blob: b2ca35d190921bf433d86384eae0e9634fc18bca [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"
[email protected]9677a3c2012-12-22 04:18:5884#include "skia/ext/platform_canvas.h"
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:3985#include "third_party/blink/public/common/blob/blob_utils.h"
Blink Reformata30d4232018-04-07 15:31:0686#include "third_party/blink/public/common/mime_util/mime_util.h"
[email protected]cca6f392014-05-28 21:32:2687#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2988
[email protected]8ff00d72012-10-23 19:12:2189namespace content {
[email protected]e9ba4472008-09-14 15:42:4390namespace {
91
92// Invoked when entries have been pruned, or removed. For example, if the
93// current entries are [google, digg, yahoo], with the current entry google,
94// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4795void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4996 bool from_front,
97 int count) {
[email protected]8ff00d72012-10-23 19:12:2198 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4999 details.from_front = from_front;
100 details.count = count;
Sam McNally5c087a32017-08-25 01:46:14101 nav_controller->delegate()->NotifyNavigationListPruned(details);
[email protected]e9ba4472008-09-14 15:42:43102}
103
104// Ensure the given NavigationEntry has a valid state, so that WebKit does not
105// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:39106//
[email protected]e9ba4472008-09-14 15:42:43107// An empty state is treated as a new navigation by WebKit, which would mean
108// losing the navigation entries and generating a new navigation entry after
109// this one. We don't want that. To avoid this we create a valid state which
110// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:04111void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
112 if (!entry->GetPageState().IsValid())
113 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:43114}
115
116// Configure all the NavigationEntries in entries for restore. This resets
117// the transition type to reload and makes sure the content state isn't empty.
118void ConfigureEntriesForRestore(
dcheng9bfa5162016-04-09 01:00:57119 std::vector<std::unique_ptr<NavigationEntryImpl>>* entries,
toyoshim0df1d3a2016-09-09 09:52:48120 RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:43121 for (size_t i = 0; i < entries->size(); ++i) {
122 // Use a transition type of reload so that we don't incorrectly increase
123 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35124 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
toyoshim0df1d3a2016-09-09 09:52:48125 (*entries)[i]->set_restore_type(type);
[email protected]e9ba4472008-09-14 15:42:43126 // NOTE(darin): This code is only needed for backwards compat.
avif16f85a72015-11-13 18:25:03127 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43128 }
129}
130
[email protected]bf70edce2012-06-20 22:32:22131// Determines whether or not we should be carrying over a user agent override
132// between two NavigationEntries.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57133bool ShouldKeepOverride(NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22134 return last_entry && last_entry->GetIsOverridingUserAgent();
135}
136
Camille Lamy5193caa2018-10-12 11:59:42137// Determines whether to override user agent for a navigation.
138bool ShouldOverrideUserAgent(
139 NavigationController::UserAgentOverrideOption override_user_agent,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57140 NavigationEntry* last_committed_entry) {
Camille Lamy5193caa2018-10-12 11:59:42141 switch (override_user_agent) {
142 case NavigationController::UA_OVERRIDE_INHERIT:
143 return ShouldKeepOverride(last_committed_entry);
144 case NavigationController::UA_OVERRIDE_TRUE:
145 return true;
146 case NavigationController::UA_OVERRIDE_FALSE:
147 return false;
148 default:
149 break;
150 }
151 NOTREACHED();
152 return false;
153}
154
clamy0a656e42018-02-06 18:18:28155// Returns true this navigation should be treated as a reload. For e.g.
156// navigating to the last committed url via the address bar or clicking on a
157// link which results in a navigation to the last committed or pending
158// navigation, etc.
159// |url|, |virtual_url|, |base_url_for_data_url|, |transition_type| correspond
160// to the new navigation (i.e. the pending NavigationEntry).
161// |last_committed_entry| is the last navigation that committed.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57162bool ShouldTreatNavigationAsReload(const GURL& url,
163 const GURL& virtual_url,
164 const GURL& base_url_for_data_url,
165 ui::PageTransition transition_type,
166 bool is_main_frame,
167 bool is_post,
168 bool is_reload,
169 bool is_navigation_to_existing_entry,
170 bool has_interstitial,
171 NavigationEntryImpl* last_committed_entry) {
clamy0a656e42018-02-06 18:18:28172 // Don't convert when an interstitial is showing.
173 if (has_interstitial)
174 return false;
175
176 // Only convert main frame navigations to a new entry.
177 if (!is_main_frame || is_reload || is_navigation_to_existing_entry)
178 return false;
179
180 // Only convert to reload if at least one navigation committed.
181 if (!last_committed_entry)
ananta3bdd8ae2016-12-22 17:11:55182 return false;
183
arthursonzogni7a8243682017-12-14 16:41:42184 // Skip navigations initiated by external applications.
clamy0a656e42018-02-06 18:18:28185 if (transition_type & ui::PAGE_TRANSITION_FROM_API)
arthursonzogni7a8243682017-12-14 16:41:42186 return false;
187
ananta3bdd8ae2016-12-22 17:11:55188 // We treat (PAGE_TRANSITION_RELOAD | PAGE_TRANSITION_FROM_ADDRESS_BAR),
189 // PAGE_TRANSITION_TYPED or PAGE_TRANSITION_LINK transitions as navigations
190 // which should be treated as reloads.
clamy0a656e42018-02-06 18:18:28191 bool transition_type_can_be_converted = false;
192 if (ui::PageTransitionCoreTypeIs(transition_type,
193 ui::PAGE_TRANSITION_RELOAD) &&
194 (transition_type & ui::PAGE_TRANSITION_FROM_ADDRESS_BAR)) {
195 transition_type_can_be_converted = true;
ananta3bdd8ae2016-12-22 17:11:55196 }
clamy0a656e42018-02-06 18:18:28197 if (ui::PageTransitionCoreTypeIs(transition_type,
ananta3bdd8ae2016-12-22 17:11:55198 ui::PAGE_TRANSITION_TYPED)) {
clamy0a656e42018-02-06 18:18:28199 transition_type_can_be_converted = true;
200 }
201 if (ui::PageTransitionCoreTypeIs(transition_type, ui::PAGE_TRANSITION_LINK))
202 transition_type_can_be_converted = true;
203 if (!transition_type_can_be_converted)
204 return false;
205
206 // This check is required for cases like view-source:, etc. Here the URL of
207 // the navigation entry would contain the url of the page, while the virtual
208 // URL contains the full URL including the view-source prefix.
209 if (virtual_url != last_committed_entry->GetVirtualURL())
210 return false;
211
212 // Check that the URL match.
213 if (url != last_committed_entry->GetURL())
214 return false;
215
216 // This check is required for Android WebView loadDataWithBaseURL. Apps
217 // can pass in anything in the base URL and we need to ensure that these
218 // match before classifying it as a reload.
219 if (url.SchemeIs(url::kDataScheme) && base_url_for_data_url.is_valid()) {
220 if (base_url_for_data_url != last_committed_entry->GetBaseURLForDataURL())
221 return false;
ananta3bdd8ae2016-12-22 17:11:55222 }
223
clamy0a656e42018-02-06 18:18:28224 // Skip entries with SSL errors.
225 if (last_committed_entry->ssl_error())
226 return false;
227
228 // Don't convert to a reload when the last navigation was a POST or the new
229 // navigation is a POST.
230 if (last_committed_entry->GetHasPostData() || is_post)
231 return false;
232
233 return true;
ananta3bdd8ae2016-12-22 17:11:55234}
235
Nasko Oskov03912102019-01-11 00:21:32236bool DoesURLMatchOriginForNavigation(
237 const GURL& url,
238 const base::Optional<url::Origin>& origin) {
239 // If there is no origin supplied there is nothing to match. This can happen
240 // for navigations to a pending entry and therefore it should be allowed.
241 if (!origin)
242 return true;
243
244 return origin->CanBeDerivedFrom(url);
245}
246
247base::Optional<url::Origin> GetCommittedOriginForFrameEntry(
248 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
249 // Error pages commit in an opaque origin, yet have the real URL that resulted
250 // in an error as the |params.url|. Since successful reload of an error page
251 // should commit in the correct origin, setting the opaque origin on the
252 // FrameNavigationEntry will be incorrect.
253 if (params.url_is_unreachable)
254 return base::nullopt;
255
256 return base::make_optional(params.origin);
257}
258
Camille Lamy5193caa2018-10-12 11:59:42259bool IsValidURLForNavigation(bool is_main_frame,
260 const GURL& virtual_url,
261 const GURL& dest_url) {
262 // Don't attempt to navigate if the virtual URL is non-empty and invalid.
263 if (is_main_frame && !virtual_url.is_valid() && !virtual_url.is_empty()) {
264 LOG(WARNING) << "Refusing to load for invalid virtual URL: "
265 << virtual_url.possibly_invalid_spec();
266 return false;
267 }
268
269 // Don't attempt to navigate to non-empty invalid URLs.
270 if (!dest_url.is_valid() && !dest_url.is_empty()) {
271 LOG(WARNING) << "Refusing to load invalid URL: "
272 << dest_url.possibly_invalid_spec();
273 return false;
274 }
275
276 // The renderer will reject IPC messages with URLs longer than
277 // this limit, so don't attempt to navigate with a longer URL.
278 if (dest_url.spec().size() > url::kMaxURLChars) {
279 LOG(WARNING) << "Refusing to load URL as it exceeds " << url::kMaxURLChars
280 << " characters.";
281 return false;
282 }
283
284 return true;
285}
286
Mikel Astizba9cf2fd2017-12-17 10:38:10287// See replaced_navigation_entry_data.h for details: this information is meant
288// to ensure |*output_entry| keeps track of its original URL (landing page in
289// case of server redirects) as it gets replaced (e.g. history.replaceState()),
290// without overwriting it later, for main frames.
291void CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57292 NavigationEntryImpl* replaced_entry,
Mikel Astizba9cf2fd2017-12-17 10:38:10293 NavigationEntryImpl* output_entry) {
294 if (output_entry->GetReplacedEntryData().has_value())
295 return;
296
297 ReplacedNavigationEntryData data;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57298 data.first_committed_url = replaced_entry->GetURL();
299 data.first_timestamp = replaced_entry->GetTimestamp();
300 data.first_transition_type = replaced_entry->GetTransitionType();
Charlie Reisb55438f2019-01-08 01:54:29301 output_entry->set_replaced_entry_data(data);
Mikel Astizba9cf2fd2017-12-17 10:38:10302}
303
clamyea99ea12018-05-28 13:54:23304FrameMsg_Navigate_Type::Value GetNavigationType(
305 const GURL& old_url,
306 const GURL& new_url,
307 ReloadType reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57308 NavigationEntryImpl* entry,
clamyea99ea12018-05-28 13:54:23309 const FrameNavigationEntry& frame_entry,
310 bool is_same_document_history_load) {
311 // Reload navigations
312 switch (reload_type) {
313 case ReloadType::NORMAL:
314 return FrameMsg_Navigate_Type::RELOAD;
315 case ReloadType::BYPASSING_CACHE:
clamyea99ea12018-05-28 13:54:23316 return FrameMsg_Navigate_Type::RELOAD_BYPASSING_CACHE;
317 case ReloadType::ORIGINAL_REQUEST_URL:
318 return FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
319 case ReloadType::NONE:
320 break; // Fall through to rest of function.
321 }
322
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57323 if (entry->restore_type() == RestoreType::LAST_SESSION_EXITED_CLEANLY) {
324 if (entry->GetHasPostData())
clamyea99ea12018-05-28 13:54:23325 return FrameMsg_Navigate_Type::RESTORE_WITH_POST;
326 else
327 return FrameMsg_Navigate_Type::RESTORE;
328 }
329
330 // History navigations.
331 if (frame_entry.page_state().IsValid()) {
332 if (is_same_document_history_load)
333 return FrameMsg_Navigate_Type::HISTORY_SAME_DOCUMENT;
334 else
335 return FrameMsg_Navigate_Type::HISTORY_DIFFERENT_DOCUMENT;
336 }
337 DCHECK(!is_same_document_history_load);
338
339 // A same-document fragment-navigation happens when the only part of the url
340 // that is modified is after the '#' character.
341 //
342 // When modifying this condition, please take a look at:
343 // FrameLoader::shouldPerformFragmentNavigation.
344 //
345 // Note: this check is only valid for navigations that are not history
346 // navigations. For instance, if the history is: 'A#bar' -> 'B' -> 'A#foo', a
347 // history navigation from 'A#foo' to 'A#bar' is not a same-document
348 // navigation, but a different-document one. This is why history navigation
349 // are classified before this check.
350 if (new_url.has_ref() && old_url.EqualsIgnoringRef(new_url) &&
351 frame_entry.method() == "GET") {
352 return FrameMsg_Navigate_Type::SAME_DOCUMENT;
353 } else {
354 return FrameMsg_Navigate_Type::DIFFERENT_DOCUMENT;
355 }
356}
357
Camille Lamy5193caa2018-10-12 11:59:42358// Adjusts the original input URL if needed, to get the URL to actually load and
359// the virtual URL, which may differ.
360void RewriteUrlForNavigation(const GURL& original_url,
361 BrowserContext* browser_context,
362 GURL* url_to_load,
363 GURL* virtual_url,
364 bool* reverse_on_redirect) {
365 // Fix up the given URL before letting it be rewritten, so that any minor
366 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
367 *virtual_url = original_url;
368 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(virtual_url,
369 browser_context);
370
371 // Allow the browser URL handler to rewrite the URL. This will, for example,
372 // remove "view-source:" from the beginning of the URL to get the URL that
373 // will actually be loaded. This real URL won't be shown to the user, just
374 // used internally.
375 *url_to_load = *virtual_url;
376 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
377 url_to_load, browser_context, reverse_on_redirect);
378}
379
380#if DCHECK_IS_ON()
381// Helper sanity check function used in debug mode.
382void ValidateRequestMatchesEntry(NavigationRequest* request,
383 NavigationEntryImpl* entry) {
384 if (request->frame_tree_node()->IsMainFrame()) {
385 DCHECK_EQ(request->browser_initiated(), !entry->is_renderer_initiated());
386 DCHECK(ui::PageTransitionTypeIncludingQualifiersIs(
387 request->common_params().transition, entry->GetTransitionType()));
388 }
389 DCHECK_EQ(request->common_params().should_replace_current_entry,
390 entry->should_replace_entry());
Nasko Oskovc36327d2019-01-03 23:23:04391 DCHECK_EQ(request->commit_params().should_clear_history_list,
Camille Lamy5193caa2018-10-12 11:59:42392 entry->should_clear_history_list());
393 DCHECK_EQ(request->common_params().has_user_gesture,
394 entry->has_user_gesture());
395 DCHECK_EQ(request->common_params().base_url_for_data_url,
396 entry->GetBaseURLForDataURL());
Nasko Oskovc36327d2019-01-03 23:23:04397 DCHECK_EQ(request->commit_params().can_load_local_resources,
Camille Lamy5193caa2018-10-12 11:59:42398 entry->GetCanLoadLocalResources());
399 DCHECK_EQ(request->common_params().started_from_context_menu,
400 entry->has_started_from_context_menu());
401
402 FrameNavigationEntry* frame_entry =
403 entry->GetFrameEntry(request->frame_tree_node());
404 if (!frame_entry) {
405 NOTREACHED();
406 return;
407 }
408
409 DCHECK_EQ(request->common_params().url, frame_entry->url());
410 DCHECK_EQ(request->common_params().method, frame_entry->method());
411
Nasko Oskovc36327d2019-01-03 23:23:04412 size_t redirect_size = request->commit_params().redirects.size();
Camille Lamy5193caa2018-10-12 11:59:42413 if (redirect_size == frame_entry->redirect_chain().size()) {
414 for (size_t i = 0; i < redirect_size; ++i) {
Nasko Oskovc36327d2019-01-03 23:23:04415 DCHECK_EQ(request->commit_params().redirects[i],
Camille Lamy5193caa2018-10-12 11:59:42416 frame_entry->redirect_chain()[i]);
417 }
418 } else {
419 NOTREACHED();
420 }
421}
422#endif // DCHECK_IS_ON()
423
[email protected]e9ba4472008-09-14 15:42:43424} // namespace
425
[email protected]d202a7c2012-01-04 07:53:47426// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29427
[email protected]23a918b2014-07-15 09:51:36428const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23429
[email protected]765b35502008-08-21 00:51:20430// static
[email protected]d202a7c2012-01-04 07:53:47431size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23432 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20433
[email protected]e6fec472013-05-14 05:29:02434// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20435// when testing.
436static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29437
[email protected]71fde352011-12-29 03:29:56438// static
dcheng9bfa5162016-04-09 01:00:57439std::unique_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
440 const GURL& url,
441 const Referrer& referrer,
442 ui::PageTransition transition,
443 bool is_renderer_initiated,
444 const std::string& extra_headers,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:09445 BrowserContext* browser_context,
446 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
Camille Lamy5193caa2018-10-12 11:59:42447 GURL url_to_load;
448 GURL virtual_url;
[email protected]71fde352011-12-29 03:29:56449 bool reverse_on_redirect = false;
Camille Lamy5193caa2018-10-12 11:59:42450 RewriteUrlForNavigation(url, browser_context, &url_to_load, &virtual_url,
451 &reverse_on_redirect);
[email protected]71fde352011-12-29 03:29:56452
453 NavigationEntryImpl* entry = new NavigationEntryImpl(
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28454 nullptr, // The site instance for tabs is sent on navigation
455 // (WebContents::GetSiteInstance).
Camille Lamy5193caa2018-10-12 11:59:42456 url_to_load, referrer, base::string16(), transition,
457 is_renderer_initiated, blob_url_loader_factory);
458 entry->SetVirtualURL(virtual_url);
459 entry->set_user_typed_url(virtual_url);
[email protected]71fde352011-12-29 03:29:56460 entry->set_update_virtual_url_with_url(reverse_on_redirect);
461 entry->set_extra_headers(extra_headers);
dcheng9bfa5162016-04-09 01:00:57462 return base::WrapUnique(entry);
[email protected]71fde352011-12-29 03:29:56463}
464
[email protected]cdcb1dee2012-01-04 00:46:20465// static
466void NavigationController::DisablePromptOnRepost() {
467 g_check_for_repost = false;
468}
469
[email protected]c5b88d82012-10-06 17:03:33470base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
471 base::Time t) {
472 // If |t| is between the water marks, we're in a run of duplicates
473 // or just getting out of it, so increase the high-water mark to get
474 // a time that probably hasn't been used before and return it.
475 if (low_water_mark_ <= t && t <= high_water_mark_) {
476 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
477 return high_water_mark_;
478 }
479
480 // Otherwise, we're clear of the last duplicate run, so reset the
481 // water marks.
