwardCacheMetrics::CreateOrReuseBackForwardCacheMetrics(
1015 GetLastCommittedEntry(), !rfh->GetParent(),
1016 params.document_sequence_number);
1017 // Notify the last active entry that we have navigated away.
1018 if (!rfh->GetParent() && !is_same_document_navigation) {
1019 if (NavigationEntryImpl* navigation_entry = GetLastCommittedEntry()) {
1020 if (auto* metrics = navigation_entry->back_forward_cache_metrics()) {
1021 metrics->MainFrameDidNavigateAwayFromDocument();
1022 }
1023 }
1024 }
1025
fdegans9caf66a2015-07-30 21:10:421026 // If there is a pending entry at this point, it should have a SiteInstance,
1027 // except for restored entries.
jam48cea9082017-02-15 06:13:291028 bool was_restored = false;
toyoshim0df1d3a2016-09-09 09:52:481029 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance() ||
1030 pending_entry_->restore_type() != RestoreType::NONE);
1031 if (pending_entry_ && pending_entry_->restore_type() != RestoreType::NONE) {
1032 pending_entry_->set_restore_type(RestoreType::NONE);
jam48cea9082017-02-15 06:13:291033 was_restored = true;
toyoshim0df1d3a2016-09-09 09:52:481034 }
[email protected]e9ba4472008-09-14 15:42:431035
Nasko Oskovaee2f862018-06-15 00:05:521036 // If this is a navigation to a matching pending_entry_ and the SiteInstance
1037 // has changed, this must be treated as a new navigation with replacement.
1038 // Set the replacement bit here and ClassifyNavigation will identify this
1039 // case and return NEW_PAGE.
1040 if (!rfh->GetParent() && pending_entry_ &&
1041 pending_entry_->GetUniqueID() == params.nav_entry_id &&
1042 pending_entry_->site_instance() &&
1043 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
1044 DCHECK_NE(-1, pending_entry_index_);
1045 // TODO(nasko,creis): Instead of setting this value here, set
1046 // should_replace_current_entry on the parameters we send to the
1047 // renderer process as part of CommitNavigation. The renderer should
1048 // in turn send it back here as part of |params| and it can be just
1049 // enforced and renderer process terminated on mismatch.
1050 details->did_replace_entry = true;
1051 } else {
1052 // The renderer tells us whether the navigation replaces the current entry.
1053 details->did_replace_entry = params.should_replace_current_entry;
1054 }
[email protected]bcd904482012-02-01 01:54:221055
[email protected]e9ba4472008-09-14 15:42:431056 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:431057 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:201058
eugenebutee08663a2017-04-27 17:43:121059 // is_same_document must be computed before the entry gets committed.
Eugene But712f03d2018-05-22 16:03:441060 details->is_same_document = is_same_document_navigation;
[email protected]b9d4dfdc2013-08-08 00:25:121061
Peter Boströmd7592132019-01-30 04:50:311062 // Make sure we do not discard the pending entry for a different ongoing
1063 // navigation when a same document commit comes in unexpectedly from the
1064 // renderer. Limit this to a very narrow set of conditions to avoid risks to
1065 // other navigation types. See https://crbug.com/900036.
1066 // TODO(crbug.com/926009): Handle history.pushState() as well.
Peter Boströmd7592132019-01-30 04:50:311067 bool keep_pending_entry = is_same_document_navigation &&
1068 details->type == NAVIGATION_TYPE_EXISTING_PAGE &&
1069 pending_entry_ &&
Mohamed Abdelhalim833de902019-09-16 17:41:451070 !PendingEntryMatchesRequest(navigation_request);
Peter Boströmd7592132019-01-30 04:50:311071
[email protected]0e8db942008-09-24 21:21:481072 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:211073 case NAVIGATION_TYPE_NEW_PAGE:
shivanisha41f04c52018-12-12 15:52:051074 RendererDidNavigateToNewPage(
1075 rfh, params, details->is_same_document, details->did_replace_entry,
Mohamed Abdelhalim833de902019-09-16 17:41:451076 previous_document_was_activated, navigation_request);
[email protected]e9ba4472008-09-14 15:42:431077 break;
[email protected]8ff00d72012-10-23 19:12:211078 case NAVIGATION_TYPE_EXISTING_PAGE:
eugenebutee08663a2017-04-27 17:43:121079 RendererDidNavigateToExistingPage(rfh, params, details->is_same_document,
Mohamed Abdelhalim833de902019-09-16 17:41:451080 was_restored, navigation_request,
Peter Boströmd7592132019-01-30 04:50:311081 keep_pending_entry);
[email protected]e9ba4472008-09-14 15:42:431082 break;
[email protected]8ff00d72012-10-23 19:12:211083 case NAVIGATION_TYPE_SAME_PAGE:
Joe DeBlasio531e3d92018-11-06 06:26:121084 RendererDidNavigateToSamePage(rfh, params, details->is_same_document,
Mohamed Abdelhalim833de902019-09-16 17:41:451085 navigation_request);
[email protected]e9ba4472008-09-14 15:42:431086 break;
[email protected]8ff00d72012-10-23 19:12:211087 case NAVIGATION_TYPE_NEW_SUBFRAME:
Shivani Sharmaffb32b82019-04-09 16:58:471088 RendererDidNavigateNewSubframe(
1089 rfh, params, details->is_same_document, details->did_replace_entry,
Mohamed Abdelhalim833de902019-09-16 17:41:451090 previous_document_was_activated, navigation_request);
[email protected]e9ba4472008-09-14 15:42:431091 break;
[email protected]8ff00d72012-10-23 19:12:211092 case NAVIGATION_TYPE_AUTO_SUBFRAME:
Mohamed Abdelhalim833de902019-09-16 17:41:451093 if (!RendererDidNavigateAutoSubframe(rfh, params, navigation_request)) {
creisce0ef3572017-01-26 17:53:081094 // We don't send a notification about auto-subframe PageState during
1095 // UpdateStateForFrame, since it looks like nothing has changed. Send
1096 // it here at commit time instead.
1097 NotifyEntryChanged(GetLastCommittedEntry());
[email protected]e9ba4472008-09-14 15:42:431098 return false;
creis59d5a47cb2016-08-24 23:57:191099 }
[email protected]e9ba4472008-09-14 15:42:431100 break;
[email protected]8ff00d72012-10-23 19:12:211101 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:491102 // If a pending navigation was in progress, this canceled it. We should
1103 // discard it and make sure it is removed from the URL bar. After that,
1104 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:431105 // the caller that nothing has happened.
arthursonzogni69a6a1b2019-09-17 09:23:001106 if (pending_entry_)
[email protected]20d1c992011-04-12 21:17:491107 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431108 return false;
Aran Gilman37d11632019-10-08 23:07:151109 case NAVIGATION_TYPE_UNKNOWN:
[email protected]e9ba4472008-09-14 15:42:431110 NOTREACHED();
Aran Gilman37d11632019-10-08 23:07:151111 break;
[email protected]765b35502008-08-21 00:51:201112 }
1113
[email protected]688aa65c62012-09-28 04:32:221114 // At this point, we know that the navigation has just completed, so
1115 // record the time.
1116 //
1117 // TODO(akalin): Use "sane time" as described in
Adam Langley4463fb832018-01-28 22:42:261118 // https://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:331119 base::Time timestamp =
1120 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
1121 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:221122 << timestamp.ToInternalValue();
1123
Peter Boströmd7592132019-01-30 04:50:311124 // If we aren't keeping the pending entry, there shouldn't be one at this
1125 // point. Clear it again in case any error cases above forgot to do so.
1126 // TODO(pbos): Consider a CHECK here that verifies that the pending entry has
1127 // been cleared instead of protecting against it.
1128 if (!keep_pending_entry)
arthursonzogni69a6a1b2019-09-17 09:23:001129 DiscardNonCommittedEntries();
[email protected]f233e4232013-02-23 00:55:141130
[email protected]e9ba4472008-09-14 15:42:431131 // All committed entries should have nonempty content state so WebKit doesn't
1132 // get confused when we go back to them (see the function for details).
creis0cade2e2017-02-28 06:37:471133 DCHECK(params.page_state.IsValid()) << "Shouldn't see an empty PageState.";
creis3da03872015-02-20 21:12:321134 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:221135 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:441136 active_entry->SetHttpStatusCode(params.http_status_code);
Alexander Timind2f2e4f22019-04-02 20:04:531137 // TODO(altimin, crbug.com/933147): Remove this logic after we are done with
1138 // implementing back-forward cache.
1139 if (!active_entry->back_forward_cache_metrics()) {
1140 active_entry->set_back_forward_cache_metrics(
1141 std::move(back_forward_cache_metrics));
1142 }
1143 active_entry->back_forward_cache_metrics()->DidCommitNavigation(
Hajime Hoshi4b07b9c2019-10-02 06:03:461144 navigation_request);
naskoc7533512016-05-06 17:01:121145
Charles Reisc0507202017-09-21 00:40:021146 // Grab the corresponding FrameNavigationEntry for a few updates, but only if
1147 // the SiteInstance matches (to avoid updating the wrong entry by mistake).
1148 // A mismatch can occur if the renderer lies or due to a unique name collision
1149 // after a race with an OOPIF (see https://crbug.com/616820).
naskoc7533512016-05-06 17:01:121150 FrameNavigationEntry* frame_entry =
1151 active_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisc0507202017-09-21 00:40:021152 if (frame_entry && frame_entry->site_instance() != rfh->GetSiteInstance())
1153 frame_entry = nullptr;
Charles Reisf44482022017-10-13 21:15:031154 // Make sure we've updated the PageState in one of the helper methods.
creisce0ef3572017-01-26 17:53:081155 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
1156 if (frame_entry) {
Charles Reisf44482022017-10-13 21:15:031157 DCHECK(params.page_state == frame_entry->page_state());
creis4e2ecb72015-06-20 00:46:301158 }
[email protected]132e281a2012-07-31 18:32:441159
[email protected]97d8f0d2013-10-29 16:49:211160 // Once it is committed, we no longer need to track several pieces of state on
1161 // the entry.
naskoc7533512016-05-06 17:01:121162 active_entry->ResetForCommit(frame_entry);
[email protected]60d6cca2013-04-30 08:47:131163
shivanisha41f04c52018-12-12 15:52:051164 // It is possible that we are re-using this entry and it was marked to be
1165 // skipped on back/forward UI in its previous navigation. Reset it here so
1166 // that it is set afresh, if applicable, for this navigation.
1167 active_entry->set_should_skip_on_back_forward_ui(false);
1168
[email protected]49bd30e62011-03-22 20:12:591169 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:221170 // TODO(creis): This check won't pass for subframes until we create entries
1171 // for subframe navigations.
avi39c1edd32015-06-04 20:06:001172 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:421173 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:591174
[email protected]b26de072013-02-23 02:33:441175 // Remember the bindings the renderer process has at this point, so that
1176 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:321177 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:441178
[email protected]e9ba4472008-09-14 15:42:431179 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:001180 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:001181 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:311182 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:531183
[email protected]93f230e02011-06-01 14:40:001184 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:291185
John Abd-El-Malek380d3c5922017-09-08 00:20:311186 if (active_entry->GetURL().SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451187 navigation_request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek969cdd94e2017-07-10 22:18:161188 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus",
1189 !!active_entry->GetSSL().certificate);
1190 }
1191
aelias100c9192017-01-13 00:01:431192 if (overriding_user_agent_changed)
1193 delegate_->UpdateOverridingUserAgent();
1194
creis03b48002015-11-04 00:54:561195 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
1196 // one knows the latest NavigationEntry it is showing (whether it has
1197 // committed anything in this navigation or not). This allows things like
1198 // state and title updates from RenderFrames to apply to the latest relevant
1199 // NavigationEntry.
dcheng57e39e22016-01-21 00:25:381200 int nav_entry_id = active_entry->GetUniqueID();
1201 for (FrameTreeNode* node : delegate_->GetFrameTree()->Nodes())
1202 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
[email protected]e9ba4472008-09-14 15:42:431203 return true;
initial.commit09911bf2008-07-26 23:55:291204}
1205
[email protected]8ff00d72012-10-23 19:12:211206NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:321207 RenderFrameHostImpl* rfh,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571208 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi7c6f35e2015-05-08 17:52:381209 if (params.did_create_new_entry) {
1210 // A new entry. We may or may not have a pending entry for the page, and
1211 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:001212 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381213 return NAVIGATION_TYPE_NEW_PAGE;
1214 }
1215
1216 // When this is a new subframe navigation, we should have a committed page
1217 // in which it's a subframe. This may not be the case when an iframe is
1218 // navigated on a popup navigated to about:blank (the iframe would be
1219 // written into the popup by script on the main page). For these cases,
1220 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:231221 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:381222 return NAVIGATION_TYPE_NAV_IGNORE;
1223
1224 // Valid subframe navigation.
1225 return NAVIGATION_TYPE_NEW_SUBFRAME;
1226 }
1227
1228 // We only clear the session history when navigating to a new page.
1229 DCHECK(!params.history_list_was_cleared);
1230
avi39c1edd32015-06-04 20:06:001231 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381232 // All manual subframes would be did_create_new_entry and handled above, so
1233 // we know this is auto.
Lei Zhang96031532019-10-10 19:05:471234 if (GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:381235 return NAVIGATION_TYPE_AUTO_SUBFRAME;
Lei Zhang96031532019-10-10 19:05:471236
1237 // We ignore subframes created in non-committed pages; we'd appreciate if
1238 // people stopped doing that.
1239 return NAVIGATION_TYPE_NAV_IGNORE;
avi7c6f35e2015-05-08 17:52:381240 }
1241
1242 if (params.nav_entry_id == 0) {
1243 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1244 // create a new page.
1245
1246 // Just like above in the did_create_new_entry case, it's possible to
1247 // scribble onto an uncommitted page. Again, there isn't any navigation
1248 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231249 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231250 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381251 return NAVIGATION_TYPE_NAV_IGNORE;
1252
Charles Reis1378111f2017-11-08 21:44:061253 // This is history.replaceState() or history.reload().
Nasko Oskov332593c2018-08-16 17:21:341254 // TODO(nasko): With error page isolation, reloading an existing session
1255 // history entry can result in change of SiteInstance. Check for such a case
1256 // here and classify it as NEW_PAGE, as such navigations should be treated
1257 // as new with replacement.
avi259dc792015-07-07 04:42:361258 return NAVIGATION_TYPE_EXISTING_PAGE;
avi7c6f35e2015-05-08 17:52:381259 }
1260
Nasko Oskovaee2f862018-06-15 00:05:521261 if (pending_entry_ && pending_entry_->GetUniqueID() == params.nav_entry_id) {
1262 // If the SiteInstance of the |pending_entry_| does not match the
1263 // SiteInstance that got committed, treat this as a new navigation with
1264 // replacement. This can happen if back/forward/reload encounters a server
1265 // redirect to a different site or an isolated error page gets successfully
1266 // reloaded into a different SiteInstance.
1267 if (pending_entry_->site_instance() &&
1268 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
creis77c9aa32015-09-25 19:59:421269 return NAVIGATION_TYPE_NEW_PAGE;
Nasko Oskovaee2f862018-06-15 00:05:521270 }
creis77c9aa32015-09-25 19:59:421271
Nasko Oskovaee2f862018-06-15 00:05:521272 if (pending_entry_index_ == -1) {
1273 // In this case, we have a pending entry for a load of a new URL but Blink
1274 // didn't do a new navigation (params.did_create_new_entry). First check
1275 // to make sure Blink didn't treat a new cross-process navigation as
1276 // inert, and thus set params.did_create_new_entry to false. In that case,
1277 // we must treat it as NEW since the SiteInstance doesn't match the entry.
1278 if (!GetLastCommittedEntry() ||
1279 GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance()) {
1280 return NAVIGATION_TYPE_NEW_PAGE;
1281 }
1282
1283 // Otherwise, this happens when you press enter in the URL bar to reload.
1284 // We will create a pending entry, but Blink will convert it to a reload
1285 // since it's the same page and not create a new entry for it (the user
1286 // doesn't want to have a new back/forward entry when they do this).
1287 // Therefore we want to just ignore the pending entry and go back to where
1288 // we were (the "existing entry").
1289 // TODO(creis,avi): Eliminate SAME_PAGE in https://crbug.com/536102.
1290 return NAVIGATION_TYPE_SAME_PAGE;
1291 }
avi7c6f35e2015-05-08 17:52:381292 }
1293
creis26d22632017-04-21 20:23:561294 // Everything below here is assumed to be an existing entry, but if there is
1295 // no last committed entry, we must consider it a new navigation instead.
1296 if (!GetLastCommittedEntry())
1297 return NAVIGATION_TYPE_NEW_PAGE;
1298
avi7c6f35e2015-05-08 17:52:381299 if (params.intended_as_new_entry) {
1300 // This was intended to be a navigation to a new entry but the pending entry
1301 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1302 // may not have a pending entry.
1303 return NAVIGATION_TYPE_EXISTING_PAGE;
1304 }
1305
1306 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1307 params.nav_entry_id == failed_pending_entry_id_) {
1308 // If the renderer was going to a new pending entry that got cleared because
1309 // of an error, this is the case of the user trying to retry a failed load
1310 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1311 // have a pending entry.
1312 return NAVIGATION_TYPE_EXISTING_PAGE;
1313 }
1314
1315 // Now we know that the notification is for an existing page. Find that entry.
1316 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1317 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441318 // The renderer has committed a navigation to an entry that no longer
1319 // exists. Because the renderer is showing that page, resurrect that entry.
1320 return NAVIGATION_TYPE_NEW_PAGE;
avi7c6f35e2015-05-08 17:52:381321 }
1322
avi7c6f35e2015-05-08 17:52:381323 // Since we weeded out "new" navigations above, we know this is an existing
1324 // (back/forward) navigation.
