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chromium / chromium / src / d1b49ff4d15bc538c4feddff9f81253bba6abd9d / . / content / browser / renderer_host / navigation_request.h
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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_NAVIGATION_REQUEST_H_
#define CONTENT_BROWSER_RENDERER_HOST_NAVIGATION_REQUEST_H_
#include <memory>
#include <string>
#include <vector>
#include "base/debug/crash_logging.h"
#include "base/functional/callback.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/safe_ref.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string_util.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "build/build_config.h"
#include "content/browser/browsing_topics/browsing_topics_url_loader_service.h"
#include "content/browser/fenced_frame/fenced_frame_url_mapping.h"
#include "content/browser/loader/navigation_url_loader_delegate.h"
#include "content/browser/navigation_subresource_loader_params.h"
#include "content/browser/preloading/prerender/prerender_host.h"
#include "content/browser/renderer_host/commit_deferring_condition_runner.h"
#include "content/browser/renderer_host/cross_origin_opener_policy_status.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_policy_container_builder.h"
#include "content/browser/renderer_host/navigation_throttle_runner.h"
#include "content/browser/renderer_host/navigation_type.h"
#include "content/browser/renderer_host/policy_container_host.h"
#include "content/browser/renderer_host/render_frame_host_csp_context.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/renderer_host/should_swap_browsing_instance.h"
#include "content/browser/renderer_host/subframe_history_navigation_throttle.h"
#include "content/browser/site_instance_impl.h"
#include "content/common/content_export.h"
#include "content/common/navigation_client.mojom-forward.h"
#include "content/public/browser/allow_service_worker_result.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/navigation_throttle.h"
#include "content/public/browser/peak_gpu_memory_tracker.h"
#include "content/public/browser/prerender_trigger_type.h"
#include "content/public/browser/render_process_host_observer.h"
#include "content/public/browser/weak_document_ptr.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/system/data_pipe.h"
#include "net/base/isolation_info.h"
#include "net/base/proxy_server.h"
#include "net/dns/public/resolve_error_info.h"
#include "services/metrics/public/cpp/ukm_source_id.h"
#include "services/network/public/cpp/content_security_policy/csp_context.h"
#include "services/network/public/mojom/blocked_by_response_reason.mojom-shared.h"
#include "services/network/public/mojom/content_security_policy.mojom.h"
#include "services/network/public/mojom/web_sandbox_flags.mojom-shared.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "third_party/blink/public/common/frame/view_transition_state.h"
#include "third_party/blink/public/common/navigation/impression.h"
#include "third_party/blink/public/common/runtime_feature_state/runtime_feature_state_context.h"
#include "third_party/blink/public/common/tokens/tokens.h"
#include "third_party/blink/public/mojom/loader/mixed_content.mojom-forward.h"
#include "third_party/blink/public/mojom/navigation/navigation_initiator_activation_and_ad_status.mojom.h"
#include "third_party/blink/public/mojom/navigation/navigation_params.mojom-forward.h"
#include "third_party/perfetto/include/perfetto/tracing/traced_value_forward.h"
#include "url/gurl.h"
#include "url/origin.h"
#if BUILDFLAG(IS_ANDROID)
#include "base/android/scoped_java_ref.h"
#include "content/browser/android/navigation_handle_proxy.h"
#endif
namespace base {
namespace trace_event {
class TracedValue;
} // namespace trace_event
} // namespace base
namespace network {
struct URLLoaderCompletionStatus;
} // namespace network
namespace ui {
class CompositorLock;
} // namespace ui
namespace content {
class CrossOriginEmbedderPolicyReporter;
class SubresourceWebBundleNavigationInfo;
class FrameNavigationEntry;
class FrameTreeNode;
class NavigationURLLoader;
class NavigationUIData;
class NavigatorDelegate;
class PrefetchedSignedExchangeCache;
class ServiceWorkerMainResourceHandle;
class SiteInfo;
struct SubresourceLoaderParams;
// The primary implementation of NavigationHandle.
//
// Lives from navigation start until the navigation has been committed.
class CONTENT_EXPORT NavigationRequest
: public NavigationHandle,
public NavigationURLLoaderDelegate,
public NavigationThrottleRunner::Delegate,
public CommitDeferringConditionRunner::Delegate,
public FencedFrameURLMapping::MappingResultObserver,
public mojom::NavigationRendererCancellationListener,
private RenderProcessHostObserver,
private network::mojom::CookieAccessObserver {
public:
// Keeps track of the various stages of a NavigationRequest.
// To see what state transitions are allowed, see |SetState|.
enum NavigationState {
// Initial state.
NOT_STARTED = 0,
// Waiting for a BeginNavigation IPC from the renderer in a
// browser-initiated navigation. If there is no live renderer when the
// request is created, this stage is skipped.
WAITING_FOR_RENDERER_RESPONSE,
// TODO(zetamoo): Merge this state with WILL_START_REQUEST.
// Temporary state where:
// - Before unload handlers have run and this navigation is allowed to
// start.
// - The navigation is still not visible to embedders (via
// NavigationHandle).
WILL_START_NAVIGATION,
// The navigation is visible to embedders (via NavigationHandle). Wait for
// the NavigationThrottles to finish running the WillStartRequest event.
// This is potentially asynchronous.
// For navigations that have already committed synchronously in the renderer
// (see |is_synchronous_renderer_commit_|), this will synchronously proceed
// to DID_COMMIT directly without any waiting (or the navigation might not
// commit in certain cases, and be cleared in this state). All other
// navigations can only reach DID_COMMIT from READY_TO_COMMIT.
WILL_START_REQUEST,
// The request is being redirected. Wait for the NavigationThrottles to
// finish running the WillRedirectRequest event. This is potentially
// asynchronous.
WILL_REDIRECT_REQUEST,
// The response is being processed. Wait for the NavigationThrottles to
// finish running the WillProcessResponse event. This is potentially
// asynchronous.
WILL_PROCESS_RESPONSE,
// The navigation does not require a request/response. Wait only for
// NavigationThrottles to finish before calling CommitNavigation(). This
// will only be asynchronous if a throttle defers the navigation.
WILL_COMMIT_WITHOUT_URL_LOADER,
// The browser process has asked the renderer to commit the response
// and is waiting for acknowledgement that it has been committed.
READY_TO_COMMIT,
// The response has been committed. This is one of the two final states of
// the request.
DID_COMMIT,
// The request is being canceled.
CANCELING,
// The request is failing. Wait for the NavigationThrottles to finish
// running the WillFailRequest event. This is potentially asynchronous.
WILL_FAIL_REQUEST,
// The request failed with a net error code and an error page should be
// displayed. This is one of the two final states for the request.
DID_COMMIT_ERROR_PAGE,
};
// The RenderFrameHost currently associated with the navigation. Note that the
// final value will only be known when the response is received, or the
// navigation fails, as server redirects can modify the RenderFrameHost to use
// for the navigation.
enum class AssociatedRenderFrameHostType {
NONE = 0,
// The navigation reuses the current RenderFrameHost.
CURRENT,
// The navigation uses a new RenderFrameHost, the speculative
// RenderFrameHost.
SPECULATIVE,
};
// This enum is used in UMA histograms, so existing values should neither be
// reordered or removed.
enum class OriginAgentClusterEndResult {
// The first four enums are for use when OAC-by-default is disabled.
kNotRequestedAndNotOriginKeyed,
kNotRequestedButOriginKeyed,
kRequestedButNotOriginKeyed,
kRequestedAndOriginKeyed,
// The remaining enums are for use when OAC-by-default is enabled.
kExplicitlyNotRequestedAndNotOriginKeyed,
kExplicitlyNotRequestedButOriginKeyed,
kExplicitlyRequestedButNotOriginKeyed,
kExplicitlyRequestedAndOriginKeyed,
kNotExplicitlyRequestedButNotOriginKeyed,
kNotExplicitlyRequestedAndOriginKeyed,
kMaxValue = kNotExplicitlyRequestedAndOriginKeyed
};
// Creates a request for a browser-initiated navigation.
static std::unique_ptr<NavigationRequest> CreateBrowserInitiated(
FrameTreeNode* frame_tree_node,
blink::mojom::CommonNavigationParamsPtr common_params,
blink::mojom::CommitNavigationParamsPtr commit_params,
bool was_opener_suppressed,
const blink::LocalFrameToken* initiator_frame_token,
int initiator_process_id,
const std::string& extra_headers,
FrameNavigationEntry* frame_entry,
NavigationEntryImpl* entry,
bool is_form_submission,
std::unique_ptr<NavigationUIData> navigation_ui_data,
const absl::optional<blink::Impression>& impression,
bool is_pdf,
bool is_embedder_initiated_fenced_frame_navigation = false);
// Creates a request for either a browser-initiated navigation or a
// renderer-initiated navigation. Normally, renderer-initiated navigations
// use CreateRendererInitiated(), but some legacy renderer-initiated
// navigation paths, such as OpenURL, are stuck using this path instead;
// these cases specify `browser_initiated` as false.
//
// Do NOT add more uses of this function. Browser-initiated navigations
// should use CreateBrowserInitiated() and renderer-initiated navigations
// should use CreateRendererInitiated().
//
// TODO(crbug.com/1399292): Refactor the remaining uses of this function to
// use either CreateBrowserInitiated() or CreateRendererInitiated() and then
// remove this helper.
static std::unique_ptr<NavigationRequest> Create(
FrameTreeNode* frame_tree_node,
blink::mojom::CommonNavigationParamsPtr common_params,
blink::mojom::CommitNavigationParamsPtr commit_params,
bool browser_initiated,
bool was_opener_suppressed,
const blink::LocalFrameToken* initiator_frame_token,
int initiator_process_id,
const std::string& extra_headers,
FrameNavigationEntry* frame_entry,
NavigationEntryImpl* entry,
bool is_form_submission,
std::unique_ptr<NavigationUIData> navigation_ui_data,
const absl::optional<blink::Impression>& impression,
blink::mojom::NavigationInitiatorActivationAndAdStatus
initiator_activation_and_ad_status,
bool is_pdf,
bool is_embedder_initiated_fenced_frame_navigation = false);
// Creates a request for a renderer-initiated navigation.
static std::unique_ptr<NavigationRequest> CreateRendererInitiated(
FrameTreeNode* frame_tree_node,
NavigationEntryImpl* entry,
blink::mojom::CommonNavigationParamsPtr common_params,
blink::mojom::BeginNavigationParamsPtr begin_params,
int current_history_list_offset,
int current_history_list_length,
bool override_user_agent,
scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory,
mojo::PendingAssociatedRemote<mojom::NavigationClient> navigation_client,
scoped_refptr<PrefetchedSignedExchangeCache>
prefetched_signed_exchange_cache,
mojo::PendingReceiver<mojom::NavigationRendererCancellationListener>
renderer_cancellation_listener);
// Creates a NavigationRequest for synchronous navigation that have committed
// in the renderer process. Those are:
// - same-document renderer-initiated navigations.
// - synchronous about:blank navigations.