482 low_water_mark_ = high_water_mark_ = t;
483 return t;
484}
485
[email protected]d202a7c2012-01-04 07:53:47486NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57487 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19488 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37489 : browser_context_(browser_context),
ananta3bdd8ae2016-12-22 17:11:55490 pending_entry_(nullptr),
avi45a72532015-04-07 21:01:45491 failed_pending_entry_id_(0),
[email protected]765b35502008-08-21 00:51:20492 last_committed_entry_index_(-1),
493 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47494 transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57495 delegate_(delegate),
[email protected]69e797f2013-04-30 01:10:22496 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57497 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09498 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28499 in_navigate_to_pending_entry_(false),
toyoshim0df1d3a2016-09-09 09:52:48500 pending_reload_(ReloadType::NONE),
[email protected]8cea7892013-02-06 06:49:31501 get_timestamp_callback_(base::Bind(&base::Time::Now)),
toyoshima63c2a62016-09-29 09:03:26502 last_committed_reload_type_(ReloadType::NONE) {
[email protected]3d7474ff2011-07-27 17:47:37503 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29504}
505
[email protected]d202a7c2012-01-04 07:53:47506NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47507 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29508}
509
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57510WebContents* NavigationControllerImpl::GetWebContents() {
[email protected]ec6c05f2013-10-23 18:41:57511 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32512}
513
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57514BrowserContext* NavigationControllerImpl::GetBrowserContext() {
[email protected]a26023822011-12-29 00:23:55515 return browser_context_;
516}
517
[email protected]d202a7c2012-01-04 07:53:47518void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30519 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36520 RestoreType type,
dcheng9bfa5162016-04-09 01:00:57521 std::vector<std::unique_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57522 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55523 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57524 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14525 selected_navigation < static_cast<int>(entries->size()));
arthursonzogni5c4c202d2017-04-25 23:41:27526 DCHECK_EQ(-1, pending_entry_index_);
[email protected]ce3fa3c2009-04-20 19:55:57527
[email protected]ce3fa3c2009-04-20 19:55:57528 needs_reload_ = true;
Bo Liucdfa4b12018-11-06 00:21:44529 needs_reload_type_ = NeedsReloadType::kRestoreSession;
avif16f85a72015-11-13 18:25:03530 entries_.reserve(entries->size());
531 for (auto& entry : *entries)
dcheng36b6aec92015-12-26 06:16:36532 entries_.push_back(
533 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
avif16f85a72015-11-13 18:25:03534
535 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
536 // cleared out safely.
537 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57538
539 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36540 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57541}
542
toyoshim6142d96f2016-12-19 09:07:25543void NavigationControllerImpl::Reload(ReloadType reload_type,
544 bool check_for_repost) {
liaoyuke9168fba2017-03-10 19:20:28545 DCHECK_NE(ReloadType::NONE, reload_type);
546
[email protected]669e0ba2012-08-30 23:57:36547 if (transient_entry_index_ != -1) {
548 // If an interstitial is showing, treat a reload as a navigation to the
549 // transient entry's URL.
creis3da03872015-02-20 21:12:32550 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27551 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36552 return;
[email protected]6286a3792013-10-09 04:03:27553 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21554 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35555 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27556 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47557 return;
[email protected]669e0ba2012-08-30 23:57:36558 }
[email protected]cbab76d2008-10-13 22:42:47559
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28560 NavigationEntryImpl* entry = nullptr;
[email protected]59167c22013-06-03 18:07:32561 int current_index = -1;
562
563 // If we are reloading the initial navigation, just use the current
564 // pending entry. Otherwise look up the current entry.
565 if (IsInitialNavigation() && pending_entry_) {
566 entry = pending_entry_;
567 // The pending entry might be in entries_ (e.g., after a Clone), so we
568 // should also update the current_index.
569 current_index = pending_entry_index_;
570 } else {
571 DiscardNonCommittedEntriesInternal();
572 current_index = GetCurrentEntryIndex();
573 if (current_index != -1) {
creis3da03872015-02-20 21:12:32574 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32575 }
[email protected]979a4bc2013-04-24 01:27:15576 }
[email protected]241db352013-04-22 18:04:05577
[email protected]59167c22013-06-03 18:07:32578 // If we are no where, then we can't reload. TODO(darin): We should add a
579 // CanReload method.
580 if (!entry)
581 return;
582
toyoshima63c2a62016-09-29 09:03:26583 // Check if previous navigation was a reload to track consecutive reload
584 // operations.
585 if (last_committed_reload_type_ != ReloadType::NONE) {
586 DCHECK(!last_committed_reload_time_.is_null());
587 base::Time now =
588 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
589 DCHECK_GT(now, last_committed_reload_time_);
590 if (!last_committed_reload_time_.is_null() &&
591 now > last_committed_reload_time_) {
592 base::TimeDelta delta = now - last_committed_reload_time_;
593 UMA_HISTOGRAM_MEDIUM_TIMES("Navigation.Reload.ReloadToReloadDuration",
594 delta);
toyoshimb0d4eed32016-12-09 06:03:04595 if (last_committed_reload_type_ == ReloadType::NORMAL) {
toyoshima63c2a62016-09-29 09:03:26596 UMA_HISTOGRAM_MEDIUM_TIMES(
597 "Navigation.Reload.ReloadMainResourceToReloadDuration", delta);
598 }
599 }
600 }
601
602 // Set ReloadType for |entry| in order to check it at commit time.
603 entry->set_reload_type(reload_type);
604
[email protected]cdcb1dee2012-01-04 00:46:20605 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32606 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30607 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07608 // they really want to do this. If they do, the dialog will call us back
609 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57610 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02611
[email protected]106a0812010-03-18 00:15:12612 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57613 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29614 } else {
[email protected]59167c22013-06-03 18:07:32615 if (!IsInitialNavigation())
616 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26617
Nasko Oskovaee2f862018-06-15 00:05:52618 pending_entry_ = entry;
619 pending_entry_index_ = current_index;
620 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22621
clamy3cb9bea92018-07-10 12:42:02622 NavigateToExistingPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29623 }
624}
625
[email protected]d202a7c2012-01-04 07:53:47626void NavigationControllerImpl::CancelPendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48627 DCHECK(pending_reload_ != ReloadType::NONE);
628 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12629}
630
[email protected]d202a7c2012-01-04 07:53:47631void NavigationControllerImpl::ContinuePendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48632 if (pending_reload_ == ReloadType::NONE) {
[email protected]106a0812010-03-18 00:15:12633 NOTREACHED();
634 } else {
toyoshim6142d96f2016-12-19 09:07:25635 Reload(pending_reload_, false);
toyoshim0df1d3a2016-09-09 09:52:48636 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12637 }
638}
639
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57640bool NavigationControllerImpl::IsInitialNavigation() {
[email protected]27ba81c2012-08-21 17:04:09641 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11642}
643
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57644bool NavigationControllerImpl::IsInitialBlankNavigation() {
creis10a4ab72015-10-13 17:22:40645 // TODO(creis): Once we create a NavigationEntry for the initial blank page,
toyoshim0df1d3a2016-09-09 09:52:48646 // we'll need to check for entry count 1 and restore_type NONE (to exclude
647 // the cloned tab case).
creis10a4ab72015-10-13 17:22:40648 return IsInitialNavigation() && GetEntryCount() == 0;
649}
650
avi254eff02015-07-01 08:27:58651NavigationEntryImpl*
652NavigationControllerImpl::GetEntryWithUniqueID(int nav_entry_id) const {
653 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03654 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58655}
656
avi25764702015-06-23 15:43:37657void NavigationControllerImpl::SetPendingEntry(
dcheng9bfa5162016-04-09 01:00:57658 std::unique_ptr<NavigationEntryImpl> entry) {
[email protected]cbab76d2008-10-13 22:42:47659 DiscardNonCommittedEntriesInternal();
avi25764702015-06-23 15:43:37660 pending_entry_ = entry.release();
arthursonzogni5c4c202d2017-04-25 23:41:27661 DCHECK_EQ(-1, pending_entry_index_);
[email protected]8ff00d72012-10-23 19:12:21662 NotificationService::current()->Notify(
663 NOTIFICATION_NAV_ENTRY_PENDING,
664 Source<NavigationController>(this),
avi25764702015-06-23 15:43:37665 Details<NavigationEntry>(pending_entry_));
[email protected]765b35502008-08-21 00:51:20666}
667
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57668NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() {
[email protected]cbab76d2008-10-13 22:42:47669 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03670 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:47671 if (pending_entry_)
672 return pending_entry_;
673 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20674}
675
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57676NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() {
[email protected]867e1f92011-08-30 19:01:19677 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03678 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32679 // The pending entry is safe to return for new (non-history), browser-
680 // initiated navigations. Most renderer-initiated navigations should not
681 // show the pending entry, to prevent URL spoof attacks.
682 //
683 // We make an exception for renderer-initiated navigations in new tabs, as
684 // long as no other page has tried to access the initial empty document in
685 // the new tab. If another page modifies this blank page, a URL spoof is
686 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32687 bool safe_to_show_pending =
688 pending_entry_ &&
689 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09690 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32691 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46692 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32693
694 // Also allow showing the pending entry for history navigations in a new tab,
695 // such as Ctrl+Back. In this case, no existing page is visible and no one
696 // can script the new tab before it commits.
697 if (!safe_to_show_pending &&
698 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09699 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32700 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34701 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32702 safe_to_show_pending = true;
703
704 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19705 return pending_entry_;
706 return GetLastCommittedEntry();
707}
708
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57709int NavigationControllerImpl::GetCurrentEntryIndex() {
[email protected]cbab76d2008-10-13 22:42:47710 if (transient_entry_index_ != -1)
711 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20712 if (pending_entry_index_ != -1)
713 return pending_entry_index_;
714 return last_committed_entry_index_;
715}
716
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57717NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() {
[email protected]765b35502008-08-21 00:51:20718 if (last_committed_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28719 return nullptr;
avif16f85a72015-11-13 18:25:03720 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20721}
722
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57723bool NavigationControllerImpl::CanViewSource() {
[email protected]ec6c05f2013-10-23 18:41:57724 const std::string& mime_type = delegate_->GetContentsMimeType();
Kinuko Yasuda74702f92017-07-31 03:27:53725 bool is_viewable_mime_type = blink::IsSupportedNonImageMimeType(mime_type) &&
726 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27727 NavigationEntry* visible_entry = GetVisibleEntry();
728 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57729 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16730}
731
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57732int NavigationControllerImpl::GetLastCommittedEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:27733 // The last committed entry index must always be less than the number of
734 // entries. If there are no entries, it must be -1. However, there may be a
735 // transient entry while the last committed entry index is still -1.
736 DCHECK_LT(last_committed_entry_index_, GetEntryCount());
737 DCHECK(GetEntryCount() || last_committed_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:55738 return last_committed_entry_index_;
739}
740
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57741int NavigationControllerImpl::GetEntryCount() {
arthursonzogni5c4c202d2017-04-25 23:41:27742 DCHECK_LE(entries_.size(), max_entry_count());
[email protected]a26023822011-12-29 00:23:55743 return static_cast<int>(entries_.size());
744}
745
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57746NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(int index) {
avi25764702015-06-23 15:43:37747 if (index < 0 || index >= GetEntryCount())
748 return nullptr;
749
avif16f85a72015-11-13 18:25:03750 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25751}
752
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57753NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(int offset) {
avi057ce1492015-06-29 15:59:47754 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20755}
756
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57757int NavigationControllerImpl::GetIndexForOffset(int offset) {
[email protected]7bc2b032012-12-19 22:45:46758 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03759}
760
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57761bool NavigationControllerImpl::CanGoBack() {
avi56e40c92015-08-27 00:11:22762 return CanGoToOffset(-1);
[email protected]765b35502008-08-21 00:51:20763}
764
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57765bool NavigationControllerImpl::CanGoForward() {
avi56e40c92015-08-27 00:11:22766 return CanGoToOffset(1);
[email protected]765b35502008-08-21 00:51:20767}
768
Lucas Furukawa Gadani5553a1582019-01-08 18:55:57769bool NavigationControllerImpl::CanGoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03770 int index = GetIndexForOffset(offset);
771 return index >= 0 && index < GetEntryCount();
772}
773
[email protected]d202a7c2012-01-04 07:53:47774void NavigationControllerImpl::GoBack() {
shivanisha55201872018-12-13 04:29:06775 int target_index = GetIndexForOffset(-1);
776
777 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16778 // back button and move the target index past the skippable entries, if
779 // history intervention is enabled.
780 // TODO(crbug.com/907167): Implement the case when all entries are
781 // skippable.
shivanisha55201872018-12-13 04:29:06782 int count_entries_skipped = 0;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16783 bool history_intervention_enabled = base::FeatureList::IsEnabled(
784 features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06785 for (int index = target_index; index >= 0; index--) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16786 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06787 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16788 } else {
789 if (history_intervention_enabled)
790 target_index = index;
shivanisha55201872018-12-13 04:29:06791 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16792 }
shivanisha55201872018-12-13 04:29:06793 }
794 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.BackTargetSkipped",
795 count_entries_skipped, kMaxSessionHistoryEntries);
796
shivanisha55201872018-12-13 04:29:06797 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20798}
799
[email protected]d202a7c2012-01-04 07:53:47800void NavigationControllerImpl::GoForward() {
shivanisha55201872018-12-13 04:29:06801 int target_index = GetIndexForOffset(1);
802
803 // Log metrics for the number of entries that are eligible for skipping on
Shivani Sharma2d5b4b6b2019-01-08 16:07:16804 // forward button and move the target index past the skippable entries, if
805 // history intervention is enabled.
806 // Note that at least one entry (the last one) will be non-skippable since
807 // entries are marked skippable only when they add another entry because of
808 // redirect or pushState.
shivanisha55201872018-12-13 04:29:06809 int count_entries_skipped = 0;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16810 bool history_intervention_enabled = base::FeatureList::IsEnabled(
811 features::kHistoryManipulationIntervention);
shivanisha55201872018-12-13 04:29:06812 for (size_t index = target_index; index < entries_.size(); index++) {
Shivani Sharma2d5b4b6b2019-01-08 16:07:16813 if (GetEntryAtIndex(index)->should_skip_on_back_forward_ui()) {
shivanisha55201872018-12-13 04:29:06814 count_entries_skipped++;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16815 } else {
816 if (history_intervention_enabled)
817 target_index = index;
shivanisha55201872018-12-13 04:29:06818 break;
Shivani Sharma2d5b4b6b2019-01-08 16:07:16819 }
shivanisha55201872018-12-13 04:29:06820 }
821 UMA_HISTOGRAM_ENUMERATION("Navigation.BackForward.ForwardTargetSkipped",
822 count_entries_skipped, kMaxSessionHistoryEntries);
823
shivanisha55201872018-12-13 04:29:06824 GoToIndex(target_index);
[email protected]765b35502008-08-21 00:51:20825}
826
[email protected]d202a7c2012-01-04 07:53:47827void NavigationControllerImpl::GoToIndex(int index) {
sunjian30574a62017-03-21 21:39:44828 TRACE_EVENT0("browser,navigation,benchmark",
829 "NavigationControllerImpl::GoToIndex");
[email protected]765b35502008-08-21 00:51:20830 if (index < 0 || index >= static_cast<int>(entries_.size())) {
831 NOTREACHED();
832 return;
833 }
834
[email protected]cbab76d2008-10-13 22:42:47835 if (transient_entry_index_ != -1) {
836 if (index == transient_entry_index_) {
837 // Nothing to do when navigating to the transient.
838 return;
839 }
840 if (index > transient_entry_index_) {
841 // Removing the transient is goint to shift all entries by 1.
842 index--;
843 }
844 }
845
846 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20847
arthursonzogni5c4c202d2017-04-25 23:41:27848 DCHECK_EQ(nullptr, pending_entry_);
849 DCHECK_EQ(-1, pending_entry_index_);
850 pending_entry_ = entries_[index].get();
[email protected]765b35502008-08-21 00:51:20851 pending_entry_index_ = index;
arthursonzogni5c4c202d2017-04-25 23:41:27852 pending_entry_->SetTransitionType(ui::PageTransitionFromInt(
853 pending_entry_->GetTransitionType() | ui::PAGE_TRANSITION_FORWARD_BACK));
clamy3cb9bea92018-07-10 12:42:02854 NavigateToExistingPendingEntry(ReloadType::NONE);
[email protected]765b35502008-08-21 00:51:20855}
856
[email protected]d202a7c2012-01-04 07:53:47857void NavigationControllerImpl::GoToOffset(int offset) {
toyoshim3af4d502016-03-30 12:38:12858 // Note: This is actually reached in unit tests.
[email protected]9ba14052012-06-22 23:50:03859 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20860 return;
861
[email protected]9ba14052012-06-22 23:50:03862 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20863}
864
[email protected]41374f12013-07-24 02:49:28865bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
866 if (index == last_committed_entry_index_ ||
867 index == pending_entry_index_)
868 return false;
[email protected]6a13a6c2011-12-20 21:47:12869
[email protected]43032342011-03-21 14:10:31870 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28871 return true;
[email protected]cbab76d2008-10-13 22:42:47872}
873
[email protected]d202a7c2012-01-04 07:53:47874void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23875 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32876 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31877 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51878 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
879 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32880 }
881}
882
[email protected]d202a7c2012-01-04 07:53:47883void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47884 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21885 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35886 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47887 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47888 LoadURLParams params(url);
889 params.referrer = referrer;
890 params.transition_type = transition;
891 params.extra_headers = extra_headers;
892 LoadURLWithParams(params);
893}
894
895void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43896 TRACE_EVENT1("browser,navigation",
897 "NavigationControllerImpl::LoadURLWithParams",
898 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43899 if (HandleDebugURL(params.url, params.transition_type)) {
900 // If Telemetry is running, allow the URL load to proceed as if it's
901 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49902 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43903 cc::switches::kEnableGpuBenchmarking))
904 return;
905 }
[email protected]8bf1048012012-02-08 01:22:18906
[email protected]cf002332012-08-14 19:17:47907 // Checks based on params.load_type.
908 switch (params.load_type) {
909 case LOAD_TYPE_DEFAULT:
lukasza477a5a22016-06-16 18:28:43910 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:47911 break;
912 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26913 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47914 NOTREACHED() << "Data load must use data scheme.";
915 return;
916 }
917 break;
918 default:
919 NOTREACHED();
920 break;
Lukasz Anforowiczbb0cfd5e2017-12-14 22:39:46921 }
[email protected]e47ae9472011-10-13 19:48:34922
[email protected]e47ae9472011-10-13 19:48:34923 // The user initiated a load, we don't need to reload anymore.
924 needs_reload_ = false;
925
clamy21718cc22018-06-13 13:34:24926 NavigateWithoutEntry(params);
[email protected]132e281a2012-07-31 18:32:44927}
928
creisb4dc9332016-03-14 21:39:19929bool NavigationControllerImpl::PendingEntryMatchesHandle(
930 NavigationHandleImpl* handle) const {
931 return pending_entry_ &&
932 pending_entry_->GetUniqueID() == handle->pending_nav_entry_id();
933}
934
[email protected]d202a7c2012-01-04 07:53:47935bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32936 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22937 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
peary21b0f797b2016-09-28 17:28:33938 LoadCommittedDetails* details,
Eugene But712f03d2018-05-22 16:03:44939 bool is_same_document_navigation,
shivanisha41f04c52018-12-12 15:52:05940 bool previous_page_was_activated,
Camille Lamy10aafcd32018-12-05 15:48:13941 NavigationRequest* navigation_request) {
942 DCHECK(navigation_request);
[email protected]cd2e15742013-03-08 04:08:31943 is_initial_navigation_ = false;
944
[email protected]0e8db942008-09-24 21:21:48945 // Save the previous state before we clobber it.
aelias100c9192017-01-13 00:01:43946 bool overriding_user_agent_changed = false;
[email protected]0e8db942008-09-24 21:21:48947 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51948 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55949 details->previous_entry_index = GetLastCommittedEntryIndex();
aelias100c9192017-01-13 00:01:43950 if (pending_entry_ &&
951 pending_entry_->GetIsOverridingUserAgent() !=
952 GetLastCommittedEntry()->GetIsOverridingUserAgent())
953 overriding_user_agent_changed = true;
[email protected]0e8db942008-09-24 21:21:48954 } else {
955 details->previous_url = GURL();
956 details->previous_entry_index = -1;
957 }
[email protected]ecd9d8702008-08-28 22:10:17958
fdegans9caf66a2015-07-30 21:10:42959 // If there is a pending entry at this point, it should have a SiteInstance,
960 // except for restored entries.
jam48cea9082017-02-15 06:13:29961 bool was_restored = false;
toyoshim0df1d3a2016-09-09 09:52:48962 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance() ||
963 pending_entry_->restore_type() != RestoreType::NONE);
964 if (pending_entry_ && pending_entry_->restore_type() != RestoreType::NONE) {
965 pending_entry_->set_restore_type(RestoreType::NONE);
jam48cea9082017-02-15 06:13:29966 was_restored = true;
toyoshim0df1d3a2016-09-09 09:52:48967 }
[email protected]e9ba4472008-09-14 15:42:43968
Nasko Oskovaee2f862018-06-15 00:05:52969 // If this is a navigation to a matching pending_entry_ and the SiteInstance
970 // has changed, this must be treated as a new navigation with replacement.