1325 return NAVIGATION_TYPE_EXISTING_PAGE;
1326}
1327
[email protected]d202a7c2012-01-04 07:53:471328void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321329 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221330 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361331 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441332 bool replace_entry,
Shivani Sharmaffb32b82019-04-09 16:58:471333 bool previous_document_was_activated,
Mohamed Abdelhalim833de902019-09-16 17:41:451334 NavigationRequest* request) {
dcheng9bfa5162016-04-09 01:00:571335 std::unique_ptr<NavigationEntryImpl> new_entry;
creisf49dfc92016-07-26 17:05:181336 bool update_virtual_url = false;
1337
Lukasz Anforowicz435bcb582019-07-12 20:50:061338 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451339 request->common_params().initiator_origin;
Lukasz Anforowicz435bcb582019-07-12 20:50:061340
creisf49dfc92016-07-26 17:05:181341 // First check if this is an in-page navigation. If so, clone the current
1342 // entry instead of looking at the pending entry, because the pending entry
1343 // does not have any subframe history items.
eugenebut604866f2017-05-10 21:35:361344 if (is_same_document && GetLastCommittedEntry()) {
Patrick Monette50e8bd82019-06-13 22:40:451345 auto frame_entry = base::MakeRefCounted<FrameNavigationEntry>(
Charles Reisd2a509f2017-09-27 23:47:481346 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisf49dfc92016-07-26 17:05:181347 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321348 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
Lukasz Anforowicz435bcb582019-07-12 20:50:061349 params.referrer, initiator_origin, params.redirects, params.page_state,
1350 params.method, params.post_id, nullptr /* blob_url_loader_factory */);
Charles Reisf44482022017-10-13 21:15:031351
creisf49dfc92016-07-26 17:05:181352 new_entry = GetLastCommittedEntry()->CloneAndReplace(
1353 frame_entry, true, rfh->frame_tree_node(),
1354 delegate_->GetFrameTree()->root());
jama78746e2017-02-22 17:21:571355 if (new_entry->GetURL().GetOrigin() != params.url.GetOrigin()) {
1356 // TODO(jam): we had one report of this with a URL that was redirecting to
1357 // only tildes. Until we understand that better, don't copy the cert in
1358 // this case.
1359 new_entry->GetSSL() = SSLStatus();
John Abd-El-Malek9cd697e2017-07-12 21:53:141360
John Abd-El-Malek380d3c5922017-09-08 00:20:311361 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451362 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141363 UMA_HISTOGRAM_BOOLEAN(
1364 "Navigation.SecureSchemeHasSSLStatus.NewPageInPageOriginMismatch",
1365 !!new_entry->GetSSL().certificate);
1366 }
jama78746e2017-02-22 17:21:571367 }
creisf49dfc92016-07-26 17:05:181368
Patrick Monette50e8bd82019-06-13 22:40:451369 // It is expected that |frame_entry| is now owned by |new_entry|. This means
1370 // that |frame_entry| should now have a reference count of exactly 2: one
1371 // due to the local variable |frame_entry|, and another due to |new_entry|
1372 // also retaining one. This should never fail, because it's the main frame.
1373 CHECK(!frame_entry->HasOneRef() && frame_entry->HasAtLeastOneRef());
creisf49dfc92016-07-26 17:05:181374
1375 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malek9cd697e2017-07-12 21:53:141376
John Abd-El-Malek380d3c5922017-09-08 00:20:311377 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451378 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141379 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.NewPageInPage",
1380 !!new_entry->GetSSL().certificate);
1381 }
creisf49dfc92016-07-26 17:05:181382 }
1383
[email protected]6dd86ab2013-02-27 00:30:341384 // Only make a copy of the pending entry if it is appropriate for the new page
csharrison9a9142bc42016-03-01 17:24:041385 // that was just loaded. Verify this by checking if the entry corresponds
Mohamed Abdelhalim833de902019-09-16 17:41:451386 // to the given NavigationRequest. Additionally, coarsely check that:
csharrison9a9142bc42016-03-01 17:24:041387 // 1. The SiteInstance hasn't been assigned to something else.
1388 // 2. The pending entry was intended as a new entry, rather than being a
1389 // history navigation that was interrupted by an unrelated,
1390 // renderer-initiated navigation.
1391 // TODO(csharrison): Investigate whether we can remove some of the coarser
1392 // checks.
Mohamed Abdelhalim833de902019-09-16 17:41:451393 if (!new_entry && PendingEntryMatchesRequest(request) &&
1394 pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341395 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431396 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351397 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431398
[email protected]f1eb87a2011-05-06 17:49:411399 update_virtual_url = new_entry->update_virtual_url_with_url();
Camille Lamy62b826012019-02-26 09:15:471400 new_entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451401 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141402
John Abd-El-Malek380d3c5922017-09-08 00:20:311403 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451404 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141405 UMA_HISTOGRAM_BOOLEAN(
1406 "Navigation.SecureSchemeHasSSLStatus.NewPagePendingEntryMatches",
1407 !!new_entry->GetSSL().certificate);
1408 }
creisf49dfc92016-07-26 17:05:181409 }
1410
1411 // For non-in-page commits with no matching pending entry, create a new entry.
1412 if (!new_entry) {
Lukasz Anforowicz435bcb582019-07-12 20:50:061413 new_entry = std::make_unique<NavigationEntryImpl>(
1414 rfh->GetSiteInstance(), params.url, params.referrer, initiator_origin,
1415 base::string16(), // title
Mohamed Abdelhalim833de902019-09-16 17:41:451416 params.transition, request->IsRendererInitiated(),
Lukasz Anforowicz435bcb582019-07-12 20:50:061417 nullptr); // blob_url_loader_factory
[email protected]f8f93eb2012-09-25 03:06:241418
1419 // Find out whether the new entry needs to update its virtual URL on URL
1420 // change and set up the entry accordingly. This is needed to correctly
1421 // update the virtual URL when replaceState is called after a pushState.
1422 GURL url = params.url;
1423 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431424 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1425 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241426 new_entry->set_update_virtual_url_with_url(needs_update);
1427
[email protected]f1eb87a2011-05-06 17:49:411428 // When navigating to a new page, give the browser URL handler a chance to
1429 // update the virtual URL based on the new URL. For example, this is needed
1430 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1431 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241432 update_virtual_url = needs_update;
Camille Lamy62b826012019-02-26 09:15:471433 new_entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451434 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141435
John Abd-El-Malek380d3c5922017-09-08 00:20:311436 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451437 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141438 UMA_HISTOGRAM_BOOLEAN(
1439 "Navigation.SecureSchemeHasSSLStatus.NewPageNoMatchingEntry",
1440 !!new_entry->GetSSL().certificate);
1441 }
[email protected]e9ba4472008-09-14 15:42:431442 }
1443
wjmaclean7431bb22015-02-19 14:53:431444 // Don't use the page type from the pending entry. Some interstitial page
1445 // may have set the type to interstitial. Once we commit, however, the page
1446 // type must always be normal or error.
1447 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1448 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041449 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411450 if (update_virtual_url)
avi25764702015-06-23 15:43:371451 UpdateVirtualURLToURL(new_entry.get(), params.url);
[email protected]022af742011-12-28 18:37:251452 new_entry->SetReferrer(params.referrer);
[email protected]022af742011-12-28 18:37:251453 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331454 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431455 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]7c16976c2012-08-04 02:38:231456 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221457 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431458
Tsuyoshi Horoa6bb6442019-10-04 07:39:421459 if (request->bundled_exchanges_navigation_info()) {
1460 new_entry->set_bundled_exchanges_navigation_info(
1461 request->bundled_exchanges_navigation_info()->Clone());
1462 }
1463
creis8b5cd4c2015-06-19 00:11:081464 // Update the FrameNavigationEntry for new main frame commits.
1465 FrameNavigationEntry* frame_entry =
1466 new_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisd2a509f2017-09-27 23:47:481467 frame_entry->set_frame_unique_name(rfh->frame_tree_node()->unique_name());
creis8b5cd4c2015-06-19 00:11:081468 frame_entry->set_item_sequence_number(params.item_sequence_number);
1469 frame_entry->set_document_sequence_number(params.document_sequence_number);
Charles Reisf44482022017-10-13 21:15:031470 frame_entry->set_redirect_chain(params.redirects);
1471 frame_entry->SetPageState(params.page_state);
clamy432acb22016-04-15 19:41:431472 frame_entry->set_method(params.method);
1473 frame_entry->set_post_id(params.post_id);
Nasko Oskov03912102019-01-11 00:21:321474 if (!params.url_is_unreachable)
1475 frame_entry->set_committed_origin(params.origin);
creis8b5cd4c2015-06-19 00:11:081476
eugenebut604866f2017-05-10 21:35:361477 // history.pushState() is classified as a navigation to a new page, but sets
1478 // is_same_document to true. In this case, we already have the title and
creisf49dfc92016-07-26 17:05:181479 // favicon available, so set them immediately.
eugenebut604866f2017-05-10 21:35:361480 if (is_same_document && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331481 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191482 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1483 }
[email protected]ff64b3e2014-05-31 04:07:331484
[email protected]60d6cca2013-04-30 08:47:131485 DCHECK(!params.history_list_was_cleared || !replace_entry);
1486 // The browser requested to clear the session history when it initiated the
1487 // navigation. Now we know that the renderer has updated its state accordingly
1488 // and it is safe to also clear the browser side history.
1489 if (params.history_list_was_cleared) {
arthursonzogni69a6a1b2019-09-17 09:23:001490 DiscardNonCommittedEntries();
[email protected]60d6cca2013-04-30 08:47:131491 entries_.clear();
1492 last_committed_entry_index_ = -1;
1493 }
1494
Nasko Oskovaee2f862018-06-15 00:05:521495 // If this is a new navigation with replacement and there is a
1496 // pending_entry_ which matches the navigation reported by the renderer
1497 // process, then it should be the one replaced, so update the
1498 // last_committed_entry_index_ to use it.
1499 if (replace_entry && pending_entry_index_ != -1 &&
1500 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1501 last_committed_entry_index_ = pending_entry_index_;
1502 }
1503
Shivani Sharmaffb32b82019-04-09 16:58:471504 SetShouldSkipOnBackForwardUIIfNeeded(rfh, replace_entry,
1505 previous_document_was_activated,
Mohamed Abdelhalim833de902019-09-16 17:41:451506 request->IsRendererInitiated());
shivanisha41f04c52018-12-12 15:52:051507
Carlos IL42b416592019-10-07 23:10:361508 InsertOrReplaceEntry(std::move(new_entry), replace_entry,
1509 !request->post_commit_error_page_html().empty());
[email protected]e9ba4472008-09-14 15:42:431510}
1511
[email protected]d202a7c2012-01-04 07:53:471512void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321513 RenderFrameHostImpl* rfh,
jam0576b132016-09-07 05:13:101514 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361515 bool is_same_document,
jam48cea9082017-02-15 06:13:291516 bool was_restored,
Mohamed Abdelhalim833de902019-09-16 17:41:451517 NavigationRequest* request,
Peter Boströmd7592132019-01-30 04:50:311518 bool keep_pending_entry) {
creis26d22632017-04-21 20:23:561519 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1520 << "that a last committed entry exists.";
1521
[email protected]e9ba4472008-09-14 15:42:431522 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001523 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431524
avicbdc4c12015-07-01 16:07:111525 NavigationEntryImpl* entry;
1526 if (params.intended_as_new_entry) {
1527 // This was intended as a new entry but the pending entry was lost in the
1528 // meanwhile and no new page was created. We are stuck at the last committed
1529 // entry.
1530 entry = GetLastCommittedEntry();
eugenebut604866f2017-05-10 21:35:361531 // If this is a same document navigation, then there's no SSLStatus in the
Mohamed Abdelhalim833de902019-09-16 17:41:451532 // NavigationRequest so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361533 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:471534 entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451535 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141536
John Abd-El-Malek380d3c5922017-09-08 00:20:311537 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451538 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141539 bool has_cert = !!entry->GetSSL().certificate;
1540 if (is_same_document) {
1541 UMA_HISTOGRAM_BOOLEAN(
1542 "Navigation.SecureSchemeHasSSLStatus."
1543 "ExistingPageSameDocumentIntendedAsNew",
1544 has_cert);
1545 } else {
1546 UMA_HISTOGRAM_BOOLEAN(
1547 "Navigation.SecureSchemeHasSSLStatus."
1548 "ExistingPageDifferentDocumentIntendedAsNew",
1549 has_cert);
1550 }
1551 }
avicbdc4c12015-07-01 16:07:111552 } else if (params.nav_entry_id) {
1553 // This is a browser-initiated navigation (back/forward/reload).
1554 entry = GetEntryWithUniqueID(params.nav_entry_id);
jamd208b90ce2016-09-01 16:58:161555
eugenebut604866f2017-05-10 21:35:361556 if (is_same_document) {
Mohamed Abdelhalim833de902019-09-16 17:41:451557 // There's no SSLStatus in the NavigationRequest for same document
eugenebut604866f2017-05-10 21:35:361558 // navigations, so normally we leave |entry|'s SSLStatus as is. However if
1559 // this was a restored same document navigation entry, then it won't have
1560 // an SSLStatus. So we need to copy over the SSLStatus from the entry that
1561 // navigated it.
jam48cea9082017-02-15 06:13:291562 NavigationEntryImpl* last_entry = GetLastCommittedEntry();
1563 if (entry->GetURL().GetOrigin() == last_entry->GetURL().GetOrigin() &&
1564 last_entry->GetSSL().initialized && !entry->GetSSL().initialized &&
1565 was_restored) {
1566 entry->GetSSL() = last_entry->GetSSL();
1567 }
1568 } else {
Mohamed Abdelhalim833de902019-09-16 17:41:451569 // In rapid back/forward navigations |request| sometimes won't have a cert
1570 // (http://crbug.com/727892). So we use the request's cert if it exists,
John Abd-El-Malek3f247082017-12-07 19:02:191571 // otherwise we only reuse the existing cert if the origins match.
Mohamed Abdelhalim833de902019-09-16 17:41:451572 if (request->GetSSLInfo().has_value() &&
1573 request->GetSSLInfo()->is_valid()) {
1574 entry->GetSSL() = SSLStatus(*(request->GetSSLInfo()));
1575 } else if (entry->GetURL().GetOrigin() != request->GetURL().GetOrigin()) {
John Abd-El-Malek3f247082017-12-07 19:02:191576 entry->GetSSL() = SSLStatus();
1577 }
jam48cea9082017-02-15 06:13:291578 }
John Abd-El-Malek9cd697e2017-07-12 21:53:141579
John Abd-El-Malek380d3c5922017-09-08 00:20:311580 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451581 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141582 bool has_cert = !!entry->GetSSL().certificate;
1583 if (is_same_document && was_restored) {
1584 UMA_HISTOGRAM_BOOLEAN(
1585 "Navigation.SecureSchemeHasSSLStatus."
1586 "ExistingPageSameDocumentRestoredBrowserInitiated",
1587 has_cert);
1588 } else if (is_same_document && !was_restored) {
1589 UMA_HISTOGRAM_BOOLEAN(
1590 "Navigation.SecureSchemeHasSSLStatus."
1591 "ExistingPageSameDocumentBrowserInitiated",
1592 has_cert);
1593 } else if (!is_same_document && was_restored) {
1594 UMA_HISTOGRAM_BOOLEAN(
1595 "Navigation.SecureSchemeHasSSLStatus."
1596 "ExistingPageRestoredBrowserInitiated",
1597 has_cert);
1598 } else {
1599 UMA_HISTOGRAM_BOOLEAN(
1600 "Navigation.SecureSchemeHasSSLStatus.ExistingPageBrowserInitiated",
1601 has_cert);
1602 }
1603 }
avicbdc4c12015-07-01 16:07:111604 } else {
1605 // This is renderer-initiated. The only kinds of renderer-initated
Charles Reis1378111f2017-11-08 21:44:061606 // navigations that are EXISTING_PAGE are reloads and history.replaceState,
avicbdc4c12015-07-01 16:07:111607 // which land us at the last committed entry.
1608 entry = GetLastCommittedEntry();
jam0576b132016-09-07 05:13:101609
Mikel Astizba9cf2fd2017-12-17 10:38:101610 // TODO(crbug.com/751023): Set page transition type to PAGE_TRANSITION_LINK
1611 // to avoid misleading interpretations (e.g. URLs paired with
1612 // PAGE_TRANSITION_TYPED that haven't actually been typed) as well as to fix
1613 // the inconsistency with what we report to observers (PAGE_TRANSITION_LINK
1614 // | PAGE_TRANSITION_CLIENT_REDIRECT).
1615
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571616 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(entry, entry);
Mikel Astizba9cf2fd2017-12-17 10:38:101617
eugenebut604866f2017-05-10 21:35:361618 // If this is a same document navigation, then there's no SSLStatus in the
Mohamed Abdelhalim833de902019-09-16 17:41:451619 // NavigationRequest so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361620 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:471621 entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451622 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141623
John Abd-El-Malek380d3c5922017-09-08 00:20:311624 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
Mohamed Abdelhalim833de902019-09-16 17:41:451625 request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141626 bool has_cert = !!entry->GetSSL().certificate;
1627 if (is_same_document) {
1628 UMA_HISTOGRAM_BOOLEAN(
1629 "Navigation.SecureSchemeHasSSLStatus."
1630 "ExistingPageSameDocumentRendererInitiated",
1631 has_cert);
1632 } else {
1633 UMA_HISTOGRAM_BOOLEAN(
1634 "Navigation.SecureSchemeHasSSLStatus."
1635 "ExistingPageDifferentDocumentRendererInitiated",
1636 has_cert);
1637 }
1638 }
avicbdc4c12015-07-01 16:07:111639 }
1640 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:431641
[email protected]5ccd4dc2012-10-24 02:28:141642 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431643 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1644 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041645 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201646 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321647 if (entry->update_virtual_url_with_url())
1648 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141649
jam015ba062017-01-06 21:17:001650 // The site instance will normally be the same except
1651 // 1) session restore, when no site instance will be assigned or
1652 // 2) redirect, when the site instance is reset.
Lei Zhang96031532019-10-10 19:05:471653 DCHECK(!entry->site_instance() || !entry->GetRedirectChain().empty() ||
naskoaf182192016-08-11 02:12:011654 entry->site_instance() == rfh->GetSiteInstance());
clamy432acb22016-04-15 19:41:431655
naskoaf182192016-08-11 02:12:011656 // Update the existing FrameNavigationEntry to ensure all of its members
1657 // reflect the parameters coming from the renderer process.