//
// TODO(clamy): Eventually, this should only be called for same-document
// renderer-initiated navigations.
static std::unique_ptr<NavigationRequest> CreateForSynchronousRendererCommit(
FrameTreeNode* frame_tree_node,
RenderFrameHostImpl* render_frame_host,
bool is_same_document,
const GURL& url,
const url::Origin& origin,
const absl::optional<GURL>& initiator_base_url,
const net::IsolationInfo& isolation_info_for_subresources,
blink::mojom::ReferrerPtr referrer,
const ui::PageTransition& transition,
bool should_replace_current_entry,
const std::string& method,
bool has_transient_activation,
bool is_overriding_user_agent,
const std::vector<GURL>& redirects,
const GURL& original_url,
std::unique_ptr<CrossOriginEmbedderPolicyReporter> coep_reporter,
std::unique_ptr<SubresourceWebBundleNavigationInfo>
subresource_web_bundle_navigation_info,
int http_response_code);
static NavigationRequest* From(NavigationHandle* handle);
// If |type| is a reload, returns the equivalent ReloadType. Otherwise returns
// ReloadType::NONE.
static ReloadType NavigationTypeToReloadType(
blink::mojom::NavigationType type);
NavigationRequest(const NavigationRequest&) = delete;
NavigationRequest& operator=(const NavigationRequest&) = delete;
~NavigationRequest() override;
// Returns true if this request's URL matches |origin| and the request state
// is at (or past) WILL_PROCESS_RESPONSE.
bool HasCommittingOrigin(const url::Origin& origin);
// Returns true if this navigation's COOP header implies that the destination
// site of this navigation should be site-isolated. In addition to checking
// for eligible COOP header values, this function also verifies other
// criteria, such as whether this feature is enabled on the device (e.g.,
// above memory threshold) or whether the site is already isolated.
bool ShouldRequestSiteIsolationForCOOP();
// NavigationHandle implementation:
int64_t GetNavigationId() override;
ukm::SourceId GetNextPageUkmSourceId() override;
const GURL& GetURL() override;
SiteInstanceImpl* GetStartingSiteInstance() override;
SiteInstanceImpl* GetSourceSiteInstance() override;
bool IsInMainFrame() const override;
bool IsInPrimaryMainFrame() const override;
bool IsInOutermostMainFrame() override;
bool IsInPrerenderedMainFrame() const override;
bool IsPrerenderedPageActivation() const override;
bool IsInFencedFrameTree() const override;
FrameType GetNavigatingFrameType() const override;
bool IsRendererInitiated() override;
blink::mojom::NavigationInitiatorActivationAndAdStatus
GetNavigationInitiatorActivationAndAdStatus() override;
bool IsSameOrigin() override;
bool WasServerRedirect() override;
const std::vector<GURL>& GetRedirectChain() override;
int GetFrameTreeNodeId() override;
RenderFrameHostImpl* GetParentFrame() override;
RenderFrameHostImpl* GetParentFrameOrOuterDocument() override;
base::TimeTicks NavigationStart() override;
base::TimeTicks NavigationInputStart() override;
const NavigationHandleTiming& GetNavigationHandleTiming() override;
bool IsPost() override;
const blink::mojom::Referrer& GetReferrer() override;
void SetReferrer(blink::mojom::ReferrerPtr referrer) override;
bool HasUserGesture() override;
ui::PageTransition GetPageTransition() override;
NavigationUIData* GetNavigationUIData() override;
bool IsExternalProtocol() override;
net::Error GetNetErrorCode() override;
RenderFrameHostImpl* GetRenderFrameHost() const override;
bool IsSameDocument() const override;
bool HasCommitted() const override;
bool IsErrorPage() const override;
bool HasSubframeNavigationEntryCommitted() override;
bool DidReplaceEntry() override;
bool ShouldUpdateHistory() override;
const GURL& GetPreviousPrimaryMainFrameURL() override;
net::IPEndPoint GetSocketAddress() override;
const net::HttpRequestHeaders& GetRequestHeaders() override;
void RemoveRequestHeader(const std::string& header_name) override;
void SetRequestHeader(const std::string& header_name,
const std::string& header_value) override;
void SetCorsExemptRequestHeader(const std::string& header_name,
const std::string& header_value) override;
const net::HttpResponseHeaders* GetResponseHeaders() override;
net::HttpResponseInfo::ConnectionInfo GetConnectionInfo() override;
const absl::optional<net::SSLInfo>& GetSSLInfo() override;
const absl::optional<net::AuthChallengeInfo>& GetAuthChallengeInfo() override;
net::ResolveErrorInfo GetResolveErrorInfo() override;
net::IsolationInfo GetIsolationInfo() override;
void RegisterThrottleForTesting(
std::unique_ptr<NavigationThrottle> navigation_throttle) override;
bool IsDeferredForTesting() override;
bool IsCommitDeferringConditionDeferredForTesting() override;
CommitDeferringCondition* GetCommitDeferringConditionForTesting() override;
bool WasStartedFromContextMenu() override;
const GURL& GetSearchableFormURL() override;
const std::string& GetSearchableFormEncoding() override;
ReloadType GetReloadType() override;
RestoreType GetRestoreType() override;
const GURL& GetBaseURLForDataURL() override;
const GlobalRequestID& GetGlobalRequestID() override;
bool IsDownload() override;
bool IsFormSubmission() override;
bool WasInitiatedByLinkClick() override;
bool IsSignedExchangeInnerResponse() override;
bool HasPrefetchedAlternativeSubresourceSignedExchange() override;
bool WasResponseCached() override;
const net::ProxyServer& GetProxyServer() override;
const std::string& GetHrefTranslate() override;
const absl::optional<blink::Impression>& GetImpression() override;
const absl::optional<blink::LocalFrameToken>& GetInitiatorFrameToken()
override;
int GetInitiatorProcessID() override;
const absl::optional<url::Origin>& GetInitiatorOrigin() override;
const absl::optional<GURL>& GetInitiatorBaseUrl() override;
const std::vector<std::string>& GetDnsAliases() override;
bool IsSameProcess() override;
NavigationEntry* GetNavigationEntry() override;
int GetNavigationEntryOffset() override;
void RegisterSubresourceOverride(
blink::mojom::TransferrableURLLoaderPtr transferrable_loader) override;
GlobalRenderFrameHostId GetPreviousRenderFrameHostId() override;
int GetExpectedRenderProcessHostId() override;
bool IsServedFromBackForwardCache() override;
void SetIsOverridingUserAgent(bool override_ua) override;
void SetSilentlyIgnoreErrors() override;
network::mojom::WebSandboxFlags SandboxFlagsToCommit() override;
bool IsWaitingToCommit() override;
bool WasResourceHintsReceived() override;
bool IsPdf() override;
void WriteIntoTrace(perfetto::TracedProto<TraceProto> context) const override;
bool SetNavigationTimeout(base::TimeDelta timeout) override;
void SetAllowCookiesFromBrowser(bool allow_cookies_from_browser) override;
PrerenderTriggerType GetPrerenderTriggerType() override;
std::string GetPrerenderEmbedderHistogramSuffix() override;
#if BUILDFLAG(IS_ANDROID)
const base::android::JavaRef<jobject>& GetJavaNavigationHandle() override;
#endif
base::SafeRef<NavigationHandle> GetSafeRef() override;
bool ExistingDocumentWasDiscarded() const override;
// mojom::NavigationRendererCancellationListener implementation
void RendererCancellationWindowEnded() override;
void RegisterCommitDeferringConditionForTesting(
std::unique_ptr<CommitDeferringCondition> condition);
// Called on the UI thread by the Navigator to start the navigation.
// The NavigationRequest can be deleted while BeginNavigation() is called.
void BeginNavigation();
const blink::mojom::CommonNavigationParams& common_params() const {
return *common_params_;
}
const blink::mojom::BeginNavigationParams& begin_params() const {
return *begin_params_;
}
const blink::mojom::CommitNavigationParams& commit_params() const {
return *commit_params_;
}
// Updates the navigation start time.
void set_navigation_start_time(const base::TimeTicks& time) {
common_params_->navigation_start = time;
}
void set_is_cross_site_cross_browsing_context_group(
bool is_cross_site_cross_browsing_context_group) {
commit_params_->is_cross_site_cross_browsing_context_group =
is_cross_site_cross_browsing_context_group;
}
NavigationURLLoader* loader_for_testing() const { return loader_.get(); }
NavigationState state() const { return state_; }
FrameTreeNode* frame_tree_node() const { return frame_tree_node_; }
bool is_synchronous_renderer_commit() const {
return is_synchronous_renderer_commit_;
}
SiteInstanceImpl* dest_site_instance() const {
return dest_site_instance_.get();
}
int bindings() const { return bindings_; }
bool browser_initiated() const {
return commit_params_->is_browser_initiated;
}
bool from_begin_navigation() const { return from_begin_navigation_; }
AssociatedRenderFrameHostType GetAssociatedRFHType() const;
void SetAssociatedRFHType(AssociatedRenderFrameHostType type);
void set_was_discarded() { commit_params_->was_discarded = true; }
void set_net_error(net::Error net_error) { net_error_ = net_error; }
const std::string& GetMimeType() {
return response_head_ ? response_head_->mime_type : base::EmptyString();
}
const network::mojom::URLResponseHead* response() {
return response_head_.get();
}
const mojo::DataPipeConsumerHandle& response_body() {
DCHECK_EQ(state_, WILL_PROCESS_RESPONSE);
return response_body_.get();
}
mojo::ScopedDataPipeConsumerHandle& mutable_response_body_for_testing() {
return response_body_;
}
void SetWaitingForRendererResponse();
// Notifies the NavigatorDelegate the navigation started. This should be
// called after any previous NavigationRequest for the FrameTreeNode has been
// destroyed.
void StartNavigation();
void set_on_start_checks_complete_closure_for_testing(
base::OnceClosure closure) {
on_start_checks_complete_closure_ = std::move(closure);
}
// Updates the destination SiteInfo for this navigation. This is called on
// redirects. |post_redirect_process| is the renderer process that should
// handle the navigation following the redirect if it can be handled by an
// existing RenderProcessHost. Otherwise, it should be null.
void UpdateSiteInfo(RenderProcessHost* post_redirect_process);
int nav_entry_id() const { return nav_entry_id_; }
// For automation driver-initiated navigations over the devtools protocol,
// |devtools_navigation_token_| is used to tag the navigation. This navigation
// token is then sent into the renderer and lands on the DocumentLoader. That
// way subsequent Blink-level frame lifecycle events can be associated with
// the concrete navigation.
// - The value should not be sent back to the browser.
// - The value on DocumentLoader may be generated in the renderer in some
// cases, and thus shouldn't be trusted.
// TODO(crbug.com/783506): Replace devtools navigation token with the generic
// navigation token that can be passed from renderer to the browser.
const base::UnguessableToken& devtools_navigation_token() const {
return devtools_navigation_token_;
}
// Called on same-document navigation requests that need to be restarted as
// cross-document navigations. This happens when a same-document commit fails
// due to another navigation committing in the meantime.
void ResetForCrossDocumentRestart();
// If the navigation redirects cross-process or otherwise is forced to use a
// different SiteInstance than anticipated (e.g., for switching between error
// states), then reset any sensitive state that shouldn't carry over to the
// new process.
void ResetStateForSiteInstanceChange();
// If a navigation has been cancelled, and was initiated by the parent
// document, report it with the appropriate ResourceTiming entry information.
//
// The ResourceTiming entry may not be sent if the current frame
// does not have a parent, or if the navigation was cancelled before
// a request was made.
void MaybeAddResourceTimingEntryForCancelledNavigation();
// Lazily initializes and returns the mojo::NavigationClient interface used
// for commit.
mojom::NavigationClient* GetCommitNavigationClient();
void set_transition(ui::PageTransition transition) {
common_params_->transition = transition;
}
void set_has_user_gesture(bool has_user_gesture) {
common_params_->has_user_gesture = has_user_gesture;
}
// Ignores any interface disconnect that might happen to the
// navigation_client used to commit.
void IgnoreCommitInterfaceDisconnection();
// Resume and CancelDeferredNavigation must only be called by the
// NavigationThrottle that is currently deferring the navigation.
// |resuming_throttle| and |cancelling_throttle| are the throttles calling
// these methods.
void Resume(NavigationThrottle* resuming_throttle);
void CancelDeferredNavigation(NavigationThrottle* cancelling_throttle,
NavigationThrottle::ThrottleCheckResult result);
// Returns the underlying NavigationThrottleRunner for tests to manipulate.
NavigationThrottleRunner* GetNavigationThrottleRunnerForTesting() {
return throttle_runner_.get();
}
// Simulates renderer cancelling the navigation.
void RendererRequestedNavigationCancellationForTesting();
typedef base::OnceCallback<bool(NavigationThrottle::ThrottleCheckResult)>
ThrottleChecksFinishedCallback;
NavigationThrottle* GetDeferringThrottleForTesting() const {
return throttle_runner_->GetDeferringThrottle();
}
// Called when the navigation was committed.
// This will update the |state_|.
// |navigation_entry_committed| indicates whether the navigation changed which
// NavigationEntry is current.
