blob: 5249401e58a57f0278665f2c6648c7e6e8e1bf77 [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,
[email protected]c12bf1a12008-09-17 16:28:4998 bool from_front,
99 int count) {
[email protected]8ff00d72012-10-23 19:12:21100 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:49101 details.from_front = from_front;
102 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
[email protected]e9ba4472008-09-14 15:42:43426} // namespace
427
[email protected]d202a7c2012-01-04 07:53:47428// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29429
[email protected]23a918b2014-07-15 09:51:36430const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23431
[email protected]765b35502008-08-21 00:51:20432// static
[email protected]d202a7c2012-01-04 07:53:47433size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23434 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20435
[email protected]e6fec472013-05-14 05:29:02436// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20437// when testing.
438static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29439
[email protected]71fde352011-12-29 03:29:56440// static
dcheng9bfa5162016-04-09 01:00:57441std::unique_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
442 const GURL& url,
443 const Referrer& referrer,
444 ui::PageTransition transition,
445 bool is_renderer_initiated,
446 const std::string& extra_headers,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:09447 BrowserContext* browser_context,
448 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
Camille Lamy5193caa2018-10-12 11:59:42449 GURL url_to_load;
450 GURL virtual_url;
[email protected]71fde352011-12-29 03:29:56451 bool reverse_on_redirect = false;
Camille Lamy5193caa2018-10-12 11:59:42452 RewriteUrlForNavigation(url, browser_context, &url_to_load, &virtual_url,
453 &reverse_on_redirect);
[email protected]71fde352011-12-29 03:29:56454
455 NavigationEntryImpl* entry = new NavigationEntryImpl(
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28456 nullptr, // The site instance for tabs is sent on navigation
457 // (WebContents::GetSiteInstance).
Camille Lamy5193caa2018-10-12 11:59:42458 url_to_load, referrer, base::string16(), transition,
459 is_renderer_initiated, blob_url_loader_factory);
460 entry->SetVirtualURL(virtual_url);
461 entry->set_user_typed_url(virtual_url);
[email protected]71fde352011-12-29 03:29:56462 entry->set_update_virtual_url_with_url(reverse_on_redirect);
463 entry->set_extra_headers(extra_headers);
dcheng9bfa5162016-04-09 01:00:57464 return base::WrapUnique(entry);
[email protected]71fde352011-12-29 03:29:56465}
466
[email protected]cdcb1dee2012-01-04 00:46:20467// static
468void NavigationController::DisablePromptOnRepost() {
469 g_check_for_repost = false;
470}
471
[email protected]c5b88d82012-10-06 17:03:33472base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
473 base::Time t) {
474 // If |t| is between the water marks, we're in a run of duplicates
475 // or just getting out of it, so increase the high-water mark to get
476 // a time that probably hasn't been used before and return it.
477 if (low_water_mark_ <= t && t <= high_water_mark_) {
478 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
479 return high_water_mark_;
480 }
481
482 // Otherwise, we're clear of the last duplicate run, so reset the
483 // water marks.
484 low_water_mark_ = high_water_mark_ = t;
485 return t;
486}
487
[email protected]d202a7c2012-01-04 07:53:47488NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57489 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19490 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37491 : browser_context_(browser_context),
ananta3bdd8ae2016-12-22 17:11:55492 pending_entry_(nullptr),
avi45a72532015-04-07 21:01:45493 failed_pending_entry_id_(0),
[email protected]765b35502008-08-21 00:51:20494 last_committed_entry_index_(-1),
495 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47496 transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57497 delegate_(delegate),
[email protected]69e797f2013-04-30 01:10:22498 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57499 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09500 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28501 in_navigate_to_pending_entry_(false),
toyoshim0df1d3a2016-09-09 09:52:48502 pending_reload_(ReloadType::NONE),
[email protected]8cea7892013-02-06 06:49:31503 get_timestamp_callback_(base::Bind(&base::Time::Now)),
toyoshima63c2a62016-09-29 09:03:26504 last_committed_reload_type_(ReloadType::NONE) {
[email protected]3d7474ff2011-07-27 17:47:37505 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29506}
507
[email protected]d202a7c2012-01-04 07:53:47508NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47509 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29510}
511
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57512WebContents* NavigationControllerImpl::GetWebContents() {
[email protected]ec6c05f2013-10-23 18:41:57513 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32514}
515
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57516BrowserContext* NavigationControllerImpl::GetBrowserContext() {
[email protected]a26023822011-12-29 00:23:55517 return browser_context_;
518}
519
[email protected]d202a7c2012-01-04 07:53:47520void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30521 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36522 RestoreType type,
dcheng9bfa5162016-04-09 01:00:57523 std::vector<std::unique_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57524 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55525 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57526 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14527 selected_navigation < static_cast<int>(entries->size()));
arthursonzogni5c4c202d2017-04-25 23:41:27528 DCHECK_EQ(-1, pending_entry_index_);
[email protected]ce3fa3c2009-04-20 19:55:57529
[email protected]ce3fa3c2009-04-20 19:55:57530 needs_reload_ = true;
Bo Liucdfa4b12018-11-06 00:21:44531 needs_reload_type_ = NeedsReloadType::kRestoreSession;
avif16f85a72015-11-13 18:25:03532 entries_.reserve(entries->size());
533 for (auto& entry : *entries)
dcheng36b6aec92015-12-26 06:16:36534 entries_.push_back(
535 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
avif16f85a72015-11-13 18:25:03536
537 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
538 // cleared out safely.
539 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57540
541 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36542 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57543}
544
toyoshim6142d96f2016-12-19 09:07:25545void NavigationControllerImpl::Reload(ReloadType reload_type,
546 bool check_for_repost) {
liaoyuke9168fba2017-03-10 19:20:28547 DCHECK_NE(ReloadType::NONE, reload_type);
548
[email protected]669e0ba2012-08-30 23:57:36549 if (transient_entry_index_ != -1) {
550 // If an interstitial is showing, treat a reload as a navigation to the
551 // transient entry's URL.
creis3da03872015-02-20 21:12:32552 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27553 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36554 return;
[email protected]6286a3792013-10-09 04:03:27555 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21556 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35557 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27558 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47559 return;
[email protected]669e0ba2012-08-30 23:57:36560 }
[email protected]cbab76d2008-10-13 22:42:47561
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28562 NavigationEntryImpl* entry = nullptr;
[email protected]59167c22013-06-03 18:07:32563 int current_index = -1;
564
565 // If we are reloading the initial navigation, just use the current
566 // pending entry. Otherwise look up the current entry.
567 if (IsInitialNavigation() && pending_entry_) {
568 entry = pending_entry_;
569 // The pending entry might be in entries_ (e.g., after a Clone), so we
570 // should also update the current_index.
571 current_index = pending_entry_index_;
572 } else {
573 DiscardNonCommittedEntriesInternal();
574 current_index = GetCurrentEntryIndex();
575 if (current_index != -1) {
creis3da03872015-02-20 21:12:32576 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32577 }
[email protected]979a4bc2013-04-24 01:27:15578 }
[email protected]241db352013-04-22 18:04:05579
[email protected]59167c22013-06-03 18:07:32580 // If we are no where, then we can't reload. TODO(darin): We should add a
581 // CanReload method.
582 if (!entry)
583 return;
584
toyoshima63c2a62016-09-29 09:03:26585 // Check if previous navigation was a reload to track consecutive reload
586 // operations.
587 if (last_committed_reload_type_ != ReloadType::NONE) {
588 DCHECK(!last_committed_reload_time_.is_null());
589 base::Time now =
590 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
591 DCHECK_GT(now, last_committed_reload_time_);
592 if (!last_committed_reload_time_.is_null() &&
593 now > last_committed_reload_time_) {
594 base::TimeDelta delta = now - last_committed_reload_time_;
595 UMA_HISTOGRAM_MEDIUM_TIMES("Navigation.Reload.ReloadToReloadDuration",
596 delta);
toyoshimb0d4eed32016-12-09 06:03:04597 if (last_committed_reload_type_ == ReloadType::NORMAL) {
toyoshima63c2a62016-09-29 09:03:26598 UMA_HISTOGRAM_MEDIUM_TIMES(
599 "Navigation.Reload.ReloadMainResourceToReloadDuration", delta);
600 }
601 }
602 }
603
604 // Set ReloadType for |entry| in order to check it at commit time.
605 entry->set_reload_type(reload_type);
606
[email protected]cdcb1dee2012-01-04 00:46:20607 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32608 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30609 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07610 // they really want to do this. If they do, the dialog will call us back
611 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57612 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02613
[email protected]106a0812010-03-18 00:15:12614 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57615 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29616 } else {
[email protected]59167c22013-06-03 18:07:32617 if (!IsInitialNavigation())
618 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26619
Nasko Oskovaee2f862018-06-15 00:05:52620 pending_entry_ = entry;
621 pending_entry_index_ = current_index;
622 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22623
clamy3cb9bea92018-07-10 12:42:02624 NavigateToExistingPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29625 }
626}
627
[email protected]d202a7c2012-01-04 07:53:47628void NavigationControllerImpl::CancelPendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48629 DCHECK(pending_reload_ != ReloadType::NONE);
630 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12631}
632
[email protected]d202a7c2012-01-04 07:53:47633void NavigationControllerImpl::ContinuePendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48634 if (pending_reload_ == ReloadType::NONE) {
[email protected]106a0812010-03-18 00:15:12635 NOTREACHED();
636 } else {
toyoshim6142d96f2016-12-19 09:07:25637 Reload(pending_reload_, false);
toyoshim0df1d3a2016-09-09 09:52:48638 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12639 }
640}
641
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57642bool NavigationControllerImpl::IsInitialNavigation() {
[email protected]27ba81c2012-08-21 17:04:09643 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11644}
645
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57646bool NavigationControllerImpl::IsInitialBlankNavigation() {
creis10a4ab72015-10-13 17:22:40647 // TODO(creis): Once we create a NavigationEntry for the initial blank page,
toyoshim0df1d3a2016-09-09 09:52:48648 // we'll need to check for entry count 1 and restore_type NONE (to exclude
649 // the cloned tab case).
creis10a4ab72015-10-13 17:22:40650 return IsInitialNavigation() && GetEntryCount() == 0;
651}
652
avi254eff02015-07-01 08:27:58653NavigationEntryImpl*
654NavigationControllerImpl::GetEntryWithUniqueID(int nav_entry_id) const {
655 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03656 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58657}
658
avi25764702015-06-23 15:43:37659void NavigationControllerImpl::SetPendingEntry(
dcheng9bfa5162016-04-09 01:00:57660 std::unique_ptr<NavigationEntryImpl> entry) {
[email protected]cbab76d2008-10-13 22:42:47661 DiscardNonCommittedEntriesInternal();
avi25764702015-06-23 15:43:37662 pending_entry_ = entry.release();
arthursonzogni5c4c202d2017-04-25 23:41:27663 DCHECK_EQ(-1, pending_entry_index_);
[email protected]8ff00d72012-10-23 19:12:21664 NotificationService::current()->Notify(
665 NOTIFICATION_NAV_ENTRY_PENDING,
666 Source<NavigationController>(this),
avi25764702015-06-23 15:43:37667 Details<NavigationEntry>(pending_entry_));
[email protected]765b35502008-08-21 00:51:20668}
669
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57670NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() {
[email protected]cbab76d2008-10-13 22:42:47671 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03672 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:47673 if (pending_entry_)
674 return pending_entry_;
675 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20676}
677
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57678NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() {
[email protected]867e1f92011-08-30 19:01:19679 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03680 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32681 // The pending entry is safe to return for new (non-history), browser-
682 // initiated navigations. Most renderer-initiated navigations should not
683 // show the pending entry, to prevent URL spoof attacks.
684 //
685 // We make an exception for renderer-initiated navigations in new tabs, as
686 // long as no other page has tried to access the initial empty document in
687 // the new tab. If another page modifies this blank page, a URL spoof is
688 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32689 bool safe_to_show_pending =
690 pending_entry_ &&
691 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09692 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32693 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46694 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32695
696 // Also allow showing the pending entry for history navigations in a new tab,
697 // such as Ctrl+Back. In this case, no existing page is visible and no one
698 // can script the new tab before it commits.
699 if (!safe_to_show_pending &&
700 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09701 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32702 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34703 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32704 safe_to_show_pending = true;
705
706 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19707 return pending_entry_;
708 return GetLastCommittedEntry();
709}
710
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57711int NavigationControllerImpl::GetCurrentEntryIndex() {
[email protected]cbab76d2008-10-13 22:42:47712 if (transient_entry_index_ != -1)
713 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20714 if (pending_entry_index_ != -1)
715 return pending_entry_index_;
716 return last_committed_entry_index_;
717}
718
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57719NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() {
[email protected]765b35502008-08-21 00:51:20720 if (last_committed_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28721 return nullptr;
avif16f85a72015-11-13 18:25:03722 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20723}
724
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57725bool NavigationControllerImpl::CanViewSource() {
[email protected]ec6c05f2013-10-23 18:41:57726 const std::string& mime_type = delegate_->GetContentsMimeType();
Kinuko Yasuda74702f92017-07-31 03:27:53727 bool is_viewable_mime_type = blink::IsSupportedNonImageMimeType(mime_type) &&
728 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27729 NavigationEntry* visible_entry = GetVisibleEntry();
730 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57731 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16732}
733
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57734int NavigationControllerImpl::GetLastCommittedEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:27735 // The last committed entry index must always be less than the number of
736 // entries. If there are no entries, it must be -1. However, there may be a
737 // transient entry while the last committed entry index is still -1.
738 DCHECK_LT(last_committed_entry_index_, GetEntryCount());
739 DCHECK(GetEntryCount() || last_committed_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:55740 return last_committed_entry_index_;
741}
742
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57743int NavigationControllerImpl::GetEntryCount() {
arthursonzogni5c4c202d2017-04-25 23:41:27744 DCHECK_LE(entries_.size(), max_entry_count());
[email protected]a26023822011-12-29 00:23:55745 return static_cast<int>(entries_.size());
746}
747
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57748NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(int index) {
avi25764702015-06-23 15:43:37749 if (index < 0 || index >= GetEntryCount())
750 return nullptr;
751
avif16f85a72015-11-13 18:25:03752 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25753}
754
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57755NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(int offset) {
avi057ce1492015-06-29 15:59:47756 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20757}
758
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57759int NavigationControllerImpl::GetIndexForOffset(int offset) {
[email protected]7bc2b032012-12-19 22:45:46760 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03761}
762
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57763bool NavigationControllerImpl::CanGoBack() {
Shivani Sharma298d12852019-01-22 20:04:03764 if (!base::FeatureList::IsEnabled(features::kHistoryManipulationIntervention))
765 return CanGoToOffset(-1);
766
767 for (int index = GetIndexForOffset(-1); index >= 0; index--) {
768 if (!GetEntryAtIndex(index)->should_skip_on_back_forward_ui())
769 return true;
770 }
771 return false;
[email protected]765b35502008-08-21 00:51:20772}
773
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57774bool NavigationControllerImpl::CanGoForward() {
avi56e40c92015-08-27 00:11:22775 return CanGoToOffset(1);
[email protected]765b35502008-08-21 00:51:20776}
777
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57778bool NavigationControllerImpl::CanGoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03779 int index = GetIndexForOffset(offset);
780 return index >= 0 && index < GetEntryCount();
781}
782
[email protected]d202a7c2012-01-04 07:53:47783void NavigationControllerImpl::GoBack() {
shivanisha55201872018-12-13 04:29:06784 int target_index = GetIndexForOffset(-1);
785
786 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16787 // back button and move the target index past the skippable entries, if
788 // history intervention is enabled.
shivanisha55201872018-12-13 04:29:06789 int count_entries_skipped = 0;
Shivani Sharma298d12852019-01-22 20:04:03790 bool all_skippable_entries = true;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16791 bool history_intervention_enabled = base::FeatureList::IsEnabled(
792 features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06793 for (int index = target_index; index >= 0; index--) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16794 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06795 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16796 } else {
797 if (history_intervention_enabled)
798 target_index = index;
Shivani Sharma298d12852019-01-22 20:04:03799 all_skippable_entries = false;
shivanisha55201872018-12-13 04:29:06800 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16801 }
shivanisha55201872018-12-13 04:29:06802 }
803 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.BackTargetSkipped",
804 count_entries_skipped, kMaxSessionHistoryEntries);
Shivani Sharma298d12852019-01-22 20:04:03805 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.AllBackTargetsSkippable",
806 all_skippable_entries);
807
808 // Do nothing if all entries are skippable. Normally this path would not
809 // happen as consumers would have already checked it in CanGoBack but a lot of
810 // tests do not do that.
811 if (history_intervention_enabled && all_skippable_entries)
812 return;
shivanisha55201872018-12-13 04:29:06813
shivanisha55201872018-12-13 04:29:06814 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20815}
816
[email protected]d202a7c2012-01-04 07:53:47817void NavigationControllerImpl::GoForward() {
shivanisha55201872018-12-13 04:29:06818 int target_index = GetIndexForOffset(1);
819
820 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16821 // forward button and move the target index past the skippable entries, if
822 // history intervention is enabled.