Lukasz Anforowicz435bcb582019-07-12 20:50:061658 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451659 request->common_params().initiator_origin;
naskoaf182192016-08-11 02:12:011660 entry->AddOrUpdateFrameEntry(
1661 rfh->frame_tree_node(), params.item_sequence_number,
1662 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321663 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
Lukasz Anforowicz435bcb582019-07-12 20:50:061664 initiator_origin, params.redirects, params.page_state, params.method,
1665 params.post_id, nullptr /* blob_url_loader_factory */);
creis22a7b4c2016-04-28 07:20:301666
[email protected]5ccd4dc2012-10-24 02:28:141667 // The redirected to page should not inherit the favicon from the previous
1668 // page.
eugenebut604866f2017-05-10 21:35:361669 if (ui::PageTransitionIsRedirect(params.transition) && !is_same_document)
[email protected]91a4ff82012-10-29 20:29:481670 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141671
Peter Boströmd7592132019-01-30 04:50:311672 // We should also usually discard the pending entry if it corresponds to a
1673 // different navigation, since that one is now likely canceled. In rare
1674 // cases, we leave the pending entry for another navigation in place when we
1675 // know it is still ongoing, to avoid a flicker in the omnibox (see
1676 // https://crbug.com/900036).
[email protected]e9ba4472008-09-14 15:42:431677 //
1678 // Note that we need to use the "internal" version since we don't want to
1679 // actually change any other state, just kill the pointer.
Peter Boströmd7592132019-01-30 04:50:311680 if (!keep_pending_entry)
arthursonzogni69a6a1b2019-09-17 09:23:001681 DiscardNonCommittedEntries();
[email protected]40bcc302009-03-02 20:50:391682
[email protected]80858db52009-10-15 00:35:181683 // If a transient entry was removed, the indices might have changed, so we
1684 // have to query the entry index again.
avicbdc4c12015-07-01 16:07:111685 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:431686}
1687
[email protected]d202a7c2012-01-04 07:53:471688void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321689 RenderFrameHostImpl* rfh,
clamy3bf35e3c2016-11-10 15:59:441690 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
Joe DeBlasio531e3d92018-11-06 06:26:121691 bool is_same_document,
Mohamed Abdelhalim833de902019-09-16 17:41:451692 NavigationRequest* request) {
aviaf5660962015-06-30 15:12:291693 // This classification says that we have a pending entry that's the same as
1694 // the last committed entry. This entry is guaranteed to exist by
[email protected]4c27ba82008-09-24 16:49:091695 // ClassifyNavigation. All we need to do is update the existing entry.
aviaf5660962015-06-30 15:12:291696 NavigationEntryImpl* existing_entry = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431697
creis77c9aa32015-09-25 19:59:421698 // If we classified this correctly, the SiteInstance should not have changed.
1699 CHECK_EQ(existing_entry->site_instance(), rfh->GetSiteInstance());
1700
[email protected]e9ba4472008-09-14 15:42:431701 // We assign the entry's unique ID to be that of the new one. Since this is
1702 // always the result of a user action, we want to dismiss infobars, etc. like
1703 // a regular user-initiated navigation.
creis77c9aa32015-09-25 19:59:421704 DCHECK_EQ(pending_entry_->GetUniqueID(), params.nav_entry_id);
[email protected]36fc0392011-12-25 03:59:511705 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431706
[email protected]a0e69262009-06-03 19:08:481707 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431708 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1709 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321710 if (existing_entry->update_virtual_url_with_url())
1711 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041712 existing_entry->SetURL(params.url);
[email protected]a0e69262009-06-03 19:08:481713
jamd208b90ce2016-09-01 16:58:161714 // If a user presses enter in the omnibox and the server redirects, the URL
Joe DeBlasio531e3d92018-11-06 06:26:121715 // might change (but it's still considered a SAME_PAGE navigation), so we must
1716 // update the SSL status if we perform a network request (e.g. a
1717 // non-same-document navigation). Requests that don't result in a network
1718 // request do not have a valid SSL status, but since the document didn't
1719 // change, the previous SSLStatus is still valid.
1720 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:471721 existing_entry->GetSSL() =
Mohamed Abdelhalim833de902019-09-16 17:41:451722 SSLStatus(request->GetSSLInfo().value_or(net::SSLInfo()));
jamd208b90ce2016-09-01 16:58:161723
John Abd-El-Malek509dfd62017-09-05 21:34:491724 if (existing_entry->GetURL().SchemeIs(url::kHttpsScheme) &&
Mohamed Abdelhalim833de902019-09-16 17:41:451725 !rfh->GetParent() && request->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141726 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.SamePage",
1727 !!existing_entry->GetSSL().certificate);
1728 }
1729
jianlid26f6c92016-10-12 21:03:171730 // The extra headers may have changed due to reloading with different headers.
1731 existing_entry->set_extra_headers(pending_entry_->extra_headers());
1732
naskoaf182192016-08-11 02:12:011733 // Update the existing FrameNavigationEntry to ensure all of its members
1734 // reflect the parameters coming from the renderer process.
Lukasz Anforowicz435bcb582019-07-12 20:50:061735 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451736 request->common_params().initiator_origin;
naskoaf182192016-08-11 02:12:011737 existing_entry->AddOrUpdateFrameEntry(
1738 rfh->frame_tree_node(), params.item_sequence_number,
1739 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321740 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
Lukasz Anforowicz435bcb582019-07-12 20:50:061741 initiator_origin, params.redirects, params.page_state, params.method,
1742 params.post_id, nullptr /* blob_url_loader_factory */);
[email protected]b77686522013-12-11 20:34:191743
[email protected]cbab76d2008-10-13 22:42:471744 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431745}
1746
[email protected]d202a7c2012-01-04 07:53:471747void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321748 RenderFrameHostImpl* rfh,
creis1857908a2016-02-25 20:31:521749 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361750 bool is_same_document,
Shivani Sharmaffb32b82019-04-09 16:58:471751 bool replace_entry,
1752 bool previous_document_was_activated,
Mohamed Abdelhalim833de902019-09-16 17:41:451753 NavigationRequest* request) {
avi25f5f9e2015-07-17 20:08:261754 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1755 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
[email protected]09b8f82f2009-06-16 20:22:111756
[email protected]e9ba4472008-09-14 15:42:431757 // Manual subframe navigations just get the current entry cloned so the user
1758 // can go back or forward to it. The actual subframe information will be
1759 // stored in the page state for each of those entries. This happens out of
1760 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091761 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1762 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381763
Mikel Astizba9cf2fd2017-12-17 10:38:101764 // The DCHECK below documents the fact that we don't know of any situation
1765 // where |replace_entry| is true for subframe navigations. This simplifies
1766 // reasoning about the replacement struct for subframes (see
1767 // CopyReplacedNavigationEntryDataIfPreviouslyEmpty()).
1768 DCHECK(!replace_entry);
1769
Patrick Monette50e8bd82019-06-13 22:40:451770 // This FrameNavigationEntry might not end up being used in the
1771 // CloneAndReplace() call below, if a spot can't be found for it in the tree.
Lukasz Anforowicz435bcb582019-07-12 20:50:061772 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451773 request->common_params().initiator_origin;
Patrick Monette50e8bd82019-06-13 22:40:451774 auto frame_entry = base::MakeRefCounted<FrameNavigationEntry>(
Charles Reisd2a509f2017-09-27 23:47:481775 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisce0ef3572017-01-26 17:53:081776 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321777 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
Lukasz Anforowicz435bcb582019-07-12 20:50:061778 params.referrer, initiator_origin, params.redirects, params.page_state,
1779 params.method, params.post_id, nullptr /* blob_url_loader_factory */);
Charles Reisf44482022017-10-13 21:15:031780
creisce0ef3572017-01-26 17:53:081781 std::unique_ptr<NavigationEntryImpl> new_entry =
1782 GetLastCommittedEntry()->CloneAndReplace(
Patrick Monette50e8bd82019-06-13 22:40:451783 std::move(frame_entry), is_same_document, rfh->frame_tree_node(),
creisce0ef3572017-01-26 17:53:081784 delegate_->GetFrameTree()->root());
creise062d542015-08-25 02:01:551785
Shivani Sharmaffb32b82019-04-09 16:58:471786 SetShouldSkipOnBackForwardUIIfNeeded(rfh, replace_entry,
1787 previous_document_was_activated,
Mohamed Abdelhalim833de902019-09-16 17:41:451788 request->IsRendererInitiated());
Shivani Sharmaffb32b82019-04-09 16:58:471789
creisce0ef3572017-01-26 17:53:081790 // TODO(creis): Update this to add the frame_entry if we can't find the one
Patrick Monette50e8bd82019-06-13 22:40:451791 // to replace, which can happen due to a unique name change. See
1792 // https://crbug.com/607205. For now, the call to CloneAndReplace() will
1793 // delete the |frame_entry| when the function exits if it doesn't get used.
creis96fc55082015-06-13 06:42:381794
Carlos IL42b416592019-10-07 23:10:361795 InsertOrReplaceEntry(std::move(new_entry), replace_entry, false);
[email protected]e9ba4472008-09-14 15:42:431796}
1797
[email protected]d202a7c2012-01-04 07:53:471798bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321799 RenderFrameHostImpl* rfh,
Lukasz Anforowicz435bcb582019-07-12 20:50:061800 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
Mohamed Abdelhalim833de902019-09-16 17:41:451801 NavigationRequest* request) {
avi9f07a0c2015-02-18 22:51:291802 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1803 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1804
[email protected]e9ba4472008-09-14 15:42:431805 // We're guaranteed to have a previously committed entry, and we now need to
1806 // handle navigation inside of a subframe in it without creating a new entry.
1807 DCHECK(GetLastCommittedEntry());
1808
creis913c63ce2016-07-16 19:52:521809 // For newly created subframes, we don't need to send a commit notification.
1810 // This is only necessary for history navigations in subframes.
1811 bool send_commit_notification = false;
1812
1813 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1814 // a history navigation. Update the last committed index accordingly.
1815 // If we don't recognize the |nav_entry_id|, it might be a recently pruned
1816 // entry. We'll handle it below.
avi98405c22015-05-21 20:47:061817 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511818 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
creis3cdc3b02015-05-29 23:00:471819 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061820 // Make sure that a subframe commit isn't changing the main frame's
1821 // origin. Otherwise the renderer process may be confused, leading to a
1822 // URL spoof. We can't check the path since that may change
1823 // (https://crbug.com/373041).
creis37988b92016-06-10 18:03:571824 // TODO(creis): For now, restrict this check to HTTP(S) origins, because
1825 // about:blank, file, and unique origins are more subtle to get right.
Eugene But9fb98d12018-05-22 18:28:331826 // We'll abstract out the relevant checks from IsURLSameDocumentNavigation
1827 // and share them here. See https://crbug.com/618104.
creis37988b92016-06-10 18:03:571828 const GURL& dest_top_url = GetEntryAtIndex(entry_index)->GetURL();
1829 const GURL& current_top_url = GetLastCommittedEntry()->GetURL();
1830 if (current_top_url.SchemeIsHTTPOrHTTPS() &&
1831 dest_top_url.SchemeIsHTTPOrHTTPS() &&
1832 current_top_url.GetOrigin() != dest_top_url.GetOrigin()) {
creisfb6eeb62016-05-10 19:01:511833 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1834 bad_message::NC_AUTO_SUBFRAME);
avi98405c22015-05-21 20:47:061835 }
creis3cdc3b02015-05-29 23:00:471836
creis913c63ce2016-07-16 19:52:521837 // We only need to discard the pending entry in this history navigation
1838 // case. For newly created subframes, there was no pending entry.
avi98405c22015-05-21 20:47:061839 last_committed_entry_index_ = entry_index;
arthursonzogni69a6a1b2019-09-17 09:23:001840 DiscardNonCommittedEntries();
creis913c63ce2016-07-16 19:52:521841
1842 // History navigations should send a commit notification.
1843 send_commit_notification = true;
avi98405c22015-05-21 20:47:061844 }
[email protected]e9ba4472008-09-14 15:42:431845 }
[email protected]f233e4232013-02-23 00:55:141846
creisce0ef3572017-01-26 17:53:081847 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1848 // it may be a "history auto" case where we update an existing one.
1849 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
Lukasz Anforowicz435bcb582019-07-12 20:50:061850 const base::Optional<url::Origin>& initiator_origin =
Mohamed Abdelhalim833de902019-09-16 17:41:451851 request->common_params().initiator_origin;
creisce0ef3572017-01-26 17:53:081852 last_committed->AddOrUpdateFrameEntry(
1853 rfh->frame_tree_node(), params.item_sequence_number,
1854 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321855 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
Lukasz Anforowicz435bcb582019-07-12 20:50:061856 initiator_origin, params.redirects, params.page_state, params.method,
1857 params.post_id, nullptr /* blob_url_loader_factory */);
creis625a0c7d2015-03-24 23:17:121858
creis913c63ce2016-07-16 19:52:521859 return send_commit_notification;
[email protected]e9ba4472008-09-14 15:42:431860}
1861
[email protected]d202a7c2012-01-04 07:53:471862int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231863 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:031864 for (size_t i = 0; i < entries_.size(); ++i) {
1865 if (entries_[i].get() == entry)
1866 return i;
1867 }
1868 return -1;
[email protected]765b35502008-08-21 00:51:201869}
1870
Eugene But7cc259d2017-10-09 23:52:491871// There are two general cases where a navigation is "same-document":
avidb7d1d22015-06-08 21:21:501872// 1. A fragment navigation, in which the url is kept the same except for the
1873// reference fragment.
1874// 2. A history API navigation (pushState and replaceState). This case is
Eugene But7cc259d2017-10-09 23:52:491875// always same-document, but the urls are not guaranteed to match excluding
1876// the fragment. The relevant spec allows pushState/replaceState to any URL
1877// on the same origin.
avidb7d1d22015-06-08 21:21:501878// However, due to reloads, even identical urls are *not* guaranteed to be
Eugene But7cc259d2017-10-09 23:52:491879// same-document navigations, we have to trust the renderer almost entirely.
avidb7d1d22015-06-08 21:21:501880// The one thing we do know is that cross-origin navigations will *never* be
Eugene But7cc259d2017-10-09 23:52:491881// same-document. Therefore, trust the renderer if the URLs are on the same
1882// origin, and assume the renderer is malicious if a cross-origin navigation
1883// claims to be same-document.
creisf164daa2016-06-07 00:17:051884//
1885// TODO(creis): Clean up and simplify the about:blank and origin checks below,
1886// which are likely redundant with each other. Be careful about data URLs vs
1887// about:blank, both of which are unique origins and thus not considered equal.
Eugene But7cc259d2017-10-09 23:52:491888bool NavigationControllerImpl::IsURLSameDocumentNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121889 const GURL& url,
creisf164daa2016-06-07 00:17:051890 const url::Origin& origin,
Eugene But7cc259d2017-10-09 23:52:491891 bool renderer_says_same_document,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571892 RenderFrameHost* rfh) {
creis225a7432016-06-03 22:56:271893 RenderFrameHostImpl* rfhi = static_cast<RenderFrameHostImpl*>(rfh);
avidb7d1d22015-06-08 21:21:501894 GURL last_committed_url;
1895 if (rfh->GetParent()) {
creis225a7432016-06-03 22:56:271896 // Use the FrameTreeNode's current_url and not rfh->GetLastCommittedURL(),
1897 // which might be empty in a new RenderFrameHost after a process swap.
1898 // Here, we care about the last committed URL in the FrameTreeNode,
1899 // regardless of which process it is in.
1900 last_committed_url = rfhi->frame_tree_node()->current_url();
avidb7d1d22015-06-08 21:21:501901 } else {
1902 NavigationEntry* last_committed = GetLastCommittedEntry();
1903 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1904 // might Blink say that a navigation is in-page yet there be no last-
1905 // committed entry?
1906 if (!last_committed)
1907 return false;
1908 last_committed_url = last_committed->GetURL();
1909 }
1910
1911 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
creis225a7432016-06-03 22:56:271912 const url::Origin& committed_origin =
1913 rfhi->frame_tree_node()->current_origin();
avidb7d1d22015-06-08 21:21:501914 bool is_same_origin = last_committed_url.is_empty() ||
1915 // TODO(japhet): We should only permit navigations
1916 // originating from about:blank to be in-page if the
1917 // about:blank is the first document that frame loaded.
1918 // We don't have sufficient information to identify
1919 // that case at the moment, so always allow about:blank
1920 // for now.
csharrisona3bd0b32016-10-19 18:40:481921 last_committed_url == url::kAboutBlankURL ||
avidb7d1d22015-06-08 21:21:501922 last_committed_url.GetOrigin() == url.GetOrigin() ||
creisf164daa2016-06-07 00:17:051923 committed_origin == origin ||
avidb7d1d22015-06-08 21:21:501924 !prefs.web_security_enabled ||
1925 (prefs.allow_universal_access_from_file_urls &&
creisdc004e02015-11-20 21:28:471926 committed_origin.scheme() == url::kFileScheme);
Eugene But7cc259d2017-10-09 23:52:491927 if (!is_same_origin && renderer_says_same_document) {
avidb7d1d22015-06-08 21:21:501928 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1929 bad_message::NC_IN_PAGE_NAVIGATION);
1930 }
Eugene But7cc259d2017-10-09 23:52:491931 return is_same_origin && renderer_says_same_document;
[email protected]e9ba4472008-09-14 15:42:431932}
1933
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571934void NavigationControllerImpl::CopyStateFrom(NavigationController* temp,
Francois Dorayeaace782017-06-21 16:37:241935 bool needs_reload) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571936 NavigationControllerImpl* source =
1937 static_cast<NavigationControllerImpl*>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571938 // Verify that we look new.
Lei Zhang96031532019-10-10 19:05:471939 DCHECK_EQ(0, GetEntryCount());
1940 DCHECK(!GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571941
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571942 if (source->GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571943 return; // Nothing new to do.
