blob: 35a4ebf87f5f23bc273eb3e079f2a2452765dce0 [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
dcheng36b6aec92015-12-26 06:16:3638#include <utility>
39
[email protected]c5b88d82012-10-06 17:03:3340#include "base/bind.h"
[email protected]eabfe1912014-05-12 10:07:2841#include "base/command_line.h"
initial.commit09911bf2008-07-26 23:55:2942#include "base/logging.h"
dcheng9bfa5162016-04-09 01:00:5743#include "base/memory/ptr_util.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_number_conversions.h" // Temporary
46#include "base/strings/string_util.h"
[email protected]74ebfb12013-06-07 20:48:0047#include "base/strings/utf_string_conversions.h"
[email protected]a43858f2013-06-28 15:18:3748#include "base/time/time.h"
ssid3e765612015-01-28 04:03:4249#include "base/trace_event/trace_event.h"
servolkf3955532015-05-16 00:01:5950#include "build/build_config.h"
[email protected]eabfe1912014-05-12 10:07:2851#include "cc/base/switches.h"
jamescookda2505812015-03-20 18:01:1852#include "content/browser/bad_message.h"
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:3953#include "content/browser/blob_storage/chrome_blob_storage_context.h"
[email protected]825b1662012-03-12 19:07:3154#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4155#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0456#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]d4a8ca482013-10-30 21:06:4057#include "content/browser/frame_host/debug_urls.h"
58#include "content/browser/frame_host/interstitial_page_impl.h"
59#include "content/browser/frame_host/navigation_entry_impl.h"
csharrison9a9142bc42016-03-01 17:24:0460#include "content/browser/frame_host/navigation_handle_impl.h"
creis4e2ecb72015-06-20 00:46:3061#include "content/browser/frame_host/navigator.h"
[email protected]b3c41c0b2012-03-06 15:48:3262#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary
[email protected]b6583592012-01-25 19:52:3363#include "content/browser/site_instance_impl.h"
Camille Lamy5193caa2018-10-12 11:59:4264#include "content/common/content_constants_internal.h"
[email protected]37567b432014-02-12 01:12:2265#include "content/common/frame_messages.h"
[email protected]0aed2f52011-03-23 18:06:3666#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1167#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1968#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4669#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0070#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3871#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1672#include "content/public/browser/notification_types.h"
[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"
clamy7fced7b2017-11-16 19:52:4380#include "content/public/common/url_utils.h"
servolkf3955532015-05-16 00:01:5981#include "media/base/mime_util.h"
[email protected]a23de8572009-06-03 02:16:3282#include "net/base/escape.h"
Arthur Sonzogni620cec62018-12-13 13:08:5783#include "net/http/http_status_code.h"
Shivani Sharma93329102019-01-24 19:44:1884#include "services/metrics/public/cpp/ukm_builders.h"
85#include "services/metrics/public/cpp/ukm_recorder.h"
[email protected]9677a3c2012-12-22 04:18:5886#include "skia/ext/platform_canvas.h"
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:3987#include "third_party/blink/public/common/blob/blob_utils.h"
Blink Reformata30d4232018-04-07 15:31:0688#include "third_party/blink/public/common/mime_util/mime_util.h"
[email protected]cca6f392014-05-28 21:32:2689#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2990
[email protected]8ff00d72012-10-23 19:12:2191namespace content {
[email protected]e9ba4472008-09-14 15:42:4392namespace {
93
94// Invoked when entries have been pruned, or removed. For example, if the
95// current entries are [google, digg, yahoo], with the current entry google,
96// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4797void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
Shivani Sharmab9c46de82019-02-08 16:54:5098 int index,
[email protected]c12bf1a12008-09-17 16:28:4999 int count) {
[email protected]8ff00d72012-10-23 19:12:21100 PrunedDetails details;
Shivani Sharmab9c46de82019-02-08 16:54:50101 details.index = index;
[email protected]c12bf1a12008-09-17 16:28:49102 details.count = count;
Sam McNally5c087a32017-08-25 01:46:14103 nav_controller->delegate()->NotifyNavigationListPruned(details);
[email protected]e9ba4472008-09-14 15:42:43104}
105
106// Ensure the given NavigationEntry has a valid state, so that WebKit does not
107// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:39108//
[email protected]e9ba4472008-09-14 15:42:43109// An empty state is treated as a new navigation by WebKit, which would mean
110// losing the navigation entries and generating a new navigation entry after
111// this one. We don't want that. To avoid this we create a valid state which
112// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:04113void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
114 if (!entry->GetPageState().IsValid())
115 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:43116}
117
118// Configure all the NavigationEntries in entries for restore. This resets
119// the transition type to reload and makes sure the content state isn't empty.
120void ConfigureEntriesForRestore(
dcheng9bfa5162016-04-09 01:00:57121 std::vector<std::unique_ptr<NavigationEntryImpl>>* entries,
toyoshim0df1d3a2016-09-09 09:52:48122 RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:43123 for (size_t i = 0; i < entries->size(); ++i) {
124 // Use a transition type of reload so that we don't incorrectly increase
125 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35126 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
toyoshim0df1d3a2016-09-09 09:52:48127 (*entries)[i]->set_restore_type(type);
[email protected]e9ba4472008-09-14 15:42:43128 // NOTE(darin): This code is only needed for backwards compat.
avif16f85a72015-11-13 18:25:03129 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43130 }
131}
132
[email protected]bf70edce2012-06-20 22:32:22133// Determines whether or not we should be carrying over a user agent override
134// between two NavigationEntries.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57135bool ShouldKeepOverride(NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22136 return last_entry && last_entry->GetIsOverridingUserAgent();
137}
138
Camille Lamy5193caa2018-10-12 11:59:42139// Determines whether to override user agent for a navigation.
140bool ShouldOverrideUserAgent(
141 NavigationController::UserAgentOverrideOption override_user_agent,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57142 NavigationEntry* last_committed_entry) {
Camille Lamy5193caa2018-10-12 11:59:42143 switch (override_user_agent) {
144 case NavigationController::UA_OVERRIDE_INHERIT:
145 return ShouldKeepOverride(last_committed_entry);
146 case NavigationController::UA_OVERRIDE_TRUE:
147 return true;
148 case NavigationController::UA_OVERRIDE_FALSE:
149 return false;
150 default:
151 break;
152 }
153 NOTREACHED();
154 return false;
155}
156
clamy0a656e42018-02-06 18:18:28157// Returns true this navigation should be treated as a reload. For e.g.
158// navigating to the last committed url via the address bar or clicking on a
159// link which results in a navigation to the last committed or pending
160// navigation, etc.
161// |url|, |virtual_url|, |base_url_for_data_url|, |transition_type| correspond
162// to the new navigation (i.e. the pending NavigationEntry).
163// |last_committed_entry| is the last navigation that committed.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57164bool ShouldTreatNavigationAsReload(const GURL& url,
165 const GURL& virtual_url,
166 const GURL& base_url_for_data_url,
167 ui::PageTransition transition_type,
168 bool is_main_frame,
169 bool is_post,
170 bool is_reload,
171 bool is_navigation_to_existing_entry,
172 bool has_interstitial,
173 NavigationEntryImpl* last_committed_entry) {
clamy0a656e42018-02-06 18:18:28174 // Don't convert when an interstitial is showing.
175 if (has_interstitial)
176 return false;
177
178 // Only convert main frame navigations to a new entry.
179 if (!is_main_frame || is_reload || is_navigation_to_existing_entry)
180 return false;
181
182 // Only convert to reload if at least one navigation committed.
183 if (!last_committed_entry)
ananta3bdd8ae2016-12-22 17:11:55184 return false;
185
arthursonzogni7a8243682017-12-14 16:41:42186 // Skip navigations initiated by external applications.
clamy0a656e42018-02-06 18:18:28187 if (transition_type & ui::PAGE_TRANSITION_FROM_API)
arthursonzogni7a8243682017-12-14 16:41:42188 return false;
189
ananta3bdd8ae2016-12-22 17:11:55190 // We treat (PAGE_TRANSITION_RELOAD | PAGE_TRANSITION_FROM_ADDRESS_BAR),
191 // PAGE_TRANSITION_TYPED or PAGE_TRANSITION_LINK transitions as navigations
192 // which should be treated as reloads.
clamy0a656e42018-02-06 18:18:28193 bool transition_type_can_be_converted = false;
194 if (ui::PageTransitionCoreTypeIs(transition_type,
195 ui::PAGE_TRANSITION_RELOAD) &&
196 (transition_type & ui::PAGE_TRANSITION_FROM_ADDRESS_BAR)) {
197 transition_type_can_be_converted = true;
ananta3bdd8ae2016-12-22 17:11:55198 }
clamy0a656e42018-02-06 18:18:28199 if (ui::PageTransitionCoreTypeIs(transition_type,
ananta3bdd8ae2016-12-22 17:11:55200 ui::PAGE_TRANSITION_TYPED)) {
clamy0a656e42018-02-06 18:18:28201 transition_type_can_be_converted = true;
202 }
203 if (ui::PageTransitionCoreTypeIs(transition_type, ui::PAGE_TRANSITION_LINK))
204 transition_type_can_be_converted = true;
205 if (!transition_type_can_be_converted)
206 return false;
207
208 // This check is required for cases like view-source:, etc. Here the URL of
209 // the navigation entry would contain the url of the page, while the virtual
210 // URL contains the full URL including the view-source prefix.
211 if (virtual_url != last_committed_entry->GetVirtualURL())
212 return false;
213
214 // Check that the URL match.
215 if (url != last_committed_entry->GetURL())
216 return false;
217
218 // This check is required for Android WebView loadDataWithBaseURL. Apps
219 // can pass in anything in the base URL and we need to ensure that these
220 // match before classifying it as a reload.
221 if (url.SchemeIs(url::kDataScheme) && base_url_for_data_url.is_valid()) {
222 if (base_url_for_data_url != last_committed_entry->GetBaseURLForDataURL())
223 return false;
ananta3bdd8ae2016-12-22 17:11:55224 }
225
clamy0a656e42018-02-06 18:18:28226 // Skip entries with SSL errors.
227 if (last_committed_entry->ssl_error())
228 return false;
229
230 // Don't convert to a reload when the last navigation was a POST or the new
231 // navigation is a POST.
232 if (last_committed_entry->GetHasPostData() || is_post)
233 return false;
234
235 return true;
ananta3bdd8ae2016-12-22 17:11:55236}
237
Nasko Oskov03912102019-01-11 00:21:32238bool DoesURLMatchOriginForNavigation(
239 const GURL& url,
240 const base::Optional<url::Origin>& origin) {
241 // If there is no origin supplied there is nothing to match. This can happen
242 // for navigations to a pending entry and therefore it should be allowed.
243 if (!origin)
244 return true;
245
246 return origin->CanBeDerivedFrom(url);
247}
248
249base::Optional<url::Origin> GetCommittedOriginForFrameEntry(
250 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
251 // Error pages commit in an opaque origin, yet have the real URL that resulted
252 // in an error as the |params.url|. Since successful reload of an error page
253 // should commit in the correct origin, setting the opaque origin on the
254 // FrameNavigationEntry will be incorrect.
255 if (params.url_is_unreachable)
256 return base::nullopt;
257
258 return base::make_optional(params.origin);
259}
260
Camille Lamy5193caa2018-10-12 11:59:42261bool IsValidURLForNavigation(bool is_main_frame,
262 const GURL& virtual_url,
263 const GURL& dest_url) {
264 // Don't attempt to navigate if the virtual URL is non-empty and invalid.
265 if (is_main_frame && !virtual_url.is_valid() && !virtual_url.is_empty()) {
266 LOG(WARNING) << "Refusing to load for invalid virtual URL: "
267 << virtual_url.possibly_invalid_spec();
268 return false;
269 }
270
271 // Don't attempt to navigate to non-empty invalid URLs.
272 if (!dest_url.is_valid() && !dest_url.is_empty()) {
273 LOG(WARNING) << "Refusing to load invalid URL: "
274 << dest_url.possibly_invalid_spec();
275 return false;
276 }
277
278 // The renderer will reject IPC messages with URLs longer than
279 // this limit, so don't attempt to navigate with a longer URL.
280 if (dest_url.spec().size() > url::kMaxURLChars) {
281 LOG(WARNING) << "Refusing to load URL as it exceeds " << url::kMaxURLChars
282 << " characters.";
283 return false;
284 }
285
286 return true;
287}
288
Mikel Astizba9cf2fd2017-12-17 10:38:10289// See replaced_navigation_entry_data.h for details: this information is meant
290// to ensure |*output_entry| keeps track of its original URL (landing page in
291// case of server redirects) as it gets replaced (e.g. history.replaceState()),
292// without overwriting it later, for main frames.
293void CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57294 NavigationEntryImpl* replaced_entry,
Mikel Astizba9cf2fd2017-12-17 10:38:10295 NavigationEntryImpl* output_entry) {
296 if (output_entry->GetReplacedEntryData().has_value())
297 return;
298
299 ReplacedNavigationEntryData data;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57300 data.first_committed_url = replaced_entry->GetURL();
301 data.first_timestamp = replaced_entry->GetTimestamp();
302 data.first_transition_type = replaced_entry->GetTransitionType();
Charlie Reisb55438f2019-01-08 01:54:29303 output_entry->set_replaced_entry_data(data);
Mikel Astizba9cf2fd2017-12-17 10:38:10304}
305
clamyea99ea12018-05-28 13:54:23306FrameMsg_Navigate_Type::Value GetNavigationType(
307 const GURL& old_url,
308 const GURL& new_url,
309 ReloadType reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57310 NavigationEntryImpl* entry,
clamyea99ea12018-05-28 13:54:23311 const FrameNavigationEntry& frame_entry,
312 bool is_same_document_history_load) {
313 // Reload navigations
314 switch (reload_type) {
315 case ReloadType::NORMAL:
316 return FrameMsg_Navigate_Type::RELOAD;
317 case ReloadType::BYPASSING_CACHE:
clamyea99ea12018-05-28 13:54:23318 return FrameMsg_Navigate_Type::RELOAD_BYPASSING_CACHE;
319 case ReloadType::ORIGINAL_REQUEST_URL:
320 return FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
321 case ReloadType::NONE:
322 break; // Fall through to rest of function.
323 }
324
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57325 if (entry->restore_type() == RestoreType::LAST_SESSION_EXITED_CLEANLY) {
326 if (entry->GetHasPostData())
clamyea99ea12018-05-28 13:54:23327 return FrameMsg_Navigate_Type::RESTORE_WITH_POST;
328 else
329 return FrameMsg_Navigate_Type::RESTORE;
330 }
331
332 // History navigations.
333 if (frame_entry.page_state().IsValid()) {
334 if (is_same_document_history_load)
335 return FrameMsg_Navigate_Type::HISTORY_SAME_DOCUMENT;
336 else
337 return FrameMsg_Navigate_Type::HISTORY_DIFFERENT_DOCUMENT;
338 }
339 DCHECK(!is_same_document_history_load);
340
341 // A same-document fragment-navigation happens when the only part of the url
342 // that is modified is after the '#' character.
343 //
344 // When modifying this condition, please take a look at:
345 // FrameLoader::shouldPerformFragmentNavigation.
346 //
347 // Note: this check is only valid for navigations that are not history
348 // navigations. For instance, if the history is: 'A#bar' -> 'B' -> 'A#foo', a
349 // history navigation from 'A#foo' to 'A#bar' is not a same-document
350 // navigation, but a different-document one. This is why history navigation
351 // are classified before this check.
352 if (new_url.has_ref() && old_url.EqualsIgnoringRef(new_url) &&
353 frame_entry.method() == "GET") {
354 return FrameMsg_Navigate_Type::SAME_DOCUMENT;
355 } else {
356 return FrameMsg_Navigate_Type::DIFFERENT_DOCUMENT;
357 }
358}
359
Camille Lamy5193caa2018-10-12 11:59:42360// Adjusts the original input URL if needed, to get the URL to actually load and
361// the virtual URL, which may differ.
362void RewriteUrlForNavigation(const GURL& original_url,
363 BrowserContext* browser_context,
364 GURL* url_to_load,
365 GURL* virtual_url,
366 bool* reverse_on_redirect) {
367 // Fix up the given URL before letting it be rewritten, so that any minor
368 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
369 *virtual_url = original_url;
370 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(virtual_url,
371 browser_context);
372
373 // Allow the browser URL handler to rewrite the URL. This will, for example,
374 // remove "view-source:" from the beginning of the URL to get the URL that
375 // will actually be loaded. This real URL won't be shown to the user, just
376 // used internally.
377 *url_to_load = *virtual_url;
378 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
379 url_to_load, browser_context, reverse_on_redirect);
380}
381
382#if DCHECK_IS_ON()
383// Helper sanity check function used in debug mode.
384void ValidateRequestMatchesEntry(NavigationRequest* request,
385 NavigationEntryImpl* entry) {
386 if (request->frame_tree_node()->IsMainFrame()) {
387 DCHECK_EQ(request->browser_initiated(), !entry->is_renderer_initiated());
388 DCHECK(ui::PageTransitionTypeIncludingQualifiersIs(
389 request->common_params().transition, entry->GetTransitionType()));
390 }
391 DCHECK_EQ(request->common_params().should_replace_current_entry,
392 entry->should_replace_entry());
Nasko Oskovc36327d2019-01-03 23:23:04393 DCHECK_EQ(request->commit_params().should_clear_history_list,
Camille Lamy5193caa2018-10-12 11:59:42394 entry->should_clear_history_list());
395 DCHECK_EQ(request->common_params().has_user_gesture,
396 entry->has_user_gesture());
397 DCHECK_EQ(request->common_params().base_url_for_data_url,
398 entry->GetBaseURLForDataURL());
Nasko Oskovc36327d2019-01-03 23:23:04399 DCHECK_EQ(request->commit_params().can_load_local_resources,
Camille Lamy5193caa2018-10-12 11:59:42400 entry->GetCanLoadLocalResources());
401 DCHECK_EQ(request->common_params().started_from_context_menu,
402 entry->has_started_from_context_menu());
403
404 FrameNavigationEntry* frame_entry =
405 entry->GetFrameEntry(request->frame_tree_node());
406 if (!frame_entry) {
407 NOTREACHED();
408 return;
409 }
410
411 DCHECK_EQ(request->common_params().url, frame_entry->url());
412 DCHECK_EQ(request->common_params().method, frame_entry->method());
413
Nasko Oskovc36327d2019-01-03 23:23:04414 size_t redirect_size = request->commit_params().redirects.size();
Camille Lamy5193caa2018-10-12 11:59:42415 if (redirect_size == frame_entry->redirect_chain().size()) {
416 for (size_t i = 0; i < redirect_size; ++i) {
Nasko Oskovc36327d2019-01-03 23:23:04417 DCHECK_EQ(request->commit_params().redirects[i],
Camille Lamy5193caa2018-10-12 11:59:42418 frame_entry->redirect_chain()[i]);
419 }
420 } else {
421 NOTREACHED();
422 }
423}
424#endif // DCHECK_IS_ON()
425
Shivani Sharma194877032019-03-07 17:52:47426// Resets |should_skip_on_back_forward_ui| flag for |entry| if it has a frame
427// entry for |root_frame| with the same document sequence number as
428// |document_sequence_number|.
429bool ResetSkippableForSameDocumentEntry(FrameTreeNode* root_frame,
430 int64_t& document_sequence_number,
431 NavigationEntryImpl* entry) {
432 if (entry && entry->should_skip_on_back_forward_ui()) {
433 auto* frame_entry = entry->GetFrameEntry(root_frame);
434 if (frame_entry &&
435 frame_entry->document_sequence_number() == document_sequence_number) {
436 entry->set_should_skip_on_back_forward_ui(false);
437 return true;
438 }
439 }
440 return false;
441}
442
Dave Tapuska8bfd84c2019-03-26 20:47:16443// Returns whether the session history NavigationRequests in |navigations|
444// would stay within the subtree of the sandboxed iframe in
445// |sandbox_frame_tree_node_id|.
446bool DoesSandboxNavigationStayWithinSubtree(
447 int sandbox_frame_tree_node_id,
448 const std::vector<std::unique_ptr<NavigationRequest>>& navigations) {
449 for (auto& item : navigations) {
450 bool within_subtree = false;
451 // Check whether this NavigationRequest affects a frame within the
452 // sandboxed frame's subtree by walking up the tree looking for the
453 // sandboxed frame.
454 for (auto* frame = item->frame_tree_node(); frame;
455 frame = frame->parent()) {
456 if (frame->frame_tree_node_id() == sandbox_frame_tree_node_id) {
457 within_subtree = true;
458 break;
459 }
460 }
461 if (!within_subtree)
462 return false;
463 }
464 return true;
465}
466
[email protected]e9ba4472008-09-14 15:42:43467} // namespace
468
[email protected]d202a7c2012-01-04 07:53:47469// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29470
[email protected]23a918b2014-07-15 09:51:36471const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23472
[email protected]765b35502008-08-21 00:51:20473// static
[email protected]d202a7c2012-01-04 07:53:47474size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23475 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20476
[email protected]e6fec472013-05-14 05:29:02477// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20478// when testing.