823 // Note that at least one entry (the last one) will be non-skippable since
824 // entries are marked skippable only when they add another entry because of
825 // redirect or pushState.
shivanisha55201872018-12-13 04:29:06826 int count_entries_skipped = 0;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16827 bool history_intervention_enabled = base::FeatureList::IsEnabled(
828 features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06829 for (size_t index = target_index; index < entries_.size(); index++) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16830 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06831 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16832 } else {
833 if (history_intervention_enabled)
834 target_index = index;
shivanisha55201872018-12-13 04:29:06835 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16836 }
shivanisha55201872018-12-13 04:29:06837 }
838 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.ForwardTargetSkipped",
839 count_entries_skipped, kMaxSessionHistoryEntries);
840
shivanisha55201872018-12-13 04:29:06841 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20842}
843
[email protected]d202a7c2012-01-04 07:53:47844void NavigationControllerImpl::GoToIndex(int index) {
sunjian30574a62017-03-21 21:39:44845 TRACE_EVENT0("browser,navigation,benchmark",
846 "NavigationControllerImpl::GoToIndex");
[email protected]765b35502008-08-21 00:51:20847 if (index < 0 || index >= static_cast<int>(entries_.size())) {
848 NOTREACHED();
849 return;
850 }
851
[email protected]cbab76d2008-10-13 22:42:47852 if (transient_entry_index_ != -1) {
853 if (index == transient_entry_index_) {
854 // Nothing to do when navigating to the transient.
855 return;
856 }
857 if (index > transient_entry_index_) {
858 // Removing the transient is goint to shift all entries by 1.
859 index--;
860 }
861 }
862
863 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20864
arthursonzogni5c4c202d2017-04-25 23:41:27865 DCHECK_EQ(nullptr, pending_entry_);
866 DCHECK_EQ(-1, pending_entry_index_);
867 pending_entry_ = entries_[index].get();
[email protected]765b35502008-08-21 00:51:20868 pending_entry_index_ = index;
arthursonzogni5c4c202d2017-04-25 23:41:27869 pending_entry_->SetTransitionType(ui::PageTransitionFromInt(
870 pending_entry_->GetTransitionType() | ui::PAGE_TRANSITION_FORWARD_BACK));
clamy3cb9bea92018-07-10 12:42:02871 NavigateToExistingPendingEntry(ReloadType::NONE);
[email protected]765b35502008-08-21 00:51:20872}
873
[email protected]d202a7c2012-01-04 07:53:47874void NavigationControllerImpl::GoToOffset(int offset) {
toyoshim3af4d502016-03-30 12:38:12875 // Note: This is actually reached in unit tests.
[email protected]9ba14052012-06-22 23:50:03876 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20877 return;
878
[email protected]9ba14052012-06-22 23:50:03879 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20880}
881
[email protected]41374f12013-07-24 02:49:28882bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
883 if (index == last_committed_entry_index_ ||
884 index == pending_entry_index_)
885 return false;
[email protected]6a13a6c2011-12-20 21:47:12886
[email protected]43032342011-03-21 14:10:31887 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28888 return true;
[email protected]cbab76d2008-10-13 22:42:47889}
890
[email protected]d202a7c2012-01-04 07:53:47891void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23892 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32893 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31894 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51895 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
896 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32897 }
898}
899
[email protected]d202a7c2012-01-04 07:53:47900void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47901 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21902 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35903 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47904 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47905 LoadURLParams params(url);
906 params.referrer = referrer;
907 params.transition_type = transition;
908 params.extra_headers = extra_headers;
909 LoadURLWithParams(params);
910}
911
912void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43913 TRACE_EVENT1("browser,navigation",
914 "NavigationControllerImpl::LoadURLWithParams",
915 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43916 if (HandleDebugURL(params.url, params.transition_type)) {
917 // If Telemetry is running, allow the URL load to proceed as if it's
918 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49919 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43920 cc::switches::kEnableGpuBenchmarking))
921 return;
922 }
[email protected]8bf1048012012-02-08 01:22:18923
[email protected]cf002332012-08-14 19:17:47924 // Checks based on params.load_type.
925 switch (params.load_type) {
926 case LOAD_TYPE_DEFAULT:
lukasza477a5a22016-06-16 18:28:43927 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:47928 break;
929 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26930 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47931 NOTREACHED() << "Data load must use data scheme.";
932 return;
933 }
934 break;
935 default:
936 NOTREACHED();
937 break;
Lukasz Anforowiczbb0cfd5e2017-12-14 22:39:46938 }
[email protected]e47ae9472011-10-13 19:48:34939
[email protected]e47ae9472011-10-13 19:48:34940 // The user initiated a load, we don't need to reload anymore.
941 needs_reload_ = false;
942
clamy21718cc22018-06-13 13:34:24943 NavigateWithoutEntry(params);
[email protected]132e281a2012-07-31 18:32:44944}
945
creisb4dc9332016-03-14 21:39:19946bool NavigationControllerImpl::PendingEntryMatchesHandle(
947 NavigationHandleImpl* handle) const {
948 return pending_entry_ &&
949 pending_entry_->GetUniqueID() == handle->pending_nav_entry_id();
950}
951
[email protected]d202a7c2012-01-04 07:53:47952bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32953 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22954 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
peary21b0f797b2016-09-28 17:28:33955 LoadCommittedDetails* details,
Eugene But712f03d2018-05-22 16:03:44956 bool is_same_document_navigation,
shivanisha41f04c52018-12-12 15:52:05957 bool previous_page_was_activated,
Camille Lamy10aafcd32018-12-05 15:48:13958 NavigationRequest* navigation_request) {
959 DCHECK(navigation_request);
[email protected]cd2e15742013-03-08 04:08:31960 is_initial_navigation_ = false;
961
[email protected]0e8db942008-09-24 21:21:48962 // Save the previous state before we clobber it.
aelias100c9192017-01-13 00:01:43963 bool overriding_user_agent_changed = false;
[email protected]0e8db942008-09-24 21:21:48964 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51965 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55966 details->previous_entry_index = GetLastCommittedEntryIndex();
aelias100c9192017-01-13 00:01:43967 if (pending_entry_ &&
968 pending_entry_->GetIsOverridingUserAgent() !=
969 GetLastCommittedEntry()->GetIsOverridingUserAgent())
970 overriding_user_agent_changed = true;
[email protected]0e8db942008-09-24 21:21:48971 } else {
972 details->previous_url = GURL();
973 details->previous_entry_index = -1;
974 }
[email protected]ecd9d8702008-08-28 22:10:17975
fdegans9caf66a2015-07-30 21:10:42976 // If there is a pending entry at this point, it should have a SiteInstance,
977 // except for restored entries.
jam48cea9082017-02-15 06:13:29978 bool was_restored = false;
toyoshim0df1d3a2016-09-09 09:52:48979 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance() ||
980 pending_entry_->restore_type() != RestoreType::NONE);
981 if (pending_entry_ && pending_entry_->restore_type() != RestoreType::NONE) {
982 pending_entry_->set_restore_type(RestoreType::NONE);
jam48cea9082017-02-15 06:13:29983 was_restored = true;
toyoshim0df1d3a2016-09-09 09:52:48984 }
[email protected]e9ba4472008-09-14 15:42:43985
Nasko Oskovaee2f862018-06-15 00:05:52986 // If this is a navigation to a matching pending_entry_ and the SiteInstance
987 // has changed, this must be treated as a new navigation with replacement.
988 // Set the replacement bit here and ClassifyNavigation will identify this
989 // case and return NEW_PAGE.
990 if (!rfh->GetParent() && pending_entry_ &&
991 pending_entry_->GetUniqueID() == params.nav_entry_id &&
992 pending_entry_->site_instance() &&
993 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
994 DCHECK_NE(-1, pending_entry_index_);
995 // TODO(nasko,creis): Instead of setting this value here, set
996 // should_replace_current_entry on the parameters we send to the
997 // renderer process as part of CommitNavigation. The renderer should
998 // in turn send it back here as part of |params| and it can be just
999 // enforced and renderer process terminated on mismatch.
1000 details->did_replace_entry = true;
1001 } else {
1002 // The renderer tells us whether the navigation replaces the current entry.
1003 details->did_replace_entry = params.should_replace_current_entry;
1004 }
[email protected]bcd904482012-02-01 01:54:221005
[email protected]e9ba4472008-09-14 15:42:431006 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:431007 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:201008
eugenebutee08663a2017-04-27 17:43:121009 // is_same_document must be computed before the entry gets committed.
Eugene But712f03d2018-05-22 16:03:441010 details->is_same_document = is_same_document_navigation;
[email protected]b9d4dfdc2013-08-08 00:25:121011
toyoshima63c2a62016-09-29 09:03:261012 // Save reload type and timestamp for a reload navigation to detect
1013 // consecutive reloads when the next reload is requested.
Camille Lamy10aafcd32018-12-05 15:48:131014 NavigationHandleImpl* navigation_handle =
1015 navigation_request->navigation_handle();
1016 DCHECK(navigation_handle);
clamy3bf35e3c2016-11-10 15:59:441017 if (PendingEntryMatchesHandle(navigation_handle)) {
toyoshima63c2a62016-09-29 09:03:261018 if (pending_entry_->reload_type() != ReloadType::NONE) {
1019 last_committed_reload_type_ = pending_entry_->reload_type();
1020 last_committed_reload_time_ =
1021 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
1022 } else if (!pending_entry_->is_renderer_initiated() ||
1023 params.gesture == NavigationGestureUser) {
1024 last_committed_reload_type_ = ReloadType::NONE;
1025 last_committed_reload_time_ = base::Time();
1026 }
1027 }
1028
[email protected]0e8db942008-09-24 21:21:481029 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:211030 case NAVIGATION_TYPE_NEW_PAGE:
shivanisha41f04c52018-12-12 15:52:051031 RendererDidNavigateToNewPage(
1032 rfh, params, details->is_same_document, details->did_replace_entry,
1033 previous_page_was_activated, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:431034 break;
[email protected]8ff00d72012-10-23 19:12:211035 case NAVIGATION_TYPE_EXISTING_PAGE:
eugenebutee08663a2017-04-27 17:43:121036 RendererDidNavigateToExistingPage(rfh, params, details->is_same_document,
jam48cea9082017-02-15 06:13:291037 was_restored, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:431038 break;
[email protected]8ff00d72012-10-23 19:12:211039 case NAVIGATION_TYPE_SAME_PAGE:
Joe DeBlasio531e3d92018-11-06 06:26:121040 RendererDidNavigateToSamePage(rfh, params, details->is_same_document,
1041 navigation_handle);
[email protected]e9ba4472008-09-14 15:42:431042 break;
[email protected]8ff00d72012-10-23 19:12:211043 case NAVIGATION_TYPE_NEW_SUBFRAME:
eugenebutee08663a2017-04-27 17:43:121044 RendererDidNavigateNewSubframe(rfh, params, details->is_same_document,
creisf49dfc92016-07-26 17:05:181045 details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:431046 break;
[email protected]8ff00d72012-10-23 19:12:211047 case NAVIGATION_TYPE_AUTO_SUBFRAME:
creis59d5a47cb2016-08-24 23:57:191048 if (!RendererDidNavigateAutoSubframe(rfh, params)) {
creisce0ef3572017-01-26 17:53:081049 // We don't send a notification about auto-subframe PageState during
1050 // UpdateStateForFrame, since it looks like nothing has changed. Send
1051 // it here at commit time instead.
1052 NotifyEntryChanged(GetLastCommittedEntry());
[email protected]e9ba4472008-09-14 15:42:431053 return false;
creis59d5a47cb2016-08-24 23:57:191054 }
[email protected]e9ba4472008-09-14 15:42:431055 break;
[email protected]8ff00d72012-10-23 19:12:211056 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:491057 // If a pending navigation was in progress, this canceled it. We should
1058 // discard it and make sure it is removed from the URL bar. After that,
1059 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:431060 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:491061 if (pending_entry_) {
1062 DiscardNonCommittedEntries();
pdr15f5b5b2017-06-20 00:58:001063 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:491064 }
[email protected]e9ba4472008-09-14 15:42:431065 return false;
1066 default:
1067 NOTREACHED();
[email protected]765b35502008-08-21 00:51:201068 }
1069
[email protected]688aa65c62012-09-28 04:32:221070 // At this point, we know that the navigation has just completed, so
1071 // record the time.
1072 //
1073 // TODO(akalin): Use "sane time" as described in
Adam Langley4463fb832018-01-28 22:42:261074 // https://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:331075 base::Time timestamp =
1076 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
1077 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:221078 << timestamp.ToInternalValue();
1079
[email protected]f233e4232013-02-23 00:55:141080 // We should not have a pending entry anymore. Clear it again in case any
1081 // error cases above forgot to do so.
1082 DiscardNonCommittedEntriesInternal();
1083
[email protected]e9ba4472008-09-14 15:42:431084 // All committed entries should have nonempty content state so WebKit doesn't
1085 // get confused when we go back to them (see the function for details).
creis0cade2e2017-02-28 06:37:471086 DCHECK(params.page_state.IsValid()) << "Shouldn't see an empty PageState.";
creis3da03872015-02-20 21:12:321087 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:221088 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:441089 active_entry->SetHttpStatusCode(params.http_status_code);
naskoc7533512016-05-06 17:01:121090
Charles Reisc0507202017-09-21 00:40:021091 // Grab the corresponding FrameNavigationEntry for a few updates, but only if
1092 // the SiteInstance matches (to avoid updating the wrong entry by mistake).
1093 // A mismatch can occur if the renderer lies or due to a unique name collision
1094 // after a race with an OOPIF (see https://crbug.com/616820).
naskoc7533512016-05-06 17:01:121095 FrameNavigationEntry* frame_entry =
1096 active_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisc0507202017-09-21 00:40:021097 if (frame_entry && frame_entry->site_instance() != rfh->GetSiteInstance())
1098 frame_entry = nullptr;
Charles Reisf44482022017-10-13 21:15:031099 // Make sure we've updated the PageState in one of the helper methods.
creisce0ef3572017-01-26 17:53:081100 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
1101 if (frame_entry) {
Charles Reisf44482022017-10-13 21:15:031102 DCHECK(params.page_state == frame_entry->page_state());
creis4e2ecb72015-06-20 00:46:301103 }
[email protected]132e281a2012-07-31 18:32:441104
[email protected]97d8f0d2013-10-29 16:49:211105 // Once it is committed, we no longer need to track several pieces of state on
1106 // the entry.
naskoc7533512016-05-06 17:01:121107 active_entry->ResetForCommit(frame_entry);
[email protected]60d6cca2013-04-30 08:47:131108
shivanisha41f04c52018-12-12 15:52:051109 // It is possible that we are re-using this entry and it was marked to be
1110 // skipped on back/forward UI in its previous navigation. Reset it here so
1111 // that it is set afresh, if applicable, for this navigation.
1112 active_entry->set_should_skip_on_back_forward_ui(false);
1113
[email protected]49bd30e62011-03-22 20:12:591114 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:221115 // TODO(creis): This check won't pass for subframes until we create entries
1116 // for subframe navigations.
avi39c1edd32015-06-04 20:06:001117 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:421118 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:591119
[email protected]b26de072013-02-23 02:33:441120 // Remember the bindings the renderer process has at this point, so that
1121 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:321122 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:441123
[email protected]e9ba4472008-09-14 15:42:431124 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:001125 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:001126 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:311127 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:531128
[email protected]93f230e02011-06-01 14:40:001129 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:291130
John Abd-El-Malek380d3c5922017-09-08 00:20:311131 if (active_entry->GetURL().SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1132 navigation_handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek969cdd94e2017-07-10 22:18:161133 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus",
1134 !!active_entry->GetSSL().certificate);
1135 }
1136
aelias100c9192017-01-13 00:01:431137 if (overriding_user_agent_changed)
1138 delegate_->UpdateOverridingUserAgent();
1139
creis03b48002015-11-04 00:54:561140 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
1141 // one knows the latest NavigationEntry it is showing (whether it has
1142 // committed anything in this navigation or not). This allows things like
1143 // state and title updates from RenderFrames to apply to the latest relevant
1144 // NavigationEntry.
dcheng57e39e22016-01-21 00:25:381145 int nav_entry_id = active_entry->GetUniqueID();
1146 for (FrameTreeNode* node : delegate_->GetFrameTree()->Nodes())
1147 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
[email protected]e9ba4472008-09-14 15:42:431148 return true;
initial.commit09911bf2008-07-26 23:55:291149}
1150
[email protected]8ff00d72012-10-23 19:12:211151NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:321152 RenderFrameHostImpl* rfh,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571153 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi7c6f35e2015-05-08 17:52:381154 if (params.did_create_new_entry) {
1155 // A new entry. We may or may not have a pending entry for the page, and
1156 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:001157 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381158 return NAVIGATION_TYPE_NEW_PAGE;
1159 }
1160
1161 // When this is a new subframe navigation, we should have a committed page
1162 // in which it's a subframe. This may not be the case when an iframe is
1163 // navigated on a popup navigated to about:blank (the iframe would be
1164 // written into the popup by script on the main page). For these cases,
1165 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:231166 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:381167 return NAVIGATION_TYPE_NAV_IGNORE;
1168
1169 // Valid subframe navigation.
1170 return NAVIGATION_TYPE_NEW_SUBFRAME;
1171 }
1172
1173 // We only clear the session history when navigating to a new page.
1174 DCHECK(!params.history_list_was_cleared);
1175
avi39c1edd32015-06-04 20:06:001176 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381177 // All manual subframes would be did_create_new_entry and handled above, so
1178 // we know this is auto.
1179 if (GetLastCommittedEntry()) {
1180 return NAVIGATION_TYPE_AUTO_SUBFRAME;
1181 } else {
1182 // We ignore subframes created in non-committed pages; we'd appreciate if
1183 // people stopped doing that.
1184 return NAVIGATION_TYPE_NAV_IGNORE;
1185 }
1186 }
1187
1188 if (params.nav_entry_id == 0) {
1189 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1190 // create a new page.
1191
1192 // Just like above in the did_create_new_entry case, it's possible to
1193 // scribble onto an uncommitted page. Again, there isn't any navigation
1194 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231195 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231196 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381197 return NAVIGATION_TYPE_NAV_IGNORE;
1198
Charles Reis1378111f2017-11-08 21:44:061199 // This is history.replaceState() or history.reload().