1944
Francois Dorayeaace782017-06-21 16:37:241945 needs_reload_ = needs_reload;
Bo Liucdfa4b12018-11-06 00:21:441946 needs_reload_type_ = NeedsReloadType::kCopyStateFrom;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571947 InsertEntriesFrom(source, source->GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571948
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571949 for (auto it = source->session_storage_namespace_map_.begin();
1950 it != source->session_storage_namespace_map_.end(); ++it) {
[email protected]fdac6ade2013-07-20 01:06:301951 SessionStorageNamespaceImpl* source_namespace =
1952 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1953 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1954 }
[email protected]4e6419c2010-01-15 04:50:341955
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571956 FinishRestore(source->last_committed_entry_index_,
toyoshim0df1d3a2016-09-09 09:52:481957 RestoreType::CURRENT_SESSION);
[email protected]ce3fa3c2009-04-20 19:55:571958}
1959
Aran Gilman37d11632019-10-08 23:07:151960void NavigationControllerImpl::CopyStateFromAndPrune(NavigationController* temp,
1961 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161962 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011963 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161964
[email protected]d202a7c2012-01-04 07:53:471965 NavigationControllerImpl* source =
1966 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251967
avi2b177592014-12-10 02:08:021968 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011969 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251970
[email protected]474f8512013-05-31 22:31:161971 // We now have one entry, possibly with a new pending entry. Ensure that
1972 // adding the entries from source won't put us over the limit.
1973 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571974 if (!replace_entry)
Shivani Sharmad8c8d652019-02-13 17:27:571975 source->PruneOldestSkippableEntryIfFull();
[email protected]944822b2012-03-02 20:57:251976
[email protected]47e020a2010-10-15 14:43:371977 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021978 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161979 // since it has not committed in source.
1980 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251981 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551982 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251983 else
1984 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571985
1986 // Ignore the source's current entry if merging with replacement.
1987 // TODO(davidben): This should preserve entries forward of the current
1988 // too. http://crbug.com/317872
1989 if (replace_entry && max_source_index > 0)
1990 max_source_index--;
1991
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571992 InsertEntriesFrom(source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251993
1994 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551995 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141996
avi2b177592014-12-10 02:08:021997 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1998 GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:251999}
2000
[email protected]79368982013-11-13 01:11:012001bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:162002 // If there is no last committed entry, we cannot prune. Even if there is a
2003 // pending entry, it may not commit, leaving this WebContents blank, despite
2004 // possibly giving it new entries via CopyStateFromAndPrune.
2005 if (last_committed_entry_index_ == -1)
2006 return false;
[email protected]9350602e2013-02-26 23:27:442007
[email protected]474f8512013-05-31 22:31:162008 // We cannot prune if there is a pending entry at an existing entry index.
2009 // It may not commit, so we have to keep the last committed entry, and thus
2010 // there is no sensible place to keep the pending entry. It is ok to have
2011 // a new pending entry, which can optionally commit as a new navigation.
2012 if (pending_entry_index_ != -1)
2013 return false;
2014
2015 // We should not prune if we are currently showing a transient entry.
2016 if (transient_entry_index_ != -1)
2017 return false;
2018
2019 return true;
2020}
2021
[email protected]79368982013-11-13 01:11:012022void NavigationControllerImpl::PruneAllButLastCommitted() {
2023 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:162024
avi2b177592014-12-10 02:08:022025 DCHECK_EQ(0, last_committed_entry_index_);
2026 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:442027
avi2b177592014-12-10 02:08:022028 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
2029 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:442030}
2031
[email protected]79368982013-11-13 01:11:012032void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:162033 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:012034 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:262035
[email protected]474f8512013-05-31 22:31:162036 // Erase all entries but the last committed entry. There may still be a
2037 // new pending entry after this.
2038 entries_.erase(entries_.begin(),
2039 entries_.begin() + last_committed_entry_index_);
2040 entries_.erase(entries_.begin() + 1, entries_.end());
2041 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:262042}
2043
Christian Dullweber1af31e62018-02-22 11:49:482044void NavigationControllerImpl::DeleteNavigationEntries(
2045 const DeletionPredicate& deletionPredicate) {
2046 // It is up to callers to check the invariants before calling this.
2047 CHECK(CanPruneAllButLastCommitted());
2048 std::vector<int> delete_indices;
2049 for (size_t i = 0; i < entries_.size(); i++) {
2050 if (i != static_cast<size_t>(last_committed_entry_index_) &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572051 deletionPredicate.Run(entries_[i].get())) {
Christian Dullweber1af31e62018-02-22 11:49:482052 delete_indices.push_back(i);
2053 }
2054 }
2055 if (delete_indices.empty())
2056 return;
2057
2058 if (delete_indices.size() == GetEntryCount() - 1U) {
2059 PruneAllButLastCommitted();
2060 } else {
2061 // Do the deletion in reverse to preserve indices.
2062 for (auto it = delete_indices.rbegin(); it != delete_indices.rend(); ++it) {
2063 RemoveEntryAtIndex(*it);
2064 }
2065 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
2066 GetEntryCount());
2067 }
2068 delegate()->NotifyNavigationEntriesDeleted();
2069}
2070
Shivani Sharma883f5f32019-02-12 18:20:012071bool NavigationControllerImpl::IsEntryMarkedToBeSkipped(int index) {
2072 auto* entry = GetEntryAtIndex(index);
2073 return entry && entry->should_skip_on_back_forward_ui();
2074}
2075
Carlos Caballero35ce710c2019-09-19 10:59:452076BackForwardCacheImpl& NavigationControllerImpl::GetBackForwardCache() {
2077 return back_forward_cache_;
2078}
2079
clamy987a3752018-05-03 17:36:262080void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
2081 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
2082 // progress, since this will cause a use-after-free. (We only allow this
2083 // when the tab is being destroyed for shutdown, since it won't return to
2084 // NavigateToEntry in that case.) http://crbug.com/347742.
2085 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
2086
2087 if (was_failure && pending_entry_) {
2088 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
2089 } else {
2090 failed_pending_entry_id_ = 0;
2091 }
2092
2093 if (pending_entry_) {
2094 if (pending_entry_index_ == -1)
2095 delete pending_entry_;
2096 pending_entry_index_ = -1;
2097 pending_entry_ = nullptr;
2098 }
arthursonzogni66f711c2019-10-08 14:40:362099
2100 // Ensure any refs to the current pending entry are ignored if they get
2101 // deleted, by clearing the set of known refs. All future pending entries will
2102 // only be affected by new refs.
2103 pending_entry_refs_.clear();
clamy987a3752018-05-03 17:36:262104}
2105
2106void NavigationControllerImpl::SetPendingNavigationSSLError(bool error) {
2107 if (pending_entry_)
2108 pending_entry_->set_ssl_error(error);
2109}
2110
Camille Lamy5193caa2018-10-12 11:59:422111#if defined(OS_ANDROID)
2112// static
2113bool NavigationControllerImpl::ValidateDataURLAsString(
2114 const scoped_refptr<const base::RefCountedString>& data_url_as_string) {
2115 if (!data_url_as_string)
2116 return false;
2117
2118 if (data_url_as_string->size() > kMaxLengthOfDataURLString)
2119 return false;
2120
2121 // The number of characters that is enough for validating a data: URI.
2122 // From the GURL's POV, the only important part here is scheme, it doesn't
2123 // check the actual content. Thus we can take only the prefix of the url, to
2124 // avoid unneeded copying of a potentially long string.
2125 const size_t kDataUriPrefixMaxLen = 64;
2126 GURL data_url(
2127 std::string(data_url_as_string->front_as<char>(),
2128 std::min(data_url_as_string->size(), kDataUriPrefixMaxLen)));
2129 if (!data_url.is_valid() || !data_url.SchemeIs(url::kDataScheme))
2130 return false;
2131
2132 return true;
2133}
2134#endif
2135
Shivani Sharma194877032019-03-07 17:52:472136void NavigationControllerImpl::NotifyUserActivation() {
2137 // When a user activation occurs, ensure that all adjacent entries for the
2138 // same document clear their skippable bit, so that the history manipulation
2139 // intervention does not apply to them.
Shivani Sharmaffb32b82019-04-09 16:58:472140 // TODO(crbug.com/949279) in case it becomes necessary for resetting based on
2141 // which frame created an entry and which frame has the user gesture.
Shivani Sharma194877032019-03-07 17:52:472142 auto* last_committed_entry = GetLastCommittedEntry();
2143 if (!last_committed_entry)
2144 return;
Shivani Sharma194877032019-03-07 17:52:472145
2146 // |last_committed_entry| should not be skippable because it is the current
2147 // entry and in case the skippable bit was earlier set then on re-navigation
2148 // it would have been reset.
2149 DCHECK(!last_committed_entry->should_skip_on_back_forward_ui());
Shivani Sharmac4cc8922019-04-18 03:11:172150 SetSkippableForSameDocumentEntries(GetLastCommittedEntryIndex(), false);
Shivani Sharma194877032019-03-07 17:52:472151}
2152
clamy987a3752018-05-03 17:36:262153bool NavigationControllerImpl::StartHistoryNavigationInNewSubframe(
2154 RenderFrameHostImpl* render_frame_host,
Julie Jeongeun Kimed2e5ba72019-09-12 10:14:172155 mojo::PendingAssociatedRemote<mojom::NavigationClient>* navigation_client) {
clamy987a3752018-05-03 17:36:262156 NavigationEntryImpl* entry =
2157 GetEntryWithUniqueID(render_frame_host->nav_entry_id());
2158 if (!entry)
2159 return false;
2160
2161 FrameNavigationEntry* frame_entry =
2162 entry->GetFrameEntry(render_frame_host->frame_tree_node());
2163 if (!frame_entry)
2164 return false;
2165
Camille Lamy5193caa2018-10-12 11:59:422166 std::unique_ptr<NavigationRequest> request = CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572167 render_frame_host->frame_tree_node(), entry, frame_entry,
clamyea99ea12018-05-28 13:54:232168 ReloadType::NONE, false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422169 true /* is_history_navigation_in_new_child */);
clamyea99ea12018-05-28 13:54:232170
2171 if (!request)
2172 return false;
2173
Arthur Hemery06173ce2019-05-29 12:11:412174 request->SetNavigationClient(std::move(*navigation_client),
2175 render_frame_host->GetSiteInstance()->GetId());
2176
clamyea99ea12018-05-28 13:54:232177 render_frame_host->frame_tree_node()->navigator()->Navigate(
2178 std::move(request), ReloadType::NONE, RestoreType::NONE);
2179
2180 return true;
clamy987a3752018-05-03 17:36:262181}
2182
Dave Tapuska8bfd84c2019-03-26 20:47:162183void NavigationControllerImpl::GoToOffsetInSandboxedFrame(
2184 int offset,
2185 int sandbox_frame_tree_node_id) {
2186 if (!CanGoToOffset(offset))
2187 return;
2188 GoToIndex(GetIndexForOffset(offset), sandbox_frame_tree_node_id);
2189}
2190
clamy987a3752018-05-03 17:36:262191void NavigationControllerImpl::NavigateFromFrameProxy(
2192 RenderFrameHostImpl* render_frame_host,
2193 const GURL& url,
Lukasz Anforowicz63f3b9432019-05-30 05:42:582194 const base::Optional<url::Origin>& initiator_origin,
clamy987a3752018-05-03 17:36:262195 bool is_renderer_initiated,
2196 SiteInstance* source_site_instance,
2197 const Referrer& referrer,
2198 ui::PageTransition page_transition,
2199 bool should_replace_current_entry,
Charlie Harrison8c113a32019-01-07 16:08:292200 NavigationDownloadPolicy download_policy,
clamy987a3752018-05-03 17:36:262201 const std::string& method,
2202 scoped_refptr<network::ResourceRequestBody> post_body,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092203 const std::string& extra_headers,
2204 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
Lukasz Anforowicz63f3b9432019-05-30 05:42:582205 if (is_renderer_initiated)
2206 DCHECK(initiator_origin.has_value());
2207
clamy987a3752018-05-03 17:36:262208 FrameTreeNode* node = render_frame_host->frame_tree_node();
Nasko Oskov18006bc2018-12-06 02:53:582209
clamy987a3752018-05-03 17:36:262210 // Create a NavigationEntry for the transfer, without making it the pending
2211 // entry. Subframe transfers should have a clone of the last committed entry
2212 // with a FrameNavigationEntry for the target frame. Main frame transfers
2213 // should have a new NavigationEntry.
2214 // TODO(creis): Make this unnecessary by creating (and validating) the params
2215 // directly, passing them to the destination RenderFrameHost. See
2216 // https://crbug.com/536906.
2217 std::unique_ptr<NavigationEntryImpl> entry;
2218 if (!node->IsMainFrame()) {
2219 // Subframe case: create FrameNavigationEntry.
2220 if (GetLastCommittedEntry()) {
2221 entry = GetLastCommittedEntry()->Clone();
2222 entry->set_extra_headers(extra_headers);
2223 // TODO(arthursonzogni): What about |is_renderer_initiated|?
2224 // Renderer-initiated navigation that target a remote frame are currently
2225 // classified as browser-initiated when this one has already navigated.
2226 // See https://crbug.com/722251.
2227 } else {
2228 // If there's no last committed entry, create an entry for about:blank
2229 // with a subframe entry for our destination.
2230 // TODO(creis): Ensure this case can't exist in https://crbug.com/524208.
2231 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz435bcb582019-07-12 20:50:062232 GURL(url::kAboutBlankURL), referrer, initiator_origin,
2233 page_transition, is_renderer_initiated, extra_headers,
2234 browser_context_, nullptr /* blob_url_loader_factory */));
clamy987a3752018-05-03 17:36:262235 }
2236 entry->AddOrUpdateFrameEntry(
2237 node, -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582238 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Lukasz Anforowicz435bcb582019-07-12 20:50:062239 base::nullopt /* commit_origin */, referrer, initiator_origin,
2240 std::vector<GURL>(), PageState(), method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262241 } else {
2242 // Main frame case.
2243 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz435bcb582019-07-12 20:50:062244 url, referrer, initiator_origin, page_transition, is_renderer_initiated,
2245 extra_headers, browser_context_, blob_url_loader_factory));
clamy987a3752018-05-03 17:36:262246 entry->root_node()->frame_entry->set_source_site_instance(
2247 static_cast<SiteInstanceImpl*>(source_site_instance));
2248 entry->root_node()->frame_entry->set_method(method);
2249 }
clamy987a3752018-05-03 17:36:262250
2251 // Don't allow an entry replacement if there is no entry to replace.
2252 // http://crbug.com/457149
2253 if (should_replace_current_entry && GetEntryCount() > 0)
2254 entry->set_should_replace_entry(true);
Camille Lamy5193caa2018-10-12 11:59:422255
2256 bool override_user_agent = false;
clamy987a3752018-05-03 17:36:262257 if (GetLastCommittedEntry() &&
2258 GetLastCommittedEntry()->GetIsOverridingUserAgent()) {
2259 entry->SetIsOverridingUserAgent(true);
Camille Lamy5193caa2018-10-12 11:59:422260 override_user_agent = true;
clamy987a3752018-05-03 17:36:262261 }
2262 // TODO(creis): Set user gesture and intent received timestamp on Android.
2263
2264 // We may not have successfully added the FrameNavigationEntry to |entry|
2265 // above (per https://crbug.com/608402), in which case we create it from
2266 // scratch. This works because we do not depend on |frame_entry| being inside
2267 // |entry| during NavigateToEntry. This will go away when we shortcut this
2268 // further in https://crbug.com/536906.
2269 scoped_refptr<FrameNavigationEntry> frame_entry(entry->GetFrameEntry(node));
2270 if (!frame_entry) {
Patrick Monette50e8bd82019-06-13 22:40:452271 frame_entry = base::MakeRefCounted<FrameNavigationEntry>(
clamy987a3752018-05-03 17:36:262272 node->unique_name(), -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582273 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Lukasz Anforowicz435bcb582019-07-12 20:50:062274 nullptr /* origin */, referrer, initiator_origin, std::vector<GURL>(),
2275 PageState(), method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262276 }
2277
Camille Lamy5193caa2018-10-12 11:59:422278 LoadURLParams params(url);
Nasko Oskov93e7c55c2018-12-19 01:59:292279 params.initiator_origin = initiator_origin;
Camille Lamy5193caa2018-10-12 11:59:422280 params.source_site_instance = source_site_instance;
2281 params.load_type = method == "POST" ? LOAD_TYPE_HTTP_POST : LOAD_TYPE_DEFAULT;
2282 params.transition_type = page_transition;
Dominic Farolino226226af2019-06-25 00:58:032283 params.frame_tree_node_id = node->frame_tree_node_id();
Camille Lamy5193caa2018-10-12 11:59:422284 params.referrer = referrer;
2285 /* params.redirect_chain: skip */
2286 params.extra_headers = extra_headers;
2287 params.is_renderer_initiated = is_renderer_initiated;
2288 params.override_user_agent = UA_OVERRIDE_INHERIT;
2289 /* params.base_url_for_data_url: skip */
2290 /* params.virtual_url_for_data_url: skip */
2291 /* params.data_url_as_string: skip */
2292 params.post_data = post_body;
2293 params.can_load_local_resources = false;
2294 params.should_replace_current_entry = false;
2295 /* params.frame_name: skip */
2296 // TODO(clamy): See if user gesture should be propagated to this function.
2297 params.has_user_gesture = false;
2298 params.should_clear_history_list = false;
2299 params.started_from_context_menu = false;
2300 /* params.navigation_ui_data: skip */
2301 /* params.input_start: skip */
Lucas Furukawa Gadania9c45682019-07-31 22:05:142302 params.was_activated = mojom::WasActivatedOption::kUnknown;
Robert Ogden011a8082019-01-23 19:04:542303 /* params.reload_type: skip */
Camille Lamy5193caa2018-10-12 11:59:422304
2305 std::unique_ptr<NavigationRequest> request =
2306 CreateNavigationRequestFromLoadParams(
Dominic Farolino226226af2019-06-25 00:58:032307 node, params, override_user_agent, should_replace_current_entry,
2308 false /* has_user_gesture */, download_policy, ReloadType::NONE,
2309 entry.get(), frame_entry.get());
clamyea99ea12018-05-28 13:54:232310
2311 if (!request)
2312 return;
2313
Arthur Hemery948742762019-09-18 10:06:242314 // At this stage we are proceeding with this navigation. If this was renderer
2315 // initiated with user gesture, we need to make sure we clear up potential
2316 // remains of a cancelled browser initiated navigation to avoid URL spoofs.