479static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29480
[email protected]71fde352011-12-29 03:29:56481// static
dcheng9bfa5162016-04-09 01:00:57482std::unique_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
483 const GURL& url,
484 const Referrer& referrer,
485 ui::PageTransition transition,
486 bool is_renderer_initiated,
487 const std::string& extra_headers,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:09488 BrowserContext* browser_context,
489 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
Camille Lamy5193caa2018-10-12 11:59:42490 GURL url_to_load;
491 GURL virtual_url;
[email protected]71fde352011-12-29 03:29:56492 bool reverse_on_redirect = false;
Camille Lamy5193caa2018-10-12 11:59:42493 RewriteUrlForNavigation(url, browser_context, &url_to_load, &virtual_url,
494 &reverse_on_redirect);
[email protected]71fde352011-12-29 03:29:56495
496 NavigationEntryImpl* entry = new NavigationEntryImpl(
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28497 nullptr, // The site instance for tabs is sent on navigation
498 // (WebContents::GetSiteInstance).
Camille Lamy5193caa2018-10-12 11:59:42499 url_to_load, referrer, base::string16(), transition,
500 is_renderer_initiated, blob_url_loader_factory);
501 entry->SetVirtualURL(virtual_url);
502 entry->set_user_typed_url(virtual_url);
[email protected]71fde352011-12-29 03:29:56503 entry->set_update_virtual_url_with_url(reverse_on_redirect);
504 entry->set_extra_headers(extra_headers);
dcheng9bfa5162016-04-09 01:00:57505 return base::WrapUnique(entry);
[email protected]71fde352011-12-29 03:29:56506}
507
[email protected]cdcb1dee2012-01-04 00:46:20508// static
509void NavigationController::DisablePromptOnRepost() {
510 g_check_for_repost = false;
511}
512
[email protected]c5b88d82012-10-06 17:03:33513base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
514 base::Time t) {
515 // If |t| is between the water marks, we're in a run of duplicates
516 // or just getting out of it, so increase the high-water mark to get
517 // a time that probably hasn't been used before and return it.
518 if (low_water_mark_ <= t && t <= high_water_mark_) {
519 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
520 return high_water_mark_;
521 }
522
523 // Otherwise, we're clear of the last duplicate run, so reset the
524 // water marks.
525 low_water_mark_ = high_water_mark_ = t;
526 return t;
527}
528
[email protected]d202a7c2012-01-04 07:53:47529NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57530 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19531 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37532 : browser_context_(browser_context),
ananta3bdd8ae2016-12-22 17:11:55533 pending_entry_(nullptr),
avi45a72532015-04-07 21:01:45534 failed_pending_entry_id_(0),
[email protected]765b35502008-08-21 00:51:20535 last_committed_entry_index_(-1),
536 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47537 transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57538 delegate_(delegate),
[email protected]69e797f2013-04-30 01:10:22539 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57540 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09541 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28542 in_navigate_to_pending_entry_(false),
toyoshim0df1d3a2016-09-09 09:52:48543 pending_reload_(ReloadType::NONE),
[email protected]8cea7892013-02-06 06:49:31544 get_timestamp_callback_(base::Bind(&base::Time::Now)),
toyoshima63c2a62016-09-29 09:03:26545 last_committed_reload_type_(ReloadType::NONE) {
[email protected]3d7474ff2011-07-27 17:47:37546 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29547}
548
[email protected]d202a7c2012-01-04 07:53:47549NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47550 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29551}
552
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57553WebContents* NavigationControllerImpl::GetWebContents() {
[email protected]ec6c05f2013-10-23 18:41:57554 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32555}
556
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57557BrowserContext* NavigationControllerImpl::GetBrowserContext() {
[email protected]a26023822011-12-29 00:23:55558 return browser_context_;
559}
560
[email protected]d202a7c2012-01-04 07:53:47561void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30562 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36563 RestoreType type,
dcheng9bfa5162016-04-09 01:00:57564 std::vector<std::unique_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57565 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55566 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57567 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14568 selected_navigation < static_cast<int>(entries->size()));
arthursonzogni5c4c202d2017-04-25 23:41:27569 DCHECK_EQ(-1, pending_entry_index_);
[email protected]ce3fa3c2009-04-20 19:55:57570
[email protected]ce3fa3c2009-04-20 19:55:57571 needs_reload_ = true;
Bo Liucdfa4b12018-11-06 00:21:44572 needs_reload_type_ = NeedsReloadType::kRestoreSession;
avif16f85a72015-11-13 18:25:03573 entries_.reserve(entries->size());
574 for (auto& entry : *entries)
dcheng36b6aec92015-12-26 06:16:36575 entries_.push_back(
576 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
avif16f85a72015-11-13 18:25:03577
578 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
579 // cleared out safely.
580 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57581
582 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36583 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57584}
585
toyoshim6142d96f2016-12-19 09:07:25586void NavigationControllerImpl::Reload(ReloadType reload_type,
587 bool check_for_repost) {
liaoyuke9168fba2017-03-10 19:20:28588 DCHECK_NE(ReloadType::NONE, reload_type);
589
[email protected]669e0ba2012-08-30 23:57:36590 if (transient_entry_index_ != -1) {
591 // If an interstitial is showing, treat a reload as a navigation to the
592 // transient entry's URL.
creis3da03872015-02-20 21:12:32593 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27594 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36595 return;
[email protected]6286a3792013-10-09 04:03:27596 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21597 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35598 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27599 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47600 return;
[email protected]669e0ba2012-08-30 23:57:36601 }
[email protected]cbab76d2008-10-13 22:42:47602
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28603 NavigationEntryImpl* entry = nullptr;
[email protected]59167c22013-06-03 18:07:32604 int current_index = -1;
605
606 // If we are reloading the initial navigation, just use the current
607 // pending entry. Otherwise look up the current entry.
608 if (IsInitialNavigation() && pending_entry_) {
609 entry = pending_entry_;
610 // The pending entry might be in entries_ (e.g., after a Clone), so we
611 // should also update the current_index.
612 current_index = pending_entry_index_;
613 } else {
614 DiscardNonCommittedEntriesInternal();
615 current_index = GetCurrentEntryIndex();
616 if (current_index != -1) {
creis3da03872015-02-20 21:12:32617 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32618 }
[email protected]979a4bc2013-04-24 01:27:15619 }
[email protected]241db352013-04-22 18:04:05620
[email protected]59167c22013-06-03 18:07:32621 // If we are no where, then we can't reload. TODO(darin): We should add a
622 // CanReload method.
623 if (!entry)
624 return;
625
toyoshima63c2a62016-09-29 09:03:26626 // Check if previous navigation was a reload to track consecutive reload
627 // operations.
628 if (last_committed_reload_type_ != ReloadType::NONE) {
629 DCHECK(!last_committed_reload_time_.is_null());
630 base::Time now =
631 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
632 DCHECK_GT(now, last_committed_reload_time_);
633 if (!last_committed_reload_time_.is_null() &&
634 now > last_committed_reload_time_) {
635 base::TimeDelta delta = now - last_committed_reload_time_;
636 UMA_HISTOGRAM_MEDIUM_TIMES("Navigation.Reload.ReloadToReloadDuration",
637 delta);
toyoshimb0d4eed32016-12-09 06:03:04638 if (last_committed_reload_type_ == ReloadType::NORMAL) {
toyoshima63c2a62016-09-29 09:03:26639 UMA_HISTOGRAM_MEDIUM_TIMES(
640 "Navigation.Reload.ReloadMainResourceToReloadDuration", delta);
641 }
642 }
643 }
644
645 // Set ReloadType for |entry| in order to check it at commit time.
646 entry->set_reload_type(reload_type);
647
[email protected]cdcb1dee2012-01-04 00:46:20648 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32649 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30650 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07651 // they really want to do this. If they do, the dialog will call us back
652 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57653 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02654
[email protected]106a0812010-03-18 00:15:12655 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57656 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29657 } else {
[email protected]59167c22013-06-03 18:07:32658 if (!IsInitialNavigation())
659 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26660
Nasko Oskovaee2f862018-06-15 00:05:52661 pending_entry_ = entry;
662 pending_entry_index_ = current_index;
663 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22664
Dave Tapuska8bfd84c2019-03-26 20:47:16665 NavigateToExistingPendingEntry(reload_type,
666 FrameTreeNode::kFrameTreeNodeInvalidId);
initial.commit09911bf2008-07-26 23:55:29667 }
668}
669
[email protected]d202a7c2012-01-04 07:53:47670void NavigationControllerImpl::CancelPendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48671 DCHECK(pending_reload_ != ReloadType::NONE);
672 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12673}
674
[email protected]d202a7c2012-01-04 07:53:47675void NavigationControllerImpl::ContinuePendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48676 if (pending_reload_ == ReloadType::NONE) {
[email protected]106a0812010-03-18 00:15:12677 NOTREACHED();
678 } else {
toyoshim6142d96f2016-12-19 09:07:25679 Reload(pending_reload_, false);
toyoshim0df1d3a2016-09-09 09:52:48680 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12681 }
682}
683
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57684bool NavigationControllerImpl::IsInitialNavigation() {
[email protected]27ba81c2012-08-21 17:04:09685 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11686}
687
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57688bool NavigationControllerImpl::IsInitialBlankNavigation() {
creis10a4ab72015-10-13 17:22:40689 // TODO(creis): Once we create a NavigationEntry for the initial blank page,
toyoshim0df1d3a2016-09-09 09:52:48690 // we'll need to check for entry count 1 and restore_type NONE (to exclude
691 // the cloned tab case).
creis10a4ab72015-10-13 17:22:40692 return IsInitialNavigation() && GetEntryCount() == 0;
693}
694
avi254eff02015-07-01 08:27:58695NavigationEntryImpl*
696NavigationControllerImpl::GetEntryWithUniqueID(int nav_entry_id) const {
697 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03698 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58699}
700
avi25764702015-06-23 15:43:37701void NavigationControllerImpl::SetPendingEntry(
dcheng9bfa5162016-04-09 01:00:57702 std::unique_ptr<NavigationEntryImpl> entry) {
[email protected]cbab76d2008-10-13 22:42:47703 DiscardNonCommittedEntriesInternal();
avi25764702015-06-23 15:43:37704 pending_entry_ = entry.release();
arthursonzogni5c4c202d2017-04-25 23:41:27705 DCHECK_EQ(-1, pending_entry_index_);
[email protected]8ff00d72012-10-23 19:12:21706 NotificationService::current()->Notify(
707 NOTIFICATION_NAV_ENTRY_PENDING,
708 Source<NavigationController>(this),
avi25764702015-06-23 15:43:37709 Details<NavigationEntry>(pending_entry_));
[email protected]765b35502008-08-21 00:51:20710}
711
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57712NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() {
[email protected]cbab76d2008-10-13 22:42:47713 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03714 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:47715 if (pending_entry_)
716 return pending_entry_;
717 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20718}
719
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57720NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() {
[email protected]867e1f92011-08-30 19:01:19721 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03722 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32723 // The pending entry is safe to return for new (non-history), browser-
724 // initiated navigations. Most renderer-initiated navigations should not
725 // show the pending entry, to prevent URL spoof attacks.
726 //
727 // We make an exception for renderer-initiated navigations in new tabs, as
728 // long as no other page has tried to access the initial empty document in
729 // the new tab. If another page modifies this blank page, a URL spoof is
730 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32731 bool safe_to_show_pending =
732 pending_entry_ &&
733 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09734 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32735 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46736 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32737
738 // Also allow showing the pending entry for history navigations in a new tab,
739 // such as Ctrl+Back. In this case, no existing page is visible and no one
740 // can script the new tab before it commits.
741 if (!safe_to_show_pending &&
742 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09743 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32744 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34745 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32746 safe_to_show_pending = true;
747
748 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19749 return pending_entry_;
750 return GetLastCommittedEntry();
751}
752
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57753int NavigationControllerImpl::GetCurrentEntryIndex() {
[email protected]cbab76d2008-10-13 22:42:47754 if (transient_entry_index_ != -1)
755 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20756 if (pending_entry_index_ != -1)
757 return pending_entry_index_;
758 return last_committed_entry_index_;
759}
760
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57761NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() {
[email protected]765b35502008-08-21 00:51:20762 if (last_committed_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28763 return nullptr;
avif16f85a72015-11-13 18:25:03764 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20765}
766
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57767bool NavigationControllerImpl::CanViewSource() {
[email protected]ec6c05f2013-10-23 18:41:57768 const std::string& mime_type = delegate_->GetContentsMimeType();
Kinuko Yasuda74702f92017-07-31 03:27:53769 bool is_viewable_mime_type = blink::IsSupportedNonImageMimeType(mime_type) &&
770 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27771 NavigationEntry* visible_entry = GetVisibleEntry();
772 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57773 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16774}
775
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57776int NavigationControllerImpl::GetLastCommittedEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:27777 // The last committed entry index must always be less than the number of
778 // entries. If there are no entries, it must be -1. However, there may be a
779 // transient entry while the last committed entry index is still -1.
780 DCHECK_LT(last_committed_entry_index_, GetEntryCount());
781 DCHECK(GetEntryCount() || last_committed_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:55782 return last_committed_entry_index_;
783}
784
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57785int NavigationControllerImpl::GetEntryCount() {
arthursonzogni5c4c202d2017-04-25 23:41:27786 DCHECK_LE(entries_.size(), max_entry_count());
[email protected]a26023822011-12-29 00:23:55787 return static_cast<int>(entries_.size());
788}
789
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57790NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(int index) {
avi25764702015-06-23 15:43:37791 if (index < 0 || index >= GetEntryCount())
792 return nullptr;
793
avif16f85a72015-11-13 18:25:03794 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25795}
796
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57797NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(int offset) {
avi057ce1492015-06-29 15:59:47798 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20799}
800
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57801int NavigationControllerImpl::GetIndexForOffset(int offset) {
[email protected]7bc2b032012-12-19 22:45:46802 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03803}
804
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57805bool NavigationControllerImpl::CanGoBack() {
Shivani Sharma298d12852019-01-22 20:04:03806 if (!base::FeatureList::IsEnabled(features::kHistoryManipulationIntervention))
807 return CanGoToOffset(-1);
808
809 for (int index = GetIndexForOffset(-1); index >= 0; index--) {
810 if (!GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
811 return true;
812 }
813 return false;
[email protected]765b35502008-08-21 00:51:20814}
815
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57816bool NavigationControllerImpl::CanGoForward() {
avi56e40c92015-08-27 00:11:22817 return CanGoToOffset(1);
[email protected]765b35502008-08-21 00:51:20818}
819
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57820bool NavigationControllerImpl::CanGoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03821 int index = GetIndexForOffset(offset);
822 return index >= 0 && index < GetEntryCount();
823}
824
[email protected]d202a7c2012-01-04 07:53:47825void NavigationControllerImpl::GoBack() {
shivanisha55201872018-12-13 04:29:06826 int target_index = GetIndexForOffset(-1);
827
828 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16829 // back button and move the target index past the skippable entries, if
830 // history intervention is enabled.
shivanisha55201872018-12-13 04:29:06831 int count_entries_skipped = 0;
Shivani Sharma298d12852019-01-22 20:04:03832 bool all_skippable_entries = true;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16833 bool history_intervention_enabled = base::FeatureList::IsEnabled(
834 features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06835 for (int index = target_index; index >= 0; index--) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16836 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06837 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16838 } else {
839 if (history_intervention_enabled)
840 target_index = index;
Shivani Sharma298d12852019-01-22 20:04:03841 all_skippable_entries = false;
shivanisha55201872018-12-13 04:29:06842 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16843 }
shivanisha55201872018-12-13 04:29:06844 }
845 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.BackTargetSkipped",
846 count_entries_skipped, kMaxSessionHistoryEntries);
Shivani Sharma298d12852019-01-22 20:04:03847 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.AllBackTargetsSkippable",
848 all_skippable_entries);
849
850 // Do nothing if all entries are skippable. Normally this path would not
851 // happen as consumers would have already checked it in CanGoBack but a lot of
852 // tests do not do that.
853 if (history_intervention_enabled && all_skippable_entries)
854 return;
shivanisha55201872018-12-13 04:29:06855
shivanisha55201872018-12-13 04:29:06856 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20857}
858
[email protected]d202a7c2012-01-04 07:53:47859void NavigationControllerImpl::GoForward() {
shivanisha55201872018-12-13 04:29:06860 int target_index = GetIndexForOffset(1);
861
862 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16863 // forward button and move the target index past the skippable entries, if
864 // history intervention is enabled.
865 // Note that at least one entry (the last one) will be non-skippable since
866 // entries are marked skippable only when they add another entry because of
867 // redirect or pushState.
shivanisha55201872018-12-13 04:29:06868 int count_entries_skipped = 0;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16869 bool history_intervention_enabled = base::FeatureList::IsEnabled(
870 features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06871 for (size_t index = target_index; index < entries_.size(); index++) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16872 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06873 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16874 } else {
875 if (history_intervention_enabled)
876 target_index = index;
shivanisha55201872018-12-13 04:29:06877 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16878 }
shivanisha55201872018-12-13 04:29:06879 }
880 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.ForwardTargetSkipped",
881 count_entries_skipped, kMaxSessionHistoryEntries);
882
shivanisha55201872018-12-13 04:29:06883 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20884}
885
[email protected]d202a7c2012-01-04 07:53:47886void NavigationControllerImpl::GoToIndex(int index) {
Dave Tapuska8bfd84c2019-03-26 20:47:16887 GoToIndex(index, FrameTreeNode::kFrameTreeNodeInvalidId);
888}
889
890void NavigationControllerImpl::GoToIndex(int index,
891 int sandbox_frame_tree_node_id) {
sunjian30574a62017-03-21 21:39:44892 TRACE_EVENT0("browser,navigation,benchmark",
893 "NavigationControllerImpl::GoToIndex");
[email protected]765b35502008-08-21 00:51:20894 if (index < 0 || index >= static_cast<int>(entries_.size())) {
895 NOTREACHED();
896 return;
897 }
898
[email protected]cbab76d2008-10-13 22:42:47899 if (transient_entry_index_ != -1) {
900 if (index == transient_entry_index_) {
901 // Nothing to do when navigating to the transient.
902 return;
903 }
904 if (index > transient_entry_index_) {
905 // Removing the transient is goint to shift all entries by 1.
906 index--;
907 }
908 }
909
910 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20911
arthursonzogni5c4c202d2017-04-25 23:41:27912 DCHECK_EQ(nullptr, pending_entry_);
913 DCHECK_EQ(-1, pending_entry_index_);
914 pending_entry_ = entries_[index].get();
[email protected]765b35502008-08-21 00:51:20915 pending_entry_index_ = index;
arthursonzogni5c4c202d2017-04-25 23:41:27916 pending_entry_->SetTransitionType(ui::PageTransitionFromInt(
917 pending_entry_->GetTransitionType() | ui::PAGE_TRANSITION_FORWARD_BACK));
Dave Tapuska8bfd84c2019-03-26 20:47:16918 NavigateToExistingPendingEntry(ReloadType::NONE, sandbox_frame_tree_node_id);
[email protected]765b35502008-08-21 00:51:20919}
920
[email protected]d202a7c2012-01-04 07:53:47921void NavigationControllerImpl::GoToOffset(int offset) {
toyoshim3af4d502016-03-30 12:38:12922 // Note: This is actually reached in unit tests.
[email protected]9ba14052012-06-22 23:50:03923 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20924 return;
925
[email protected]9ba14052012-06-22 23:50:03926 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20927}
928
[email protected]41374f12013-07-24 02:49:28929bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
930 if (index == last_committed_entry_index_ ||
931 index == pending_entry_index_)
932 return false;
[email protected]6a13a6c2011-12-20 21:47:12933
[email protected]43032342011-03-21 14:10:31934 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28935 return true;
[email protected]cbab76d2008-10-13 22:42:47936}
937
[email protected]d202a7c2012-01-04 07:53:47938void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23939 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32940 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31941 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51942 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
943 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32944 }
945}
946
[email protected]d202a7c2012-01-04 07:53:47947void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47948 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21949 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35950 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47951 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47952 LoadURLParams params(url);
953 params.referrer = referrer;
954 params.transition_type = transition;
955 params.extra_headers = extra_headers;
956 LoadURLWithParams(params);
957}
958
959void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43960 TRACE_EVENT1("browser,navigation",
961 "NavigationControllerImpl::LoadURLWithParams",
962 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43963 if (HandleDebugURL(params.url, params.transition_type)) {
964 // If Telemetry is running, allow the URL load to proceed as if it's
965 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49966 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43967 cc::switches::kEnableGpuBenchmarking))
968 return;
969 }
[email protected]8bf1048012012-02-08 01:22:18970
[email protected]cf002332012-08-14 19:17:47971 // Checks based on params.load_type.
972 switch (params.load_type) {
973 case LOAD_TYPE_DEFAULT:
lukasza477a5a22016-06-16 18:28:43974 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:47975 break;
976 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26977 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47978 NOTREACHED() << "Data load must use data scheme.";
979 return;
980 }
981 break;
982 default:
983 NOTREACHED();
984 break;
Lukasz Anforowiczbb0cfd5e2017-12-14 22:39:46985 }
[email protected]e47ae9472011-10-13 19:48:34986
[email protected]e47ae9472011-10-13 19:48:34987 // The user initiated a load, we don't need to reload anymore.
