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render_frame_impl.cc
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render_frame_impl.cc
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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/render_frame_impl.h"
#include <map>
#include <string>
#include <utility>
#include <vector>
#include "base/auto_reset.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/debug/alias.h"
#include "base/debug/asan_invalid_access.h"
#include "base/debug/crash_logging.h"
#include "base/debug/dump_without_crashing.h"
#include "base/files/file.h"
#include "base/i18n/char_iterator.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/memory/shared_memory.h"
#include "base/memory/weak_ptr.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram_macros.h"
#include "base/process/process.h"
#include "base/stl_util.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task_runner_util.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "cc/base/switches.h"
#include "content/child/appcache/appcache_dispatcher.h"
#include "content/child/feature_policy/feature_policy_platform.h"
#include "content/child/quota_dispatcher.h"
#include "content/child/request_extra_data.h"
#include "content/child/service_worker/service_worker_handle_reference.h"
#include "content/child/service_worker/service_worker_network_provider.h"
#include "content/child/service_worker/service_worker_provider_context.h"
#include "content/child/service_worker/web_service_worker_provider_impl.h"
#include "content/child/v8_value_converter_impl.h"
#include "content/child/web_url_loader_impl.h"
#include "content/child/web_url_request_util.h"
#include "content/child/webmessageportchannel_impl.h"
#include "content/child/weburlresponse_extradata_impl.h"
#include "content/common/accessibility_messages.h"
#include "content/common/associated_interface_provider_impl.h"
#include "content/common/associated_interfaces.mojom.h"
#include "content/common/clipboard_messages.h"
#include "content/common/content_constants_internal.h"
#include "content/common/content_security_policy/csp_context.h"
#include "content/common/content_security_policy_header.h"
#include "content/common/download/mhtml_save_status.h"
#include "content/common/edit_command.h"
#include "content/common/frame_messages.h"
#include "content/common/frame_owner_properties.h"
#include "content/common/frame_replication_state.h"
#include "content/common/input_messages.h"
#include "content/common/navigation_params.h"
#include "content/common/page_messages.h"
#include "content/common/savable_subframe.h"
#include "content/common/service_worker/service_worker_types.h"
#include "content/common/site_isolation_policy.h"
#include "content/common/swapped_out_messages.h"
#include "content/common/view_messages.h"
#include "content/public/common/appcache_info.h"
#include "content/public/common/associated_interface_provider.h"
#include "content/public/common/bindings_policy.h"
#include "content/public/common/browser_side_navigation_policy.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/context_menu_params.h"
#include "content/public/common/file_chooser_file_info.h"
#include "content/public/common/file_chooser_params.h"
#include "content/public/common/isolated_world_ids.h"
#include "content/public/common/page_state.h"
#include "content/public/common/resource_response.h"
#include "content/public/common/service_manager_connection.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/url_utils.h"
#include "content/public/renderer/browser_plugin_delegate.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/public/renderer/context_menu_client.h"
#include "content/public/renderer/document_state.h"
#include "content/public/renderer/navigation_state.h"
#include "content/public/renderer/render_frame_observer.h"
#include "content/public/renderer/renderer_ppapi_host.h"
#include "content/renderer/accessibility/render_accessibility_impl.h"
#include "content/renderer/browser_plugin/browser_plugin.h"
#include "content/renderer/browser_plugin/browser_plugin_manager.h"
#include "content/renderer/child_frame_compositing_helper.h"
#include "content/renderer/content_security_policy_util.h"
#include "content/renderer/context_menu_params_builder.h"
#include "content/renderer/devtools/devtools_agent.h"
#include "content/renderer/dom_automation_controller.h"
#include "content/renderer/effective_connection_type_helper.h"
#include "content/renderer/external_popup_menu.h"
#include "content/renderer/frame_owner_properties.h"
#include "content/renderer/gpu/gpu_benchmarking_extension.h"
#include "content/renderer/history_entry.h"
#include "content/renderer/history_serialization.h"
#include "content/renderer/image_downloader/image_downloader_impl.h"
#include "content/renderer/ime_event_guard.h"
#include "content/renderer/input/input_handler_manager.h"
#include "content/renderer/installedapp/related_apps_fetcher.h"
#include "content/renderer/internal_document_state_data.h"
#include "content/renderer/manifest/manifest_manager.h"
#include "content/renderer/media/audio_device_factory.h"
#include "content/renderer/media/media_devices_listener_impl.h"
#include "content/renderer/media/media_permission_dispatcher.h"
#include "content/renderer/media/media_stream_dispatcher.h"
#include "content/renderer/media/media_stream_renderer_factory_impl.h"
#include "content/renderer/media/render_media_log.h"