971 // Set the replacement bit here and ClassifyNavigation will identify this
972 // case and return NEW_PAGE.
973 if (!rfh->GetParent() && pending_entry_ &&
974 pending_entry_->GetUniqueID() == params.nav_entry_id &&
975 pending_entry_->site_instance() &&
976 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
977 DCHECK_NE(-1, pending_entry_index_);
978 // TODO(nasko,creis): Instead of setting this value here, set
979 // should_replace_current_entry on the parameters we send to the
980 // renderer process as part of CommitNavigation. The renderer should
981 // in turn send it back here as part of |params| and it can be just
982 // enforced and renderer process terminated on mismatch.
983 details->did_replace_entry = true;
984 } else {
985 // The renderer tells us whether the navigation replaces the current entry.
986 details->did_replace_entry = params.should_replace_current_entry;
987 }
[email protected]bcd904482012-02-01 01:54:22988
[email protected]e9ba4472008-09-14 15:42:43989 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:43990 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:20991
eugenebutee08663a2017-04-27 17:43:12992 // is_same_document must be computed before the entry gets committed.
Eugene But712f03d2018-05-22 16:03:44993 details->is_same_document = is_same_document_navigation;
[email protected]b9d4dfdc2013-08-08 00:25:12994
toyoshima63c2a62016-09-29 09:03:26995 // Save reload type and timestamp for a reload navigation to detect
996 // consecutive reloads when the next reload is requested.
Camille Lamy10aafcd32018-12-05 15:48:13997 NavigationHandleImpl* navigation_handle =
998 navigation_request->navigation_handle();
999 DCHECK(navigation_handle);
clamy3bf35e3c2016-11-10 15:59:441000 if (PendingEntryMatchesHandle(navigation_handle)) {
toyoshima63c2a62016-09-29 09:03:261001 if (pending_entry_->reload_type() != ReloadType::NONE) {
1002 last_committed_reload_type_ = pending_entry_->reload_type();
1003 last_committed_reload_time_ =
1004 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
1005 } else if (!pending_entry_->is_renderer_initiated() ||
1006 params.gesture == NavigationGestureUser) {
1007 last_committed_reload_type_ = ReloadType::NONE;
1008 last_committed_reload_time_ = base::Time();
1009 }
1010 }
1011
[email protected]0e8db942008-09-24 21:21:481012 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:211013 case NAVIGATION_TYPE_NEW_PAGE:
shivanisha41f04c52018-12-12 15:52:051014 RendererDidNavigateToNewPage(
1015 rfh, params, details->is_same_document, details->did_replace_entry,
1016 previous_page_was_activated, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:431017 break;
[email protected]8ff00d72012-10-23 19:12:211018 case NAVIGATION_TYPE_EXISTING_PAGE:
eugenebutee08663a2017-04-27 17:43:121019 RendererDidNavigateToExistingPage(rfh, params, details->is_same_document,
jam48cea9082017-02-15 06:13:291020 was_restored, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:431021 break;
[email protected]8ff00d72012-10-23 19:12:211022 case NAVIGATION_TYPE_SAME_PAGE:
Joe DeBlasio531e3d92018-11-06 06:26:121023 RendererDidNavigateToSamePage(rfh, params, details->is_same_document,
1024 navigation_handle);
[email protected]e9ba4472008-09-14 15:42:431025 break;
[email protected]8ff00d72012-10-23 19:12:211026 case NAVIGATION_TYPE_NEW_SUBFRAME:
eugenebutee08663a2017-04-27 17:43:121027 RendererDidNavigateNewSubframe(rfh, params, details->is_same_document,
creisf49dfc92016-07-26 17:05:181028 details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:431029 break;
[email protected]8ff00d72012-10-23 19:12:211030 case NAVIGATION_TYPE_AUTO_SUBFRAME:
creis59d5a47cb2016-08-24 23:57:191031 if (!RendererDidNavigateAutoSubframe(rfh, params)) {
creisce0ef3572017-01-26 17:53:081032 // We don't send a notification about auto-subframe PageState during
1033 // UpdateStateForFrame, since it looks like nothing has changed. Send
1034 // it here at commit time instead.
1035 NotifyEntryChanged(GetLastCommittedEntry());
[email protected]e9ba4472008-09-14 15:42:431036 return false;
creis59d5a47cb2016-08-24 23:57:191037 }
[email protected]e9ba4472008-09-14 15:42:431038 break;
[email protected]8ff00d72012-10-23 19:12:211039 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:491040 // If a pending navigation was in progress, this canceled it. We should
1041 // discard it and make sure it is removed from the URL bar. After that,
1042 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:431043 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:491044 if (pending_entry_) {
1045 DiscardNonCommittedEntries();
pdr15f5b5b2017-06-20 00:58:001046 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:491047 }
[email protected]e9ba4472008-09-14 15:42:431048 return false;
1049 default:
1050 NOTREACHED();
[email protected]765b35502008-08-21 00:51:201051 }
1052
[email protected]688aa65c62012-09-28 04:32:221053 // At this point, we know that the navigation has just completed, so
1054 // record the time.
1055 //
1056 // TODO(akalin): Use "sane time" as described in
Adam Langley4463fb832018-01-28 22:42:261057 // https://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:331058 base::Time timestamp =
1059 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
1060 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:221061 << timestamp.ToInternalValue();
1062
[email protected]f233e4232013-02-23 00:55:141063 // We should not have a pending entry anymore. Clear it again in case any
1064 // error cases above forgot to do so.
1065 DiscardNonCommittedEntriesInternal();
1066
[email protected]e9ba4472008-09-14 15:42:431067 // All committed entries should have nonempty content state so WebKit doesn't
1068 // get confused when we go back to them (see the function for details).
creis0cade2e2017-02-28 06:37:471069 DCHECK(params.page_state.IsValid()) << "Shouldn't see an empty PageState.";
creis3da03872015-02-20 21:12:321070 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:221071 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:441072 active_entry->SetHttpStatusCode(params.http_status_code);
naskoc7533512016-05-06 17:01:121073
Charles Reisc0507202017-09-21 00:40:021074 // Grab the corresponding FrameNavigationEntry for a few updates, but only if
1075 // the SiteInstance matches (to avoid updating the wrong entry by mistake).
1076 // A mismatch can occur if the renderer lies or due to a unique name collision
1077 // after a race with an OOPIF (see https://crbug.com/616820).
naskoc7533512016-05-06 17:01:121078 FrameNavigationEntry* frame_entry =
1079 active_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisc0507202017-09-21 00:40:021080 if (frame_entry && frame_entry->site_instance() != rfh->GetSiteInstance())
1081 frame_entry = nullptr;
Charles Reisf44482022017-10-13 21:15:031082 // Make sure we've updated the PageState in one of the helper methods.
creisce0ef3572017-01-26 17:53:081083 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
1084 if (frame_entry) {
Charles Reisf44482022017-10-13 21:15:031085 DCHECK(params.page_state == frame_entry->page_state());
creis4e2ecb72015-06-20 00:46:301086 }
[email protected]132e281a2012-07-31 18:32:441087
[email protected]d6def3d2014-05-19 18:55:321088 // Use histogram to track memory impact of redirect chain because it's now
1089 // not cleared for committed entries.
1090 size_t redirect_chain_size = 0;
1091 for (size_t i = 0; i < params.redirects.size(); ++i) {
1092 redirect_chain_size += params.redirects[i].spec().length();
1093 }
Steven Holte95922222018-09-14 20:06:231094 UMA_HISTOGRAM_COUNTS_1M("Navigation.RedirectChainSize", redirect_chain_size);
[email protected]d6def3d2014-05-19 18:55:321095
[email protected]97d8f0d2013-10-29 16:49:211096 // Once it is committed, we no longer need to track several pieces of state on
1097 // the entry.
naskoc7533512016-05-06 17:01:121098 active_entry->ResetForCommit(frame_entry);
[email protected]60d6cca2013-04-30 08:47:131099
shivanisha41f04c52018-12-12 15:52:051100 // It is possible that we are re-using this entry and it was marked to be
1101 // skipped on back/forward UI in its previous navigation. Reset it here so
1102 // that it is set afresh, if applicable, for this navigation.
1103 active_entry->set_should_skip_on_back_forward_ui(false);
1104
[email protected]49bd30e62011-03-22 20:12:591105 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:221106 // TODO(creis): This check won't pass for subframes until we create entries
1107 // for subframe navigations.
avi39c1edd32015-06-04 20:06:001108 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:421109 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:591110
[email protected]b26de072013-02-23 02:33:441111 // Remember the bindings the renderer process has at this point, so that
1112 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:321113 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:441114
[email protected]e9ba4472008-09-14 15:42:431115 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:001116 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:001117 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:311118 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:531119
[email protected]93f230e02011-06-01 14:40:001120 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:291121
John Abd-El-Malek380d3c5922017-09-08 00:20:311122 if (active_entry->GetURL().SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1123 navigation_handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek969cdd94e2017-07-10 22:18:161124 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus",
1125 !!active_entry->GetSSL().certificate);
1126 }
1127
aelias100c9192017-01-13 00:01:431128 if (overriding_user_agent_changed)
1129 delegate_->UpdateOverridingUserAgent();
1130
creis03b48002015-11-04 00:54:561131 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
1132 // one knows the latest NavigationEntry it is showing (whether it has
1133 // committed anything in this navigation or not). This allows things like
1134 // state and title updates from RenderFrames to apply to the latest relevant
1135 // NavigationEntry.
dcheng57e39e22016-01-21 00:25:381136 int nav_entry_id = active_entry->GetUniqueID();
1137 for (FrameTreeNode* node : delegate_->GetFrameTree()->Nodes())
1138 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
[email protected]e9ba4472008-09-14 15:42:431139 return true;
initial.commit09911bf2008-07-26 23:55:291140}
1141
[email protected]8ff00d72012-10-23 19:12:211142NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:321143 RenderFrameHostImpl* rfh,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571144 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi7c6f35e2015-05-08 17:52:381145 if (params.did_create_new_entry) {
1146 // A new entry. We may or may not have a pending entry for the page, and
1147 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:001148 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381149 return NAVIGATION_TYPE_NEW_PAGE;
1150 }
1151
1152 // When this is a new subframe navigation, we should have a committed page
1153 // in which it's a subframe. This may not be the case when an iframe is
1154 // navigated on a popup navigated to about:blank (the iframe would be
1155 // written into the popup by script on the main page). For these cases,
1156 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:231157 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:381158 return NAVIGATION_TYPE_NAV_IGNORE;
1159
1160 // Valid subframe navigation.
1161 return NAVIGATION_TYPE_NEW_SUBFRAME;
1162 }
1163
1164 // We only clear the session history when navigating to a new page.
1165 DCHECK(!params.history_list_was_cleared);
1166
avi39c1edd32015-06-04 20:06:001167 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381168 // All manual subframes would be did_create_new_entry and handled above, so
1169 // we know this is auto.
1170 if (GetLastCommittedEntry()) {
1171 return NAVIGATION_TYPE_AUTO_SUBFRAME;
1172 } else {
1173 // We ignore subframes created in non-committed pages; we'd appreciate if
1174 // people stopped doing that.
1175 return NAVIGATION_TYPE_NAV_IGNORE;
1176 }
1177 }
1178
1179 if (params.nav_entry_id == 0) {
1180 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1181 // create a new page.
1182
1183 // Just like above in the did_create_new_entry case, it's possible to
1184 // scribble onto an uncommitted page. Again, there isn't any navigation
1185 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231186 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231187 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381188 return NAVIGATION_TYPE_NAV_IGNORE;
1189
Charles Reis1378111f2017-11-08 21:44:061190 // This is history.replaceState() or history.reload().
Nasko Oskov332593c2018-08-16 17:21:341191 // TODO(nasko): With error page isolation, reloading an existing session
1192 // history entry can result in change of SiteInstance. Check for such a case
1193 // here and classify it as NEW_PAGE, as such navigations should be treated
1194 // as new with replacement.
avi259dc792015-07-07 04:42:361195 return NAVIGATION_TYPE_EXISTING_PAGE;
avi7c6f35e2015-05-08 17:52:381196 }
1197
Nasko Oskovaee2f862018-06-15 00:05:521198 if (pending_entry_ && pending_entry_->GetUniqueID() == params.nav_entry_id) {
1199 // If the SiteInstance of the |pending_entry_| does not match the
1200 // SiteInstance that got committed, treat this as a new navigation with
1201 // replacement. This can happen if back/forward/reload encounters a server
1202 // redirect to a different site or an isolated error page gets successfully
1203 // reloaded into a different SiteInstance.
1204 if (pending_entry_->site_instance() &&
1205 pending_entry_->site_instance() != rfh->GetSiteInstance()) {
creis77c9aa32015-09-25 19:59:421206 return NAVIGATION_TYPE_NEW_PAGE;
Nasko Oskovaee2f862018-06-15 00:05:521207 }
creis77c9aa32015-09-25 19:59:421208
Nasko Oskovaee2f862018-06-15 00:05:521209 if (pending_entry_index_ == -1) {
1210 // In this case, we have a pending entry for a load of a new URL but Blink
1211 // didn't do a new navigation (params.did_create_new_entry). First check
1212 // to make sure Blink didn't treat a new cross-process navigation as
1213 // inert, and thus set params.did_create_new_entry to false. In that case,
1214 // we must treat it as NEW since the SiteInstance doesn't match the entry.
1215 if (!GetLastCommittedEntry() ||
1216 GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance()) {
1217 return NAVIGATION_TYPE_NEW_PAGE;
1218 }
1219
1220 // Otherwise, this happens when you press enter in the URL bar to reload.
1221 // We will create a pending entry, but Blink will convert it to a reload
1222 // since it's the same page and not create a new entry for it (the user
1223 // doesn't want to have a new back/forward entry when they do this).
1224 // Therefore we want to just ignore the pending entry and go back to where
1225 // we were (the "existing entry").
1226 // TODO(creis,avi): Eliminate SAME_PAGE in https://crbug.com/536102.
1227 return NAVIGATION_TYPE_SAME_PAGE;
1228 }
avi7c6f35e2015-05-08 17:52:381229 }
1230
creis26d22632017-04-21 20:23:561231 // Everything below here is assumed to be an existing entry, but if there is
1232 // no last committed entry, we must consider it a new navigation instead.
1233 if (!GetLastCommittedEntry())
1234 return NAVIGATION_TYPE_NEW_PAGE;
1235
avi7c6f35e2015-05-08 17:52:381236 if (params.intended_as_new_entry) {
1237 // This was intended to be a navigation to a new entry but the pending entry
1238 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1239 // may not have a pending entry.
1240 return NAVIGATION_TYPE_EXISTING_PAGE;
1241 }
1242
1243 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1244 params.nav_entry_id == failed_pending_entry_id_) {
1245 // If the renderer was going to a new pending entry that got cleared because
1246 // of an error, this is the case of the user trying to retry a failed load
1247 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1248 // have a pending entry.
1249 return NAVIGATION_TYPE_EXISTING_PAGE;
1250 }
1251
1252 // Now we know that the notification is for an existing page. Find that entry.
1253 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1254 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441255 // The renderer has committed a navigation to an entry that no longer
1256 // exists. Because the renderer is showing that page, resurrect that entry.
1257 return NAVIGATION_TYPE_NEW_PAGE;
avi7c6f35e2015-05-08 17:52:381258 }
1259
avi7c6f35e2015-05-08 17:52:381260 // Since we weeded out "new" navigations above, we know this is an existing
1261 // (back/forward) navigation.
1262 return NAVIGATION_TYPE_EXISTING_PAGE;
1263}
1264
[email protected]d202a7c2012-01-04 07:53:471265void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321266 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221267 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361268 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441269 bool replace_entry,
shivanisha41f04c52018-12-12 15:52:051270 bool previous_page_was_activated,
clamy3bf35e3c2016-11-10 15:59:441271 NavigationHandleImpl* handle) {
dcheng9bfa5162016-04-09 01:00:571272 std::unique_ptr<NavigationEntryImpl> new_entry;
creisf49dfc92016-07-26 17:05:181273 bool update_virtual_url = false;
1274
1275 // First check if this is an in-page navigation. If so, clone the current
1276 // entry instead of looking at the pending entry, because the pending entry
1277 // does not have any subframe history items.
eugenebut604866f2017-05-10 21:35:361278 if (is_same_document && GetLastCommittedEntry()) {
creisf49dfc92016-07-26 17:05:181279 FrameNavigationEntry* frame_entry = new FrameNavigationEntry(
Charles Reisd2a509f2017-09-27 23:47:481280 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisf49dfc92016-07-26 17:05:181281 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321282 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
1283 params.referrer, params.redirects, params.page_state, params.method,
1284 params.post_id, nullptr /* blob_url_loader_factory */);
Charles Reisf44482022017-10-13 21:15:031285
creisf49dfc92016-07-26 17:05:181286 new_entry = GetLastCommittedEntry()->CloneAndReplace(
1287 frame_entry, true, rfh->frame_tree_node(),
1288 delegate_->GetFrameTree()->root());
jama78746e2017-02-22 17:21:571289 if (new_entry->GetURL().GetOrigin() != params.url.GetOrigin()) {
1290 // TODO(jam): we had one report of this with a URL that was redirecting to
1291 // only tildes. Until we understand that better, don't copy the cert in
1292 // this case.
1293 new_entry->GetSSL() = SSLStatus();
John Abd-El-Malek9cd697e2017-07-12 21:53:141294
John Abd-El-Malek380d3c5922017-09-08 00:20:311295 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1296 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141297 UMA_HISTOGRAM_BOOLEAN(
1298 "Navigation.SecureSchemeHasSSLStatus.NewPageInPageOriginMismatch",
1299 !!new_entry->GetSSL().certificate);
1300 }
jama78746e2017-02-22 17:21:571301 }
creisf49dfc92016-07-26 17:05:181302
1303 // We expect |frame_entry| to be owned by |new_entry|. This should never
1304 // fail, because it's the main frame.
1305 CHECK(frame_entry->HasOneRef());
1306
1307 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malek9cd697e2017-07-12 21:53:141308
John Abd-El-Malek380d3c5922017-09-08 00:20:311309 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1310 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141311 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.NewPageInPage",
1312 !!new_entry->GetSSL().certificate);
1313 }
creisf49dfc92016-07-26 17:05:181314 }
1315
[email protected]6dd86ab2013-02-27 00:30:341316 // Only make a copy of the pending entry if it is appropriate for the new page
csharrison9a9142bc42016-03-01 17:24:041317 // that was just loaded. Verify this by checking if the entry corresponds
clamy3bf35e3c2016-11-10 15:59:441318 // to the given navigation handle. Additionally, coarsely check that:
csharrison9a9142bc42016-03-01 17:24:041319 // 1. The SiteInstance hasn't been assigned to something else.
1320 // 2. The pending entry was intended as a new entry, rather than being a
1321 // history navigation that was interrupted by an unrelated,
1322 // renderer-initiated navigation.
1323 // TODO(csharrison): Investigate whether we can remove some of the coarser
1324 // checks.
creisf49dfc92016-07-26 17:05:181325 if (!new_entry &&
1326 PendingEntryMatchesHandle(handle) && pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341327 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431328 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351329 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431330
[email protected]f1eb87a2011-05-06 17:49:411331 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malekf36e05f2017-11-30 16:17:521332 new_entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141333
John Abd-El-Malek380d3c5922017-09-08 00:20:311334 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1335 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141336 UMA_HISTOGRAM_BOOLEAN(
1337 "Navigation.SecureSchemeHasSSLStatus.NewPagePendingEntryMatches",
1338 !!new_entry->GetSSL().certificate);
1339 }
creisf49dfc92016-07-26 17:05:181340 }
1341
1342 // For non-in-page commits with no matching pending entry, create a new entry.