988 needs_reload_ = false;
989
clamy21718cc22018-06-13 13:34:24990 NavigateWithoutEntry(params);
[email protected]132e281a2012-07-31 18:32:44991}
992
creisb4dc9332016-03-14 21:39:19993bool NavigationControllerImpl::PendingEntryMatchesHandle(
994 NavigationHandleImpl* handle) const {
995 return pending_entry_ &&
996 pending_entry_->GetUniqueID() == handle->pending_nav_entry_id();
997}
998
[email protected]d202a7c2012-01-04 07:53:47999bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:321000 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221001 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
peary21b0f797b2016-09-28 17:28:331002 LoadCommittedDetails* details,
Eugene But712f03d2018-05-22 16:03:441003 bool is_same_document_navigation,
Shivani Sharmaffb32b82019-04-09 16:58:471004 bool previous_document_was_activated,
Camille Lamy10aafcd32018-12-05 15:48:131005 NavigationRequest* navigation_request) {
1006 DCHECK(navigation_request);
[email protected]cd2e15742013-03-08 04:08:311007 is_initial_navigation_ = false;
1008
[email protected]0e8db942008-09-24 21:21:481009 // Save the previous state before we clobber it.
aelias100c9192017-01-13 00:01:431010 bool overriding_user_agent_changed = false;
[email protected]0e8db942008-09-24 21:21:481011 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:511012 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:551013 details->previous_entry_index = GetLastCommittedEntryIndex();
aelias100c9192017-01-13 00:01:431014 if (pending_entry_ &&
1015 pending_entry_->GetIsOverridingUserAgent() !=
1016 GetLastCommittedEntry()->GetIsOverridingUserAgent())
1017 overriding_user_agent_changed = true;
[email protected]0e8db942008-09-24 21:21:481018 } else {
1019 details->previous_url = GURL();
1020 details->previous_entry_index = -1;
1021 }
[email protected]ecd9d8702008-08-28 22:10:171022
Alexander Timind2f2e4f22019-04-02 20:04:531023 // TODO(altimin, crbug.com/933147): Remove this logic after we are done with
1024 // implementing back-forward cache.
1025
1026 // Create a new metrics object or reuse the previous one depending on whether
1027 // it's a main frame navigation or not.
1028 scoped_refptr<BackForwardCacheMetrics> back_forward_cache_metrics =
1029 BackForwardCacheMetrics::CreateOrReuseBackForwardCacheMetrics(
1030 GetLastCommittedEntry(), !rfh->GetParent(),
1031 params.document_sequence_number);
1032 // Notify the last active entry that we have navigated away.
1033 if (!rfh->GetParent() && !is_same_document_navigation) {
1034 if (NavigationEntryImpl* navigation_entry = GetLastCommittedEntry()) {
1035 if (auto* metrics = navigation_entry->back_forward_cache_metrics()) {
1036 metrics->MainFrameDidNavigateAwayFromDocument();
1037 }
1038 }
1039 }
1040
fdegans9caf66a2015-07-30 21:10:421041 // If there is a pending entry at this point, it should have a SiteInstance,
1042 // except for restored entries.
jam48cea9082017-02-15 06:13:291043 bool was_restored = false;
toyoshim0df1d3a2016-09-09 09:52:481044 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance() ||
1045 pending_entry_->restore_type() != RestoreType::NONE);
1046 if (pending_entry_ && pending_entry_->restore_type() != RestoreType::NONE) {
1047 pending_entry_->set_restore_type(RestoreType::NONE);
jam48cea9082017-02-15 06:13:291048 was_restored = true;
toyoshim0df1d3a2016-09-09 09:52:481049 }
[email protected]e9ba4472008-09-14 15:42:431050
Nasko Oskovaee2f862018-06-15 00:05:521051 // If this is a navigation to a matching pending_entry_ and the SiteInstance
1052 // has changed, this must be treated as a new navigation with replacement.
1053 // Set the replacement bit here and ClassifyNavigation will identify this
1054 // case and return NEW_PAGE.
1055 if (!rfh->GetParent() && pending_entry_ &&
1056 pending_entry_->GetUniqueID() == params.nav_entry_id &&
1057 pending_entry_->site_instance() &&
1058 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
1059 DCHECK_NE(-1, pending_entry_index_);
1060 // TODO(nasko,creis): Instead of setting this value here, set
1061 // should_replace_current_entry on the parameters we send to the
1062 // renderer process as part of CommitNavigation. The renderer should
1063 // in turn send it back here as part of |params| and it can be just
1064 // enforced and renderer process terminated on mismatch.
1065 details->did_replace_entry = true;
1066 } else {
1067 // The renderer tells us whether the navigation replaces the current entry.
1068 details->did_replace_entry = params.should_replace_current_entry;
1069 }
[email protected]bcd904482012-02-01 01:54:221070
[email protected]e9ba4472008-09-14 15:42:431071 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:431072 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:201073
eugenebutee08663a2017-04-27 17:43:121074 // is_same_document must be computed before the entry gets committed.
Eugene But712f03d2018-05-22 16:03:441075 details->is_same_document = is_same_document_navigation;
[email protected]b9d4dfdc2013-08-08 00:25:121076
toyoshima63c2a62016-09-29 09:03:261077 // Save reload type and timestamp for a reload navigation to detect
1078 // consecutive reloads when the next reload is requested.
Camille Lamy10aafcd32018-12-05 15:48:131079 NavigationHandleImpl* navigation_handle =
1080 navigation_request->navigation_handle();
1081 DCHECK(navigation_handle);
clamy3bf35e3c2016-11-10 15:59:441082 if (PendingEntryMatchesHandle(navigation_handle)) {
toyoshima63c2a62016-09-29 09:03:261083 if (pending_entry_->reload_type() != ReloadType::NONE) {
1084 last_committed_reload_type_ = pending_entry_->reload_type();
1085 last_committed_reload_time_ =
1086 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
1087 } else if (!pending_entry_->is_renderer_initiated() ||
1088 params.gesture == NavigationGestureUser) {
1089 last_committed_reload_type_ = ReloadType::NONE;
1090 last_committed_reload_time_ = base::Time();
1091 }
1092 }
1093
Peter Boströmd7592132019-01-30 04:50:311094 // Make sure we do not discard the pending entry for a different ongoing
1095 // navigation when a same document commit comes in unexpectedly from the
1096 // renderer. Limit this to a very narrow set of conditions to avoid risks to
1097 // other navigation types. See https://crbug.com/900036.
1098 // TODO(crbug.com/926009): Handle history.pushState() as well.
1099 bool keep_pending_entry = is_same_document_navigation &&
1100 details->type == NAVIGATION_TYPE_EXISTING_PAGE &&
1101 pending_entry_ &&
1102 !PendingEntryMatchesHandle(navigation_handle);
1103
[email protected]0e8db942008-09-24 21:21:481104 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:211105 case NAVIGATION_TYPE_NEW_PAGE:
shivanisha41f04c52018-12-12 15:52:051106 RendererDidNavigateToNewPage(
1107 rfh, params, details->is_same_document, details->did_replace_entry,
Shivani Sharmaffb32b82019-04-09 16:58:471108 previous_document_was_activated, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:431109 break;
[email protected]8ff00d72012-10-23 19:12:211110 case NAVIGATION_TYPE_EXISTING_PAGE:
eugenebutee08663a2017-04-27 17:43:121111 RendererDidNavigateToExistingPage(rfh, params, details->is_same_document,
Peter Boströmd7592132019-01-30 04:50:311112 was_restored, navigation_handle,
1113 keep_pending_entry);
[email protected]e9ba4472008-09-14 15:42:431114 break;
[email protected]8ff00d72012-10-23 19:12:211115 case NAVIGATION_TYPE_SAME_PAGE:
Joe DeBlasio531e3d92018-11-06 06:26:121116 RendererDidNavigateToSamePage(rfh, params, details->is_same_document,
1117 navigation_handle);
[email protected]e9ba4472008-09-14 15:42:431118 break;
[email protected]8ff00d72012-10-23 19:12:211119 case NAVIGATION_TYPE_NEW_SUBFRAME:
Shivani Sharmaffb32b82019-04-09 16:58:471120 RendererDidNavigateNewSubframe(
1121 rfh, params, details->is_same_document, details->did_replace_entry,
1122 previous_document_was_activated, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:431123 break;
[email protected]8ff00d72012-10-23 19:12:211124 case NAVIGATION_TYPE_AUTO_SUBFRAME:
creis59d5a47cb2016-08-24 23:57:191125 if (!RendererDidNavigateAutoSubframe(rfh, params)) {
creisce0ef3572017-01-26 17:53:081126 // We don't send a notification about auto-subframe PageState during
1127 // UpdateStateForFrame, since it looks like nothing has changed. Send
1128 // it here at commit time instead.
1129 NotifyEntryChanged(GetLastCommittedEntry());
[email protected]e9ba4472008-09-14 15:42:431130 return false;
creis59d5a47cb2016-08-24 23:57:191131 }
[email protected]e9ba4472008-09-14 15:42:431132 break;
[email protected]8ff00d72012-10-23 19:12:211133 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:491134 // If a pending navigation was in progress, this canceled it. We should
1135 // discard it and make sure it is removed from the URL bar. After that,
1136 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:431137 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:491138 if (pending_entry_) {
1139 DiscardNonCommittedEntries();
pdr15f5b5b2017-06-20 00:58:001140 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:491141 }
[email protected]e9ba4472008-09-14 15:42:431142 return false;
1143 default:
1144 NOTREACHED();
[email protected]765b35502008-08-21 00:51:201145 }
1146
[email protected]688aa65c62012-09-28 04:32:221147 // At this point, we know that the navigation has just completed, so
1148 // record the time.
1149 //
1150 // TODO(akalin): Use "sane time" as described in
Adam Langley4463fb832018-01-28 22:42:261151 // https://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:331152 base::Time timestamp =
1153 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
1154 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:221155 << timestamp.ToInternalValue();
1156
Peter Boströmd7592132019-01-30 04:50:311157 // If we aren't keeping the pending entry, there shouldn't be one at this
1158 // point. Clear it again in case any error cases above forgot to do so.
1159 // TODO(pbos): Consider a CHECK here that verifies that the pending entry has
1160 // been cleared instead of protecting against it.
1161 if (!keep_pending_entry)
1162 DiscardNonCommittedEntriesInternal();
[email protected]f233e4232013-02-23 00:55:141163
[email protected]e9ba4472008-09-14 15:42:431164 // All committed entries should have nonempty content state so WebKit doesn't
1165 // get confused when we go back to them (see the function for details).
creis0cade2e2017-02-28 06:37:471166 DCHECK(params.page_state.IsValid()) << "Shouldn't see an empty PageState.";
creis3da03872015-02-20 21:12:321167 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:221168 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:441169 active_entry->SetHttpStatusCode(params.http_status_code);
Alexander Timind2f2e4f22019-04-02 20:04:531170 // TODO(altimin, crbug.com/933147): Remove this logic after we are done with
1171 // implementing back-forward cache.
1172 if (!active_entry->back_forward_cache_metrics()) {
1173 active_entry->set_back_forward_cache_metrics(
1174 std::move(back_forward_cache_metrics));
1175 }
1176 active_entry->back_forward_cache_metrics()->DidCommitNavigation(
1177 navigation_request->navigation_handle()->GetNavigationId(),
1178 active_entry->GetUniqueID(), rfh->frame_tree_node()->IsMainFrame());
naskoc7533512016-05-06 17:01:121179
Charles Reisc0507202017-09-21 00:40:021180 // Grab the corresponding FrameNavigationEntry for a few updates, but only if
1181 // the SiteInstance matches (to avoid updating the wrong entry by mistake).
1182 // A mismatch can occur if the renderer lies or due to a unique name collision
1183 // after a race with an OOPIF (see https://crbug.com/616820).
naskoc7533512016-05-06 17:01:121184 FrameNavigationEntry* frame_entry =
1185 active_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisc0507202017-09-21 00:40:021186 if (frame_entry && frame_entry->site_instance() != rfh->GetSiteInstance())
1187 frame_entry = nullptr;
Charles Reisf44482022017-10-13 21:15:031188 // Make sure we've updated the PageState in one of the helper methods.
creisce0ef3572017-01-26 17:53:081189 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
1190 if (frame_entry) {
Charles Reisf44482022017-10-13 21:15:031191 DCHECK(params.page_state == frame_entry->page_state());
creis4e2ecb72015-06-20 00:46:301192 }
[email protected]132e281a2012-07-31 18:32:441193
[email protected]97d8f0d2013-10-29 16:49:211194 // Once it is committed, we no longer need to track several pieces of state on
1195 // the entry.
naskoc7533512016-05-06 17:01:121196 active_entry->ResetForCommit(frame_entry);
[email protected]60d6cca2013-04-30 08:47:131197
shivanisha41f04c52018-12-12 15:52:051198 // It is possible that we are re-using this entry and it was marked to be
1199 // skipped on back/forward UI in its previous navigation. Reset it here so
1200 // that it is set afresh, if applicable, for this navigation.
1201 active_entry->set_should_skip_on_back_forward_ui(false);
1202
[email protected]49bd30e62011-03-22 20:12:591203 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:221204 // TODO(creis): This check won't pass for subframes until we create entries
1205 // for subframe navigations.
avi39c1edd32015-06-04 20:06:001206 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:421207 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:591208
[email protected]b26de072013-02-23 02:33:441209 // Remember the bindings the renderer process has at this point, so that
1210 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:321211 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:441212
[email protected]e9ba4472008-09-14 15:42:431213 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:001214 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:001215 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:311216 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:531217
[email protected]93f230e02011-06-01 14:40:001218 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:291219
John Abd-El-Malek380d3c5922017-09-08 00:20:311220 if (active_entry->GetURL().SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1221 navigation_handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek969cdd94e2017-07-10 22:18:161222 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus",
1223 !!active_entry->GetSSL().certificate);
1224 }
1225
aelias100c9192017-01-13 00:01:431226 if (overriding_user_agent_changed)
1227 delegate_->UpdateOverridingUserAgent();
1228
creis03b48002015-11-04 00:54:561229 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
1230 // one knows the latest NavigationEntry it is showing (whether it has
1231 // committed anything in this navigation or not). This allows things like
1232 // state and title updates from RenderFrames to apply to the latest relevant
1233 // NavigationEntry.
dcheng57e39e22016-01-21 00:25:381234 int nav_entry_id = active_entry->GetUniqueID();
1235 for (FrameTreeNode* node : delegate_->GetFrameTree()->Nodes())
1236 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
[email protected]e9ba4472008-09-14 15:42:431237 return true;
initial.commit09911bf2008-07-26 23:55:291238}
1239
[email protected]8ff00d72012-10-23 19:12:211240NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:321241 RenderFrameHostImpl* rfh,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571242 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi7c6f35e2015-05-08 17:52:381243 if (params.did_create_new_entry) {
1244 // A new entry. We may or may not have a pending entry for the page, and
1245 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:001246 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381247 return NAVIGATION_TYPE_NEW_PAGE;
1248 }
1249
1250 // When this is a new subframe navigation, we should have a committed page
1251 // in which it's a subframe. This may not be the case when an iframe is
1252 // navigated on a popup navigated to about:blank (the iframe would be
1253 // written into the popup by script on the main page). For these cases,
1254 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:231255 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:381256 return NAVIGATION_TYPE_NAV_IGNORE;
1257
1258 // Valid subframe navigation.
1259 return NAVIGATION_TYPE_NEW_SUBFRAME;
1260 }
1261
1262 // We only clear the session history when navigating to a new page.
1263 DCHECK(!params.history_list_was_cleared);
1264
avi39c1edd32015-06-04 20:06:001265 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381266 // All manual subframes would be did_create_new_entry and handled above, so
1267 // we know this is auto.
1268 if (GetLastCommittedEntry()) {
1269 return NAVIGATION_TYPE_AUTO_SUBFRAME;
1270 } else {
1271 // We ignore subframes created in non-committed pages; we'd appreciate if
1272 // people stopped doing that.
1273 return NAVIGATION_TYPE_NAV_IGNORE;
1274 }
1275 }
1276
1277 if (params.nav_entry_id == 0) {
1278 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1279 // create a new page.
1280
1281 // Just like above in the did_create_new_entry case, it's possible to
1282 // scribble onto an uncommitted page. Again, there isn't any navigation
1283 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231284 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231285 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381286 return NAVIGATION_TYPE_NAV_IGNORE;
1287
Charles Reis1378111f2017-11-08 21:44:061288 // This is history.replaceState() or history.reload().
Nasko Oskov332593c2018-08-16 17:21:341289 // TODO(nasko): With error page isolation, reloading an existing session
1290 // history entry can result in change of SiteInstance. Check for such a case
1291 // here and classify it as NEW_PAGE, as such navigations should be treated
1292 // as new with replacement.
avi259dc792015-07-07 04:42:361293 return NAVIGATION_TYPE_EXISTING_PAGE;
avi7c6f35e2015-05-08 17:52:381294 }
1295
Nasko Oskovaee2f862018-06-15 00:05:521296 if (pending_entry_ && pending_entry_->GetUniqueID() == params.nav_entry_id) {
1297 // If the SiteInstance of the |pending_entry_| does not match the
1298 // SiteInstance that got committed, treat this as a new navigation with
1299 // replacement. This can happen if back/forward/reload encounters a server
1300 // redirect to a different site or an isolated error page gets successfully
1301 // reloaded into a different SiteInstance.
1302 if (pending_entry_->site_instance() &&
1303 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
creis77c9aa32015-09-25 19:59:421304 return NAVIGATION_TYPE_NEW_PAGE;
Nasko Oskovaee2f862018-06-15 00:05:521305 }
creis77c9aa32015-09-25 19:59:421306
Nasko Oskovaee2f862018-06-15 00:05:521307 if (pending_entry_index_ == -1) {
1308 // In this case, we have a pending entry for a load of a new URL but Blink
1309 // didn't do a new navigation (params.did_create_new_entry). First check
1310 // to make sure Blink didn't treat a new cross-process navigation as
1311 // inert, and thus set params.did_create_new_entry to false. In that case,
1312 // we must treat it as NEW since the SiteInstance doesn't match the entry.
1313 if (!GetLastCommittedEntry() ||
1314 GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance()) {
1315 return NAVIGATION_TYPE_NEW_PAGE;
1316 }
1317
1318 // Otherwise, this happens when you press enter in the URL bar to reload.
1319 // We will create a pending entry, but Blink will convert it to a reload
1320 // since it's the same page and not create a new entry for it (the user
1321 // doesn't want to have a new back/forward entry when they do this).
1322 // Therefore we want to just ignore the pending entry and go back to where
1323 // we were (the "existing entry").
1324 // TODO(creis,avi): Eliminate SAME_PAGE in https://crbug.com/536102.
1325 return NAVIGATION_TYPE_SAME_PAGE;
1326 }
avi7c6f35e2015-05-08 17:52:381327 }
1328
creis26d22632017-04-21 20:23:561329 // Everything below here is assumed to be an existing entry, but if there is
1330 // no last committed entry, we must consider it a new navigation instead.
1331 if (!GetLastCommittedEntry())
1332 return NAVIGATION_TYPE_NEW_PAGE;
1333
avi7c6f35e2015-05-08 17:52:381334 if (params.intended_as_new_entry) {
1335 // This was intended to be a navigation to a new entry but the pending entry
1336 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1337 // may not have a pending entry.
1338 return NAVIGATION_TYPE_EXISTING_PAGE;
1339 }
1340
1341 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1342 params.nav_entry_id == failed_pending_entry_id_) {
1343 // If the renderer was going to a new pending entry that got cleared because
1344 // of an error, this is the case of the user trying to retry a failed load
1345 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1346 // have a pending entry.
1347 return NAVIGATION_TYPE_EXISTING_PAGE;
1348 }
1349
1350 // Now we know that the notification is for an existing page. Find that entry.
1351 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1352 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441353 // The renderer has committed a navigation to an entry that no longer
1354 // exists. Because the renderer is showing that page, resurrect that entry.
1355 return NAVIGATION_TYPE_NEW_PAGE;
avi7c6f35e2015-05-08 17:52:381356 }
1357
avi7c6f35e2015-05-08 17:52:381358 // Since we weeded out "new" navigations above, we know this is an existing
1359 // (back/forward) navigation.