#include "content/renderer/media/renderer_webmediaplayer_delegate.h"
#include "content/renderer/media/user_media_client_impl.h"
#include "content/renderer/media/web_media_element_source_utils.h"
#include "content/renderer/media/webmediaplayer_ms.h"
#include "content/renderer/mojo/blink_connector_js_wrapper.h"
#include "content/renderer/mojo/blink_interface_registry_impl.h"
#include "content/renderer/mojo/interface_provider_js_wrapper.h"
#include "content/renderer/mojo_bindings_controller.h"
#include "content/renderer/navigation_state_impl.h"
#include "content/renderer/pepper/pepper_audio_controller.h"
#include "content/renderer/pepper/plugin_instance_throttler_impl.h"
#include "content/renderer/presentation/presentation_dispatcher.h"
#include "content/renderer/push_messaging/push_messaging_client.h"
#include "content/renderer/render_frame_proxy.h"
#include "content/renderer/render_process.h"
#include "content/renderer/render_thread_impl.h"
#include "content/renderer/render_view_impl.h"
#include "content/renderer/render_widget_fullscreen_pepper.h"
#include "content/renderer/renderer_blink_platform_impl.h"
#include "content/renderer/renderer_webapplicationcachehost_impl.h"
#include "content/renderer/renderer_webcolorchooser_impl.h"
#include "content/renderer/savable_resources.h"
#include "content/renderer/screen_orientation/screen_orientation_dispatcher.h"
#include "content/renderer/shared_worker/shared_worker_repository.h"
#include "content/renderer/shared_worker/websharedworker_proxy.h"
#include "content/renderer/skia_benchmarking_extension.h"
#include "content/renderer/stats_collection_controller.h"
#include "content/renderer/web_frame_utils.h"
#include "content/renderer/web_ui_extension.h"
#include "content/renderer/web_ui_extension_data.h"
#include "crypto/sha2.h"
#include "gin/modules/console.h"
#include "gin/modules/module_registry.h"
#include "media/audio/audio_output_device.h"
#include "media/base/audio_renderer_mixer_input.h"
#include "media/base/cdm_factory.h"
#include "media/base/decoder_factory.h"
#include "media/base/media.h"
#include "media/base/media_log.h"
#include "media/base/media_switches.h"
#include "media/blink/url_index.h"
#include "media/blink/webencryptedmediaclient_impl.h"
#include "media/blink/webmediaplayer_impl.h"
#include "media/media_features.h"
#include "media/renderers/gpu_video_accelerator_factories.h"
#include "mojo/edk/js/core.h"
#include "mojo/edk/js/support.h"
#include "net/base/data_url.h"
#include "net/base/load_flags.h"
#include "net/base/net_errors.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "net/http/http_util.h"
#include "ppapi/features/features.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "services/service_manager/public/cpp/interface_registry.h"
#include "services/ui/public/cpp/gpu/context_provider_command_buffer.h"
#include "storage/common/data_element.h"
#include "third_party/WebKit/public/platform/FilePathConversion.h"
#include "third_party/WebKit/public/platform/URLConversion.h"
#include "third_party/WebKit/public/platform/WebCachePolicy.h"
#include "third_party/WebKit/public/platform/WebData.h"
#include "third_party/WebKit/public/platform/WebKeyboardEvent.h"
#include "third_party/WebKit/public/platform/WebMediaPlayer.h"
#include "third_party/WebKit/public/platform/WebMediaPlayerSource.h"
#include "third_party/WebKit/public/platform/WebPoint.h"
#include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
#include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
#include "third_party/WebKit/public/platform/WebString.h"
#include "third_party/WebKit/public/platform/WebURL.h"
#include "third_party/WebKit/public/platform/WebURLError.h"
#include "third_party/WebKit/public/platform/WebURLResponse.h"
#include "third_party/WebKit/public/platform/WebVector.h"
#include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerNetworkProvider.h"
#include "third_party/WebKit/public/platform/scheduler/renderer/renderer_scheduler.h"
#include "third_party/WebKit/public/web/WebColorSuggestion.h"
#include "third_party/WebKit/public/web/WebConsoleMessage.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebFindOptions.h"
#include "third_party/WebKit/public/web/WebFrameOwnerProperties.h"
#include "third_party/WebKit/public/web/WebFrameSerializer.h"
#include "third_party/WebKit/public/web/WebFrameSerializerCacheControlPolicy.h"
#include "third_party/WebKit/public/web/WebFrameWidget.h"
#include "third_party/WebKit/public/web/WebInputMethodController.h"
#include "third_party/WebKit/public/web/WebKit.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
#include "third_party/WebKit/public/web/WebNavigationPolicy.h"
#include "third_party/WebKit/public/web/WebPlugin.h"
#include "third_party/WebKit/public/web/WebPluginContainer.h"
#include "third_party/WebKit/public/web/WebPluginDocument.h"
#include "third_party/WebKit/public/web/WebPluginParams.h"
#include "third_party/WebKit/public/web/WebRange.h"
#include "third_party/WebKit/public/web/WebScopedUserGesture.h"
#include "third_party/WebKit/public/web/WebScriptSource.h"
#include "third_party/WebKit/public/web/WebSearchableFormData.h"
#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
#include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
#include "third_party/WebKit/public/web/WebSettings.h"
#include "third_party/WebKit/public/web/WebSurroundingText.h"