// |did_replace_entry| is true if the committed entry has replaced the
// existing one. A non-user initiated redirect causes such replacement.
void DidCommitNavigation(const mojom::DidCommitProvisionalLoadParams& params,
bool navigation_entry_committed,
bool did_replace_entry,
const GURL& previous_main_frame_url);
NavigationType navigation_type() const {
DCHECK(state_ == DID_COMMIT || state_ == DID_COMMIT_ERROR_PAGE);
return navigation_type_;
}
void set_navigation_type(NavigationType navigation_type) {
navigation_type_ = navigation_type;
}
const std::string& post_commit_error_page_html() {
return post_commit_error_page_html_;
}
void set_post_commit_error_page_html(
const std::string& post_commit_error_page_html) {
post_commit_error_page_html_ = post_commit_error_page_html;
}
void set_from_download_cross_origin_redirect(
bool from_download_cross_origin_redirect) {
from_download_cross_origin_redirect_ = from_download_cross_origin_redirect;
}
// This should be a private method. The only valid reason to be used
// outside of the class constructor is in the case of an initial history
// navigation in a subframe. This allows a browser-initiated NavigationRequest
// to be canceled by the renderer.
void SetNavigationClient(
mojo::PendingAssociatedRemote<mojom::NavigationClient> navigation_client);
// Whether the navigation loads an MHTML document or a subframe of an MHTML
// document. The navigation might or might not be fullfilled from the MHTML
// archive (see `is_mhtml_subframe_loaded_from_achive` in the NeedsUrlLoader
// method). The navigation will commit in the main frame process.
bool IsMhtmlOrSubframe();
// Whether this navigation navigates a subframe of an MHTML document.
bool IsForMhtmlSubframe() const;
// Whether the navigation has a non-OK net error code.
// Note that this is different from IsErrorPage(), which only returns true if
// the navigation has finished committing an error page. The net error code
// can be non-OK before commit and also in cases that didn't result in the
// navigation being committed (e.g. canceled navigations).
virtual bool DidEncounterError() const;
void set_begin_navigation_callback_for_testing(base::OnceClosure callback) {
begin_navigation_callback_for_testing_ = std::move(callback);
}
void set_complete_callback_for_testing(
ThrottleChecksFinishedCallback callback) {
complete_callback_for_testing_ = std::move(callback);
}
network::mojom::URLLoaderClientEndpointsPtr&
mutable_url_loader_client_endpoints_for_testing() {
return url_loader_client_endpoints_;
}
void set_ready_to_commit_callback_for_testing(base::OnceClosure callback) {
ready_to_commit_callback_for_testing_ = std::move(callback);
}
void set_renderer_cancellation_window_ended_callback(
base::OnceClosure callback) {
DCHECK(!renderer_cancellation_window_ended());
renderer_cancellation_window_ended_callback_ = std::move(callback);
}
bool renderer_cancellation_window_ended() const {
return renderer_cancellation_window_ended_;
}
// Returns true if this navigation should wait for the renderer-initiated
// navigation cancellation window to end before committing, and returns false
// otherwise. See comment for `renderer_cancellation_listener_` for more
// details.
bool ShouldWaitForRendererCancellationWindowToEnd();
// Sets the READY_TO_COMMIT -> DID_COMMIT timeout. Resets the timeout to the
// default value if |timeout| is zero.
static void SetCommitTimeoutForTesting(const base::TimeDelta& timeout);
RenderFrameHostImpl* rfh_restored_from_back_forward_cache() {
return rfh_restored_from_back_forward_cache_.get();
}
// The NavigatorDelegate to notify/query for various navigation events. This
// is always the WebContents.
NavigatorDelegate* GetDelegate() const;
blink::mojom::RequestContextType request_context_type() const {
return begin_params_->request_context_type;
}
network::mojom::RequestDestination request_destination() const {
return common_params_->request_destination;
}
blink::mojom::MixedContentContextType mixed_content_context_type() const {
return begin_params_->mixed_content_context_type;
}
// Returns true if the navigation was started by the Navigator by calling
// BeginNavigation(), or if the request was created at commit time by calling
// CreateForCommit().
bool IsNavigationStarted() const;
// Restart the navigation restoring the page from the back-forward cache
// as a regular non-bfcached history navigation.
//
// The restart itself is asychronous as it's dangerous to restart navigation
// with arbitrary state on the stack (another navigation might be starting,
// so this function only posts the actual task to do all the work (see
// RestartBackForwardCachedNavigationImpl);
void RestartBackForwardCachedNavigation();
std::unique_ptr<PeakGpuMemoryTracker> TakePeakGpuMemoryTracker();
std::unique_ptr<NavigationEarlyHintsManager> TakeEarlyHintsManager();
// Returns true for navigation responses to be rendered in a renderer process.
// This excludes:
// - 204/205 navigation responses.
// - downloads.
//
// Must not be called before having received the response.
bool response_should_be_rendered() const {
DCHECK_GE(state_, WILL_PROCESS_RESPONSE);
return response_should_be_rendered_;
}
// Must only be called after ReadyToCommitNavigation().
network::mojom::ClientSecurityStatePtr BuildClientSecurityState();
bool ua_change_requires_reload() const { return ua_change_requires_reload_; }
void SetRequiredCSP(network::mojom::ContentSecurityPolicyPtr csp);
network::mojom::ContentSecurityPolicyPtr TakeRequiredCSP();
bool is_credentialless() const { return is_credentialless_; }
bool is_target_fenced_frame_root_originating_from_opaque_url() const {
return is_target_fenced_frame_root_originating_from_opaque_url_;
}
// Returns a pointer to the policies copied from the navigation initiator.
// Returns nullptr if this navigation had no initiator.
const PolicyContainerPolicies* GetInitiatorPolicyContainerPolicies() const;
// The DocumentToken that should be used for the document created as a result
// of committing this navigation.
// - must only be called for cross-document navigations
// - must not be called before the navigation is ready to commit
const blink::DocumentToken& GetDocumentToken() const;
// Returns the policies of the new document being navigated to.
//
// Must only be called after ReadyToCommitNavigation().
const PolicyContainerPolicies& GetPolicyContainerPolicies() const;
// Creates a new policy container for Blink connected to this navigation's
// PolicyContainerHost.
//
// Must only be called after ReadyToCommitNavigation().
blink::mojom::PolicyContainerPtr CreatePolicyContainerForBlink();
// Moves this navigation's PolicyContainerHost out of this instance.
//
// Must only be called after ReadyToCommitNavigation().
scoped_refptr<PolicyContainerHost> TakePolicyContainerHost();
CrossOriginEmbedderPolicyReporter* coep_reporter() {
return coep_reporter_.get();
}
std::unique_ptr<CrossOriginEmbedderPolicyReporter> TakeCoepReporter();
// Returns UKM SourceId for the page we are navigating away from.
// Equal to GetRenderFrameHost()->GetPageUkmSourceId() for subframe
// and same-document navigations and to
// RenderFrameHost::FromID(GetPreviousRenderFrameHostId())
// ->GetPageUkmSourceId() for main-frame cross-document navigations.
ukm::SourceId GetPreviousPageUkmSourceId();
void OnServiceWorkerAccessed(const GURL& scope,
AllowServiceWorkerResult allowed);
// Take all cookie observers associated with this navigation.
// Typically this is called when navigation commits to move these observers to
// the committed document.
[[nodiscard]] std::vector<
mojo::PendingReceiver<network::mojom::CookieAccessObserver>>
TakeCookieObservers();
// Returns the coop status information relevant to the current navigation.
CrossOriginOpenerPolicyStatus& coop_status() { return coop_status_; }
// Returns true if this is a NavigationRequest represents a WebView
// loadDataWithBaseUrl navigation.
bool IsLoadDataWithBaseURL() const;
// Calculates the origin that this NavigationRequest may commit.
//
// GetTentativeOriginAtRequestTime must be called before the final HTTP
// response is received (unlike GetOriginToCommit), but the returned origin
// may differ from the final origin committed by this navigation (e.g. the
// origin may change because of subsequent redirects, or because of CSP
// headers in the final response; or because no commit may happen at all in
// case of downloads or 204 responses). Prefer to use GetOriginToCommit if
// possible.
url::Origin GetTentativeOriginAtRequestTime();
// Will calculate the origin that this NavigationRequest will commit. (This
// should be reasonably accurate, but some browser-vs-renderer inconsistencies
// might still exist - they are currently tracked in
// https://crbug.com/1220238).
//
// Returns `nullopt` if the navigation will not commit (e.g. in case of
// downloads, or 204 responses). This may happen if and only if
// `NavigationRequest::GetRenderFrameHost` returns null.
//
// This method may only be called after a response has been delivered for
// processing, or after the navigation fails with an error page.
absl::optional<url::Origin> GetOriginToCommit();
// Same as `GetOriginToCommit()`, except that includes information about how
// the origin gets calculated, to help debug if the browser-side calculated
// origin for this navigation differs from the origin calculated on the
// renderer side.
// TODO(https://crbug.com/1220238): Remove this.
std::pair<absl::optional<url::Origin>, std::string>
GetOriginToCommitWithDebugInfo();
// If this navigation fails with net::ERR_BLOCKED_BY_CLIENT, act as if it were
// cancelled by the user and do not commit an error page.
void SetSilentlyIgnoreBlockedByClient() {
silently_ignore_blocked_by_client_ = true;
}
// Returns the current url from GetURL() packaged with other state required to
// properly determine SiteInstances and process allocation.
UrlInfo GetUrlInfo();
bool is_overriding_user_agent() const {
return commit_params_->is_overriding_user_agent;
}
// Returns the IsolationInfo that should be used to load subresources.
const net::IsolationInfo& isolation_info_for_subresources() const {
return isolation_info_for_subresources_;
}
// NeedsUrlLoader() returns true if the navigation needs to use the
// NavigationURLLoader for loading the document.
//
// A few types of navigations don't make any network requests. They can be
// committed immediately in BeginNavigation(). They self-contain the data
// needed for commit:
// - about:blank: The renderer already knows how to load the empty document.
// - about:srcdoc: The data is stored in the iframe srcdoc attribute.
// - same-document: Only the history and URL are updated, no new document.
// - MHTML subframe: The data is in the archive, owned by the main frame.
//
// Note #1: Even though "data:" URLs don't generate actual network requests,
// including within MHTML subframes, they are still handled by the network
// stack. The reason is that a few of them can't always be handled otherwise.
// For instance:
// - the ones resulting in downloads.
// - the "invalid" ones. An error page is generated instead.
// - the ones with an unsupported MIME type.
// - the ones targeting the top-level frame on Android.
//
// Note #2: Even though "javascript:" URL and RendererDebugURL fit very well
// in this category, they don't use the NavigationRequest.
//
// Note #3: Navigations that do not use a URL loader do not send the usual
// set of callbacks to NavigationThrottle. Instead, they send a single
// separate callback, WillCommitWithoutUrlLoader().
bool NeedsUrlLoader();
network::mojom::PrivateNetworkRequestPolicy private_network_request_policy()
const {
return private_network_request_policy_;
}
// Whether this navigation request waits for the result of beforeunload before
// proceeding.
bool IsWaitingForBeforeUnload();
// If the response is loaded from a WebBundle, returns the URL of the
// WebBundle. Otherwise, returns an empty URL.
GURL GetWebBundleURL();
// Creates a SubresourceWebBundleNavigationInfo if the response is loaded from
// a WebBundle.
std::unique_ptr<SubresourceWebBundleNavigationInfo>
GetSubresourceWebBundleNavigationInfo();
// Returns the original request url:
// - If this navigation resulted in an error page, this will return the URL
// of the page that failed to load.
// - If this is navigation is triggered by loadDataWithBaseURL or related
// functions, this will return the data URL (or data header, in case of
// loadDataAsStringWithBaseURL).
// - Otherwise, this will return the first URL in |redirect_chain_|. This
// means if the navigation is started due to a client redirect, we will return
// the URL of the page that initiated the client redirect. Otherwise we will
// return the first destination URL for this navigation.
// NOTE: This might result in a different value than original_url in
// |commit_params_|, which is always set to the first destination URL for this
// navigation.
const GURL& GetOriginalRequestURL();
// The previous main frame URL. This may be empty if there was no last
// committed entry.
const GURL& GetPreviousMainFrameURL() const;
// This is the same as |NavigationHandle::IsServedFromBackForwardCache|, but
// adds a const qualifier.
bool IsServedFromBackForwardCache() const;
// Whether this navigation is activating an existing page (e.g. served from
// the BackForwardCache or Prerender)
bool IsPageActivation() const override;
// Sets state pertaining to prerender activations. This is only called if
// this navigation is a prerender activation.
void SetPrerenderActivationNavigationState(
std::unique_ptr<NavigationEntryImpl> prerender_navigation_entry,
const blink::mojom::FrameReplicationState& replication_state);
std::unique_ptr<NavigationEntryImpl> TakePrerenderNavigationEntry();
// Returns value that is only valid for prerender activation navigations.
const blink::mojom::FrameReplicationState&
prerender_main_frame_replication_state() {
return prerender_navigation_state_->prerender_main_frame_replication_state;
}
// Store a console message, which will be sent to the final RenderFrameHost
// immediately after requesting the navigation to commit.