1343 if (!new_entry) {
dcheng9bfa5162016-04-09 01:00:571344 new_entry = base::WrapUnique(new NavigationEntryImpl);
[email protected]f8f93eb2012-09-25 03:06:241345
1346 // Find out whether the new entry needs to update its virtual URL on URL
1347 // change and set up the entry accordingly. This is needed to correctly
1348 // update the virtual URL when replaceState is called after a pushState.
1349 GURL url = params.url;
1350 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431351 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1352 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241353 new_entry->set_update_virtual_url_with_url(needs_update);
1354
[email protected]f1eb87a2011-05-06 17:49:411355 // When navigating to a new page, give the browser URL handler a chance to
1356 // update the virtual URL based on the new URL. For example, this is needed
1357 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1358 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241359 update_virtual_url = needs_update;
John Abd-El-Malekf36e05f2017-11-30 16:17:521360 new_entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141361
John Abd-El-Malek380d3c5922017-09-08 00:20:311362 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1363 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141364 UMA_HISTOGRAM_BOOLEAN(
1365 "Navigation.SecureSchemeHasSSLStatus.NewPageNoMatchingEntry",
1366 !!new_entry->GetSSL().certificate);
1367 }
[email protected]e9ba4472008-09-14 15:42:431368 }
1369
wjmaclean7431bb22015-02-19 14:53:431370 // Don't use the page type from the pending entry. Some interstitial page
1371 // may have set the type to interstitial. Once we commit, however, the page
1372 // type must always be normal or error.
1373 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1374 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041375 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411376 if (update_virtual_url)
avi25764702015-06-23 15:43:371377 UpdateVirtualURLToURL(new_entry.get(), params.url);
[email protected]022af742011-12-28 18:37:251378 new_entry->SetReferrer(params.referrer);
[email protected]022af742011-12-28 18:37:251379 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331380 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431381 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]7c16976c2012-08-04 02:38:231382 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221383 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431384
creis8b5cd4c2015-06-19 00:11:081385 // Update the FrameNavigationEntry for new main frame commits.
1386 FrameNavigationEntry* frame_entry =
1387 new_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisd2a509f2017-09-27 23:47:481388 frame_entry->set_frame_unique_name(rfh->frame_tree_node()->unique_name());
creis8b5cd4c2015-06-19 00:11:081389 frame_entry->set_item_sequence_number(params.item_sequence_number);
1390 frame_entry->set_document_sequence_number(params.document_sequence_number);
Charles Reisf44482022017-10-13 21:15:031391 frame_entry->set_redirect_chain(params.redirects);
1392 frame_entry->SetPageState(params.page_state);
clamy432acb22016-04-15 19:41:431393 frame_entry->set_method(params.method);
1394 frame_entry->set_post_id(params.post_id);
Nasko Oskov03912102019-01-11 00:21:321395 if (!params.url_is_unreachable)
1396 frame_entry->set_committed_origin(params.origin);
creis8b5cd4c2015-06-19 00:11:081397
eugenebut604866f2017-05-10 21:35:361398 // history.pushState() is classified as a navigation to a new page, but sets
1399 // is_same_document to true. In this case, we already have the title and
creisf49dfc92016-07-26 17:05:181400 // favicon available, so set them immediately.
eugenebut604866f2017-05-10 21:35:361401 if (is_same_document && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331402 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191403 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1404 }
[email protected]ff64b3e2014-05-31 04:07:331405
[email protected]60d6cca2013-04-30 08:47:131406 DCHECK(!params.history_list_was_cleared || !replace_entry);
1407 // The browser requested to clear the session history when it initiated the
1408 // navigation. Now we know that the renderer has updated its state accordingly
1409 // and it is safe to also clear the browser side history.
1410 if (params.history_list_was_cleared) {
1411 DiscardNonCommittedEntriesInternal();
1412 entries_.clear();
1413 last_committed_entry_index_ = -1;
1414 }
1415
Nasko Oskovaee2f862018-06-15 00:05:521416 // If this is a new navigation with replacement and there is a
1417 // pending_entry_ which matches the navigation reported by the renderer
1418 // process, then it should be the one replaced, so update the
1419 // last_committed_entry_index_ to use it.
1420 if (replace_entry && pending_entry_index_ != -1 &&
1421 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1422 last_committed_entry_index_ = pending_entry_index_;
1423 }
1424
shivanisha41f04c52018-12-12 15:52:051425 // The previous page that started this navigation needs to be skipped in
1426 // subsequent back/forward UI navigations if it never received any user
1427 // gesture. This is to intervene against pages that manipulate the history
1428 // such that the user is not able to go back to the last site they interacted
1429 // with (crbug.com/907167).
1430 if (!replace_entry && !previous_page_was_activated &&
1431 last_committed_entry_index_ != -1 && handle->IsRendererInitiated()) {
1432 GetLastCommittedEntry()->set_should_skip_on_back_forward_ui(true);
shivanisha55201872018-12-13 04:29:061433 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.SetShouldSkipOnBackForwardUI",
1434 true);
1435 } else if (last_committed_entry_index_ != -1) {
1436 UMA_HISTOGRAM_BOOLEAN("Navigation.BackForward.SetShouldSkipOnBackForwardUI",
1437 false);
shivanisha41f04c52018-12-12 15:52:051438 }
1439
dcheng36b6aec92015-12-26 06:16:361440 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431441}
1442
[email protected]d202a7c2012-01-04 07:53:471443void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321444 RenderFrameHostImpl* rfh,
jam0576b132016-09-07 05:13:101445 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361446 bool is_same_document,
jam48cea9082017-02-15 06:13:291447 bool was_restored,
clamy3bf35e3c2016-11-10 15:59:441448 NavigationHandleImpl* handle) {
creis26d22632017-04-21 20:23:561449 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1450 << "that a last committed entry exists.";
1451
[email protected]e9ba4472008-09-14 15:42:431452 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001453 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431454
avicbdc4c12015-07-01 16:07:111455 NavigationEntryImpl* entry;
1456 if (params.intended_as_new_entry) {
1457 // This was intended as a new entry but the pending entry was lost in the
1458 // meanwhile and no new page was created. We are stuck at the last committed
1459 // entry.
1460 entry = GetLastCommittedEntry();
eugenebut604866f2017-05-10 21:35:361461 // If this is a same document navigation, then there's no SSLStatus in the
jam1325c822017-03-17 18:20:541462 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361463 if (!is_same_document)
John Abd-El-Malekf36e05f2017-11-30 16:17:521464 entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141465
John Abd-El-Malek380d3c5922017-09-08 00:20:311466 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1467 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141468 bool has_cert = !!entry->GetSSL().certificate;
1469 if (is_same_document) {
1470 UMA_HISTOGRAM_BOOLEAN(
1471 "Navigation.SecureSchemeHasSSLStatus."
1472 "ExistingPageSameDocumentIntendedAsNew",
1473 has_cert);
1474 } else {
1475 UMA_HISTOGRAM_BOOLEAN(
1476 "Navigation.SecureSchemeHasSSLStatus."
1477 "ExistingPageDifferentDocumentIntendedAsNew",
1478 has_cert);
1479 }
1480 }
avicbdc4c12015-07-01 16:07:111481 } else if (params.nav_entry_id) {
1482 // This is a browser-initiated navigation (back/forward/reload).
1483 entry = GetEntryWithUniqueID(params.nav_entry_id);
jamd208b90ce2016-09-01 16:58:161484
eugenebut604866f2017-05-10 21:35:361485 if (is_same_document) {
1486 // There's no SSLStatus in the NavigationHandle for same document
1487 // navigations, so normally we leave |entry|'s SSLStatus as is. However if
1488 // this was a restored same document navigation entry, then it won't have
1489 // an SSLStatus. So we need to copy over the SSLStatus from the entry that
1490 // navigated it.
jam48cea9082017-02-15 06:13:291491 NavigationEntryImpl* last_entry = GetLastCommittedEntry();
1492 if (entry->GetURL().GetOrigin() == last_entry->GetURL().GetOrigin() &&
1493 last_entry->GetSSL().initialized && !entry->GetSSL().initialized &&
1494 was_restored) {
1495 entry->GetSSL() = last_entry->GetSSL();
1496 }
1497 } else {
John Abd-El-Malek3f247082017-12-07 19:02:191498 // In rapid back/forward navigations |handle| sometimes won't have a cert
1499 // (http://crbug.com/727892). So we use the handle's cert if it exists,
1500 // otherwise we only reuse the existing cert if the origins match.
1501 if (handle->GetSSLInfo().is_valid()) {
John Abd-El-Malekf36e05f2017-11-30 16:17:521502 entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek3f247082017-12-07 19:02:191503 } else if (entry->GetURL().GetOrigin() != handle->GetURL().GetOrigin()) {
1504 entry->GetSSL() = SSLStatus();
1505 }
jam48cea9082017-02-15 06:13:291506 }
John Abd-El-Malek9cd697e2017-07-12 21:53:141507
John Abd-El-Malek380d3c5922017-09-08 00:20:311508 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1509 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141510 bool has_cert = !!entry->GetSSL().certificate;
1511 if (is_same_document && was_restored) {
1512 UMA_HISTOGRAM_BOOLEAN(
1513 "Navigation.SecureSchemeHasSSLStatus."
1514 "ExistingPageSameDocumentRestoredBrowserInitiated",
1515 has_cert);
1516 } else if (is_same_document && !was_restored) {
1517 UMA_HISTOGRAM_BOOLEAN(
1518 "Navigation.SecureSchemeHasSSLStatus."
1519 "ExistingPageSameDocumentBrowserInitiated",
1520 has_cert);
1521 } else if (!is_same_document && was_restored) {
1522 UMA_HISTOGRAM_BOOLEAN(
1523 "Navigation.SecureSchemeHasSSLStatus."
1524 "ExistingPageRestoredBrowserInitiated",
1525 has_cert);
1526 } else {
1527 UMA_HISTOGRAM_BOOLEAN(
1528 "Navigation.SecureSchemeHasSSLStatus.ExistingPageBrowserInitiated",
1529 has_cert);
1530 }
1531 }
avicbdc4c12015-07-01 16:07:111532 } else {
1533 // This is renderer-initiated. The only kinds of renderer-initated
Charles Reis1378111f2017-11-08 21:44:061534 // navigations that are EXISTING_PAGE are reloads and history.replaceState,
avicbdc4c12015-07-01 16:07:111535 // which land us at the last committed entry.
1536 entry = GetLastCommittedEntry();
jam0576b132016-09-07 05:13:101537
Mikel Astizba9cf2fd2017-12-17 10:38:101538 // TODO(crbug.com/751023): Set page transition type to PAGE_TRANSITION_LINK
1539 // to avoid misleading interpretations (e.g. URLs paired with
1540 // PAGE_TRANSITION_TYPED that haven't actually been typed) as well as to fix
1541 // the inconsistency with what we report to observers (PAGE_TRANSITION_LINK
1542 // | PAGE_TRANSITION_CLIENT_REDIRECT).
1543
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571544 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(entry, entry);
Mikel Astizba9cf2fd2017-12-17 10:38:101545
eugenebut604866f2017-05-10 21:35:361546 // If this is a same document navigation, then there's no SSLStatus in the
jam0576b132016-09-07 05:13:101547 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361548 if (!is_same_document)
John Abd-El-Malekf36e05f2017-11-30 16:17:521549 entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141550
John Abd-El-Malek380d3c5922017-09-08 00:20:311551 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1552 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141553 bool has_cert = !!entry->GetSSL().certificate;
1554 if (is_same_document) {
1555 UMA_HISTOGRAM_BOOLEAN(
1556 "Navigation.SecureSchemeHasSSLStatus."
1557 "ExistingPageSameDocumentRendererInitiated",
1558 has_cert);
1559 } else {
1560 UMA_HISTOGRAM_BOOLEAN(
1561 "Navigation.SecureSchemeHasSSLStatus."
1562 "ExistingPageDifferentDocumentRendererInitiated",
1563 has_cert);
1564 }
1565 }
avicbdc4c12015-07-01 16:07:111566 }
1567 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:431568
[email protected]5ccd4dc2012-10-24 02:28:141569 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431570 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1571 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041572 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201573 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321574 if (entry->update_virtual_url_with_url())
1575 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141576
jam015ba062017-01-06 21:17:001577 // The site instance will normally be the same except
1578 // 1) session restore, when no site instance will be assigned or
1579 // 2) redirect, when the site instance is reset.
naskoaf182192016-08-11 02:12:011580 DCHECK(entry->site_instance() == nullptr ||
jam015ba062017-01-06 21:17:001581 !entry->GetRedirectChain().empty() ||
naskoaf182192016-08-11 02:12:011582 entry->site_instance() == rfh->GetSiteInstance());
clamy432acb22016-04-15 19:41:431583
naskoaf182192016-08-11 02:12:011584 // Update the existing FrameNavigationEntry to ensure all of its members
1585 // reflect the parameters coming from the renderer process.
1586 entry->AddOrUpdateFrameEntry(
1587 rfh->frame_tree_node(), params.item_sequence_number,
1588 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321589 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
1590 params.redirects, params.page_state, params.method, params.post_id,
Nasko Oskov18006bc2018-12-06 02:53:581591 nullptr /* blob_url_loader_factory */);
creis22a7b4c2016-04-28 07:20:301592
[email protected]5ccd4dc2012-10-24 02:28:141593 // The redirected to page should not inherit the favicon from the previous
1594 // page.
eugenebut604866f2017-05-10 21:35:361595 if (ui::PageTransitionIsRedirect(params.transition) && !is_same_document)
[email protected]91a4ff82012-10-29 20:29:481596 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141597
[email protected]e9ba4472008-09-14 15:42:431598 // The entry we found in the list might be pending if the user hit
1599 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591600 // list, we can just discard the pending pointer). We should also discard the
1601 // pending entry if it corresponds to a different navigation, since that one
1602 // is now likely canceled. If it is not canceled, we will treat it as a new
1603 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431604 //
1605 // Note that we need to use the "internal" version since we don't want to
1606 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491607 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391608
[email protected]80858db52009-10-15 00:35:181609 // If a transient entry was removed, the indices might have changed, so we
1610 // have to query the entry index again.
avicbdc4c12015-07-01 16:07:111611 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:431612}
1613
[email protected]d202a7c2012-01-04 07:53:471614void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321615 RenderFrameHostImpl* rfh,
clamy3bf35e3c2016-11-10 15:59:441616 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
Joe DeBlasio531e3d92018-11-06 06:26:121617 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441618 NavigationHandleImpl* handle) {
aviaf5660962015-06-30 15:12:291619 // This classification says that we have a pending entry that's the same as
1620 // the last committed entry. This entry is guaranteed to exist by
[email protected]4c27ba82008-09-24 16:49:091621 // ClassifyNavigation. All we need to do is update the existing entry.
aviaf5660962015-06-30 15:12:291622 NavigationEntryImpl* existing_entry = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431623
creis77c9aa32015-09-25 19:59:421624 // If we classified this correctly, the SiteInstance should not have changed.
1625 CHECK_EQ(existing_entry->site_instance(), rfh->GetSiteInstance());
1626
[email protected]e9ba4472008-09-14 15:42:431627 // We assign the entry's unique ID to be that of the new one. Since this is
1628 // always the result of a user action, we want to dismiss infobars, etc. like
1629 // a regular user-initiated navigation.
creis77c9aa32015-09-25 19:59:421630 DCHECK_EQ(pending_entry_->GetUniqueID(), params.nav_entry_id);
[email protected]36fc0392011-12-25 03:59:511631 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431632
[email protected]a0e69262009-06-03 19:08:481633 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431634 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1635 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321636 if (existing_entry->update_virtual_url_with_url())
1637 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041638 existing_entry->SetURL(params.url);
[email protected]a0e69262009-06-03 19:08:481639
jamd208b90ce2016-09-01 16:58:161640 // If a user presses enter in the omnibox and the server redirects, the URL
Joe DeBlasio531e3d92018-11-06 06:26:121641 // might change (but it's still considered a SAME_PAGE navigation), so we must
1642 // update the SSL status if we perform a network request (e.g. a
1643 // non-same-document navigation). Requests that don't result in a network
1644 // request do not have a valid SSL status, but since the document didn't
1645 // change, the previous SSLStatus is still valid.
1646 if (!is_same_document)
1647 existing_entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
jamd208b90ce2016-09-01 16:58:161648
John Abd-El-Malek509dfd62017-09-05 21:34:491649 if (existing_entry->GetURL().SchemeIs(url::kHttpsScheme) &&
John Abd-El-Malek380d3c5922017-09-08 00:20:311650 !rfh->GetParent() && handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141651 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.SamePage",
1652 !!existing_entry->GetSSL().certificate);
1653 }
1654
jianlid26f6c92016-10-12 21:03:171655 // The extra headers may have changed due to reloading with different headers.
1656 existing_entry->set_extra_headers(pending_entry_->extra_headers());
1657
naskoaf182192016-08-11 02:12:011658 // Update the existing FrameNavigationEntry to ensure all of its members
1659 // reflect the parameters coming from the renderer process.
1660 existing_entry->AddOrUpdateFrameEntry(
1661 rfh->frame_tree_node(), params.item_sequence_number,
1662 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321663 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
1664 params.redirects, params.page_state, params.method, params.post_id,
Nasko Oskov18006bc2018-12-06 02:53:581665 nullptr /* blob_url_loader_factory */);
[email protected]b77686522013-12-11 20:34:191666
[email protected]cbab76d2008-10-13 22:42:471667 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431668}
1669
[email protected]d202a7c2012-01-04 07:53:471670void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321671 RenderFrameHostImpl* rfh,
creis1857908a2016-02-25 20:31:521672 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361673 bool is_same_document,
creis1857908a2016-02-25 20:31:521674 bool replace_entry) {
avi25f5f9e2015-07-17 20:08:261675 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1676 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
[email protected]09b8f82f2009-06-16 20:22:111677
[email protected]e9ba4472008-09-14 15:42:431678 // Manual subframe navigations just get the current entry cloned so the user
1679 // can go back or forward to it. The actual subframe information will be
1680 // stored in the page state for each of those entries. This happens out of
1681 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091682 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1683 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381684
Mikel Astizba9cf2fd2017-12-17 10:38:101685 // The DCHECK below documents the fact that we don't know of any situation
1686 // where |replace_entry| is true for subframe navigations. This simplifies
1687 // reasoning about the replacement struct for subframes (see
1688 // CopyReplacedNavigationEntryDataIfPreviouslyEmpty()).
1689 DCHECK(!replace_entry);
1690
creisce0ef3572017-01-26 17:53:081691 // Make sure we don't leak frame_entry if new_entry doesn't take ownership.