#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "third_party/WebKit/public/web/WebWidget.h"
#include "ui/events/base_event_utils.h"
#include "url/origin.h"
#include "url/url_constants.h"
#include "url/url_util.h"
#if BUILDFLAG(ENABLE_PLUGINS)
#include "content/renderer/pepper/pepper_browser_connection.h"
#include "content/renderer/pepper/pepper_plugin_instance_impl.h"
#include "content/renderer/pepper/pepper_plugin_registry.h"
#include "content/renderer/pepper/pepper_webplugin_impl.h"
#include "content/renderer/pepper/plugin_module.h"
#endif
#if BUILDFLAG(ENABLE_WEBRTC)
#include "content/renderer/media/rtc_peer_connection_handler.h"
#endif
#if defined(OS_ANDROID)
#include <cpu-features.h>
#include "content/renderer/java/gin_java_bridge_dispatcher.h"
#include "content/renderer/media/android/media_player_renderer_client_factory.h"
#include "content/renderer/media/android/renderer_media_player_manager.h"
#include "content/renderer/media/android/renderer_surface_view_manager.h"
#include "content/renderer/media/android/stream_texture_factory.h"
#include "content/renderer/media/android/stream_texture_wrapper_impl.h"
#include "media/base/android/media_codec_util.h"
#include "third_party/WebKit/public/platform/WebFloatPoint.h"
#endif
#if BUILDFLAG(ENABLE_PEPPER_CDMS)
#include "content/renderer/media/cdm/pepper_cdm_wrapper_impl.h"
#include "content/renderer/media/cdm/render_cdm_factory.h"
#endif
#if defined(ENABLE_MOJO_MEDIA)
#include "content/renderer/media/media_interface_provider.h"
#endif
#if defined(ENABLE_MOJO_CDM)
#include "media/mojo/clients/mojo_cdm_factory.h" // nogncheck
#endif
#if defined(ENABLE_MOJO_RENDERER)
#include "media/mojo/clients/mojo_renderer_factory.h" // nogncheck
#endif
#if !defined(ENABLE_MOJO_RENDERER) || \
BUILDFLAG(ENABLE_RUNTIME_MEDIA_RENDERER_SELECTION)
#include "media/renderers/default_renderer_factory.h" // nogncheck
#endif
#if defined(ENABLE_MOJO_AUDIO_DECODER) || defined(ENABLE_MOJO_VIDEO_DECODER)
#include "media/mojo/clients/mojo_decoder_factory.h" // nogncheck
#endif
#if BUILDFLAG(ENABLE_MEDIA_REMOTING)
#include "content/renderer/image_downloader/single_image_downloader.h" // nogncheck
#include "media/remoting/adaptive_renderer_factory.h" // nogncheck
#include "media/remoting/remoting_cdm_controller.h" // nogncheck
#include "media/remoting/remoting_cdm_factory.h" // nogncheck
#include "media/remoting/renderer_controller.h" // nogncheck
#include "media/remoting/shared_session.h" // nogncheck
#include "media/remoting/sink_availability_observer.h" // nogncheck
#endif
using base::Time;
using base::TimeDelta;
using blink::WebCachePolicy;
using blink::WebContentDecryptionModule;
using blink::WebContextMenuData;
using blink::WebCString;
using blink::WebData;
using blink::WebDataSource;
using blink::WebDocument;
using blink::WebDOMEvent;
using blink::WebDOMMessageEvent;
using blink::WebElement;
using blink::WebExternalPopupMenu;
using blink::WebExternalPopupMenuClient;
using blink::WebFindOptions;
using blink::WebFrame;
using blink::WebFrameLoadType;
using blink::WebFrameSerializer;
using blink::WebFrameSerializerClient;
using blink::WebHistoryItem;
using blink::WebHTTPBody;
using blink::WebLocalFrame;
using blink::WebMediaPlayer;
using blink::WebMediaPlayerClient;
using blink::WebMediaPlayerEncryptedMediaClient;
using blink::WebNavigationPolicy;
using blink::WebNavigationType;
using blink::WebNode;
using blink::WebPluginDocument;
using blink::WebPluginParams;
using blink::WebPoint;
using blink::WebPopupMenuInfo;
using blink::WebRange;
using blink::WebRect;
using blink::WebReferrerPolicy;
using blink::WebScriptSource;
using blink::WebSearchableFormData;
using blink::WebSecurityOrigin;
using blink::WebSecurityPolicy;
using blink::WebSerializedScriptValue;
using blink::WebServiceWorkerProvider;
using blink::WebSettings;
using blink::WebStorageQuotaCallbacks;
using blink::WebString;
using blink::WebThreadSafeData;
using blink::WebURL;
using blink::WebURLError;
using blink::WebURLRequest;
using blink::WebURLResponse;
using blink::WebUserGestureIndicator;
using blink::WebVector;
using blink::WebView;
#if defined(OS_ANDROID)
using blink::WebFloatPoint;
using blink::WebFloatRect;
#endif
#define STATIC_ASSERT_ENUM(a, b) \
static_assert(static_cast<int>(a) == static_cast<int>(b), \
"mismatching enums: " #a)
namespace content {
namespace {
const int kExtraCharsBeforeAndAfterSelection = 100;
typedef std::map<int, RenderFrameImpl*> RoutingIDFrameMap;
static base::LazyInstance<RoutingIDFrameMap>::DestructorAtExit
g_routing_id_frame_map = LAZY_INSTANCE_INITIALIZER;
typedef std::map<blink::WebFrame*, RenderFrameImpl*> FrameMap;
base::LazyInstance<FrameMap>::DestructorAtExit g_frame_map =
LAZY_INSTANCE_INITIALIZER;
int64_t ExtractPostId(const WebHistoryItem& item) {
if (item.isNull() || item.httpBody().isNull())
return -1;
return item.httpBody().identifier();
}
WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
const WebURLResponse& response) {
return static_cast<WebURLResponseExtraDataImpl*>(response.getExtraData());
}
void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
WebVector<WebURL> urls;
ds->redirectChain(urls);
result->reserve(urls.size());
for (size_t i = 0; i < urls.size(); ++i) {
result->push_back(urls[i]);
}
}
// Gets URL that should override the default getter for this data source
// (if any), storing it in |output|. Returns true if there is an override URL.