//
// /!\ WARNING /!\: Beware of not leaking cross-origin information to a
// potentially compromised renderer when using this method.
void AddDeferredConsoleMessage(blink::mojom::ConsoleMessageLevel level,
std::string message);
bool is_deferred_on_fenced_frame_url_mapping_for_testing() const {
return is_deferred_on_fenced_frame_url_mapping_;
}
base::WeakPtr<NavigationRequest> GetWeakPtr();
bool is_potentially_prerendered_page_activation_for_testing() const {
return is_potentially_prerendered_page_activation_for_testing_;
}
int prerender_frame_tree_node_id() const {
DCHECK(prerender_frame_tree_node_id_.has_value())
<< "Must be called after StartNavigation()";
return prerender_frame_tree_node_id_.value();
}
// Compute and return the `FencedFrameProperties` that this
// `NavigationRequest` acts under, i.e. the properties attached to this
// `NavigationRequest` if present, or the properties attached to the fenced
// frame root (if present) otherwise.
const absl::optional<FencedFrameProperties>& ComputeFencedFrameProperties()
const;
const absl::optional<base::UnguessableToken> ComputeFencedFrameNonce() const;
void RenderFallbackContentForObjectTag();
// Returns the vector of web features used during the navigation, whose
// recording was delayed until the new document that used them commits.
//
// Empties this instance's vector.
std::vector<blink::mojom::WebFeature> TakeWebFeaturesToLog();
void set_topics_url_loader_service_bind_context(
base::WeakPtr<BrowsingTopicsURLLoaderService::BindContext> bind_context) {
DCHECK(!topics_url_loader_service_bind_context_);
topics_url_loader_service_bind_context_ = bind_context;
}
// Helper for logging crash keys related to a NavigationRequest (e.g.
// "navigation_request_url", "navigation_request_initiator", and
// "navigation_request_is_same_document"). The crash keys will be logged if a
// ScopedCrashKeys instance exists when a crash or DumpWithoutCrashing
// happens.
class ScopedCrashKeys {
public:
explicit ScopedCrashKeys(NavigationRequest& navigation_request);
~ScopedCrashKeys();
// No copy constructor and no copy assignment operator.
ScopedCrashKeys(const ScopedCrashKeys&) = delete;
ScopedCrashKeys& operator=(const ScopedCrashKeys&) = delete;
private:
url::debug::ScopedOriginCrashKey initiator_origin_;
url::debug::ScopedUrlCrashKey url_;
base::debug::ScopedCrashKeyString is_same_document_;
};
// Prerender2:
void set_prerender_trigger_type(PrerenderTriggerType type) {
DCHECK(!prerender_trigger_type_.has_value());
prerender_trigger_type_ = type;
}
void set_prerender_embedder_histogram_suffix(const std::string& suffix) {
prerender_embedder_histogram_suffix_ = suffix;
}
// Used in tests to indicate this navigation should force a BrowsingInstance
// swap.
void set_force_new_browsing_instance(bool force_new_browsing_instance) {
force_new_browsing_instance_ = force_new_browsing_instance;
}
// When this returns true, it indicates this navigation should force a
// BrowsingInstance swap. Used only in tests.
bool force_new_browsing_instance() { return force_new_browsing_instance_; }
const scoped_refptr<NavigationOrDocumentHandle>&
navigation_or_document_handle() {
return navigation_or_document_handle_;
}
const std::pair<absl::optional<url::Origin>, std::string>&
browser_side_origin_to_commit_with_debug_info() {
return browser_side_origin_to_commit_with_debug_info_;
}
// Initializes state which is passed from the old Document to the new Document
// for a ViewTransition.
void SetViewTransitionState(blink::ViewTransitionState view_transition_state);
// Returns a mutable reference to a blink::RuntimeFeatureStateContext object,
// which exposes the getters and setters for Blink Runtime-Enabled Features to
// the browser process. Any feature set using the RuntimeFeatureStateContext
// before navigation commit will be communicated back to the renderer process.
//
// This function should not be called once the navigation has been committed.
// NOTE: these feature changes will apply to the "to-be-created" document.
blink::RuntimeFeatureStateContext& GetMutableRuntimeFeatureStateContext();
// Returns a const reference to a blink::RuntimeFeatureStateContext object.
// Once the commit params are sent to the renderer we no longer allow write
// access to the RFSC, but read access is still available.
const blink::RuntimeFeatureStateContext& GetRuntimeFeatureStateContext();
BrowsingContextGroupSwap browsing_context_group_swap() const {
return browsing_context_group_swap_;
}
// If the navigation fails before commit and |pending_navigation_api_key_| has
// been set, then the renderer will be notified of the pre-commit failure and
// provide |pending_navigation_api_key_| so that the Navigation API can fire
// events and reject promises.
// This should only be set if this request's frame initiated the navigation,
// because only the initiating frame has outstanding promises to reject.
void set_pending_navigation_api_key(absl::optional<std::string> key) {
pending_navigation_api_key_ = key;
}
// Returns the navigation token for this request if this NavigationRequest
// is for a history navigation, and it might be cancelled via the navigate
// event. In that case, any associated subframe history navigations will be
// deferred until this navigation commits.
// This may only be called if this is a main-frame same-document navigation.
// Will return a valid token if canceling traversals via the navigate event is
// enabled, this is a history navigation, a navigate event is registered in
// the renderer, and the frame has met the user activation requirements to be
// allowed to cancel the navigation.
// This token will then be provided to the subframe NavigationRequests via
// set_main_frame_same_document_history_token().
absl::optional<base::UnguessableToken>
GetNavigationTokenForDeferringSubframes();
// For subframe NavigationRequests, these set and return the main frame's
// NavigationRequest token, in the case that the main frame returns it from
// GetNavigationTokenForDeferringSubframes().
void set_main_frame_same_document_history_token(
absl::optional<base::UnguessableToken> token) {
main_frame_same_document_navigation_token_ = token;
}
absl::optional<base::UnguessableToken>
main_frame_same_document_history_token() {
return main_frame_same_document_navigation_token_;
}
// When a SubframeHistoryNavigationThrottle is created, it registers itself
// with the NavigationRequest for the main frame. If the main frame
// NavigationRequest commits, then these throttles will be resumed in
// UnblockPendingSubframeNavigationRequestsIfNeeded().
// If it is canceled instead, these throttles will all be canceled.
// Takes a WeakPtr because `throttle` is owned by another NavigationRequest,
// and that request may be canceled outside of our control, in which case
// `throttle` will be destroyed.
void AddDeferredSubframeNavigationThrottle(
base::WeakPtr<SubframeHistoryNavigationThrottle> throttle);
std::unique_ptr<RenderFrameHostImpl::CookieChangeListener>
TakeCookieChangeListener() {
return std::move(cookie_change_listener_);
}
// When this returns true, the user has specified that third-party cookies
// should remain enabled for this navigation.
// It does so by checking the Blink runtime-enabled feature (BREF) for
// third-party cookie deprecation user bypass. This pulls the BREF from a
// pending navigation request context; for a committed frame use
// RenderFrameHostImpl::GetIsThirdPartyCookiesUserBypassEnabled.
// For a subframe, the BREF is *not* pulled from the pending navigation
// request and is instead pulled from the committed context on the main frame.
bool GetIsThirdPartyCookiesUserBypassEnabled();
private:
friend class NavigationRequestTest;
struct ConsoleMessage {
blink::mojom::ConsoleMessageLevel level;
std::string message;
};
NavigationRequest(
FrameTreeNode* frame_tree_node,
blink::mojom::CommonNavigationParamsPtr common_params,
blink::mojom::BeginNavigationParamsPtr begin_params,
blink::mojom::CommitNavigationParamsPtr commit_params,
bool browser_initiated,
bool from_begin_navigation,
bool is_synchronous_renderer_commit,
const FrameNavigationEntry* frame_navigation_entry,
NavigationEntryImpl* navitation_entry,
std::unique_ptr<NavigationUIData> navigation_ui_data,
scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory,
mojo::PendingAssociatedRemote<mojom::NavigationClient> navigation_client,
scoped_refptr<PrefetchedSignedExchangeCache>
prefetched_signed_exchange_cache,
base::WeakPtr<RenderFrameHostImpl> rfh_restored_from_back_forward_cache,
int initiator_process_id,
bool was_opener_suppressed,
bool is_pdf,
bool is_embedder_initiated_fenced_frame_navigation = false,
mojo::PendingReceiver<mojom::NavigationRendererCancellationListener>
renderer_cancellation_listener = mojo::NullReceiver());
// Checks if this navigation may activate a prerendered page. If it's
// possible, schedules to start running CommitDeferringConditions for
// prerendered page activation and returns true.
bool MaybeStartPrerenderingActivationChecks();
// Called from OnCommitDeferringConditionChecksComplete() if this request is
// activating a prerendered page.
void OnPrerenderingActivationChecksComplete(
CommitDeferringCondition::NavigationType navigation_type,
absl::optional<int> candidate_prerender_frame_tree_node_id);
// Get the `FencedFrameURLMapping` associated with the current page.
FencedFrameURLMapping& GetFencedFrameURLMap();
// True if this is a fenced frame navigation to an urn:uuid.
bool NeedFencedFrameURLMapping();
// FencedFrameURLMapping::MappingResultObserver implementation.
// Called from `FencedFrameURLMapping` when the mapping decision is made, and
// resume the deferred navigation.
void OnFencedFrameURLMappingComplete(
const absl::optional<FencedFrameProperties>& properties) override;
// Called from BeginNavigation(), OnPrerenderingActivationChecksComplete(),
// or OnFencedFrameURLMappingComplete().
void BeginNavigationImpl();
// Checks if the response requests an isolated origin via the
// Origin-Agent-Cluster header, and if so opts in the origin to be isolated.
void CheckForIsolationOptIn(const GURL& url);
// Use to manually set Origin-keyed Agent Cluster (OAC) isolation state in
// the event that process-isolation isn't being used for OAC, or
// OAC-by-default means that we're tracking explicit opt-out requests (which
// by definition are same-process).
// TODO(wjmaclean): When we switch to using separate SiteInstances even for
// same-process OAC, then this function can be removed.
void AddSameProcessOriginAgentClusterStateIfNecessary(
const IsolationContext& isolation_context,
const GURL& url);
// Returns whether this navigation request is requesting opt-in
// origin-isolation.
bool IsOriginAgentClusterOptInRequested();
// Returns whether this navigation request is requesting opt-out from
// origin-isolation. Always returns false if
// AreOriginAgentClustersEnabledByDefault() is false.
bool IsOriginAgentClusterOptOutRequested();
// Returns whether defaulting to origin-keyed agent cluster (without
// necessarily an origin-keyed process) is enabled.
bool AreOriginAgentClustersEnabledByDefault() const;
// Returns whether this navigation request should use an origin-keyed
// agent cluster (but not an origin-keyed process).
bool IsIsolationImplied();
// The Origin-Agent-Cluster end result is determined early in the lifecycle of
// a NavigationRequest, but used late. In particular, we want to trigger use
// counters and console warnings once navigation has committed.
void DetermineOriginAgentClusterEndResult();
void ProcessOriginAgentClusterEndResult();
void PopulateDocumentTokenForCrossDocumentNavigation();
// NavigationURLLoaderDelegate implementation.
void OnRequestRedirected(
const net::RedirectInfo& redirect_info,
const net::NetworkAnonymizationKey& network_anonymization_key,
network::mojom::URLResponseHeadPtr response_head) override;
void OnResponseStarted(
network::mojom::URLLoaderClientEndpointsPtr url_loader_client_endpoints,
network::mojom::URLResponseHeadPtr response_head,
mojo::ScopedDataPipeConsumerHandle response_body,
GlobalRequestID request_id,
bool is_download,
net::NetworkAnonymizationKey network_anonymization_key,
absl::optional<SubresourceLoaderParams> subresource_loader_params,
EarlyHints early_hints) override;
void OnRequestFailed(
const network::URLLoaderCompletionStatus& status) override;
absl::optional<NavigationEarlyHintsManagerParams>
CreateNavigationEarlyHintsManagerParams(
const network::mojom::EarlyHints& early_hints) override;
// To be called whenever a navigation request fails. If |skip_throttles| is
// true, the registered NavigationThrottle(s) won't get a chance to intercept
// NavigationThrottle::WillFailRequest. It should be used when a request
// failed due to a throttle result itself. |error_page_content| is only used
// when |skip_throttles| is true. If |collapse_frame| is true, the associated
// frame tree node is collapsed.
void OnRequestFailedInternal(
const network::URLLoaderCompletionStatus& status,
bool skip_throttles,
const absl::optional<std::string>& error_page_content,
bool collapse_frame);
// Helper to determine whether an error page for the provided error code
// should stay in the current process.
enum ErrorPageProcess {
kCurrentProcess,
kDestinationProcess,
kIsolatedProcess
};
ErrorPageProcess ComputeErrorPageProcess(int net_error);
// Called when the NavigationThrottles have been checked by the
// NavigationHandle.
void OnStartChecksComplete(NavigationThrottle::ThrottleCheckResult result);
void OnRedirectChecksComplete(NavigationThrottle::ThrottleCheckResult result);
void OnFailureChecksComplete(NavigationThrottle::ThrottleCheckResult result);
void OnWillProcessResponseChecksComplete(
NavigationThrottle::ThrottleCheckResult result);
void OnWillCommitWithoutUrlLoaderChecksComplete(
NavigationThrottle::ThrottleCheckResult result);
// Runs CommitDeferringConditions.
