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render_frame_host_impl.cc
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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include <cstdint>
#include <memory>
#include <tuple>
#include <unordered_map>
#include <utility>
#include "base/command_line.h"
#include "base/containers/contains.h"
#include "base/containers/cxx20_erase.h"
#include "base/debug/crash_logging.h"
#include "base/debug/dump_without_crashing.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/lazy_instance.h"
#include "base/memory/memory_pressure_monitor.h"
#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/field_trial_params.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/metrics_hashes.h"
#include "base/metrics/user_metrics.h"
#include "base/no_destructor.h"
#include "base/numerics/safe_conversions.h"
#include "base/process/kill.h"
#include "base/ranges/algorithm.h"
#include "base/state_transitions.h"
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_util.h"
#include "base/syslog_logging.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "base/threading/sequence_bound.h"
#include "base/time/time.h"
#include "base/timer/elapsed_timer.h"
#include "base/trace_event/optional_trace_event.h"
#include "base/types/optional_util.h"
#include "build/build_config.h"
#include "components/download/public/common/download_url_parameters.h"
#include "content/browser/about_url_loader_factory.h"
#include "content/browser/accessibility/browser_accessibility_manager.h"
#include "content/browser/accessibility/render_accessibility_host.h"
#include "content/browser/bad_message.h"
#include "content/browser/bluetooth/web_bluetooth_service_impl.h"
#include "content/browser/broadcast_channel/broadcast_channel_provider.h"
#include "content/browser/broadcast_channel/broadcast_channel_service.h"
#include "content/browser/browser_main_loop.h"
#include "content/browser/can_commit_status.h"
#include "content/browser/child_process_security_policy_impl.h"
#include "content/browser/code_cache/generated_code_cache_context.h"
#include "content/browser/data_url_loader_factory.h"
#include "content/browser/devtools/devtools_instrumentation.h"
#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
#include "content/browser/download/data_url_blob_reader.h"
#include "content/browser/feature_observer.h"
#include "content/browser/fenced_frame/fenced_frame.h"
#include "content/browser/fenced_frame/fenced_frame_reporter.h"
#include "content/browser/fenced_frame/fenced_frame_url_mapping.h"
#include "content/browser/file_system/file_system_manager_impl.h"
#include "content/browser/file_system/file_system_url_loader_factory.h"
#include "content/browser/file_system_access/file_system_access_manager_impl.h"
#include "content/browser/font_access/font_access_manager.h"
#include "content/browser/generic_sensor/sensor_provider_proxy_impl.h"
#include "content/browser/geolocation/geolocation_service_impl.h"
#include "content/browser/idle/idle_manager_impl.h"
#include "content/browser/installedapp/installed_app_provider_impl.h"
#include "content/browser/interest_group/ad_auction_document_data.h"
#include "content/browser/loader/file_url_loader_factory.h"
#include "content/browser/loader/keep_alive_url_loader_service.h"
#include "content/browser/loader/navigation_early_hints_manager.h"
#include "content/browser/loader/resource_cache_manager.h"
#include "content/browser/loader/subresource_proxying_url_loader_service.h"
#include "content/browser/log_console_message.h"
#include "content/browser/media/media_interface_proxy.h"
#include "content/browser/media/webaudio/audio_context_manager_impl.h"
#include "content/browser/navigation_or_document_handle.h"
#include "content/browser/navigation_subresource_loader_params.h"
#include "content/browser/network/cross_origin_embedder_policy_reporter.h"
#include "content/browser/network/cross_origin_opener_policy_reporter.h"
#include "content/browser/permissions/permission_controller_impl.h"
#include "content/browser/permissions/permission_service_context.h"
#include "content/browser/portal/portal.h"
#include "content/browser/preloading/prerender/prerender_final_status.h"
#include "content/browser/preloading/prerender/prerender_host_registry.h"
#include "content/browser/preloading/prerender/prerender_metrics.h"
#include "content/browser/presentation/presentation_service_impl.h"
#include "content/browser/process_lock.h"
#include "content/browser/push_messaging/push_messaging_manager.h"
#include "content/browser/renderer_host/agent_scheduling_group_host.h"
#include "content/browser/renderer_host/back_forward_cache_disable.h"
#include "content/browser/renderer_host/back_forward_cache_impl.h"
#include "content/browser/renderer_host/close_listener_host.h"
#include "content/browser/renderer_host/code_cache_host_impl.h"
#include "content/browser/renderer_host/cookie_utils.h"
#include "content/browser/renderer_host/dip_util.h"
#include "content/browser/renderer_host/frame_tree.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/input/input_injector_impl.h"
#include "content/browser/renderer_host/input/input_router.h"
#include "content/browser/renderer_host/input/timeout_monitor.h"
#include "content/browser/renderer_host/ipc_utils.h"
#include "content/browser/renderer_host/local_network_access_util.h"
#include "content/browser/renderer_host/media/peer_connection_tracker_host.h"
#include "content/browser/renderer_host/navigation_controller_impl.h"
#include "content/browser/renderer_host/navigation_entry_impl.h"
#include "content/browser/renderer_host/navigation_request.h"
#include "content/browser/renderer_host/navigator.h"
#include "content/browser/renderer_host/page_factory.h"
#include "content/browser/renderer_host/pending_beacon_host.h"
#include "content/browser/renderer_host/pending_beacon_service.h"