bool MaybeGetOverriddenURL(WebDataSource* ds, GURL* output) {
DocumentState* document_state = DocumentState::FromDataSource(ds);
// If load was from a data URL, then the saved data URL, not the history
// URL, should be the URL of the data source.
if (document_state->was_load_data_with_base_url_request()) {
*output = document_state->data_url();
return true;
}
// WebDataSource has unreachable URL means that the frame is loaded through
// blink::WebFrame::loadData(), and the base URL will be in the redirect
// chain. However, we never visited the baseURL. So in this case, we should
// use the unreachable URL as the original URL.
if (ds->hasUnreachableURL()) {
*output = ds->unreachableURL();
return true;
}
return false;
}
// Returns the original request url. If there is no redirect, the original
// url is the same as ds->getRequest()->url(). If the WebDataSource belongs to a
// frame was loaded by loadData, the original url will be ds->unreachableURL()
GURL GetOriginalRequestURL(WebDataSource* ds) {
GURL overriden_url;
if (MaybeGetOverriddenURL(ds, &overriden_url))
return overriden_url;
std::vector<GURL> redirects;
GetRedirectChain(ds, &redirects);
if (!redirects.empty())
return redirects.at(0);
return ds->originalRequest().url();
}
bool IsBrowserInitiated(NavigationParams* pending) {
// A navigation resulting from loading a javascript URL should not be treated
// as a browser initiated event. Instead, we want it to look as if the page
// initiated any load resulting from JS execution.
return pending &&
!pending->common_params.url.SchemeIs(url::kJavaScriptScheme);
}
NOINLINE void ExhaustMemory() {
volatile void* ptr = nullptr;
do {
ptr = malloc(0x10000000);
base::debug::Alias(&ptr);
} while (ptr);
}
NOINLINE void CrashIntentionally() {
// NOTE(shess): Crash directly rather than using NOTREACHED() so
// that the signature is easier to triage in crash reports.
//
// Linker's ICF feature may merge this function with other functions with the
// same definition and it may confuse the crash report processing system.
static int static_variable_to_make_this_function_unique = 0;
base::debug::Alias(&static_variable_to_make_this_function_unique);
volatile int* zero = nullptr;
*zero = 0;
}
NOINLINE void BadCastCrashIntentionally() {
class A {
virtual void f() {}
};
class B {
virtual void f() {}
};
A a;
(void)(B*)&a;
}
#if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
NOINLINE void MaybeTriggerAsanError(const GURL& url) {
// NOTE(rogerm): We intentionally perform an invalid heap access here in
// order to trigger an Address Sanitizer (ASAN) error report.