1692 scoped_refptr<FrameNavigationEntry> frame_entry(new FrameNavigationEntry(
Charles Reisd2a509f2017-09-27 23:47:481693 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisce0ef3572017-01-26 17:53:081694 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321695 params.url, (params.url_is_unreachable) ? nullptr : &params.origin,
1696 params.referrer, params.redirects, params.page_state, params.method,
1697 params.post_id, nullptr /* blob_url_loader_factory */));
Charles Reisf44482022017-10-13 21:15:031698
creisce0ef3572017-01-26 17:53:081699 std::unique_ptr<NavigationEntryImpl> new_entry =
1700 GetLastCommittedEntry()->CloneAndReplace(
eugenebut604866f2017-05-10 21:35:361701 frame_entry.get(), is_same_document, rfh->frame_tree_node(),
creisce0ef3572017-01-26 17:53:081702 delegate_->GetFrameTree()->root());
creise062d542015-08-25 02:01:551703
creisce0ef3572017-01-26 17:53:081704 // TODO(creis): Update this to add the frame_entry if we can't find the one
1705 // to replace, which can happen due to a unique name change. See
1706 // https://crbug.com/607205. For now, frame_entry will be deleted when it
1707 // goes out of scope if it doesn't get used.
creis96fc55082015-06-13 06:42:381708
creis1857908a2016-02-25 20:31:521709 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431710}
1711
[email protected]d202a7c2012-01-04 07:53:471712bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321713 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221714 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291715 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1716 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1717
[email protected]e9ba4472008-09-14 15:42:431718 // We're guaranteed to have a previously committed entry, and we now need to
1719 // handle navigation inside of a subframe in it without creating a new entry.
1720 DCHECK(GetLastCommittedEntry());
1721
creis913c63ce2016-07-16 19:52:521722 // For newly created subframes, we don't need to send a commit notification.
1723 // This is only necessary for history navigations in subframes.
1724 bool send_commit_notification = false;
1725
1726 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1727 // a history navigation. Update the last committed index accordingly.
1728 // If we don't recognize the |nav_entry_id|, it might be a recently pruned
1729 // entry. We'll handle it below.
avi98405c22015-05-21 20:47:061730 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511731 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
creis3cdc3b02015-05-29 23:00:471732 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061733 // Make sure that a subframe commit isn't changing the main frame's
1734 // origin. Otherwise the renderer process may be confused, leading to a
1735 // URL spoof. We can't check the path since that may change
1736 // (https://crbug.com/373041).
creis37988b92016-06-10 18:03:571737 // TODO(creis): For now, restrict this check to HTTP(S) origins, because
1738 // about:blank, file, and unique origins are more subtle to get right.
Eugene But9fb98d12018-05-22 18:28:331739 // We'll abstract out the relevant checks from IsURLSameDocumentNavigation
1740 // and share them here. See https://crbug.com/618104.
creis37988b92016-06-10 18:03:571741 const GURL& dest_top_url = GetEntryAtIndex(entry_index)->GetURL();
1742 const GURL& current_top_url = GetLastCommittedEntry()->GetURL();
1743 if (current_top_url.SchemeIsHTTPOrHTTPS() &&
1744 dest_top_url.SchemeIsHTTPOrHTTPS() &&
1745 current_top_url.GetOrigin() != dest_top_url.GetOrigin()) {
creisfb6eeb62016-05-10 19:01:511746 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1747 bad_message::NC_AUTO_SUBFRAME);
avi98405c22015-05-21 20:47:061748 }
creis3cdc3b02015-05-29 23:00:471749
creis913c63ce2016-07-16 19:52:521750 // We only need to discard the pending entry in this history navigation
1751 // case. For newly created subframes, there was no pending entry.
avi98405c22015-05-21 20:47:061752 last_committed_entry_index_ = entry_index;
1753 DiscardNonCommittedEntriesInternal();
creis913c63ce2016-07-16 19:52:521754
1755 // History navigations should send a commit notification.
1756 send_commit_notification = true;
avi98405c22015-05-21 20:47:061757 }
[email protected]e9ba4472008-09-14 15:42:431758 }
[email protected]f233e4232013-02-23 00:55:141759
creisce0ef3572017-01-26 17:53:081760 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1761 // it may be a "history auto" case where we update an existing one.
1762 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
1763 last_committed->AddOrUpdateFrameEntry(
1764 rfh->frame_tree_node(), params.item_sequence_number,
1765 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Nasko Oskov03912102019-01-11 00:21:321766 params.url, GetCommittedOriginForFrameEntry(params), params.referrer,
1767 params.redirects, params.page_state, params.method, params.post_id,
Nasko Oskov18006bc2018-12-06 02:53:581768 nullptr /* blob_url_loader_factory */);
creis625a0c7d2015-03-24 23:17:121769
creis913c63ce2016-07-16 19:52:521770 return send_commit_notification;
[email protected]e9ba4472008-09-14 15:42:431771}
1772
[email protected]d202a7c2012-01-04 07:53:471773int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231774 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:031775 for (size_t i = 0; i < entries_.size(); ++i) {
1776 if (entries_[i].get() == entry)
1777 return i;
1778 }
1779 return -1;
[email protected]765b35502008-08-21 00:51:201780}
1781
Eugene But7cc259d2017-10-09 23:52:491782// There are two general cases where a navigation is "same-document":
avidb7d1d22015-06-08 21:21:501783// 1. A fragment navigation, in which the url is kept the same except for the
1784// reference fragment.
1785// 2. A history API navigation (pushState and replaceState). This case is
Eugene But7cc259d2017-10-09 23:52:491786// always same-document, but the urls are not guaranteed to match excluding
1787// the fragment. The relevant spec allows pushState/replaceState to any URL
1788// on the same origin.
avidb7d1d22015-06-08 21:21:501789// However, due to reloads, even identical urls are *not* guaranteed to be
Eugene But7cc259d2017-10-09 23:52:491790// same-document navigations, we have to trust the renderer almost entirely.
avidb7d1d22015-06-08 21:21:501791// The one thing we do know is that cross-origin navigations will *never* be
Eugene But7cc259d2017-10-09 23:52:491792// same-document. Therefore, trust the renderer if the URLs are on the same
1793// origin, and assume the renderer is malicious if a cross-origin navigation
1794// claims to be same-document.
creisf164daa2016-06-07 00:17:051795//
1796// TODO(creis): Clean up and simplify the about:blank and origin checks below,
1797// which are likely redundant with each other. Be careful about data URLs vs
1798// about:blank, both of which are unique origins and thus not considered equal.
Eugene But7cc259d2017-10-09 23:52:491799bool NavigationControllerImpl::IsURLSameDocumentNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121800 const GURL& url,
creisf164daa2016-06-07 00:17:051801 const url::Origin& origin,
Eugene But7cc259d2017-10-09 23:52:491802 bool renderer_says_same_document,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571803 RenderFrameHost* rfh) {
creis225a7432016-06-03 22:56:271804 RenderFrameHostImpl* rfhi = static_cast<RenderFrameHostImpl*>(rfh);
avidb7d1d22015-06-08 21:21:501805 GURL last_committed_url;
1806 if (rfh->GetParent()) {
creis225a7432016-06-03 22:56:271807 // Use the FrameTreeNode's current_url and not rfh->GetLastCommittedURL(),
1808 // which might be empty in a new RenderFrameHost after a process swap.
1809 // Here, we care about the last committed URL in the FrameTreeNode,
1810 // regardless of which process it is in.
1811 last_committed_url = rfhi->frame_tree_node()->current_url();
avidb7d1d22015-06-08 21:21:501812 } else {
1813 NavigationEntry* last_committed = GetLastCommittedEntry();
1814 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1815 // might Blink say that a navigation is in-page yet there be no last-
1816 // committed entry?
1817 if (!last_committed)
1818 return false;
1819 last_committed_url = last_committed->GetURL();
1820 }
1821
1822 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
creis225a7432016-06-03 22:56:271823 const url::Origin& committed_origin =
1824 rfhi->frame_tree_node()->current_origin();
avidb7d1d22015-06-08 21:21:501825 bool is_same_origin = last_committed_url.is_empty() ||
1826 // TODO(japhet): We should only permit navigations
1827 // originating from about:blank to be in-page if the
1828 // about:blank is the first document that frame loaded.
1829 // We don't have sufficient information to identify
1830 // that case at the moment, so always allow about:blank
1831 // for now.
csharrisona3bd0b32016-10-19 18:40:481832 last_committed_url == url::kAboutBlankURL ||
avidb7d1d22015-06-08 21:21:501833 last_committed_url.GetOrigin() == url.GetOrigin() ||
creisf164daa2016-06-07 00:17:051834 committed_origin == origin ||
avidb7d1d22015-06-08 21:21:501835 !prefs.web_security_enabled ||
1836 (prefs.allow_universal_access_from_file_urls &&
creisdc004e02015-11-20 21:28:471837 committed_origin.scheme() == url::kFileScheme);
Eugene But7cc259d2017-10-09 23:52:491838 if (!is_same_origin && renderer_says_same_document) {
avidb7d1d22015-06-08 21:21:501839 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1840 bad_message::NC_IN_PAGE_NAVIGATION);
1841 }
Eugene But7cc259d2017-10-09 23:52:491842 return is_same_origin && renderer_says_same_document;
[email protected]e9ba4472008-09-14 15:42:431843}
1844
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571845void NavigationControllerImpl::CopyStateFrom(NavigationController* temp,
Francois Dorayeaace782017-06-21 16:37:241846 bool needs_reload) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571847 NavigationControllerImpl* source =
1848 static_cast<NavigationControllerImpl*>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571849 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551850 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571851
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571852 if (source->GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571853 return; // Nothing new to do.
1854
Francois Dorayeaace782017-06-21 16:37:241855 needs_reload_ = needs_reload;
Bo Liucdfa4b12018-11-06 00:21:441856 needs_reload_type_ = NeedsReloadType::kCopyStateFrom;
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571857 InsertEntriesFrom(source, source->GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571858
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571859 for (auto it = source->session_storage_namespace_map_.begin();
1860 it != source->session_storage_namespace_map_.end(); ++it) {
[email protected]fdac6ade2013-07-20 01:06:301861 SessionStorageNamespaceImpl* source_namespace =
1862 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1863 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1864 }
[email protected]4e6419c2010-01-15 04:50:341865
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571866 FinishRestore(source->last_committed_entry_index_,
toyoshim0df1d3a2016-09-09 09:52:481867 RestoreType::CURRENT_SESSION);
[email protected]ce3fa3c2009-04-20 19:55:571868}
1869
[email protected]d202a7c2012-01-04 07:53:471870void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571871 NavigationController* temp,
1872 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161873 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011874 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161875
[email protected]d202a7c2012-01-04 07:53:471876 NavigationControllerImpl* source =
1877 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251878
avi2b177592014-12-10 02:08:021879 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011880 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251881
[email protected]474f8512013-05-31 22:31:161882 // We now have one entry, possibly with a new pending entry. Ensure that
1883 // adding the entries from source won't put us over the limit.
1884 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571885 if (!replace_entry)
1886 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251887
[email protected]47e020a2010-10-15 14:43:371888 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021889 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161890 // since it has not committed in source.
1891 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251892 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551893 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251894 else
1895 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571896
1897 // Ignore the source's current entry if merging with replacement.
1898 // TODO(davidben): This should preserve entries forward of the current
1899 // too. http://crbug.com/317872
1900 if (replace_entry && max_source_index > 0)
1901 max_source_index--;
1902
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571903 InsertEntriesFrom(source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251904
1905 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551906 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141907
avi2b177592014-12-10 02:08:021908 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1909 GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:251910}
1911
[email protected]79368982013-11-13 01:11:011912bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161913 // If there is no last committed entry, we cannot prune. Even if there is a
1914 // pending entry, it may not commit, leaving this WebContents blank, despite
1915 // possibly giving it new entries via CopyStateFromAndPrune.
1916 if (last_committed_entry_index_ == -1)
1917 return false;
[email protected]9350602e2013-02-26 23:27:441918
[email protected]474f8512013-05-31 22:31:161919 // We cannot prune if there is a pending entry at an existing entry index.
1920 // It may not commit, so we have to keep the last committed entry, and thus
1921 // there is no sensible place to keep the pending entry. It is ok to have
1922 // a new pending entry, which can optionally commit as a new navigation.
1923 if (pending_entry_index_ != -1)
1924 return false;
1925
1926 // We should not prune if we are currently showing a transient entry.
1927 if (transient_entry_index_ != -1)
1928 return false;
1929
1930 return true;
1931}
1932
[email protected]79368982013-11-13 01:11:011933void NavigationControllerImpl::PruneAllButLastCommitted() {
1934 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161935
avi2b177592014-12-10 02:08:021936 DCHECK_EQ(0, last_committed_entry_index_);
1937 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441938
avi2b177592014-12-10 02:08:021939 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1940 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441941}
1942
[email protected]79368982013-11-13 01:11:011943void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161944 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011945 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261946
[email protected]474f8512013-05-31 22:31:161947 // Erase all entries but the last committed entry. There may still be a
1948 // new pending entry after this.
1949 entries_.erase(entries_.begin(),
1950 entries_.begin() + last_committed_entry_index_);
1951 entries_.erase(entries_.begin() + 1, entries_.end());
1952 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261953}
1954
Christian Dullweber1af31e62018-02-22 11:49:481955void NavigationControllerImpl::DeleteNavigationEntries(
1956 const DeletionPredicate& deletionPredicate) {
1957 // It is up to callers to check the invariants before calling this.
1958 CHECK(CanPruneAllButLastCommitted());
1959 std::vector<int> delete_indices;
1960 for (size_t i = 0; i < entries_.size(); i++) {
1961 if (i != static_cast<size_t>(last_committed_entry_index_) &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:571962 deletionPredicate.Run(entries_[i].get())) {
Christian Dullweber1af31e62018-02-22 11:49:481963 delete_indices.push_back(i);
1964 }
1965 }
1966 if (delete_indices.empty())
1967 return;
1968
1969 if (delete_indices.size() == GetEntryCount() - 1U) {
1970 PruneAllButLastCommitted();
1971 } else {
1972 // Do the deletion in reverse to preserve indices.
1973 for (auto it = delete_indices.rbegin(); it != delete_indices.rend(); ++it) {
1974 RemoveEntryAtIndex(*it);
1975 }
1976 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1977 GetEntryCount());
1978 }
1979 delegate()->NotifyNavigationEntriesDeleted();
1980}
1981
clamy987a3752018-05-03 17:36:261982void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
1983 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
1984 // progress, since this will cause a use-after-free. (We only allow this
1985 // when the tab is being destroyed for shutdown, since it won't return to
1986 // NavigateToEntry in that case.) http://crbug.com/347742.
1987 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
1988
1989 if (was_failure && pending_entry_) {
1990 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
1991 } else {
1992 failed_pending_entry_id_ = 0;
1993 }
1994
1995 if (pending_entry_) {
1996 if (pending_entry_index_ == -1)
1997 delete pending_entry_;
1998 pending_entry_index_ = -1;
1999 pending_entry_ = nullptr;
2000 }
2001}
2002
2003void NavigationControllerImpl::SetPendingNavigationSSLError(bool error) {
2004 if (pending_entry_)
2005 pending_entry_->set_ssl_error(error);
2006}
2007
Camille Lamy5193caa2018-10-12 11:59:422008#if defined(OS_ANDROID)
2009// static
2010bool NavigationControllerImpl::ValidateDataURLAsString(
2011 const scoped_refptr<const base::RefCountedString>& data_url_as_string) {
2012 if (!data_url_as_string)
2013 return false;
2014
2015 if (data_url_as_string->size() > kMaxLengthOfDataURLString)
2016 return false;
2017
2018 // The number of characters that is enough for validating a data: URI.
2019 // From the GURL's POV, the only important part here is scheme, it doesn't
2020 // check the actual content. Thus we can take only the prefix of the url, to
2021 // avoid unneeded copying of a potentially long string.
2022 const size_t kDataUriPrefixMaxLen = 64;
2023 GURL data_url(
2024 std::string(data_url_as_string->front_as<char>(),
2025 std::min(data_url_as_string->size(), kDataUriPrefixMaxLen)));
2026 if (!data_url.is_valid() || !data_url.SchemeIs(url::kDataScheme))
2027 return false;
2028
2029 return true;
2030}
2031#endif
2032
clamy987a3752018-05-03 17:36:262033bool NavigationControllerImpl::StartHistoryNavigationInNewSubframe(
2034 RenderFrameHostImpl* render_frame_host,
2035 const GURL& default_url) {
2036 NavigationEntryImpl* entry =
2037 GetEntryWithUniqueID(render_frame_host->nav_entry_id());
2038 if (!entry)
2039 return false;
2040
2041 FrameNavigationEntry* frame_entry =
2042 entry->GetFrameEntry(render_frame_host->frame_tree_node());
2043 if (!frame_entry)
2044 return false;
2045
2046 // Track how often history navigations load a different URL into a subframe
2047 // than the frame's default URL.
2048 bool restoring_different_url = frame_entry->url() != default_url;
2049 UMA_HISTOGRAM_BOOLEAN("SessionRestore.RestoredSubframeURL",
2050 restoring_different_url);
2051 // If this frame's unique name uses a frame path, record the name length.
2052 // If these names are long in practice, then a proposed plan to truncate
2053 // unique names might affect restore behavior, since it is complex to deal
2054 // with truncated names inside frame paths.
2055 if (restoring_different_url) {
2056 const std::string& unique_name =
2057 render_frame_host->frame_tree_node()->unique_name();
2058 const char kFramePathPrefix[] = "<!--framePath ";
2059 if (base::StartsWith(unique_name, kFramePathPrefix,
2060 base::CompareCase::SENSITIVE)) {
Steven Holte95922222018-09-14 20:06:232061 UMA_HISTOGRAM_COUNTS_1M("SessionRestore.RestoreSubframeFramePathLength",
2062 unique_name.size());
clamy987a3752018-05-03 17:36:262063 }
2064 }
2065
Camille Lamy5193caa2018-10-12 11:59:422066 std::unique_ptr<NavigationRequest> request = CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572067 render_frame_host->frame_tree_node(), entry, frame_entry,
clamyea99ea12018-05-28 13:54:232068 ReloadType::NONE, false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422069 true /* is_history_navigation_in_new_child */);
clamyea99ea12018-05-28 13:54:232070
2071 if (!request)
2072 return false;
2073
2074 render_frame_host->frame_tree_node()->navigator()->Navigate(
2075 std::move(request), ReloadType::NONE, RestoreType::NONE);
2076
2077 return true;
clamy987a3752018-05-03 17:36:262078}
2079
2080void NavigationControllerImpl::NavigateFromFrameProxy(
2081 RenderFrameHostImpl* render_frame_host,
2082 const GURL& url,
Nasko Oskov93e7c55c2018-12-19 01:59:292083 const url::Origin& initiator_origin,
clamy987a3752018-05-03 17:36:262084 bool is_renderer_initiated,
2085 SiteInstance* source_site_instance,
2086 const Referrer& referrer,
2087 ui::PageTransition page_transition,
2088 bool should_replace_current_entry,
Charlie Harrison8c113a32019-01-07 16:08:292089 NavigationDownloadPolicy download_policy,
clamy987a3752018-05-03 17:36:262090 const std::string& method,
2091 scoped_refptr<network::ResourceRequestBody> post_body,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092092 const std::string& extra_headers,
2093 scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
clamy987a3752018-05-03 17:36:262094 FrameTreeNode* node = render_frame_host->frame_tree_node();
Nasko Oskov18006bc2018-12-06 02:53:582095
clamy987a3752018-05-03 17:36:262096 // Create a NavigationEntry for the transfer, without making it the pending
2097 // entry. Subframe transfers should have a clone of the last committed entry
2098 // with a FrameNavigationEntry for the target frame. Main frame transfers
2099 // should have a new NavigationEntry.
2100 // TODO(creis): Make this unnecessary by creating (and validating) the params
2101 // directly, passing them to the destination RenderFrameHost. See
2102 // https://crbug.com/536906.
2103 std::unique_ptr<NavigationEntryImpl> entry;
2104 if (!node->IsMainFrame()) {
2105 // Subframe case: create FrameNavigationEntry.
2106 if (GetLastCommittedEntry()) {
2107 entry = GetLastCommittedEntry()->Clone();
2108 entry->set_extra_headers(extra_headers);
2109 // TODO(arthursonzogni): What about |is_renderer_initiated|?
2110 // Renderer-initiated navigation that target a remote frame are currently
2111 // classified as browser-initiated when this one has already navigated.
2112 // See https://crbug.com/722251.