#include "content/browser/renderer_host/render_frame_host_delegate.h"
#include "content/browser/renderer_host/render_frame_host_owner.h"
#include "content/browser/renderer_host/render_frame_proxy_host.h"
#include "content/browser/renderer_host/render_process_host_impl.h"
#include "content/browser/renderer_host/render_view_host_delegate.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_factory.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "content/browser/renderer_host/render_widget_host_view_child_frame.h"
#include "content/browser/renderer_host/view_transition_opt_in_state.h"
#include "content/browser/runtime_feature_state/runtime_feature_state_document_data.h"
#include "content/browser/scoped_active_url.h"
#include "content/browser/service_worker/service_worker_container_host.h"
#include "content/browser/service_worker/service_worker_object_host.h"
#include "content/browser/site_info.h"
#include "content/browser/sms/webotp_service.h"
#include "content/browser/speech/speech_synthesis_impl.h"
#include "content/browser/storage_partition_impl.h"
#include "content/browser/url_loader_factory_params_helper.h"
#include "content/browser/usb/web_usb_service_impl.h"
#include "content/browser/web_exposed_isolation_info.h"
#include "content/browser/web_package/prefetched_signed_exchange_cache.h"
#include "content/browser/web_package/subresource_web_bundle_navigation_info.h"
#include "content/browser/webauth/authenticator_impl.h"
#include "content/browser/webauth/webauth_request_security_checker.h"
#include "content/browser/webid/federated_auth_request_impl.h"
#include "content/browser/webid/flags.h"
#include "content/browser/websockets/websocket_connector_impl.h"
#include "content/browser/webtransport/web_transport_connector_impl.h"
#include "content/browser/webui/url_data_manager_backend.h"
#include "content/browser/webui/web_ui_controller_factory_registry.h"
#include "content/browser/worker_host/dedicated_worker_host.h"
#include "content/browser/worker_host/dedicated_worker_host_factory_impl.h"
#include "content/browser/worker_host/dedicated_worker_hosts_for_document.h"
#include "content/common/associated_interfaces.mojom.h"
#include "content/common/content_navigation_policy.h"
#include "content/common/debug_utils.h"
#include "content/common/features.h"
#include "content/common/frame.mojom.h"
#include "content/common/frame_messages.mojom.h"
#include "content/common/navigation_client.mojom.h"
#include "content/common/navigation_params_utils.h"
#include "content/public/browser/active_url_message_filter.h"
#include "content/public/browser/ax_event_notification_details.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/context_menu_params.h"
#include "content/public/browser/disallow_activation_reason.h"
#include "content/public/browser/document_ref.h"
#include "content/public/browser/document_service_internal.h"
#include "content/public/browser/download_manager.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/browser/peak_gpu_memory_tracker.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/shared_cors_origin_access_list.h"
#include "content/public/browser/site_isolation_policy.h"
#include "content/public/browser/sms_fetcher.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/browser/weak_document_ptr.h"
#include "content/public/browser/web_ui_url_loader_factory.h"
#include "content/public/common/alternative_error_page_override_info.mojom.h"
#include "content/public/common/bindings_policy.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/extra_mojo_js_features.mojom.h"
#include "content/public/common/isolated_world_ids.h"
#include "content/public/common/network_service_util.h"
#include "content/public/common/origin_util.h"
#include "content/public/common/page_visibility_state.h"
#include "content/public/common/referrer.h"
#include "content/public/common/referrer_type_converters.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/url_utils.h"
#include "media/base/media_switches.h"
#include "media/learning/common/value.h"
#include "media/media_buildflags.h"
#include "media/mojo/mojom/remoting.mojom.h"
#include "media/mojo/services/video_decode_perf_history.h"
#include "media/render_frame_audio_output_stream_factory.h"
#include "mojo/public/cpp/bindings/message.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "mojo/public/cpp/bindings/struct_ptr.h"
#include "mojo/public/cpp/system/data_pipe.h"
#include "net/base/schemeful_site.h"
#include "net/net_buildflags.h"
#include "ppapi/buildflags/buildflags.h"
#include "render_frame_host_impl.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "services/network/public/cpp/attribution_reporting_runtime_features.h"
#include "services/network/public/cpp/cors/origin_access_list.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
#include "services/network/public/cpp/network_service_buildflags.h"
#include "services/network/public/cpp/not_implemented_url_loader_factory.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "services/network/public/cpp/web_sandbox_flags.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
#include "services/network/public/mojom/web_sandbox_flags.mojom-shared.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "storage/browser/blob/blob_url_store_impl.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_registry.h"
#include "third_party/blink/public/common/chrome_debug_urls.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/common/features_generated.h"
#include "third_party/blink/public/common/fenced_frame/fenced_frame_utils.h"
#include "third_party/blink/public/common/frame/fenced_frame_sandbox_flags.h"
#include "third_party/blink/public/common/frame/frame_owner_element_type.h"
#include "third_party/blink/public/common/frame/frame_policy.h"
#include "third_party/blink/public/common/loader/inter_process_time_ticks_converter.h"