2317 DiscardNonCommittedEntries();
2318
Dominic Farolino226226af2019-06-25 00:58:032319 node->navigator()->Navigate(std::move(request), ReloadType::NONE,
2320 RestoreType::NONE);
clamy987a3752018-05-03 17:36:262321}
2322
[email protected]d1198fd2012-08-13 22:50:192323void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:302324 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:212325 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:192326 if (!session_storage_namespace)
2327 return;
2328
2329 // We can't overwrite an existing SessionStorage without violating spec.
2330 // Attempts to do so may give a tab access to another tab's session storage
2331 // so die hard on an error.
Aran Gilman37d11632019-10-08 23:07:152332 bool successful_insert =
2333 session_storage_namespace_map_
2334 .insert(
2335 make_pair(partition_id, static_cast<SessionStorageNamespaceImpl*>(
2336 session_storage_namespace)))
[email protected]fdac6ade2013-07-20 01:06:302337 .second;
2338 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:192339}
2340
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572341bool NavigationControllerImpl::IsUnmodifiedBlankTab() {
Aran Gilman37d11632019-10-08 23:07:152342 return IsInitialNavigation() && !GetLastCommittedEntry() &&
[email protected]b4c84012014-04-28 19:51:102343 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:462344}
2345
Aran Gilman37d11632019-10-08 23:07:152346SessionStorageNamespace* NavigationControllerImpl::GetSessionStorageNamespace(
2347 SiteInstance* instance) {
[email protected]fdac6ade2013-07-20 01:06:302348 std::string partition_id;
2349 if (instance) {
2350 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
2351 // this if statement so |instance| must not be NULL.
Aran Gilman37d11632019-10-08 23:07:152352 partition_id = GetContentClient()->browser()->GetStoragePartitionIdForSite(
2353 browser_context_, instance->GetSiteURL());
[email protected]fdac6ade2013-07-20 01:06:302354 }
[email protected]d1198fd2012-08-13 22:50:192355
[email protected]fdac6ade2013-07-20 01:06:302356 // TODO(ajwong): Should this use the |partition_id| directly rather than
2357 // re-lookup via |instance|? http://crbug.com/142685
2358 StoragePartition* partition =
michaelnbacbcbd2016-02-09 00:32:032359 BrowserContext::GetStoragePartition(browser_context_, instance);
2360 DOMStorageContextWrapper* context_wrapper =
2361 static_cast<DOMStorageContextWrapper*>(partition->GetDOMStorageContext());
2362
2363 SessionStorageNamespaceMap::const_iterator it =
2364 session_storage_namespace_map_.find(partition_id);
2365 if (it != session_storage_namespace_map_.end()) {
2366 // Ensure that this namespace actually belongs to this partition.
Aran Gilman37d11632019-10-08 23:07:152367 DCHECK(static_cast<SessionStorageNamespaceImpl*>(it->second.get())
2368 ->IsFromContext(context_wrapper));
michaelnbacbcbd2016-02-09 00:32:032369 return it->second.get();
2370 }
2371
2372 // Create one if no one has accessed session storage for this partition yet.
Daniel Murphy31bbb8b12018-02-07 21:44:102373 scoped_refptr<SessionStorageNamespaceImpl> session_storage_namespace =
2374 SessionStorageNamespaceImpl::Create(context_wrapper);
2375 SessionStorageNamespaceImpl* session_storage_namespace_ptr =
2376 session_storage_namespace.get();
2377 session_storage_namespace_map_[partition_id] =
2378 std::move(session_storage_namespace);
[email protected]fdac6ade2013-07-20 01:06:302379
Daniel Murphy31bbb8b12018-02-07 21:44:102380 return session_storage_namespace_ptr;
[email protected]fdac6ade2013-07-20 01:06:302381}
2382
2383SessionStorageNamespace*
2384NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
2385 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
Ivan Kotenkov2c0d2bb32017-11-01 15:41:282386 return GetSessionStorageNamespace(nullptr);
[email protected]fdac6ade2013-07-20 01:06:302387}
2388
2389const SessionStorageNamespaceMap&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572390NavigationControllerImpl::GetSessionStorageNamespaceMap() {
[email protected]fdac6ade2013-07-20 01:06:302391 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:552392}
[email protected]d202a7c2012-01-04 07:53:472393
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572394bool NavigationControllerImpl::NeedsReload() {
[email protected]71fde352011-12-29 03:29:562395 return needs_reload_;
2396}
[email protected]a26023822011-12-29 00:23:552397
[email protected]46bb5e9c2013-10-03 22:16:472398void NavigationControllerImpl::SetNeedsReload() {
Alex Moshchuk7b4f0652019-05-30 18:54:412399 SetNeedsReload(NeedsReloadType::kRequestedByClient);
2400}
2401
2402void NavigationControllerImpl::SetNeedsReload(NeedsReloadType type) {
[email protected]46bb5e9c2013-10-03 22:16:472403 needs_reload_ = true;
Alex Moshchuk7b4f0652019-05-30 18:54:412404 needs_reload_type_ = type;
jaekyunc8cefa82015-01-09 20:14:542405
2406 if (last_committed_entry_index_ != -1) {
2407 entries_[last_committed_entry_index_]->SetTransitionType(
2408 ui::PAGE_TRANSITION_RELOAD);
2409 }
[email protected]46bb5e9c2013-10-03 22:16:472410}
2411
[email protected]d202a7c2012-01-04 07:53:472412void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
Kevin McNee05164772019-09-03 17:24:572413 DCHECK_LT(index, GetEntryCount());
2414 DCHECK_NE(index, last_committed_entry_index_);
2415
2416 const bool was_transient = index == transient_entry_index_;
[email protected]43032342011-03-21 14:10:312417
2418 DiscardNonCommittedEntries();
2419
Kevin McNee05164772019-09-03 17:24:572420 if (was_transient) {
2421 // There's nothing left to do if the index referred to a transient entry
2422 // that we just discarded.
2423 DCHECK(!GetTransientEntry());
2424 return;
2425 }
2426
[email protected]43032342011-03-21 14:10:312427 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:122428 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:312429 last_committed_entry_index_--;
2430}
2431
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572432NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() {
arthursonzogni5c4c202d2017-04-25 23:41:272433 // If there is no pending_entry_, there should be no pending_entry_index_.
2434 DCHECK(pending_entry_ || pending_entry_index_ == -1);
2435
2436 // If there is a pending_entry_index_, then pending_entry_ must be the entry
Carlos IL42b416592019-10-07 23:10:362437 // at that index. An exception is while a reload of a post commit error page
2438 // is ongoing; in that case pending entry will point to the entry replaced
2439 // by the error.
arthursonzogni5c4c202d2017-04-25 23:41:272440 DCHECK(pending_entry_index_ == -1 ||
Carlos IL42b416592019-10-07 23:10:362441 pending_entry_ == GetEntryAtIndex(pending_entry_index_) ||
2442 pending_entry_ == entry_replaced_by_post_commit_error_.get());
arthursonzogni5c4c202d2017-04-25 23:41:272443
[email protected]022af742011-12-28 18:37:252444 return pending_entry_;
2445}
2446
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572447int NavigationControllerImpl::GetPendingEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:272448 // The pending entry index must always be less than the number of entries.
2449 // If there are no entries, it must be exactly -1.
2450 DCHECK_LT(pending_entry_index_, GetEntryCount());
2451 DCHECK(GetEntryCount() != 0 || pending_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:552452 return pending_entry_index_;
2453}
2454
avi25764702015-06-23 15:43:372455void NavigationControllerImpl::InsertOrReplaceEntry(
dcheng9bfa5162016-04-09 01:00:572456 std::unique_ptr<NavigationEntryImpl> entry,
Carlos IL42b416592019-10-07 23:10:362457 bool replace,
2458 bool was_post_commit_error) {
mastiz7eddb5f72016-06-23 09:52:452459 DCHECK(!ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
2460 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
[email protected]765b35502008-08-21 00:51:202461
avi5cad4912015-06-19 05:25:442462 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
2463 // need to keep continuity with the pending entry, so copy the pending entry's
2464 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
2465 // then the renderer navigated on its own, independent of the pending entry,
2466 // so don't copy anything.
2467 if (pending_entry_ && pending_entry_index_ == -1)
2468 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:202469
arthursonzogni69a6a1b2019-09-17 09:23:002470 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:202471
creisee17e932015-07-17 17:56:222472 // When replacing, don't prune the forward history.
Carlos IL42b416592019-10-07 23:10:362473 if ((replace || was_post_commit_error) && entries_.size() > 0) {
Mikel Astizba9cf2fd2017-12-17 10:38:102474 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572475 entries_[last_committed_entry_index_].get(), entry.get());
Carlos IL42b416592019-10-07 23:10:362476 // If the new entry is a post-commit error page, we store the current last
2477 // committed entry to the side so that we can put it back when navigating
2478 // away from the error.
2479 if (was_post_commit_error) {
2480 DCHECK(!entry_replaced_by_post_commit_error_);
2481 entry_replaced_by_post_commit_error_ =
2482 std::move(entries_[last_committed_entry_index_]);
2483 }
dcheng36b6aec92015-12-26 06:16:362484 entries_[last_committed_entry_index_] = std::move(entry);
creisee17e932015-07-17 17:56:222485 return;
2486 }
[email protected]765b35502008-08-21 00:51:202487
creis37979a62015-08-04 19:48:182488 // We shouldn't see replace == true when there's no committed entries.
2489 DCHECK(!replace);
2490
Michael Thiessen9b14d512019-09-23 21:19:472491 PruneForwardEntries();
[email protected]765b35502008-08-21 00:51:202492
Shivani Sharmad8c8d652019-02-13 17:27:572493 PruneOldestSkippableEntryIfFull();
[email protected]765b35502008-08-21 00:51:202494
dcheng36b6aec92015-12-26 06:16:362495 entries_.push_back(std::move(entry));
[email protected]765b35502008-08-21 00:51:202496 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
initial.commit09911bf2008-07-26 23:55:292497}
2498
Shivani Sharmad8c8d652019-02-13 17:27:572499void NavigationControllerImpl::PruneOldestSkippableEntryIfFull() {
Shivani Sharma2d5b4b6b2019-01-08 16:07:162500 if (entries_.size() < max_entry_count())
2501 return;
2502
2503 DCHECK_EQ(max_entry_count(), entries_.size());
2504 DCHECK_GT(last_committed_entry_index_, 0);
Shivani Sharmad8c8d652019-02-13 17:27:572505 CHECK_EQ(pending_entry_index_, -1);
2506
2507 int index = 0;
2508 if (base::FeatureList::IsEnabled(
2509 features::kHistoryManipulationIntervention)) {
2510 // Retrieve the oldest skippable entry.
2511 for (; index < GetEntryCount(); index++) {
2512 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
2513 break;
2514 }
2515 }
2516
2517 // If there is no skippable entry or if it is the last committed entry then
2518 // fall back to pruning the oldest entry. It is not safe to prune the last
2519 // committed entry.
2520 if (index == GetEntryCount() || index == last_committed_entry_index_)
2521 index = 0;
2522
2523 bool should_succeed = RemoveEntryAtIndex(index);
2524 DCHECK_EQ(true, should_succeed);
2525
2526 NotifyPrunedEntries(this, index, 1);
[email protected]944822b2012-03-02 20:57:252527}
2528
clamy3cb9bea92018-07-10 12:42:022529void NavigationControllerImpl::NavigateToExistingPendingEntry(
Dave Tapuska8bfd84c2019-03-26 20:47:162530 ReloadType reload_type,
2531 int sandboxed_source_frame_tree_node_id) {
Alexander Timin3a92df72019-09-20 11:59:502532 TRACE_EVENT0("navigation",
2533 "NavigationControllerImpl::NavigateToExistingPendingEntry");
arthursonzogni5c4c202d2017-04-25 23:41:272534 DCHECK(pending_entry_);
clamy3cb9bea92018-07-10 12:42:022535 DCHECK(IsInitialNavigation() || pending_entry_index_ != -1);
Carlos IL42b416592019-10-07 23:10:362536 if (pending_entry_index_ != -1) {
2537 // The pending entry may not be in entries_ if a post-commit error page is
2538 // showing.
2539 DCHECK(pending_entry_ == entries_[pending_entry_index_].get() ||
2540 pending_entry_ == entry_replaced_by_post_commit_error_.get());
2541 }
clamy3cb9bea92018-07-10 12:42:022542 DCHECK(!IsRendererDebugURL(pending_entry_->GetURL()));
[email protected]72097fd02010-01-21 23:36:012543 needs_reload_ = false;
Arthur Sonzogni620cec62018-12-13 13:08:572544 FrameTreeNode* root = delegate_->GetFrameTree()->root();
2545 int nav_entry_id = pending_entry_->GetUniqueID();
2546
2547 // BackForwardCache:
Lowell Manners0c04d632019-08-05 10:52:022548 // Navigate immediately if the document is in the BackForwardCache.
Arthur Hemery549850f6e2019-10-01 13:17:432549 if (back_forward_cache_.GetEntry(nav_entry_id)) {
Lowell Manners0c04d632019-08-05 10:52:022550 DCHECK_EQ(reload_type, ReloadType::NONE);
2551 auto navigation_request = CreateNavigationRequestFromEntry(
2552 root, pending_entry_, pending_entry_->GetFrameEntry(root),
2553 ReloadType::NONE, false /* is_same_document_history_load */,
2554 false /* is_history_navigation_in_new_child */);
2555 root->navigator()->Navigate(std::move(navigation_request), ReloadType::NONE,
2556 RestoreType::NONE);
2557
Arthur Sonzogni620cec62018-12-13 13:08:572558 return;
2559 }
[email protected]72097fd02010-01-21 23:36:012560
Lowell Mannerscc67fc62019-10-18 10:21:472561 // History navigation might try to reuse a specific BrowsingInstance, already
2562 // used by a page in the cache. To avoid having two different main frames that
2563 // live in the same BrowsingInstance, evict the all pages with this
2564 // BrowsingInstance from the cache.
2565 //
2566 // For example, take the following scenario:
2567 //
2568 // A1 = Some page on a.com
2569 // A2 = Some other page on a.com
2570 // B3 = An uncacheable page on b.com
2571 //
2572 // Then the following navigations occur:
2573 // A1->A2->B3->A1
2574 // On the navigation from B3 to A1, A2 will remain in the cache (B3 doesn't
2575 // take its place) and A1 will be created in the same BrowsingInstance (and
2576 // SiteInstance), as A2.
2577 //
2578 // If we didn't do anything, both A1 and A2 would remain alive in the same
2579 // BrowsingInstance/SiteInstance, which is unsupported by
2580 // RenderFrameHostManager::CommitPending(). To avoid this conundrum, we evict
2581 // A2 from the cache.
arthursonzogni6c27c3152019-09-12 08:00:572582 if (pending_entry_->site_instance()) {
Lowell Mannerscc67fc62019-10-18 10:21:472583 back_forward_cache_.EvictFramesInRelatedSiteInstances(
2584 pending_entry_->site_instance());
arthursonzogni6c27c3152019-09-12 08:00:572585 }
2586
[email protected]83c2e232011-10-07 21:36:462587 // If we were navigating to a slow-to-commit page, and the user performs
2588 // a session history navigation to the last committed page, RenderViewHost
2589 // will force the throbber to start, but WebKit will essentially ignore the
2590 // navigation, and won't send a message to stop the throbber. To prevent this
2591 // from happening, we drop the navigation here and stop the slow-to-commit
2592 // page from loading (which would normally happen during the navigation).
clamy3cb9bea92018-07-10 12:42:022593 if (pending_entry_index_ == last_committed_entry_index_ &&
arthursonzogni5c4c202d2017-04-25 23:41:272594 pending_entry_->restore_type() == RestoreType::NONE &&
2595 pending_entry_->GetTransitionType() & ui::PAGE_TRANSITION_FORWARD_BACK) {
[email protected]ec6c05f2013-10-23 18:41:572596 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:122597
avi668f5232017-06-22 22:52:172598 // If an interstitial page is showing, we want to close it to get back to
2599 // what was showing before.
2600 //
2601 // There are two ways to get the interstitial page given a WebContents.
2602 // Because WebContents::GetInterstitialPage() returns null between the
2603 // interstitial's Show() method being called and the interstitial becoming
2604 // visible, while InterstitialPage::GetInterstitialPage() returns the
2605 // interstitial during that time, use the latter.
2606 InterstitialPage* interstitial =
2607 InterstitialPage::GetInterstitialPage(GetWebContents());
2608 if (interstitial)
2609 interstitial->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:122610
[email protected]83c2e232011-10-07 21:36:462611 DiscardNonCommittedEntries();
2612 return;
2613 }
2614
creisce0ef3572017-01-26 17:53:082615 // Compare FrameNavigationEntries to see which frames in the tree need to be
2616 // navigated.
clamy3cb9bea92018-07-10 12:42:022617 std::vector<std::unique_ptr<NavigationRequest>> same_document_loads;
2618 std::vector<std::unique_ptr<NavigationRequest>> different_document_loads;
creis4e2ecb72015-06-20 00:46:302619 if (GetLastCommittedEntry()) {
clamy3cb9bea92018-07-10 12:42:022620 FindFramesToNavigate(root, reload_type, &same_document_loads,
2621 &different_document_loads);
creis4e2ecb72015-06-20 00:46:302622 }
2623
2624 if (same_document_loads.empty() && different_document_loads.empty()) {
2625 // If we don't have any frames to navigate at this point, either
2626 // (1) there is no previous history entry to compare against, or
2627 // (2) we were unable to match any frames by name. In the first case,
2628 // doing a different document navigation to the root item is the only valid
2629 // thing to do. In the second case, we should have been able to find a
2630 // frame to navigate based on names if this were a same document
2631 // navigation, so we can safely assume this is the different document case.
clamy3cb9bea92018-07-10 12:42:022632 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422633 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572634 root, pending_entry_, pending_entry_->GetFrameEntry(root),
clamy3cb9bea92018-07-10 12:42:022635 reload_type, false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422636 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022637 if (!navigation_request) {
2638 // This navigation cannot start (e.g. the URL is invalid), delete the
2639 // pending NavigationEntry.