2113 } else {
2114 // If there's no last committed entry, create an entry for about:blank
2115 // with a subframe entry for our destination.
2116 // TODO(creis): Ensure this case can't exist in https://crbug.com/524208.
2117 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2118 GURL(url::kAboutBlankURL), referrer, page_transition,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092119 is_renderer_initiated, extra_headers, browser_context_,
2120 nullptr /* blob_url_loader_factory */));
clamy987a3752018-05-03 17:36:262121 }
2122 entry->AddOrUpdateFrameEntry(
2123 node, -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582124 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Nasko Oskov03912102019-01-11 00:21:322125 base::nullopt /* commit_origin */, referrer, std::vector<GURL>(),
2126 PageState(), method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262127 } else {
2128 // Main frame case.
2129 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2130 url, referrer, page_transition, is_renderer_initiated, extra_headers,
Marijn Kruisselbrink7a0d5e182018-05-24 22:55:092131 browser_context_, blob_url_loader_factory));
clamy987a3752018-05-03 17:36:262132 entry->root_node()->frame_entry->set_source_site_instance(
2133 static_cast<SiteInstanceImpl*>(source_site_instance));
2134 entry->root_node()->frame_entry->set_method(method);
2135 }
clamy987a3752018-05-03 17:36:262136
2137 // Don't allow an entry replacement if there is no entry to replace.
2138 // http://crbug.com/457149
2139 if (should_replace_current_entry && GetEntryCount() > 0)
2140 entry->set_should_replace_entry(true);
Camille Lamy5193caa2018-10-12 11:59:422141
2142 bool override_user_agent = false;
clamy987a3752018-05-03 17:36:262143 if (GetLastCommittedEntry() &&
2144 GetLastCommittedEntry()->GetIsOverridingUserAgent()) {
2145 entry->SetIsOverridingUserAgent(true);
Camille Lamy5193caa2018-10-12 11:59:422146 override_user_agent = true;
clamy987a3752018-05-03 17:36:262147 }
2148 // TODO(creis): Set user gesture and intent received timestamp on Android.
2149
2150 // We may not have successfully added the FrameNavigationEntry to |entry|
2151 // above (per https://crbug.com/608402), in which case we create it from
2152 // scratch. This works because we do not depend on |frame_entry| being inside
2153 // |entry| during NavigateToEntry. This will go away when we shortcut this
2154 // further in https://crbug.com/536906.
2155 scoped_refptr<FrameNavigationEntry> frame_entry(entry->GetFrameEntry(node));
2156 if (!frame_entry) {
2157 frame_entry = new FrameNavigationEntry(
2158 node->unique_name(), -1, -1, nullptr,
Nasko Oskov18006bc2018-12-06 02:53:582159 static_cast<SiteInstanceImpl*>(source_site_instance), url,
Nasko Oskov03912102019-01-11 00:21:322160 nullptr /* origin */, referrer, std::vector<GURL>(), PageState(),
2161 method, -1, blob_url_loader_factory);
clamy987a3752018-05-03 17:36:262162 }
2163
Camille Lamy5193caa2018-10-12 11:59:422164 LoadURLParams params(url);
Nasko Oskov93e7c55c2018-12-19 01:59:292165 params.initiator_origin = initiator_origin;
Camille Lamy5193caa2018-10-12 11:59:422166 params.source_site_instance = source_site_instance;
2167 params.load_type = method == "POST" ? LOAD_TYPE_HTTP_POST : LOAD_TYPE_DEFAULT;
2168 params.transition_type = page_transition;
2169 params.frame_tree_node_id =
2170 render_frame_host->frame_tree_node()->frame_tree_node_id();
2171 params.referrer = referrer;
2172 /* params.redirect_chain: skip */
2173 params.extra_headers = extra_headers;
2174 params.is_renderer_initiated = is_renderer_initiated;
2175 params.override_user_agent = UA_OVERRIDE_INHERIT;
2176 /* params.base_url_for_data_url: skip */
2177 /* params.virtual_url_for_data_url: skip */
2178 /* params.data_url_as_string: skip */
2179 params.post_data = post_body;
2180 params.can_load_local_resources = false;
2181 params.should_replace_current_entry = false;
2182 /* params.frame_name: skip */
2183 // TODO(clamy): See if user gesture should be propagated to this function.
2184 params.has_user_gesture = false;
2185 params.should_clear_history_list = false;
2186 params.started_from_context_menu = false;
2187 /* params.navigation_ui_data: skip */
2188 /* params.input_start: skip */
2189 params.was_activated = WasActivatedOption::kUnknown;
2190
2191 std::unique_ptr<NavigationRequest> request =
2192 CreateNavigationRequestFromLoadParams(
2193 render_frame_host->frame_tree_node(), params, override_user_agent,
2194 should_replace_current_entry, false /* has_user_gesture */,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572195 download_policy, ReloadType::NONE, entry.get(), frame_entry.get());
clamyea99ea12018-05-28 13:54:232196
2197 if (!request)
2198 return;
2199
2200 render_frame_host->frame_tree_node()->navigator()->Navigate(
2201 std::move(request), ReloadType::NONE, RestoreType::NONE);
clamy987a3752018-05-03 17:36:262202}
2203
[email protected]d1198fd2012-08-13 22:50:192204void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:302205 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:212206 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:192207 if (!session_storage_namespace)
2208 return;
2209
2210 // We can't overwrite an existing SessionStorage without violating spec.
2211 // Attempts to do so may give a tab access to another tab's session storage
2212 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:302213 bool successful_insert = session_storage_namespace_map_.insert(
2214 make_pair(partition_id,
2215 static_cast<SessionStorageNamespaceImpl*>(
2216 session_storage_namespace)))
2217 .second;
2218 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:192219}
2220
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572221bool NavigationControllerImpl::IsUnmodifiedBlankTab() {
[email protected]aa62afd2014-04-22 19:22:462222 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:102223 !GetLastCommittedEntry() &&
2224 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:462225}
2226
[email protected]a26023822011-12-29 00:23:552227SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:302228NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
2229 std::string partition_id;
2230 if (instance) {
2231 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
2232 // this if statement so |instance| must not be NULL.
2233 partition_id =
2234 GetContentClient()->browser()->GetStoragePartitionIdForSite(
2235 browser_context_, instance->GetSiteURL());
2236 }
[email protected]d1198fd2012-08-13 22:50:192237
[email protected]fdac6ade2013-07-20 01:06:302238 // TODO(ajwong): Should this use the |partition_id| directly rather than
2239 // re-lookup via |instance|? http://crbug.com/142685
2240 StoragePartition* partition =
michaelnbacbcbd2016-02-09 00:32:032241 BrowserContext::GetStoragePartition(browser_context_, instance);
2242 DOMStorageContextWrapper* context_wrapper =
2243 static_cast<DOMStorageContextWrapper*>(partition->GetDOMStorageContext());
2244
2245 SessionStorageNamespaceMap::const_iterator it =
2246 session_storage_namespace_map_.find(partition_id);
2247 if (it != session_storage_namespace_map_.end()) {
2248 // Ensure that this namespace actually belongs to this partition.
2249 DCHECK(static_cast<SessionStorageNamespaceImpl*>(it->second.get())->
2250 IsFromContext(context_wrapper));
2251 return it->second.get();
2252 }
2253
2254 // Create one if no one has accessed session storage for this partition yet.
Daniel Murphy31bbb8b12018-02-07 21:44:102255 scoped_refptr<SessionStorageNamespaceImpl> session_storage_namespace =
2256 SessionStorageNamespaceImpl::Create(context_wrapper);
2257 SessionStorageNamespaceImpl* session_storage_namespace_ptr =
2258 session_storage_namespace.get();
2259 session_storage_namespace_map_[partition_id] =
2260 std::move(session_storage_namespace);
[email protected]fdac6ade2013-07-20 01:06:302261
Daniel Murphy31bbb8b12018-02-07 21:44:102262 return session_storage_namespace_ptr;
[email protected]fdac6ade2013-07-20 01:06:302263}
2264
2265SessionStorageNamespace*
2266NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
2267 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
Ivan Kotenkov2c0d2bb32017-11-01 15:41:282268 return GetSessionStorageNamespace(nullptr);
[email protected]fdac6ade2013-07-20 01:06:302269}
2270
2271const SessionStorageNamespaceMap&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572272NavigationControllerImpl::GetSessionStorageNamespaceMap() {
[email protected]fdac6ade2013-07-20 01:06:302273 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:552274}
[email protected]d202a7c2012-01-04 07:53:472275
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572276bool NavigationControllerImpl::NeedsReload() {
[email protected]71fde352011-12-29 03:29:562277 return needs_reload_;
2278}
[email protected]a26023822011-12-29 00:23:552279
[email protected]46bb5e9c2013-10-03 22:16:472280void NavigationControllerImpl::SetNeedsReload() {
2281 needs_reload_ = true;
Bo Liucdfa4b12018-11-06 00:21:442282 needs_reload_type_ = NeedsReloadType::kRequestedByClient;
jaekyunc8cefa82015-01-09 20:14:542283
2284 if (last_committed_entry_index_ != -1) {
2285 entries_[last_committed_entry_index_]->SetTransitionType(
2286 ui::PAGE_TRANSITION_RELOAD);
2287 }
[email protected]46bb5e9c2013-10-03 22:16:472288}
2289
[email protected]d202a7c2012-01-04 07:53:472290void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:552291 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:122292 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:312293
2294 DiscardNonCommittedEntries();
2295
2296 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:122297 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:312298 last_committed_entry_index_--;
2299}
2300
[email protected]d202a7c2012-01-04 07:53:472301void NavigationControllerImpl::DiscardNonCommittedEntries() {
pdr15f5b5b2017-06-20 00:58:002302 bool transient = transient_entry_index_ != -1;
[email protected]cbab76d2008-10-13 22:42:472303 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:292304
pdr15f5b5b2017-06-20 00:58:002305 // If there was a transient entry, invalidate everything so the new active
2306 // entry state is shown.
2307 if (transient) {
2308 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:472309 }
initial.commit09911bf2008-07-26 23:55:292310}
2311
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572312NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() {
arthursonzogni5c4c202d2017-04-25 23:41:272313 // If there is no pending_entry_, there should be no pending_entry_index_.
2314 DCHECK(pending_entry_ || pending_entry_index_ == -1);
2315
2316 // If there is a pending_entry_index_, then pending_entry_ must be the entry
2317 // at that index.
2318 DCHECK(pending_entry_index_ == -1 ||
2319 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
2320
[email protected]022af742011-12-28 18:37:252321 return pending_entry_;
2322}
2323
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572324int NavigationControllerImpl::GetPendingEntryIndex() {
arthursonzogni5c4c202d2017-04-25 23:41:272325 // The pending entry index must always be less than the number of entries.
2326 // If there are no entries, it must be exactly -1.
2327 DCHECK_LT(pending_entry_index_, GetEntryCount());
2328 DCHECK(GetEntryCount() != 0 || pending_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:552329 return pending_entry_index_;
2330}
2331
avi25764702015-06-23 15:43:372332void NavigationControllerImpl::InsertOrReplaceEntry(
dcheng9bfa5162016-04-09 01:00:572333 std::unique_ptr<NavigationEntryImpl> entry,
2334 bool replace) {
mastiz7eddb5f72016-06-23 09:52:452335 DCHECK(!ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
2336 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
[email protected]765b35502008-08-21 00:51:202337
avi5cad4912015-06-19 05:25:442338 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
2339 // need to keep continuity with the pending entry, so copy the pending entry's
2340 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
2341 // then the renderer navigated on its own, independent of the pending entry,
2342 // so don't copy anything.
2343 if (pending_entry_ && pending_entry_index_ == -1)
2344 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:202345
[email protected]cbab76d2008-10-13 22:42:472346 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:202347
2348 int current_size = static_cast<int>(entries_.size());
creisee17e932015-07-17 17:56:222349
2350 // When replacing, don't prune the forward history.
creis37979a62015-08-04 19:48:182351 if (replace && current_size > 0) {
Mikel Astizba9cf2fd2017-12-17 10:38:102352 CopyReplacedNavigationEntryDataIfPreviouslyEmpty(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572353 entries_[last_committed_entry_index_].get(), entry.get());
dcheng36b6aec92015-12-26 06:16:362354 entries_[last_committed_entry_index_] = std::move(entry);
creisee17e932015-07-17 17:56:222355 return;
2356 }
[email protected]765b35502008-08-21 00:51:202357
creis37979a62015-08-04 19:48:182358 // We shouldn't see replace == true when there's no committed entries.
2359 DCHECK(!replace);
2360
[email protected]765b35502008-08-21 00:51:202361 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:452362 // Prune any entries which are in front of the current entry.
[email protected]47dcbdc2011-05-27 15:08:312363 // last_committed_entry_index_ must be updated here since calls to
2364 // NotifyPrunedEntries() below may re-enter and we must make sure
2365 // last_committed_entry_index_ is not left in an invalid state.
[email protected]c12bf1a12008-09-17 16:28:492366 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:312367 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:492368 num_pruned++;
[email protected]765b35502008-08-21 00:51:202369 entries_.pop_back();
2370 current_size--;
2371 }
[email protected]c12bf1a12008-09-17 16:28:492372 if (num_pruned > 0) // Only notify if we did prune something.
2373 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:202374 }
2375
[email protected]944822b2012-03-02 20:57:252376 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:202377
dcheng36b6aec92015-12-26 06:16:362378 entries_.push_back(std::move(entry));
[email protected]765b35502008-08-21 00:51:202379 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
initial.commit09911bf2008-07-26 23:55:292380}
2381
[email protected]944822b2012-03-02 20:57:252382void NavigationControllerImpl::PruneOldestEntryIfFull() {
Shivani Sharma2d5b4b6b2019-01-08 16:07:162383 if (entries_.size() < max_entry_count())
2384 return;
2385
2386 DCHECK_EQ(max_entry_count(), entries_.size());
2387 DCHECK_GT(last_committed_entry_index_, 0);
2388 RemoveEntryAtIndex(0);
2389 NotifyPrunedEntries(this, true, 1);
2390 // TODO(crbug.com/907167): Consider removing the earliest skippable entry
2391 // instead of the first entry.
[email protected]944822b2012-03-02 20:57:252392}
2393
clamy3cb9bea92018-07-10 12:42:022394void NavigationControllerImpl::NavigateToExistingPendingEntry(
2395 ReloadType reload_type) {
arthursonzogni5c4c202d2017-04-25 23:41:272396 DCHECK(pending_entry_);
clamy3cb9bea92018-07-10 12:42:022397 DCHECK(IsInitialNavigation() || pending_entry_index_ != -1);
2398 DCHECK(!IsRendererDebugURL(pending_entry_->GetURL()));
[email protected]72097fd02010-01-21 23:36:012399 needs_reload_ = false;
Arthur Sonzogni620cec62018-12-13 13:08:572400 FrameTreeNode* root = delegate_->GetFrameTree()->root();
2401 int nav_entry_id = pending_entry_->GetUniqueID();
2402
2403 // BackForwardCache:
2404 // Try to restore a document from the BackForwardCache.
2405 if (auto rfh = back_forward_cache_.RestoreDocument(nav_entry_id)) {
2406 root->render_manager()->RestoreFromBackForwardCache(std::move(rfh));
2407 CommitRestoreFromBackForwardCache();
2408 return;
2409 }
[email protected]72097fd02010-01-21 23:36:012410
[email protected]83c2e232011-10-07 21:36:462411 // If we were navigating to a slow-to-commit page, and the user performs
2412 // a session history navigation to the last committed page, RenderViewHost
2413 // will force the throbber to start, but WebKit will essentially ignore the
2414 // navigation, and won't send a message to stop the throbber. To prevent this
2415 // from happening, we drop the navigation here and stop the slow-to-commit
2416 // page from loading (which would normally happen during the navigation).
clamy3cb9bea92018-07-10 12:42:022417 if (pending_entry_index_ == last_committed_entry_index_ &&
arthursonzogni5c4c202d2017-04-25 23:41:272418 pending_entry_->restore_type() == RestoreType::NONE &&
2419 pending_entry_->GetTransitionType() & ui::PAGE_TRANSITION_FORWARD_BACK) {
[email protected]ec6c05f2013-10-23 18:41:572420 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:122421
avi668f5232017-06-22 22:52:172422 // If an interstitial page is showing, we want to close it to get back to
2423 // what was showing before.
2424 //
2425 // There are two ways to get the interstitial page given a WebContents.
2426 // Because WebContents::GetInterstitialPage() returns null between the
2427 // interstitial's Show() method being called and the interstitial becoming
2428 // visible, while InterstitialPage::GetInterstitialPage() returns the
2429 // interstitial during that time, use the latter.
2430 InterstitialPage* interstitial =
2431 InterstitialPage::GetInterstitialPage(GetWebContents());
2432 if (interstitial)
2433 interstitial->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:122434
[email protected]83c2e232011-10-07 21:36:462435 DiscardNonCommittedEntries();
2436 return;
2437 }
2438
creisce0ef3572017-01-26 17:53:082439 // Compare FrameNavigationEntries to see which frames in the tree need to be
2440 // navigated.
clamy3cb9bea92018-07-10 12:42:022441 std::vector<std::unique_ptr<NavigationRequest>> same_document_loads;
2442 std::vector<std::unique_ptr<NavigationRequest>> different_document_loads;
creis4e2ecb72015-06-20 00:46:302443 if (GetLastCommittedEntry()) {
clamy3cb9bea92018-07-10 12:42:022444 FindFramesToNavigate(root, reload_type, &same_document_loads,
2445 &different_document_loads);
creis4e2ecb72015-06-20 00:46:302446 }
2447
2448 if (same_document_loads.empty() && different_document_loads.empty()) {
2449 // If we don't have any frames to navigate at this point, either
2450 // (1) there is no previous history entry to compare against, or
2451 // (2) we were unable to match any frames by name. In the first case,
2452 // doing a different document navigation to the root item is the only valid
2453 // thing to do. In the second case, we should have been able to find a
2454 // frame to navigate based on names if this were a same document
2455 // navigation, so we can safely assume this is the different document case.
clamy3cb9bea92018-07-10 12:42:022456 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422457 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572458 root, pending_entry_, pending_entry_->GetFrameEntry(root),
clamy3cb9bea92018-07-10 12:42:022459 reload_type, false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422460 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022461 if (!navigation_request) {
2462 // This navigation cannot start (e.g. the URL is invalid), delete the
2463 // pending NavigationEntry.
2464 DiscardPendingEntry(false);
2465 return;
2466 }
2467 different_document_loads.push_back(std::move(navigation_request));
creis4e2ecb72015-06-20 00:46:302468 }
2469
clamy3cb9bea92018-07-10 12:42:022470 // If an interstitial page is showing, the previous renderer is blocked and
2471 // cannot make new requests. Unblock (and disable) it to allow this
2472 // navigation to succeed. The interstitial will stay visible until the
2473 // resulting DidNavigate.
2474 // TODO(clamy): See if this can be removed now that PlzNavigate has shipped.
2475 // See https://crbug.com/849250
2476 if (delegate_->GetInterstitialPage()) {
2477 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
2478 ->CancelForNavigation();
2479 }
2480
2481 // This call does not support re-entrancy. See http://crbug.com/347742.