const char kCrashDomain[] = "crash";
const char kHeapOverflow[] = "/heap-overflow";
const char kHeapUnderflow[] = "/heap-underflow";
const char kUseAfterFree[] = "/use-after-free";
#if defined(SYZYASAN)
const char kCorruptHeapBlock[] = "/corrupt-heap-block";
const char kCorruptHeap[] = "/corrupt-heap";
#endif
if (!url.DomainIs(kCrashDomain))
return;
if (!url.has_path())
return;
std::string crash_type(url.path());
if (crash_type == kHeapOverflow) {
LOG(ERROR)
<< "Intentionally causing ASAN heap overflow"
<< " because user navigated to " << url.spec();
base::debug::AsanHeapOverflow();
} else if (crash_type == kHeapUnderflow) {
LOG(ERROR)
<< "Intentionally causing ASAN heap underflow"
<< " because user navigated to " << url.spec();
base::debug::AsanHeapUnderflow();
} else if (crash_type == kUseAfterFree) {
LOG(ERROR)
<< "Intentionally causing ASAN heap use-after-free"
<< " because user navigated to " << url.spec();
base::debug::AsanHeapUseAfterFree();
#if defined(SYZYASAN)
} else if (crash_type == kCorruptHeapBlock) {
LOG(ERROR)
<< "Intentionally causing ASAN corrupt heap block"
<< " because user navigated to " << url.spec();
base::debug::AsanCorruptHeapBlock();
} else if (crash_type == kCorruptHeap) {
LOG(ERROR)
<< "Intentionally causing ASAN corrupt heap"
<< " because user navigated to " << url.spec();
base::debug::AsanCorruptHeap();
#endif
}
}
#endif // ADDRESS_SANITIZER || SYZYASAN
void MaybeHandleDebugURL(const GURL& url) {
if (!url.SchemeIs(kChromeUIScheme))
return;
if (url == kChromeUIBadCastCrashURL) {
LOG(ERROR)
<< "Intentionally crashing (with bad cast)"
<< " because user navigated to " << url.spec();
BadCastCrashIntentionally();
} else if (url == kChromeUICrashURL) {
LOG(ERROR) << "Intentionally crashing (with null pointer dereference)"
<< " because user navigated to " << url.spec();
CrashIntentionally();
} else if (url == kChromeUIDumpURL) {
// This URL will only correctly create a crash dump file if content is
// hosted in a process that has correctly called
// base::debug::SetDumpWithoutCrashingFunction. Refer to the documentation
// of base::debug::DumpWithoutCrashing for more details.
base::debug::DumpWithoutCrashing();
} else if (url == kChromeUIKillURL) {
LOG(ERROR) << "Intentionally issuing kill signal to current process"
<< " because user navigated to " << url.spec();
base::Process::Current().Terminate(1, false);
} else if (url == kChromeUIHangURL) {
LOG(ERROR) << "Intentionally hanging ourselves with sleep infinite loop"
<< " because user navigated to " << url.spec();
for (;;) {
base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
}
} else if (url == kChromeUIShorthangURL) {
LOG(ERROR) << "Intentionally sleeping renderer for 20 seconds"
<< " because user navigated to " << url.spec();
base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
} else if (url == kChromeUIMemoryExhaustURL) {
LOG(ERROR)
<< "Intentionally exhausting renderer memory because user navigated to "
<< url.spec();
ExhaustMemory();
} else if (url == kChromeUICheckCrashURL) {
LOG(ERROR)
<< "Intentionally causing CHECK because user navigated to "
<< url.spec();
CHECK(false);
}
#if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
MaybeTriggerAsanError(url);
#endif // ADDRESS_SANITIZER || SYZYASAN
}
// Returns false unless this is a top-level navigation.
bool IsTopLevelNavigation(WebFrame* frame) {
return frame->parent() == NULL;
}
WebURLRequest CreateURLRequestForNavigation(
const CommonNavigationParams& common_params,
const RequestNavigationParams& request_params,
std::unique_ptr<StreamOverrideParameters> stream_override,
bool is_view_source_mode_enabled,
bool is_same_document_navigation) {
// PlzNavigate: use the original navigation url to construct the
// WebURLRequest. The WebURLloaderImpl will replay the redirects afterwards
// and will eventually commit the final url.
const GURL navigation_url = IsBrowserSideNavigationEnabled() &&
!request_params.original_url.is_empty()
? request_params.original_url
: common_params.url;
const std::string navigation_method =
IsBrowserSideNavigationEnabled() &&
!request_params.original_method.empty()
? request_params.original_method
: common_params.method;
WebURLRequest request(navigation_url);
request.setHTTPMethod(WebString::fromUTF8(navigation_method));
if (is_view_source_mode_enabled)
request.setCachePolicy(WebCachePolicy::ReturnCacheDataElseLoad);
if (common_params.referrer.url.is_valid()) {
WebString web_referrer = WebSecurityPolicy::generateReferrerHeader(
common_params.referrer.policy, common_params.url,
WebString::fromUTF8(common_params.referrer.url.spec()));
if (!web_referrer.isEmpty()) {
request.setHTTPReferrer(web_referrer, common_params.referrer.policy);
request.addHTTPOriginIfNeeded(
WebSecurityOrigin(url::Origin(common_params.referrer.url)));
}
}
request.setIsSameDocumentNavigation(is_same_document_navigation);
request.setPreviewsState(
static_cast<WebURLRequest::PreviewsState>(common_params.previews_state));
RequestExtraData* extra_data = new RequestExtraData();
extra_data->set_stream_override(std::move(stream_override));
extra_data->set_navigation_initiated_by_renderer(
request_params.nav_entry_id == 0);
request.setExtraData(extra_data);
// Set the ui timestamp for this navigation. Currently the timestamp here is
// only non empty when the navigation was triggered by an Android intent. The
// timestamp is converted to a double version supported by blink. It will be
// passed back to the browser in the DidCommitProvisionalLoad and the
// DocumentLoadComplete IPCs.
base::TimeDelta ui_timestamp = common_params.ui_timestamp - base::TimeTicks();
request.setUiStartTime(ui_timestamp.InSecondsF());
request.setInputPerfMetricReportPolicy(
static_cast<WebURLRequest::InputToLoadPerfMetricReportPolicy>(
common_params.report_type));
return request;
}
// Sanitizes the navigation_start timestamp for browser-initiated navigations,
// where the browser possibly has a better notion of start time than the
// renderer. In the case of cross-process navigations, this carries over the
// time of finishing the onbeforeunload handler of the previous page.