2640 DiscardPendingEntry(false);
2641 return;
2642 }
2643 different_document_loads.push_back(std::move(navigation_request));
creis4e2ecb72015-06-20 00:46:302644 }
2645
Dave Tapuska8bfd84c2019-03-26 20:47:162646 // If |sandboxed_source_frame_node_id| is valid, then track whether this
2647 // navigation affects any frame outside the frame's subtree.
2648 if (sandboxed_source_frame_tree_node_id !=
2649 FrameTreeNode::kFrameTreeNodeInvalidId) {
2650 bool navigates_inside_tree =
2651 DoesSandboxNavigationStayWithinSubtree(
2652 sandboxed_source_frame_tree_node_id, same_document_loads) &&
2653 DoesSandboxNavigationStayWithinSubtree(
2654 sandboxed_source_frame_tree_node_id, different_document_loads);
Dave Tapuska716ed3af2019-09-23 18:45:502655 // Count the navigations as web use counters so we can determine
Dave Tapuska8bfd84c2019-03-26 20:47:162656 // the number of pages that trigger this.
2657 FrameTreeNode* sandbox_source_frame_tree_node =
2658 FrameTreeNode::GloballyFindByID(sandboxed_source_frame_tree_node_id);
2659 if (sandbox_source_frame_tree_node) {
2660 GetContentClient()->browser()->LogWebFeatureForCurrentPage(
2661 sandbox_source_frame_tree_node->current_frame_host(),
2662 navigates_inside_tree
2663 ? blink::mojom::WebFeature::kSandboxBackForwardStaysWithinSubtree
2664 : blink::mojom::WebFeature::
2665 kSandboxBackForwardAffectsFramesOutsideSubtree);
2666 }
Dave Tapuska855c1e12019-08-23 20:45:522667
2668 // If the navigation occurred outside the tree discard it because
2669 // the sandboxed frame didn't have permission to navigate outside
2670 // its tree. If it is possible that the navigation is both inside and
2671 // outside the frame tree and we discard it entirely because we don't
2672 // want to end up in a history state that didn't exist before.
2673 if (base::FeatureList::IsEnabled(
2674 features::kHistoryPreventSandboxedNavigation) &&
2675 !navigates_inside_tree) {
2676 DiscardPendingEntry(false);
2677 return;
2678 }
Dave Tapuska8bfd84c2019-03-26 20:47:162679 }
2680
clamy3cb9bea92018-07-10 12:42:022681 // If an interstitial page is showing, the previous renderer is blocked and
2682 // cannot make new requests. Unblock (and disable) it to allow this
2683 // navigation to succeed. The interstitial will stay visible until the
2684 // resulting DidNavigate.
Arthur Hemery0dd65812019-08-01 14:18:452685 // TODO(clamy): See if this can be removed. See https://crbug.com/849250.
clamy3cb9bea92018-07-10 12:42:022686 if (delegate_->GetInterstitialPage()) {
2687 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
2688 ->CancelForNavigation();
2689 }
2690
2691 // This call does not support re-entrancy. See http://crbug.com/347742.
2692 CHECK(!in_navigate_to_pending_entry_);
2693 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:302694
arthursonzogni66f711c2019-10-08 14:40:362695 // It is not possible to delete the pending NavigationEntry while navigating
2696 // to it. Grab a reference to delay potential deletion until the end of this
2697 // function.
2698 std::unique_ptr<PendingEntryRef> pending_entry_ref = ReferencePendingEntry();
2699
creis4e2ecb72015-06-20 00:46:302700 // Send all the same document frame loads before the different document loads.
clamy3cb9bea92018-07-10 12:42:022701 for (auto& item : same_document_loads) {
2702 FrameTreeNode* frame = item->frame_tree_node();
2703 frame->navigator()->Navigate(std::move(item), reload_type,
2704 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302705 }
clamy3cb9bea92018-07-10 12:42:022706 for (auto& item : different_document_loads) {
2707 FrameTreeNode* frame = item->frame_tree_node();
2708 frame->navigator()->Navigate(std::move(item), reload_type,
2709 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302710 }
clamy3cb9bea92018-07-10 12:42:022711
2712 in_navigate_to_pending_entry_ = false;
creis4e2ecb72015-06-20 00:46:302713}
2714
2715void NavigationControllerImpl::FindFramesToNavigate(
2716 FrameTreeNode* frame,
clamy3cb9bea92018-07-10 12:42:022717 ReloadType reload_type,
2718 std::vector<std::unique_ptr<NavigationRequest>>* same_document_loads,
2719 std::vector<std::unique_ptr<NavigationRequest>>* different_document_loads) {
arthursonzogni03f76152019-02-12 10:35:202720 // A frame pending deletion is not allowed to navigate anymore. It has been
2721 // deleted and the browser already committed to destroying this
2722 // RenderFrameHost. See https://crbug.com/930278.
2723 if (!frame->current_frame_host()->is_active())
2724 return;
2725
creis4e2ecb72015-06-20 00:46:302726 DCHECK(pending_entry_);
2727 DCHECK_GE(last_committed_entry_index_, 0);
2728 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
creis225a7432016-06-03 22:56:272729 // TODO(creis): Store the last committed FrameNavigationEntry to use here,
2730 // rather than assuming the NavigationEntry has up to date info on subframes.
creis4e2ecb72015-06-20 00:46:302731 FrameNavigationEntry* old_item =
2732 GetLastCommittedEntry()->GetFrameEntry(frame);
2733 if (!new_item)
2734 return;
2735
2736 // Schedule a load in this frame if the new item isn't for the same item
creis7115a702015-12-03 18:55:562737 // sequence number in the same SiteInstance. Newly restored items may not have
2738 // a SiteInstance yet, in which case it will be assigned on first commit.
creis4e2ecb72015-06-20 00:46:302739 if (!old_item ||
2740 new_item->item_sequence_number() != old_item->item_sequence_number() ||
Lei Zhang96031532019-10-10 19:05:472741 (new_item->site_instance() &&
creis7115a702015-12-03 18:55:562742 new_item->site_instance() != old_item->site_instance())) {
creis54131692016-08-12 18:32:252743 // Same document loads happen if the previous item has the same document
2744 // sequence number. Note that we should treat them as different document if
2745 // the destination RenderFrameHost (which is necessarily the current
2746 // RenderFrameHost for same document navigations) doesn't have a last
2747 // committed page. This case can happen for Ctrl+Back or after a renderer
2748 // crash.
creis4e2ecb72015-06-20 00:46:302749 if (old_item &&
2750 new_item->document_sequence_number() ==
creis54131692016-08-12 18:32:252751 old_item->document_sequence_number() &&
Avi Drissman2eb7a482017-11-30 04:36:312752 !frame->current_frame_host()->GetLastCommittedURL().is_empty()) {
clamy3cb9bea92018-07-10 12:42:022753 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422754 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572755 frame, pending_entry_, new_item, reload_type,
clamy3cb9bea92018-07-10 12:42:022756 true /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422757 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022758 if (navigation_request) {
2759 // Only add the request if was properly created. It's possible for the
2760 // creation to fail in certain cases, e.g. when the URL is invalid.
2761 same_document_loads->push_back(std::move(navigation_request));
2762 }
avib48cb312016-05-05 21:35:002763
2764 // TODO(avi, creis): This is a bug; we should not return here. Rather, we
2765 // should continue on and navigate all child frames which have also
2766 // changed. This bug is the cause of <https://crbug.com/542299>, which is
2767 // a NC_IN_PAGE_NAVIGATION renderer kill.
2768 //
2769 // However, this bug is a bandaid over a deeper and worse problem. Doing a
2770 // pushState immediately after loading a subframe is a race, one that no
2771 // web page author expects. If we fix this bug, many large websites break.
2772 // For example, see <https://crbug.com/598043> and the spec discussion at
2773 // <https://github.com/whatwg/html/issues/1191>.
2774 //
2775 // For now, we accept this bug, and hope to resolve the race in a
2776 // different way that will one day allow us to fix this.
2777 return;
creis4e2ecb72015-06-20 00:46:302778 }
Lei Zhang96031532019-10-10 19:05:472779
2780 std::unique_ptr<NavigationRequest> navigation_request =
2781 CreateNavigationRequestFromEntry(
2782 frame, pending_entry_, new_item, reload_type,
2783 false /* is_same_document_history_load */,
2784 false /* is_history_navigation_in_new_child */);
2785 if (navigation_request) {
2786 // Only add the request if was properly created. It's possible for the
2787 // creation to fail in certain cases, e.g. when the URL is invalid.
2788 different_document_loads->push_back(std::move(navigation_request));
2789 }
2790 // For a different document, the subframes will be destroyed, so there's
2791 // no need to consider them.
2792 return;
creis4e2ecb72015-06-20 00:46:302793 }
2794
2795 for (size_t i = 0; i < frame->child_count(); i++) {
clamy3cb9bea92018-07-10 12:42:022796 FindFramesToNavigate(frame->child_at(i), reload_type, same_document_loads,
creis4e2ecb72015-06-20 00:46:302797 different_document_loads);
2798 }
2799}
2800
clamy21718cc22018-06-13 13:34:242801void NavigationControllerImpl::NavigateWithoutEntry(
2802 const LoadURLParams& params) {
2803 // Find the appropriate FrameTreeNode.
2804 FrameTreeNode* node = nullptr;
2805 if (params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId ||
2806 !params.frame_name.empty()) {
2807 node = params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId
2808 ? delegate_->GetFrameTree()->FindByID(params.frame_tree_node_id)
2809 : delegate_->GetFrameTree()->FindByName(params.frame_name);
2810 }
2811
2812 // If no FrameTreeNode was specified, navigate the main frame.
2813 if (!node)
2814 node = delegate_->GetFrameTree()->root();
2815
Camille Lamy5193caa2018-10-12 11:59:422816 // Compute overrides to the LoadURLParams for |override_user_agent|,
2817 // |should_replace_current_entry| and |has_user_gesture| that will be used
2818 // both in the creation of the NavigationEntry and the NavigationRequest.
2819 // Ideally, the LoadURLParams themselves would be updated, but since they are
2820 // passed as a const reference, this is not possible.
2821 // TODO(clamy): When we only create a NavigationRequest, move this to
2822 // CreateNavigationRequestFromLoadURLParams.
2823 bool override_user_agent = ShouldOverrideUserAgent(params.override_user_agent,
2824 GetLastCommittedEntry());
2825
2826 // Don't allow an entry replacement if there is no entry to replace.
2827 // http://crbug.com/457149
2828 bool should_replace_current_entry =
2829 params.should_replace_current_entry && entries_.size();
2830
2831 // Always propagate `has_user_gesture` on Android but only when the request
2832 // was originated by the renderer on other platforms. This is merely for
2833 // backward compatibility as browser process user gestures create confusion in
2834 // many tests.
2835 bool has_user_gesture = false;
2836#if defined(OS_ANDROID)
2837 has_user_gesture = params.has_user_gesture;
2838#else
2839 if (params.is_renderer_initiated)
2840 has_user_gesture = params.has_user_gesture;
2841#endif
2842
clamy21718cc22018-06-13 13:34:242843 // Javascript URLs should not create NavigationEntries. All other navigations
2844 // do, including navigations to chrome renderer debug URLs.
2845 std::unique_ptr<NavigationEntryImpl> entry;
2846 if (!params.url.SchemeIs(url::kJavaScriptScheme)) {
Camille Lamy5193caa2018-10-12 11:59:422847 entry = CreateNavigationEntryFromLoadParams(
2848 node, params, override_user_agent, should_replace_current_entry,
2849 has_user_gesture);
clamy21718cc22018-06-13 13:34:242850 DiscardPendingEntry(false);
2851 SetPendingEntry(std::move(entry));
2852 }
2853
2854 // Renderer-debug URLs are sent to the renderer process immediately for
2855 // processing and don't need to create a NavigationRequest.
2856 // Note: this includes navigations to JavaScript URLs, which are considered
2857 // renderer-debug URLs.
2858 // Note: we intentionally leave the pending entry in place for renderer debug
2859 // URLs, unlike the cases below where we clear it if the navigation doesn't
2860 // proceed.
2861 if (IsRendererDebugURL(params.url)) {
Oleg Davydov2cc0167b2019-02-05 14:32:482862 // Renderer-debug URLs won't go through NavigationThrottlers so we have to
2863 // check them explicitly. See bug 913334.
2864 if (GetContentClient()->browser()->IsRendererDebugURLBlacklisted(
2865 params.url, browser_context_)) {
2866 DiscardPendingEntry(false);
2867 return;
2868 }
2869
clamy21718cc22018-06-13 13:34:242870 HandleRendererDebugURL(node, params.url);
2871 return;
2872 }
2873
2874 // Convert navigations to the current URL to a reload.
2875 // TODO(clamy): We should be using FrameTreeNode::IsMainFrame here instead of
2876 // relying on the frame tree node id from LoadURLParams. Unfortunately,
2877 // DevTools sometimes issues navigations to main frames that they do not
2878 // expect to see treated as reload, and it only works because they pass a
2879 // FrameTreeNode id in their LoadURLParams. Change this once they no longer do
2880 // that. See https://crbug.com/850926.
Robert Ogden011a8082019-01-23 19:04:542881 ReloadType reload_type = params.reload_type;
2882 if (reload_type == ReloadType::NONE &&
2883 ShouldTreatNavigationAsReload(
clamy21718cc22018-06-13 13:34:242884 params.url, pending_entry_->GetVirtualURL(),
2885 params.base_url_for_data_url, params.transition_type,
2886 params.frame_tree_node_id == RenderFrameHost::kNoFrameTreeNodeId,
2887 params.load_type ==
2888 NavigationController::LOAD_TYPE_HTTP_POST /* is_post */,
2889 false /* is_reload */, false /* is_navigation_to_existing_entry */,
2890 transient_entry_index_ != -1 /* has_interstitial */,
2891 GetLastCommittedEntry())) {
2892 reload_type = ReloadType::NORMAL;
2893 }
2894
2895 // navigation_ui_data should only be present for main frame navigations.
2896 DCHECK(node->IsMainFrame() || !params.navigation_ui_data);
2897
clamy21718cc22018-06-13 13:34:242898 DCHECK(pending_entry_);
Camille Lamy5193caa2018-10-12 11:59:422899 std::unique_ptr<NavigationRequest> request =
2900 CreateNavigationRequestFromLoadParams(
2901 node, params, override_user_agent, should_replace_current_entry,
Yao Xiaoaf79ca9b2019-03-12 19:54:182902 has_user_gesture, NavigationDownloadPolicy(), reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572903 pending_entry_, pending_entry_->GetFrameEntry(node));
clamy21718cc22018-06-13 13:34:242904
2905 // If the navigation couldn't start, return immediately and discard the
2906 // pending NavigationEntry.
2907 if (!request) {
2908 DiscardPendingEntry(false);
2909 return;
2910 }
2911
Camille Lamy5193caa2018-10-12 11:59:422912#if DCHECK_IS_ON()
2913 // Safety check that NavigationRequest and NavigationEntry match.
2914 ValidateRequestMatchesEntry(request.get(), pending_entry_);
2915#endif
2916
clamy21718cc22018-06-13 13:34:242917 // If an interstitial page is showing, the previous renderer is blocked and
2918 // cannot make new requests. Unblock (and disable) it to allow this
2919 // navigation to succeed. The interstitial will stay visible until the
2920 // resulting DidNavigate.
2921 if (delegate_->GetInterstitialPage()) {
2922 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
2923 ->CancelForNavigation();
2924 }
2925
2926 // This call does not support re-entrancy. See http://crbug.com/347742.
2927 CHECK(!in_navigate_to_pending_entry_);
2928 in_navigate_to_pending_entry_ = true;
2929
arthursonzogni66f711c2019-10-08 14:40:362930 // It is not possible to delete the pending NavigationEntry while navigating
2931 // to it. Grab a reference to delay potential deletion until the end of this
2932 // function.
2933 std::unique_ptr<PendingEntryRef> pending_entry_ref = ReferencePendingEntry();
2934
clamy21718cc22018-06-13 13:34:242935 node->navigator()->Navigate(std::move(request), reload_type,
2936 RestoreType::NONE);
2937
2938 in_navigate_to_pending_entry_ = false;
2939}
2940
clamyea99ea12018-05-28 13:54:232941void NavigationControllerImpl::HandleRendererDebugURL(
2942 FrameTreeNode* frame_tree_node,
2943 const GURL& url) {
2944 if (!frame_tree_node->current_frame_host()->IsRenderFrameLive()) {
clamy21718cc22018-06-13 13:34:242945 // Any renderer-side debug URLs or javascript: URLs should be ignored if
2946 // the renderer process is not live, unless it is the initial navigation
2947 // of the tab.
clamyea99ea12018-05-28 13:54:232948 if (!IsInitialNavigation()) {
2949 DiscardNonCommittedEntries();
2950 return;
2951 }
2952 frame_tree_node->render_manager()->InitializeRenderFrameIfNecessary(
2953 frame_tree_node->current_frame_host());
2954 }
2955 frame_tree_node->current_frame_host()->HandleRendererDebugURL(url);
2956}
2957
clamy21718cc22018-06-13 13:34:242958std::unique_ptr<NavigationEntryImpl>
2959NavigationControllerImpl::CreateNavigationEntryFromLoadParams(
2960 FrameTreeNode* node,
Camille Lamy5193caa2018-10-12 11:59:422961 const LoadURLParams& params,
2962 bool override_user_agent,
2963 bool should_replace_current_entry,
2964 bool has_user_gesture) {
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:392965 // Browser initiated navigations might not have a blob_url_loader_factory set
2966 // in params even if the navigation is to a blob URL. If that happens, lookup
2967 // the correct url loader factory to use here.
2968 auto blob_url_loader_factory = params.blob_url_loader_factory;
Kinuko Yasuda7d925ea22019-08-01 10:08:482969 if (!blob_url_loader_factory && params.url.SchemeIsBlob()) {
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:392970 blob_url_loader_factory = ChromeBlobStorageContext::URLLoaderFactoryForUrl(
2971 GetBrowserContext(), params.url);
2972 }
2973
clamy21718cc22018-06-13 13:34:242974 std::unique_ptr<NavigationEntryImpl> entry;
Tommy C. Li03eee77a2019-02-05 02:07:442975 // extra_headers in params are \n separated; navigation entries want \r\n.