//
// For prerendered page activation, this is called at the beginning of the
// navigation (i.e., in BeginNavigation()). This is because activating a
// prerendered page must be an atomic, synchronous operation so there is no
// chance for the prerender to be cancelled during the operation. The
// CommitDeferringConditions are asynchronous, so they run at the beginning
// of navigation. Once they finish, the atomic activation sequence runs.
void RunCommitDeferringConditions();
// Similar to the NavigationThrottle checks above but this is called from
// CommitDeferringConditionRunner rather than NavigationThrottles and is
// invoked after all throttle checks and commit checks have completed and the
// navigation can proceed to commit.
void OnCommitDeferringConditionChecksComplete(
CommitDeferringCondition::NavigationType navigation_type,
absl::optional<int> candidate_prerender_frame_tree_node_id) override;
// Called either by OnFailureChecksComplete() or OnRequestFailed() directly.
// |error_page_content| contains the content of the error page (i.e. flattened
// HTML, JS, CSS).
void CommitErrorPage(const absl::optional<std::string>& error_page_content);
// Have a RenderFrameHost commit the navigation. The NavigationRequest will
// be destroyed sometime after this call, typically after the renderer has
// informed the browser process that the commit has finished.
void CommitNavigation();
// Commits the navigation to an existing page (back-forward cache navigation
// or prerender activation). NavigationRequest will be destroyed after this
// call.
void CommitPageActivation();
// Checks if the specified CSP context's relevant CSP directive
// allows the navigation. This is called to perform the frame-src
// and navigate-to checks.
bool IsAllowedByCSPDirective(
const std::vector<network::mojom::ContentSecurityPolicyPtr>& policies,
network::CSPContext* context,
network::mojom::CSPDirectiveName directive,
bool has_followed_redirect,
bool url_upgraded_after_redirect,
bool is_response_check,
bool is_opaque_fenced_frame,
network::CSPContext::CheckCSPDisposition disposition);
// Checks if CSP allows the navigation. This will check the frame-src,
// fenced-frame-src and navigate-to directives. Returns net::OK if the checks
// pass, and net::ERR_ABORTED or net::ERR_BLOCKED_BY_CSP depending on which
// checks fail.
net::Error CheckCSPDirectives(
RenderFrameHostCSPContext parent_context,
const PolicyContainerPolicies* parent_policies,
RenderFrameHostCSPContext initiator_context,
const PolicyContainerPolicies* initiator_policies,
bool has_followed_redirect,
bool url_upgraded_after_redirect,
bool is_response_check,
network::CSPContext::CheckCSPDisposition disposition);
// Check whether a request should be allowed to continue or should be blocked
// because it violates a CSP. This method can have two side effects:
// - If a CSP is configured to send reports and the request violates the CSP,
// a report will be sent.
// - The navigation request may be upgraded from HTTP to HTTPS if a CSP is
// configured to upgrade insecure requests.
net::Error CheckContentSecurityPolicy(bool has_followed_redirect,
bool url_upgraded_after_redirect,
bool is_response_check);
// Builds the parameters used to commit a navigation to a page that was
// restored from the back-forward cache.
mojom::DidCommitProvisionalLoadParamsPtr
MakeDidCommitProvisionalLoadParamsForBFCacheRestore();
// Builds the parameters used to commit a navigation to a prerendered page
// that was activated.
mojom::DidCommitProvisionalLoadParamsPtr
MakeDidCommitProvisionalLoadParamsForPrerenderActivation();
// Builds generic activation parameters used to commit a navigation to a page.
mojom::DidCommitProvisionalLoadParamsPtr
MakeDidCommitProvisionalLoadParamsForActivation();
// This enum describes the result of the credentialed subresource check for
// the request.
enum class CredentialedSubresourceCheckResult {
ALLOW_REQUEST,
BLOCK_REQUEST,
};
// Chrome blocks subresource requests whose URLs contain embedded credentials
// (e.g. `https://user:pass@example.com/page.html`). Check whether the
// request should be allowed to continue or should be blocked.
CredentialedSubresourceCheckResult CheckCredentialedSubresource() const;
// This enum describes the result of the legacy protocol check for
// the request.
enum class LegacyProtocolInSubresourceCheckResult {
ALLOW_REQUEST,
BLOCK_REQUEST,
};
// Block about:srcdoc navigation that aren't expected to happen. For instance,
// main frame navigations or about:srcdoc#foo.
enum class AboutSrcDocCheckResult {
ALLOW_REQUEST,
BLOCK_REQUEST,
};
AboutSrcDocCheckResult CheckAboutSrcDoc() const;
// When the embedder requires the use of Content Security Policy via Embedded
// Enforcement, framed documents must either:
// 1. Use the 'allow-csp-from' header to opt-into enforcement.
// 2. Enforce its own CSP that subsumes the required CSP.
// Framed documents that fail to do either of these will be blocked.
//
// See:
// - https://w3c.github.io/webappsec-cspee/#required-csp-header
// - https://w3c.github.io/webappsec-cspee/#allow-csp-from-header
//
// SetupCSPEmbeddedEnforcement() retrieve the iframe 'csp' attribute applying.
// CheckCSPEmbeddedEnforcement() inspects the response headers. It decides if
// the 'csp' attribute should be installed into the child. This might also
// block it and display an error page instead.
void SetupCSPEmbeddedEnforcement();
enum class CSPEmbeddedEnforcementResult {
ALLOW_RESPONSE,
BLOCK_RESPONSE,
};
CSPEmbeddedEnforcementResult CheckCSPEmbeddedEnforcement();
// Called before a commit. Updates the history index and length held in
// CommitNavigationParams. This is used to update this shared state with the
// renderer process.
void UpdateCommitNavigationParamsHistory();
// Called when the renderer requesting a navigation cancellation, or because
// the renderer crashed.
void OnRendererRequestedNavigationCancellation();
// Binds the given error_handler to be called when an interface disconnection
// happens on the renderer side.
void HandleInterfaceDisconnection(
mojo::AssociatedRemote<mojom::NavigationClient>*,
base::OnceClosure error_handler);
// When called, this NavigationRequest will no longer interpret the interface
// disconnection on the renderer side as an AbortNavigation.
// TODO(ahemery): remove this function when NavigationRequest properly handles
// interface disconnection in all cases.
void IgnoreInterfaceDisconnection();
// Sets ID of the RenderProcessHost we expect the navigation to commit in.
// This is used to inform the RenderProcessHost to expect a navigation to the
// url we're navigating to.
void SetExpectedProcess(RenderProcessHost* expected_process);
// Inform the RenderProcessHost to no longer expect a navigation.
void ResetExpectedProcess();
// If this is a same-site main-frame navigation where we did a proactive
// BrowsingInstance swap but we're reusing the old page's process, we need
// to send the routing ID and the updated lifecycle state of the old page so
// that we can run pagehide and visibilitychange handlers of the old page
// when we commit the new page.
void AddOldPageInfoToCommitParamsIfNeeded();
// Record download related UseCounters when navigation is a download before
// filtered by download_policy.
void RecordDownloadUseCountersPrePolicyCheck();
// Record download related UseCounters when navigation is a download after
// filtered by download_policy.
void RecordDownloadUseCountersPostPolicyCheck();
// NavigationThrottleRunner::Delegate:
void OnNavigationEventProcessed(
NavigationThrottleRunner::Event event,
NavigationThrottle::ThrottleCheckResult result) override;
void OnWillStartRequestProcessed(
NavigationThrottle::ThrottleCheckResult result);
void OnWillRedirectRequestProcessed(
NavigationThrottle::ThrottleCheckResult result);
void OnWillFailRequestProcessed(
NavigationThrottle::ThrottleCheckResult result);
void OnWillProcessResponseProcessed(
NavigationThrottle::ThrottleCheckResult result);
void OnWillCommitWithoutUrlLoaderProcessed(
NavigationThrottle::ThrottleCheckResult result);
void CancelDeferredNavigationInternal(
NavigationThrottle::ThrottleCheckResult result);
// TODO(zetamoo): Remove the Will* methods and fold them into their callers.
// Called when the URLRequest will start in the network stack.
void WillStartRequest();
// Called when the URLRequest will be redirected in the network stack.
// This will also inform the delegate that the request was redirected.
//
// |post_redirect_process| is the renderer process we expect to use to commit
// the navigation now that it has been redirected. It can be null if there is
// no live process that can be used. In that case, a suitable renderer process
// will be created at commit time.
//
void WillRedirectRequest(const GURL& new_referrer_url,
RenderProcessHost* post_redirect_process);
// Called when the URLRequest will fail.
void WillFailRequest();
// Called when the URLRequest has delivered response headers and metadata.
// |callback| will be called when all throttle checks have completed,
// allowing the caller to cancel the navigation or let it proceed.
// NavigationHandle will not call |callback| with a result of DEFER.
// If the result is PROCEED, then 'ReadyToCommitNavigation' will be called
// just before calling |callback|.
void WillProcessResponse();
// Called when no URLRequest will be needed to perform this navigation, just
// before commit.
void WillCommitWithoutUrlLoader();
// Checks for attempts to navigate to a page that is already referenced more
// than once in the frame's ancestors. This is a helper function used by
// WillStartRequest and WillRedirectRequest to prevent the navigation.
bool IsSelfReferentialURL();
// RenderProcessHostObserver implementation.
void RenderProcessExited(RenderProcessHost* host,
const ChildProcessTerminationInfo& info) override;
void RenderProcessHostDestroyed(RenderProcessHost* host) override;
// Updates navigation handle timings.
void UpdateNavigationHandleTimingsOnResponseReceived(bool is_first_response);
void UpdateNavigationHandleTimingsOnCommitSent();
// Helper function that computes the SiteInfo for |common_params_.url|.
// Note: |site_info_| should only be updated with the result of this function.
SiteInfo GetSiteInfoForCommonParamsURL();
// Updates the state of the navigation handle after encountering a server
// redirect.
void UpdateStateFollowingRedirect(const GURL& new_referrer_url);
// Updates |private_network_request_policy_| for ReadyToCommitNavigation().