1360 return NAVIGATION_TYPE_EXISTING_PAGE;
1361}
1362
[email protected]d202a7c2012-01-04 07:53:471363void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321364 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221365 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361366 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441367 bool replace_entry,
Shivani Sharmaffb32b82019-04-09 16:58:471368 bool previous_document_was_activated,
clamy3bf35e3c2016-11-10 15:59:441369 NavigationHandleImpl* handle) {
dcheng9bfa5162016-04-09 01:00:571370 std::unique_ptr<NavigationEntryImpl> new_entry;
creisf49dfc92016-07-26 17:05:181371 bool update_virtual_url = false;
1372
1373 // First check if this is an in-page navigation. If so, clone the current
1374 // entry instead of looking at the pending entry, because the pending entry
1375 // does not have any subframe history items.
eugenebut604866f2017-05-10 21:35:361376 if (is_same_document && GetLastCommittedEntry()) {
creisf49dfc92016-07-26 17:05:181377 FrameNavigationEntry* frame_entry = new FrameNavigationEntry(
Charles Reisd2a509f2017-09-27 23:47:481378 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisf49dfc92016-07-26 17:05:181379 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321380 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
1381 params.referrer, params.redirects, params.page_state, params.method,
1382 params.post_id, nullptr /* blob_url_loader_factory */);
Charles Reisf44482022017-10-13 21:15:031383
creisf49dfc92016-07-26 17:05:181384 new_entry = GetLastCommittedEntry()->CloneAndReplace(
1385 frame_entry, true, rfh->frame_tree_node(),
1386 delegate_->GetFrameTree()->root());
jama78746e2017-02-22 17:21:571387 if (new_entry->GetURL().GetOrigin() != params.url.GetOrigin()) {
1388 // TODO(jam): we had one report of this with a URL that was redirecting to
1389 // only tildes. Until we understand that better, don't copy the cert in
1390 // this case.
1391 new_entry->GetSSL() = SSLStatus();
John Abd-El-Malek9cd697e2017-07-12 21:53:141392
John Abd-El-Malek380d3c5922017-09-08 00:20:311393 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1394 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141395 UMA_HISTOGRAM_BOOLEAN(
1396 "Navigation.SecureSchemeHasSSLStatus.NewPageInPageOriginMismatch",
1397 !!new_entry->GetSSL().certificate);
1398 }
jama78746e2017-02-22 17:21:571399 }
creisf49dfc92016-07-26 17:05:181400
1401 // We expect |frame_entry| to be owned by |new_entry|. This should never
1402 // fail, because it's the main frame.
1403 CHECK(frame_entry->HasOneRef());
1404
1405 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malek9cd697e2017-07-12 21:53:141406
John Abd-El-Malek380d3c5922017-09-08 00:20:311407 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1408 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141409 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.NewPageInPage",
1410 !!new_entry->GetSSL().certificate);
1411 }
creisf49dfc92016-07-26 17:05:181412 }
1413
[email protected]6dd86ab2013-02-27 00:30:341414 // Only make a copy of the pending entry if it is appropriate for the new page
csharrison9a9142bc42016-03-01 17:24:041415 // that was just loaded. Verify this by checking if the entry corresponds
clamy3bf35e3c2016-11-10 15:59:441416 // to the given navigation handle. Additionally, coarsely check that:
csharrison9a9142bc42016-03-01 17:24:041417 // 1. The SiteInstance hasn't been assigned to something else.
1418 // 2. The pending entry was intended as a new entry, rather than being a
1419 // history navigation that was interrupted by an unrelated,
1420 // renderer-initiated navigation.
1421 // TODO(csharrison): Investigate whether we can remove some of the coarser
1422 // checks.
creisf49dfc92016-07-26 17:05:181423 if (!new_entry &&
1424 PendingEntryMatchesHandle(handle) && pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341425 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431426 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351427 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431428
[email protected]f1eb87a2011-05-06 17:49:411429 update_virtual_url = new_entry->update_virtual_url_with_url();
Camille Lamy62b826012019-02-26 09:15:471430 new_entry->GetSSL() =
1431 SSLStatus(handle->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141432
John Abd-El-Malek380d3c5922017-09-08 00:20:311433 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1434 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141435 UMA_HISTOGRAM_BOOLEAN(
1436 "Navigation.SecureSchemeHasSSLStatus.NewPagePendingEntryMatches",
1437 !!new_entry->GetSSL().certificate);
1438 }
creisf49dfc92016-07-26 17:05:181439 }
1440
1441 // For non-in-page commits with no matching pending entry, create a new entry.
1442 if (!new_entry) {
dcheng9bfa5162016-04-09 01:00:571443 new_entry = base::WrapUnique(new NavigationEntryImpl);
[email protected]f8f93eb2012-09-25 03:06:241444
1445 // Find out whether the new entry needs to update its virtual URL on URL
1446 // change and set up the entry accordingly. This is needed to correctly
1447 // update the virtual URL when replaceState is called after a pushState.
1448 GURL url = params.url;
1449 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431450 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1451 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241452 new_entry->set_update_virtual_url_with_url(needs_update);
1453
[email protected]f1eb87a2011-05-06 17:49:411454 // When navigating to a new page, give the browser URL handler a chance to
1455 // update the virtual URL based on the new URL. For example, this is needed
1456 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1457 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241458 update_virtual_url = needs_update;
Camille Lamy62b826012019-02-26 09:15:471459 new_entry->GetSSL() =
1460 SSLStatus(handle->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141461
John Abd-El-Malek380d3c5922017-09-08 00:20:311462 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1463 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141464 UMA_HISTOGRAM_BOOLEAN(
1465 "Navigation.SecureSchemeHasSSLStatus.NewPageNoMatchingEntry",
1466 !!new_entry->GetSSL().certificate);
1467 }
[email protected]e9ba4472008-09-14 15:42:431468 }
1469
wjmaclean7431bb22015-02-19 14:53:431470 // Don't use the page type from the pending entry. Some interstitial page
1471 // may have set the type to interstitial. Once we commit, however, the page
1472 // type must always be normal or error.
1473 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1474 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041475 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411476 if (update_virtual_url)
avi25764702015-06-23 15:43:371477 UpdateVirtualURLToURL(new_entry.get(), params.url);
[email protected]022af742011-12-28 18:37:251478 new_entry->SetReferrer(params.referrer);
[email protected]022af742011-12-28 18:37:251479 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331480 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431481 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]7c16976c2012-08-04 02:38:231482 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221483 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431484
creis8b5cd4c2015-06-19 00:11:081485 // Update the FrameNavigationEntry for new main frame commits.
1486 FrameNavigationEntry* frame_entry =
1487 new_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisd2a509f2017-09-27 23:47:481488 frame_entry->set_frame_unique_name(rfh->frame_tree_node()->unique_name());
creis8b5cd4c2015-06-19 00:11:081489 frame_entry->set_item_sequence_number(params.item_sequence_number);
1490 frame_entry->set_document_sequence_number(params.document_sequence_number);
Charles Reisf44482022017-10-13 21:15:031491 frame_entry->set_redirect_chain(params.redirects);
1492 frame_entry->SetPageState(params.page_state);
clamy432acb22016-04-15 19:41:431493 frame_entry->set_method(params.method);
1494 frame_entry->set_post_id(params.post_id);
Nasko Oskov03912102019-01-11 00:21:321495 if (!params.url_is_unreachable)
1496 frame_entry->set_committed_origin(params.origin);
creis8b5cd4c2015-06-19 00:11:081497
eugenebut604866f2017-05-10 21:35:361498 // history.pushState() is classified as a navigation to a new page, but sets
1499 // is_same_document to true. In this case, we already have the title and
creisf49dfc92016-07-26 17:05:181500 // favicon available, so set them immediately.
eugenebut604866f2017-05-10 21:35:361501 if (is_same_document && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331502 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191503 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1504 }
[email protected]ff64b3e2014-05-31 04:07:331505
[email protected]60d6cca2013-04-30 08:47:131506 DCHECK(!params.history_list_was_cleared || !replace_entry);
1507 // The browser requested to clear the session history when it initiated the
1508 // navigation. Now we know that the renderer has updated its state accordingly
1509 // and it is safe to also clear the browser side history.
1510 if (params.history_list_was_cleared) {
1511 DiscardNonCommittedEntriesInternal();
1512 entries_.clear();
1513 last_committed_entry_index_ = -1;
1514 }
1515
Nasko Oskovaee2f862018-06-15 00:05:521516 // If this is a new navigation with replacement and there is a
1517 // pending_entry_ which matches the navigation reported by the renderer
1518 // process, then it should be the one replaced, so update the
1519 // last_committed_entry_index_ to use it.
1520 if (replace_entry && pending_entry_index_ != -1 &&
1521 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1522 last_committed_entry_index_ = pending_entry_index_;
1523 }
1524
Shivani Sharmaffb32b82019-04-09 16:58:471525 SetShouldSkipOnBackForwardUIIfNeeded(rfh, replace_entry,
1526 previous_document_was_activated,
1527 handle->IsRendererInitiated());
shivanisha41f04c52018-12-12 15:52:051528
dcheng36b6aec92015-12-26 06:16:361529 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431530}
1531
[email protected]d202a7c2012-01-04 07:53:471532void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321533 RenderFrameHostImpl* rfh,
jam0576b132016-09-07 05:13:101534 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361535 bool is_same_document,
jam48cea9082017-02-15 06:13:291536 bool was_restored,
Peter Boströmd7592132019-01-30 04:50:311537 NavigationHandleImpl* handle,
1538 bool keep_pending_entry) {
creis26d22632017-04-21 20:23:561539 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1540 << "that a last committed entry exists.";
1541
[email protected]e9ba4472008-09-14 15:42:431542 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001543 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431544
avicbdc4c12015-07-01 16:07:111545 NavigationEntryImpl* entry;
1546 if (params.intended_as_new_entry) {
1547 // This was intended as a new entry but the pending entry was lost in the
1548 // meanwhile and no new page was created. We are stuck at the last committed
1549 // entry.
1550 entry = GetLastCommittedEntry();
eugenebut604866f2017-05-10 21:35:361551 // If this is a same document navigation, then there's no SSLStatus in the
jam1325c822017-03-17 18:20:541552 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361553 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:471554 entry->GetSSL() =
1555 SSLStatus(handle->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141556
John Abd-El-Malek380d3c5922017-09-08 00:20:311557 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1558 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141559 bool has_cert = !!entry->GetSSL().certificate;
1560 if (is_same_document) {
1561 UMA_HISTOGRAM_BOOLEAN(
1562 "Navigation.SecureSchemeHasSSLStatus."
1563 "ExistingPageSameDocumentIntendedAsNew",
1564 has_cert);
1565 } else {
1566 UMA_HISTOGRAM_BOOLEAN(
1567 "Navigation.SecureSchemeHasSSLStatus."
1568 "ExistingPageDifferentDocumentIntendedAsNew",
1569 has_cert);
1570 }
1571 }
avicbdc4c12015-07-01 16:07:111572 } else if (params.nav_entry_id) {
1573 // This is a browser-initiated navigation (back/forward/reload).
1574 entry = GetEntryWithUniqueID(params.nav_entry_id);
jamd208b90ce2016-09-01 16:58:161575
eugenebut604866f2017-05-10 21:35:361576 if (is_same_document) {
1577 // There's no SSLStatus in the NavigationHandle for same document
1578 // navigations, so normally we leave |entry|'s SSLStatus as is. However if
1579 // this was a restored same document navigation entry, then it won't have
1580 // an SSLStatus. So we need to copy over the SSLStatus from the entry that
1581 // navigated it.
jam48cea9082017-02-15 06:13:291582 NavigationEntryImpl* last_entry = GetLastCommittedEntry();
1583 if (entry->GetURL().GetOrigin() == last_entry->GetURL().GetOrigin() &&
1584 last_entry->GetSSL().initialized && !entry->GetSSL().initialized &&
1585 was_restored) {
1586 entry->GetSSL() = last_entry->GetSSL();
1587 }
1588 } else {
John Abd-El-Malek3f247082017-12-07 19:02:191589 // In rapid back/forward navigations |handle| sometimes won't have a cert
1590 // (http://crbug.com/727892). So we use the handle's cert if it exists,
1591 // otherwise we only reuse the existing cert if the origins match.
Camille Lamy62b826012019-02-26 09:15:471592 if (handle->GetSSLInfo().has_value() &&
1593 handle->GetSSLInfo()->is_valid()) {
1594 entry->GetSSL() = SSLStatus(*(handle->GetSSLInfo()));
John Abd-El-Malek3f247082017-12-07 19:02:191595 } else if (entry->GetURL().GetOrigin() != handle->GetURL().GetOrigin()) {
1596 entry->GetSSL() = SSLStatus();
1597 }
jam48cea9082017-02-15 06:13:291598 }
John Abd-El-Malek9cd697e2017-07-12 21:53:141599
John Abd-El-Malek380d3c5922017-09-08 00:20:311600 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1601 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141602 bool has_cert = !!entry->GetSSL().certificate;
1603 if (is_same_document && was_restored) {
1604 UMA_HISTOGRAM_BOOLEAN(
1605 "Navigation.SecureSchemeHasSSLStatus."
1606 "ExistingPageSameDocumentRestoredBrowserInitiated",
1607 has_cert);
1608 } else if (is_same_document && !was_restored) {
1609 UMA_HISTOGRAM_BOOLEAN(
1610 "Navigation.SecureSchemeHasSSLStatus."
1611 "ExistingPageSameDocumentBrowserInitiated",
1612 has_cert);
1613 } else if (!is_same_document && was_restored) {
1614 UMA_HISTOGRAM_BOOLEAN(
1615 "Navigation.SecureSchemeHasSSLStatus."
1616 "ExistingPageRestoredBrowserInitiated",
1617 has_cert);
1618 } else {
1619 UMA_HISTOGRAM_BOOLEAN(
1620 "Navigation.SecureSchemeHasSSLStatus.ExistingPageBrowserInitiated",
1621 has_cert);
1622 }
1623 }
avicbdc4c12015-07-01 16:07:111624 } else {
1625 // This is renderer-initiated. The only kinds of renderer-initated
Charles Reis1378111f2017-11-08 21:44:061626 // navigations that are EXISTING_PAGE are reloads and history.replaceState,
avicbdc4c12015-07-01 16:07:111627 // which land us at the last committed entry.
1628 entry = GetLastCommittedEntry();
jam0576b132016-09-07 05:13:101629
Mikel Astizba9cf2fd2017-12-17 10:38:101630 // TODO(crbug.com/751023): Set page transition type to PAGE_TRANSITION_LINK
1631 // to avoid misleading interpretations (e.g. URLs paired with
1632 // PAGE_TRANSITION_TYPED that haven't actually been typed) as well as to fix
1633 // the inconsistency with what we report to observers (PAGE_TRANSITION_LINK
1634 // | PAGE_TRANSITION_CLIENT_REDIRECT).
1635
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571636 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(entry, entry);
Mikel Astizba9cf2fd2017-12-17 10:38:101637
eugenebut604866f2017-05-10 21:35:361638 // If this is a same document navigation, then there's no SSLStatus in the
jam0576b132016-09-07 05:13:101639 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361640 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:471641 entry->GetSSL() =
1642 SSLStatus(handle->GetSSLInfo().value_or(net::SSLInfo()));
John Abd-El-Malek9cd697e2017-07-12 21:53:141643
John Abd-El-Malek380d3c5922017-09-08 00:20:311644 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1645 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141646 bool has_cert = !!entry->GetSSL().certificate;
1647 if (is_same_document) {
1648 UMA_HISTOGRAM_BOOLEAN(
1649 "Navigation.SecureSchemeHasSSLStatus."
1650 "ExistingPageSameDocumentRendererInitiated",
1651 has_cert);
1652 } else {
1653 UMA_HISTOGRAM_BOOLEAN(
1654 "Navigation.SecureSchemeHasSSLStatus."
1655 "ExistingPageDifferentDocumentRendererInitiated",
1656 has_cert);
1657 }
1658 }
avicbdc4c12015-07-01 16:07:111659 }
1660 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:431661
[email protected]5ccd4dc2012-10-24 02:28:141662 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431663 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1664 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041665 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201666 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321667 if (entry->update_virtual_url_with_url())
1668 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141669
jam015ba062017-01-06 21:17:001670 // The site instance will normally be the same except
1671 // 1) session restore, when no site instance will be assigned or
1672 // 2) redirect, when the site instance is reset.
naskoaf182192016-08-11 02:12:011673 DCHECK(entry->site_instance() == nullptr ||
jam015ba062017-01-06 21:17:001674 !entry->GetRedirectChain().empty() ||
naskoaf182192016-08-11 02:12:011675 entry->site_instance() == rfh->GetSiteInstance());
clamy432acb22016-04-15 19:41:431676
naskoaf182192016-08-11 02:12:011677 // Update the existing FrameNavigationEntry to ensure all of its members
1678 // reflect the parameters coming from the renderer process.
1679 entry->AddOrUpdateFrameEntry(
1680 rfh->frame_tree_node(), params.item_sequence_number,
1681 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321682 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
1683 params.redirects, params.page_state, params.method, params.post_id,
Nasko Oskov18006bc2018-12-06 02:53:581684 nullptr /* blob_url_loader_factory */);
creis22a7b4c2016-04-28 07:20:301685
[email protected]5ccd4dc2012-10-24 02:28:141686 // The redirected to page should not inherit the favicon from the previous
1687 // page.
eugenebut604866f2017-05-10 21:35:361688 if (ui::PageTransitionIsRedirect(params.transition) && !is_same_document)
[email protected]91a4ff82012-10-29 20:29:481689 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141690
Peter Boströmd7592132019-01-30 04:50:311691 // We should also usually discard the pending entry if it corresponds to a
1692 // different navigation, since that one is now likely canceled. In rare
1693 // cases, we leave the pending entry for another navigation in place when we
1694 // know it is still ongoing, to avoid a flicker in the omnibox (see
1695 // https://crbug.com/900036).
[email protected]e9ba4472008-09-14 15:42:431696 //
1697 // Note that we need to use the "internal" version since we don't want to
1698 // actually change any other state, just kill the pointer.
Peter Boströmd7592132019-01-30 04:50:311699 if (!keep_pending_entry)
1700 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391701
[email protected]80858db52009-10-15 00:35:181702 // If a transient entry was removed, the indices might have changed, so we
1703 // have to query the entry index again.
avicbdc4c12015-07-01 16:07:111704 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:431705}
1706
[email protected]d202a7c2012-01-04 07:53:471707void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321708 RenderFrameHostImpl* rfh,
clamy3bf35e3c2016-11-10 15:59:441709 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
Joe DeBlasio531e3d92018-11-06 06:26:121710 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441711 NavigationHandleImpl* handle) {
aviaf5660962015-06-30 15:12:291712 // This classification says that we have a pending entry that's the same as
1713 // the last committed entry. This entry is guaranteed to exist by
[email protected]4c27ba82008-09-24 16:49:091714 // ClassifyNavigation. All we need to do is update the existing entry.
aviaf5660962015-06-30 15:12:291715 NavigationEntryImpl* existing_entry = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431716
creis77c9aa32015-09-25 19:59:421717 // If we classified this correctly, the SiteInstance should not have changed.
1718 CHECK_EQ(existing_entry->site_instance(), rfh->GetSiteInstance());
1719
[email protected]e9ba4472008-09-14 15:42:431720 // We assign the entry's unique ID to be that of the new one. Since this is
1721 // always the result of a user action, we want to dismiss infobars, etc. like
1722 // a regular user-initiated navigation.
creis77c9aa32015-09-25 19:59:421723 DCHECK_EQ(pending_entry_->GetUniqueID(), params.nav_entry_id);
[email protected]36fc0392011-12-25 03:59:511724 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431725
[email protected]a0e69262009-06-03 19:08:481726 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431727 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1728 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321729 if (existing_entry->update_virtual_url_with_url())
1730 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041731 existing_entry->SetURL(params.url);
[email protected]a0e69262009-06-03 19:08:481732
jamd208b90ce2016-09-01 16:58:161733 // If a user presses enter in the omnibox and the server redirects, the URL
Joe DeBlasio531e3d92018-11-06 06:26:121734 // might change (but it's still considered a SAME_PAGE navigation), so we must
1735 // update the SSL status if we perform a network request (e.g. a
1736 // non-same-document navigation). Requests that don't result in a network
1737 // request do not have a valid SSL status, but since the document didn't
1738 // change, the previous SSLStatus is still valid.
1739 if (!is_same_document)
Camille Lamy62b826012019-02-26 09:15:471740 existing_entry->GetSSL() =
1741 SSLStatus(handle->GetSSLInfo().value_or(net::SSLInfo()));
jamd208b90ce2016-09-01 16:58:161742
John Abd-El-Malek509dfd62017-09-05 21:34:491743 if (existing_entry->GetURL().SchemeIs(url::kHttpsScheme) &&
John Abd-El-Malek380d3c5922017-09-08 00:20:311744 !rfh->GetParent() && handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141745 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.SamePage",
1746 !!existing_entry->GetSSL().certificate);
1747 }
1748
jianlid26f6c92016-10-12 21:03:171749 // The extra headers may have changed due to reloading with different headers.
1750 existing_entry->set_extra_headers(pending_entry_->extra_headers());
1751
naskoaf182192016-08-11 02:12:011752 // Update the existing FrameNavigationEntry to ensure all of its members
1753 // reflect the parameters coming from the renderer process.