Nasko Oskov332593c2018-08-16 17:21:341200 // TODO(nasko): With error page isolation, reloading an existing session
1201 // history entry can result in change of SiteInstance. Check for such a case
1202 // here and classify it as NEW_PAGE, as such navigations should be treated
1203 // as new with replacement.
avi259dc792015-07-07 04:42:361204 return NAVIGATION_TYPE_EXISTING_PAGE;
avi7c6f35e2015-05-08 17:52:381205 }
1206
Nasko Oskovaee2f862018-06-15 00:05:521207 if (pending_entry_ && pending_entry_->GetUniqueID() == params.nav_entry_id) {
1208 // If the SiteInstance of the |pending_entry_| does not match the
1209 // SiteInstance that got committed, treat this as a new navigation with
1210 // replacement. This can happen if back/forward/reload encounters a server
1211 // redirect to a different site or an isolated error page gets successfully
1212 // reloaded into a different SiteInstance.
1213 if (pending_entry_->site_instance() &&
1214 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
creis77c9aa32015-09-25 19:59:421215 return NAVIGATION_TYPE_NEW_PAGE;
Nasko Oskovaee2f862018-06-15 00:05:521216 }
creis77c9aa32015-09-25 19:59:421217
Nasko Oskovaee2f862018-06-15 00:05:521218 if (pending_entry_index_ == -1) {
1219 // In this case, we have a pending entry for a load of a new URL but Blink
1220 // didn't do a new navigation (params.did_create_new_entry). First check
1221 // to make sure Blink didn't treat a new cross-process navigation as
1222 // inert, and thus set params.did_create_new_entry to false. In that case,
1223 // we must treat it as NEW since the SiteInstance doesn't match the entry.
1224 if (!GetLastCommittedEntry() ||
1225 GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance()) {
1226 return NAVIGATION_TYPE_NEW_PAGE;
1227 }
1228
1229 // Otherwise, this happens when you press enter in the URL bar to reload.
1230 // We will create a pending entry, but Blink will convert it to a reload
1231 // since it's the same page and not create a new entry for it (the user
1232 // doesn't want to have a new back/forward entry when they do this).
1233 // Therefore we want to just ignore the pending entry and go back to where
1234 // we were (the "existing entry").
1235 // TODO(creis,avi): Eliminate SAME_PAGE in https://crbug.com/536102.
1236 return NAVIGATION_TYPE_SAME_PAGE;
1237 }
avi7c6f35e2015-05-08 17:52:381238 }
1239
creis26d22632017-04-21 20:23:561240 // Everything below here is assumed to be an existing entry, but if there is
1241 // no last committed entry, we must consider it a new navigation instead.
1242 if (!GetLastCommittedEntry())
1243 return NAVIGATION_TYPE_NEW_PAGE;
1244
avi7c6f35e2015-05-08 17:52:381245 if (params.intended_as_new_entry) {
1246 // This was intended to be a navigation to a new entry but the pending entry
1247 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1248 // may not have a pending entry.
1249 return NAVIGATION_TYPE_EXISTING_PAGE;
1250 }
1251
1252 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1253 params.nav_entry_id == failed_pending_entry_id_) {
1254 // If the renderer was going to a new pending entry that got cleared because
1255 // of an error, this is the case of the user trying to retry a failed load
1256 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1257 // have a pending entry.
1258 return NAVIGATION_TYPE_EXISTING_PAGE;
1259 }
1260
1261 // Now we know that the notification is for an existing page. Find that entry.
1262 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1263 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441264 // The renderer has committed a navigation to an entry that no longer
1265 // exists. Because the renderer is showing that page, resurrect that entry.
1266 return NAVIGATION_TYPE_NEW_PAGE;
avi7c6f35e2015-05-08 17:52:381267 }
1268
avi7c6f35e2015-05-08 17:52:381269 // Since we weeded out "new" navigations above, we know this is an existing
1270 // (back/forward) navigation.
1271 return NAVIGATION_TYPE_EXISTING_PAGE;
1272}
1273
[email protected]d202a7c2012-01-04 07:53:471274void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321275 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221276 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361277 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441278 bool replace_entry,
shivanisha41f04c52018-12-12 15:52:051279 bool previous_page_was_activated,
clamy3bf35e3c2016-11-10 15:59:441280 NavigationHandleImpl* handle) {
dcheng9bfa5162016-04-09 01:00:571281 std::unique_ptr<NavigationEntryImpl> new_entry;
creisf49dfc92016-07-26 17:05:181282 bool update_virtual_url = false;
1283
1284 // First check if this is an in-page navigation. If so, clone the current
1285 // entry instead of looking at the pending entry, because the pending entry
1286 // does not have any subframe history items.
eugenebut604866f2017-05-10 21:35:361287 if (is_same_document && GetLastCommittedEntry()) {
creisf49dfc92016-07-26 17:05:181288 FrameNavigationEntry* frame_entry = new FrameNavigationEntry(
Charles Reisd2a509f2017-09-27 23:47:481289 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisf49dfc92016-07-26 17:05:181290 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321291 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
1292 params.referrer, params.redirects, params.page_state, params.method,
1293 params.post_id, nullptr /* blob_url_loader_factory */);
Charles Reisf44482022017-10-13 21:15:031294
creisf49dfc92016-07-26 17:05:181295 new_entry = GetLastCommittedEntry()->CloneAndReplace(
1296 frame_entry, true, rfh->frame_tree_node(),
1297 delegate_->GetFrameTree()->root());
jama78746e2017-02-22 17:21:571298 if (new_entry->GetURL().GetOrigin() != params.url.GetOrigin()) {
1299 // TODO(jam): we had one report of this with a URL that was redirecting to
1300 // only tildes. Until we understand that better, don't copy the cert in
1301 // this case.
1302 new_entry->GetSSL() = SSLStatus();
John Abd-El-Malek9cd697e2017-07-12 21:53:141303
John Abd-El-Malek380d3c5922017-09-08 00:20:311304 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1305 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141306 UMA_HISTOGRAM_BOOLEAN(
1307 "Navigation.SecureSchemeHasSSLStatus.NewPageInPageOriginMismatch",
1308 !!new_entry->GetSSL().certificate);
1309 }
jama78746e2017-02-22 17:21:571310 }
creisf49dfc92016-07-26 17:05:181311
1312 // We expect |frame_entry| to be owned by |new_entry|. This should never
1313 // fail, because it's the main frame.
1314 CHECK(frame_entry->HasOneRef());
1315
1316 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malek9cd697e2017-07-12 21:53:141317
John Abd-El-Malek380d3c5922017-09-08 00:20:311318 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1319 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141320 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.NewPageInPage",
1321 !!new_entry->GetSSL().certificate);
1322 }
creisf49dfc92016-07-26 17:05:181323 }
1324
[email protected]6dd86ab2013-02-27 00:30:341325 // Only make a copy of the pending entry if it is appropriate for the new page
csharrison9a9142bc42016-03-01 17:24:041326 // that was just loaded. Verify this by checking if the entry corresponds
clamy3bf35e3c2016-11-10 15:59:441327 // to the given navigation handle. Additionally, coarsely check that:
csharrison9a9142bc42016-03-01 17:24:041328 // 1. The SiteInstance hasn't been assigned to something else.
1329 // 2. The pending entry was intended as a new entry, rather than being a
1330 // history navigation that was interrupted by an unrelated,
1331 // renderer-initiated navigation.
1332 // TODO(csharrison): Investigate whether we can remove some of the coarser
1333 // checks.
creisf49dfc92016-07-26 17:05:181334 if (!new_entry &&
1335 PendingEntryMatchesHandle(handle) && pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341336 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431337 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351338 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431339
[email protected]f1eb87a2011-05-06 17:49:411340 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malekf36e05f2017-11-30 16:17:521341 new_entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141342
John Abd-El-Malek380d3c5922017-09-08 00:20:311343 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1344 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141345 UMA_HISTOGRAM_BOOLEAN(
1346 "Navigation.SecureSchemeHasSSLStatus.NewPagePendingEntryMatches",
1347 !!new_entry->GetSSL().certificate);
1348 }
creisf49dfc92016-07-26 17:05:181349 }
1350
1351 // For non-in-page commits with no matching pending entry, create a new entry.
1352 if (!new_entry) {
dcheng9bfa5162016-04-09 01:00:571353 new_entry = base::WrapUnique(new NavigationEntryImpl);
[email protected]f8f93eb2012-09-25 03:06:241354
1355 // Find out whether the new entry needs to update its virtual URL on URL
1356 // change and set up the entry accordingly. This is needed to correctly
1357 // update the virtual URL when replaceState is called after a pushState.
1358 GURL url = params.url;
1359 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431360 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1361 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241362 new_entry->set_update_virtual_url_with_url(needs_update);
1363
[email protected]f1eb87a2011-05-06 17:49:411364 // When navigating to a new page, give the browser URL handler a chance to
1365 // update the virtual URL based on the new URL. For example, this is needed
1366 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1367 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241368 update_virtual_url = needs_update;
John Abd-El-Malekf36e05f2017-11-30 16:17:521369 new_entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141370
John Abd-El-Malek380d3c5922017-09-08 00:20:311371 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1372 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141373 UMA_HISTOGRAM_BOOLEAN(
1374 "Navigation.SecureSchemeHasSSLStatus.NewPageNoMatchingEntry",
1375 !!new_entry->GetSSL().certificate);
1376 }
[email protected]e9ba4472008-09-14 15:42:431377 }
1378
wjmaclean7431bb22015-02-19 14:53:431379 // Don't use the page type from the pending entry. Some interstitial page
1380 // may have set the type to interstitial. Once we commit, however, the page
1381 // type must always be normal or error.
1382 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1383 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041384 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411385 if (update_virtual_url)
avi25764702015-06-23 15:43:371386 UpdateVirtualURLToURL(new_entry.get(), params.url);
[email protected]022af742011-12-28 18:37:251387 new_entry->SetReferrer(params.referrer);
[email protected]022af742011-12-28 18:37:251388 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331389 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431390 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]7c16976c2012-08-04 02:38:231391 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221392 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431393
creis8b5cd4c2015-06-19 00:11:081394 // Update the FrameNavigationEntry for new main frame commits.
1395 FrameNavigationEntry* frame_entry =
1396 new_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisd2a509f2017-09-27 23:47:481397 frame_entry->set_frame_unique_name(rfh->frame_tree_node()->unique_name());
creis8b5cd4c2015-06-19 00:11:081398 frame_entry->set_item_sequence_number(params.item_sequence_number);
1399 frame_entry->set_document_sequence_number(params.document_sequence_number);
Charles Reisf44482022017-10-13 21:15:031400 frame_entry->set_redirect_chain(params.redirects);
1401 frame_entry->SetPageState(params.page_state);
clamy432acb22016-04-15 19:41:431402 frame_entry->set_method(params.method);
1403 frame_entry->set_post_id(params.post_id);
Nasko Oskov03912102019-01-11 00:21:321404 if (!params.url_is_unreachable)
1405 frame_entry->set_committed_origin(params.origin);
creis8b5cd4c2015-06-19 00:11:081406
eugenebut604866f2017-05-10 21:35:361407 // history.pushState() is classified as a navigation to a new page, but sets
1408 // is_same_document to true. In this case, we already have the title and
creisf49dfc92016-07-26 17:05:181409 // favicon available, so set them immediately.
eugenebut604866f2017-05-10 21:35:361410 if (is_same_document && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331411 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191412 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1413 }
[email protected]ff64b3e2014-05-31 04:07:331414
[email protected]60d6cca2013-04-30 08:47:131415 DCHECK(!params.history_list_was_cleared || !replace_entry);
1416 // The browser requested to clear the session history when it initiated the
1417 // navigation. Now we know that the renderer has updated its state accordingly
1418 // and it is safe to also clear the browser side history.
1419 if (params.history_list_was_cleared) {
1420 DiscardNonCommittedEntriesInternal();
1421 entries_.clear();
1422 last_committed_entry_index_ = -1;
1423 }
1424
Nasko Oskovaee2f862018-06-15 00:05:521425 // If this is a new navigation with replacement and there is a
1426 // pending_entry_ which matches the navigation reported by the renderer
1427 // process, then it should be the one replaced, so update the
1428 // last_committed_entry_index_ to use it.
1429 if (replace_entry && pending_entry_index_ != -1 &&
1430 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1431 last_committed_entry_index_ = pending_entry_index_;
1432 }
1433
shivanisha41f04c52018-12-12 15:52:051434 // The previous page that started this navigation needs to be skipped in
1435 // subsequent back/forward UI navigations if it never received any user
1436 // gesture. This is to intervene against pages that manipulate the history
1437 // such that the user is not able to go back to the last site they interacted
1438 // with (crbug.com/907167).
1439 if (!replace_entry && !previous_page_was_activated &&
1440 last_committed_entry_index_ != -1 && handle->IsRendererInitiated()) {
1441 GetLastCommittedEntry()->set_should_skip_on_back_forward_ui(true);
shivanisha55201872018-12-13 04:29:061442 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.SetShouldSkipOnBackForwardUI",
1443 true);
Shivani Sharma93329102019-01-24 19:44:181444
1445 // Log UKM with the URL of the page we are navigating away from. Note that
1446 // GetUkmSourceIdForLastCommittedSource looks into the WebContents to get
1447 // the last committed source. Since WebContents has not yet been updated
1448 // with the current URL being committed, this should give the correct source
1449 // even though |rfh| here belongs to the current navigation.
1450 ukm::SourceId source_id = rfh->delegate()
1451 ->GetUkmSourceIdForLastCommittedSource();
1452 ukm::builders::HistoryManipulationIntervention(source_id).Record(
1453 ukm::UkmRecorder::Get());
shivanisha55201872018-12-13 04:29:061454 } else if (last_committed_entry_index_ != -1) {
1455 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.SetShouldSkipOnBackForwardUI",
1456 false);
shivanisha41f04c52018-12-12 15:52:051457 }
1458
dcheng36b6aec92015-12-26 06:16:361459 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431460}
1461
[email protected]d202a7c2012-01-04 07:53:471462void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321463 RenderFrameHostImpl* rfh,
jam0576b132016-09-07 05:13:101464 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361465 bool is_same_document,
jam48cea9082017-02-15 06:13:291466 bool was_restored,
clamy3bf35e3c2016-11-10 15:59:441467 NavigationHandleImpl* handle) {
creis26d22632017-04-21 20:23:561468 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1469 << "that a last committed entry exists.";
1470
[email protected]e9ba4472008-09-14 15:42:431471 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001472 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431473
avicbdc4c12015-07-01 16:07:111474 NavigationEntryImpl* entry;
1475 if (params.intended_as_new_entry) {
1476 // This was intended as a new entry but the pending entry was lost in the
1477 // meanwhile and no new page was created. We are stuck at the last committed
1478 // entry.
1479 entry = GetLastCommittedEntry();
eugenebut604866f2017-05-10 21:35:361480 // If this is a same document navigation, then there's no SSLStatus in the
jam1325c822017-03-17 18:20:541481 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361482 if (!is_same_document)
John Abd-El-Malekf36e05f2017-11-30 16:17:521483 entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141484
John Abd-El-Malek380d3c5922017-09-08 00:20:311485 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1486 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141487 bool has_cert = !!entry->GetSSL().certificate;
1488 if (is_same_document) {
1489 UMA_HISTOGRAM_BOOLEAN(
1490 "Navigation.SecureSchemeHasSSLStatus."
1491 "ExistingPageSameDocumentIntendedAsNew",
1492 has_cert);
1493 } else {
1494 UMA_HISTOGRAM_BOOLEAN(
1495 "Navigation.SecureSchemeHasSSLStatus."
1496 "ExistingPageDifferentDocumentIntendedAsNew",
1497 has_cert);
1498 }
1499 }
avicbdc4c12015-07-01 16:07:111500 } else if (params.nav_entry_id) {
1501 // This is a browser-initiated navigation (back/forward/reload).
1502 entry = GetEntryWithUniqueID(params.nav_entry_id);
jamd208b90ce2016-09-01 16:58:161503
eugenebut604866f2017-05-10 21:35:361504 if (is_same_document) {
1505 // There's no SSLStatus in the NavigationHandle for same document
1506 // navigations, so normally we leave |entry|'s SSLStatus as is. However if
1507 // this was a restored same document navigation entry, then it won't have
1508 // an SSLStatus. So we need to copy over the SSLStatus from the entry that
1509 // navigated it.
jam48cea9082017-02-15 06:13:291510 NavigationEntryImpl* last_entry = GetLastCommittedEntry();
1511 if (entry->GetURL().GetOrigin() == last_entry->GetURL().GetOrigin() &&
1512 last_entry->GetSSL().initialized && !entry->GetSSL().initialized &&
1513 was_restored) {
1514 entry->GetSSL() = last_entry->GetSSL();
1515 }
1516 } else {
John Abd-El-Malek3f247082017-12-07 19:02:191517 // In rapid back/forward navigations |handle| sometimes won't have a cert
1518 // (http://crbug.com/727892). So we use the handle's cert if it exists,
1519 // otherwise we only reuse the existing cert if the origins match.
1520 if (handle->GetSSLInfo().is_valid()) {
John Abd-El-Malekf36e05f2017-11-30 16:17:521521 entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek3f247082017-12-07 19:02:191522 } else if (entry->GetURL().GetOrigin() != handle->GetURL().GetOrigin()) {
1523 entry->GetSSL() = SSLStatus();
1524 }
jam48cea9082017-02-15 06:13:291525 }
John Abd-El-Malek9cd697e2017-07-12 21:53:141526
John Abd-El-Malek380d3c5922017-09-08 00:20:311527 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1528 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141529 bool has_cert = !!entry->GetSSL().certificate;
1530 if (is_same_document && was_restored) {
1531 UMA_HISTOGRAM_BOOLEAN(
1532 "Navigation.SecureSchemeHasSSLStatus."