2976 std::string extra_headers_crlf;
2977 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
clamy21718cc22018-06-13 13:34:242978
2979 // For subframes, create a pending entry with a corresponding frame entry.
2980 if (!node->IsMainFrame()) {
Tommy C. Li03eee77a2019-02-05 02:07:442981 if (GetLastCommittedEntry()) {
2982 // Create an identical NavigationEntry with a new FrameNavigationEntry for
2983 // the target subframe.
2984 entry = GetLastCommittedEntry()->Clone();
2985 } else {
2986 // If there's no last committed entry, create an entry for about:blank
2987 // with a subframe entry for our destination.
2988 // TODO(creis): Ensure this case can't exist in https://crbug.com/524208.
2989 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz435bcb582019-07-12 20:50:062990 GURL(url::kAboutBlankURL), params.referrer, params.initiator_origin,
2991 params.transition_type, params.is_renderer_initiated,
2992 extra_headers_crlf, browser_context_, blob_url_loader_factory));
Tommy C. Li03eee77a2019-02-05 02:07:442993 }
Nasko Oskov18006bc2018-12-06 02:53:582994
clamy21718cc22018-06-13 13:34:242995 entry->AddOrUpdateFrameEntry(
2996 node, -1, -1, nullptr,
2997 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()),
Lukasz Anforowicz435bcb582019-07-12 20:50:062998 params.url, base::nullopt, params.referrer, params.initiator_origin,
2999 params.redirect_chain, PageState(), "GET", -1, blob_url_loader_factory);
clamy21718cc22018-06-13 13:34:243000 } else {
3001 // Otherwise, create a pending entry for the main frame.
clamy21718cc22018-06-13 13:34:243002 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
Lukasz Anforowicz435bcb582019-07-12 20:50:063003 params.url, params.referrer, params.initiator_origin,
3004 params.transition_type, params.is_renderer_initiated,
3005 extra_headers_crlf, browser_context_, blob_url_loader_factory));
clamy21718cc22018-06-13 13:34:243006 entry->set_source_site_instance(
3007 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
3008 entry->SetRedirectChain(params.redirect_chain);
3009 }
3010
3011 // Set the FTN ID (only used in non-site-per-process, for tests).
3012 entry->set_frame_tree_node_id(node->frame_tree_node_id());
Camille Lamy5193caa2018-10-12 11:59:423013 entry->set_should_replace_entry(should_replace_current_entry);
clamy21718cc22018-06-13 13:34:243014 entry->set_should_clear_history_list(params.should_clear_history_list);
Camille Lamy5193caa2018-10-12 11:59:423015 entry->SetIsOverridingUserAgent(override_user_agent);
3016 entry->set_has_user_gesture(has_user_gesture);
Robert Ogden011a8082019-01-23 19:04:543017 entry->set_reload_type(params.reload_type);
clamy21718cc22018-06-13 13:34:243018
clamy21718cc22018-06-13 13:34:243019 switch (params.load_type) {
3020 case LOAD_TYPE_DEFAULT:
3021 break;
3022 case LOAD_TYPE_HTTP_POST:
3023 entry->SetHasPostData(true);
3024 entry->SetPostData(params.post_data);
3025 break;
3026 case LOAD_TYPE_DATA:
3027 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
3028 entry->SetVirtualURL(params.virtual_url_for_data_url);
3029#if defined(OS_ANDROID)
3030 entry->SetDataURLAsString(params.data_url_as_string);
3031#endif
3032 entry->SetCanLoadLocalResources(params.can_load_local_resources);
3033 break;
clamy21718cc22018-06-13 13:34:243034 }
3035
3036 // TODO(clamy): NavigationEntry is meant for information that will be kept
3037 // after the navigation ended and therefore is not appropriate for
3038 // started_from_context_menu. Move started_from_context_menu to
3039 // NavigationUIData.
3040 entry->set_started_from_context_menu(params.started_from_context_menu);
3041
3042 return entry;
3043}
3044
clamyea99ea12018-05-28 13:54:233045std::unique_ptr<NavigationRequest>
Camille Lamy5193caa2018-10-12 11:59:423046NavigationControllerImpl::CreateNavigationRequestFromLoadParams(
3047 FrameTreeNode* node,
3048 const LoadURLParams& params,
3049 bool override_user_agent,
3050 bool should_replace_current_entry,
3051 bool has_user_gesture,
Charlie Harrison8c113a32019-01-07 16:08:293052 NavigationDownloadPolicy download_policy,
Camille Lamy5193caa2018-10-12 11:59:423053 ReloadType reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573054 NavigationEntryImpl* entry,
Camille Lamy5193caa2018-10-12 11:59:423055 FrameNavigationEntry* frame_entry) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573056 DCHECK_EQ(-1, GetIndexOfEntry(entry));
Camille Lamyb9ed3c52018-11-19 15:34:283057 DCHECK(frame_entry);
Nasko Oskov3c2f9e252019-01-10 17:45:533058 // All renderer-initiated navigations must have an initiator_origin.
3059 DCHECK(!params.is_renderer_initiated || params.initiator_origin.has_value());
Camille Lamyff7c4822018-11-07 15:42:513060
Camille Lamy5193caa2018-10-12 11:59:423061 GURL url_to_load;
3062 GURL virtual_url;
Nasko Oskov03912102019-01-11 00:21:323063 base::Optional<url::Origin> origin_to_commit =
3064 frame_entry ? frame_entry->committed_origin() : base::nullopt;
3065
Camille Lamy2baa8022018-10-19 16:43:173066 // For main frames, rewrite the URL if necessary and compute the virtual URL
3067 // that should be shown in the address bar.
3068 if (node->IsMainFrame()) {
3069 bool reverse_on_redirect = false;
3070 RewriteUrlForNavigation(params.url, browser_context_, &url_to_load,
3071 &virtual_url, &reverse_on_redirect);
Camille Lamy5193caa2018-10-12 11:59:423072
Camille Lamy2baa8022018-10-19 16:43:173073 // For DATA loads, override the virtual URL.
3074 if (params.load_type == LOAD_TYPE_DATA)
3075 virtual_url = params.virtual_url_for_data_url;
Camille Lamy5193caa2018-10-12 11:59:423076
Camille Lamy2baa8022018-10-19 16:43:173077 if (virtual_url.is_empty())
3078 virtual_url = url_to_load;
3079
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573080 CHECK(virtual_url == entry->GetVirtualURL());
Camille Lamyb9ed3c52018-11-19 15:34:283081
3082 // This is a DCHECK and not a CHECK as URL rewrite has non-deterministic
3083 // behavior in the field: it is possible for two calls to
3084 // RewriteUrlForNavigation to return different results, leading to a
3085 // different URL in the NavigationRequest and FrameEntry. This will be fixed
3086 // once we remove the pending NavigationEntry, as we'll only make one call
3087 // to RewriteUrlForNavigation.
3088 DCHECK_EQ(url_to_load, frame_entry->url());
3089
Camille Lamy2baa8022018-10-19 16:43:173090 // TODO(clamy): In order to remove the pending NavigationEntry,
3091 // |virtual_url| and |reverse_on_redirect| should be stored in the
3092 // NavigationRequest.
3093 } else {
3094 url_to_load = params.url;
3095 virtual_url = params.url;
Camille Lamyf664f7622019-01-07 19:28:243096 CHECK(!frame_entry || url_to_load == frame_entry->url());
Camille Lamy2baa8022018-10-19 16:43:173097 }
Camille Lamy5193caa2018-10-12 11:59:423098
Ehsan Karamad44fc72112019-02-26 18:15:473099 if (node->render_manager()->is_attaching_inner_delegate()) {
3100 // Avoid starting any new navigations since this node is now preparing for
3101 // attaching an inner delegate.
3102 return nullptr;
Ehsan Karamaddd9a4142018-12-04 20:38:203103 }
Camille Lamy5193caa2018-10-12 11:59:423104
Camille Lamy5193caa2018-10-12 11:59:423105 if (!IsValidURLForNavigation(node->IsMainFrame(), virtual_url, url_to_load))
3106 return nullptr;
3107
Nasko Oskov03912102019-01-11 00:21:323108 if (!DoesURLMatchOriginForNavigation(url_to_load, origin_to_commit)) {
3109 DCHECK(false) << " url:" << url_to_load
3110 << " origin:" << origin_to_commit.value();
3111 return nullptr;
3112 }
3113
Camille Lamy5193caa2018-10-12 11:59:423114 // Determine if Previews should be used for the navigation.
3115 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
3116 if (!node->IsMainFrame()) {
3117 // For subframes, use the state of the top-level frame.
3118 previews_state = node->frame_tree()
3119 ->root()
3120 ->current_frame_host()
3121 ->last_navigation_previews_state();
3122 }
3123
Camille Lamy5193caa2018-10-12 11:59:423124 // This will be used to set the Navigation Timing API navigationStart
3125 // parameter for browser navigations in new tabs (intents, tabs opened through
3126 // "Open link in new tab"). If the navigation must wait on the current
3127 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3128 // will be updated when the BeforeUnload ack is received.
3129 base::TimeTicks navigation_start = base::TimeTicks::Now();
3130
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513131 mojom::NavigationType navigation_type =
Camille Lamy5193caa2018-10-12 11:59:423132 GetNavigationType(node->current_url(), // old_url
3133 url_to_load, // new_url
3134 reload_type, // reload_type
3135 entry, // entry
3136 *frame_entry, // frame_entry
3137 false); // is_same_document_history_load
3138
3139 // Create the NavigationParams based on |params|.
3140
3141 bool is_view_source_mode = virtual_url.SchemeIs(kViewSourceScheme);
Charlie Harrison8c113a32019-01-07 16:08:293142
3143 // Update |download_policy| if the virtual URL is view-source. Why do this
3144 // now? Possibly the URL could be rewritten to a view-source via some URL
3145 // handler.
3146 if (is_view_source_mode)
Yao Xiaoaf79ca9b2019-03-12 19:54:183147 download_policy.SetDisallowed(NavigationDownloadType::kViewSource);
Charlie Harrison8c113a32019-01-07 16:08:293148
Camille Lamy5193caa2018-10-12 11:59:423149 const GURL& history_url_for_data_url =
3150 params.base_url_for_data_url.is_empty() ? GURL() : virtual_url;
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513151 mojom::CommonNavigationParamsPtr common_params =
3152 mojom::CommonNavigationParams::New(
3153 url_to_load, params.initiator_origin,
3154 blink::mojom::Referrer::New(params.referrer.url,
3155 params.referrer.policy),
3156 params.transition_type, navigation_type, download_policy,
3157 should_replace_current_entry, params.base_url_for_data_url,
3158 history_url_for_data_url, previews_state, navigation_start,
3159 params.load_type == LOAD_TYPE_HTTP_POST ? "POST" : "GET",
3160 params.post_data, base::Optional<SourceLocation>(),
3161 params.started_from_context_menu, has_user_gesture,
3162 InitiatorCSPInfo(), std::vector<int>(), params.href_translate,
3163 false /* is_history_navigation_in_new_child_frame */,
3164 params.input_start);
Camille Lamy5193caa2018-10-12 11:59:423165
Lucas Furukawa Gadania9c45682019-07-31 22:05:143166 mojom::CommitNavigationParamsPtr commit_params =
3167 mojom::CommitNavigationParams::New(
3168 frame_entry->committed_origin(), override_user_agent,
Lucas Furukawa Gadani81e294b2019-08-29 16:26:323169 params.redirect_chain,
3170 std::vector<network::mojom::URLResponseHeadPtr>(),
Lucas Furukawa Gadania9c45682019-07-31 22:05:143171 std::vector<net::RedirectInfo>(),
3172 std::string() /* post_content_type */, common_params->url,
3173 common_params->method, params.can_load_local_resources,
3174 frame_entry->page_state(), entry->GetUniqueID(),
3175 entry->GetSubframeUniqueNames(node), true /* intended_as_new_entry */,
3176 -1 /* pending_history_list_offset */,
3177 params.should_clear_history_list ? -1 : GetLastCommittedEntryIndex(),
3178 params.should_clear_history_list ? 0 : GetEntryCount(),
3179 false /* was_discarded */, is_view_source_mode,
3180 params.should_clear_history_list, mojom::NavigationTiming::New(),
3181 base::nullopt /* appcache_host_id */,
3182 mojom::WasActivatedOption::kUnknown,
3183 base::UnguessableToken::Create() /* navigation_token */,
Lucas Furukawa Gadani97ea6382019-08-07 19:14:513184 std::vector<mojom::PrefetchedSignedExchangeInfoPtr>(),
Lucas Furukawa Gadania9c45682019-07-31 22:05:143185#if defined(OS_ANDROID)
3186 std::string(), /* data_url_as_string */
3187#endif
Mike West136c0172019-08-23 08:52:123188 false, /* is_browser_initiated */
Tsuyoshi Horoa78f0562019-09-26 06:40:413189 network::mojom::IPAddressSpace::kUnknown,
Lei Zhang96031532019-10-10 19:05:473190 GURL() /* base_url_override_for_bundled_exchanges */);
Camille Lamy5193caa2018-10-12 11:59:423191#if defined(OS_ANDROID)
3192 if (ValidateDataURLAsString(params.data_url_as_string)) {
Lucas Furukawa Gadania9c45682019-07-31 22:05:143193 commit_params->data_url_as_string = params.data_url_as_string->data();
Camille Lamy5193caa2018-10-12 11:59:423194 }
3195#endif
3196
Lucas Furukawa Gadania9c45682019-07-31 22:05:143197 commit_params->was_activated = params.was_activated;
Camille Lamy5193caa2018-10-12 11:59:423198
3199 // A form submission may happen here if the navigation is a renderer-initiated
3200 // form submission that took the OpenURL path.
3201 scoped_refptr<network::ResourceRequestBody> request_body = params.post_data;
3202
3203 // extra_headers in params are \n separated; NavigationRequests want \r\n.
3204 std::string extra_headers_crlf;
3205 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
Yao Xiaodc5ed102019-06-04 19:19:093206
3207 auto navigation_request = NavigationRequest::CreateBrowserInitiated(
Lucas Furukawa Gadania9c45682019-07-31 22:05:143208 node, std::move(common_params), std::move(commit_params),
John Delaney131ad362019-08-08 21:57:413209 !params.is_renderer_initiated, extra_headers_crlf, frame_entry, entry,
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513210 request_body,
Camille Lamy5193caa2018-10-12 11:59:423211 params.navigation_ui_data ? params.navigation_ui_data->Clone() : nullptr);
Yao Xiaodc5ed102019-06-04 19:19:093212 navigation_request->set_from_download_cross_origin_redirect(
3213 params.from_download_cross_origin_redirect);
3214 return navigation_request;
Camille Lamy5193caa2018-10-12 11:59:423215}
3216
3217std::unique_ptr<NavigationRequest>
3218NavigationControllerImpl::CreateNavigationRequestFromEntry(
clamyea99ea12018-05-28 13:54:233219 FrameTreeNode* frame_tree_node,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573220 NavigationEntryImpl* entry,
clamyea99ea12018-05-28 13:54:233221 FrameNavigationEntry* frame_entry,
3222 ReloadType reload_type,
3223 bool is_same_document_history_load,
Arthur Hemerybee4a752019-05-29 10:50:553224 bool is_history_navigation_in_new_child_frame) {
clamyea99ea12018-05-28 13:54:233225 GURL dest_url = frame_entry->url();
Nasko Oskov03912102019-01-11 00:21:323226 base::Optional<url::Origin> origin_to_commit =
3227 frame_entry->committed_origin();
3228
clamyea99ea12018-05-28 13:54:233229 Referrer dest_referrer = frame_entry->referrer();
Ryan Sturmc4da1992018-07-17 16:59:013230 if (reload_type == ReloadType::ORIGINAL_REQUEST_URL &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573231 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
clamyea99ea12018-05-28 13:54:233232 // We may have been redirected when navigating to the current URL.
3233 // Use the URL the user originally intended to visit as signaled by the
3234 // ReloadType, if it's valid and if a POST wasn't involved; the latter
Ryan Sturmc4da1992018-07-17 16:59:013235 // case avoids issues with sending data to the wrong page.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573236 dest_url = entry->GetOriginalRequestURL();
clamyea99ea12018-05-28 13:54:233237 dest_referrer = Referrer();
Nasko Oskov03912102019-01-11 00:21:323238 origin_to_commit.reset();
clamyea99ea12018-05-28 13:54:233239 }
3240
Ehsan Karamad44fc72112019-02-26 18:15:473241 if (frame_tree_node->render_manager()->is_attaching_inner_delegate()) {
3242 // Avoid starting any new navigations since this node is now preparing for
3243 // attaching an inner delegate.
3244 return nullptr;
Ehsan Karamaddd9a4142018-12-04 20:38:203245 }
3246
Camille Lamy5193caa2018-10-12 11:59:423247 if (!IsValidURLForNavigation(frame_tree_node->IsMainFrame(),
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573248 entry->GetVirtualURL(), dest_url)) {
clamyea99ea12018-05-28 13:54:233249 return nullptr;
3250 }
3251
Nasko Oskov03912102019-01-11 00:21:323252 if (!DoesURLMatchOriginForNavigation(dest_url, origin_to_commit)) {
3253 DCHECK(false) << " url:" << dest_url
3254 << " origin:" << origin_to_commit.value();
3255 return nullptr;
3256 }
3257
clamyea99ea12018-05-28 13:54:233258 // Determine if Previews should be used for the navigation.
3259 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
3260 if (!frame_tree_node->IsMainFrame()) {
3261 // For subframes, use the state of the top-level frame.
3262 previews_state = frame_tree_node->frame_tree()
3263 ->root()
3264 ->current_frame_host()
3265 ->last_navigation_previews_state();
clamyea99ea12018-05-28 13:54:233266 }
3267
clamyea99ea12018-05-28 13:54:233268 // This will be used to set the Navigation Timing API navigationStart
3269 // parameter for browser navigations in new tabs (intents, tabs opened through
3270 // "Open link in new tab"). If the navigation must wait on the current
3271 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3272 // will be updated when the BeforeUnload ack is received.