2482 CHECK(!in_navigate_to_pending_entry_);
2483 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:302484
2485 // Send all the same document frame loads before the different document loads.
clamy3cb9bea92018-07-10 12:42:022486 for (auto& item : same_document_loads) {
2487 FrameTreeNode* frame = item->frame_tree_node();
2488 frame->navigator()->Navigate(std::move(item), reload_type,
2489 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302490 }
clamy3cb9bea92018-07-10 12:42:022491 for (auto& item : different_document_loads) {
2492 FrameTreeNode* frame = item->frame_tree_node();
2493 frame->navigator()->Navigate(std::move(item), reload_type,
2494 pending_entry_->restore_type());
creis4e2ecb72015-06-20 00:46:302495 }
clamy3cb9bea92018-07-10 12:42:022496
2497 in_navigate_to_pending_entry_ = false;
creis4e2ecb72015-06-20 00:46:302498}
2499
2500void NavigationControllerImpl::FindFramesToNavigate(
2501 FrameTreeNode* frame,
clamy3cb9bea92018-07-10 12:42:022502 ReloadType reload_type,
2503 std::vector<std::unique_ptr<NavigationRequest>>* same_document_loads,
2504 std::vector<std::unique_ptr<NavigationRequest>>* different_document_loads) {
creis4e2ecb72015-06-20 00:46:302505 DCHECK(pending_entry_);
2506 DCHECK_GE(last_committed_entry_index_, 0);
2507 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
creis225a7432016-06-03 22:56:272508 // TODO(creis): Store the last committed FrameNavigationEntry to use here,
2509 // rather than assuming the NavigationEntry has up to date info on subframes.
creis4e2ecb72015-06-20 00:46:302510 FrameNavigationEntry* old_item =
2511 GetLastCommittedEntry()->GetFrameEntry(frame);
2512 if (!new_item)
2513 return;
2514
2515 // Schedule a load in this frame if the new item isn't for the same item
creis7115a702015-12-03 18:55:562516 // sequence number in the same SiteInstance. Newly restored items may not have
2517 // a SiteInstance yet, in which case it will be assigned on first commit.
creis4e2ecb72015-06-20 00:46:302518 if (!old_item ||
2519 new_item->item_sequence_number() != old_item->item_sequence_number() ||
creis7115a702015-12-03 18:55:562520 (new_item->site_instance() != nullptr &&
2521 new_item->site_instance() != old_item->site_instance())) {
creis54131692016-08-12 18:32:252522 // Same document loads happen if the previous item has the same document
2523 // sequence number. Note that we should treat them as different document if
2524 // the destination RenderFrameHost (which is necessarily the current
2525 // RenderFrameHost for same document navigations) doesn't have a last
2526 // committed page. This case can happen for Ctrl+Back or after a renderer
2527 // crash.
creis4e2ecb72015-06-20 00:46:302528 if (old_item &&
2529 new_item->document_sequence_number() ==
creis54131692016-08-12 18:32:252530 old_item->document_sequence_number() &&
Avi Drissman2eb7a482017-11-30 04:36:312531 !frame->current_frame_host()->GetLastCommittedURL().is_empty()) {
clamy3cb9bea92018-07-10 12:42:022532 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422533 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572534 frame, pending_entry_, new_item, reload_type,
clamy3cb9bea92018-07-10 12:42:022535 true /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422536 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022537 if (navigation_request) {
2538 // Only add the request if was properly created. It's possible for the
2539 // creation to fail in certain cases, e.g. when the URL is invalid.
2540 same_document_loads->push_back(std::move(navigation_request));
2541 }
avib48cb312016-05-05 21:35:002542
2543 // TODO(avi, creis): This is a bug; we should not return here. Rather, we
2544 // should continue on and navigate all child frames which have also
2545 // changed. This bug is the cause of <https://crbug.com/542299>, which is
2546 // a NC_IN_PAGE_NAVIGATION renderer kill.
2547 //
2548 // However, this bug is a bandaid over a deeper and worse problem. Doing a
2549 // pushState immediately after loading a subframe is a race, one that no
2550 // web page author expects. If we fix this bug, many large websites break.
2551 // For example, see <https://crbug.com/598043> and the spec discussion at
2552 // <https://github.com/whatwg/html/issues/1191>.
2553 //
2554 // For now, we accept this bug, and hope to resolve the race in a
2555 // different way that will one day allow us to fix this.
2556 return;
creis4e2ecb72015-06-20 00:46:302557 } else {
clamy3cb9bea92018-07-10 12:42:022558 std::unique_ptr<NavigationRequest> navigation_request =
Camille Lamy5193caa2018-10-12 11:59:422559 CreateNavigationRequestFromEntry(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572560 frame, pending_entry_, new_item, reload_type,
clamy3cb9bea92018-07-10 12:42:022561 false /* is_same_document_history_load */,
Camille Lamy5193caa2018-10-12 11:59:422562 false /* is_history_navigation_in_new_child */);
clamy3cb9bea92018-07-10 12:42:022563 if (navigation_request) {
2564 // Only add the request if was properly created. It's possible for the
2565 // creation to fail in certain cases, e.g. when the URL is invalid.
2566 different_document_loads->push_back(std::move(navigation_request));
2567 }
avib3b47ab2016-01-22 20:53:582568 // For a different document, the subframes will be destroyed, so there's
2569 // no need to consider them.
2570 return;
creis4e2ecb72015-06-20 00:46:302571 }
creis4e2ecb72015-06-20 00:46:302572 }
2573
2574 for (size_t i = 0; i < frame->child_count(); i++) {
clamy3cb9bea92018-07-10 12:42:022575 FindFramesToNavigate(frame->child_at(i), reload_type, same_document_loads,
creis4e2ecb72015-06-20 00:46:302576 different_document_loads);
2577 }
2578}
2579
clamy21718cc22018-06-13 13:34:242580void NavigationControllerImpl::NavigateWithoutEntry(
2581 const LoadURLParams& params) {
2582 // Find the appropriate FrameTreeNode.
2583 FrameTreeNode* node = nullptr;
2584 if (params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId ||
2585 !params.frame_name.empty()) {
2586 node = params.frame_tree_node_id != RenderFrameHost::kNoFrameTreeNodeId
2587 ? delegate_->GetFrameTree()->FindByID(params.frame_tree_node_id)
2588 : delegate_->GetFrameTree()->FindByName(params.frame_name);
2589 }
2590
2591 // If no FrameTreeNode was specified, navigate the main frame.
2592 if (!node)
2593 node = delegate_->GetFrameTree()->root();
2594
Camille Lamy5193caa2018-10-12 11:59:422595 // Compute overrides to the LoadURLParams for |override_user_agent|,
2596 // |should_replace_current_entry| and |has_user_gesture| that will be used
2597 // both in the creation of the NavigationEntry and the NavigationRequest.
2598 // Ideally, the LoadURLParams themselves would be updated, but since they are
2599 // passed as a const reference, this is not possible.
2600 // TODO(clamy): When we only create a NavigationRequest, move this to
2601 // CreateNavigationRequestFromLoadURLParams.
2602 bool override_user_agent = ShouldOverrideUserAgent(params.override_user_agent,
2603 GetLastCommittedEntry());
2604
2605 // Don't allow an entry replacement if there is no entry to replace.
2606 // http://crbug.com/457149
2607 bool should_replace_current_entry =
2608 params.should_replace_current_entry && entries_.size();
2609
2610 // Always propagate `has_user_gesture` on Android but only when the request
2611 // was originated by the renderer on other platforms. This is merely for
2612 // backward compatibility as browser process user gestures create confusion in
2613 // many tests.
2614 bool has_user_gesture = false;
2615#if defined(OS_ANDROID)
2616 has_user_gesture = params.has_user_gesture;
2617#else
2618 if (params.is_renderer_initiated)
2619 has_user_gesture = params.has_user_gesture;
2620#endif
2621
clamy21718cc22018-06-13 13:34:242622 // Javascript URLs should not create NavigationEntries. All other navigations
2623 // do, including navigations to chrome renderer debug URLs.
2624 std::unique_ptr<NavigationEntryImpl> entry;
2625 if (!params.url.SchemeIs(url::kJavaScriptScheme)) {
Camille Lamy5193caa2018-10-12 11:59:422626 entry = CreateNavigationEntryFromLoadParams(
2627 node, params, override_user_agent, should_replace_current_entry,
2628 has_user_gesture);
clamy21718cc22018-06-13 13:34:242629 DiscardPendingEntry(false);
2630 SetPendingEntry(std::move(entry));
2631 }
2632
2633 // Renderer-debug URLs are sent to the renderer process immediately for
2634 // processing and don't need to create a NavigationRequest.
2635 // Note: this includes navigations to JavaScript URLs, which are considered
2636 // renderer-debug URLs.
2637 // Note: we intentionally leave the pending entry in place for renderer debug
2638 // URLs, unlike the cases below where we clear it if the navigation doesn't
2639 // proceed.
2640 if (IsRendererDebugURL(params.url)) {
2641 HandleRendererDebugURL(node, params.url);
2642 return;
2643 }
2644
2645 // Convert navigations to the current URL to a reload.
2646 // TODO(clamy): We should be using FrameTreeNode::IsMainFrame here instead of
2647 // relying on the frame tree node id from LoadURLParams. Unfortunately,
2648 // DevTools sometimes issues navigations to main frames that they do not
2649 // expect to see treated as reload, and it only works because they pass a
2650 // FrameTreeNode id in their LoadURLParams. Change this once they no longer do
2651 // that. See https://crbug.com/850926.
2652 ReloadType reload_type = ReloadType::NONE;
2653 if (ShouldTreatNavigationAsReload(
2654 params.url, pending_entry_->GetVirtualURL(),
2655 params.base_url_for_data_url, params.transition_type,
2656 params.frame_tree_node_id == RenderFrameHost::kNoFrameTreeNodeId,
2657 params.load_type ==
2658 NavigationController::LOAD_TYPE_HTTP_POST /* is_post */,
2659 false /* is_reload */, false /* is_navigation_to_existing_entry */,
2660 transient_entry_index_ != -1 /* has_interstitial */,
2661 GetLastCommittedEntry())) {
2662 reload_type = ReloadType::NORMAL;
2663 }
2664
2665 // navigation_ui_data should only be present for main frame navigations.
2666 DCHECK(node->IsMainFrame() || !params.navigation_ui_data);
2667
clamy21718cc22018-06-13 13:34:242668 DCHECK(pending_entry_);
Camille Lamy5193caa2018-10-12 11:59:422669 std::unique_ptr<NavigationRequest> request =
2670 CreateNavigationRequestFromLoadParams(
2671 node, params, override_user_agent, should_replace_current_entry,
Charlie Harrison8c113a32019-01-07 16:08:292672 has_user_gesture, NavigationDownloadPolicy::kAllow, reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572673 pending_entry_, pending_entry_->GetFrameEntry(node));
clamy21718cc22018-06-13 13:34:242674
2675 // If the navigation couldn't start, return immediately and discard the
2676 // pending NavigationEntry.
2677 if (!request) {
2678 DiscardPendingEntry(false);
2679 return;
2680 }
2681
Camille Lamy5193caa2018-10-12 11:59:422682#if DCHECK_IS_ON()
2683 // Safety check that NavigationRequest and NavigationEntry match.
2684 ValidateRequestMatchesEntry(request.get(), pending_entry_);
2685#endif
2686
clamy21718cc22018-06-13 13:34:242687 // If an interstitial page is showing, the previous renderer is blocked and
2688 // cannot make new requests. Unblock (and disable) it to allow this
2689 // navigation to succeed. The interstitial will stay visible until the
2690 // resulting DidNavigate.
2691 if (delegate_->GetInterstitialPage()) {
2692 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
2693 ->CancelForNavigation();
2694 }
2695
2696 // This call does not support re-entrancy. See http://crbug.com/347742.
2697 CHECK(!in_navigate_to_pending_entry_);
2698 in_navigate_to_pending_entry_ = true;
2699
2700 node->navigator()->Navigate(std::move(request), reload_type,
2701 RestoreType::NONE);
2702
2703 in_navigate_to_pending_entry_ = false;
2704}
2705
clamyea99ea12018-05-28 13:54:232706void NavigationControllerImpl::HandleRendererDebugURL(
2707 FrameTreeNode* frame_tree_node,
2708 const GURL& url) {
2709 if (!frame_tree_node->current_frame_host()->IsRenderFrameLive()) {
clamy21718cc22018-06-13 13:34:242710 // Any renderer-side debug URLs or javascript: URLs should be ignored if
2711 // the renderer process is not live, unless it is the initial navigation
2712 // of the tab.
clamyea99ea12018-05-28 13:54:232713 if (!IsInitialNavigation()) {
2714 DiscardNonCommittedEntries();
2715 return;
2716 }
2717 frame_tree_node->render_manager()->InitializeRenderFrameIfNecessary(
2718 frame_tree_node->current_frame_host());
2719 }
2720 frame_tree_node->current_frame_host()->HandleRendererDebugURL(url);
2721}
2722
clamy21718cc22018-06-13 13:34:242723std::unique_ptr<NavigationEntryImpl>
2724NavigationControllerImpl::CreateNavigationEntryFromLoadParams(
2725 FrameTreeNode* node,
Camille Lamy5193caa2018-10-12 11:59:422726 const LoadURLParams& params,
2727 bool override_user_agent,
2728 bool should_replace_current_entry,
2729 bool has_user_gesture) {
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:392730 // Browser initiated navigations might not have a blob_url_loader_factory set
2731 // in params even if the navigation is to a blob URL. If that happens, lookup
2732 // the correct url loader factory to use here.
2733 auto blob_url_loader_factory = params.blob_url_loader_factory;
2734 if (!blob_url_loader_factory && blink::BlobUtils::MojoBlobURLsEnabled() &&
2735 params.url.SchemeIsBlob()) {
2736 blob_url_loader_factory = ChromeBlobStorageContext::URLLoaderFactoryForUrl(
2737 GetBrowserContext(), params.url);
2738 }
2739
clamy21718cc22018-06-13 13:34:242740 std::unique_ptr<NavigationEntryImpl> entry;
2741
2742 // For subframes, create a pending entry with a corresponding frame entry.
2743 if (!node->IsMainFrame()) {
2744 DCHECK(GetLastCommittedEntry());
2745
2746 // Create an identical NavigationEntry with a new FrameNavigationEntry for
2747 // the target subframe.
2748 entry = GetLastCommittedEntry()->Clone();
Nasko Oskov18006bc2018-12-06 02:53:582749
clamy21718cc22018-06-13 13:34:242750 entry->AddOrUpdateFrameEntry(
2751 node, -1, -1, nullptr,
2752 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()),
Nasko Oskov03912102019-01-11 00:21:322753 params.url, base::nullopt, params.referrer, params.redirect_chain,
2754 PageState(), "GET", -1, blob_url_loader_factory);
clamy21718cc22018-06-13 13:34:242755 } else {
2756 // Otherwise, create a pending entry for the main frame.
2757
2758 // extra_headers in params are \n separated; navigation entries want \r\n.
2759 std::string extra_headers_crlf;
2760 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
2761 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
2762 params.url, params.referrer, params.transition_type,
2763 params.is_renderer_initiated, extra_headers_crlf, browser_context_,
Marijn Kruisselbrink0c87e6e2018-06-22 22:57:392764 blob_url_loader_factory));
clamy21718cc22018-06-13 13:34:242765 entry->set_source_site_instance(
2766 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
2767 entry->SetRedirectChain(params.redirect_chain);
2768 }
2769
2770 // Set the FTN ID (only used in non-site-per-process, for tests).
2771 entry->set_frame_tree_node_id(node->frame_tree_node_id());
Camille Lamy5193caa2018-10-12 11:59:422772 entry->set_should_replace_entry(should_replace_current_entry);
clamy21718cc22018-06-13 13:34:242773 entry->set_should_clear_history_list(params.should_clear_history_list);
Camille Lamy5193caa2018-10-12 11:59:422774 entry->SetIsOverridingUserAgent(override_user_agent);
2775 entry->set_has_user_gesture(has_user_gesture);
clamy21718cc22018-06-13 13:34:242776
clamy21718cc22018-06-13 13:34:242777 switch (params.load_type) {
2778 case LOAD_TYPE_DEFAULT:
2779 break;
2780 case LOAD_TYPE_HTTP_POST:
2781 entry->SetHasPostData(true);
2782 entry->SetPostData(params.post_data);
2783 break;
2784 case LOAD_TYPE_DATA:
2785 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
2786 entry->SetVirtualURL(params.virtual_url_for_data_url);
2787#if defined(OS_ANDROID)
2788 entry->SetDataURLAsString(params.data_url_as_string);
2789#endif
2790 entry->SetCanLoadLocalResources(params.can_load_local_resources);
2791 break;
2792 default:
2793 NOTREACHED();
2794 break;
2795 }
2796
2797 // TODO(clamy): NavigationEntry is meant for information that will be kept
2798 // after the navigation ended and therefore is not appropriate for
2799 // started_from_context_menu. Move started_from_context_menu to
2800 // NavigationUIData.
2801 entry->set_started_from_context_menu(params.started_from_context_menu);
2802
2803 return entry;
2804}
2805
clamyea99ea12018-05-28 13:54:232806std::unique_ptr<NavigationRequest>
Camille Lamy5193caa2018-10-12 11:59:422807NavigationControllerImpl::CreateNavigationRequestFromLoadParams(
2808 FrameTreeNode* node,
2809 const LoadURLParams& params,
2810 bool override_user_agent,
2811 bool should_replace_current_entry,
2812 bool has_user_gesture,
Charlie Harrison8c113a32019-01-07 16:08:292813 NavigationDownloadPolicy download_policy,
Camille Lamy5193caa2018-10-12 11:59:422814 ReloadType reload_type,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572815 NavigationEntryImpl* entry,
Camille Lamy5193caa2018-10-12 11:59:422816 FrameNavigationEntry* frame_entry) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572817 DCHECK_EQ(-1, GetIndexOfEntry(entry));
Camille Lamyb9ed3c52018-11-19 15:34:282818 DCHECK(frame_entry);
Nasko Oskov3c2f9e252019-01-10 17:45:532819 // All renderer-initiated navigations must have an initiator_origin.
2820 DCHECK(!params.is_renderer_initiated || params.initiator_origin.has_value());
Camille Lamyff7c4822018-11-07 15:42:512821
Camille Lamy5193caa2018-10-12 11:59:422822 GURL url_to_load;
2823 GURL virtual_url;
Nasko Oskov03912102019-01-11 00:21:322824 base::Optional<url::Origin> origin_to_commit =
2825 frame_entry ? frame_entry->committed_origin() : base::nullopt;
2826
Camille Lamy2baa8022018-10-19 16:43:172827 // For main frames, rewrite the URL if necessary and compute the virtual URL
2828 // that should be shown in the address bar.
2829 if (node->IsMainFrame()) {
2830 bool reverse_on_redirect = false;
2831 RewriteUrlForNavigation(params.url, browser_context_, &url_to_load,
2832 &virtual_url, &reverse_on_redirect);
Camille Lamy5193caa2018-10-12 11:59:422833
Camille Lamy2baa8022018-10-19 16:43:172834 // For DATA loads, override the virtual URL.
2835 if (params.load_type == LOAD_TYPE_DATA)
2836 virtual_url = params.virtual_url_for_data_url;
Camille Lamy5193caa2018-10-12 11:59:422837
Camille Lamy2baa8022018-10-19 16:43:172838 if (virtual_url.is_empty())
2839 virtual_url = url_to_load;
2840
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572841 CHECK(virtual_url == entry->GetVirtualURL());
Camille Lamyb9ed3c52018-11-19 15:34:282842
2843 // This is a DCHECK and not a CHECK as URL rewrite has non-deterministic
2844 // behavior in the field: it is possible for two calls to
2845 // RewriteUrlForNavigation to return different results, leading to a
2846 // different URL in the NavigationRequest and FrameEntry. This will be fixed
2847 // once we remove the pending NavigationEntry, as we'll only make one call
2848 // to RewriteUrlForNavigation.
2849 DCHECK_EQ(url_to_load, frame_entry->url());
2850
Camille Lamy2baa8022018-10-19 16:43:172851 // TODO(clamy): In order to remove the pending NavigationEntry,
2852 // |virtual_url| and |reverse_on_redirect| should be stored in the
2853 // NavigationRequest.