1533 "ExistingPageSameDocumentRestoredBrowserInitiated",
1534 has_cert);
1535 } else if (is_same_document && !was_restored) {
1536 UMA_HISTOGRAM_BOOLEAN(
1537 "Navigation.SecureSchemeHasSSLStatus."
1538 "ExistingPageSameDocumentBrowserInitiated",
1539 has_cert);
1540 } else if (!is_same_document && was_restored) {
1541 UMA_HISTOGRAM_BOOLEAN(
1542 "Navigation.SecureSchemeHasSSLStatus."
1543 "ExistingPageRestoredBrowserInitiated",
1544 has_cert);
1545 } else {
1546 UMA_HISTOGRAM_BOOLEAN(
1547 "Navigation.SecureSchemeHasSSLStatus.ExistingPageBrowserInitiated",
1548 has_cert);
1549 }
1550 }
avicbdc4c12015-07-01 16:07:111551 } else {
1552 // This is renderer-initiated. The only kinds of renderer-initated
Charles Reis1378111f2017-11-08 21:44:061553 // navigations that are EXISTING_PAGE are reloads and history.replaceState,
avicbdc4c12015-07-01 16:07:111554 // which land us at the last committed entry.
1555 entry = GetLastCommittedEntry();
jam0576b132016-09-07 05:13:101556
Mikel Astizba9cf2fd2017-12-17 10:38:101557 // TODO(crbug.com/751023): Set page transition type to PAGE_TRANSITION_LINK
1558 // to avoid misleading interpretations (e.g. URLs paired with
1559 // PAGE_TRANSITION_TYPED that haven't actually been typed) as well as to fix
1560 // the inconsistency with what we report to observers (PAGE_TRANSITION_LINK
1561 // | PAGE_TRANSITION_CLIENT_REDIRECT).
1562
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571563 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(entry, entry);
Mikel Astizba9cf2fd2017-12-17 10:38:101564
eugenebut604866f2017-05-10 21:35:361565 // If this is a same document navigation, then there's no SSLStatus in the
jam0576b132016-09-07 05:13:101566 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361567 if (!is_same_document)
John Abd-El-Malekf36e05f2017-11-30 16:17:521568 entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141569
John Abd-El-Malek380d3c5922017-09-08 00:20:311570 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1571 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141572 bool has_cert = !!entry->GetSSL().certificate;
1573 if (is_same_document) {
1574 UMA_HISTOGRAM_BOOLEAN(
1575 "Navigation.SecureSchemeHasSSLStatus."
1576 "ExistingPageSameDocumentRendererInitiated",
1577 has_cert);
1578 } else {
1579 UMA_HISTOGRAM_BOOLEAN(
1580 "Navigation.SecureSchemeHasSSLStatus."
1581 "ExistingPageDifferentDocumentRendererInitiated",
1582 has_cert);
1583 }
1584 }
avicbdc4c12015-07-01 16:07:111585 }
1586 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:431587
[email protected]5ccd4dc2012-10-24 02:28:141588 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431589 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1590 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041591 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201592 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321593 if (entry->update_virtual_url_with_url())
1594 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141595
jam015ba062017-01-06 21:17:001596 // The site instance will normally be the same except
1597 // 1) session restore, when no site instance will be assigned or
1598 // 2) redirect, when the site instance is reset.
naskoaf182192016-08-11 02:12:011599 DCHECK(entry->site_instance() == nullptr ||
jam015ba062017-01-06 21:17:001600 !entry->GetRedirectChain().empty() ||
naskoaf182192016-08-11 02:12:011601 entry->site_instance() == rfh->GetSiteInstance());
clamy432acb22016-04-15 19:41:431602
naskoaf182192016-08-11 02:12:011603 // Update the existing FrameNavigationEntry to ensure all of its members
1604 // reflect the parameters coming from the renderer process.
1605 entry->AddOrUpdateFrameEntry(
1606 rfh->frame_tree_node(), params.item_sequence_number,
1607 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321608 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
1609 params.redirects, params.page_state, params.method, params.post_id,
Nasko Oskov18006bc2018-12-06 02:53:581610 nullptr /* blob_url_loader_factory */);
creis22a7b4c2016-04-28 07:20:301611
[email protected]5ccd4dc2012-10-24 02:28:141612 // The redirected to page should not inherit the favicon from the previous
1613 // page.
eugenebut604866f2017-05-10 21:35:361614 if (ui::PageTransitionIsRedirect(params.transition) && !is_same_document)
[email protected]91a4ff82012-10-29 20:29:481615 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141616
[email protected]e9ba4472008-09-14 15:42:431617 // The entry we found in the list might be pending if the user hit
1618 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591619 // list, we can just discard the pending pointer). We should also discard the
1620 // pending entry if it corresponds to a different navigation, since that one
1621 // is now likely canceled. If it is not canceled, we will treat it as a new
1622 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431623 //
1624 // Note that we need to use the "internal" version since we don't want to
1625 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491626 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391627
[email protected]80858db52009-10-15 00:35:181628 // If a transient entry was removed, the indices might have changed, so we
1629 // have to query the entry index again.
avicbdc4c12015-07-01 16:07:111630 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:431631}
1632
[email protected]d202a7c2012-01-04 07:53:471633void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321634 RenderFrameHostImpl* rfh,
clamy3bf35e3c2016-11-10 15:59:441635 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
Joe DeBlasio531e3d92018-11-06 06:26:121636 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441637 NavigationHandleImpl* handle) {
aviaf5660962015-06-30 15:12:291638 // This classification says that we have a pending entry that's the same as
1639 // the last committed entry. This entry is guaranteed to exist by
[email protected]4c27ba82008-09-24 16:49:091640 // ClassifyNavigation. All we need to do is update the existing entry.
aviaf5660962015-06-30 15:12:291641 NavigationEntryImpl* existing_entry = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431642
creis77c9aa32015-09-25 19:59:421643 // If we classified this correctly, the SiteInstance should not have changed.
1644 CHECK_EQ(existing_entry->site_instance(), rfh->GetSiteInstance());
1645
[email protected]e9ba4472008-09-14 15:42:431646 // We assign the entry's unique ID to be that of the new one. Since this is
1647 // always the result of a user action, we want to dismiss infobars, etc. like
1648 // a regular user-initiated navigation.
creis77c9aa32015-09-25 19:59:421649 DCHECK_EQ(pending_entry_->GetUniqueID(), params.nav_entry_id);
[email protected]36fc0392011-12-25 03:59:511650 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431651
[email protected]a0e69262009-06-03 19:08:481652 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431653 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1654 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321655 if (existing_entry->update_virtual_url_with_url())
1656 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041657 existing_entry->SetURL(params.url);
[email protected]a0e69262009-06-03 19:08:481658
jamd208b90ce2016-09-01 16:58:161659 // If a user presses enter in the omnibox and the server redirects, the URL
Joe DeBlasio531e3d92018-11-06 06:26:121660 // might change (but it's still considered a SAME_PAGE navigation), so we must
1661 // update the SSL status if we perform a network request (e.g. a
1662 // non-same-document navigation). Requests that don't result in a network
1663 // request do not have a valid SSL status, but since the document didn't
1664 // change, the previous SSLStatus is still valid.
1665 if (!is_same_document)
1666 existing_entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
jamd208b90ce2016-09-01 16:58:161667
John Abd-El-Malek509dfd62017-09-05 21:34:491668 if (existing_entry->GetURL().SchemeIs(url::kHttpsScheme) &&
John Abd-El-Malek380d3c5922017-09-08 00:20:311669 !rfh->GetParent() && handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141670 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.SamePage",
1671 !!existing_entry->GetSSL().certificate);
1672 }
1673
jianlid26f6c92016-10-12 21:03:171674 // The extra headers may have changed due to reloading with different headers.
1675 existing_entry->set_extra_headers(pending_entry_->extra_headers());
1676
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 existing_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 */);
[email protected]b77686522013-12-11 20:34:191685
[email protected]cbab76d2008-10-13 22:42:471686 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431687}
1688
[email protected]d202a7c2012-01-04 07:53:471689void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321690 RenderFrameHostImpl* rfh,
creis1857908a2016-02-25 20:31:521691 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361692 bool is_same_document,
creis1857908a2016-02-25 20:31:521693 bool replace_entry) {
avi25f5f9e2015-07-17 20:08:261694 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1695 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
[email protected]09b8f82f2009-06-16 20:22:111696
[email protected]e9ba4472008-09-14 15:42:431697 // Manual subframe navigations just get the current entry cloned so the user
1698 // can go back or forward to it. The actual subframe information will be
1699 // stored in the page state for each of those entries. This happens out of
1700 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091701 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1702 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381703
Mikel Astizba9cf2fd2017-12-17 10:38:101704 // The DCHECK below documents the fact that we don't know of any situation
1705 // where |replace_entry| is true for subframe navigations. This simplifies
1706 // reasoning about the replacement struct for subframes (see
1707 // CopyReplacedNavigationEntryDataIfPreviouslyEmpty()).
1708 DCHECK(!replace_entry);
1709
creisce0ef3572017-01-26 17:53:081710 // Make sure we don't leak frame_entry if new_entry doesn't take ownership.
1711 scoped_refptr<FrameNavigationEntry> frame_entry(new FrameNavigationEntry(
Charles Reisd2a509f2017-09-27 23:47:481712 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisce0ef3572017-01-26 17:53:081713 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321714 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
1715 params.referrer, params.redirects, params.page_state, params.method,
1716 params.post_id, nullptr /* blob_url_loader_factory */));
Charles Reisf44482022017-10-13 21:15:031717
creisce0ef3572017-01-26 17:53:081718 std::unique_ptr<NavigationEntryImpl> new_entry =
1719 GetLastCommittedEntry()->CloneAndReplace(
eugenebut604866f2017-05-10 21:35:361720 frame_entry.get(), is_same_document, rfh->frame_tree_node(),
creisce0ef3572017-01-26 17:53:081721 delegate_->GetFrameTree()->root());
creise062d542015-08-25 02:01:551722
creisce0ef3572017-01-26 17:53:081723 // TODO(creis): Update this to add the frame_entry if we can't find the one
1724 // to replace, which can happen due to a unique name change. See
1725 // https://crbug.com/607205. For now, frame_entry will be deleted when it
1726 // goes out of scope if it doesn't get used.
creis96fc55082015-06-13 06:42:381727
creis1857908a2016-02-25 20:31:521728 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431729}
1730
[email protected]d202a7c2012-01-04 07:53:471731bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321732 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221733 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291734 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1735 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1736
[email protected]e9ba4472008-09-14 15:42:431737 // We're guaranteed to have a previously committed entry, and we now need to
1738 // handle navigation inside of a subframe in it without creating a new entry.
1739 DCHECK(GetLastCommittedEntry());
1740
creis913c63ce2016-07-16 19:52:521741 // For newly created subframes, we don't need to send a commit notification.
1742 // This is only necessary for history navigations in subframes.
1743 bool send_commit_notification = false;
1744
1745 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1746 // a history navigation. Update the last committed index accordingly.
1747 // If we don't recognize the |nav_entry_id|, it might be a recently pruned
1748 // entry. We'll handle it below.
avi98405c22015-05-21 20:47:061749 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511750 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
creis3cdc3b02015-05-29 23:00:471751 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061752 // Make sure that a subframe commit isn't changing the main frame's
1753 // origin. Otherwise the renderer process may be confused, leading to a
1754 // URL spoof. We can't check the path since that may change
1755 // (https://crbug.com/373041).
creis37988b92016-06-10 18:03:571756 // TODO(creis): For now, restrict this check to HTTP(S) origins, because
1757 // about:blank, file, and unique origins are more subtle to get right.
Eugene But9fb98d12018-05-22 18:28:331758 // We'll abstract out the relevant checks from IsURLSameDocumentNavigation
1759 // and share them here. See https://crbug.com/618104.
creis37988b92016-06-10 18:03:571760 const GURL& dest_top_url = GetEntryAtIndex(entry_index)->GetURL();
1761 const GURL& current_top_url = GetLastCommittedEntry()->GetURL();
1762 if (current_top_url.SchemeIsHTTPOrHTTPS() &&
1763 dest_top_url.SchemeIsHTTPOrHTTPS() &&
1764 current_top_url.GetOrigin() != dest_top_url.GetOrigin()) {
creisfb6eeb62016-05-10 19:01:511765 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1766 bad_message::NC_AUTO_SUBFRAME);
avi98405c22015-05-21 20:47:061767 }
creis3cdc3b02015-05-29 23:00:471768
creis913c63ce2016-07-16 19:52:521769 // We only need to discard the pending entry in this history navigation
1770 // case. For newly created subframes, there was no pending entry.
avi98405c22015-05-21 20:47:061771 last_committed_entry_index_ = entry_index;
1772 DiscardNonCommittedEntriesInternal();
creis913c63ce2016-07-16 19:52:521773
1774 // History navigations should send a commit notification.
1775 send_commit_notification = true;
avi98405c22015-05-21 20:47:061776 }
[email protected]e9ba4472008-09-14 15:42:431777 }
[email protected]f233e4232013-02-23 00:55:141778
creisce0ef3572017-01-26 17:53:081779 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1780 // it may be a "history auto" case where we update an existing one.
1781 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
1782 last_committed->AddOrUpdateFrameEntry(
1783 rfh->frame_tree_node(), params.item_sequence_number,
1784 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321785 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
1786 params.redirects, params.page_state, params.method, params.post_id,
Nasko Oskov18006bc2018-12-06 02:53:581787 nullptr /* blob_url_loader_factory */);
creis625a0c7d2015-03-24 23:17:121788
creis913c63ce2016-07-16 19:52:521789 return send_commit_notification;
[email protected]e9ba4472008-09-14 15:42:431790}
1791
[email protected]d202a7c2012-01-04 07:53:471792int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231793 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:031794 for (size_t i = 0; i < entries_.size(); ++i) {
1795 if (entries_[i].get() == entry)
1796 return i;
1797 }
1798 return -1;
[email protected]765b35502008-08-21 00:51:201799}
1800
Eugene But7cc259d2017-10-09 23:52:491801// There are two general cases where a navigation is "same-document":
avidb7d1d22015-06-08 21:21:501802// 1. A fragment navigation, in which the url is kept the same except for the
1803// reference fragment.
1804// 2. A history API navigation (pushState and replaceState). This case is
Eugene But7cc259d2017-10-09 23:52:491805// always same-document, but the urls are not guaranteed to match excluding
1806// the fragment. The relevant spec allows pushState/replaceState to any URL
1807// on the same origin.
avidb7d1d22015-06-08 21:21:501808// However, due to reloads, even identical urls are *not* guaranteed to be
Eugene But7cc259d2017-10-09 23:52:491809// same-document navigations, we have to trust the renderer almost entirely.
avidb7d1d22015-06-08 21:21:501810// The one thing we do know is that cross-origin navigations will *never* be
Eugene But7cc259d2017-10-09 23:52:491811// same-document. Therefore, trust the renderer if the URLs are on the same
1812// origin, and assume the renderer is malicious if a cross-origin navigation
1813// claims to be same-document.
creisf164daa2016-06-07 00:17:051814//
1815// TODO(creis): Clean up and simplify the about:blank and origin checks below,
1816// which are likely redundant with each other. Be careful about data URLs vs
1817// about:blank, both of which are unique origins and thus not considered equal.
Eugene But7cc259d2017-10-09 23:52:491818bool NavigationControllerImpl::IsURLSameDocumentNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121819 const GURL& url,
creisf164daa2016-06-07 00:17:051820 const url::Origin& origin,
Eugene But7cc259d2017-10-09 23:52:491821 bool renderer_says_same_document,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571822 RenderFrameHost* rfh) {
creis225a7432016-06-03 22:56:271823 RenderFrameHostImpl* rfhi = static_cast<RenderFrameHostImpl*>(rfh);
avidb7d1d22015-06-08 21:21:501824 GURL last_committed_url;
1825 if (rfh->GetParent()) {
creis225a7432016-06-03 22:56:271826 // Use the FrameTreeNode's current_url and not rfh->GetLastCommittedURL(),
1827 // which might be empty in a new RenderFrameHost after a process swap.
1828 // Here, we care about the last committed URL in the FrameTreeNode,
1829 // regardless of which process it is in.
1830 last_committed_url = rfhi->frame_tree_node()->current_url();
avidb7d1d22015-06-08 21:21:501831 } else {
1832 NavigationEntry* last_committed = GetLastCommittedEntry();
1833 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1834 // might Blink say that a navigation is in-page yet there be no last-
1835 // committed entry?
1836 if (!last_committed)
1837 return false;
1838 last_committed_url = last_committed->GetURL();
1839 }
1840
1841 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
creis225a7432016-06-03 22:56:271842 const url::Origin& committed_origin =
1843 rfhi->frame_tree_node()->current_origin();
avidb7d1d22015-06-08 21:21:501844 bool is_same_origin = last_committed_url.is_empty() ||
1845 // TODO(japhet): We should only permit navigations
1846 // originating from about:blank to be in-page if the
1847 // about:blank is the first document that frame loaded.