#include "third_party/blink/public/common/loader/resource_type_util.h"
#include "third_party/blink/public/common/messaging/transferable_message.h"
#include "third_party/blink/public/common/navigation/navigation_params_mojom_traits.h"
#include "third_party/blink/public/common/page/browsing_context_group_info.h"
#include "third_party/blink/public/common/permissions/permission_utils.h"
#include "third_party/blink/public/common/permissions_policy/document_policy.h"
#include "third_party/blink/public/common/permissions_policy/permissions_policy.h"
#include "third_party/blink/public/common/privacy_budget/identifiability_study_document_created.h"
#include "third_party/blink/public/common/privacy_budget/identifiability_study_settings.h"
#include "third_party/blink/public/common/runtime_feature_state/runtime_feature_state_context.h"
#include "third_party/blink/public/common/scheduler/web_scheduler_tracked_feature.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "third_party/blink/public/mojom/back_forward_cache_not_restored_reasons.mojom.h"
#include "third_party/blink/public/mojom/broadcastchannel/broadcast_channel.mojom.h"
#include "third_party/blink/public/mojom/devtools/inspector_issue.mojom.h"
#include "third_party/blink/public/mojom/frame/frame.mojom.h"
#include "third_party/blink/public/mojom/frame/frame_owner_properties.mojom.h"
#include "third_party/blink/public/mojom/frame/fullscreen.mojom.h"
#include "third_party/blink/public/mojom/frame/media_player_action.mojom.h"
#include "third_party/blink/public/mojom/frame/text_autosizer_page_info.mojom.h"
#include "third_party/blink/public/mojom/loader/resource_load_info.mojom.h"
#include "third_party/blink/public/mojom/loader/transferrable_url_loader.mojom.h"
#include "third_party/blink/public/mojom/navigation/navigation_params.mojom.h"
#include "third_party/blink/public/mojom/opengraph/metadata.mojom.h"
#include "third_party/blink/public/mojom/permissions/permission_status.mojom.h"
#include "third_party/blink/public/mojom/scroll/scroll_into_view_params.mojom.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_object.mojom.h"
#include "third_party/blink/public/mojom/storage_key/ancestor_chain_bit.mojom.h"
#include "third_party/blink/public/mojom/timing/resource_timing.mojom.h"
#include "third_party/blink/public/mojom/window_features/window_features.mojom.h"
#include "ui/accessibility/ax_action_handler_registry.h"
#include "ui/accessibility/ax_common.h"
#include "ui/accessibility/ax_tree_update.h"
#include "ui/display/screen.h"
#include "ui/events/event_constants.h"
#include "url/gurl.h"
#include "url/origin.h"
#include "url/url_constants.h"
#if BUILDFLAG(IS_ANDROID)
#include "content/browser/android/content_url_loader_factory.h"
#include "content/browser/android/java_interfaces_impl.h"
#include "content/browser/renderer_host/render_frame_host_android.h"
#include "content/public/browser/android/java_interfaces.h"
#include "content/public/browser/authenticator_request_client_delegate.h"
#else
#include "content/browser/hid/hid_service.h"
#include "content/browser/host_zoom_map_impl.h"
#include "content/browser/serial/serial_service.h"
#endif
#if BUILDFLAG(IS_CHROMEOS)
#include "content/browser/smart_card/smart_card_service.h"
#endif
#if BUILDFLAG(IS_MAC)
#include "content/browser/renderer_host/popup_menu_helper_mac.h"
#endif
#if BUILDFLAG(ENABLE_PPAPI)
#include "content/browser/renderer_host/render_frame_host_impl_ppapi_support.h"
#endif
#if BUILDFLAG(USE_EXTERNAL_POPUP_MENU)
#include "content/browser/renderer_host/render_view_host_delegate_view.h"
#endif
namespace features {
BASE_FEATURE(kDisableFrameNameUpdateOnNonCurrentRenderFrameHost,
"DisableFrameNameUpdateOnNonCurrentRenderFrameHost",
base::FEATURE_ENABLED_BY_DEFAULT);
// Evict when accessibility events occur while in back/forward cache.
// Disabling on all platforms since https://crbug.com/1341507 has been addressed
// and no significant crashes are happening with experiments.
BASE_FEATURE(kEvictOnAXEvents,
"EvictOnAXEvents",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kUnblockSpeechSynthesisForBFCache,
"UnblockSpeechSynthesisForBFCache",
base::FEATURE_DISABLED_BY_DEFAULT);
} // namespace features
namespace content {
#if defined(AX_FAIL_FAST_BUILD)
// Enable fast fails on clusterfuzz and other builds used to debug Chrome,
// which should help narrow down illegal ax trees more quickly.
// static
int RenderFrameHostImpl::max_accessibility_resets_ = 0;
#else
int RenderFrameHostImpl::max_accessibility_resets_ = 4;
#endif // AX_FAIL_FAST_BUILD
class RenderFrameHostOrProxy {
public:
RenderFrameHostOrProxy(RenderFrameHostImpl* frame,
RenderFrameProxyHost* proxy) {
DCHECK(!frame || !proxy)
<< "Both frame and proxy can't be non-null at the same time";
if (proxy) {
frame_or_proxy_ = proxy;
return;
}
if (frame) {
frame_or_proxy_ = frame;
return;
}
}
explicit operator bool() { return frame_or_proxy_.index() > 0; }
FrameTreeNode* GetFrameTreeNode() {
if (auto* proxy = GetProxy()) {
return proxy->frame_tree_node();
} else if (auto* frame = GetFrame()) {
return frame->frame_tree_node();
}
return nullptr;
}
RenderFrameHostImpl* GetCurrentFrameHost() {
if (auto* proxy = GetProxy()) {
return proxy->frame_tree_node()->current_frame_host();
} else if (auto* frame = GetFrame()) {
return frame;
}
return nullptr;
}
private:
RenderFrameProxyHost* GetProxy() {
if (auto** proxy = absl::get_if<RenderFrameProxyHost*>(&frame_or_proxy_)) {
return *proxy;
}
return nullptr;
}
RenderFrameHostImpl* GetFrame() {
if (auto** frame = absl::get_if<RenderFrameHostImpl*>(&frame_or_proxy_)) {
return *frame;
}
return nullptr;
}
absl::variant<absl::monostate, RenderFrameHostImpl*, RenderFrameProxyHost*>
frame_or_proxy_;
};
namespace {
// Maximum amount of time to wait for beforeunload/unload handlers to be
// processed by the renderer process.