// TimeTicks is sometimes not monotonic across processes, and because
// |browser_navigation_start| is likely before this process existed,
// InterProcessTimeTicksConverter won't help. The timestamp is sanitized by
// clamping it to renderer_navigation_start, initialized earlier in the call
// stack.
base::TimeTicks SanitizeNavigationTiming(
const base::TimeTicks& browser_navigation_start,
const base::TimeTicks& renderer_navigation_start) {
DCHECK(!browser_navigation_start.is_null());
return std::min(browser_navigation_start, renderer_navigation_start);
}
// PlzNavigate
CommonNavigationParams MakeCommonNavigationParams(
const blink::WebFrameClient::NavigationPolicyInfo& info,
int load_flags) {
Referrer referrer(
GURL(info.urlRequest.httpHeaderField(
WebString::fromUTF8("Referer")).latin1()),
info.urlRequest.getReferrerPolicy());
// Set the ui timestamp for this navigation. Currently the timestamp here is
// only non empty when the navigation was triggered by an Android intent, or
// by the user clicking on a link. The timestamp is converted from a double
// version supported by blink. It will be passed back to the renderer in the
// CommitNavigation IPC, and then back to the browser again in the
// DidCommitProvisionalLoad and the DocumentLoadComplete IPCs.
base::TimeTicks ui_timestamp =
base::TimeTicks() +
base::TimeDelta::FromSecondsD(info.urlRequest.uiStartTime());
FrameMsg_UILoadMetricsReportType::Value report_type =
static_cast<FrameMsg_UILoadMetricsReportType::Value>(
info.urlRequest.inputPerfMetricReportPolicy());
// No history-navigation is expected to happen.
DCHECK(info.navigationType != blink::WebNavigationTypeBackForward);
// Determine the navigation type. No same-document navigation is expected
// because it is loaded immediately by the FrameLoader.
FrameMsg_Navigate_Type::Value navigation_type =
FrameMsg_Navigate_Type::DIFFERENT_DOCUMENT;
if (info.navigationType == blink::WebNavigationTypeReload) {
if (load_flags & net::LOAD_BYPASS_CACHE)
navigation_type = FrameMsg_Navigate_Type::RELOAD_BYPASSING_CACHE;
else
navigation_type = FrameMsg_Navigate_Type::RELOAD;
}
base::Optional<SourceLocation> source_location;
if (!info.sourceLocation.url.isNull()) {
source_location = SourceLocation(info.sourceLocation.url.latin1(),
info.sourceLocation.lineNumber,
info.sourceLocation.columnNumber);
}
CSPDisposition should_check_main_world_csp =
info.shouldCheckMainWorldContentSecurityPolicy ==
blink::WebContentSecurityPolicyDispositionCheck
? CSPDisposition::CHECK
: CSPDisposition::DO_NOT_CHECK;
const RequestExtraData* extra_data =
static_cast<RequestExtraData*>(info.urlRequest.getExtraData());
DCHECK(extra_data);
return CommonNavigationParams(
info.urlRequest.url(), referrer, extra_data->transition_type(),
navigation_type, true, info.replacesCurrentHistoryItem, ui_timestamp,
report_type, GURL(), GURL(),
static_cast<PreviewsState>(info.urlRequest.getPreviewsState()),
base::TimeTicks::Now(), info.urlRequest.httpMethod().latin1(),
GetRequestBodyForWebURLRequest(info.urlRequest), source_location,
should_check_main_world_csp);
}
media::Context3D GetSharedMainThreadContext3D(
scoped_refptr<ui::ContextProviderCommandBuffer> provider) {
if (!provider)
return media::Context3D();
return media::Context3D(provider->ContextGL(), provider->GrContext());
}
WebFrameLoadType ReloadFrameLoadTypeFor(
FrameMsg_Navigate_Type::Value navigation_type) {
switch (navigation_type) {
case FrameMsg_Navigate_Type::RELOAD:
case FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL:
return WebFrameLoadType::Reload;
case FrameMsg_Navigate_Type::RELOAD_BYPASSING_CACHE:
return WebFrameLoadType::ReloadBypassingCache;
default:
NOTREACHED();
return WebFrameLoadType::Standard;
}
}
RenderFrameImpl::CreateRenderFrameImplFunction g_create_render_frame_impl =
nullptr;
WebString ConvertRelativePathToHtmlAttribute(const base::FilePath& path) {
DCHECK(!path.IsAbsolute());
return WebString::fromUTF8(
std::string("./") +
path.NormalizePathSeparatorsTo(FILE_PATH_LITERAL('/')).AsUTF8Unsafe());
}
// Implementation of WebFrameSerializer::LinkRewritingDelegate that responds
// based on the payload of FrameMsg_GetSerializedHtmlWithLocalLinks.