1848 // We don't have sufficient information to identify
1849 // that case at the moment, so always allow about:blank
1850 // for now.
csharrisona3bd0b32016-10-19 18:40:481851 last_committed_url == url::kAboutBlankURL ||
avidb7d1d22015-06-08 21:21:501852 last_committed_url.GetOrigin() == url.GetOrigin() ||
creisf164daa2016-06-07 00:17:051853 committed_origin == origin ||
avidb7d1d22015-06-08 21:21:501854 !prefs.web_security_enabled ||
1855 (prefs.allow_universal_access_from_file_urls &&
creisdc004e02015-11-20 21:28:471856 committed_origin.scheme() == url::kFileScheme);
Eugene But7cc259d2017-10-09 23:52:491857 if (!is_same_origin && renderer_says_same_document) {
avidb7d1d22015-06-08 21:21:501858 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1859 bad_message::NC_IN_PAGE_NAVIGATION);
1860 }
Eugene But7cc259d2017-10-09 23:52:491861 return is_same_origin && renderer_says_same_document;
[email protected]e9ba4472008-09-14 15:42:431862}
1863
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571864void NavigationControllerImpl::CopyStateFrom(NavigationController* temp,
Francois Dorayeaace782017-06-21 16:37:241865 bool needs_reload) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571866 NavigationControllerImpl* source =
1867 static_cast<NavigationControllerImpl*>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571868 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551869 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571870
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571871 if (source->GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571872 return; // Nothing new to do.
1873
Francois Dorayeaace782017-06-21 16:37:241874 needs_reload_ = needs_reload;
Bo Liucdfa4b12018-11-06 00:21:441875 needs_reload_type_ = NeedsReloadType::kCopyStateFrom;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571876 InsertEntriesFrom(source, source->GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571877
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571878 for (auto it = source->session_storage_namespace_map_.begin();
1879 it != source->session_storage_namespace_map_.end(); ++it) {
[email protected]fdac6ade2013-07-20 01:06:301880 SessionStorageNamespaceImpl* source_namespace =
1881 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1882 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1883 }
[email protected]4e6419c2010-01-15 04:50:341884
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571885 FinishRestore(source->last_committed_entry_index_,
toyoshim0df1d3a2016-09-09 09:52:481886 RestoreType::CURRENT_SESSION);
[email protected]ce3fa3c2009-04-20 19:55:571887}
1888
[email protected]d202a7c2012-01-04 07:53:471889void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571890 NavigationController* temp,
1891 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161892 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011893 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161894
[email protected]d202a7c2012-01-04 07:53:471895 NavigationControllerImpl* source =
1896 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251897
avi2b177592014-12-10 02:08:021898 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011899 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251900
[email protected]474f8512013-05-31 22:31:161901 // We now have one entry, possibly with a new pending entry. Ensure that
1902 // adding the entries from source won't put us over the limit.
1903 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571904 if (!replace_entry)
1905 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251906
[email protected]47e020a2010-10-15 14:43:371907 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021908 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161909 // since it has not committed in source.
1910 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251911 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551912 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251913 else
1914 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571915
1916 // Ignore the source's current entry if merging with replacement.
1917 // TODO(davidben): This should preserve entries forward of the current
1918 // too. http://crbug.com/317872
1919 if (replace_entry && max_source_index > 0)
1920 max_source_index--;
1921
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571922 InsertEntriesFrom(source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251923
1924 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551925 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141926
avi2b177592014-12-10 02:08:021927 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1928 GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:251929}
1930
[email protected]79368982013-11-13 01:11:011931bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161932 // If there is no last committed entry, we cannot prune. Even if there is a
1933 // pending entry, it may not commit, leaving this WebContents blank, despite
1934 // possibly giving it new entries via CopyStateFromAndPrune.
1935 if (last_committed_entry_index_ == -1)
1936 return false;
[email protected]9350602e2013-02-26 23:27:441937
[email protected]474f8512013-05-31 22:31:161938 // We cannot prune if there is a pending entry at an existing entry index.
1939 // It may not commit, so we have to keep the last committed entry, and thus
1940 // there is no sensible place to keep the pending entry. It is ok to have
1941 // a new pending entry, which can optionally commit as a new navigation.
1942 if (pending_entry_index_ != -1)
1943 return false;
1944
1945 // We should not prune if we are currently showing a transient entry.
1946 if (transient_entry_index_ != -1)
1947 return false;
1948
1949 return true;
1950}
1951
[email protected]79368982013-11-13 01:11:011952void NavigationControllerImpl::PruneAllButLastCommitted() {
1953 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161954
avi2b177592014-12-10 02:08:021955 DCHECK_EQ(0, last_committed_entry_index_);
1956 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441957
avi2b177592014-12-10 02:08:021958 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1959 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441960}
1961
[email protected]79368982013-11-13 01:11:011962void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161963 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011964 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261965
[email protected]474f8512013-05-31 22:31:161966 // Erase all entries but the last committed entry. There may still be a
1967 // new pending entry after this.
1968 entries_.erase(entries_.begin(),
1969 entries_.begin() + last_committed_entry_index_);
1970 entries_.erase(entries_.begin() + 1, entries_.end());
1971 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261972}
1973
Christian Dullweber1af31e62018-02-22 11:49:481974void NavigationControllerImpl::DeleteNavigationEntries(
1975 const DeletionPredicate& deletionPredicate) {
1976 // It is up to callers to check the invariants before calling this.
1977 CHECK(CanPruneAllButLastCommitted());
1978 std::vector<int> delete_indices;
1979 for (size_t i = 0; i < entries_.size(); i++) {
1980 if (i != static_cast<size_t>(last_committed_entry_index_) &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571981 deletionPredicate.Run(entries_[i].get())) {
Christian Dullweber1af31e62018-02-22 11:49:481982 delete_indices.push_back(i);
1983 }
1984 }
1985 if (delete_indices.empty())
1986 return;
1987
1988 if (delete_indices.size() == GetEntryCount() - 1U) {
1989 PruneAllButLastCommitted();
1990 } else {
1991 // Do the deletion in reverse to preserve indices.
1992 for (auto it = delete_indices.rbegin(); it != delete_indices.rend(); ++it) {
1993 RemoveEntryAtIndex(*it);
1994 }
1995 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1996 GetEntryCount());
1997 }
1998 delegate()->NotifyNavigationEntriesDeleted();
1999}
2000
clamy987a3752018-05-03 17:36:262001void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
2002 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
2003 // progress, since this will cause a use-after-free. (We only allow this
2004 // when the tab is being destroyed for shutdown, since it won't return to
2005 // NavigateToEntry in that case.) http://crbug.com/347742.
2006 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
2007
2008 if (was_failure && pending_entry_) {
2009 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
2010 } else {
2011 failed_pending_entry_id_ = 0;
2012 }
2013
2014 if (pending_entry_) {
2015 if (pending_entry_index_ == -1)
2016 delete pending_entry_;
2017 pending_entry_index_ = -1;
2018 pending_entry_ = nullptr;
2019 }
2020}
2021
2022void NavigationControllerImpl::SetPendingNavigationSSLError(bool error) {
2023 if (pending_entry_)
2024 pending_entry_->set_ssl_error(error);
2025}
2026
Camille Lamy5193caa2018-10-12 11:59:422027#if defined(OS_ANDROID)
2028// static
2029bool NavigationControllerImpl::ValidateDataURLAsString(
2030 const scoped_refptr<const base::RefCountedString>& data_url_as_string) {
2031 if (!data_url_as_string)
2032 return false;
2033
2034 if (data_url_as_string->size() > kMaxLengthOfDataURLString)
2035 return false;
2036
2037 // The number of characters that is enough for validating a data: URI.
2038 // From the GURL's POV, the only important part here is scheme, it doesn't
2039 // check the actual content. Thus we can take only the prefix of the url, to
2040 // avoid unneeded copying of a potentially long string.
2041 const size_t kDataUriPrefixMaxLen = 64;
2042 GURL data_url(
2043 std::string(data_url_as_string->front_as<char>(),
2044 std::min(data_url_as_string->size(), kDataUriPrefixMaxLen)));
2045 if (!data_url.is_valid() || !data_url.SchemeIs(url::kDataScheme))
2046 return false;
2047
2048 return true;
2049}
2050#endif
2051
clamy987a3752018-05-03 17:36:262052bool NavigationControllerImpl::StartHistoryNavigationInNewSubframe(
2053 RenderFrameHostImpl* render_frame_host,
2054 const GURL& default_url) {
2055 NavigationEntryImpl* entry =
2056 GetEntryWithUniqueID(render_frame_host->nav_entry_id());
2057 if (!entry)
2058 return false;
2059
2060 FrameNavigationEntry* frame_entry =
2061 entry->GetFrameEntry(render_frame_host->frame_tree_node());
2062 if (!frame_entry)
2063 return false;
2064
2065 // Track how often history navigations load a different URL into a subframe
2066 // than the frame's default URL.
2067 bool restoring_different_url = frame_entry->url() != default_url;
2068 UMA_HISTOGRAM_BOOLEAN("SessionRestore.RestoredSubframeURL",
2069 restoring_different_url);
2070 // If this frame's unique name uses a frame path, record the name length.
2071 // If these names are long in practice, then a proposed plan to truncate
2072 // unique names might affect restore behavior, since it is complex to deal
2073 // with truncated names inside frame paths.
2074 if (restoring_different_url) {
2075 const std::string& unique_name =
2076 render_frame_host->frame_tree_node()->unique_name();
2077 const char kFramePathPrefix[] = "<!--framePath ";
2078 if (base::StartsWith(unique_name, kFramePathPrefix,
2079 base::CompareCase::SENSITIVE)) {
Steven Holte95922222018-09-14 20:06:232080 UMA_HISTOGRAM_COUNTS_1M("SessionRestore.RestoreSubframeFramePathLength",
2081 unique_name.size());
clamy987a3752018-05-03 17:36:262082 }
2083 }
2084
Camille Lamy5193caa2018-10-12 11:59:422085 std::unique_ptr<NavigationRequest> request = CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572086 render_frame_host->frame_tree_node(), entry, frame_entry,
clamyea99ea12018-05-28 13:54:232087 ReloadType::NONE, false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422088 true /* is_history_navigation_in_new_child */);
clamyea99ea12018-05-28 13:54:232089
2090 if (!request)
2091 return false;
2092
2093 render_frame_host->frame_tree_node()->navigator()->Navigate(
2094 std::move(request), ReloadType::NONE, RestoreType::NONE);
2095
2096 return true;
clamy987a3752018-05-03 17:36:262097}
2098
2099void NavigationControllerImpl::NavigateFromFrameProxy(
2100 RenderFrameHostImpl* render_frame_host,
2101 const GURL& url,
Nasko Oskov93e7c55c2018-12-19 01:59:292102 const url::Origin& initiator_origin,
clamy987a3752018-05-03 17:36:262103 bool is_renderer_initiated,
2104 SiteInstance* source_site_instance,
2105 const Referrer& referrer,
2106 ui::PageTransition page_transition,
2107 bool should_replace_current_entry,
Charlie Harrison8c113a32019-01-07 16:08:292108 NavigationDownloadPolicy download_policy,
clamy987a3752018-05-03 17:36:262109 const std::string& method,
2110 scoped_refptr<network::ResourceRequestBody> post_body,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092111 const std::string& extra_headers,
2112 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
clamy987a3752018-05-03 17:36:262113 FrameTreeNode* node = render_frame_host->frame_tree_node();
Nasko Oskov18006bc2018-12-06 02:53:582114
clamy987a3752018-05-03 17:36:262115 // Create a NavigationEntry for the transfer, without making it the pending
2116 // entry. Subframe transfers should have a clone of the last committed entry
2117 // with a FrameNavigationEntry for the target frame. Main frame transfers
2118 // should have a new NavigationEntry.
2119 // TODO(creis): Make this unnecessary by creating (and validating) the params
2120 // directly, passing them to the destination RenderFrameHost. See
2121 // https://crbug.com/536906.
2122 std::unique_ptr<NavigationEntryImpl> entry;
2123 if (!node->IsMainFrame()) {
2124 // Subframe case: create FrameNavigationEntry.
2125 if (GetLastCommittedEntry()) {
2126 entry = GetLastCommittedEntry()->Clone();
2127 entry->set_extra_headers(extra_headers);
2128 // TODO(arthursonzogni): What about |is_renderer_initiated|?
2129 // Renderer-initiated navigation that target a remote frame are currently
2130 // classified as browser-initiated when this one has already navigated.
2131 // See https://crbug.com/722251.
2132 } else {
2133 // If there's no last committed entry, create an entry for about:blank
2134 // with a subframe entry for our destination.
2135 // TODO(creis): Ensure this case can't exist in https://crbug.com/524208.
2136 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2137 GURL(url::kAboutBlankURL), referrer, page_transition,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092138 is_renderer_initiated, extra_headers, browser_context_,
2139 nullptr /* blob_url_loader_factory */));
clamy987a3752018-05-03 17:36:262140 }
2141 entry->AddOrUpdateFrameEntry(
2142 node, -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582143 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Nasko Oskov03912102019-01-11 00:21:322144 base::nullopt /* commit_origin */, referrer, std::vector<GURL>(),
2145 PageState(), method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262146 } else {
2147 // Main frame case.
2148 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2149 url, referrer, page_transition, is_renderer_initiated, extra_headers,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092150 browser_context_, blob_url_loader_factory));
clamy987a3752018-05-03 17:36:262151 entry->root_node()->frame_entry->set_source_site_instance(
2152 static_cast<SiteInstanceImpl*>(source_site_instance));
2153 entry->root_node()->frame_entry->set_method(method);
2154 }
clamy987a3752018-05-03 17:36:262155
2156 // Don't allow an entry replacement if there is no entry to replace.
2157 // http://crbug.com/457149
2158 if (should_replace_current_entry && GetEntryCount() > 0)
2159 entry->set_should_replace_entry(true);
Camille Lamy5193caa2018-10-12 11:59:422160
2161 bool override_user_agent = false;
clamy987a3752018-05-03 17:36:262162 if (GetLastCommittedEntry() &&
2163 GetLastCommittedEntry()->GetIsOverridingUserAgent()) {
2164 entry->SetIsOverridingUserAgent(true);
Camille Lamy5193caa2018-10-12 11:59:422165 override_user_agent = true;
clamy987a3752018-05-03 17:36:262166 }
2167 // TODO(creis): Set user gesture and intent received timestamp on Android.
2168
2169 // We may not have successfully added the FrameNavigationEntry to |entry|
2170 // above (per https://crbug.com/608402), in which case we create it from
2171 // scratch. This works because we do not depend on |frame_entry| being inside
2172 // |entry| during NavigateToEntry. This will go away when we shortcut this
2173 // further in https://crbug.com/536906.
2174 scoped_refptr<FrameNavigationEntry> frame_entry(entry->GetFrameEntry(node));
2175 if (!frame_entry) {
2176 frame_entry = new FrameNavigationEntry(
2177 node->unique_name(), -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582178 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Nasko Oskov03912102019-01-11 00:21:322179 nullptr /* origin */, referrer, std::vector<GURL>(), PageState(),
2180 method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262181 }
2182
Camille Lamy5193caa2018-10-12 11:59:422183 LoadURLParams params(url);
Nasko Oskov93e7c55c2018-12-19 01:59:292184 params.initiator_origin = initiator_origin;
Camille Lamy5193caa2018-10-12 11:59:422185 params.source_site_instance = source_site_instance;
2186 params.load_type = method == "POST" ? LOAD_TYPE_HTTP_POST : LOAD_TYPE_DEFAULT;
2187 params.transition_type = page_transition;
2188 params.frame_tree_node_id =
2189 render_frame_host->frame_tree_node()->frame_tree_node_id();
2190 params.referrer = referrer;
2191 /* params.redirect_chain: skip */
2192 params.extra_headers = extra_headers;
2193 params.is_renderer_initiated = is_renderer_initiated;
2194 params.override_user_agent = UA_OVERRIDE_INHERIT;
2195 /* params.base_url_for_data_url: skip */
2196 /* params.virtual_url_for_data_url: skip */
2197 /* params.data_url_as_string: skip */
2198 params.post_data = post_body;
2199 params.can_load_local_resources = false;
2200 params.should_replace_current_entry = false;
2201 /* params.frame_name: skip */
2202 // TODO(clamy): See if user gesture should be propagated to this function.
2203 params.has_user_gesture = false;
2204 params.should_clear_history_list = false;
2205 params.started_from_context_menu = false;
2206 /* params.navigation_ui_data: skip */
2207 /* params.input_start: skip */
2208 params.was_activated = WasActivatedOption::kUnknown;
Robert Ogden011a8082019-01-23 19:04:542209 /* params.reload_type: skip */
Camille Lamy5193caa2018-10-12 11:59:422210
2211 std::unique_ptr<NavigationRequest> request =
2212 CreateNavigationRequestFromLoadParams(
2213 render_frame_host->frame_tree_node(), params, override_user_agent,
2214 should_replace_current_entry, false /* has_user_gesture */,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572215 download_policy, ReloadType::NONE, entry.get(), frame_entry.get());
clamyea99ea12018-05-28 13:54:232216
2217 if (!request)
2218 return;
2219
2220 render_frame_host->frame_tree_node()->navigator()->Navigate(
2221 std::move(request), ReloadType::NONE, RestoreType::NONE);
clamy987a3752018-05-03 17:36:262222}
2223
[email protected]d1198fd2012-08-13 22:50:192224void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:302225 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:212226 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:192227 if (!session_storage_namespace)
2228 return;
2229
2230 // We can't overwrite an existing SessionStorage without violating spec.
2231 // Attempts to do so may give a tab access to another tab's session storage
2232 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:302233 bool successful_insert = session_storage_namespace_map_.insert(
2234 make_pair(partition_id,
2235 static_cast<SessionStorageNamespaceImpl*>(
2236 session_storage_namespace)))
2237 .second;
2238 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:192239}
2240
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572241bool NavigationControllerImpl::IsUnmodifiedBlankTab() {
[email protected]aa62afd2014-04-22 19:22:462242 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:102243 !GetLastCommittedEntry() &&
2244 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:462245}
2246
[email protected]a26023822011-12-29 00:23:552247SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:302248NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
2249 std::string partition_id;
2250 if (instance) {
2251 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
2252 // this if statement so |instance| must not be NULL.