constexpr int kUnloadTimeoutInMSec = 500;
constexpr base::TimeDelta kUnloadTimeout =
base::Milliseconds(kUnloadTimeoutInMSec);
constexpr int kSubframeProcessShutdownDelayInMSec = 2 * 1000;
static_assert(kSubframeProcessShutdownDelayInMSec + kUnloadTimeoutInMSec <
RenderProcessHostImpl::kKeepAliveHandleFactoryTimeoutInMSec,
"The maximum process shutdown delay should not exceed the "
"keepalive timeout. This has security implications, see "
"https://crbug.com/1177674.");
#if BUILDFLAG(IS_ANDROID)
const void* const kRenderFrameHostAndroidKey = &kRenderFrameHostAndroidKey;
#endif // BUILDFLAG(IS_ANDROID)
// The next value to use for the accessibility reset token.
int g_next_accessibility_reset_token = 1;
// Whether to allow injecting javascript into any kind of frame, for Android
// WebView, WebLayer, Fuchsia web.ContextProvider and CastOS content shell.
bool g_allow_injecting_javascript = false;
const char kDotGoogleDotCom[] = ".google.com";
typedef std::unordered_map<GlobalRenderFrameHostId,
RenderFrameHostImpl*,
GlobalRenderFrameHostIdHasher>
RoutingIDFrameMap;
base::LazyInstance<RoutingIDFrameMap>::DestructorAtExit g_routing_id_frame_map =
LAZY_INSTANCE_INITIALIZER;
// A global set of all sandboxed RenderFrameHosts that could be isolated from
// the rest of their SiteInstance.
typedef std::unordered_set<GlobalRenderFrameHostId,
GlobalRenderFrameHostIdHasher>
RoutingIDIsolatableSandboxedIframesSet;
base::LazyInstance<RoutingIDIsolatableSandboxedIframesSet>::DestructorAtExit
g_routing_id_isolatable_sandboxed_iframes_set = LAZY_INSTANCE_INITIALIZER;
using TokenFrameMap = std::unordered_map<blink::LocalFrameToken,
RenderFrameHostImpl*,
blink::LocalFrameToken::Hasher>;
base::LazyInstance<TokenFrameMap>::Leaky g_token_frame_map =
LAZY_INSTANCE_INITIALIZER;
auto& GetDocumentTokenMap() {
static base::NoDestructor<std::unordered_map<
blink::DocumentToken, RenderFrameHostImpl*, blink::DocumentToken::Hasher>>
map;
return *map;
}
BackForwardCacheMetrics::NotRestoredReason
RendererEvictionReasonToNotRestoredReason(
blink::mojom::RendererEvictionReason reason) {
switch (reason) {
case blink::mojom::RendererEvictionReason::kJavaScriptExecution:
return BackForwardCacheMetrics::NotRestoredReason::kJavaScriptExecution;
case blink::mojom::RendererEvictionReason::
kNetworkRequestDatapipeDrainedAsBytesConsumer:
return BackForwardCacheMetrics::NotRestoredReason::
kNetworkRequestDatapipeDrainedAsBytesConsumer;
case blink::mojom::RendererEvictionReason::kNetworkRequestRedirected:
return BackForwardCacheMetrics::NotRestoredReason::
kNetworkRequestRedirected;
case blink::mojom::RendererEvictionReason::kNetworkRequestTimeout:
return BackForwardCacheMetrics::NotRestoredReason::kNetworkRequestTimeout;
case blink::mojom::RendererEvictionReason::kNetworkExceedsBufferLimit:
return BackForwardCacheMetrics::NotRestoredReason::
kNetworkExceedsBufferLimit;
}
NOTREACHED();
return BackForwardCacheMetrics::NotRestoredReason::kUnknown;
}
// Ensure that we reset nav_entry_id_ in DidCommitProvisionalLoad if any of
// the validations fail and lead to an early return. Call disable() once we
// know the commit will be successful. Resetting nav_entry_id_ avoids acting on
// any UpdateState or UpdateTitle messages after an ignored commit.
class ScopedCommitStateResetter {
public:
explicit ScopedCommitStateResetter(RenderFrameHostImpl* render_frame_host)
: render_frame_host_(render_frame_host) {}
~ScopedCommitStateResetter() {
if (!disabled_) {
render_frame_host_->set_nav_entry_id(0);
}
}
void disable() { disabled_ = true; }
private:
raw_ptr<RenderFrameHostImpl> render_frame_host_;
bool disabled_ = false;
};
void GrantFileAccess(int child_id,
const std::vector<base::FilePath>& file_paths) {
ChildProcessSecurityPolicyImpl* policy =
ChildProcessSecurityPolicyImpl::GetInstance();
for (const auto& file : file_paths) {
if (!policy->CanReadFile(child_id, file))
policy->GrantReadFile(child_id, file);
}
}
#if BUILDFLAG(ENABLE_MEDIA_REMOTING)
// RemoterFactory that delegates Create() calls to the ContentBrowserClient.