1754 existing_entry->AddOrUpdateFrameEntry(
1755 rfh->frame_tree_node(), params.item_sequence_number,
1756 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321757 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
1758 params.redirects, params.page_state, params.method, params.post_id,
Nasko Oskov18006bc2018-12-06 02:53:581759 nullptr /* blob_url_loader_factory */);
[email protected]b77686522013-12-11 20:34:191760
[email protected]cbab76d2008-10-13 22:42:471761 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431762}
1763
[email protected]d202a7c2012-01-04 07:53:471764void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321765 RenderFrameHostImpl* rfh,
creis1857908a2016-02-25 20:31:521766 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361767 bool is_same_document,
Shivani Sharmaffb32b82019-04-09 16:58:471768 bool replace_entry,
1769 bool previous_document_was_activated,
1770 NavigationHandleImpl* handle) {
avi25f5f9e2015-07-17 20:08:261771 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1772 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
[email protected]09b8f82f2009-06-16 20:22:111773
[email protected]e9ba4472008-09-14 15:42:431774 // Manual subframe navigations just get the current entry cloned so the user
1775 // can go back or forward to it. The actual subframe information will be
1776 // stored in the page state for each of those entries. This happens out of
1777 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091778 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1779 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381780
Mikel Astizba9cf2fd2017-12-17 10:38:101781 // The DCHECK below documents the fact that we don't know of any situation
1782 // where |replace_entry| is true for subframe navigations. This simplifies
1783 // reasoning about the replacement struct for subframes (see
1784 // CopyReplacedNavigationEntryDataIfPreviouslyEmpty()).
1785 DCHECK(!replace_entry);
1786
creisce0ef3572017-01-26 17:53:081787 // Make sure we don't leak frame_entry if new_entry doesn't take ownership.
1788 scoped_refptr<FrameNavigationEntry> frame_entry(new FrameNavigationEntry(
Charles Reisd2a509f2017-09-27 23:47:481789 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisce0ef3572017-01-26 17:53:081790 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321791 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
1792 params.referrer, params.redirects, params.page_state, params.method,
1793 params.post_id, nullptr /* blob_url_loader_factory */));
Charles Reisf44482022017-10-13 21:15:031794
creisce0ef3572017-01-26 17:53:081795 std::unique_ptr<NavigationEntryImpl> new_entry =
1796 GetLastCommittedEntry()->CloneAndReplace(
eugenebut604866f2017-05-10 21:35:361797 frame_entry.get(), is_same_document, rfh->frame_tree_node(),
creisce0ef3572017-01-26 17:53:081798 delegate_->GetFrameTree()->root());
creise062d542015-08-25 02:01:551799
Shivani Sharmaffb32b82019-04-09 16:58:471800 SetShouldSkipOnBackForwardUIIfNeeded(rfh, replace_entry,
1801 previous_document_was_activated,
1802 handle->IsRendererInitiated());
1803
creisce0ef3572017-01-26 17:53:081804 // TODO(creis): Update this to add the frame_entry if we can't find the one
1805 // to replace, which can happen due to a unique name change. See
1806 // https://crbug.com/607205. For now, frame_entry will be deleted when it
1807 // goes out of scope if it doesn't get used.
creis96fc55082015-06-13 06:42:381808
creis1857908a2016-02-25 20:31:521809 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431810}
1811
[email protected]d202a7c2012-01-04 07:53:471812bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321813 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221814 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291815 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1816 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1817
[email protected]e9ba4472008-09-14 15:42:431818 // We're guaranteed to have a previously committed entry, and we now need to
1819 // handle navigation inside of a subframe in it without creating a new entry.
1820 DCHECK(GetLastCommittedEntry());
1821
creis913c63ce2016-07-16 19:52:521822 // For newly created subframes, we don't need to send a commit notification.
1823 // This is only necessary for history navigations in subframes.
1824 bool send_commit_notification = false;
1825
1826 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1827 // a history navigation. Update the last committed index accordingly.
1828 // If we don't recognize the |nav_entry_id|, it might be a recently pruned
1829 // entry. We'll handle it below.
avi98405c22015-05-21 20:47:061830 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511831 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
creis3cdc3b02015-05-29 23:00:471832 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061833 // Make sure that a subframe commit isn't changing the main frame's
1834 // origin. Otherwise the renderer process may be confused, leading to a
1835 // URL spoof. We can't check the path since that may change
1836 // (https://crbug.com/373041).
creis37988b92016-06-10 18:03:571837 // TODO(creis): For now, restrict this check to HTTP(S) origins, because
1838 // about:blank, file, and unique origins are more subtle to get right.
Eugene But9fb98d12018-05-22 18:28:331839 // We'll abstract out the relevant checks from IsURLSameDocumentNavigation
1840 // and share them here. See https://crbug.com/618104.
creis37988b92016-06-10 18:03:571841 const GURL& dest_top_url = GetEntryAtIndex(entry_index)->GetURL();
1842 const GURL& current_top_url = GetLastCommittedEntry()->GetURL();
1843 if (current_top_url.SchemeIsHTTPOrHTTPS() &&
1844 dest_top_url.SchemeIsHTTPOrHTTPS() &&
1845 current_top_url.GetOrigin() != dest_top_url.GetOrigin()) {
creisfb6eeb62016-05-10 19:01:511846 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1847 bad_message::NC_AUTO_SUBFRAME);
avi98405c22015-05-21 20:47:061848 }
creis3cdc3b02015-05-29 23:00:471849
creis913c63ce2016-07-16 19:52:521850 // We only need to discard the pending entry in this history navigation
1851 // case. For newly created subframes, there was no pending entry.
avi98405c22015-05-21 20:47:061852 last_committed_entry_index_ = entry_index;
1853 DiscardNonCommittedEntriesInternal();
creis913c63ce2016-07-16 19:52:521854
1855 // History navigations should send a commit notification.
1856 send_commit_notification = true;
avi98405c22015-05-21 20:47:061857 }
[email protected]e9ba4472008-09-14 15:42:431858 }
[email protected]f233e4232013-02-23 00:55:141859
creisce0ef3572017-01-26 17:53:081860 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1861 // it may be a "history auto" case where we update an existing one.
1862 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
1863 last_committed->AddOrUpdateFrameEntry(
1864 rfh->frame_tree_node(), params.item_sequence_number,
1865 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321866 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
1867 params.redirects, params.page_state, params.method, params.post_id,
Nasko Oskov18006bc2018-12-06 02:53:581868 nullptr /* blob_url_loader_factory */);
creis625a0c7d2015-03-24 23:17:121869
creis913c63ce2016-07-16 19:52:521870 return send_commit_notification;
[email protected]e9ba4472008-09-14 15:42:431871}
1872
[email protected]d202a7c2012-01-04 07:53:471873int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231874 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:031875 for (size_t i = 0; i < entries_.size(); ++i) {
1876 if (entries_[i].get() == entry)
1877 return i;
1878 }
1879 return -1;
[email protected]765b35502008-08-21 00:51:201880}
1881
Eugene But7cc259d2017-10-09 23:52:491882// There are two general cases where a navigation is "same-document":
avidb7d1d22015-06-08 21:21:501883// 1. A fragment navigation, in which the url is kept the same except for the
1884// reference fragment.
1885// 2. A history API navigation (pushState and replaceState). This case is
Eugene But7cc259d2017-10-09 23:52:491886// always same-document, but the urls are not guaranteed to match excluding
1887// the fragment. The relevant spec allows pushState/replaceState to any URL
1888// on the same origin.
avidb7d1d22015-06-08 21:21:501889// However, due to reloads, even identical urls are *not* guaranteed to be
Eugene But7cc259d2017-10-09 23:52:491890// same-document navigations, we have to trust the renderer almost entirely.
avidb7d1d22015-06-08 21:21:501891// The one thing we do know is that cross-origin navigations will *never* be
Eugene But7cc259d2017-10-09 23:52:491892// same-document. Therefore, trust the renderer if the URLs are on the same
1893// origin, and assume the renderer is malicious if a cross-origin navigation
1894// claims to be same-document.
creisf164daa2016-06-07 00:17:051895//
1896// TODO(creis): Clean up and simplify the about:blank and origin checks below,
1897// which are likely redundant with each other. Be careful about data URLs vs
1898// about:blank, both of which are unique origins and thus not considered equal.
Eugene But7cc259d2017-10-09 23:52:491899bool NavigationControllerImpl::IsURLSameDocumentNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121900 const GURL& url,
creisf164daa2016-06-07 00:17:051901 const url::Origin& origin,
Eugene But7cc259d2017-10-09 23:52:491902 bool renderer_says_same_document,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571903 RenderFrameHost* rfh) {
creis225a7432016-06-03 22:56:271904 RenderFrameHostImpl* rfhi = static_cast<RenderFrameHostImpl*>(rfh);
avidb7d1d22015-06-08 21:21:501905 GURL last_committed_url;
1906 if (rfh->GetParent()) {
creis225a7432016-06-03 22:56:271907 // Use the FrameTreeNode's current_url and not rfh->GetLastCommittedURL(),
1908 // which might be empty in a new RenderFrameHost after a process swap.
1909 // Here, we care about the last committed URL in the FrameTreeNode,
1910 // regardless of which process it is in.
1911 last_committed_url = rfhi->frame_tree_node()->current_url();
avidb7d1d22015-06-08 21:21:501912 } else {
1913 NavigationEntry* last_committed = GetLastCommittedEntry();
1914 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1915 // might Blink say that a navigation is in-page yet there be no last-
1916 // committed entry?
1917 if (!last_committed)
1918 return false;
1919 last_committed_url = last_committed->GetURL();
1920 }
1921
1922 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
creis225a7432016-06-03 22:56:271923 const url::Origin& committed_origin =
1924 rfhi->frame_tree_node()->current_origin();
avidb7d1d22015-06-08 21:21:501925 bool is_same_origin = last_committed_url.is_empty() ||
1926 // TODO(japhet): We should only permit navigations
1927 // originating from about:blank to be in-page if the
1928 // about:blank is the first document that frame loaded.
1929 // We don't have sufficient information to identify
1930 // that case at the moment, so always allow about:blank
1931 // for now.
csharrisona3bd0b32016-10-19 18:40:481932 last_committed_url == url::kAboutBlankURL ||
avidb7d1d22015-06-08 21:21:501933 last_committed_url.GetOrigin() == url.GetOrigin() ||
creisf164daa2016-06-07 00:17:051934 committed_origin == origin ||
avidb7d1d22015-06-08 21:21:501935 !prefs.web_security_enabled ||
1936 (prefs.allow_universal_access_from_file_urls &&
creisdc004e02015-11-20 21:28:471937 committed_origin.scheme() == url::kFileScheme);
Eugene But7cc259d2017-10-09 23:52:491938 if (!is_same_origin && renderer_says_same_document) {
avidb7d1d22015-06-08 21:21:501939 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1940 bad_message::NC_IN_PAGE_NAVIGATION);
1941 }
Eugene But7cc259d2017-10-09 23:52:491942 return is_same_origin && renderer_says_same_document;
[email protected]e9ba4472008-09-14 15:42:431943}
1944
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571945void NavigationControllerImpl::CopyStateFrom(NavigationController* temp,
Francois Dorayeaace782017-06-21 16:37:241946 bool needs_reload) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571947 NavigationControllerImpl* source =
1948 static_cast<NavigationControllerImpl*>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571949 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551950 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571951
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571952 if (source->GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571953 return; // Nothing new to do.
1954
Francois Dorayeaace782017-06-21 16:37:241955 needs_reload_ = needs_reload;
Bo Liucdfa4b12018-11-06 00:21:441956 needs_reload_type_ = NeedsReloadType::kCopyStateFrom;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571957 InsertEntriesFrom(source, source->GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571958
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571959 for (auto it = source->session_storage_namespace_map_.begin();
1960 it != source->session_storage_namespace_map_.end(); ++it) {
[email protected]fdac6ade2013-07-20 01:06:301961 SessionStorageNamespaceImpl* source_namespace =
1962 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1963 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1964 }
[email protected]4e6419c2010-01-15 04:50:341965
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571966 FinishRestore(source->last_committed_entry_index_,
toyoshim0df1d3a2016-09-09 09:52:481967 RestoreType::CURRENT_SESSION);
[email protected]ce3fa3c2009-04-20 19:55:571968}
1969
[email protected]d202a7c2012-01-04 07:53:471970void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571971 NavigationController* temp,
1972 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161973 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011974 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161975
[email protected]d202a7c2012-01-04 07:53:471976 NavigationControllerImpl* source =
1977 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251978
avi2b177592014-12-10 02:08:021979 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011980 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251981
[email protected]474f8512013-05-31 22:31:161982 // We now have one entry, possibly with a new pending entry. Ensure that
1983 // adding the entries from source won't put us over the limit.
1984 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571985 if (!replace_entry)
Shivani Sharmad8c8d652019-02-13 17:27:571986 source->PruneOldestSkippableEntryIfFull();
[email protected]944822b2012-03-02 20:57:251987
[email protected]47e020a2010-10-15 14:43:371988 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021989 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161990 // since it has not committed in source.
1991 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251992 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551993 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251994 else
1995 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571996
1997 // Ignore the source's current entry if merging with replacement.
1998 // TODO(davidben): This should preserve entries forward of the current
1999 // too. http://crbug.com/317872
2000 if (replace_entry && max_source_index > 0)
2001 max_source_index--;
2002
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572003 InsertEntriesFrom(source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:252004
2005 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:552006 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:142007
avi2b177592014-12-10 02:08:022008 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
2009 GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:252010}
2011
[email protected]79368982013-11-13 01:11:012012bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:162013 // If there is no last committed entry, we cannot prune. Even if there is a
2014 // pending entry, it may not commit, leaving this WebContents blank, despite
2015 // possibly giving it new entries via CopyStateFromAndPrune.
2016 if (last_committed_entry_index_ == -1)
2017 return false;
[email protected]9350602e2013-02-26 23:27:442018
[email protected]474f8512013-05-31 22:31:162019 // We cannot prune if there is a pending entry at an existing entry index.
2020 // It may not commit, so we have to keep the last committed entry, and thus
2021 // there is no sensible place to keep the pending entry. It is ok to have
2022 // a new pending entry, which can optionally commit as a new navigation.
2023 if (pending_entry_index_ != -1)
2024 return false;
2025
2026 // We should not prune if we are currently showing a transient entry.
2027 if (transient_entry_index_ != -1)
2028 return false;
2029
2030 return true;
2031}
2032
[email protected]79368982013-11-13 01:11:012033void NavigationControllerImpl::PruneAllButLastCommitted() {
2034 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:162035
avi2b177592014-12-10 02:08:022036 DCHECK_EQ(0, last_committed_entry_index_);
2037 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:442038
avi2b177592014-12-10 02:08:022039 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
2040 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:442041}
2042
[email protected]79368982013-11-13 01:11:012043void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:162044 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:012045 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:262046
[email protected]474f8512013-05-31 22:31:162047 // Erase all entries but the last committed entry. There may still be a
2048 // new pending entry after this.
2049 entries_.erase(entries_.begin(),
2050 entries_.begin() + last_committed_entry_index_);
2051 entries_.erase(entries_.begin() + 1, entries_.end());
2052 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:262053}
2054
Christian Dullweber1af31e62018-02-22 11:49:482055void NavigationControllerImpl::DeleteNavigationEntries(
2056 const DeletionPredicate& deletionPredicate) {
2057 // It is up to callers to check the invariants before calling this.
2058 CHECK(CanPruneAllButLastCommitted());
2059 std::vector<int> delete_indices;
2060 for (size_t i = 0; i < entries_.size(); i++) {
2061 if (i != static_cast<size_t>(last_committed_entry_index_) &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572062 deletionPredicate.Run(entries_[i].get())) {
Christian Dullweber1af31e62018-02-22 11:49:482063 delete_indices.push_back(i);
2064 }
2065 }
2066 if (delete_indices.empty())
2067 return;
2068
2069 if (delete_indices.size() == GetEntryCount() - 1U) {
2070 PruneAllButLastCommitted();
2071 } else {
2072 // Do the deletion in reverse to preserve indices.
2073 for (auto it = delete_indices.rbegin(); it != delete_indices.rend(); ++it) {
2074 RemoveEntryAtIndex(*it);
2075 }
2076 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
2077 GetEntryCount());
2078 }
2079 delegate()->NotifyNavigationEntriesDeleted();
2080}
2081
Shivani Sharma883f5f32019-02-12 18:20:012082bool NavigationControllerImpl::IsEntryMarkedToBeSkipped(int index) {
2083 auto* entry = GetEntryAtIndex(index);
2084 return entry && entry->should_skip_on_back_forward_ui();
2085}
2086
clamy987a3752018-05-03 17:36:262087void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
2088 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
2089 // progress, since this will cause a use-after-free. (We only allow this
2090 // when the tab is being destroyed for shutdown, since it won't return to
2091 // NavigateToEntry in that case.) http://crbug.com/347742.
2092 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
2093
2094 if (was_failure && pending_entry_) {
2095 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
2096 } else {
2097 failed_pending_entry_id_ = 0;
2098 }
2099
2100 if (pending_entry_) {
2101 if (pending_entry_index_ == -1)
2102 delete pending_entry_;
2103 pending_entry_index_ = -1;
2104 pending_entry_ = nullptr;
2105 }
2106}
2107
2108void NavigationControllerImpl::SetPendingNavigationSSLError(bool error) {
2109 if (pending_entry_)
2110 pending_entry_->set_ssl_error(error);
2111}
2112
Camille Lamy5193caa2018-10-12 11:59:422113#if defined(OS_ANDROID)
2114// static
2115bool NavigationControllerImpl::ValidateDataURLAsString(
2116 const scoped_refptr<const base::RefCountedString>& data_url_as_string) {
2117 if (!data_url_as_string)
2118 return false;
2119
2120 if (data_url_as_string->size() > kMaxLengthOfDataURLString)
2121 return false;
2122
2123 // The number of characters that is enough for validating a data: URI.
2124 // From the GURL's POV, the only important part here is scheme, it doesn't
2125 // check the actual content. Thus we can take only the prefix of the url, to
2126 // avoid unneeded copying of a potentially long string.
2127 const size_t kDataUriPrefixMaxLen = 64;
2128 GURL data_url(
2129 std::string(data_url_as_string->front_as<char>(),
2130 std::min(data_url_as_string->size(), kDataUriPrefixMaxLen)));
2131 if (!data_url.is_valid() || !data_url.SchemeIs(url::kDataScheme))
2132 return false;
2133
2134 return true;
2135}
2136#endif
2137
Shivani Sharma194877032019-03-07 17:52:472138void NavigationControllerImpl::NotifyUserActivation() {
2139 // When a user activation occurs, ensure that all adjacent entries for the
2140 // same document clear their skippable bit, so that the history manipulation
2141 // intervention does not apply to them.
Shivani Sharmaffb32b82019-04-09 16:58:472142 // TODO(crbug.com/949279) in case it becomes necessary for resetting based on
2143 // which frame created an entry and which frame has the user gesture.
Shivani Sharma194877032019-03-07 17:52:472144 auto* last_committed_entry = GetLastCommittedEntry();
2145 if (!last_committed_entry)
2146 return;
2147 int last_committed_entry_index = GetLastCommittedEntryIndex();
2148
2149 auto* root_frame = delegate_->GetFrameTree()->root();
2150 auto* frame_entry = last_committed_entry->GetFrameEntry(root_frame);
2151 if (!frame_entry)
2152 return;
2153
2154 int64_t document_sequence_number = frame_entry->document_sequence_number();
2155
2156 // |last_committed_entry| should not be skippable because it is the current
2157 // entry and in case the skippable bit was earlier set then on re-navigation
2158 // it would have been reset.
2159 DCHECK(!last_committed_entry->should_skip_on_back_forward_ui());
2160
2161 for (int index = last_committed_entry_index - 1; index >= 0; index--) {
2162 auto* entry = GetEntryAtIndex(index);
2163 if (!ResetSkippableForSameDocumentEntry(root_frame,
2164 document_sequence_number, entry)) {
2165 break;
2166 }
2167 }
2168 for (int index = last_committed_entry_index + 1; index < GetEntryCount();
2169 index++) {
2170 auto* entry = GetEntryAtIndex(index);
2171 if (!ResetSkippableForSameDocumentEntry(root_frame,
2172 document_sequence_number, entry)) {
2173 break;
2174 }
2175 }
2176}
2177
clamy987a3752018-05-03 17:36:262178bool NavigationControllerImpl::StartHistoryNavigationInNewSubframe(
2179 RenderFrameHostImpl* render_frame_host,
2180 const GURL& default_url) {
2181 NavigationEntryImpl* entry =
2182 GetEntryWithUniqueID(render_frame_host->nav_entry_id());
2183 if (!entry)
2184 return false;
2185
2186 FrameNavigationEntry* frame_entry =
2187 entry->GetFrameEntry(render_frame_host->frame_tree_node());
2188 if (!frame_entry)
2189 return false;
2190
2191 // Track how often history navigations load a different URL into a subframe
2192 // than the frame's default URL.
2193 bool restoring_different_url = frame_entry->url() != default_url;
2194 UMA_HISTOGRAM_BOOLEAN("SessionRestore.RestoredSubframeURL",
2195 restoring_different_url);
2196 // If this frame's unique name uses a frame path, record the name length.
2197 // If these names are long in practice, then a proposed plan to truncate
2198 // unique names might affect restore behavior, since it is complex to deal
2199 // with truncated names inside frame paths.