2253 partition_id =
2254 GetContentClient()->browser()->GetStoragePartitionIdForSite(
2255 browser_context_, instance->GetSiteURL());
2256 }
[email protected]d1198fd2012-08-13 22:50:192257
[email protected]fdac6ade2013-07-20 01:06:302258 // TODO(ajwong): Should this use the |partition_id| directly rather than
2259 // re-lookup via |instance|? http://crbug.com/142685
2260 StoragePartition* partition =
michaelnbacbcbd2016-02-09 00:32:032261 BrowserContext::GetStoragePartition(browser_context_, instance);
2262 DOMStorageContextWrapper* context_wrapper =
2263 static_cast<DOMStorageContextWrapper*>(partition->GetDOMStorageContext());
2264
2265 SessionStorageNamespaceMap::const_iterator it =
2266 session_storage_namespace_map_.find(partition_id);
2267 if (it != session_storage_namespace_map_.end()) {
2268 // Ensure that this namespace actually belongs to this partition.
2269 DCHECK(static_cast<SessionStorageNamespaceImpl*>(it->second.get())->
2270 IsFromContext(context_wrapper));
2271 return it->second.get();
2272 }
2273
2274 // Create one if no one has accessed session storage for this partition yet.
Daniel Murphy31bbb8b12018-02-07 21:44:102275 scoped_refptr<SessionStorageNamespaceImpl> session_storage_namespace =
2276 SessionStorageNamespaceImpl::Create(context_wrapper);
2277 SessionStorageNamespaceImpl* session_storage_namespace_ptr =
2278 session_storage_namespace.get();
2279 session_storage_namespace_map_[partition_id] =
2280 std::move(session_storage_namespace);
[email protected]fdac6ade2013-07-20 01:06:302281
Daniel Murphy31bbb8b12018-02-07 21:44:102282 return session_storage_namespace_ptr;
[email protected]fdac6ade2013-07-20 01:06:302283}
2284
2285SessionStorageNamespace*
2286NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
2287 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
Ivan Kotenkov2c0d2bb32017-11-01 15:41:282288 return GetSessionStorageNamespace(nullptr);
[email protected]fdac6ade2013-07-20 01:06:302289}
2290
2291const SessionStorageNamespaceMap&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572292NavigationControllerImpl::GetSessionStorageNamespaceMap() {
[email protected]fdac6ade2013-07-20 01:06:302293 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:552294}
[email protected]d202a7c2012-01-04 07:53:472295
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572296bool NavigationControllerImpl::NeedsReload() {
[email protected]71fde352011-12-29 03:29:562297 return needs_reload_;
2298}
[email protected]a26023822011-12-29 00:23:552299
[email protected]46bb5e9c2013-10-03 22:16:472300void NavigationControllerImpl::SetNeedsReload() {
2301 needs_reload_ = true;
Bo Liucdfa4b12018-11-06 00:21:442302 needs_reload_type_ = NeedsReloadType::kRequestedByClient;
jaekyunc8cefa82015-01-09 20:14:542303
2304 if (last_committed_entry_index_ != -1) {
2305 entries_[last_committed_entry_index_]->SetTransitionType(
2306 ui::PAGE_TRANSITION_RELOAD);
2307 }
[email protected]46bb5e9c2013-10-03 22:16:472308}
2309
[email protected]d202a7c2012-01-04 07:53:472310void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:552311 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:122312 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:312313
2314 DiscardNonCommittedEntries();
2315
2316 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:122317 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:312318 last_committed_entry_index_--;
2319}
2320
[email protected]d202a7c2012-01-04 07:53:472321void NavigationControllerImpl::DiscardNonCommittedEntries() {
pdr15f5b5b2017-06-20 00:58:002322 bool transient = transient_entry_index_ != -1;
[email protected]cbab76d2008-10-13 22:42:472323 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:292324
pdr15f5b5b2017-06-20 00:58:002325 // If there was a transient entry, invalidate everything so the new active
2326 // entry state is shown.
2327 if (transient) {
2328 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:472329 }
initial.commit09911bf2008-07-26 23:55:292330}
2331
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572332NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() {
arthursonzogni5c4c202d2017-04-25 23:41:272333 // If there is no pending_entry_, there should be no pending_entry_index_.
2334 DCHECK(pending_entry_ || pending_entry_index_ == -1);
2335
2336 // If there is a pending_entry_index_, then pending_entry_ must be the entry
2337 // at that index.
2338 DCHECK(pending_entry_index_ == -1 ||
2339 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
2340
[email protected]022af742011-12-28 18:37:252341 return pending_entry_;
2342}
2343
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572344int NavigationControllerImpl::GetPendingEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:272345 // The pending entry index must always be less than the number of entries.
2346 // If there are no entries, it must be exactly -1.
2347 DCHECK_LT(pending_entry_index_, GetEntryCount());
2348 DCHECK(GetEntryCount() != 0 || pending_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:552349 return pending_entry_index_;
2350}
2351
avi25764702015-06-23 15:43:372352void NavigationControllerImpl::InsertOrReplaceEntry(
dcheng9bfa5162016-04-09 01:00:572353 std::unique_ptr<NavigationEntryImpl> entry,
2354 bool replace) {
mastiz7eddb5f72016-06-23 09:52:452355 DCHECK(!ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
2356 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
[email protected]765b35502008-08-21 00:51:202357
avi5cad4912015-06-19 05:25:442358 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
2359 // need to keep continuity with the pending entry, so copy the pending entry's
2360 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
2361 // then the renderer navigated on its own, independent of the pending entry,
2362 // so don't copy anything.
2363 if (pending_entry_ && pending_entry_index_ == -1)
2364 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:202365
[email protected]cbab76d2008-10-13 22:42:472366 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:202367
2368 int current_size = static_cast<int>(entries_.size());
creisee17e932015-07-17 17:56:222369
2370 // When replacing, don't prune the forward history.
creis37979a62015-08-04 19:48:182371 if (replace && current_size > 0) {
Mikel Astizba9cf2fd2017-12-17 10:38:102372 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572373 entries_[last_committed_entry_index_].get(), entry.get());
dcheng36b6aec92015-12-26 06:16:362374 entries_[last_committed_entry_index_] = std::move(entry);
creisee17e932015-07-17 17:56:222375 return;
2376 }
[email protected]765b35502008-08-21 00:51:202377
creis37979a62015-08-04 19:48:182378 // We shouldn't see replace == true when there's no committed entries.
2379 DCHECK(!replace);
2380
[email protected]765b35502008-08-21 00:51:202381 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:452382 // Prune any entries which are in front of the current entry.
[email protected]47dcbdc2011-05-27 15:08:312383 // last_committed_entry_index_ must be updated here since calls to
2384 // NotifyPrunedEntries() below may re-enter and we must make sure
2385 // last_committed_entry_index_ is not left in an invalid state.
[email protected]c12bf1a12008-09-17 16:28:492386 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:312387 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:492388 num_pruned++;
[email protected]765b35502008-08-21 00:51:202389 entries_.pop_back();
2390 current_size--;
2391 }
[email protected]c12bf1a12008-09-17 16:28:492392 if (num_pruned > 0) // Only notify if we did prune something.
2393 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:202394 }
2395
[email protected]944822b2012-03-02 20:57:252396 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:202397
dcheng36b6aec92015-12-26 06:16:362398 entries_.push_back(std::move(entry));
[email protected]765b35502008-08-21 00:51:202399 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
initial.commit09911bf2008-07-26 23:55:292400}
2401
[email protected]944822b2012-03-02 20:57:252402void NavigationControllerImpl::PruneOldestEntryIfFull() {
Shivani Sharma2d5b4b6b2019-01-08 16:07:162403 if (entries_.size() < max_entry_count())
2404 return;
2405
2406 DCHECK_EQ(max_entry_count(), entries_.size());
2407 DCHECK_GT(last_committed_entry_index_, 0);
2408 RemoveEntryAtIndex(0);
2409 NotifyPrunedEntries(this, true, 1);
2410 // TODO(crbug.com/907167): Consider removing the earliest skippable entry
2411 // instead of the first entry.
[email protected]944822b2012-03-02 20:57:252412}
2413
clamy3cb9bea92018-07-10 12:42:022414void NavigationControllerImpl::NavigateToExistingPendingEntry(
2415 ReloadType reload_type) {
arthursonzogni5c4c202d2017-04-25 23:41:272416 DCHECK(pending_entry_);
clamy3cb9bea92018-07-10 12:42:022417 DCHECK(IsInitialNavigation() || pending_entry_index_ != -1);
2418 DCHECK(!IsRendererDebugURL(pending_entry_->GetURL()));
[email protected]72097fd02010-01-21 23:36:012419 needs_reload_ = false;
Arthur Sonzogni620cec62018-12-13 13:08:572420 FrameTreeNode* root = delegate_->GetFrameTree()->root();
2421 int nav_entry_id = pending_entry_->GetUniqueID();
2422
2423 // BackForwardCache:
2424 // Try to restore a document from the BackForwardCache.
2425 if (auto rfh = back_forward_cache_.RestoreDocument(nav_entry_id)) {
2426 root->render_manager()->RestoreFromBackForwardCache(std::move(rfh));
2427 CommitRestoreFromBackForwardCache();
2428 return;
2429 }
[email protected]72097fd02010-01-21 23:36:012430
[email protected]83c2e232011-10-07 21:36:462431 // If we were navigating to a slow-to-commit page, and the user performs
2432 // a session history navigation to the last committed page, RenderViewHost
2433 // will force the throbber to start, but WebKit will essentially ignore the
2434 // navigation, and won't send a message to stop the throbber. To prevent this
2435 // from happening, we drop the navigation here and stop the slow-to-commit
2436 // page from loading (which would normally happen during the navigation).
clamy3cb9bea92018-07-10 12:42:022437 if (pending_entry_index_ == last_committed_entry_index_ &&
arthursonzogni5c4c202d2017-04-25 23:41:272438 pending_entry_->restore_type() == RestoreType::NONE &&
2439 pending_entry_->GetTransitionType() & ui::PAGE_TRANSITION_FORWARD_BACK) {
[email protected]ec6c05f2013-10-23 18:41:572440 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:122441
avi668f5232017-06-22 22:52:172442 // If an interstitial page is showing, we want to close it to get back to
2443 // what was showing before.
2444 //
2445 // There are two ways to get the interstitial page given a WebContents.
2446 // Because WebContents::GetInterstitialPage() returns null between the
2447 // interstitial's Show() method being called and the interstitial becoming
2448 // visible, while InterstitialPage::GetInterstitialPage() returns the
2449 // interstitial during that time, use the latter.
2450 InterstitialPage* interstitial =
2451 InterstitialPage::GetInterstitialPage(GetWebContents());
2452 if (interstitial)
2453 interstitial->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:122454
[email protected]83c2e232011-10-07 21:36:462455 DiscardNonCommittedEntries();
2456 return;
2457 }
2458
creisce0ef3572017-01-26 17:53:082459 // Compare FrameNavigationEntries to see which frames in the tree need to be
2460 // navigated.
clamy3cb9bea92018-07-10 12:42:022461 std::vector<std::unique_ptr<NavigationRequest>> same_document_loads;
2462 std::vector<std::unique_ptr<NavigationRequest>> different_document_loads;
creis4e2ecb72015-06-20 00:46:302463 if (GetLastCommittedEntry()) {
clamy3cb9bea92018-07-10 12:42:022464 FindFramesToNavigate(root, reload_type, &same_document_loads,
2465 &different_document_loads);
creis4e2ecb72015-06-20 00:46:302466 }
2467
2468 if (same_document_loads.empty() && different_document_loads.empty()) {
2469 // If we don't have any frames to navigate at this point, either
2470 // (1) there is no previous history entry to compare against, or
2471 // (2) we were unable to match any frames by name. In the first case,
2472 // doing a different document navigation to the root item is the only valid
2473 // thing to do. In the second case, we should have been able to find a
2474 // frame to navigate based on names if this were a same document
2475 // navigation, so we can safely assume this is the different document case.
clamy3cb9bea92018-07-10 12:42:022476 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422477 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572478 root, pending_entry_, pending_entry_->GetFrameEntry(root),
clamy3cb9bea92018-07-10 12:42:022479 reload_type, false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422480 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022481 if (!navigation_request) {
2482 // This navigation cannot start (e.g. the URL is invalid), delete the
2483 // pending NavigationEntry.
2484 DiscardPendingEntry(false);
2485 return;
2486 }
2487 different_document_loads.push_back(std::move(navigation_request));
creis4e2ecb72015-06-20 00:46:302488 }
2489
clamy3cb9bea92018-07-10 12:42:022490 // If an interstitial page is showing, the previous renderer is blocked and
2491 // cannot make new requests. Unblock (and disable) it to allow this
2492 // navigation to succeed. The interstitial will stay visible until the
2493 // resulting DidNavigate.
2494 // TODO(clamy): See if this can be removed now that PlzNavigate has shipped.
2495 // See https://crbug.com/849250
2496 if (delegate_->GetInterstitialPage()) {
2497 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
2498 ->CancelForNavigation();
2499 }
2500
2501 // This call does not support re-entrancy. See http://crbug.com/347742.
2502 CHECK(!in_navigate_to_pending_entry_);
2503 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:302504
2505 // Send all the same document frame loads before the different document loads.
clamy3cb9bea92018-07-10 12:42:022506 for (auto& item : same_document_loads) {
2507 FrameTreeNode* frame = item->frame_tree_node();
2508 frame->navigator()->Navigate(std::move(item), reload_type,
2509 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302510 }
clamy3cb9bea92018-07-10 12:42:022511 for (auto& item : different_document_loads) {
2512 FrameTreeNode* frame = item->frame_tree_node();
2513 frame->navigator()->Navigate(std::move(item), reload_type,
2514 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302515 }
clamy3cb9bea92018-07-10 12:42:022516
2517 in_navigate_to_pending_entry_ = false;
creis4e2ecb72015-06-20 00:46:302518}
2519
2520void NavigationControllerImpl::FindFramesToNavigate(
2521 FrameTreeNode* frame,
clamy3cb9bea92018-07-10 12:42:022522 ReloadType reload_type,
2523 std::vector<std::unique_ptr<NavigationRequest>>* same_document_loads,
2524 std::vector<std::unique_ptr<NavigationRequest>>* different_document_loads) {
creis4e2ecb72015-06-20 00:46:302525 DCHECK(pending_entry_);
2526 DCHECK_GE(last_committed_entry_index_, 0);
2527 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
creis225a7432016-06-03 22:56:272528 // TODO(creis): Store the last committed FrameNavigationEntry to use here,
2529 // rather than assuming the NavigationEntry has up to date info on subframes.
creis4e2ecb72015-06-20 00:46:302530 FrameNavigationEntry* old_item =
2531 GetLastCommittedEntry()->GetFrameEntry(frame);
2532 if (!new_item)
2533 return;
2534
2535 // Schedule a load in this frame if the new item isn't for the same item
creis7115a702015-12-03 18:55:562536 // sequence number in the same SiteInstance. Newly restored items may not have
2537 // a SiteInstance yet, in which case it will be assigned on first commit.
creis4e2ecb72015-06-20 00:46:302538 if (!old_item ||
2539 new_item->item_sequence_number() != old_item->item_sequence_number() ||
creis7115a702015-12-03 18:55:562540 (new_item->site_instance() != nullptr &&
2541 new_item->site_instance() != old_item->site_instance())) {
creis54131692016-08-12 18:32:252542 // Same document loads happen if the previous item has the same document
2543 // sequence number. Note that we should treat them as different document if
2544 // the destination RenderFrameHost (which is necessarily the current
2545 // RenderFrameHost for same document navigations) doesn't have a last
2546 // committed page. This case can happen for Ctrl+Back or after a renderer
2547 // crash.
creis4e2ecb72015-06-20 00:46:302548 if (old_item &&
2549 new_item->document_sequence_number() ==
creis54131692016-08-12 18:32:252550 old_item->document_sequence_number() &&
Avi Drissman2eb7a482017-11-30 04:36:312551 !frame->current_frame_host()->GetLastCommittedURL().is_empty()) {
clamy3cb9bea92018-07-10 12:42:022552 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422553 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572554 frame, pending_entry_, new_item, reload_type,
clamy3cb9bea92018-07-10 12:42:022555 true /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422556 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022557 if (navigation_request) {
2558 // Only add the request if was properly created. It's possible for the
2559 // creation to fail in certain cases, e.g. when the URL is invalid.
2560 same_document_loads->push_back(std::move(navigation_request));
2561 }
avib48cb312016-05-05 21:35:002562
2563 // TODO(avi, creis): This is a bug; we should not return here. Rather, we
2564 // should continue on and navigate all child frames which have also
2565 // changed. This bug is the cause of <https://crbug.com/542299>, which is
2566 // a NC_IN_PAGE_NAVIGATION renderer kill.
2567 //
2568 // However, this bug is a bandaid over a deeper and worse problem. Doing a
2569 // pushState immediately after loading a subframe is a race, one that no
2570 // web page author expects. If we fix this bug, many large websites break.
2571 // For example, see <https://crbug.com/598043> and the spec discussion at
2572 // <https://github.com/whatwg/html/issues/1191>.
2573 //
2574 // For now, we accept this bug, and hope to resolve the race in a
2575 // different way that will one day allow us to fix this.