//
// Must not be called for same-document navigation requests nor for requests
// served from the back-forward cache or from prerendered pages.
void UpdatePrivateNetworkRequestPolicy();
// Called when the navigation is ready to be committed. This will update the
// |state_| and inform the delegate.
void ReadyToCommitNavigation(bool is_error);
// Called if READY_TO_COMMIT -> COMMIT state transition takes an unusually
// long time.
void OnCommitTimeout();
// Called by the RenderProcessHost to handle the case when the process changed
// its state of being blocked.
void RenderProcessBlockedStateChanged(bool blocked);
void StopCommitTimeout();
void RestartCommitTimeout();
std::vector<std::string> TakeRemovedRequestHeaders() {
return std::move(removed_request_headers_);
}
net::HttpRequestHeaders TakeModifiedRequestHeaders() {
return std::move(modified_request_headers_);
}
// Returns true if the contents of |common_params_| requires
// |source_site_instance_| to be set. This is used to ensure that data: and
// about:blank URLs with valid initiator origins always have
// |source_site_instance_| set so that site isolation enforcements work
// properly.
bool RequiresInitiatorBasedSourceSiteInstance() const;
// Sets |source_site_instance_| to a SiteInstance that is derived from
// |common_params_->initiator_origin| and related to the |frame_tree_node_|'s
// current SiteInstance. |source_site_instance_| is only set if it doesn't
// already have a value and RequiresInitiatorBasedSourceSiteInstance() returns
// true.
void SetSourceSiteInstanceToInitiatorIfNeeded();
// See RestartBackForwardCachedNavigation.
void RestartBackForwardCachedNavigationImpl();
void ForceEnableOriginTrials(const std::vector<std::string>& trials) override;
void CreateCoepReporter(StoragePartition* storage_partition);
// [spec]: https://html.spec.whatwg.org/C/#obtain-an-embedder-policy
//
// Returns the CrossOriginEmbedderPolicy for the document, which is inherited
// or retrieved from response headers.
network::CrossOriginEmbedderPolicy ComputeCrossOriginEmbedderPolicy();
// [spec]:
// https://html.spec.whatwg.org/C/#check-a-navigation-response's-adherence-to-its-embedder-policy
//
// Return whether the response's COEP is compatible with its parent's COEP. It
// also sends COEP reports if needed.
bool CheckResponseAdherenceToCoep(const GURL& url);
absl::optional<network::mojom::BlockedByResponseReason> EnforceCOEP();
// Check the COOP value of the page is compatible with the COEP value of each
// of its documents. COOP:kSameOriginPlusCoep is incompatible with COEP:kNone.
// If they aren't, this returns false and emits a crash report.
bool CoopCoepSanityCheck();
// Checks that, given an origin to be committed, all of the permissions
// policies that a fenced frame requires to be enabled are enabled. If not, it
// logs a console message and returns false.
bool CheckPermissionsPoliciesForFencedFrames(const url::Origin&);
// Helper function that determines if a given required permissions policy
// feature is properly enabled for a given origin to be committed.
bool IsFencedFrameRequiredPolicyFeatureAllowed(
const url::Origin&,
const blink::mojom::PermissionsPolicyFeature feature);
// Returns the user-agent override, or an empty string if one isn't set.
std::string GetUserAgentOverride();
mojo::PendingRemote<network::mojom::CookieAccessObserver>
CreateCookieAccessObserver();
// network::mojom::CookieAccessObserver:
void OnCookiesAccessed(
network::mojom::CookieAccessDetailsPtr details) override;
void Clone(mojo::PendingReceiver<network::mojom::CookieAccessObserver>
observer) override;
// Convenience function to return the NavigationControllerImpl this
// NavigationRequest is in.
NavigationControllerImpl* GetNavigationController();
// Convenience function to return the PrerenderHostRegistry this
// NavigationRequest can be associated with.
PrerenderHostRegistry& GetPrerenderHostRegistry();
// Returns the RenderFrameHost of the initiator document, iff there is such
// a document and its RenderFrameHost has not committed a different document
// since this navigation started. Otherwise returns nullptr.
RenderFrameHostImpl* GetInitiatorDocumentRenderFrameHost();
// Records the appropriate kAddressSpace* WebFeature for the response we just
// received on the initiator document, if possible.
void RecordAddressSpaceFeature();
// Computes the PolicyContainerPolicies and the sandbox flags to use for
// committing a regular document.
// Called when the response to commit is known.
void ComputePoliciesToCommit();
// Computes the PolicyContainerPolicies and the sandbox flags to use for
// committing an error document.
//
// Note:
// |ComputePoliciesToCommit()| can be followed by
// |ComputePoliciesToCommitForErrorPage()|. This happens when the decision to
// commit an error document happens after receiving the regular document's
// response.
void ComputePoliciesToCommitForError();
// DCHECK that tranistioning from the current state to |state| valid. This
// does nothing in non-debug builds.
void CheckStateTransition(NavigationState state) const;
// Set |state_| to |state| and also DCHECK that this state transition is
// valid.
void SetState(NavigationState state);
// When a navigation fails, one of two things can happen:
// 1) An error page commits and replaces the old document.
// 2) The navigation is canceled, and the previous document is kept.
//
// If appropriate, this applies (2), deletes |this|, and returns true.
// In that case, the caller must immediately return.
bool MaybeCancelFailedNavigation();
// Called just after a navigation commits (also in case of error): it
// sends all console messages to the final RenderFrameHost.
void SendDeferredConsoleMessages();
bool ShouldRenderFallbackContentForResponse(
const net::HttpResponseHeaders& response_head) const;
// Whether this is a same-URL navigation that should replace the current entry
// or not. Called when the navigation just started.
bool ShouldReplaceCurrentEntryForSameUrlNavigation() const;
// Whether this navigation happens on the initial empty document or initial
// NavigationEntry, and thus should replace the current entry. Called when the
// navigation just started.
bool ShouldReplaceCurrentEntryForNavigationFromInitialEmptyDocumentOrEntry()
const;
// Whether a failed navigation should replace the current entry or not. Called
// when an error page is about to be committed.
bool ShouldReplaceCurrentEntryForFailedNavigation() const;
// Calculates the origin that this NavigationRequest may commit. See also the
// comment of GetOriginToCommit(). Performs calculation without information
// from RenderFrameHostImpl (e.g. CSPs are ignored). Should be used only in
// situations where the final frame host hasn't been determined but the origin
// is needed to create URLLoaderFactory.
url::Origin GetOriginForURLLoaderFactoryBeforeResponse(
network::mojom::WebSandboxFlags sandbox_flags);
// Superset of GetOriginForURLLoaderFactoryBeforeResponse(). Calculates
// the origin with information from the final frame host. Can be called only
// after the final response is received or ready.
absl::optional<url::Origin> GetOriginForURLLoaderFactoryAfterResponse();
// These functions are the same as their non-WithDebugInfo counterparts,
// except that they include information about how the origin gets calculated,
// to help debug if the browser-side calculated origin for this navigation
// differs from the origin calculated on the renderer side.
// TODO(https://crbug.com/1220238): Remove this.
std::pair<url::Origin, std::string>
GetOriginForURLLoaderFactoryBeforeResponseWithDebugInfo(
network::mojom::WebSandboxFlags sandbox_flags);
std::pair<absl::optional<url::Origin>, std::string>
GetOriginForURLLoaderFactoryAfterResponseWithDebugInfo();
// Computes the web-exposed isolation information based on `coop_status_` and
// current `frame_tree_node_` info.
// If the return result is nullopt, it means that the WebExposedIsolationInfo
// is not relevant or unknown. This can happen for example when we do not have
// a network response yet, or when going to an "about:blank" page.
absl::optional<WebExposedIsolationInfo> ComputeWebExposedIsolationInfo();
// Assign an invalid frame tree node id to `prerender_frame_tree_node_id_`.
// Called as soon as when we are certain that this navigation won't activate a
// prerendered page. This is needed because `IsPrerenderedPageActivation()`,
// which may be called at any point after BeginNavigation(), will assume that
// 'prerender_frame_tree_node_id_' has an value assigned.
void MaybeAssignInvalidPrerenderFrameTreeNodeId();
// Check if the current navigation request is to an isolated app and injects
// the appropriate Cross-Origin-Opener-Policy, Cross-Origin-Embedder-Policy,
// Cross-Origin-Resource-Policy, and X-Frame-Options headers to enforce the
// security requirements for isolated apps.
//
// This is a temporary method to make sure that these policies are enforced
// for isolated apps. Longer term, it would be better to validate that these
// headers are included for isolated apps by developers.
// TODO(https://crbug.com/1311061): Remove or replace this method with the
// header validation logic for isolated apps.
void MaybeInjectIsolatedAppHeaders();
// The NavigationDownloadPolicy is currently fully computed by the renderer
// process. It is left empty for browser side initiated navigation. This is a
// problem. This function is an incomplete attempt to start computing it from
// the browser process instead.
// TODO(https://crbug.com/1395742): Complete the implementation the browser
// side implementation.
void ComputeDownloadPolicy();
blink::NavigationDownloadPolicy& download_policy() {
return common_params_->download_policy;
}
// Called on FrameTreeNode's NavigationRequest (if any) when another
// NavigationRequest associated with the same FrameTreeNode is destroyed.
void ResumeCommitIfNeeded();
// Used to detect if the page being navigated to is participating in the
// related deprecation trial and recording that in NavigationControllerImpl.
//
// Not called for same-document navigation requests nor for requests served
// from the back-forward cache or from prerendered pages as work would be
// redundant.
//
// TODO(crbug.com/1407150): Remove this when deprecation trial is complete.
void MaybeRegisterOriginForUnpartitionedSessionStorageAccess();
// See https://crbug.com/1412365
void CheckSoftNavigationHeuristicsInvariants();
// Used to resume any SubframeHistoryNavigationThrottles in this FrameTree
// when this NavigationRequest commits.
// `subframe_history_navigation_throttles_` will only be populated if this
// IsInMainFrame().
void UnblockPendingSubframeNavigationRequestsIfNeeded();
// Returns if we should add/reset the `CookieChangeListener` for the current
// navigation.
bool ShouldAddCookieChangeListener();
// Returns the `StoragePartition` based on the config from the `site_info_`.
StoragePartition* GetStoragePartitionWithCurrentSiteInfo();
// Never null. The pointee node owns this navigation request instance.
FrameTreeNode* const frame_tree_node_;
// Used for short-lived NavigationRequest created at DidCommit time for the
// purpose of committing navigation that were not driven by the browser
// process. This is used in only two cases:
// - same-document navigation initiated by the renderer process.
// - the synchronous about:blank navigation.
const bool is_synchronous_renderer_commit_;
// Invariant: At least one of |loader_| or |render_frame_host_| is null.
raw_ptr<RenderFrameHostImpl> render_frame_host_ = nullptr;
// Initialized on creation of the NavigationRequest. Sent to the renderer when
// the navigation is ready to commit.
// Note: When the navigation is ready to commit, the url in |common_params|
// will be set to the final navigation url, obtained after following all
// redirects.
//
// Note: |common_params_| and |begin_params_| are not const as they can be
// modified during redirects.
//
// Note: |commit_params_| is not const because was_discarded will
// be set in CreatedNavigationRequest.
//
// Note: |commit_params_->is_browser_initiated| and |common_params_| may be
// mutated by ContentBrowserClient::OverrideNavigationParams at construction
// time (i.e. before we actually kick off the navigation).
blink::mojom::CommonNavigationParamsPtr common_params_;
blink::mojom::BeginNavigationParamsPtr begin_params_;
blink::mojom::CommitNavigationParamsPtr commit_params_;
bool same_origin_ = false;
// This member is calculated at ReadyToCommit time. It is used to compare
// against renderer calculated origin and browser calculated one at commit
// time.
std::pair<absl::optional<url::Origin>, std::string>
browser_side_origin_to_commit_with_debug_info_;
// Stores the NavigationUIData for this navigation until the NavigationHandle
// is created. This can be null if the embedded did not provide a
// NavigationUIData at the beginning of the navigation.
std::unique_ptr<NavigationUIData> navigation_ui_data_;
// URLLoaderFactory to facilitate loading blob URLs.
const scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory_;
NavigationState state_ = NOT_STARTED;
bool is_navigation_started_ = false;
std::unique_ptr<NavigationURLLoader> loader_;
bool navigation_visible_to_embedder_ = false;
#if BUILDFLAG(IS_ANDROID)
// For each C++ NavigationHandle, there is a Java counterpart. It is the JNI
// bridge in between the two.
std::unique_ptr<NavigationHandleProxy> navigation_handle_proxy_;
#endif
// These next items are used in browser-initiated navigations to store
// information from the NavigationEntryImpl that is required after request
// creation time.
scoped_refptr<SiteInstanceImpl> source_site_instance_;
scoped_refptr<SiteInstanceImpl> dest_site_instance_;
const RestoreType restore_type_;
const ReloadType reload_type_;
const int nav_entry_id_;
int bindings_ = FrameNavigationEntry::kInvalidBindings;
scoped_refptr<SiteInstanceImpl> starting_site_instance_;
// Whether the navigation should be sent to a renderer a process. This is
// true, except for 204/205 responses and downloads.
bool response_should_be_rendered_ = false;
// Whether devtools overrides were applied on the User-Agent request header.
bool devtools_user_agent_override_ = false;
// Whether devtools overrides were applied on the Accept-Language request
// header.
bool devtools_accept_language_override_ = false;
// The type of RenderFrameHost associated with this navigation.