2200 if (restoring_different_url) {
2201 const std::string& unique_name =
2202 render_frame_host->frame_tree_node()->unique_name();
2203 const char kFramePathPrefix[] = "<!--framePath ";
2204 if (base::StartsWith(unique_name, kFramePathPrefix,
2205 base::CompareCase::SENSITIVE)) {
Steven Holte95922222018-09-14 20:06:232206 UMA_HISTOGRAM_COUNTS_1M("SessionRestore.RestoreSubframeFramePathLength",
2207 unique_name.size());
clamy987a3752018-05-03 17:36:262208 }
2209 }
2210
Camille Lamy5193caa2018-10-12 11:59:422211 std::unique_ptr<NavigationRequest> request = CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572212 render_frame_host->frame_tree_node(), entry, frame_entry,
clamyea99ea12018-05-28 13:54:232213 ReloadType::NONE, false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422214 true /* is_history_navigation_in_new_child */);
clamyea99ea12018-05-28 13:54:232215
2216 if (!request)
2217 return false;
2218
2219 render_frame_host->frame_tree_node()->navigator()->Navigate(
2220 std::move(request), ReloadType::NONE, RestoreType::NONE);
2221
2222 return true;
clamy987a3752018-05-03 17:36:262223}
2224
Dave Tapuska8bfd84c2019-03-26 20:47:162225void NavigationControllerImpl::GoToOffsetInSandboxedFrame(
2226 int offset,
2227 int sandbox_frame_tree_node_id) {
2228 if (!CanGoToOffset(offset))
2229 return;
2230 GoToIndex(GetIndexForOffset(offset), sandbox_frame_tree_node_id);
2231}
2232
clamy987a3752018-05-03 17:36:262233void NavigationControllerImpl::NavigateFromFrameProxy(
2234 RenderFrameHostImpl* render_frame_host,
2235 const GURL& url,
Nasko Oskov93e7c55c2018-12-19 01:59:292236 const url::Origin& initiator_origin,
clamy987a3752018-05-03 17:36:262237 bool is_renderer_initiated,
2238 SiteInstance* source_site_instance,
2239 const Referrer& referrer,
2240 ui::PageTransition page_transition,
2241 bool should_replace_current_entry,
Charlie Harrison8c113a32019-01-07 16:08:292242 NavigationDownloadPolicy download_policy,
clamy987a3752018-05-03 17:36:262243 const std::string& method,
2244 scoped_refptr<network::ResourceRequestBody> post_body,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092245 const std::string& extra_headers,
2246 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
clamy987a3752018-05-03 17:36:262247 FrameTreeNode* node = render_frame_host->frame_tree_node();
Nasko Oskov18006bc2018-12-06 02:53:582248
clamy987a3752018-05-03 17:36:262249 // Create a NavigationEntry for the transfer, without making it the pending
2250 // entry. Subframe transfers should have a clone of the last committed entry
2251 // with a FrameNavigationEntry for the target frame. Main frame transfers
2252 // should have a new NavigationEntry.
2253 // TODO(creis): Make this unnecessary by creating (and validating) the params
2254 // directly, passing them to the destination RenderFrameHost. See
2255 // https://crbug.com/536906.
2256 std::unique_ptr<NavigationEntryImpl> entry;
2257 if (!node->IsMainFrame()) {
2258 // Subframe case: create FrameNavigationEntry.
2259 if (GetLastCommittedEntry()) {
2260 entry = GetLastCommittedEntry()->Clone();
2261 entry->set_extra_headers(extra_headers);
2262 // TODO(arthursonzogni): What about |is_renderer_initiated|?
2263 // Renderer-initiated navigation that target a remote frame are currently
2264 // classified as browser-initiated when this one has already navigated.
2265 // See https://crbug.com/722251.
2266 } else {
2267 // If there's no last committed entry, create an entry for about:blank
2268 // with a subframe entry for our destination.
2269 // TODO(creis): Ensure this case can't exist in https://crbug.com/524208.
2270 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2271 GURL(url::kAboutBlankURL), referrer, page_transition,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092272 is_renderer_initiated, extra_headers, browser_context_,
2273 nullptr /* blob_url_loader_factory */));
clamy987a3752018-05-03 17:36:262274 }
2275 entry->AddOrUpdateFrameEntry(
2276 node, -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582277 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Nasko Oskov03912102019-01-11 00:21:322278 base::nullopt /* commit_origin */, referrer, std::vector<GURL>(),
2279 PageState(), method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262280 } else {
2281 // Main frame case.
2282 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2283 url, referrer, page_transition, is_renderer_initiated, extra_headers,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092284 browser_context_, blob_url_loader_factory));
clamy987a3752018-05-03 17:36:262285 entry->root_node()->frame_entry->set_source_site_instance(
2286 static_cast<SiteInstanceImpl*>(source_site_instance));
2287 entry->root_node()->frame_entry->set_method(method);
2288 }
clamy987a3752018-05-03 17:36:262289
2290 // Don't allow an entry replacement if there is no entry to replace.
2291 // http://crbug.com/457149
2292 if (should_replace_current_entry && GetEntryCount() > 0)
2293 entry->set_should_replace_entry(true);
Camille Lamy5193caa2018-10-12 11:59:422294
2295 bool override_user_agent = false;
clamy987a3752018-05-03 17:36:262296 if (GetLastCommittedEntry() &&
2297 GetLastCommittedEntry()->GetIsOverridingUserAgent()) {
2298 entry->SetIsOverridingUserAgent(true);
Camille Lamy5193caa2018-10-12 11:59:422299 override_user_agent = true;
clamy987a3752018-05-03 17:36:262300 }
2301 // TODO(creis): Set user gesture and intent received timestamp on Android.
2302
2303 // We may not have successfully added the FrameNavigationEntry to |entry|
2304 // above (per https://crbug.com/608402), in which case we create it from
2305 // scratch. This works because we do not depend on |frame_entry| being inside
2306 // |entry| during NavigateToEntry. This will go away when we shortcut this
2307 // further in https://crbug.com/536906.
2308 scoped_refptr<FrameNavigationEntry> frame_entry(entry->GetFrameEntry(node));
2309 if (!frame_entry) {
2310 frame_entry = new FrameNavigationEntry(
2311 node->unique_name(), -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582312 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Nasko Oskov03912102019-01-11 00:21:322313 nullptr /* origin */, referrer, std::vector<GURL>(), PageState(),
2314 method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262315 }
2316
Camille Lamy5193caa2018-10-12 11:59:422317 LoadURLParams params(url);
Nasko Oskov93e7c55c2018-12-19 01:59:292318 params.initiator_origin = initiator_origin;
Camille Lamy5193caa2018-10-12 11:59:422319 params.source_site_instance = source_site_instance;
2320 params.load_type = method == "POST" ? LOAD_TYPE_HTTP_POST : LOAD_TYPE_DEFAULT;
2321 params.transition_type = page_transition;
2322 params.frame_tree_node_id =
2323 render_frame_host->frame_tree_node()->frame_tree_node_id();
2324 params.referrer = referrer;
2325 /* params.redirect_chain: skip */
2326 params.extra_headers = extra_headers;
2327 params.is_renderer_initiated = is_renderer_initiated;
2328 params.override_user_agent = UA_OVERRIDE_INHERIT;
2329 /* params.base_url_for_data_url: skip */
2330 /* params.virtual_url_for_data_url: skip */
2331 /* params.data_url_as_string: skip */
2332 params.post_data = post_body;
2333 params.can_load_local_resources = false;
2334 params.should_replace_current_entry = false;
2335 /* params.frame_name: skip */
2336 // TODO(clamy): See if user gesture should be propagated to this function.
2337 params.has_user_gesture = false;
2338 params.should_clear_history_list = false;
2339 params.started_from_context_menu = false;
2340 /* params.navigation_ui_data: skip */
2341 /* params.input_start: skip */
2342 params.was_activated = WasActivatedOption::kUnknown;
Robert Ogden011a8082019-01-23 19:04:542343 /* params.reload_type: skip */
Camille Lamy5193caa2018-10-12 11:59:422344
2345 std::unique_ptr<NavigationRequest> request =
2346 CreateNavigationRequestFromLoadParams(
2347 render_frame_host->frame_tree_node(), params, override_user_agent,
2348 should_replace_current_entry, false /* has_user_gesture */,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572349 download_policy, ReloadType::NONE, entry.get(), frame_entry.get());
clamyea99ea12018-05-28 13:54:232350
2351 if (!request)
2352 return;
2353
2354 render_frame_host->frame_tree_node()->navigator()->Navigate(
2355 std::move(request), ReloadType::NONE, RestoreType::NONE);
clamy987a3752018-05-03 17:36:262356}
2357
[email protected]d1198fd2012-08-13 22:50:192358void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:302359 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:212360 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:192361 if (!session_storage_namespace)
2362 return;
2363
2364 // We can't overwrite an existing SessionStorage without violating spec.
2365 // Attempts to do so may give a tab access to another tab's session storage
2366 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:302367 bool successful_insert = session_storage_namespace_map_.insert(
2368 make_pair(partition_id,
2369 static_cast<SessionStorageNamespaceImpl*>(
2370 session_storage_namespace)))
2371 .second;
2372 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:192373}
2374
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572375bool NavigationControllerImpl::IsUnmodifiedBlankTab() {
[email protected]aa62afd2014-04-22 19:22:462376 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:102377 !GetLastCommittedEntry() &&
2378 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:462379}
2380
[email protected]a26023822011-12-29 00:23:552381SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:302382NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
2383 std::string partition_id;
2384 if (instance) {
2385 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
2386 // this if statement so |instance| must not be NULL.
2387 partition_id =
2388 GetContentClient()->browser()->GetStoragePartitionIdForSite(
2389 browser_context_, instance->GetSiteURL());
2390 }
[email protected]d1198fd2012-08-13 22:50:192391
[email protected]fdac6ade2013-07-20 01:06:302392 // TODO(ajwong): Should this use the |partition_id| directly rather than
2393 // re-lookup via |instance|? http://crbug.com/142685
2394 StoragePartition* partition =
michaelnbacbcbd2016-02-09 00:32:032395 BrowserContext::GetStoragePartition(browser_context_, instance);
2396 DOMStorageContextWrapper* context_wrapper =
2397 static_cast<DOMStorageContextWrapper*>(partition->GetDOMStorageContext());
2398
2399 SessionStorageNamespaceMap::const_iterator it =
2400 session_storage_namespace_map_.find(partition_id);
2401 if (it != session_storage_namespace_map_.end()) {
2402 // Ensure that this namespace actually belongs to this partition.
2403 DCHECK(static_cast<SessionStorageNamespaceImpl*>(it->second.get())->
2404 IsFromContext(context_wrapper));
2405 return it->second.get();
2406 }
2407
2408 // Create one if no one has accessed session storage for this partition yet.
Daniel Murphy31bbb8b12018-02-07 21:44:102409 scoped_refptr<SessionStorageNamespaceImpl> session_storage_namespace =
2410 SessionStorageNamespaceImpl::Create(context_wrapper);
2411 SessionStorageNamespaceImpl* session_storage_namespace_ptr =
2412 session_storage_namespace.get();
2413 session_storage_namespace_map_[partition_id] =
2414 std::move(session_storage_namespace);
[email protected]fdac6ade2013-07-20 01:06:302415
Daniel Murphy31bbb8b12018-02-07 21:44:102416 return session_storage_namespace_ptr;
[email protected]fdac6ade2013-07-20 01:06:302417}
2418
2419SessionStorageNamespace*
2420NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
2421 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
Ivan Kotenkov2c0d2bb32017-11-01 15:41:282422 return GetSessionStorageNamespace(nullptr);
[email protected]fdac6ade2013-07-20 01:06:302423}
2424
2425const SessionStorageNamespaceMap&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572426NavigationControllerImpl::GetSessionStorageNamespaceMap() {
[email protected]fdac6ade2013-07-20 01:06:302427 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:552428}
[email protected]d202a7c2012-01-04 07:53:472429
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572430bool NavigationControllerImpl::NeedsReload() {
[email protected]71fde352011-12-29 03:29:562431 return needs_reload_;
2432}
[email protected]a26023822011-12-29 00:23:552433
[email protected]46bb5e9c2013-10-03 22:16:472434void NavigationControllerImpl::SetNeedsReload() {
2435 needs_reload_ = true;
Bo Liucdfa4b12018-11-06 00:21:442436 needs_reload_type_ = NeedsReloadType::kRequestedByClient;
jaekyunc8cefa82015-01-09 20:14:542437
2438 if (last_committed_entry_index_ != -1) {
2439 entries_[last_committed_entry_index_]->SetTransitionType(
2440 ui::PAGE_TRANSITION_RELOAD);
2441 }
[email protected]46bb5e9c2013-10-03 22:16:472442}
2443
[email protected]d202a7c2012-01-04 07:53:472444void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:552445 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:122446 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:312447
2448 DiscardNonCommittedEntries();
2449
2450 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:122451 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:312452 last_committed_entry_index_--;
2453}
2454
[email protected]d202a7c2012-01-04 07:53:472455void NavigationControllerImpl::DiscardNonCommittedEntries() {
pdr15f5b5b2017-06-20 00:58:002456 bool transient = transient_entry_index_ != -1;
[email protected]cbab76d2008-10-13 22:42:472457 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:292458
pdr15f5b5b2017-06-20 00:58:002459 // If there was a transient entry, invalidate everything so the new active
2460 // entry state is shown.
2461 if (transient) {
2462 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:472463 }
initial.commit09911bf2008-07-26 23:55:292464}
2465
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572466NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() {
arthursonzogni5c4c202d2017-04-25 23:41:272467 // If there is no pending_entry_, there should be no pending_entry_index_.
2468 DCHECK(pending_entry_ || pending_entry_index_ == -1);
2469
2470 // If there is a pending_entry_index_, then pending_entry_ must be the entry
2471 // at that index.
2472 DCHECK(pending_entry_index_ == -1 ||
2473 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
2474
[email protected]022af742011-12-28 18:37:252475 return pending_entry_;
2476}
2477
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572478int NavigationControllerImpl::GetPendingEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:272479 // The pending entry index must always be less than the number of entries.
2480 // If there are no entries, it must be exactly -1.
2481 DCHECK_LT(pending_entry_index_, GetEntryCount());
2482 DCHECK(GetEntryCount() != 0 || pending_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:552483 return pending_entry_index_;
2484}
2485
avi25764702015-06-23 15:43:372486void NavigationControllerImpl::InsertOrReplaceEntry(
dcheng9bfa5162016-04-09 01:00:572487 std::unique_ptr<NavigationEntryImpl> entry,
2488 bool replace) {
mastiz7eddb5f72016-06-23 09:52:452489 DCHECK(!ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
2490 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
[email protected]765b35502008-08-21 00:51:202491
avi5cad4912015-06-19 05:25:442492 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
2493 // need to keep continuity with the pending entry, so copy the pending entry's
2494 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
2495 // then the renderer navigated on its own, independent of the pending entry,
2496 // so don't copy anything.
2497 if (pending_entry_ && pending_entry_index_ == -1)
2498 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:202499
[email protected]cbab76d2008-10-13 22:42:472500 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:202501
2502 int current_size = static_cast<int>(entries_.size());
creisee17e932015-07-17 17:56:222503
2504 // When replacing, don't prune the forward history.
creis37979a62015-08-04 19:48:182505 if (replace && current_size > 0) {
Mikel Astizba9cf2fd2017-12-17 10:38:102506 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572507 entries_[last_committed_entry_index_].get(), entry.get());
dcheng36b6aec92015-12-26 06:16:362508 entries_[last_committed_entry_index_] = std::move(entry);
creisee17e932015-07-17 17:56:222509 return;
2510 }
[email protected]765b35502008-08-21 00:51:202511
creis37979a62015-08-04 19:48:182512 // We shouldn't see replace == true when there's no committed entries.
2513 DCHECK(!replace);
2514
[email protected]765b35502008-08-21 00:51:202515 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:452516 // Prune any entries which are in front of the current entry.
[email protected]47dcbdc2011-05-27 15:08:312517 // last_committed_entry_index_ must be updated here since calls to
2518 // NotifyPrunedEntries() below may re-enter and we must make sure
2519 // last_committed_entry_index_ is not left in an invalid state.
[email protected]c12bf1a12008-09-17 16:28:492520 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:312521 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:492522 num_pruned++;
[email protected]765b35502008-08-21 00:51:202523 entries_.pop_back();
2524 current_size--;
2525 }
Shivani Sharmab9c46de82019-02-08 16:54:502526 if (num_pruned > 0) { // Only notify if we did prune something.
2527 NotifyPrunedEntries(this,
2528 last_committed_entry_index_ + 1 /* start index */,
2529 num_pruned /* count */);
2530 }
[email protected]765b35502008-08-21 00:51:202531 }
2532
Shivani Sharmad8c8d652019-02-13 17:27:572533 PruneOldestSkippableEntryIfFull();
[email protected]765b35502008-08-21 00:51:202534
dcheng36b6aec92015-12-26 06:16:362535 entries_.push_back(std::move(entry));
[email protected]765b35502008-08-21 00:51:202536 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
initial.commit09911bf2008-07-26 23:55:292537}
2538
Shivani Sharmad8c8d652019-02-13 17:27:572539void NavigationControllerImpl::PruneOldestSkippableEntryIfFull() {
Shivani Sharma2d5b4b6b2019-01-08 16:07:162540 if (entries_.size() < max_entry_count())
2541 return;
2542
2543 DCHECK_EQ(max_entry_count(), entries_.size());
2544 DCHECK_GT(last_committed_entry_index_, 0);
Shivani Sharmad8c8d652019-02-13 17:27:572545 CHECK_EQ(pending_entry_index_, -1);
2546
2547 int index = 0;
2548 if (base::FeatureList::IsEnabled(
2549 features::kHistoryManipulationIntervention)) {
2550 // Retrieve the oldest skippable entry.
2551 for (; index < GetEntryCount(); index++) {
2552 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
2553 break;
2554 }
2555 }
2556
2557 // If there is no skippable entry or if it is the last committed entry then
2558 // fall back to pruning the oldest entry. It is not safe to prune the last
2559 // committed entry.
2560 if (index == GetEntryCount() || index == last_committed_entry_index_)
2561 index = 0;
2562
2563 bool should_succeed = RemoveEntryAtIndex(index);
2564 DCHECK_EQ(true, should_succeed);
2565
2566 NotifyPrunedEntries(this, index, 1);
[email protected]944822b2012-03-02 20:57:252567}
2568
clamy3cb9bea92018-07-10 12:42:022569void NavigationControllerImpl::NavigateToExistingPendingEntry(
Dave Tapuska8bfd84c2019-03-26 20:47:162570 ReloadType reload_type,
2571 int sandboxed_source_frame_tree_node_id) {
arthursonzogni5c4c202d2017-04-25 23:41:272572 DCHECK(pending_entry_);
clamy3cb9bea92018-07-10 12:42:022573 DCHECK(IsInitialNavigation() || pending_entry_index_ != -1);
2574 DCHECK(!IsRendererDebugURL(pending_entry_->GetURL()));
[email protected]72097fd02010-01-21 23:36:012575 needs_reload_ = false;
Arthur Sonzogni620cec62018-12-13 13:08:572576 FrameTreeNode* root = delegate_->GetFrameTree()->root();
2577 int nav_entry_id = pending_entry_->GetUniqueID();
2578
2579 // BackForwardCache:
2580 // Try to restore a document from the BackForwardCache.
2581 if (auto rfh = back_forward_cache_.RestoreDocument(nav_entry_id)) {
2582 root->render_manager()->RestoreFromBackForwardCache(std::move(rfh));
2583 CommitRestoreFromBackForwardCache();
2584 return;
2585 }
[email protected]72097fd02010-01-21 23:36:012586
[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);
2655 UMA_HISTOGRAM_BOOLEAN(
2656 "Navigation.SandboxFrameBackForwardStaysWithinSubtree",
2657 navigates_inside_tree);
2658
2659 // Also count the navigations as web use counters so we can determine
2660 // the number of pages that trigger this.
2661 FrameTreeNode* sandbox_source_frame_tree_node =
2662 FrameTreeNode::GloballyFindByID(sandboxed_source_frame_tree_node_id);
2663 if (sandbox_source_frame_tree_node) {
2664 GetContentClient()->browser()->LogWebFeatureForCurrentPage(
2665 sandbox_source_frame_tree_node->current_frame_host(),
2666 navigates_inside_tree
2667 ? blink::mojom::WebFeature::kSandboxBackForwardStaysWithinSubtree
2668 : blink::mojom::WebFeature::
2669 kSandboxBackForwardAffectsFramesOutsideSubtree);
2670 }
2671 }
2672
clamy3cb9bea92018-07-10 12:42:022673 // If an interstitial page is showing, the previous renderer is blocked and
2674 // cannot make new requests. Unblock (and disable) it to allow this
2675 // navigation to succeed. The interstitial will stay visible until the
2676 // resulting DidNavigate.
2677 // TODO(clamy): See if this can be removed now that PlzNavigate has shipped.
2678 // See https://crbug.com/849250
2679 if (delegate_->GetInterstitialPage()) {
2680 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
2681 ->CancelForNavigation();
2682 }
2683
2684 // This call does not support re-entrancy. See http://crbug.com/347742.