2576 return;
creis4e2ecb72015-06-20 00:46:302577 } else {
clamy3cb9bea92018-07-10 12:42:022578 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422579 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572580 frame, pending_entry_, new_item, reload_type,
clamy3cb9bea92018-07-10 12:42:022581 false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422582 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022583 if (navigation_request) {
2584 // Only add the request if was properly created. It's possible for the
2585 // creation to fail in certain cases, e.g. when the URL is invalid.
2586 different_document_loads->push_back(std::move(navigation_request));
2587 }
avib3b47ab2016-01-22 20:53:582588 // For a different document, the subframes will be destroyed, so there's
2589 // no need to consider them.
2590 return;
creis4e2ecb72015-06-20 00:46:302591 }
creis4e2ecb72015-06-20 00:46:302592 }
2593
2594 for (size_t i = 0; i < frame->child_count(); i++) {
clamy3cb9bea92018-07-10 12:42:022595 FindFramesToNavigate(frame->child_at(i), reload_type, same_document_loads,
creis4e2ecb72015-06-20 00:46:302596 different_document_loads);
2597 }
2598}
2599
clamy21718cc22018-06-13 13:34:242600void NavigationControllerImpl::NavigateWithoutEntry(
2601 const LoadURLParams& params) {
2602 // Find the appropriate FrameTreeNode.
2603 FrameTreeNode* node = nullptr;
2604 if (params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId ||
2605 !params.frame_name.empty()) {
2606 node = params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId
2607 ? delegate_->GetFrameTree()->FindByID(params.frame_tree_node_id)
2608 : delegate_->GetFrameTree()->FindByName(params.frame_name);
2609 }
2610
2611 // If no FrameTreeNode was specified, navigate the main frame.
2612 if (!node)
2613 node = delegate_->GetFrameTree()->root();
2614
Camille Lamy5193caa2018-10-12 11:59:422615 // Compute overrides to the LoadURLParams for |override_user_agent|,
2616 // |should_replace_current_entry| and |has_user_gesture| that will be used
2617 // both in the creation of the NavigationEntry and the NavigationRequest.
2618 // Ideally, the LoadURLParams themselves would be updated, but since they are
2619 // passed as a const reference, this is not possible.
2620 // TODO(clamy): When we only create a NavigationRequest, move this to
2621 // CreateNavigationRequestFromLoadURLParams.
2622 bool override_user_agent = ShouldOverrideUserAgent(params.override_user_agent,
2623 GetLastCommittedEntry());
2624
2625 // Don't allow an entry replacement if there is no entry to replace.
2626 // http://crbug.com/457149
2627 bool should_replace_current_entry =
2628 params.should_replace_current_entry && entries_.size();
2629
2630 // Always propagate `has_user_gesture` on Android but only when the request
2631 // was originated by the renderer on other platforms. This is merely for
2632 // backward compatibility as browser process user gestures create confusion in
2633 // many tests.
2634 bool has_user_gesture = false;
2635#if defined(OS_ANDROID)
2636 has_user_gesture = params.has_user_gesture;
2637#else
2638 if (params.is_renderer_initiated)
2639 has_user_gesture = params.has_user_gesture;
2640#endif
2641
clamy21718cc22018-06-13 13:34:242642 // Javascript URLs should not create NavigationEntries. All other navigations
2643 // do, including navigations to chrome renderer debug URLs.
2644 std::unique_ptr<NavigationEntryImpl> entry;
2645 if (!params.url.SchemeIs(url::kJavaScriptScheme)) {
Camille Lamy5193caa2018-10-12 11:59:422646 entry = CreateNavigationEntryFromLoadParams(
2647 node, params, override_user_agent, should_replace_current_entry,
2648 has_user_gesture);
clamy21718cc22018-06-13 13:34:242649 DiscardPendingEntry(false);
2650 SetPendingEntry(std::move(entry));
2651 }
2652
2653 // Renderer-debug URLs are sent to the renderer process immediately for
2654 // processing and don't need to create a NavigationRequest.
2655 // Note: this includes navigations to JavaScript URLs, which are considered
2656 // renderer-debug URLs.
2657 // Note: we intentionally leave the pending entry in place for renderer debug
2658 // URLs, unlike the cases below where we clear it if the navigation doesn't
2659 // proceed.
2660 if (IsRendererDebugURL(params.url)) {
2661 HandleRendererDebugURL(node, params.url);
2662 return;
2663 }
2664
2665 // Convert navigations to the current URL to a reload.
2666 // TODO(clamy): We should be using FrameTreeNode::IsMainFrame here instead of
2667 // relying on the frame tree node id from LoadURLParams. Unfortunately,
2668 // DevTools sometimes issues navigations to main frames that they do not
2669 // expect to see treated as reload, and it only works because they pass a
2670 // FrameTreeNode id in their LoadURLParams. Change this once they no longer do
2671 // that. See https://crbug.com/850926.
Robert Ogden011a8082019-01-23 19:04:542672 ReloadType reload_type = params.reload_type;
2673 if (reload_type == ReloadType::NONE &&
2674 ShouldTreatNavigationAsReload(
clamy21718cc22018-06-13 13:34:242675 params.url, pending_entry_->GetVirtualURL(),
2676 params.base_url_for_data_url, params.transition_type,
2677 params.frame_tree_node_id == RenderFrameHost::kNoFrameTreeNodeId,
2678 params.load_type ==
2679 NavigationController::LOAD_TYPE_HTTP_POST /* is_post */,
2680 false /* is_reload */, false /* is_navigation_to_existing_entry */,
2681 transient_entry_index_ != -1 /* has_interstitial */,
2682 GetLastCommittedEntry())) {
2683 reload_type = ReloadType::NORMAL;
2684 }
2685
2686 // navigation_ui_data should only be present for main frame navigations.
2687 DCHECK(node->IsMainFrame() || !params.navigation_ui_data);
2688
clamy21718cc22018-06-13 13:34:242689 DCHECK(pending_entry_);
Camille Lamy5193caa2018-10-12 11:59:422690 std::unique_ptr<NavigationRequest> request =
2691 CreateNavigationRequestFromLoadParams(
2692 node, params, override_user_agent, should_replace_current_entry,
Charlie Harrison8c113a32019-01-07 16:08:292693 has_user_gesture, NavigationDownloadPolicy::kAllow, reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572694 pending_entry_, pending_entry_->GetFrameEntry(node));
clamy21718cc22018-06-13 13:34:242695
2696 // If the navigation couldn't start, return immediately and discard the
2697 // pending NavigationEntry.
2698 if (!request) {
2699 DiscardPendingEntry(false);
2700 return;
2701 }
2702
Camille Lamy5193caa2018-10-12 11:59:422703#if DCHECK_IS_ON()
2704 // Safety check that NavigationRequest and NavigationEntry match.
2705 ValidateRequestMatchesEntry(request.get(), pending_entry_);
2706#endif
2707
clamy21718cc22018-06-13 13:34:242708 // If an interstitial page is showing, the previous renderer is blocked and
2709 // cannot make new requests. Unblock (and disable) it to allow this
2710 // navigation to succeed. The interstitial will stay visible until the
2711 // resulting DidNavigate.
2712 if (delegate_->GetInterstitialPage()) {
2713 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
2714 ->CancelForNavigation();
2715 }
2716
2717 // This call does not support re-entrancy. See http://crbug.com/347742.
2718 CHECK(!in_navigate_to_pending_entry_);
2719 in_navigate_to_pending_entry_ = true;
2720
2721 node->navigator()->Navigate(std::move(request), reload_type,
2722 RestoreType::NONE);
2723
2724 in_navigate_to_pending_entry_ = false;
2725}
2726
clamyea99ea12018-05-28 13:54:232727void NavigationControllerImpl::HandleRendererDebugURL(
2728 FrameTreeNode* frame_tree_node,
2729 const GURL& url) {
2730 if (!frame_tree_node->current_frame_host()->IsRenderFrameLive()) {
clamy21718cc22018-06-13 13:34:242731 // Any renderer-side debug URLs or javascript: URLs should be ignored if
2732 // the renderer process is not live, unless it is the initial navigation
2733 // of the tab.
clamyea99ea12018-05-28 13:54:232734 if (!IsInitialNavigation()) {
2735 DiscardNonCommittedEntries();
2736 return;
2737 }
2738 frame_tree_node->render_manager()->InitializeRenderFrameIfNecessary(
2739 frame_tree_node->current_frame_host());
2740 }
2741 frame_tree_node->current_frame_host()->HandleRendererDebugURL(url);
2742}
2743
clamy21718cc22018-06-13 13:34:242744std::unique_ptr<NavigationEntryImpl>
2745NavigationControllerImpl::CreateNavigationEntryFromLoadParams(
2746 FrameTreeNode* node,
Camille Lamy5193caa2018-10-12 11:59:422747 const LoadURLParams& params,
2748 bool override_user_agent,
2749 bool should_replace_current_entry,
2750 bool has_user_gesture) {
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:392751 // Browser initiated navigations might not have a blob_url_loader_factory set
2752 // in params even if the navigation is to a blob URL. If that happens, lookup
2753 // the correct url loader factory to use here.
2754 auto blob_url_loader_factory = params.blob_url_loader_factory;
2755 if (!blob_url_loader_factory && blink::BlobUtils::MojoBlobURLsEnabled() &&
2756 params.url.SchemeIsBlob()) {
2757 blob_url_loader_factory = ChromeBlobStorageContext::URLLoaderFactoryForUrl(
2758 GetBrowserContext(), params.url);
2759 }
2760
clamy21718cc22018-06-13 13:34:242761 std::unique_ptr<NavigationEntryImpl> entry;
2762
2763 // For subframes, create a pending entry with a corresponding frame entry.
2764 if (!node->IsMainFrame()) {
2765 DCHECK(GetLastCommittedEntry());
2766
2767 // Create an identical NavigationEntry with a new FrameNavigationEntry for
2768 // the target subframe.
2769 entry = GetLastCommittedEntry()->Clone();
Nasko Oskov18006bc2018-12-06 02:53:582770
clamy21718cc22018-06-13 13:34:242771 entry->AddOrUpdateFrameEntry(
2772 node, -1, -1, nullptr,
2773 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()),
Nasko Oskov03912102019-01-11 00:21:322774 params.url, base::nullopt, params.referrer, params.redirect_chain,
2775 PageState(), "GET", -1, blob_url_loader_factory);
clamy21718cc22018-06-13 13:34:242776 } else {
2777 // Otherwise, create a pending entry for the main frame.
2778
2779 // extra_headers in params are \n separated; navigation entries want \r\n.
2780 std::string extra_headers_crlf;
2781 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
2782 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2783 params.url, params.referrer, params.transition_type,
2784 params.is_renderer_initiated, extra_headers_crlf, browser_context_,
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:392785 blob_url_loader_factory));
clamy21718cc22018-06-13 13:34:242786 entry->set_source_site_instance(
2787 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
2788 entry->SetRedirectChain(params.redirect_chain);
2789 }
2790
2791 // Set the FTN ID (only used in non-site-per-process, for tests).
2792 entry->set_frame_tree_node_id(node->frame_tree_node_id());
Camille Lamy5193caa2018-10-12 11:59:422793 entry->set_should_replace_entry(should_replace_current_entry);
clamy21718cc22018-06-13 13:34:242794 entry->set_should_clear_history_list(params.should_clear_history_list);
Camille Lamy5193caa2018-10-12 11:59:422795 entry->SetIsOverridingUserAgent(override_user_agent);
2796 entry->set_has_user_gesture(has_user_gesture);
Robert Ogden011a8082019-01-23 19:04:542797 entry->set_reload_type(params.reload_type);
clamy21718cc22018-06-13 13:34:242798
clamy21718cc22018-06-13 13:34:242799 switch (params.load_type) {
2800 case LOAD_TYPE_DEFAULT:
2801 break;
2802 case LOAD_TYPE_HTTP_POST:
2803 entry->SetHasPostData(true);
2804 entry->SetPostData(params.post_data);
2805 break;
2806 case LOAD_TYPE_DATA:
2807 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
2808 entry->SetVirtualURL(params.virtual_url_for_data_url);
2809#if defined(OS_ANDROID)
2810 entry->SetDataURLAsString(params.data_url_as_string);
2811#endif
2812 entry->SetCanLoadLocalResources(params.can_load_local_resources);
2813 break;
2814 default:
2815 NOTREACHED();
2816 break;
2817 }
2818
2819 // TODO(clamy): NavigationEntry is meant for information that will be kept
2820 // after the navigation ended and therefore is not appropriate for
2821 // started_from_context_menu. Move started_from_context_menu to
2822 // NavigationUIData.
2823 entry->set_started_from_context_menu(params.started_from_context_menu);
2824
2825 return entry;
2826}
2827
clamyea99ea12018-05-28 13:54:232828std::unique_ptr<NavigationRequest>
Camille Lamy5193caa2018-10-12 11:59:422829NavigationControllerImpl::CreateNavigationRequestFromLoadParams(
2830 FrameTreeNode* node,
2831 const LoadURLParams& params,
2832 bool override_user_agent,
2833 bool should_replace_current_entry,
2834 bool has_user_gesture,
Charlie Harrison8c113a32019-01-07 16:08:292835 NavigationDownloadPolicy download_policy,
Camille Lamy5193caa2018-10-12 11:59:422836 ReloadType reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572837 NavigationEntryImpl* entry,
Camille Lamy5193caa2018-10-12 11:59:422838 FrameNavigationEntry* frame_entry) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572839 DCHECK_EQ(-1, GetIndexOfEntry(entry));
Camille Lamyb9ed3c52018-11-19 15:34:282840 DCHECK(frame_entry);
Nasko Oskov3c2f9e252019-01-10 17:45:532841 // All renderer-initiated navigations must have an initiator_origin.
2842 DCHECK(!params.is_renderer_initiated || params.initiator_origin.has_value());
Camille Lamyff7c4822018-11-07 15:42:512843
Camille Lamy5193caa2018-10-12 11:59:422844 GURL url_to_load;
2845 GURL virtual_url;
Nasko Oskov03912102019-01-11 00:21:322846 base::Optional<url::Origin> origin_to_commit =
2847 frame_entry ? frame_entry->committed_origin() : base::nullopt;
2848
Camille Lamy2baa8022018-10-19 16:43:172849 // For main frames, rewrite the URL if necessary and compute the virtual URL
2850 // that should be shown in the address bar.
2851 if (node->IsMainFrame()) {
2852 bool reverse_on_redirect = false;
2853 RewriteUrlForNavigation(params.url, browser_context_, &url_to_load,
2854 &virtual_url, &reverse_on_redirect);
Camille Lamy5193caa2018-10-12 11:59:422855
Camille Lamy2baa8022018-10-19 16:43:172856 // For DATA loads, override the virtual URL.
2857 if (params.load_type == LOAD_TYPE_DATA)
2858 virtual_url = params.virtual_url_for_data_url;
Camille Lamy5193caa2018-10-12 11:59:422859
Camille Lamy2baa8022018-10-19 16:43:172860 if (virtual_url.is_empty())
2861 virtual_url = url_to_load;
2862
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572863 CHECK(virtual_url == entry->GetVirtualURL());
Camille Lamyb9ed3c52018-11-19 15:34:282864
2865 // This is a DCHECK and not a CHECK as URL rewrite has non-deterministic
2866 // behavior in the field: it is possible for two calls to
2867 // RewriteUrlForNavigation to return different results, leading to a
2868 // different URL in the NavigationRequest and FrameEntry. This will be fixed
2869 // once we remove the pending NavigationEntry, as we'll only make one call
2870 // to RewriteUrlForNavigation.
2871 DCHECK_EQ(url_to_load, frame_entry->url());
2872
Camille Lamy2baa8022018-10-19 16:43:172873 // TODO(clamy): In order to remove the pending NavigationEntry,
2874 // |virtual_url| and |reverse_on_redirect| should be stored in the
2875 // NavigationRequest.
2876 } else {
2877 url_to_load = params.url;
2878 virtual_url = params.url;
Camille Lamyf664f7622019-01-07 19:28:242879 CHECK(!frame_entry || url_to_load == frame_entry->url());
Camille Lamy2baa8022018-10-19 16:43:172880 }
Camille Lamy5193caa2018-10-12 11:59:422881
Ehsan Karamaddd9a4142018-12-04 20:38:202882 if (auto* rfh = node->current_frame_host()) {
2883 if (rfh->is_attaching_inner_delegate()) {
2884 // Avoid starting any new navigations since this node is now preparing for
2885 // attaching an inner delegate.
2886 return nullptr;
2887 }
2888 }
Camille Lamy5193caa2018-10-12 11:59:422889
Camille Lamy5193caa2018-10-12 11:59:422890 if (!IsValidURLForNavigation(node->IsMainFrame(), virtual_url, url_to_load))
2891 return nullptr;
2892
Nasko Oskov03912102019-01-11 00:21:322893 if (!DoesURLMatchOriginForNavigation(url_to_load, origin_to_commit)) {
2894 DCHECK(false) << " url:" << url_to_load
2895 << " origin:" << origin_to_commit.value();
2896 return nullptr;
2897 }
2898
Camille Lamy5193caa2018-10-12 11:59:422899 // Determine if Previews should be used for the navigation.
2900 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
2901 if (!node->IsMainFrame()) {
2902 // For subframes, use the state of the top-level frame.
2903 previews_state = node->frame_tree()
2904 ->root()
2905 ->current_frame_host()
2906 ->last_navigation_previews_state();
2907 }
2908
Camille Lamy5193caa2018-10-12 11:59:422909 // This will be used to set the Navigation Timing API navigationStart
2910 // parameter for browser navigations in new tabs (intents, tabs opened through
2911 // "Open link in new tab"). If the navigation must wait on the current
2912 // RenderFrameHost to execute its BeforeUnload event, the navigation start
2913 // will be updated when the BeforeUnload ack is received.