class LinkRewritingDelegate : public WebFrameSerializer::LinkRewritingDelegate {
public:
LinkRewritingDelegate(
const std::map<GURL, base::FilePath>& url_to_local_path,
const std::map<int, base::FilePath>& frame_routing_id_to_local_path)
: url_to_local_path_(url_to_local_path),
frame_routing_id_to_local_path_(frame_routing_id_to_local_path) {}
bool rewriteFrameSource(WebFrame* frame, WebString* rewritten_link) override {
int routing_id = GetRoutingIdForFrameOrProxy(frame);
auto it = frame_routing_id_to_local_path_.find(routing_id);
if (it == frame_routing_id_to_local_path_.end())
return false; // This can happen because of https://crbug.com/541354.
const base::FilePath& local_path = it->second;
*rewritten_link = ConvertRelativePathToHtmlAttribute(local_path);
return true;
}
bool rewriteLink(const WebURL& url, WebString* rewritten_link) override {
auto it = url_to_local_path_.find(url);
if (it == url_to_local_path_.end())
return false;
const base::FilePath& local_path = it->second;
*rewritten_link = ConvertRelativePathToHtmlAttribute(local_path);
return true;
}
private:
const std::map<GURL, base::FilePath>& url_to_local_path_;
const std::map<int, base::FilePath>& frame_routing_id_to_local_path_;
};
// Implementation of WebFrameSerializer::MHTMLPartsGenerationDelegate that
// 1. Bases shouldSkipResource and getContentID responses on contents of
// FrameMsg_SerializeAsMHTML_Params.
// 2. Stores digests of urls of serialized resources (i.e. urls reported via
// shouldSkipResource) into |serialized_resources_uri_digests| passed
// to the constructor.
class MHTMLPartsGenerationDelegate
: public WebFrameSerializer::MHTMLPartsGenerationDelegate {
public:
MHTMLPartsGenerationDelegate(
const FrameMsg_SerializeAsMHTML_Params& params,
std::set<std::string>* serialized_resources_uri_digests)
: params_(params),
serialized_resources_uri_digests_(serialized_resources_uri_digests) {
DCHECK(serialized_resources_uri_digests_);
}
bool shouldSkipResource(const WebURL& url) override {
std::string digest =
crypto::SHA256HashString(params_.salt + GURL(url).spec());
// Skip if the |url| already covered by serialization of an *earlier* frame.
if (base::ContainsKey(params_.digests_of_uris_to_skip, digest))
return true;
// Let's record |url| as being serialized for the *current* frame.
auto pair = serialized_resources_uri_digests_->insert(digest);
bool insertion_took_place = pair.second;
DCHECK(insertion_took_place); // Blink should dedupe within a frame.
return false;
}
WebString getContentID(WebFrame* frame) override {
int routing_id = GetRoutingIdForFrameOrProxy(frame);
auto it = params_.frame_routing_id_to_content_id.find(routing_id);
if (it == params_.frame_routing_id_to_content_id.end())
return WebString();
const std::string& content_id = it->second;
return WebString::fromUTF8(content_id);
}
blink::WebFrameSerializerCacheControlPolicy cacheControlPolicy() override {
return params_.mhtml_cache_control_policy;
}
bool useBinaryEncoding() override { return params_.mhtml_binary_encoding; }
bool removePopupOverlay() override {
return params_.mhtml_popup_overlay_removal;
}
private:
const FrameMsg_SerializeAsMHTML_Params& params_;
std::set<std::string>* serialized_resources_uri_digests_;
DISALLOW_COPY_AND_ASSIGN(MHTMLPartsGenerationDelegate);
};
bool IsHttpPost(const blink::WebURLRequest& request) {
return request.httpMethod().utf8() == "POST";
}
// Writes to file the serialized and encoded MHTML data from WebThreadSafeData
// instances.
MhtmlSaveStatus WriteMHTMLToDisk(std::vector<WebThreadSafeData> mhtml_contents,
base::File file) {
TRACE_EVENT0("page-serialization", "WriteMHTMLToDisk (RenderFrameImpl)");
SCOPED_UMA_HISTOGRAM_TIMER(
"PageSerialization.MhtmlGeneration.WriteToDiskTime.SingleFrame");
DCHECK(!RenderThread::Get()) << "Should not run in the main renderer thread";
MhtmlSaveStatus save_status = MhtmlSaveStatus::SUCCESS;
for (const WebThreadSafeData& data : mhtml_contents) {
if (!data.isEmpty() &&
file.WriteAtCurrentPos(data.data(), data.size()) < 0) {
save_status = MhtmlSaveStatus::FILE_WRITTING_ERROR;
break;
}
}
// Explicitly close |file| here to make sure to include any flush operations
// in the UMA metric.
file.Close();
return save_status;
}
#if defined(OS_ANDROID)
// Returns true if the MediaPlayerRenderer should be used for playback, false
// if the default renderer should be used instead.