2685 CHECK(!in_navigate_to_pending_entry_);
2686 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:302687
2688 // Send all the same document frame loads before the different document loads.
clamy3cb9bea92018-07-10 12:42:022689 for (auto& item : same_document_loads) {
2690 FrameTreeNode* frame = item->frame_tree_node();
2691 frame->navigator()->Navigate(std::move(item), reload_type,
2692 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302693 }
clamy3cb9bea92018-07-10 12:42:022694 for (auto& item : different_document_loads) {
2695 FrameTreeNode* frame = item->frame_tree_node();
2696 frame->navigator()->Navigate(std::move(item), reload_type,
2697 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302698 }
clamy3cb9bea92018-07-10 12:42:022699
2700 in_navigate_to_pending_entry_ = false;
creis4e2ecb72015-06-20 00:46:302701}
2702
2703void NavigationControllerImpl::FindFramesToNavigate(
2704 FrameTreeNode* frame,
clamy3cb9bea92018-07-10 12:42:022705 ReloadType reload_type,
2706 std::vector<std::unique_ptr<NavigationRequest>>* same_document_loads,
2707 std::vector<std::unique_ptr<NavigationRequest>>* different_document_loads) {
arthursonzogni03f76152019-02-12 10:35:202708 // A frame pending deletion is not allowed to navigate anymore. It has been
2709 // deleted and the browser already committed to destroying this
2710 // RenderFrameHost. See https://crbug.com/930278.
2711 if (!frame->current_frame_host()->is_active())
2712 return;
2713
creis4e2ecb72015-06-20 00:46:302714 DCHECK(pending_entry_);
2715 DCHECK_GE(last_committed_entry_index_, 0);
2716 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
creis225a7432016-06-03 22:56:272717 // TODO(creis): Store the last committed FrameNavigationEntry to use here,
2718 // rather than assuming the NavigationEntry has up to date info on subframes.
creis4e2ecb72015-06-20 00:46:302719 FrameNavigationEntry* old_item =
2720 GetLastCommittedEntry()->GetFrameEntry(frame);
2721 if (!new_item)
2722 return;
2723
2724 // Schedule a load in this frame if the new item isn't for the same item
creis7115a702015-12-03 18:55:562725 // sequence number in the same SiteInstance. Newly restored items may not have
2726 // a SiteInstance yet, in which case it will be assigned on first commit.
creis4e2ecb72015-06-20 00:46:302727 if (!old_item ||
2728 new_item->item_sequence_number() != old_item->item_sequence_number() ||
creis7115a702015-12-03 18:55:562729 (new_item->site_instance() != nullptr &&
2730 new_item->site_instance() != old_item->site_instance())) {
creis54131692016-08-12 18:32:252731 // Same document loads happen if the previous item has the same document
2732 // sequence number. Note that we should treat them as different document if
2733 // the destination RenderFrameHost (which is necessarily the current
2734 // RenderFrameHost for same document navigations) doesn't have a last
2735 // committed page. This case can happen for Ctrl+Back or after a renderer
2736 // crash.
creis4e2ecb72015-06-20 00:46:302737 if (old_item &&
2738 new_item->document_sequence_number() ==
creis54131692016-08-12 18:32:252739 old_item->document_sequence_number() &&
Avi Drissman2eb7a482017-11-30 04:36:312740 !frame->current_frame_host()->GetLastCommittedURL().is_empty()) {
clamy3cb9bea92018-07-10 12:42:022741 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422742 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572743 frame, pending_entry_, new_item, reload_type,
clamy3cb9bea92018-07-10 12:42:022744 true /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422745 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022746 if (navigation_request) {
2747 // Only add the request if was properly created. It's possible for the
2748 // creation to fail in certain cases, e.g. when the URL is invalid.
2749 same_document_loads->push_back(std::move(navigation_request));
2750 }
avib48cb312016-05-05 21:35:002751
2752 // TODO(avi, creis): This is a bug; we should not return here. Rather, we
2753 // should continue on and navigate all child frames which have also
2754 // changed. This bug is the cause of <https://crbug.com/542299>, which is
2755 // a NC_IN_PAGE_NAVIGATION renderer kill.
2756 //
2757 // However, this bug is a bandaid over a deeper and worse problem. Doing a
2758 // pushState immediately after loading a subframe is a race, one that no
2759 // web page author expects. If we fix this bug, many large websites break.
2760 // For example, see <https://crbug.com/598043> and the spec discussion at
2761 // <https://github.com/whatwg/html/issues/1191>.
2762 //
2763 // For now, we accept this bug, and hope to resolve the race in a
2764 // different way that will one day allow us to fix this.
2765 return;
creis4e2ecb72015-06-20 00:46:302766 } else {
clamy3cb9bea92018-07-10 12:42:022767 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422768 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572769 frame, pending_entry_, new_item, reload_type,
clamy3cb9bea92018-07-10 12:42:022770 false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422771 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022772 if (navigation_request) {
2773 // Only add the request if was properly created. It's possible for the
2774 // creation to fail in certain cases, e.g. when the URL is invalid.
2775 different_document_loads->push_back(std::move(navigation_request));
2776 }
avib3b47ab2016-01-22 20:53:582777 // For a different document, the subframes will be destroyed, so there's
2778 // no need to consider them.
2779 return;
creis4e2ecb72015-06-20 00:46:302780 }
creis4e2ecb72015-06-20 00:46:302781 }
2782
2783 for (size_t i = 0; i < frame->child_count(); i++) {
clamy3cb9bea92018-07-10 12:42:022784 FindFramesToNavigate(frame->child_at(i), reload_type, same_document_loads,
creis4e2ecb72015-06-20 00:46:302785 different_document_loads);
2786 }
2787}
2788
clamy21718cc22018-06-13 13:34:242789void NavigationControllerImpl::NavigateWithoutEntry(
2790 const LoadURLParams& params) {
2791 // Find the appropriate FrameTreeNode.
2792 FrameTreeNode* node = nullptr;
2793 if (params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId ||
2794 !params.frame_name.empty()) {
2795 node = params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId
2796 ? delegate_->GetFrameTree()->FindByID(params.frame_tree_node_id)
2797 : delegate_->GetFrameTree()->FindByName(params.frame_name);
2798 }
2799
2800 // If no FrameTreeNode was specified, navigate the main frame.
2801 if (!node)
2802 node = delegate_->GetFrameTree()->root();
2803
Camille Lamy5193caa2018-10-12 11:59:422804 // Compute overrides to the LoadURLParams for |override_user_agent|,
2805 // |should_replace_current_entry| and |has_user_gesture| that will be used
2806 // both in the creation of the NavigationEntry and the NavigationRequest.
2807 // Ideally, the LoadURLParams themselves would be updated, but since they are
2808 // passed as a const reference, this is not possible.
2809 // TODO(clamy): When we only create a NavigationRequest, move this to
2810 // CreateNavigationRequestFromLoadURLParams.
2811 bool override_user_agent = ShouldOverrideUserAgent(params.override_user_agent,
2812 GetLastCommittedEntry());
2813
2814 // Don't allow an entry replacement if there is no entry to replace.
2815 // http://crbug.com/457149
2816 bool should_replace_current_entry =
2817 params.should_replace_current_entry && entries_.size();
2818
2819 // Always propagate `has_user_gesture` on Android but only when the request
2820 // was originated by the renderer on other platforms. This is merely for
2821 // backward compatibility as browser process user gestures create confusion in
2822 // many tests.
2823 bool has_user_gesture = false;
2824#if defined(OS_ANDROID)
2825 has_user_gesture = params.has_user_gesture;
2826#else
2827 if (params.is_renderer_initiated)
2828 has_user_gesture = params.has_user_gesture;
2829#endif
2830
clamy21718cc22018-06-13 13:34:242831 // Javascript URLs should not create NavigationEntries. All other navigations
2832 // do, including navigations to chrome renderer debug URLs.
2833 std::unique_ptr<NavigationEntryImpl> entry;
2834 if (!params.url.SchemeIs(url::kJavaScriptScheme)) {
Camille Lamy5193caa2018-10-12 11:59:422835 entry = CreateNavigationEntryFromLoadParams(
2836 node, params, override_user_agent, should_replace_current_entry,
2837 has_user_gesture);
clamy21718cc22018-06-13 13:34:242838 DiscardPendingEntry(false);
2839 SetPendingEntry(std::move(entry));
2840 }
2841
2842 // Renderer-debug URLs are sent to the renderer process immediately for
2843 // processing and don't need to create a NavigationRequest.
2844 // Note: this includes navigations to JavaScript URLs, which are considered
2845 // renderer-debug URLs.
2846 // Note: we intentionally leave the pending entry in place for renderer debug
2847 // URLs, unlike the cases below where we clear it if the navigation doesn't
2848 // proceed.
2849 if (IsRendererDebugURL(params.url)) {
Oleg Davydov2cc0167b2019-02-05 14:32:482850 // Renderer-debug URLs won't go through NavigationThrottlers so we have to
2851 // check them explicitly. See bug 913334.
2852 if (GetContentClient()->browser()->IsRendererDebugURLBlacklisted(
2853 params.url, browser_context_)) {
2854 DiscardPendingEntry(false);
2855 return;
2856 }
2857
clamy21718cc22018-06-13 13:34:242858 HandleRendererDebugURL(node, params.url);
2859 return;
2860 }
2861
2862 // Convert navigations to the current URL to a reload.
2863 // TODO(clamy): We should be using FrameTreeNode::IsMainFrame here instead of
2864 // relying on the frame tree node id from LoadURLParams. Unfortunately,
2865 // DevTools sometimes issues navigations to main frames that they do not
2866 // expect to see treated as reload, and it only works because they pass a
2867 // FrameTreeNode id in their LoadURLParams. Change this once they no longer do
2868 // that. See https://crbug.com/850926.
Robert Ogden011a8082019-01-23 19:04:542869 ReloadType reload_type = params.reload_type;
2870 if (reload_type == ReloadType::NONE &&
2871 ShouldTreatNavigationAsReload(
clamy21718cc22018-06-13 13:34:242872 params.url, pending_entry_->GetVirtualURL(),
2873 params.base_url_for_data_url, params.transition_type,
2874 params.frame_tree_node_id == RenderFrameHost::kNoFrameTreeNodeId,
2875 params.load_type ==
2876 NavigationController::LOAD_TYPE_HTTP_POST /* is_post */,
2877 false /* is_reload */, false /* is_navigation_to_existing_entry */,
2878 transient_entry_index_ != -1 /* has_interstitial */,
2879 GetLastCommittedEntry())) {
2880 reload_type = ReloadType::NORMAL;
2881 }
2882
2883 // navigation_ui_data should only be present for main frame navigations.
2884 DCHECK(node->IsMainFrame() || !params.navigation_ui_data);
2885
clamy21718cc22018-06-13 13:34:242886 DCHECK(pending_entry_);
Camille Lamy5193caa2018-10-12 11:59:422887 std::unique_ptr<NavigationRequest> request =
2888 CreateNavigationRequestFromLoadParams(
2889 node, params, override_user_agent, should_replace_current_entry,
Yao Xiaoaf79ca9b2019-03-12 19:54:182890 has_user_gesture, NavigationDownloadPolicy(), reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572891 pending_entry_, pending_entry_->GetFrameEntry(node));
clamy21718cc22018-06-13 13:34:242892
2893 // If the navigation couldn't start, return immediately and discard the
2894 // pending NavigationEntry.
2895 if (!request) {
2896 DiscardPendingEntry(false);
2897 return;
2898 }
2899
Camille Lamy5193caa2018-10-12 11:59:422900#if DCHECK_IS_ON()
2901 // Safety check that NavigationRequest and NavigationEntry match.
2902 ValidateRequestMatchesEntry(request.get(), pending_entry_);
2903#endif
2904
clamy21718cc22018-06-13 13:34:242905 // If an interstitial page is showing, the previous renderer is blocked and
2906 // cannot make new requests. Unblock (and disable) it to allow this
2907 // navigation to succeed. The interstitial will stay visible until the
2908 // resulting DidNavigate.
2909 if (delegate_->GetInterstitialPage()) {
2910 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
2911 ->CancelForNavigation();
2912 }
2913
2914 // This call does not support re-entrancy. See http://crbug.com/347742.
2915 CHECK(!in_navigate_to_pending_entry_);
2916 in_navigate_to_pending_entry_ = true;
2917
2918 node->navigator()->Navigate(std::move(request), reload_type,
2919 RestoreType::NONE);
2920
2921 in_navigate_to_pending_entry_ = false;
2922}
2923
clamyea99ea12018-05-28 13:54:232924void NavigationControllerImpl::HandleRendererDebugURL(
2925 FrameTreeNode* frame_tree_node,
2926 const GURL& url) {
2927 if (!frame_tree_node->current_frame_host()->IsRenderFrameLive()) {
clamy21718cc22018-06-13 13:34:242928 // Any renderer-side debug URLs or javascript: URLs should be ignored if
2929 // the renderer process is not live, unless it is the initial navigation
2930 // of the tab.
clamyea99ea12018-05-28 13:54:232931 if (!IsInitialNavigation()) {
2932 DiscardNonCommittedEntries();
2933 return;
2934 }
2935 frame_tree_node->render_manager()->InitializeRenderFrameIfNecessary(
2936 frame_tree_node->current_frame_host());
2937 }
2938 frame_tree_node->current_frame_host()->HandleRendererDebugURL(url);
2939}
2940
clamy21718cc22018-06-13 13:34:242941std::unique_ptr<NavigationEntryImpl>
2942NavigationControllerImpl::CreateNavigationEntryFromLoadParams(
2943 FrameTreeNode* node,
Camille Lamy5193caa2018-10-12 11:59:422944 const LoadURLParams& params,
2945 bool override_user_agent,
2946 bool should_replace_current_entry,
2947 bool has_user_gesture) {
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:392948 // Browser initiated navigations might not have a blob_url_loader_factory set
2949 // in params even if the navigation is to a blob URL. If that happens, lookup
2950 // the correct url loader factory to use here.
2951 auto blob_url_loader_factory = params.blob_url_loader_factory;
2952 if (!blob_url_loader_factory && blink::BlobUtils::MojoBlobURLsEnabled() &&
2953 params.url.SchemeIsBlob()) {
2954 blob_url_loader_factory = ChromeBlobStorageContext::URLLoaderFactoryForUrl(
2955 GetBrowserContext(), params.url);
2956 }
2957
clamy21718cc22018-06-13 13:34:242958 std::unique_ptr<NavigationEntryImpl> entry;
Tommy C. Li03eee77a2019-02-05 02:07:442959 // extra_headers in params are \n separated; navigation entries want \r\n.
2960 std::string extra_headers_crlf;
2961 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
clamy21718cc22018-06-13 13:34:242962
2963 // For subframes, create a pending entry with a corresponding frame entry.
2964 if (!node->IsMainFrame()) {
Tommy C. Li03eee77a2019-02-05 02:07:442965 if (GetLastCommittedEntry()) {
2966 // Create an identical NavigationEntry with a new FrameNavigationEntry for
2967 // the target subframe.
2968 entry = GetLastCommittedEntry()->Clone();
2969 } else {
2970 // If there's no last committed entry, create an entry for about:blank
2971 // with a subframe entry for our destination.
2972 // TODO(creis): Ensure this case can't exist in https://crbug.com/524208.
2973 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2974 GURL(url::kAboutBlankURL), params.referrer, params.transition_type,
2975 params.is_renderer_initiated, extra_headers_crlf, browser_context_,
2976 blob_url_loader_factory));
2977 }
Nasko Oskov18006bc2018-12-06 02:53:582978
clamy21718cc22018-06-13 13:34:242979 entry->AddOrUpdateFrameEntry(
2980 node, -1, -1, nullptr,
2981 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()),
Nasko Oskov03912102019-01-11 00:21:322982 params.url, base::nullopt, params.referrer, params.redirect_chain,
2983 PageState(), "GET", -1, blob_url_loader_factory);
clamy21718cc22018-06-13 13:34:242984 } else {
2985 // Otherwise, create a pending entry for the main frame.
clamy21718cc22018-06-13 13:34:242986 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2987 params.url, params.referrer, params.transition_type,
2988 params.is_renderer_initiated, extra_headers_crlf, browser_context_,
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:392989 blob_url_loader_factory));
clamy21718cc22018-06-13 13:34:242990 entry->set_source_site_instance(
2991 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
2992 entry->SetRedirectChain(params.redirect_chain);
2993 }
2994
2995 // Set the FTN ID (only used in non-site-per-process, for tests).
2996 entry->set_frame_tree_node_id(node->frame_tree_node_id());
Camille Lamy5193caa2018-10-12 11:59:422997 entry->set_should_replace_entry(should_replace_current_entry);
clamy21718cc22018-06-13 13:34:242998 entry->set_should_clear_history_list(params.should_clear_history_list);
Camille Lamy5193caa2018-10-12 11:59:422999 entry->SetIsOverridingUserAgent(override_user_agent);
3000 entry->set_has_user_gesture(has_user_gesture);
Robert Ogden011a8082019-01-23 19:04:543001 entry->set_reload_type(params.reload_type);
clamy21718cc22018-06-13 13:34:243002
clamy21718cc22018-06-13 13:34:243003 switch (params.load_type) {
3004 case LOAD_TYPE_DEFAULT:
3005 break;
3006 case LOAD_TYPE_HTTP_POST:
3007 entry->SetHasPostData(true);
3008 entry->SetPostData(params.post_data);
3009 break;
3010 case LOAD_TYPE_DATA:
3011 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
3012 entry->SetVirtualURL(params.virtual_url_for_data_url);
3013#if defined(OS_ANDROID)
3014 entry->SetDataURLAsString(params.data_url_as_string);
3015#endif
3016 entry->SetCanLoadLocalResources(params.can_load_local_resources);
3017 break;
3018 default:
3019 NOTREACHED();
3020 break;
3021 }
3022
3023 // TODO(clamy): NavigationEntry is meant for information that will be kept
3024 // after the navigation ended and therefore is not appropriate for
3025 // started_from_context_menu. Move started_from_context_menu to
3026 // NavigationUIData.
3027 entry->set_started_from_context_menu(params.started_from_context_menu);
3028
3029 return entry;
3030}
3031
clamyea99ea12018-05-28 13:54:233032std::unique_ptr<NavigationRequest>
Camille Lamy5193caa2018-10-12 11:59:423033NavigationControllerImpl::CreateNavigationRequestFromLoadParams(
3034 FrameTreeNode* node,
3035 const LoadURLParams& params,
3036 bool override_user_agent,
3037 bool should_replace_current_entry,
3038 bool has_user_gesture,
Charlie Harrison8c113a32019-01-07 16:08:293039 NavigationDownloadPolicy download_policy,
Camille Lamy5193caa2018-10-12 11:59:423040 ReloadType reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573041 NavigationEntryImpl* entry,
Camille Lamy5193caa2018-10-12 11:59:423042 FrameNavigationEntry* frame_entry) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573043 DCHECK_EQ(-1, GetIndexOfEntry(entry));
Camille Lamyb9ed3c52018-11-19 15:34:283044 DCHECK(frame_entry);
Nasko Oskov3c2f9e252019-01-10 17:45:533045 // All renderer-initiated navigations must have an initiator_origin.
3046 DCHECK(!params.is_renderer_initiated || params.initiator_origin.has_value());
Camille Lamyff7c4822018-11-07 15:42:513047
Camille Lamy5193caa2018-10-12 11:59:423048 GURL url_to_load;
3049 GURL virtual_url;
Nasko Oskov03912102019-01-11 00:21:323050 base::Optional<url::Origin> origin_to_commit =
3051 frame_entry ? frame_entry->committed_origin() : base::nullopt;
3052
Camille Lamy2baa8022018-10-19 16:43:173053 // For main frames, rewrite the URL if necessary and compute the virtual URL
3054 // that should be shown in the address bar.
3055 if (node->IsMainFrame()) {
3056 bool reverse_on_redirect = false;
3057 RewriteUrlForNavigation(params.url, browser_context_, &url_to_load,
3058 &virtual_url, &reverse_on_redirect);
Camille Lamy5193caa2018-10-12 11:59:423059
Camille Lamy2baa8022018-10-19 16:43:173060 // For DATA loads, override the virtual URL.
3061 if (params.load_type == LOAD_TYPE_DATA)
3062 virtual_url = params.virtual_url_for_data_url;
Camille Lamy5193caa2018-10-12 11:59:423063
Camille Lamy2baa8022018-10-19 16:43:173064 if (virtual_url.is_empty())
3065 virtual_url = url_to_load;
3066
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573067 CHECK(virtual_url == entry->GetVirtualURL());
Camille Lamyb9ed3c52018-11-19 15:34:283068
3069 // This is a DCHECK and not a CHECK as URL rewrite has non-deterministic
3070 // behavior in the field: it is possible for two calls to
3071 // RewriteUrlForNavigation to return different results, leading to a
3072 // different URL in the NavigationRequest and FrameEntry. This will be fixed
3073 // once we remove the pending NavigationEntry, as we'll only make one call
3074 // to RewriteUrlForNavigation.
3075 DCHECK_EQ(url_to_load, frame_entry->url());
3076
Camille Lamy2baa8022018-10-19 16:43:173077 // TODO(clamy): In order to remove the pending NavigationEntry,
3078 // |virtual_url| and |reverse_on_redirect| should be stored in the
3079 // NavigationRequest.