2914 base::TimeTicks navigation_start = base::TimeTicks::Now();
2915
2916 FrameMsg_Navigate_Type::Value navigation_type =
2917 GetNavigationType(node->current_url(), // old_url
2918 url_to_load, // new_url
2919 reload_type, // reload_type
2920 entry, // entry
2921 *frame_entry, // frame_entry
2922 false); // is_same_document_history_load
2923
2924 // Create the NavigationParams based on |params|.
2925
2926 bool is_view_source_mode = virtual_url.SchemeIs(kViewSourceScheme);
Charlie Harrison8c113a32019-01-07 16:08:292927
2928 // Update |download_policy| if the virtual URL is view-source. Why do this
2929 // now? Possibly the URL could be rewritten to a view-source via some URL
2930 // handler.
2931 if (is_view_source_mode)
2932 download_policy = NavigationDownloadPolicy::kDisallowViewSource;
2933
Camille Lamy5193caa2018-10-12 11:59:422934 const GURL& history_url_for_data_url =
2935 params.base_url_for_data_url.is_empty() ? GURL() : virtual_url;
2936 CommonNavigationParams common_params(
Nasko Oskov93e7c55c2018-12-19 01:59:292937 url_to_load, params.initiator_origin, params.referrer,
2938 params.transition_type, navigation_type, download_policy,
2939 should_replace_current_entry, params.base_url_for_data_url,
2940 history_url_for_data_url, previews_state, navigation_start,
Camille Lamy5193caa2018-10-12 11:59:422941 params.load_type == LOAD_TYPE_HTTP_POST ? "POST" : "GET",
2942 params.post_data, base::Optional<SourceLocation>(),
2943 params.started_from_context_menu, has_user_gesture, InitiatorCSPInfo(),
Anthony Vallee-Dubois93a11672018-11-21 16:44:422944 params.href_translate, params.input_start);
Camille Lamy5193caa2018-10-12 11:59:422945
Nasko Oskovc36327d2019-01-03 23:23:042946 CommitNavigationParams commit_params(
Nasko Oskov03912102019-01-11 00:21:322947 frame_entry->committed_origin(), override_user_agent,
2948 params.redirect_chain, common_params.url, common_params.method,
2949 params.can_load_local_resources, frame_entry->page_state(),
2950 entry->GetUniqueID(), false /* is_history_navigation_in_new_child */,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572951 entry->GetSubframeUniqueNames(node), true /* intended_as_new_entry */,
Camille Lamy5193caa2018-10-12 11:59:422952 -1 /* pending_history_list_offset */,
2953 params.should_clear_history_list ? -1 : GetLastCommittedEntryIndex(),
2954 params.should_clear_history_list ? 0 : GetEntryCount(),
2955 is_view_source_mode, params.should_clear_history_list);
2956#if defined(OS_ANDROID)
2957 if (ValidateDataURLAsString(params.data_url_as_string)) {
Nasko Oskovc36327d2019-01-03 23:23:042958 commit_params.data_url_as_string = params.data_url_as_string->data();
Camille Lamy5193caa2018-10-12 11:59:422959 }
2960#endif
2961
Nasko Oskovc36327d2019-01-03 23:23:042962 commit_params.was_activated = params.was_activated;
Camille Lamy5193caa2018-10-12 11:59:422963
2964 // A form submission may happen here if the navigation is a renderer-initiated
2965 // form submission that took the OpenURL path.
2966 scoped_refptr<network::ResourceRequestBody> request_body = params.post_data;
2967
2968 // extra_headers in params are \n separated; NavigationRequests want \r\n.
2969 std::string extra_headers_crlf;
2970 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
2971 return NavigationRequest::CreateBrowserInitiated(
Nasko Oskovc36327d2019-01-03 23:23:042972 node, common_params, commit_params, !params.is_renderer_initiated,
Camille Lamy5193caa2018-10-12 11:59:422973 extra_headers_crlf, *frame_entry, entry, request_body,
2974 params.navigation_ui_data ? params.navigation_ui_data->Clone() : nullptr);
2975}
2976
2977std::unique_ptr<NavigationRequest>
2978NavigationControllerImpl::CreateNavigationRequestFromEntry(
clamyea99ea12018-05-28 13:54:232979 FrameTreeNode* frame_tree_node,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572980 NavigationEntryImpl* entry,
clamyea99ea12018-05-28 13:54:232981 FrameNavigationEntry* frame_entry,
2982 ReloadType reload_type,
2983 bool is_same_document_history_load,
Camille Lamy5193caa2018-10-12 11:59:422984 bool is_history_navigation_in_new_child) {
clamyea99ea12018-05-28 13:54:232985 GURL dest_url = frame_entry->url();
Nasko Oskov03912102019-01-11 00:21:322986 base::Optional<url::Origin> origin_to_commit =
2987 frame_entry->committed_origin();
2988
clamyea99ea12018-05-28 13:54:232989 Referrer dest_referrer = frame_entry->referrer();
Ryan Sturmc4da1992018-07-17 16:59:012990 if (reload_type == ReloadType::ORIGINAL_REQUEST_URL &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572991 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
clamyea99ea12018-05-28 13:54:232992 // We may have been redirected when navigating to the current URL.
2993 // Use the URL the user originally intended to visit as signaled by the
2994 // ReloadType, if it's valid and if a POST wasn't involved; the latter
Ryan Sturmc4da1992018-07-17 16:59:012995 // case avoids issues with sending data to the wrong page.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572996 dest_url = entry->GetOriginalRequestURL();
clamyea99ea12018-05-28 13:54:232997 dest_referrer = Referrer();
Nasko Oskov03912102019-01-11 00:21:322998 origin_to_commit.reset();
clamyea99ea12018-05-28 13:54:232999 }
3000
Ehsan Karamaddd9a4142018-12-04 20:38:203001 if (auto* rfh = frame_tree_node->current_frame_host()) {
3002 if (rfh->is_attaching_inner_delegate()) {
3003 // Avoid starting any new navigations since this node is now preparing for
3004 // attaching an inner delegate.
3005 return nullptr;
3006 }
3007 }
3008
Camille Lamy5193caa2018-10-12 11:59:423009 if (!IsValidURLForNavigation(frame_tree_node->IsMainFrame(),
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573010 entry->GetVirtualURL(), dest_url)) {
clamyea99ea12018-05-28 13:54:233011 return nullptr;
3012 }
3013
Nasko Oskov03912102019-01-11 00:21:323014 if (!DoesURLMatchOriginForNavigation(dest_url, origin_to_commit)) {
3015 DCHECK(false) << " url:" << dest_url
3016 << " origin:" << origin_to_commit.value();
3017 return nullptr;
3018 }
3019
clamyea99ea12018-05-28 13:54:233020 // Determine if Previews should be used for the navigation.
3021 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
3022 if (!frame_tree_node->IsMainFrame()) {
3023 // For subframes, use the state of the top-level frame.
3024 previews_state = frame_tree_node->frame_tree()
3025 ->root()
3026 ->current_frame_host()
3027 ->last_navigation_previews_state();
clamyea99ea12018-05-28 13:54:233028 }
3029
clamyea99ea12018-05-28 13:54:233030 // This will be used to set the Navigation Timing API navigationStart
3031 // parameter for browser navigations in new tabs (intents, tabs opened through
3032 // "Open link in new tab"). If the navigation must wait on the current
3033 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3034 // will be updated when the BeforeUnload ack is received.
3035 base::TimeTicks navigation_start = base::TimeTicks::Now();
clamyea99ea12018-05-28 13:54:233036
3037 FrameMsg_Navigate_Type::Value navigation_type = GetNavigationType(
3038 frame_tree_node->current_url(), // old_url
3039 dest_url, // new_url
3040 reload_type, // reload_type
3041 entry, // entry
3042 *frame_entry, // frame_entry
3043 is_same_document_history_load); // is_same_document_history_load
Camille Lamy5193caa2018-10-12 11:59:423044
3045 // A form submission may happen here if the navigation is a
3046 // back/forward/reload navigation that does a form resubmission.
3047 scoped_refptr<network::ResourceRequestBody> request_body;
3048 std::string post_content_type;
3049 if (frame_entry->method() == "POST") {
3050 request_body = frame_entry->GetPostData(&post_content_type);
3051 // Might have a LF at end.
3052 post_content_type =
3053 base::TrimWhitespaceASCII(post_content_type, base::TRIM_ALL)
3054 .as_string();
3055 }
3056
3057 // Create the NavigationParams based on |entry| and |frame_entry|.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573058 CommonNavigationParams common_params = entry->ConstructCommonNavigationParams(
Camille Lamy5193caa2018-10-12 11:59:423059 *frame_entry, request_body, dest_url, dest_referrer, navigation_type,
3060 previews_state, navigation_start, base::TimeTicks() /* input_start */);
3061
3062 // TODO(clamy): |intended_as_new_entry| below should always be false once
3063 // Reload no longer leads to this being called for a pending NavigationEntry
3064 // of index -1.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573065 CommitNavigationParams commit_params = entry->ConstructCommitNavigationParams(
Nasko Oskov03912102019-01-11 00:21:323066 *frame_entry, common_params.url, origin_to_commit, common_params.method,
Nasko Oskovc36327d2019-01-03 23:23:043067 is_history_navigation_in_new_child,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573068 entry->GetSubframeUniqueNames(frame_tree_node),
Nasko Oskovc36327d2019-01-03 23:23:043069 GetPendingEntryIndex() == -1 /* intended_as_new_entry */,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573070 GetIndexOfEntry(entry), GetLastCommittedEntryIndex(), GetEntryCount());
Nasko Oskovc36327d2019-01-03 23:23:043071 commit_params.post_content_type = post_content_type;
Camille Lamy5193caa2018-10-12 11:59:423072
clamyea99ea12018-05-28 13:54:233073 return NavigationRequest::CreateBrowserInitiated(
Nasko Oskovc36327d2019-01-03 23:23:043074 frame_tree_node, common_params, commit_params,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573075 !entry->is_renderer_initiated(), entry->extra_headers(), *frame_entry,
Camille Lamy5193caa2018-10-12 11:59:423076 entry, request_body, nullptr /* navigation_ui_data */);
clamyea99ea12018-05-28 13:54:233077}
3078
[email protected]d202a7c2012-01-04 07:53:473079void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:213080 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:273081 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:403082
[email protected]2db9bd72012-04-13 20:20:563083 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:403084 // location bar will have up-to-date information about the security style
3085 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:133086 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:403087
[email protected]7f924832014-08-09 05:57:223088 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:573089 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:463090
[email protected]b0f724c2013-09-05 04:21:133091 // TODO(avi): Remove. http://crbug.com/170921
3092 NotificationDetails notification_details =
3093 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:213094 NotificationService::current()->Notify(
3095 NOTIFICATION_NAV_ENTRY_COMMITTED,
3096 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:403097 notification_details);
initial.commit09911bf2008-07-26 23:55:293098}
3099
initial.commit09911bf2008-07-26 23:55:293100// static
[email protected]d202a7c2012-01-04 07:53:473101size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:233102 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
3103 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:213104 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:233105}
3106
[email protected]d202a7c2012-01-04 07:53:473107void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:223108 if (is_active && needs_reload_)
3109 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:293110}
3111
[email protected]d202a7c2012-01-04 07:53:473112void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:293113 if (!needs_reload_)
3114 return;
3115
Bo Liucdfa4b12018-11-06 00:21:443116 UMA_HISTOGRAM_ENUMERATION("Navigation.LoadIfNecessaryType",
3117 needs_reload_type_);
3118
initial.commit09911bf2008-07-26 23:55:293119 // Calling Reload() results in ignoring state, and not loading.
3120 // Explicitly use NavigateToPendingEntry so that the renderer uses the
3121 // cached state.
avicc872d7242015-08-19 21:26:343122 if (pending_entry_) {
clamy3cb9bea92018-07-10 12:42:023123 NavigateToExistingPendingEntry(ReloadType::NONE);
avicc872d7242015-08-19 21:26:343124 } else if (last_committed_entry_index_ != -1) {
arthursonzogni5c4c202d2017-04-25 23:41:273125 pending_entry_ = entries_[last_committed_entry_index_].get();
avicc872d7242015-08-19 21:26:343126 pending_entry_index_ = last_committed_entry_index_;
clamy3cb9bea92018-07-10 12:42:023127 NavigateToExistingPendingEntry(ReloadType::NONE);
avicc872d7242015-08-19 21:26:343128 } else {
3129 // If there is something to reload, the successful reload will clear the
3130 // |needs_reload_| flag. Otherwise, just do it here.
3131 needs_reload_ = false;
3132 }
initial.commit09911bf2008-07-26 23:55:293133}
3134
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573135void NavigationControllerImpl::NotifyEntryChanged(NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:213136 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:093137 det.changed_entry = entry;
avi47179332015-05-20 21:01:113138 det.index = GetIndexOfEntry(
3139 NavigationEntryImpl::FromNavigationEntry(entry));
Sam McNally5c087a32017-08-25 01:46:143140 delegate_->NotifyNavigationEntryChanged(det);
initial.commit09911bf2008-07-26 23:55:293141}
3142
[email protected]d202a7c2012-01-04 07:53:473143void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:363144 RestoreType type) {
[email protected]a26023822011-12-29 00:23:553145 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:363146 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:293147
initial.commit09911bf2008-07-26 23:55:293148 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:293149}
[email protected]765b35502008-08-21 00:51:203150
[email protected]d202a7c2012-01-04 07:53:473151void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:453152 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:483153 DiscardTransientEntry();
3154}
3155
[email protected]d202a7c2012-01-04 07:53:473156void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473157 if (transient_entry_index_ == -1)
3158 return;
[email protected]a0e69262009-06-03 19:08:483159 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:183160 if (last_committed_entry_index_ > transient_entry_index_)
3161 last_committed_entry_index_--;
arthursonzogni5c4c202d2017-04-25 23:41:273162 if (pending_entry_index_ > transient_entry_index_)
3163 pending_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:473164 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:203165}
3166
avi7c6f35e2015-05-08 17:52:383167int NavigationControllerImpl::GetEntryIndexWithUniqueID(
3168 int nav_entry_id) const {
3169 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
3170 if (entries_[i]->GetUniqueID() == nav_entry_id)
3171 return i;
3172 }
3173 return -1;
3174}
3175
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573176NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473177 if (transient_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:283178 return nullptr;
avif16f85a72015-11-13 18:25:033179 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:473180}
[email protected]e1cd5452010-08-26 18:03:253181
avi25764702015-06-23 15:43:373182void NavigationControllerImpl::SetTransientEntry(
dcheng9bfa5162016-04-09 01:00:573183 std::unique_ptr<NavigationEntry> entry) {
[email protected]0b684262013-02-20 02:18:213184 // Discard any current transient entry, we can only have one at a time.
3185 int index = 0;
3186 if (last_committed_entry_index_ != -1)
3187 index = last_committed_entry_index_ + 1;
3188 DiscardTransientEntry();
avi25764702015-06-23 15:43:373189 entries_.insert(entries_.begin() + index,
dcheng36b6aec92015-12-26 06:16:363190 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
arthursonzogni5c4c202d2017-04-25 23:41:273191 if (pending_entry_index_ >= index)
3192 pending_entry_index_++;
[email protected]0b684262013-02-20 02:18:213193 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:223194 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:213195}
3196
[email protected]d202a7c2012-01-04 07:53:473197void NavigationControllerImpl::InsertEntriesFrom(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573198 NavigationControllerImpl* source,
[email protected]e1cd5452010-08-26 18:03:253199 int max_index) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573200 DCHECK_LE(max_index, source->GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:253201 size_t insert_index = 0;
3202 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:353203 // When cloning a tab, copy all entries except interstitial pages.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573204 if (source->entries_[i]->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
creisef4a0cb2015-03-12 19:14:353205 // TODO(creis): Once we start sharing FrameNavigationEntries between
3206 // NavigationEntries, it will not be safe to share them with another tab.
3207 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:253208 entries_.insert(entries_.begin() + insert_index++,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573209 source->entries_[i]->Clone());
[email protected]e1cd5452010-08-26 18:03:253210 }
3211 }
arthursonzogni5c4c202d2017-04-25 23:41:273212 DCHECK(pending_entry_index_ == -1 ||
3213 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
[email protected]e1cd5452010-08-26 18:03:253214}
[email protected]c5b88d82012-10-06 17:03:333215
3216void NavigationControllerImpl::SetGetTimestampCallbackForTest(
3217 const base::Callback<base::Time()>& get_timestamp_callback) {
3218 get_timestamp_callback_ = get_timestamp_callback;
3219}
[email protected]8ff00d72012-10-23 19:12:213220
Arthur Sonzogni620cec62018-12-13 13:08:573221// BackForwardCache:
3222void NavigationControllerImpl::CommitRestoreFromBackForwardCache() {
3223 // TODO(arthursonzogni): Extract the missing parts from RendererDidNavigate()
3224 // and reuse them.
3225 LoadCommittedDetails details;
3226 details.previous_entry_index = GetCurrentEntryIndex();
3227 details.entry = pending_entry_;
3228 details.type = NAVIGATION_TYPE_EXISTING_PAGE;
3229 details.is_main_frame = true;
3230 details.http_status_code = net::HTTP_OK;
3231 details.did_replace_entry = false;
3232 details.is_same_document = false;
3233
3234 last_committed_entry_index_ = pending_entry_index_;
3235 DiscardPendingEntry(false);
3236
3237 // Notify content/ embedder of the history update.
3238 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
3239 delegate_->NotifyNavigationEntryCommitted(details);
3240}
3241
[email protected]8ff00d72012-10-23 19:12:213242} // namespace content