//
// Note that HLS and MP4 detection are pre-redirect and path-based. It is
// possible to load such a URL and find different content.
bool UseMediaPlayerRenderer(const GURL& url) {
// Always use the default renderer for playing blob URLs.
if (url.SchemeIsBlob())
return false;
// The default renderer does not support HLS.
if (media::MediaCodecUtil::IsHLSURL(url))
return true;
// Don't use the default renderer if the container likely contains a codec we
// can't decode in software and platform decoders are not available.
if (!media::HasPlatformDecoderSupport()) {
// Assume that "mp4" means H264. Without platform decoder support we cannot
// play it with the default renderer so use MediaPlayerRenderer.
// http://crbug.com/642988.
if (base::ToLowerASCII(url.spec()).find("mp4") != std::string::npos)
return true;
}
// Indicates if the Android MediaPlayer should be used instead of WMPI.
if (GetContentClient()->renderer()->ShouldUseMediaPlayerForURL(url))
return true;
// Otherwise, use the default renderer.
return false;
}
#endif // defined(OS_ANDROID)
double ConvertToBlinkTime(const base::TimeTicks& time_ticks) {
return (time_ticks - base::TimeTicks()).InSecondsF();
}
} // namespace
struct RenderFrameImpl::PendingFileChooser {
PendingFileChooser(const FileChooserParams& p,
blink::WebFileChooserCompletion* c)
: params(p), completion(c) {}
FileChooserParams params;
blink::WebFileChooserCompletion* completion; // MAY BE NULL to skip callback.
};
// static
RenderFrameImpl* RenderFrameImpl::Create(RenderViewImpl* render_view,
int32_t routing_id) {
DCHECK(routing_id != MSG_ROUTING_NONE);
CreateParams params(render_view, routing_id);
if (g_create_render_frame_impl)
return g_create_render_frame_impl(params);
else
return new RenderFrameImpl(params);
}
// static
RenderFrame* RenderFrame::FromRoutingID(int routing_id) {
return RenderFrameImpl::FromRoutingID(routing_id);
}
// static
RenderFrameImpl* RenderFrameImpl::FromRoutingID(int routing_id) {
RoutingIDFrameMap::iterator iter =
g_routing_id_frame_map.Get().find(routing_id);
if (iter != g_routing_id_frame_map.Get().end())
return iter->second;
return NULL;
}
// static
RenderFrameImpl* RenderFrameImpl::CreateMainFrame(
RenderViewImpl* render_view,
int32_t routing_id,
int32_t widget_routing_id,
bool hidden,
const ScreenInfo& screen_info,
CompositorDependencies* compositor_deps,
blink::WebFrame* opener) {
// A main frame RenderFrame must have a RenderWidget.
DCHECK_NE(MSG_ROUTING_NONE, widget_routing_id);
RenderFrameImpl* render_frame =
RenderFrameImpl::Create(render_view, routing_id);
render_frame->InitializeBlameContext(nullptr);
WebLocalFrame* web_frame = WebLocalFrame::create(
blink::WebTreeScopeType::Document, render_frame,
render_frame->blink_interface_provider_.get(),
render_frame->blink_interface_registry_.get(), opener);
render_frame->BindToWebFrame(web_frame);
render_view->webview()->setMainFrame(web_frame);
render_frame->render_widget_ = RenderWidget::CreateForFrame(
widget_routing_id, hidden, screen_info, compositor_deps, web_frame);
// TODO(avi): This DCHECK is to track cleanup for https://crbug.com/545684
DCHECK_EQ(render_view->GetWidget(), render_frame->render_widget_)
<< "Main frame is no longer reusing the RenderView as its widget! "
<< "Does the RenderFrame need to register itself with the RenderWidget?";
return render_frame;
}
// static
void RenderFrameImpl::CreateFrame(
int routing_id,
int proxy_routing_id,
int opener_routing_id,
int parent_routing_id,
int previous_sibling_routing_id,
const FrameReplicationState& replicated_state,
CompositorDependencies* compositor_deps,
const mojom::CreateFrameWidgetParams& widget_params,
const FrameOwnerProperties& frame_owner_properties) {
blink::WebLocalFrame* web_frame;
RenderFrameImpl* render_frame;
if (proxy_routing_id == MSG_ROUTING_NONE) {
RenderFrameProxy* parent_proxy =
RenderFrameProxy::FromRoutingID(parent_routing_id);
// If the browser is sending a valid parent routing id, it should already
// be created and registered.
CHECK(parent_proxy);
blink::WebRemoteFrame* parent_web_frame = parent_proxy->web_frame();
blink::WebFrame* previous_sibling_web_frame = nullptr;
RenderFrameProxy* previous_sibling_proxy =
RenderFrameProxy::FromRoutingID(previous_sibling_routing_id);
if (previous_sibling_proxy)
previous_sibling_web_frame = previous_sibling_proxy->web_frame();
// Create the RenderFrame and WebLocalFrame, linking the two.
render_frame =
RenderFrameImpl::Create(parent_proxy->render_view(), routing_id);
render_frame->InitializeBlameContext(FromRoutingID(parent_routing_id));
render_frame->unique_name_helper_.set_propagated_name(
replicated_state.unique_name);