3080 } else {
3081 url_to_load = params.url;
3082 virtual_url = params.url;
Camille Lamyf664f7622019-01-07 19:28:243083 CHECK(!frame_entry || url_to_load == frame_entry->url());
Camille Lamy2baa8022018-10-19 16:43:173084 }
Camille Lamy5193caa2018-10-12 11:59:423085
Ehsan Karamad44fc72112019-02-26 18:15:473086 if (node->render_manager()->is_attaching_inner_delegate()) {
3087 // Avoid starting any new navigations since this node is now preparing for
3088 // attaching an inner delegate.
3089 return nullptr;
Ehsan Karamaddd9a4142018-12-04 20:38:203090 }
Camille Lamy5193caa2018-10-12 11:59:423091
Camille Lamy5193caa2018-10-12 11:59:423092 if (!IsValidURLForNavigation(node->IsMainFrame(), virtual_url, url_to_load))
3093 return nullptr;
3094
Nasko Oskov03912102019-01-11 00:21:323095 if (!DoesURLMatchOriginForNavigation(url_to_load, origin_to_commit)) {
3096 DCHECK(false) << " url:" << url_to_load
3097 << " origin:" << origin_to_commit.value();
3098 return nullptr;
3099 }
3100
Camille Lamy5193caa2018-10-12 11:59:423101 // Determine if Previews should be used for the navigation.
3102 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
3103 if (!node->IsMainFrame()) {
3104 // For subframes, use the state of the top-level frame.
3105 previews_state = node->frame_tree()
3106 ->root()
3107 ->current_frame_host()
3108 ->last_navigation_previews_state();
3109 }
3110
Camille Lamy5193caa2018-10-12 11:59:423111 // This will be used to set the Navigation Timing API navigationStart
3112 // parameter for browser navigations in new tabs (intents, tabs opened through
3113 // "Open link in new tab"). If the navigation must wait on the current
3114 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3115 // will be updated when the BeforeUnload ack is received.
3116 base::TimeTicks navigation_start = base::TimeTicks::Now();
3117
3118 FrameMsg_Navigate_Type::Value navigation_type =
3119 GetNavigationType(node->current_url(), // old_url
3120 url_to_load, // new_url
3121 reload_type, // reload_type
3122 entry, // entry
3123 *frame_entry, // frame_entry
3124 false); // is_same_document_history_load
3125
3126 // Create the NavigationParams based on |params|.
3127
3128 bool is_view_source_mode = virtual_url.SchemeIs(kViewSourceScheme);
Charlie Harrison8c113a32019-01-07 16:08:293129
3130 // Update |download_policy| if the virtual URL is view-source. Why do this
3131 // now? Possibly the URL could be rewritten to a view-source via some URL
3132 // handler.
3133 if (is_view_source_mode)
Yao Xiaoaf79ca9b2019-03-12 19:54:183134 download_policy.SetDisallowed(NavigationDownloadType::kViewSource);
Charlie Harrison8c113a32019-01-07 16:08:293135
Camille Lamy5193caa2018-10-12 11:59:423136 const GURL& history_url_for_data_url =
3137 params.base_url_for_data_url.is_empty() ? GURL() : virtual_url;
3138 CommonNavigationParams common_params(
Nasko Oskov93e7c55c2018-12-19 01:59:293139 url_to_load, params.initiator_origin, params.referrer,
3140 params.transition_type, navigation_type, download_policy,
3141 should_replace_current_entry, params.base_url_for_data_url,
3142 history_url_for_data_url, previews_state, navigation_start,
Camille Lamy5193caa2018-10-12 11:59:423143 params.load_type == LOAD_TYPE_HTTP_POST ? "POST" : "GET",
3144 params.post_data, base::Optional<SourceLocation>(),
3145 params.started_from_context_menu, has_user_gesture, InitiatorCSPInfo(),
Anthony Vallee-Dubois93a11672018-11-21 16:44:423146 params.href_translate, params.input_start);
Camille Lamy5193caa2018-10-12 11:59:423147
Nasko Oskovc36327d2019-01-03 23:23:043148 CommitNavigationParams commit_params(
Nasko Oskov03912102019-01-11 00:21:323149 frame_entry->committed_origin(), override_user_agent,
3150 params.redirect_chain, common_params.url, common_params.method,
3151 params.can_load_local_resources, frame_entry->page_state(),
3152 entry->GetUniqueID(), false /* is_history_navigation_in_new_child */,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573153 entry->GetSubframeUniqueNames(node), true /* intended_as_new_entry */,
Camille Lamy5193caa2018-10-12 11:59:423154 -1 /* pending_history_list_offset */,
3155 params.should_clear_history_list ? -1 : GetLastCommittedEntryIndex(),
3156 params.should_clear_history_list ? 0 : GetEntryCount(),
3157 is_view_source_mode, params.should_clear_history_list);
3158#if defined(OS_ANDROID)
3159 if (ValidateDataURLAsString(params.data_url_as_string)) {
Nasko Oskovc36327d2019-01-03 23:23:043160 commit_params.data_url_as_string = params.data_url_as_string->data();
Camille Lamy5193caa2018-10-12 11:59:423161 }
3162#endif
3163
Nasko Oskovc36327d2019-01-03 23:23:043164 commit_params.was_activated = params.was_activated;
Camille Lamy5193caa2018-10-12 11:59:423165
3166 // A form submission may happen here if the navigation is a renderer-initiated
3167 // form submission that took the OpenURL path.
3168 scoped_refptr<network::ResourceRequestBody> request_body = params.post_data;
3169
3170 // extra_headers in params are \n separated; NavigationRequests want \r\n.
3171 std::string extra_headers_crlf;
3172 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
3173 return NavigationRequest::CreateBrowserInitiated(
Nasko Oskovc36327d2019-01-03 23:23:043174 node, common_params, commit_params, !params.is_renderer_initiated,
Camille Lamy5193caa2018-10-12 11:59:423175 extra_headers_crlf, *frame_entry, entry, request_body,
3176 params.navigation_ui_data ? params.navigation_ui_data->Clone() : nullptr);
3177}
3178
3179std::unique_ptr<NavigationRequest>
3180NavigationControllerImpl::CreateNavigationRequestFromEntry(
clamyea99ea12018-05-28 13:54:233181 FrameTreeNode* frame_tree_node,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573182 NavigationEntryImpl* entry,
clamyea99ea12018-05-28 13:54:233183 FrameNavigationEntry* frame_entry,
3184 ReloadType reload_type,
3185 bool is_same_document_history_load,
Camille Lamy5193caa2018-10-12 11:59:423186 bool is_history_navigation_in_new_child) {
clamyea99ea12018-05-28 13:54:233187 GURL dest_url = frame_entry->url();
Nasko Oskov03912102019-01-11 00:21:323188 base::Optional<url::Origin> origin_to_commit =
3189 frame_entry->committed_origin();
3190
clamyea99ea12018-05-28 13:54:233191 Referrer dest_referrer = frame_entry->referrer();
Ryan Sturmc4da1992018-07-17 16:59:013192 if (reload_type == ReloadType::ORIGINAL_REQUEST_URL &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573193 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
clamyea99ea12018-05-28 13:54:233194 // We may have been redirected when navigating to the current URL.
3195 // Use the URL the user originally intended to visit as signaled by the
3196 // ReloadType, if it's valid and if a POST wasn't involved; the latter
Ryan Sturmc4da1992018-07-17 16:59:013197 // case avoids issues with sending data to the wrong page.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573198 dest_url = entry->GetOriginalRequestURL();
clamyea99ea12018-05-28 13:54:233199 dest_referrer = Referrer();
Nasko Oskov03912102019-01-11 00:21:323200 origin_to_commit.reset();
clamyea99ea12018-05-28 13:54:233201 }
3202
Ehsan Karamad44fc72112019-02-26 18:15:473203 if (frame_tree_node->render_manager()->is_attaching_inner_delegate()) {
3204 // Avoid starting any new navigations since this node is now preparing for
3205 // attaching an inner delegate.
3206 return nullptr;
Ehsan Karamaddd9a4142018-12-04 20:38:203207 }
3208
Camille Lamy5193caa2018-10-12 11:59:423209 if (!IsValidURLForNavigation(frame_tree_node->IsMainFrame(),
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573210 entry->GetVirtualURL(), dest_url)) {
clamyea99ea12018-05-28 13:54:233211 return nullptr;
3212 }
3213
Nasko Oskov03912102019-01-11 00:21:323214 if (!DoesURLMatchOriginForNavigation(dest_url, origin_to_commit)) {
3215 DCHECK(false) << " url:" << dest_url
3216 << " origin:" << origin_to_commit.value();
3217 return nullptr;
3218 }
3219
clamyea99ea12018-05-28 13:54:233220 // Determine if Previews should be used for the navigation.
3221 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
3222 if (!frame_tree_node->IsMainFrame()) {
3223 // For subframes, use the state of the top-level frame.
3224 previews_state = frame_tree_node->frame_tree()
3225 ->root()
3226 ->current_frame_host()
3227 ->last_navigation_previews_state();
clamyea99ea12018-05-28 13:54:233228 }
3229
clamyea99ea12018-05-28 13:54:233230 // This will be used to set the Navigation Timing API navigationStart
3231 // parameter for browser navigations in new tabs (intents, tabs opened through
3232 // "Open link in new tab"). If the navigation must wait on the current
3233 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3234 // will be updated when the BeforeUnload ack is received.
3235 base::TimeTicks navigation_start = base::TimeTicks::Now();
clamyea99ea12018-05-28 13:54:233236
3237 FrameMsg_Navigate_Type::Value navigation_type = GetNavigationType(
3238 frame_tree_node->current_url(), // old_url
3239 dest_url, // new_url
3240 reload_type, // reload_type
3241 entry, // entry
3242 *frame_entry, // frame_entry
3243 is_same_document_history_load); // is_same_document_history_load
Camille Lamy5193caa2018-10-12 11:59:423244
3245 // A form submission may happen here if the navigation is a
3246 // back/forward/reload navigation that does a form resubmission.
3247 scoped_refptr<network::ResourceRequestBody> request_body;
3248 std::string post_content_type;
3249 if (frame_entry->method() == "POST") {
3250 request_body = frame_entry->GetPostData(&post_content_type);
3251 // Might have a LF at end.
3252 post_content_type =
3253 base::TrimWhitespaceASCII(post_content_type, base::TRIM_ALL)
3254 .as_string();
3255 }
3256
3257 // Create the NavigationParams based on |entry| and |frame_entry|.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573258 CommonNavigationParams common_params = entry->ConstructCommonNavigationParams(
Camille Lamy5193caa2018-10-12 11:59:423259 *frame_entry, request_body, dest_url, dest_referrer, navigation_type,
3260 previews_state, navigation_start, base::TimeTicks() /* input_start */);
3261
3262 // TODO(clamy): |intended_as_new_entry| below should always be false once
3263 // Reload no longer leads to this being called for a pending NavigationEntry
3264 // of index -1.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573265 CommitNavigationParams commit_params = entry->ConstructCommitNavigationParams(
Nasko Oskov03912102019-01-11 00:21:323266 *frame_entry, common_params.url, origin_to_commit, common_params.method,
Nasko Oskovc36327d2019-01-03 23:23:043267 is_history_navigation_in_new_child,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573268 entry->GetSubframeUniqueNames(frame_tree_node),
Nasko Oskovc36327d2019-01-03 23:23:043269 GetPendingEntryIndex() == -1 /* intended_as_new_entry */,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573270 GetIndexOfEntry(entry), GetLastCommittedEntryIndex(), GetEntryCount());
Nasko Oskovc36327d2019-01-03 23:23:043271 commit_params.post_content_type = post_content_type;
Camille Lamy5193caa2018-10-12 11:59:423272
clamyea99ea12018-05-28 13:54:233273 return NavigationRequest::CreateBrowserInitiated(
Nasko Oskovc36327d2019-01-03 23:23:043274 frame_tree_node, common_params, commit_params,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573275 !entry->is_renderer_initiated(), entry->extra_headers(), *frame_entry,
Camille Lamy5193caa2018-10-12 11:59:423276 entry, request_body, nullptr /* navigation_ui_data */);
clamyea99ea12018-05-28 13:54:233277}
3278
[email protected]d202a7c2012-01-04 07:53:473279void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:213280 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:273281 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:403282
[email protected]2db9bd72012-04-13 20:20:563283 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:403284 // location bar will have up-to-date information about the security style
3285 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:133286 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:403287
[email protected]7f924832014-08-09 05:57:223288 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:573289 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:463290
[email protected]b0f724c2013-09-05 04:21:133291 // TODO(avi): Remove. http://crbug.com/170921
3292 NotificationDetails notification_details =
3293 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:213294 NotificationService::current()->Notify(
3295 NOTIFICATION_NAV_ENTRY_COMMITTED,
3296 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:403297 notification_details);
initial.commit09911bf2008-07-26 23:55:293298}
3299
initial.commit09911bf2008-07-26 23:55:293300// static
[email protected]d202a7c2012-01-04 07:53:473301size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:233302 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
3303 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:213304 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:233305}
3306
[email protected]d202a7c2012-01-04 07:53:473307void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:223308 if (is_active && needs_reload_)
3309 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:293310}
3311
[email protected]d202a7c2012-01-04 07:53:473312void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:293313 if (!needs_reload_)
3314 return;
3315
Bo Liucdfa4b12018-11-06 00:21:443316 UMA_HISTOGRAM_ENUMERATION("Navigation.LoadIfNecessaryType",
3317 needs_reload_type_);
3318
initial.commit09911bf2008-07-26 23:55:293319 // Calling Reload() results in ignoring state, and not loading.
3320 // Explicitly use NavigateToPendingEntry so that the renderer uses the
3321 // cached state.
avicc872d7242015-08-19 21:26:343322 if (pending_entry_) {
Dave Tapuska8bfd84c2019-03-26 20:47:163323 NavigateToExistingPendingEntry(ReloadType::NONE,
3324 FrameTreeNode::kFrameTreeNodeInvalidId);
avicc872d7242015-08-19 21:26:343325 } else if (last_committed_entry_index_ != -1) {
arthursonzogni5c4c202d2017-04-25 23:41:273326 pending_entry_ = entries_[last_committed_entry_index_].get();
avicc872d7242015-08-19 21:26:343327 pending_entry_index_ = last_committed_entry_index_;
Dave Tapuska8bfd84c2019-03-26 20:47:163328 NavigateToExistingPendingEntry(ReloadType::NONE,
3329 FrameTreeNode::kFrameTreeNodeInvalidId);
avicc872d7242015-08-19 21:26:343330 } else {
3331 // If there is something to reload, the successful reload will clear the
3332 // |needs_reload_| flag. Otherwise, just do it here.
3333 needs_reload_ = false;
3334 }
initial.commit09911bf2008-07-26 23:55:293335}
3336
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573337void NavigationControllerImpl::NotifyEntryChanged(NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:213338 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:093339 det.changed_entry = entry;
avi47179332015-05-20 21:01:113340 det.index = GetIndexOfEntry(
3341 NavigationEntryImpl::FromNavigationEntry(entry));
Sam McNally5c087a32017-08-25 01:46:143342 delegate_->NotifyNavigationEntryChanged(det);
initial.commit09911bf2008-07-26 23:55:293343}
3344
[email protected]d202a7c2012-01-04 07:53:473345void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:363346 RestoreType type) {
[email protected]a26023822011-12-29 00:23:553347 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:363348 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:293349
initial.commit09911bf2008-07-26 23:55:293350 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:293351}
[email protected]765b35502008-08-21 00:51:203352
[email protected]d202a7c2012-01-04 07:53:473353void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:453354 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:483355 DiscardTransientEntry();
3356}
3357
[email protected]d202a7c2012-01-04 07:53:473358void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473359 if (transient_entry_index_ == -1)
3360 return;
[email protected]a0e69262009-06-03 19:08:483361 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:183362 if (last_committed_entry_index_ > transient_entry_index_)
3363 last_committed_entry_index_--;
arthursonzogni5c4c202d2017-04-25 23:41:273364 if (pending_entry_index_ > transient_entry_index_)
3365 pending_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:473366 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:203367}
3368
avi7c6f35e2015-05-08 17:52:383369int NavigationControllerImpl::GetEntryIndexWithUniqueID(
3370 int nav_entry_id) const {
3371 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
3372 if (entries_[i]->GetUniqueID() == nav_entry_id)
3373 return i;
3374 }
3375 return -1;
3376}
3377
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573378NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473379 if (transient_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:283380 return nullptr;
avif16f85a72015-11-13 18:25:033381 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:473382}
[email protected]e1cd5452010-08-26 18:03:253383
avi25764702015-06-23 15:43:373384void NavigationControllerImpl::SetTransientEntry(
dcheng9bfa5162016-04-09 01:00:573385 std::unique_ptr<NavigationEntry> entry) {
[email protected]0b684262013-02-20 02:18:213386 // Discard any current transient entry, we can only have one at a time.
3387 int index = 0;
3388 if (last_committed_entry_index_ != -1)
3389 index = last_committed_entry_index_ + 1;
3390 DiscardTransientEntry();
avi25764702015-06-23 15:43:373391 entries_.insert(entries_.begin() + index,
dcheng36b6aec92015-12-26 06:16:363392 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
arthursonzogni5c4c202d2017-04-25 23:41:273393 if (pending_entry_index_ >= index)
3394 pending_entry_index_++;
[email protected]0b684262013-02-20 02:18:213395 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:223396 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:213397}
3398
[email protected]d202a7c2012-01-04 07:53:473399void NavigationControllerImpl::InsertEntriesFrom(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573400 NavigationControllerImpl* source,
[email protected]e1cd5452010-08-26 18:03:253401 int max_index) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573402 DCHECK_LE(max_index, source->GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:253403 size_t insert_index = 0;
3404 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:353405 // When cloning a tab, copy all entries except interstitial pages.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573406 if (source->entries_[i]->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
creisef4a0cb2015-03-12 19:14:353407 // TODO(creis): Once we start sharing FrameNavigationEntries between
3408 // NavigationEntries, it will not be safe to share them with another tab.
3409 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:253410 entries_.insert(entries_.begin() + insert_index++,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573411 source->entries_[i]->Clone());
[email protected]e1cd5452010-08-26 18:03:253412 }
3413 }
arthursonzogni5c4c202d2017-04-25 23:41:273414 DCHECK(pending_entry_index_ == -1 ||
3415 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
[email protected]e1cd5452010-08-26 18:03:253416}
[email protected]c5b88d82012-10-06 17:03:333417
3418void NavigationControllerImpl::SetGetTimestampCallbackForTest(
3419 const base::Callback<base::Time()>& get_timestamp_callback) {
3420 get_timestamp_callback_ = get_timestamp_callback;
3421}
[email protected]8ff00d72012-10-23 19:12:213422
Arthur Sonzogni620cec62018-12-13 13:08:573423// BackForwardCache:
3424void NavigationControllerImpl::CommitRestoreFromBackForwardCache() {
3425 // TODO(arthursonzogni): Extract the missing parts from RendererDidNavigate()
3426 // and reuse them.
3427 LoadCommittedDetails details;
3428 details.previous_entry_index = GetCurrentEntryIndex();
3429 details.entry = pending_entry_;
3430 details.type = NAVIGATION_TYPE_EXISTING_PAGE;
3431 details.is_main_frame = true;
3432 details.http_status_code = net::HTTP_OK;
3433 details.did_replace_entry = false;
3434 details.is_same_document = false;
3435
3436 last_committed_entry_index_ = pending_entry_index_;
3437 DiscardPendingEntry(false);
3438
3439 // Notify content/ embedder of the history update.
3440 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
3441 delegate_->NotifyNavigationEntryCommitted(details);
3442}
3443
Shivani Sharmaffb32b82019-04-09 16:58:473444// History manipulation intervention:
3445void NavigationControllerImpl::SetShouldSkipOnBackForwardUIIfNeeded(
3446 RenderFrameHostImpl* rfh,
3447 bool replace_entry,
3448 bool previous_document_was_activated,
3449 bool is_renderer_initiated) {
3450 // Note that for a subframe navigation, previous_document_was_activated is
3451 // false if there has been any user gesture on an ancestor frame but not on
3452 // the subframe doing the navigation.
3453 if (replace_entry || previous_document_was_activated ||
3454 !is_renderer_initiated) {
3455 if (last_committed_entry_index_ != -1) {
3456 UMA_HISTOGRAM_BOOLEAN(
3457 "Navigation.BackForward.SetShouldSkipOnBackForwardUI", false);
3458 }
3459 return;
3460 }
3461 if (last_committed_entry_index_ == -1)
3462 return;
3463
3464 GetLastCommittedEntry()->set_should_skip_on_back_forward_ui(true);
3465 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.SetShouldSkipOnBackForwardUI",
3466 true);
3467
3468 // Log UKM with the URL we are navigating away from. Note that
3469 // GetUkmSourceIdForLastCommittedSource looks into the WebContents to get
3470 // the last committed source. Since WebContents has not yet been updated
3471 // with the current URL being committed, this should give the correct source
3472 // even though |rfh| here belongs to the current navigation.
3473 ukm::SourceId source_id =
3474 rfh->delegate()->GetUkmSourceIdForLastCommittedSource();
3475 ukm::builders::HistoryManipulationIntervention(source_id).Record(
3476 ukm::UkmRecorder::Get());
3477}
3478
[email protected]8ff00d72012-10-23 19:12:213479} // namespace content