//
// Since Create() could be called at any time, perhaps by a stray task being run
// after a RenderFrameHost has been destroyed, the RemoterFactoryImpl uses the
// process/routing IDs as a weak reference to the RenderFrameHostImpl.
class RemoterFactoryImpl final : public media::mojom::RemoterFactory {
public:
RemoterFactoryImpl(int process_id, int routing_id)
: process_id_(process_id), routing_id_(routing_id) {}
RemoterFactoryImpl(const RemoterFactoryImpl&) = delete;
RemoterFactoryImpl& operator=(const RemoterFactoryImpl&) = delete;
private:
void Create(mojo::PendingRemote<media::mojom::RemotingSource> source,
mojo::PendingReceiver<media::mojom::Remoter> receiver) final {
if (auto* host = RenderFrameHostImpl::FromID(process_id_, routing_id_)) {
GetContentClient()->browser()->CreateMediaRemoter(host, std::move(source),
std::move(receiver));
}
}
const int process_id_;
const int routing_id_;
};
#endif // BUILDFLAG(ENABLE_MEDIA_REMOTING)
RenderFrameHostOrProxy LookupRenderFrameHostOrProxy(int process_id,
int routing_id) {
RenderFrameHostImpl* rfh =
RenderFrameHostImpl::FromID(process_id, routing_id);
RenderFrameProxyHost* proxy = nullptr;
if (!rfh)
proxy = RenderFrameProxyHost::FromID(process_id, routing_id);
return RenderFrameHostOrProxy(rfh, proxy);
}
RenderFrameHostOrProxy LookupRenderFrameHostOrProxy(
int process_id,
const blink::FrameToken& frame_token) {
if (frame_token.Is<blink::LocalFrameToken>()) {
auto it = g_token_frame_map.Get().find(
frame_token.GetAs<blink::LocalFrameToken>());
// The check against |process_id| isn't strictly necessary, but represents
// an extra level of protection against a renderer trying to force a frame
// token.
if (it == g_token_frame_map.Get().end() ||
process_id != it->second->GetProcess()->GetID()) {
return RenderFrameHostOrProxy(nullptr, nullptr);
}
return RenderFrameHostOrProxy(it->second, nullptr);
}
DCHECK(frame_token.Is<blink::RemoteFrameToken>());
return RenderFrameHostOrProxy(
nullptr, RenderFrameProxyHost::FromFrameToken(
process_id, frame_token.GetAs<blink::RemoteFrameToken>()));
}
// Set crash keys that will help understand the circumstances of a renderer
// kill. Note that the commit URL is already reported in a crash key, and
// additional keys are logged in RenderProcessHostImpl::ShutdownForBadMessage.
void LogRendererKillCrashKeys(const SiteInfo& site_info) {
static auto* const site_info_key = base::debug::AllocateCrashKeyString(
"current_site_info", base::debug::CrashKeySize::Size256);
base::debug::SetCrashKeyString(site_info_key, site_info.GetDebugString());
}
void LogCanCommitOriginAndUrlFailureReason(const std::string& failure_reason) {
static auto* const failure_reason_key = base::debug::AllocateCrashKeyString(
"rfhi_can_commit_failure_reason", base::debug::CrashKeySize::Size64);
base::debug::SetCrashKeyString(failure_reason_key, failure_reason);
}
std::unique_ptr<blink::PendingURLLoaderFactoryBundle> CloneFactoryBundle(
scoped_refptr<blink::URLLoaderFactoryBundle> bundle) {
return base::WrapUnique(static_cast<blink::PendingURLLoaderFactoryBundle*>(
bundle->Clone().release()));
}
// Helper method to download a URL on UI thread.
void StartDownload(
std::unique_ptr<download::DownloadUrlParameters> parameters,
scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
RenderProcessHost* render_process_host =
RenderProcessHost::FromID(parameters->render_process_host_id());
if (!render_process_host)
return;
BrowserContext* browser_context = render_process_host->GetBrowserContext();
DownloadManager* download_manager = browser_context->GetDownloadManager();
parameters->set_download_source(download::DownloadSource::FROM_RENDERER);
download_manager->DownloadUrl(std::move(parameters),
std::move(blob_url_loader_factory));
}
// Called on the UI thread when the data URL in the BlobDataHandle
// is read.
void OnDataURLRetrieved(
std::unique_ptr<download::DownloadUrlParameters> parameters,
GURL data_url) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!data_url.is_valid())
return;
parameters->set_url(std::move(data_url));
StartDownload(std::move(parameters), nullptr);
}
// Analyzes trusted sources of a frame's trust-token-redemption Permissions
// Policy feature to see if the feature is definitely disabled or potentially
// enabled.
//
// This information will be bound to a URLLoaderFactory; if the answer is
// "definitely disabled," the network service will report a bad message if it
// receives a request from the renderer to execute a Trust Tokens redemption or
// signing operation in the frame.