2854 } else {
2855 url_to_load = params.url;
2856 virtual_url = params.url;
Camille Lamyf664f7622019-01-07 19:28:242857 CHECK(!frame_entry || url_to_load == frame_entry->url());
Camille Lamy2baa8022018-10-19 16:43:172858 }
Camille Lamy5193caa2018-10-12 11:59:422859
Ehsan Karamaddd9a4142018-12-04 20:38:202860 if (auto* rfh = node->current_frame_host()) {
2861 if (rfh->is_attaching_inner_delegate()) {
2862 // Avoid starting any new navigations since this node is now preparing for
2863 // attaching an inner delegate.
2864 return nullptr;
2865 }
2866 }
Camille Lamy5193caa2018-10-12 11:59:422867
Camille Lamy5193caa2018-10-12 11:59:422868 if (!IsValidURLForNavigation(node->IsMainFrame(), virtual_url, url_to_load))
2869 return nullptr;
2870
Nasko Oskov03912102019-01-11 00:21:322871 if (!DoesURLMatchOriginForNavigation(url_to_load, origin_to_commit)) {
2872 DCHECK(false) << " url:" << url_to_load
2873 << " origin:" << origin_to_commit.value();
2874 return nullptr;
2875 }
2876
Camille Lamy5193caa2018-10-12 11:59:422877 // Determine if Previews should be used for the navigation.
2878 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
2879 if (!node->IsMainFrame()) {
2880 // For subframes, use the state of the top-level frame.
2881 previews_state = node->frame_tree()
2882 ->root()
2883 ->current_frame_host()
2884 ->last_navigation_previews_state();
2885 }
2886
Camille Lamy5193caa2018-10-12 11:59:422887 // This will be used to set the Navigation Timing API navigationStart
2888 // parameter for browser navigations in new tabs (intents, tabs opened through
2889 // "Open link in new tab"). If the navigation must wait on the current
2890 // RenderFrameHost to execute its BeforeUnload event, the navigation start
2891 // will be updated when the BeforeUnload ack is received.
2892 base::TimeTicks navigation_start = base::TimeTicks::Now();
2893
2894 FrameMsg_Navigate_Type::Value navigation_type =
2895 GetNavigationType(node->current_url(), // old_url
2896 url_to_load, // new_url
2897 reload_type, // reload_type
2898 entry, // entry
2899 *frame_entry, // frame_entry
2900 false); // is_same_document_history_load
2901
2902 // Create the NavigationParams based on |params|.
2903
2904 bool is_view_source_mode = virtual_url.SchemeIs(kViewSourceScheme);
Charlie Harrison8c113a32019-01-07 16:08:292905
2906 // Update |download_policy| if the virtual URL is view-source. Why do this
2907 // now? Possibly the URL could be rewritten to a view-source via some URL
2908 // handler.
2909 if (is_view_source_mode)
2910 download_policy = NavigationDownloadPolicy::kDisallowViewSource;
2911
Camille Lamy5193caa2018-10-12 11:59:422912 const GURL& history_url_for_data_url =
2913 params.base_url_for_data_url.is_empty() ? GURL() : virtual_url;
2914 CommonNavigationParams common_params(
Nasko Oskov93e7c55c2018-12-19 01:59:292915 url_to_load, params.initiator_origin, params.referrer,
2916 params.transition_type, navigation_type, download_policy,
2917 should_replace_current_entry, params.base_url_for_data_url,
2918 history_url_for_data_url, previews_state, navigation_start,
Camille Lamy5193caa2018-10-12 11:59:422919 params.load_type == LOAD_TYPE_HTTP_POST ? "POST" : "GET",
2920 params.post_data, base::Optional<SourceLocation>(),
2921 params.started_from_context_menu, has_user_gesture, InitiatorCSPInfo(),
Anthony Vallee-Dubois93a11672018-11-21 16:44:422922 params.href_translate, params.input_start);
Camille Lamy5193caa2018-10-12 11:59:422923
Nasko Oskovc36327d2019-01-03 23:23:042924 CommitNavigationParams commit_params(
Nasko Oskov03912102019-01-11 00:21:322925 frame_entry->committed_origin(), override_user_agent,
2926 params.redirect_chain, common_params.url, common_params.method,
2927 params.can_load_local_resources, frame_entry->page_state(),
2928 entry->GetUniqueID(), false /* is_history_navigation_in_new_child */,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572929 entry->GetSubframeUniqueNames(node), true /* intended_as_new_entry */,
Camille Lamy5193caa2018-10-12 11:59:422930 -1 /* pending_history_list_offset */,
2931 params.should_clear_history_list ? -1 : GetLastCommittedEntryIndex(),
2932 params.should_clear_history_list ? 0 : GetEntryCount(),
2933 is_view_source_mode, params.should_clear_history_list);
2934#if defined(OS_ANDROID)
2935 if (ValidateDataURLAsString(params.data_url_as_string)) {
Nasko Oskovc36327d2019-01-03 23:23:042936 commit_params.data_url_as_string = params.data_url_as_string->data();
Camille Lamy5193caa2018-10-12 11:59:422937 }
2938#endif
2939
Nasko Oskovc36327d2019-01-03 23:23:042940 commit_params.was_activated = params.was_activated;
Camille Lamy5193caa2018-10-12 11:59:422941
2942 // A form submission may happen here if the navigation is a renderer-initiated
2943 // form submission that took the OpenURL path.
2944 scoped_refptr<network::ResourceRequestBody> request_body = params.post_data;
2945
2946 // extra_headers in params are \n separated; NavigationRequests want \r\n.
2947 std::string extra_headers_crlf;
2948 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
2949 return NavigationRequest::CreateBrowserInitiated(
Nasko Oskovc36327d2019-01-03 23:23:042950 node, common_params, commit_params, !params.is_renderer_initiated,
Camille Lamy5193caa2018-10-12 11:59:422951 extra_headers_crlf, *frame_entry, entry, request_body,
2952 params.navigation_ui_data ? params.navigation_ui_data->Clone() : nullptr);
2953}
2954
2955std::unique_ptr<NavigationRequest>
2956NavigationControllerImpl::CreateNavigationRequestFromEntry(
clamyea99ea12018-05-28 13:54:232957 FrameTreeNode* frame_tree_node,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572958 NavigationEntryImpl* entry,
clamyea99ea12018-05-28 13:54:232959 FrameNavigationEntry* frame_entry,
2960 ReloadType reload_type,
2961 bool is_same_document_history_load,
Camille Lamy5193caa2018-10-12 11:59:422962 bool is_history_navigation_in_new_child) {
clamyea99ea12018-05-28 13:54:232963 GURL dest_url = frame_entry->url();
Nasko Oskov03912102019-01-11 00:21:322964 base::Optional<url::Origin> origin_to_commit =
2965 frame_entry->committed_origin();
2966
clamyea99ea12018-05-28 13:54:232967 Referrer dest_referrer = frame_entry->referrer();
Ryan Sturmc4da1992018-07-17 16:59:012968 if (reload_type == ReloadType::ORIGINAL_REQUEST_URL &&
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572969 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
clamyea99ea12018-05-28 13:54:232970 // We may have been redirected when navigating to the current URL.
2971 // Use the URL the user originally intended to visit as signaled by the
2972 // ReloadType, if it's valid and if a POST wasn't involved; the latter
Ryan Sturmc4da1992018-07-17 16:59:012973 // case avoids issues with sending data to the wrong page.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572974 dest_url = entry->GetOriginalRequestURL();
clamyea99ea12018-05-28 13:54:232975 dest_referrer = Referrer();
Nasko Oskov03912102019-01-11 00:21:322976 origin_to_commit.reset();
clamyea99ea12018-05-28 13:54:232977 }
2978
Ehsan Karamaddd9a4142018-12-04 20:38:202979 if (auto* rfh = frame_tree_node->current_frame_host()) {
2980 if (rfh->is_attaching_inner_delegate()) {
2981 // Avoid starting any new navigations since this node is now preparing for
2982 // attaching an inner delegate.
2983 return nullptr;
2984 }
2985 }
2986
Camille Lamy5193caa2018-10-12 11:59:422987 if (!IsValidURLForNavigation(frame_tree_node->IsMainFrame(),
Lucas Furukawa Gadani5553a1582019-01-08 18:55:572988 entry->GetVirtualURL(), dest_url)) {
clamyea99ea12018-05-28 13:54:232989 return nullptr;
2990 }
2991
Nasko Oskov03912102019-01-11 00:21:322992 if (!DoesURLMatchOriginForNavigation(dest_url, origin_to_commit)) {
2993 DCHECK(false) << " url:" << dest_url
2994 << " origin:" << origin_to_commit.value();
2995 return nullptr;
2996 }
2997
clamyea99ea12018-05-28 13:54:232998 // Determine if Previews should be used for the navigation.
2999 PreviewsState previews_state = PREVIEWS_UNSPECIFIED;
3000 if (!frame_tree_node->IsMainFrame()) {
3001 // For subframes, use the state of the top-level frame.
3002 previews_state = frame_tree_node->frame_tree()
3003 ->root()
3004 ->current_frame_host()
3005 ->last_navigation_previews_state();
clamyea99ea12018-05-28 13:54:233006 }
3007
clamyea99ea12018-05-28 13:54:233008 // This will be used to set the Navigation Timing API navigationStart
3009 // parameter for browser navigations in new tabs (intents, tabs opened through
3010 // "Open link in new tab"). If the navigation must wait on the current
3011 // RenderFrameHost to execute its BeforeUnload event, the navigation start
3012 // will be updated when the BeforeUnload ack is received.
3013 base::TimeTicks navigation_start = base::TimeTicks::Now();
clamyea99ea12018-05-28 13:54:233014
3015 FrameMsg_Navigate_Type::Value navigation_type = GetNavigationType(
3016 frame_tree_node->current_url(), // old_url
3017 dest_url, // new_url
3018 reload_type, // reload_type
3019 entry, // entry
3020 *frame_entry, // frame_entry
3021 is_same_document_history_load); // is_same_document_history_load
Camille Lamy5193caa2018-10-12 11:59:423022
3023 // A form submission may happen here if the navigation is a
3024 // back/forward/reload navigation that does a form resubmission.
3025 scoped_refptr<network::ResourceRequestBody> request_body;
3026 std::string post_content_type;
3027 if (frame_entry->method() == "POST") {
3028 request_body = frame_entry->GetPostData(&post_content_type);
3029 // Might have a LF at end.
3030 post_content_type =
3031 base::TrimWhitespaceASCII(post_content_type, base::TRIM_ALL)
3032 .as_string();
3033 }
3034
3035 // Create the NavigationParams based on |entry| and |frame_entry|.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573036 CommonNavigationParams common_params = entry->ConstructCommonNavigationParams(
Camille Lamy5193caa2018-10-12 11:59:423037 *frame_entry, request_body, dest_url, dest_referrer, navigation_type,
3038 previews_state, navigation_start, base::TimeTicks() /* input_start */);
3039
3040 // TODO(clamy): |intended_as_new_entry| below should always be false once
3041 // Reload no longer leads to this being called for a pending NavigationEntry
3042 // of index -1.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573043 CommitNavigationParams commit_params = entry->ConstructCommitNavigationParams(
Nasko Oskov03912102019-01-11 00:21:323044 *frame_entry, common_params.url, origin_to_commit, common_params.method,
Nasko Oskovc36327d2019-01-03 23:23:043045 is_history_navigation_in_new_child,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573046 entry->GetSubframeUniqueNames(frame_tree_node),
Nasko Oskovc36327d2019-01-03 23:23:043047 GetPendingEntryIndex() == -1 /* intended_as_new_entry */,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573048 GetIndexOfEntry(entry), GetLastCommittedEntryIndex(), GetEntryCount());
Nasko Oskovc36327d2019-01-03 23:23:043049 commit_params.post_content_type = post_content_type;
Camille Lamy5193caa2018-10-12 11:59:423050
clamyea99ea12018-05-28 13:54:233051 return NavigationRequest::CreateBrowserInitiated(
Nasko Oskovc36327d2019-01-03 23:23:043052 frame_tree_node, common_params, commit_params,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573053 !entry->is_renderer_initiated(), entry->extra_headers(), *frame_entry,
Camille Lamy5193caa2018-10-12 11:59:423054 entry, request_body, nullptr /* navigation_ui_data */);
clamyea99ea12018-05-28 13:54:233055}
3056
[email protected]d202a7c2012-01-04 07:53:473057void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:213058 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:273059 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:403060
[email protected]2db9bd72012-04-13 20:20:563061 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:403062 // location bar will have up-to-date information about the security style
3063 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:133064 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:403065
[email protected]7f924832014-08-09 05:57:223066 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:573067 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:463068
[email protected]b0f724c2013-09-05 04:21:133069 // TODO(avi): Remove. http://crbug.com/170921
3070 NotificationDetails notification_details =
3071 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:213072 NotificationService::current()->Notify(
3073 NOTIFICATION_NAV_ENTRY_COMMITTED,
3074 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:403075 notification_details);
initial.commit09911bf2008-07-26 23:55:293076}
3077
initial.commit09911bf2008-07-26 23:55:293078// static
[email protected]d202a7c2012-01-04 07:53:473079size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:233080 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
3081 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:213082 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:233083}
3084
[email protected]d202a7c2012-01-04 07:53:473085void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:223086 if (is_active && needs_reload_)
3087 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:293088}
3089
[email protected]d202a7c2012-01-04 07:53:473090void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:293091 if (!needs_reload_)
3092 return;
3093
Bo Liucdfa4b12018-11-06 00:21:443094 UMA_HISTOGRAM_ENUMERATION("Navigation.LoadIfNecessaryType",
3095 needs_reload_type_);
3096
initial.commit09911bf2008-07-26 23:55:293097 // Calling Reload() results in ignoring state, and not loading.
3098 // Explicitly use NavigateToPendingEntry so that the renderer uses the
3099 // cached state.
avicc872d7242015-08-19 21:26:343100 if (pending_entry_) {
clamy3cb9bea92018-07-10 12:42:023101 NavigateToExistingPendingEntry(ReloadType::NONE);
avicc872d7242015-08-19 21:26:343102 } else if (last_committed_entry_index_ != -1) {
arthursonzogni5c4c202d2017-04-25 23:41:273103 pending_entry_ = entries_[last_committed_entry_index_].get();
avicc872d7242015-08-19 21:26:343104 pending_entry_index_ = last_committed_entry_index_;
clamy3cb9bea92018-07-10 12:42:023105 NavigateToExistingPendingEntry(ReloadType::NONE);
avicc872d7242015-08-19 21:26:343106 } else {
3107 // If there is something to reload, the successful reload will clear the
3108 // |needs_reload_| flag. Otherwise, just do it here.
3109 needs_reload_ = false;
3110 }
initial.commit09911bf2008-07-26 23:55:293111}
3112
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573113void NavigationControllerImpl::NotifyEntryChanged(NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:213114 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:093115 det.changed_entry = entry;
avi47179332015-05-20 21:01:113116 det.index = GetIndexOfEntry(
3117 NavigationEntryImpl::FromNavigationEntry(entry));
Sam McNally5c087a32017-08-25 01:46:143118 delegate_->NotifyNavigationEntryChanged(det);
initial.commit09911bf2008-07-26 23:55:293119}
3120
[email protected]d202a7c2012-01-04 07:53:473121void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:363122 RestoreType type) {
[email protected]a26023822011-12-29 00:23:553123 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:363124 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:293125
initial.commit09911bf2008-07-26 23:55:293126 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:293127}
[email protected]765b35502008-08-21 00:51:203128
[email protected]d202a7c2012-01-04 07:53:473129void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:453130 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:483131 DiscardTransientEntry();
3132}
3133
[email protected]d202a7c2012-01-04 07:53:473134void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473135 if (transient_entry_index_ == -1)
3136 return;
[email protected]a0e69262009-06-03 19:08:483137 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:183138 if (last_committed_entry_index_ > transient_entry_index_)
3139 last_committed_entry_index_--;
arthursonzogni5c4c202d2017-04-25 23:41:273140 if (pending_entry_index_ > transient_entry_index_)
3141 pending_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:473142 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:203143}
3144
avi7c6f35e2015-05-08 17:52:383145int NavigationControllerImpl::GetEntryIndexWithUniqueID(
3146 int nav_entry_id) const {
3147 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
3148 if (entries_[i]->GetUniqueID() == nav_entry_id)
3149 return i;
3150 }
3151 return -1;
3152}
3153
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573154NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:473155 if (transient_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:283156 return nullptr;
avif16f85a72015-11-13 18:25:033157 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:473158}
[email protected]e1cd5452010-08-26 18:03:253159
avi25764702015-06-23 15:43:373160void NavigationControllerImpl::SetTransientEntry(
dcheng9bfa5162016-04-09 01:00:573161 std::unique_ptr<NavigationEntry> entry) {
[email protected]0b684262013-02-20 02:18:213162 // Discard any current transient entry, we can only have one at a time.
3163 int index = 0;
3164 if (last_committed_entry_index_ != -1)
3165 index = last_committed_entry_index_ + 1;
3166 DiscardTransientEntry();
avi25764702015-06-23 15:43:373167 entries_.insert(entries_.begin() + index,
dcheng36b6aec92015-12-26 06:16:363168 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
arthursonzogni5c4c202d2017-04-25 23:41:273169 if (pending_entry_index_ >= index)
3170 pending_entry_index_++;
[email protected]0b684262013-02-20 02:18:213171 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:223172 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:213173}
3174
[email protected]d202a7c2012-01-04 07:53:473175void NavigationControllerImpl::InsertEntriesFrom(
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573176 NavigationControllerImpl* source,
[email protected]e1cd5452010-08-26 18:03:253177 int max_index) {
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573178 DCHECK_LE(max_index, source->GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:253179 size_t insert_index = 0;
3180 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:353181 // When cloning a tab, copy all entries except interstitial pages.
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573182 if (source->entries_[i]->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
creisef4a0cb2015-03-12 19:14:353183 // TODO(creis): Once we start sharing FrameNavigationEntries between
3184 // NavigationEntries, it will not be safe to share them with another tab.
3185 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:253186 entries_.insert(entries_.begin() + insert_index++,
Lucas Furukawa Gadani5553a1582019-01-08 18:55:573187 source->entries_[i]->Clone());
[email protected]e1cd5452010-08-26 18:03:253188 }
3189 }
arthursonzogni5c4c202d2017-04-25 23:41:273190 DCHECK(pending_entry_index_ == -1 ||
3191 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
[email protected]e1cd5452010-08-26 18:03:253192}
[email protected]c5b88d82012-10-06 17:03:333193
3194void NavigationControllerImpl::SetGetTimestampCallbackForTest(
3195 const base::Callback<base::Time()>& get_timestamp_callback) {
3196 get_timestamp_callback_ = get_timestamp_callback;
3197}
[email protected]8ff00d72012-10-23 19:12:213198
Arthur Sonzogni620cec62018-12-13 13:08:573199// BackForwardCache:
3200void NavigationControllerImpl::CommitRestoreFromBackForwardCache() {
3201 // TODO(arthursonzogni): Extract the missing parts from RendererDidNavigate()
3202 // and reuse them.
3203 LoadCommittedDetails details;
3204 details.previous_entry_index = GetCurrentEntryIndex();
3205 details.entry = pending_entry_;
3206 details.type = NAVIGATION_TYPE_EXISTING_PAGE;
3207 details.is_main_frame = true;
3208 details.http_status_code = net::HTTP_OK;
3209 details.did_replace_entry = false;
3210 details.is_same_document = false;
3211
3212 last_committed_entry_index_ = pending_entry_index_;
3213 DiscardPendingEntry(false);
3214
3215 // Notify content/ embedder of the history update.
3216 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
3217 delegate_->NotifyNavigationEntryCommitted(details);
3218}
3219
[email protected]8ff00d72012-10-23 19:12:213220} // namespace content