AssociatedRenderFrameHostType associated_rfh_type_ =
AssociatedRenderFrameHostType::NONE;
// Stores the SiteInstance created on redirects to check if there is an
// existing RenderProcessHost that can commit the navigation so that the
// renderer process is not deleted while the navigation is ongoing. If the
// SiteInstance was a brand new SiteInstance, it is not stored.
scoped_refptr<SiteInstance> speculative_site_instance_;
// Whether the NavigationRequest was created after receiving a BeginNavigation
// IPC. When true, main frame navigations should not commit in a different
// process (unless asked by the content/ embedder). When true, the renderer
// process expects to be notified if the navigation is aborted.
const bool from_begin_navigation_;
// Holds objects received from OnResponseStarted while the WillProcessResponse
// checks are performed by the NavigationHandle. Once the checks have been
// completed, these objects will be used to continue the navigation.
network::mojom::URLResponseHeadPtr response_head_;
mojo::ScopedDataPipeConsumerHandle response_body_;
network::mojom::URLLoaderClientEndpointsPtr url_loader_client_endpoints_;
absl::optional<net::SSLInfo> ssl_info_;
absl::optional<net::AuthChallengeInfo> auth_challenge_info_;
bool is_download_ = false;
GlobalRequestID request_id_;
std::unique_ptr<NavigationEarlyHintsManager> early_hints_manager_;
// Holds information for the navigation while the WillFailRequest
// checks are performed by the NavigationHandle.
bool has_stale_copy_in_cache_ = false;
net::Error net_error_ = net::OK;
int extended_error_code_ = 0;
// Detailed host resolution error information. The error code in
// |resolve_error_info_.error| should be consistent with (but not necessarily
// the same as) |net_error_|. In the case of a host resolution error, for
// example, |net_error_| should be ERR_NAME_NOT_RESOLVED while
// |resolve_error_info_.error| may give a more detailed error such as
// ERR_DNS_TIMED_OUT.
net::ResolveErrorInfo resolve_error_info_;
// Identifies in which RenderProcessHost this navigation is expected to
// commit.
int expected_render_process_host_id_ = ChildProcessHost::kInvalidUniqueID;
// The SiteInfo of this navigation, as obtained from
// SiteInstanceImpl::ComputeSiteInfo().
SiteInfo site_info_;
base::OnceClosure on_start_checks_complete_closure_;
// Used in the network service world to pass the subressource loader params
// to the renderer. Used by ServiceWorker and
// SignedExchangeSubresourcePrefetch.
absl::optional<SubresourceLoaderParams> subresource_loader_params_;
// DocumentToken to use for the newly-committed document in a cross-document
// navigation. Currently set immediately before sending CommitNavigation to
// the renderer. In the future, this may be populated earlier to allow lookup
// of a navigation request by the document that it may create, similar to how
// `NavigationOrDocumentHandle` behaves.
absl::optional<blink::DocumentToken> document_token_;
// See comment on accessor.
const base::UnguessableToken devtools_navigation_token_ =
base::UnguessableToken::Create();
absl::optional<std::vector<blink::mojom::TransferrableURLLoaderPtr>>
subresource_overrides_;
// The NavigationClient interface for that requested this navigation in the
// case of a renderer initiated navigation. It is expected to be bound until
// this navigation commits or is canceled.
mojo::AssociatedRemote<mojom::NavigationClient> request_navigation_client_;
// The NavigationClient interface used to commit the navigation. For now, this
// is only used for same-site renderer-initiated navigation.
// TODO(clamy, ahemery): Extend to all types of navigation.
mojo::AssociatedRemote<mojom::NavigationClient> commit_navigation_client_;
// If set, any redirects to HTTP for this navigation will be upgraded to
// HTTPS. This is used only on subframe navigations, when
// upgrade-insecure-requests is set as a CSP policy.
bool upgrade_if_insecure_ = false;
// The offset of the new document in the history.
const int navigation_entry_offset_ = 0;
// Owns the NavigationThrottles associated with this navigation, and is
// responsible for notifying them about the various navigation events.
std::unique_ptr<NavigationThrottleRunner> throttle_runner_;
// Once the navigation has passed all throttle checks the navigation will
// commit. However, we may need to defer the commit until certain conditions
// are met. CommitDeferringConditionRunner is responsible for deferring a
// commit if needed and resuming it, by calling
// OnCommitDeferringConditionChecksComplete, once all checks passed.
//
// For prerendered page activation, it doesn't run the NavigationThrottles and
// run the CommitDeferringConditionRunner at the beginning of
// BeginNavigation(). See the comment on RunCommitDeferringConditions() for
// details.
std::unique_ptr<CommitDeferringConditionRunner> commit_deferrer_;
// Indicates whether the navigation changed which NavigationEntry is current.
bool subframe_entry_committed_ = false;
// True if the committed entry has replaced the existing one.
// A non-user initiated redirect causes such replacement.
bool did_replace_entry_ = false;
// Set to false if we want to update the session history but not update the
// browser history. E.g., on unreachable urls or navigations in non-primary
// frame trees or portals.
bool should_update_history_ = false;
// The previous main frame URL that the user was on. This may be empty if
// there was no last committed entry.
GURL previous_main_frame_url_;
// The type of navigation that just occurred. Note that not all types of
// navigations in the enum are valid here, since some of them don't actually
// cause a "commit" and won't generate this notification.
NavigationType navigation_type_ = NAVIGATION_TYPE_UNKNOWN;
// The chain of redirects, including client-side redirect and the current URL.
// TODO(zetamoo): Try to improve redirect tracking during navigation.
std::vector<GURL> redirect_chain_;
// TODO(zetamoo): Try to remove this by always sanitizing the referrer in
// common_params_.
blink::mojom::ReferrerPtr sanitized_referrer_;
bool was_redirected_ = false;
// Whether this navigation was triggered by a x-origin redirect following a
// prior (most likely <a download>) download attempt.
bool from_download_cross_origin_redirect_ = false;
// Used to hold prefetched signed exchanges. This is shared with the
// navigation initiator's RenderFrameHostImpl. This also means that only the
// navigations that were directly initiated by the frame that made the
// prefetches could use the prefetched resources, which is a different
// behavior from regular prefetches (where all prefetched resources are
// stored and shared in http cache).
scoped_refptr<PrefetchedSignedExchangeCache>
prefetched_signed_exchange_cache_;
// Timing information of loading for the navigation. Used for recording UMAs.
NavigationHandleTiming navigation_handle_timing_;
// The time this navigation was ready to commit.
base::TimeTicks ready_to_commit_time_;
// The time WillStartRequest() was called.
base::TimeTicks will_start_request_time_;
// Set in ReadyToCommitNavigation.
bool is_same_process_ = true;
// If set, starting the navigation will immediately result in an error page
// with this html as content and |net_error| as the network error.
std::string post_commit_error_page_html_;
// This test-only callback will be run when BeginNavigation() is called.
base::OnceClosure begin_navigation_callback_for_testing_;
// This test-only callback will be run when all throttle checks have been
// performed. If the callback returns true, On*ChecksComplete functions are
// skipped, and only the test callback is being performed.
// TODO(clamy): Revisit the unit test architecture.
ThrottleChecksFinishedCallback complete_callback_for_testing_;
// Test-only callback. Called when we're ready to call CommitNavigation.
// Unlike above, this is informational only; it does not affect the request.
base::OnceClosure ready_to_commit_callback_for_testing_;
// Which proxy server was used for this navigation, if any.
net::ProxyServer proxy_server_;
// Unique id that identifies the navigation for which this NavigationRequest
// is created.
const int64_t navigation_id_ = ++unique_id_counter_;
// static member for generating the unique id above.
static int64_t unique_id_counter_;
// Manages the lifetime of a pre-created ServiceWorkerContainerHost until a
// corresponding container is created in the renderer.
std::unique_ptr<ServiceWorkerMainResourceHandle> service_worker_handle_;
// Timer for detecting an unexpectedly long time to commit a navigation.
base::OneShotTimer commit_timeout_timer_;
base::CallbackListSubscription
render_process_blocked_state_changed_subscription_;
// The headers used for the request. The value of this comes from
// |begin_params_->headers|. If not set, it needs to be calculated.
absl::optional<net::HttpRequestHeaders> request_headers_;
// Used to update the request's headers. When modified during the navigation
// start, the headers will be applied to the initial network request. When
// modified during a redirect, the headers will be applied to the redirected
// request.
net::HttpRequestHeaders modified_request_headers_;
net::HttpRequestHeaders cors_exempt_request_headers_;
// Set of headers to remove during the redirect phase. This can only be
// modified during the redirect phase.
std::vector<std::string> removed_request_headers_;
// A WeakPtr for the RenderFrameHost that is being restored from the
// back/forward cache. This can be null if this navigation is not restoring a
// page from the back/forward cache, or if the RenderFrameHost to restore was
// evicted and destroyed after the NavigationRequest was created.
base::WeakPtr<RenderFrameHostImpl> rfh_restored_from_back_forward_cache_;
// Whether the navigation is for restoring a page from the back/forward cache
// or not. Note that this can be true even when
// `rfh_restored_from_back_forward_cache_` is null, if the RenderFrameHost to
// restore was evicted and destroyed after the NavigationRequest was created.
const bool is_back_forward_cache_restore_;
// These are set to the values from the FrameNavigationEntry this
// NavigationRequest is associated with (if any).
int64_t frame_entry_item_sequence_number_ = -1;
int64_t frame_entry_document_sequence_number_ = -1;
// If non-empty, it represents the IsolationInfo explicitly asked to be used
// for this NavigationRequest.
absl::optional<net::IsolationInfo> isolation_info_;
// This is used to store the current_frame_host id at request creation time.
const GlobalRenderFrameHostId previous_render_frame_host_id_;
// Frame token of the frame host that initiated the navigation, derived from
// |begin_params().initiator_frame_token|. This is best effort: it is only
// defined for some renderer-initiated navigations (e.g., not drag and drop).
// The frame with the corresponding frame token may have been deleted before
// the navigation begins. This parameter is defined if and only if
// |initiator_process_id_| below is.
const absl::optional<blink::LocalFrameToken> initiator_frame_token_;
// ID of the renderer process of the frame host that initiated the navigation.
// This is defined if and only if |initiator_frame_token_| above is, and it is
// only valid in conjunction with it.
const int initiator_process_id_ = ChildProcessHost::kInvalidUniqueID;
// Whether a navigation in a new window had the opener suppressed. False if
// the navigation is not in a new window. Can only be true for renderer
// initiated navigations which use `CreateBrowserInitiated()`.
const bool was_opener_suppressed_ = false;
// This tracks a connection between the current pending entry and this
// request, such that the pending entry can be discarded if no requests are
// left referencing it.
std::unique_ptr<NavigationControllerImpl::PendingEntryRef> pending_entry_ref_;
// Used only by DCHECK.
// True if the NavigationThrottles are running an event, the request then can
// be cancelled for deferring.
bool processing_navigation_throttle_ = false;
// True if we are restarting this navigation request as the RenderFrameHost
// was evicted.
bool restarting_back_forward_cached_navigation_ = false;
// Holds the required CSP for this navigation. This will be moved into
// the RenderFrameHost at DidCommitNavigation time.
network::mojom::ContentSecurityPolicyPtr required_csp_;
// Whether the document loaded by this navigation will be committed inside an
// iframe credentialless. Documents loaded inside credentialless iframes get
// partitioned storage and use a transient NetworkAnonymizationKey.
const bool is_credentialless_;
// Non-nullopt from construction until |TakePolicyContainerHost()| is called.
absl::optional<NavigationPolicyContainerBuilder> policy_container_builder_;
std::unique_ptr<CrossOriginEmbedderPolicyReporter> coep_reporter_;
std::unique_ptr<PeakGpuMemoryTracker> loading_mem_tracker_;
// Structure tracking the effects of the CrossOriginOpenerPolicy on this
// navigation.