//
// A return value of kForbid denotes that the feature is disabled for the
// frame. A return value of kPotentiallyPermit means that all trusted
// information sources say that the policy is enabled.
network::mojom::TrustTokenOperationPolicyVerdict
DetermineWhetherToForbidTrustTokenOperation(
const RenderFrameHostImpl* frame,
const blink::mojom::CommitNavigationParams& commit_params,
const url::Origin& subframe_origin,
const network::mojom::TrustTokenOperationType& operation) {
std::unique_ptr<blink::PermissionsPolicy> subframe_policy;
// TODO(https://crbug.com/1430514): Add WPT to test how TrustTokens behave in
// a FencedFrame's subframe.
if (frame->IsFencedFrameRoot()) {
// Fenced frames have a list of required permission policies to load and
// can't be granted extra policies, so use the required policies instead of
// inheriting from its parent. Note that the parent policies must allow the
// required policies, which is checked separately in
// NavigationRequest::CheckPermissionsPoliciesForFencedFrames.
const absl::optional<FencedFrameProperties>& fenced_frame_properties =
frame->frame_tree_node()->GetFencedFrameProperties();
base::span<const blink::mojom::PermissionsPolicyFeature> permissions;
if (fenced_frame_properties) {
permissions = fenced_frame_properties->required_permissions_to_load;
}
subframe_policy = blink::PermissionsPolicy::CreateForFencedFrame(
subframe_origin, permissions);
} else {
// For main frame loads, the frame's permissions policy is determined
// entirely by response headers, which are provided by the renderer.
if (!frame->GetParent())
return network::mojom::TrustTokenOperationPolicyVerdict::
kPotentiallyPermit;
const blink::PermissionsPolicy* parent_policy =
frame->GetParent()->permissions_policy();
blink::ParsedPermissionsPolicy container_policy =
commit_params.frame_policy.container_policy;
subframe_policy = blink::PermissionsPolicy::CreateFromParentPolicy(
parent_policy, container_policy, subframe_origin);
}
switch (operation) {
case network::mojom::TrustTokenOperationType::kRedemption:
case network::mojom::TrustTokenOperationType::kSigning:
if (subframe_policy->IsFeatureEnabled(
blink::mojom::PermissionsPolicyFeature::kTrustTokenRedemption)) {
return network::mojom::TrustTokenOperationPolicyVerdict::
kPotentiallyPermit;
}
return network::mojom::TrustTokenOperationPolicyVerdict::kForbid;
case network::mojom::TrustTokenOperationType::kIssuance:
if (subframe_policy->IsFeatureEnabled(
blink::mojom::PermissionsPolicyFeature::
kPrivateStateTokenIssuance)) {
return network::mojom::TrustTokenOperationPolicyVerdict::
kPotentiallyPermit;
}
return network::mojom::TrustTokenOperationPolicyVerdict::kForbid;
}
return network::mojom::TrustTokenOperationPolicyVerdict::kForbid;
}
// When a frame creates its initial subresource loaders, it needs to know
// whether the trust-token-redemption Permissions Policy feature will be enabled
// after the commit finishes, which is a little involved (see
// DetermineWhetherToForbidTrustTokenOperation). In contrast, if it needs to
// make this decision once the frame has committted---for instance, to create
// more loaders after the network service crashes---it can directly consult the
// current Permissions Policy state to determine whether the feature is enabled.
network::mojom::TrustTokenOperationPolicyVerdict
DetermineAfterCommitWhetherToForbidTrustTokenOperation(
RenderFrameHostImpl& impl,
const network::mojom::TrustTokenOperationType& operation) {
switch (operation) {
case network::mojom::TrustTokenOperationType::kRedemption:
case network::mojom::TrustTokenOperationType::kSigning:
if (impl.IsFeatureEnabled(
blink::mojom::PermissionsPolicyFeature::kTrustTokenRedemption)) {
return network::mojom::TrustTokenOperationPolicyVerdict::
kPotentiallyPermit;
}
return network::mojom::TrustTokenOperationPolicyVerdict::kForbid;
case network::mojom::TrustTokenOperationType::kIssuance:
if (impl.IsFeatureEnabled(blink::mojom::PermissionsPolicyFeature::
kPrivateStateTokenIssuance)) {
return network::mojom::TrustTokenOperationPolicyVerdict::
kPotentiallyPermit;
}
return network::mojom::TrustTokenOperationPolicyVerdict::kForbid;
}
return network::mojom::TrustTokenOperationPolicyVerdict::kForbid;
}
// Verify that |browser_side_origin| and |renderer_side_origin| match. See also
// https://crbug.com/888079. Returns true if the origins match, and false
// otherwise.
bool VerifyThatBrowserAndRendererCalculatedOriginsToCommitMatch(
NavigationRequest* navigation_request,
const mojom::DidCommitProvisionalLoadParams& params) {
DCHECK(navigation_request);
// This should be called only when a new document is created. Navigations in
// the same document and page activations do not create a new document.
DCHECK(!navigation_request->IsSameDocument());
DCHECK(!navigation_request->IsPageActivation());
// Ignore for now cases where the NavigationRequest is in an unexpectedly
// early state. Triggered by the following tests:
// NavigationBrowserTest.OpenerNavigation_DownloadPolicy,
// WebContentsImplBrowserTest.NewNamedWindow.
if (navigation_request->state() < NavigationRequest::WILL_PROCESS_RESPONSE)
return true;
// Blob urls with content scheme are opaque on browser side because the
// browser doesn't have access to the BlobURLNullOriginMap.