3273 base::TimeTicks navigation_start = base::TimeTicks::Now();
clamyea99ea12018-05-28 13:54:233274
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513275 mojom::NavigationType navigation_type = GetNavigationType(
clamyea99ea12018-05-28 13:54:233276 frame_tree_node->current_url(), // old_url
3277 dest_url, // new_url
3278 reload_type, // reload_type
3279 entry, // entry
3280 *frame_entry, // frame_entry
3281 is_same_document_history_load); // is_same_document_history_load
Camille Lamy5193caa2018-10-12 11:59:423282
3283 // A form submission may happen here if the navigation is a
3284 // back/forward/reload navigation that does a form resubmission.
3285 scoped_refptr<network::ResourceRequestBody> request_body;
3286 std::string post_content_type;
3287 if (frame_entry->method() == "POST") {
3288 request_body = frame_entry->GetPostData(&post_content_type);
3289 // Might have a LF at end.
3290 post_content_type =
3291 base::TrimWhitespaceASCII(post_content_type, base::TRIM_ALL)
3292 .as_string();
3293 }
3294
3295 // Create the NavigationParams based on |entry| and |frame_entry|.
Lucas Furukawa Gadanief8290a2019-07-29 20:27:513296 mojom::CommonNavigationParamsPtr common_params =
3297 entry->ConstructCommonNavigationParams(
3298 *frame_entry, request_body, dest_url,
3299 blink::mojom::Referrer::New(dest_referrer.url, dest_referrer.policy),
3300 navigation_type, previews_state, navigation_start,
3301 base::TimeTicks() /* input_start */);
3302 common_params->is_history_navigation_in_new_child_frame =
Arthur Hemerybee4a752019-05-29 10:50:553303 is_history_navigation_in_new_child_frame;
Camille Lamy5193caa2018-10-12 11:59:423304
3305 // TODO(clamy): |intended_as_new_entry| below should always be false once
3306 // Reload no longer leads to this being called for a pending NavigationEntry
3307 // of index -1.
Lucas Furukawa Gadania9c45682019-07-31 22:05:143308 mojom::CommitNavigationParamsPtr commit_params =
3309 entry->ConstructCommitNavigationParams(
3310 *frame_entry, common_params->url, origin_to_commit,
3311 common_params->method, entry->GetSubframeUniqueNames(frame_tree_node),
3312 GetPendingEntryIndex() == -1 /* intended_as_new_entry */,
3313 GetIndexOfEntry(entry), GetLastCommittedEntryIndex(),
3314 GetEntryCount());
3315 commit_params->post_content_type = post_content_type;
Camille Lamy5193caa2018-10-12 11:59:423316
clamyea99ea12018-05-28 13:54:233317 return NavigationRequest::CreateBrowserInitiated(
Lucas Furukawa Gadania9c45682019-07-31 22:05:143318 frame_tree_node, std::move(common_params), std::move(commit_params),
John Delaney131ad362019-08-08 21:57:413319 !entry->is_renderer_initiated(), entry->extra_headers(), frame_entry,
Camille Lamy5193caa2018-10-12 11:59:423320 entry, request_body, nullptr /* navigation_ui_data */);
clamyea99ea12018-05-28 13:54:233321}
3322
[email protected]d202a7c2012-01-04 07:53:473323void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:213324 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:273325 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:403326
[email protected]2db9bd72012-04-13 20:20:563327 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:403328 // location bar will have up-to-date information about the security style
3329 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:133330 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:403331
[email protected]7f924832014-08-09 05:57:223332 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:573333 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:463334
[email protected]b0f724c2013-09-05 04:21:133335 // TODO(avi): Remove. http://crbug.com/170921
3336 NotificationDetails notification_details =
3337 Details<LoadCommittedDetails>(details);
Aran Gilman37d11632019-10-08 23:07:153338 NotificationService::current()->Notify(NOTIFICATION_NAV_ENTRY_COMMITTED,
3339 Source<NavigationController>(this),
3340 notification_details);
initial.commit09911bf2008-07-26 23:55:293341}
3342
initial.commit09911bf2008-07-26 23:55:293343// static
[email protected]d202a7c2012-01-04 07:53:473344size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:233345 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
Aran Gilman37d11632019-10-08 23:07:153346 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:213347 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:233348}
3349
[email protected]d202a7c2012-01-04 07:53:473350void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:223351 if (is_active && needs_reload_)
3352 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:293353}
3354
[email protected]d202a7c2012-01-04 07:53:473355void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:293356 if (!needs_reload_)
3357 return;
3358
Bo Liucdfa4b12018-11-06 00:21:443359 UMA_HISTOGRAM_ENUMERATION("Navigation.LoadIfNecessaryType",
3360 needs_reload_type_);
3361
initial.commit09911bf2008-07-26 23:55:293362 // Calling Reload() results in ignoring state, and not loading.
3363 // Explicitly use NavigateToPendingEntry so that the renderer uses the
3364 // cached state.
avicc872d7242015-08-19 21:26:343365 if (pending_entry_) {
Dave Tapuska8bfd84c2019-03-26 20:47:163366 NavigateToExistingPendingEntry(ReloadType::NONE,
3367 FrameTreeNode::kFrameTreeNodeInvalidId);
avicc872d7242015-08-19 21:26:343368 } else if (last_committed_entry_index_ != -1) {
arthursonzogni5c4c202d2017-04-25 23:41:273369 pending_entry_ = entries_[last_committed_entry_index_].get();
avicc872d7242015-08-19 21:26:343370 pending_entry_index_ = last_committed_entry_index_;
Dave Tapuska8bfd84c2019-03-26 20:47:163371 NavigateToExistingPendingEntry(ReloadType::NONE,
3372 FrameTreeNode::kFrameTreeNodeInvalidId);
avicc872d7242015-08-19 21:26:343373 } else {
3374 // If there is something to reload, the successful reload will clear the
3375 // |needs_reload_| flag. Otherwise, just do it here.
3376 needs_reload_ = false;
3377 }
initial.commit09911bf2008-07-26 23:55:293378}
3379
Carlos IL42b416592019-10-07 23:10:363380void NavigationControllerImpl::LoadPostCommitErrorPage(
3381 RenderFrameHost* render_frame_host,
3382 const GURL& url,
3383 const std::string& error_page_html,
3384 net::Error error) {
John Delaney131ad362019-08-08 21:57:413385 FrameTreeNode* node =
3386 static_cast<RenderFrameHostImpl*>(render_frame_host)->frame_tree_node();
3387
3388 mojom::CommonNavigationParamsPtr common_params =
3389 CreateCommonNavigationParams();
3390 common_params->url = url;
3391 mojom::CommitNavigationParamsPtr commit_params =
3392 CreateCommitNavigationParams();
3393
3394 std::unique_ptr<NavigationRequest> navigation_request =
3395 NavigationRequest::CreateBrowserInitiated(
3396 node, std::move(common_params), std::move(commit_params),
3397 true /* browser_initiated */, "" /* extra_headers */,
3398 nullptr /* frame_entry */, nullptr /* entry */,
3399 nullptr /* post_body */, nullptr /* navigation_ui_data */);
Carlos IL42b416592019-10-07 23:10:363400 navigation_request->set_post_commit_error_page_html(error_page_html);
John Delaney131ad362019-08-08 21:57:413401 navigation_request->set_net_error(error);
3402 node->CreatedNavigationRequest(std::move(navigation_request));
3403 DCHECK(node->navigation_request());
3404 node->navigation_request()->BeginNavigation();
3405}
3406
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573407void NavigationControllerImpl::NotifyEntryChanged(NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:213408 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:093409 det.changed_entry = entry;
Aran Gilman37d11632019-10-08 23:07:153410 det.index = GetIndexOfEntry(NavigationEntryImpl::FromNavigationEntry(entry));
Sam McNally5c087a32017-08-25 01:46:143411 delegate_->NotifyNavigationEntryChanged(det);
initial.commit09911bf2008-07-26 23:55:293412}
3413
[email protected]d202a7c2012-01-04 07:53:473414void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:363415 RestoreType type) {
[email protected]a26023822011-12-29 00:23:553416 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:363417 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:293418
initial.commit09911bf2008-07-26 23:55:293419 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:293420}
[email protected]765b35502008-08-21 00:51:203421
arthursonzogni69a6a1b2019-09-17 09:23:003422void NavigationControllerImpl::DiscardNonCommittedEntries() {
Michael Thiessen9b14d512019-09-23 21:19:473423 // Avoid sending a notification if there is nothing to discard.
Michael Thiessenc5676d22019-09-25 22:32:103424 // TODO(mthiesse): Temporarily checking failed_pending_entry_id_ to help
3425 // diagnose https://bugs.chromium.org/p/chromium/issues/detail?id=1007570.
3426 if (!pending_entry_ && transient_entry_index_ == -1 &&
3427 failed_pending_entry_id_ == 0) {
Michael Thiessen9b14d512019-09-23 21:19:473428 return;
Michael Thiessenc5676d22019-09-25 22:32:103429 }
3430
avi45a72532015-04-07 21:01:453431 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:483432 DiscardTransientEntry();
arthursonzogni69a6a1b2019-09-17 09:23:003433 if (delegate_)
3434 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]b12eb222013-09-10 00:11:483435}
3436
[email protected]d202a7c2012-01-04 07:53:473437void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473438 if (transient_entry_index_ == -1)
3439 return;
[email protected]a0e69262009-06-03 19:08:483440 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:183441 if (last_committed_entry_index_ > transient_entry_index_)
3442 last_committed_entry_index_--;
arthursonzogni5c4c202d2017-04-25 23:41:273443 if (pending_entry_index_ > transient_entry_index_)
3444 pending_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:473445 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:203446}
3447
avi7c6f35e2015-05-08 17:52:383448int NavigationControllerImpl::GetEntryIndexWithUniqueID(
3449 int nav_entry_id) const {
3450 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
3451 if (entries_[i]->GetUniqueID() == nav_entry_id)
3452 return i;
3453 }
3454 return -1;
3455}
3456
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573457NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473458 if (transient_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:283459 return nullptr;
avif16f85a72015-11-13 18:25:033460 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:473461}
[email protected]e1cd5452010-08-26 18:03:253462
avi25764702015-06-23 15:43:373463void NavigationControllerImpl::SetTransientEntry(
dcheng9bfa5162016-04-09 01:00:573464 std::unique_ptr<NavigationEntry> entry) {
[email protected]0b684262013-02-20 02:18:213465 // Discard any current transient entry, we can only have one at a time.
Piotr Kalinowski2cccb522019-07-09 12:10:513466 DiscardTransientEntry();
[email protected]0b684262013-02-20 02:18:213467 int index = 0;
3468 if (last_committed_entry_index_ != -1)
3469 index = last_committed_entry_index_ + 1;
avi25764702015-06-23 15:43:373470 entries_.insert(entries_.begin() + index,
dcheng36b6aec92015-12-26 06:16:363471 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
arthursonzogni5c4c202d2017-04-25 23:41:273472 if (pending_entry_index_ >= index)
3473 pending_entry_index_++;
[email protected]0b684262013-02-20 02:18:213474 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:223475 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:213476}
3477
[email protected]d202a7c2012-01-04 07:53:473478void NavigationControllerImpl::InsertEntriesFrom(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573479 NavigationControllerImpl* source,
[email protected]e1cd5452010-08-26 18:03:253480 int max_index) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573481 DCHECK_LE(max_index, source->GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:253482 size_t insert_index = 0;
3483 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:353484 // When cloning a tab, copy all entries except interstitial pages.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573485 if (source->entries_[i]->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
creisef4a0cb2015-03-12 19:14:353486 // TODO(creis): Once we start sharing FrameNavigationEntries between
3487 // NavigationEntries, it will not be safe to share them with another tab.
3488 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:253489 entries_.insert(entries_.begin() + insert_index++,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573490 source->entries_[i]->Clone());
[email protected]e1cd5452010-08-26 18:03:253491 }
3492 }
arthursonzogni5c4c202d2017-04-25 23:41:273493 DCHECK(pending_entry_index_ == -1 ||
3494 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
[email protected]e1cd5452010-08-26 18:03:253495}
[email protected]c5b88d82012-10-06 17:03:333496
3497void NavigationControllerImpl::SetGetTimestampCallbackForTest(
Makoto Shimazud2aa2202019-10-09 13:57:183498 const base::RepeatingCallback<base::Time()>& get_timestamp_callback) {
[email protected]c5b88d82012-10-06 17:03:333499 get_timestamp_callback_ = get_timestamp_callback;
3500}
[email protected]8ff00d72012-10-23 19:12:213501
Shivani Sharmaffb32b82019-04-09 16:58:473502// History manipulation intervention:
3503void NavigationControllerImpl::SetShouldSkipOnBackForwardUIIfNeeded(
3504 RenderFrameHostImpl* rfh,
3505 bool replace_entry,
3506 bool previous_document_was_activated,
3507 bool is_renderer_initiated) {
Shivani Sharma712d5d72019-04-16 21:56:453508 // Note that for a subframe, previous_document_was_activated is true if the
3509 // gesture happened in any subframe (propagated to main frame) or in the main
3510 // frame itself.
Shivani Sharma985474f2019-05-23 21:36:473511 // TODO(crbug.com/934637): Remove the check for HadInnerWebContents() when
3512 // pdf and any inner web contents user gesture is properly propagated. This is
3513 // a temporary fix for history intervention to be disabled for pdfs
3514 // (crbug.com/965434).
Shivani Sharmaffb32b82019-04-09 16:58:473515 if (replace_entry || previous_document_was_activated ||
Shivani Sharma985474f2019-05-23 21:36:473516 !is_renderer_initiated || delegate_->HadInnerWebContents()) {
Shivani Sharmaffb32b82019-04-09 16:58:473517 if (last_committed_entry_index_ != -1) {
3518 UMA_HISTOGRAM_BOOLEAN(
3519 "Navigation.BackForward.SetShouldSkipOnBackForwardUI", false);
3520 }
3521 return;
3522 }
3523 if (last_committed_entry_index_ == -1)
3524 return;
3525
Shivani Sharmac4cc8922019-04-18 03:11:173526 SetSkippableForSameDocumentEntries(last_committed_entry_index_, true);
Shivani Sharmaffb32b82019-04-09 16:58:473527 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.SetShouldSkipOnBackForwardUI",
3528 true);
3529
3530 // Log UKM with the URL we are navigating away from. Note that
3531 // GetUkmSourceIdForLastCommittedSource looks into the WebContents to get
3532 // the last committed source. Since WebContents has not yet been updated
3533 // with the current URL being committed, this should give the correct source
3534 // even though |rfh| here belongs to the current navigation.
3535 ukm::SourceId source_id =
3536 rfh->delegate()->GetUkmSourceIdForLastCommittedSource();
3537 ukm::builders::HistoryManipulationIntervention(source_id).Record(
3538 ukm::UkmRecorder::Get());
3539}
3540
Shivani Sharmac4cc8922019-04-18 03:11:173541void NavigationControllerImpl::SetSkippableForSameDocumentEntries(
3542 int reference_index,
3543 bool skippable) {
3544 auto* reference_entry = GetEntryAtIndex(reference_index);
3545 reference_entry->set_should_skip_on_back_forward_ui(skippable);
3546
3547 int64_t document_sequence_number =
3548 reference_entry->root_node()->frame_entry->document_sequence_number();
3549 for (int index = 0; index < GetEntryCount(); index++) {
3550 auto* entry = GetEntryAtIndex(index);
3551 if (entry->root_node()->frame_entry->document_sequence_number() ==
3552 document_sequence_number) {
3553 entry->set_should_skip_on_back_forward_ui(skippable);
3554 }
3555 }
3556}
3557
arthursonzogni66f711c2019-10-08 14:40:363558std::unique_ptr<NavigationControllerImpl::PendingEntryRef>
3559NavigationControllerImpl::ReferencePendingEntry() {
3560 DCHECK(pending_entry_);
3561 auto pending_entry_ref =
3562 std::make_unique<PendingEntryRef>(weak_factory_.GetWeakPtr());
3563 pending_entry_refs_.insert(pending_entry_ref.get());
3564 return pending_entry_ref;
3565}
3566
3567void NavigationControllerImpl::PendingEntryRefDeleted(PendingEntryRef* ref) {
3568 // Ignore refs that don't correspond to the current pending entry.
3569 auto it = pending_entry_refs_.find(ref);
3570 if (it == pending_entry_refs_.end())
3571 return;
3572 pending_entry_refs_.erase(it);
3573
3574 if (!pending_entry_refs_.empty())
3575 return;
3576
3577 // The pending entry may be deleted before the last PendingEntryRef.
3578 if (!pending_entry_)
3579 return;
3580
3581 // We usually clear the pending entry when the matching NavigationRequest
3582 // fails, so that an arbitrary URL isn't left visible above a committed page.
3583 //
3584 // However, we do preserve the pending entry in some cases, such as on the
3585 // initial navigation of an unmodified blank tab. We also allow the delegate
3586 // to say when it's safe to leave aborted URLs in the omnibox, to let the
3587 // user edit the URL and try again. This may be useful in cases that the
3588 // committed page cannot be attacker-controlled. In these cases, we still
3589 // allow the view to clear the pending entry and typed URL if the user
3590 // requests (e.g., hitting Escape with focus in the address bar).
3591 //
3592 // Do not leave the pending entry visible if it has an invalid URL, since this
3593 // might be formatted in an unexpected or unsafe way.
3594 // TODO(creis): Block navigations to invalid URLs in https://crbug.com/850824.
3595 //
3596 // Note: don't touch the transient entry, since an interstitial may exist.
3597 bool should_preserve_entry =
3598 (pending_entry_ == GetVisibleEntry()) &&
3599 pending_entry_->GetURL().is_valid() &&
3600 (IsUnmodifiedBlankTab() || delegate_->ShouldPreserveAbortedURLs());
3601 if (should_preserve_entry)
3602 return;
3603
3604 DiscardPendingEntry(true);
3605 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
3606}
3607
[email protected]8ff00d72012-10-23 19:12:213608} // namespace content