CrossOriginOpenerPolicyStatus coop_status_{this};
#if DCHECK_IS_ON()
bool is_safe_to_delete_ = true;
#endif
// UKM source associated with the page we are navigated away from.
const ukm::SourceId previous_page_ukm_source_id_;
// If true, changes to the user-agent override require a reload. If false, a
// reload is not necessary.
bool ua_change_requires_reload_ = true;
// Controls whether or not an error page is displayed on error. If set to
// true, an error will be treated as if the user simply cancelled the
// navigation.
bool silently_ignore_errors_ = false;
// Similar but only suppresses the error page when the error code is
// net::ERR_BLOCKED_BY_CLIENT.
bool silently_ignore_blocked_by_client_ = false;
// Whether the navigation loads an MHTML document or a subframe of an MHTML
// document. The navigation might or might not be fullfilled from the MHTML
// archive (see `is_mhtml_subframe_loaded_from_achive` in the NeedsUrlLoader
// method).
bool is_mhtml_or_subframe_ = false;
// True when at least one preload Link header was received via an Early Hints
// response. This is set only for a main frame navigation.
bool was_resource_hints_received_ = false;
// Set to true when this navigation has created parameters for
// NavigationEarlyHintsManager. Used to check whether cross origin redirects
// happened after Early Hints responses are received.
bool did_create_early_hints_manager_params_ = false;
// Set to true when an Early Hints response was received before cross origin
// redirects during navigation.
bool did_receive_early_hints_before_cross_origin_redirect_ = false;
// Observers listening to cookie access notifications for the network requests
// made by this navigation.
mojo::ReceiverSet<network::mojom::CookieAccessObserver> cookie_observers_;
OriginAgentClusterEndResult origin_agent_cluster_end_result_ =
OriginAgentClusterEndResult::kNotRequestedAndNotOriginKeyed;
net::IsolationInfo isolation_info_for_subresources_;
// Set while CommitDeferringConditions are running for prerendered page
// activation. This is needed as PrerenderHost hasn't been reserved and
// prerender_frame_tree_node_id() is not available yet while they are
// running.
bool is_potentially_prerendered_page_activation_for_testing_ = false;
// Set to true before the fenced frame url mapping. Reset to false when the
// mapping finishes. If the initial mapping state of the urn:uuid is pending,
// the mapping will finish asynchronously; otherwise, the mapping will finish
// synchronously.
bool is_deferred_on_fenced_frame_url_mapping_ = false;
// The start time of fenced frame url mapping.
base::TimeTicks fenced_frame_url_mapping_start_time_;
// The root frame tree node id of the prerendered page. This will be a valid
// FrameTreeNode id when this navigation will activate a prerendered page.
// For all other navigations this will be
// RenderFrameHost::kNoFrameTreeNodeId. We only know whether this is the case
// when BeginNavigation is called so the optional will be empty until then
// and callers must not query its value before it's been computed.
absl::optional<int> prerender_frame_tree_node_id_;
// Contains state pertaining to a prerender activation. This is only used if
// this navigation is a prerender activation.
struct PrerenderActivationNavigationState {
PrerenderActivationNavigationState();
~PrerenderActivationNavigationState();
// Used to store a cloned NavigationEntry for activating a prerendered page.
// |prerender_navigation_entry| is cloned and stored in NavigationRequest
// when the prerendered page is transferred to the target FrameTree and is
// consumed when NavigationController needs a new entry to commit.
std::unique_ptr<NavigationEntryImpl> prerender_navigation_entry;
// Used to store the FrameReplicationState for the prerendered page prior to
// activation. Value is to be used to populate
// DidCommitProvisionalLoadParams values and to verify the replication state
// after activation.
blink::mojom::FrameReplicationState prerender_main_frame_replication_state;
};
absl::optional<PrerenderActivationNavigationState>
prerender_navigation_state_;
// The following fields that constitute the ClientSecurityState. This
// state is used to take security decisions about the request, and later on
// when passed to the RenderFrameHostImpl, about the fetching of subresources.
//
// They have some default values and get updated via inheritance or network
// responses/redirects. Finally they get passed down to the
// RenderFrameHostImpl at commit time.
// TODO(ahemery, titouan): Move some elements to the policy container or
// rework inheritance.
// https://crbug.com/1154729
network::mojom::PrivateNetworkRequestPolicy private_network_request_policy_ =
network::mojom::PrivateNetworkRequestPolicy::kWarn;
// The list of web features that were used by the new document during
// navigation. These can only be logged once the document commits, so they are
// held in this vector until then.
std::vector<blink::mojom::WebFeature> web_features_to_log_;
// Messages to be printed on the console in the target RenderFrameHost of this
// NavigationRequest.
std::vector<ConsoleMessage> console_messages_;
// The initiator RenderFrameHost, if the same document is present as when this
// NavigationRequest was created.
WeakDocumentPtr initiator_document_;
// Indicates that this navigation is for PDF content in a renderer.
bool is_pdf_ = false;
// Indicates that this navigation is an embedder-initiated navigation of a
// fenced frame root. That is to say, the navigation is caused by a `src`
// attribute mutation on the <fencedframe> element, which cannot be performed
// from inside the fenced frame tree.
// TODO(crbug.com/1262022): Make this `const` again once ShadowDOM is gone.
bool is_embedder_initiated_fenced_frame_navigation_ = false;
// Indicates that this navigation is to an opaque url (urn:uuid). This value
// may only be true when `is_embedder_initiated_fenced_frame_navigation` is
// true.
const bool is_embedder_initiated_fenced_frame_opaque_url_navigation_ = false;
// Indicates that the target of this navigation is the root of a fenced frame
// tree whose most recent embedder-initiated navigation was to an opaque URL
// (urn:uuid). The most recent navigation may be the current
// NavigationRequest.
const bool is_target_fenced_frame_root_originating_from_opaque_url_ = false;
// On every embedder-initiated navigation of a fenced frame, i.e.
// `is_embedder_initiated_fenced_frame_navigation_`, we reinitialize
// the fenced frame properties with the default `FencedFrameProperties()`
// constructor, which gives the fenced frame a fresh partition nonce.
//
// If the embedder-initiated navigation is to an opaque url (urn:uuid), i.e.
// `is_embedder_initiated_fenced_frame_opaque_url_navigation_`, we overwrite
// the default properties stored in this `NavigationRequest` with the
// `FencedFrameProperties` bound to that urn:uuid, in
// `NavigationRequest::OnFencedFrameURLMappingComplete`.
//
// For certain actions related to the pending `NavigationRequest` (rather
// than the existing fenced frame document), e.g. partitioned network
// requests for the pending navigation, we use the pending
// `FencedFrameProperties`.
//
// If the navigation commits, this new set of fenced frame properties will be
// stored in the fenced frame root FrameTreeNode in
// `NavigationRequest::DidCommitNavigation`.
//
// If the navigation doesn't commit (e.g. an HTTP 204 response), the fenced
// frame properties will not be stored in the fenced frame root.
absl::optional<FencedFrameProperties> fenced_frame_properties_;
// Prerender2:
// The type to trigger prerendering. The value is valid only when Prerender2
// is enabled.
absl::optional<PrerenderTriggerType> prerender_trigger_type_;
// The suffix of a prerender embedder. This value is valid only when
// PrerenderTriggerType is kEmbedder. Only used for metrics.
std::string prerender_embedder_histogram_suffix_;
// Prevents the compositor from requesting main frame updates early in
// navigation.
std::unique_ptr<ui::CompositorLock> compositor_lock_;
// This navigation request should swap browsing instances as part of a test
// reset.
bool force_new_browsing_instance_ = false;
// A WeakPtr for the BindContext associated with topics loader factory for the
// committing document. This will be set in `CommitNavigation()`, and can
// become null if the corresponding factory is destroyed. Upon
// `DidCommitNavigation()`, `topics_url_loader_service_bind_context_` will
// be notified with the committed document.
base::WeakPtr<BrowsingTopicsURLLoaderService::BindContext>
topics_url_loader_service_bind_context_;
scoped_refptr<NavigationOrDocumentHandle> navigation_or_document_handle_;
// Exposes getters and setters for Blink Runtime-Enabled Features to the
// browser process. Any feature set using the RuntimeFeatureStateContext
// before navigation commit will be communicated back to the renderer process.
// NOTE: these feature changes will apply to the "to-be-created" document.
blink::RuntimeFeatureStateContext runtime_feature_state_context_;
// Renderer-initiated navigations can be canceled until the JS task that
// started the navigation finishes. See RendererCancellationThrottle for more
// details. The window of time in which the renderer can cancel the navigation
// is called the "cancellation window" and the navigation can't commit until
// the cancellation window ended, which `renderer_cancellation_listener_`
// listens to. `renderer_cancellation_window_ended_` is true if the
// cancellation window had ended. If
// `renderer_cancellation_window_ended_callback_` is set, the navigation is
// being deferred by RendererCancellationThrottle to wait for the cancellation
// window to finish or for the navigation to get canceled. If it is set when
// the cancellation window ended, the callback will be run, to resume the
// navigation.
mojo::Receiver<mojom::NavigationRendererCancellationListener>
renderer_cancellation_listener_{this};
bool renderer_cancellation_window_ended_ = false;
base::OnceClosure renderer_cancellation_window_ended_callback_;
// Whether a Cookie header added to this request should not be overwritten by
// the network service.
bool allow_cookies_from_browser_ = false;
// If the browser has asked the renderer to commit the navigation in a
// speculative RenderFrameHost, but the renderer has not yet responded, a
// subsequent navigation request will be suspended if it also reaches the
// ready to commit state. A suspended navigation should populate this field
// with a closure that resumes committing the navigation when run.
//
// 1. The closure should always be bound with a `WeakPtr` receiver. To avoid
// weird reentrancy bugs, it will be run as a non-nested posted task, which
// means the original NavigationRequest could already be deleted by the
// time the closure runs.
// 2. The closure may run spuriously, i.e. it may be invoked even if a
// speculative RenderFrameHost is still in the pending commit state and
// still preventing any other navigations from committing. If this happens,
// the closure should re-queue itself. For more background, please see the
// comments in the implementation of `ResumeCommitIfNeeded()`.
base::OnceClosure resume_commit_closure_;
// Records whether the new document will commit inside another BrowsingContext
// group as a result of this navigation, and for what reason. Deciding whether
// to clear the window name and to clear the proxies are based on this value.
//
// It is created with a default no-swap value, and is set within
// RenderFrameHostManager::GetSiteInstanceForNavigation(). It is generally set
// more than once, first for a speculative computation before receiving
// headers, then for each redirect, and finally once a definitve response has
// been received. It might also never be set if the navigation does not go
// through SiteInstance selection, such as for a renderer initiated
// same-document navigation.
BrowsingContextGroupSwap browsing_context_group_swap_ =
BrowsingContextGroupSwap::CreateDefault();
// See `set_pending_navigation_api_key()` for context.
absl::optional<std::string> pending_navigation_api_key_;
// If this NavigationRequest is for a main-frame same-document back/forward
// navigation, any subframe NavigationRequests are deferred until the renderer
// has a chance to fire a navigate event. If the navigate
// event allows the navigation to proceed,
// UnblockPendingSubframeNavigationRequestsIfNeeded() will resume these
// requests
std::vector<base::WeakPtr<SubframeHistoryNavigationThrottle>>
subframe_history_navigation_throttles_;
// If this NavigationRequest is in a subframe and part of a history traversal,
// and the main frame is performing a same-document navigation, this token
// may be set if there is a possibility that JS in the main frame will cancel
// the history traversal via the navigate event. In that case, this token is
// used to look up the main frame's NavigationRequest so that it can be passed
// SubframeHistoryNavigationThrottle can defer this request until the main
// frame commits.
absl::optional<base::UnguessableToken>
main_frame_same_document_navigation_token_;
// The listener that receives cookie change events and maintains cookie change
// information for the domain of the URL that this `NavigationRequest` is
// navigating to. The listener will observe all the cookie changes starting
// from the navigation/redirection, and it will be moved to the
// `RenderFrameHostImpl` when the navigation is committed and continues
// observing until the destruction of the document.
// See `RenderFrameHostImpl::CookieChangeListener`.
std::unique_ptr<RenderFrameHostImpl::CookieChangeListener>
cookie_change_listener_;
base::WeakPtrFactory<NavigationRequest> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_NAVIGATION_REQUEST_H_