// (https://crbug.com/1295268).
const url::Origin& renderer_side_origin = params.origin;
std::pair<absl::optional<url::Origin>, std::string>
browser_side_origin_and_debug_info =
navigation_request->GetOriginToCommitWithDebugInfo();
if (renderer_side_origin.scheme() == url::kContentScheme &&
browser_side_origin_and_debug_info.first->opaque()) {
return true;
}
// For non-opaque origins, we say the browser and renderer calculated origins
// match if they are exactly the same.
bool origins_match = (browser_side_origin_and_debug_info.first.value() ==
renderer_side_origin);
// For opaque origins, we say the browser and renderer calculated origins
// match if their precursor origins match (their nonces might not match).
if (renderer_side_origin.opaque() &&
browser_side_origin_and_debug_info.first->opaque()) {
origins_match = (renderer_side_origin.GetTupleOrPrecursorTupleIfOpaque() ==
browser_side_origin_and_debug_info.first
->GetTupleOrPrecursorTupleIfOpaque());
}
// TODO(https://crbug.com/888079): Remove the DumpWithoutCrashing below, once
// we are sure that the `browser_side_origin` is always the same as the
// `renderer_side_origin`.
if (!origins_match) {
NavigationRequest::ScopedCrashKeys navigation_request_crash_keys(
*navigation_request);
SCOPED_CRASH_KEY_STRING256(
"", "browser_origin",
browser_side_origin_and_debug_info.first->GetDebugString());
SCOPED_CRASH_KEY_STRING256("", "browser_debug_info",
browser_side_origin_and_debug_info.second);
SCOPED_CRASH_KEY_STRING256(
"", "browser_ready_to_commit_origin",
navigation_request->browser_side_origin_to_commit_with_debug_info()
.first->GetDebugString());
SCOPED_CRASH_KEY_STRING256(
"", "browser_ready_to_commit_debug_info",
navigation_request->browser_side_origin_to_commit_with_debug_info()
.second);
SCOPED_CRASH_KEY_STRING256("", "renderer_origin",
renderer_side_origin.GetDebugString());
SCOPED_CRASH_KEY_STRING256("", "renderer_debug_info",
params.origin_calculation_debug_info);
CaptureTraceForNavigationDebugScenario(
DebugScenario::kDebugBrowserVsRendererOriginToCommit);
base::debug::DumpWithoutCrashing();
DCHECK_EQ(browser_side_origin_and_debug_info.first.value(),
renderer_side_origin)
<< "; navigation_request->GetURL() = " << navigation_request->GetURL();
return false;
}
return true;
}
// Enum used for Navigation.VerifyDidCommitParams histogram, to indicate which
// DidCommitProvisionalLoadParams differ when comparing browser- vs
// renderer-calculated values.
// Do NOT delete or reorder existing entries.
enum class VerifyDidCommitParamsDifference {
kIntendedAsNewEntry = 0,
kMethod = 1,
kURLIsUnreachable = 2,
kBaseURL = 3,
kPostID = 4,
kIsOverridingUserAgent = 5,
kHTTPStatusCode = 6,
kShouldUpdateHistory = 7,
kGesture = 8,
kShouldReplaceCurrentEntry = 9,
kURL = 10,
kDidCreateNewEntry = 11,
kTransition = 12,
kHistoryListWasCleared = 13,
kOrigin = 14,
kMaxValue = kOrigin,
};
// A simplified version of Blink's WebFrameLoadType, used to simulate renderer
// calculations. See CalculateRendererLoadType() further below.
// TODO(https://crbug.com/1131832): This should only be here temporarily.
// Remove this once the renderer behavior at commit time is more consistent with
// what the browser instructed it to do (e.g. reloads will always be classified
// as kReload).
enum class RendererLoadType {
kStandard,
kBackForward,
kReload,
kReplaceCurrentItem,
};
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
// Used to log whether the call to SSLManager::DidStartResourceResponse()
// resulted in a no-op or if the exceptions were cleared out when a good
// certificate was seen. Matches histogram enum (SSLSubresourceResponseType).
enum class SSLSubresourceResponseType {
// Includes cases when call resulted in a no-op.
kIgnored = 0,
// Includes cases when exceptions were cleared after seeing a good cert.
kProcessed = 1,
kMaxValue = kProcessed,
};
bool ValidateCSPAttribute(const std::string& value) {
static const size_t kMaxLengthCSPAttribute = 4096;
if (!base::IsStringASCII(value))
return false;
if (value.length() > kMaxLengthCSPAttribute ||
value.find('\n') != std::string::npos ||
value.find('\r') != std::string::npos) {
return false;
}
return true;
}
perfetto::protos::pbzero::FrameDeleteIntention FrameDeleteIntentionToProto(
mojom::FrameDeleteIntention intent) {
using ProtoLevel = perfetto::protos::pbzero::FrameDeleteIntention;
switch (intent) {
case mojom::FrameDeleteIntention::kNotMainFrame:
return ProtoLevel::FRAME_DELETE_INTENTION_NOT_MAIN_FRAME;
case mojom::FrameDeleteIntention::kSpeculativeMainFrameForShutdown:
return ProtoLevel::
FRAME_DELETE_INTENTION_SPECULATIVE_MAIN_FRAME_FOR_SHUTDOWN;
case mojom::FrameDeleteIntention::
kSpeculativeMainFrameForNavigationCancelled:
return ProtoLevel::
FRAME_DELETE_INTENTION_SPECULATIVE_MAIN_FRAME_FOR_NAVIGATION_CANCELLED;
}
// All cases should've been handled by the switch case above.
NOTREACHED();
return ProtoLevel::FRAME_DELETE_INTENTION_NOT_MAIN_FRAME;
}
void WriteRenderFrameImplDeletion(perfetto::EventContext& ctx,
RenderFrameHostImpl* rfh,
mojom::FrameDeleteIntention intent) {
auto* event = ctx.event<perfetto::protos::pbzero::ChromeTrackEvent>();
auto* data = event->set_render_frame_impl_deletion();
data->set_has_pending_commit(rfh->HasPendingCommitNavigation());
data->set_has_pending_cross_document_commit(
rfh->HasPendingCommitForCrossDocumentNavigation());
data->set_frame_tree_node_id(rfh->GetFrameTreeNodeId());
data->set_intent(FrameDeleteIntentionToProto(intent));
}
// Returns an experimental process shutdown delay if the SubframeShutdownDelay
// experiment is enabled, 0 if not or if under memory pressure. This is used to
// keep subframe processes alive for a few seconds in case they can be reused.
base::TimeDelta GetSubframeProcessShutdownDelay(
BrowserContext* browser_context) {
static constexpr base::TimeDelta kZeroDelay;
if (!base::FeatureList::IsEnabled(features::kSubframeShutdownDelay))
return kZeroDelay;
// Don't delay process shutdown under memory pressure. Does not cancel
// existing shutdown delays for processes already in delayed-shutdown state.
const auto* const memory_monitor = base::MemoryPressureMonitor::Get();
if (memory_monitor &&
memory_monitor->GetCurrentPressureLevel() >=
base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE) {
return kZeroDelay;
}
return base::Milliseconds(kSubframeProcessShutdownDelayInMSec);
}
// Returns the "document" URL used for a navigation, which might be different
// than the commit URL (CommonNavigationParam's URL) for certain cases such as
// error document and loadDataWithBaseURL() commits.
GURL GetLastDocumentURL(
NavigationRequest* request,
const mojom::DidCommitProvisionalLoadParams& params,
bool last_document_is_error_document,
const RenderFrameHostImpl::RendererURLInfo& renderer_url_info) {
if (request->DidEncounterError() ||
(request->IsSameDocument() && last_document_is_error_document)) {
// If the navigation happens on an error document, the document URL is set
// to kUnreachableWebDataURL. Note that if a same-document navigation
// happens in an error document it's possible for the document URL to have
// changed, but the browser has no way of knowing that URL since it isn't
// exposed in any way. Additionally, all current known ways to do a
// same-document navigation on an error document
// (history.pushState/replaceState without changing the URL) won't change
// the URL, so it's probably OK to keep using kUnreachableWebDataURL here.
return GURL(kUnreachableWebDataURL);
}
if (request->IsLoadDataWithBaseURL()) {
// loadDataWithBaseURL() navigation can set its own "base URL", which is
// also used by the renderer as the document URL unless the navigation
// failed (which is already accounted for in the error document case above).
return request->common_params().base_url_for_data_url;
}
if (renderer_url_info.was_loaded_from_load_data_with_base_url &&
request->IsSameDocument()) {
// If this is a same-document navigation on a document loaded from
// loadDataWithBaseURL(), it is not currently possible to figure out the
// document URL. This is because the renderer can navigate to any
// same-document URL, but that URL will not be used for
// DidCommitProvisionalLoadParams' `url` if the loading URL for the document
// is set to the data: URL. In this case, just return the last document URL,
// since at least it will have the correct origin.
return renderer_url_info.last_document_url;
}
// For all other navigations, the document URL should be the same as the URL
// that is used to commit.
return params.url;
}
bool IsAvoidUnnecessaryBeforeUnloadCheckSyncEnabled() {
const bool is_feature_enabled = base::FeatureList::IsEnabled(
features::kAvoidUnnecessaryBeforeUnloadCheckSync);
#if BUILDFLAG(IS_ANDROID)
return is_feature_enabled &&
GetContentClient()
->browser()
->SupportsAvoidUnnecessaryBeforeUnloadCheckSync();
#else
return is_feature_enabled;
#endif
}
bool IsAvoidUnnecessaryBeforeUnloadCheckPostTaskEnabled() {
// Only one of sync or posttask should be used. If both are set, use sync.
return !IsAvoidUnnecessaryBeforeUnloadCheckSyncEnabled();
}
// Returns true if `host` has the Window Management permission granted.
bool IsWindowManagementGranted(RenderFrameHost* host) {
content::PermissionController* permission_controller =
host->GetBrowserContext()->GetPermissionController();
DCHECK(permission_controller);
return permission_controller->GetPermissionStatusForCurrentDocument(
blink::PermissionType::WINDOW_MANAGEMENT, host) ==
blink::mojom::PermissionStatus::GRANTED;
}
bool IsOpenGraphMetadataValid(const blink::mojom::OpenGraphMetadata* metadata) {
return !metadata->image || metadata->image->SchemeIsHTTPOrHTTPS();
}
void ForwardOpenGraphMetadataIfValid(
base::OnceCallback<void(blink::mojom::OpenGraphMetadataPtr)> callback,
blink::mojom::OpenGraphMetadataPtr metadata) {
if (IsOpenGraphMetadataValid(metadata.get()))
std::move(callback).Run(std::move(metadata));
else
std::move(callback).Run({});
}
// Creates a JavaScriptExecuteRequestForTestsCallback callback that delegates
// to the given JavaScriptResultCallback.
blink::mojom::LocalFrame::JavaScriptExecuteRequestForTestsCallback
CreateJavaScriptExecuteRequestForTestsCallback(
RenderFrameHost::JavaScriptResultCallback callback) {
if (!callback)
return base::NullCallback();
return base::BindOnce(
[](RenderFrameHost::JavaScriptResultCallback callback,