| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| #include "content/browser/devtools/devtools_instrumentation.h" |
| |
| #include "content/browser/devtools/browser_devtools_agent_host.h" |
| #include "content/browser/devtools/protocol/emulation_handler.h" |
| #include "content/browser/devtools/protocol/fetch_handler.h" |
| #include "content/browser/devtools/protocol/network_handler.h" |
| #include "content/browser/devtools/protocol/page_handler.h" |
| #include "content/browser/devtools/protocol/security_handler.h" |
| #include "content/browser/devtools/protocol/target_handler.h" |
| #include "content/browser/devtools/render_frame_devtools_agent_host.h" |
| #include "content/browser/frame_host/frame_tree_node.h" |
| #include "content/browser/frame_host/navigation_handle_impl.h" |
| #include "content/browser/frame_host/navigation_request.h" |
| #include "content/browser/web_package/signed_exchange_envelope.h" |
| #include "content/common/navigation_params.mojom.h" |
| #include "net/base/load_flags.h" |
| #include "net/http/http_request_headers.h" |
| #include "net/ssl/ssl_info.h" |
| #include "services/network/public/mojom/url_loader_factory.mojom.h" |
| |
| namespace content { |
| namespace devtools_instrumentation { |
| |
| namespace { |
| |
| template <typename Handler, typename... MethodArgs, typename... Args> |
| void DispatchToAgents(FrameTreeNode* frame_tree_node, |
| void (Handler::*method)(MethodArgs...), |
| Args&&... args) { |
| DevToolsAgentHostImpl* agent_host = |
| RenderFrameDevToolsAgentHost::GetFor(frame_tree_node); |
| if (!agent_host) |
| return; |
| for (auto* h : Handler::ForAgentHost(agent_host)) |
| (h->*method)(std::forward<Args>(args)...); |
| } |
| |
| template <typename Handler, typename... MethodArgs, typename... Args> |
| void DispatchToAgents(int frame_tree_node_id, |
| void (Handler::*method)(MethodArgs...), |
| Args&&... args) { |
| FrameTreeNode* ftn = FrameTreeNode::GloballyFindByID(frame_tree_node_id); |
| if (ftn) |
| DispatchToAgents(ftn, method, std::forward<Args>(args)...); |
| } |
| |
| } // namespace |
| |
| void OnResetNavigationRequest(NavigationRequest* navigation_request) { |
| // Traverse frame chain all the way to the top and report to all |
| // page handlers that the navigation completed. |
| for (FrameTreeNode* node = navigation_request->frame_tree_node(); node; |
| node = node->parent()) { |
| DispatchToAgents(node, &protocol::PageHandler::NavigationReset, |
| navigation_request); |
| } |
| } |
| |
| void OnNavigationResponseReceived(const NavigationRequest& nav_request, |
| const network::ResourceResponse& response) { |
| FrameTreeNode* ftn = nav_request.frame_tree_node(); |
| std::string id = nav_request.devtools_navigation_token().ToString(); |
| std::string frame_id = ftn->devtools_frame_token().ToString(); |
| GURL url = nav_request.common_params().url; |
| DispatchToAgents(ftn, &protocol::NetworkHandler::ResponseReceived, id, id, |
| url, protocol::Network::ResourceTypeEnum::Document, |
| response.head, frame_id); |
| } |
| |
| void OnNavigationRequestFailed( |
| const NavigationRequest& nav_request, |
| const network::URLLoaderCompletionStatus& status) { |
| FrameTreeNode* ftn = nav_request.frame_tree_node(); |
| std::string id = nav_request.devtools_navigation_token().ToString(); |
| DispatchToAgents(ftn, &protocol::NetworkHandler::LoadingComplete, id, |
| protocol::Network::ResourceTypeEnum::Document, status); |
| } |
| |
| void OnSignedExchangeReceived( |
| FrameTreeNode* frame_tree_node, |
| base::Optional<const base::UnguessableToken> devtools_navigation_token, |
| const GURL& outer_request_url, |
| const network::ResourceResponseHead& outer_response, |
| const base::Optional<SignedExchangeEnvelope>& envelope, |
| const scoped_refptr<net::X509Certificate>& certificate, |
| const base::Optional<net::SSLInfo>& ssl_info, |
| const std::vector<SignedExchangeError>& errors) { |
| DispatchToAgents(frame_tree_node, |
| &protocol::NetworkHandler::OnSignedExchangeReceived, |
| devtools_navigation_token, outer_request_url, outer_response, |
| envelope, certificate, ssl_info, errors); |
| } |
| |
| void OnSignedExchangeCertificateRequestSent( |
| FrameTreeNode* frame_tree_node, |
| const base::UnguessableToken& request_id, |
| const base::UnguessableToken& loader_id, |
| const network::ResourceRequest& request, |
| const GURL& signed_exchange_url) { |
| DispatchToAgents(frame_tree_node, &protocol::NetworkHandler::RequestSent, |
| request_id.ToString(), loader_id.ToString(), request, |
| protocol::Network::Initiator::TypeEnum::SignedExchange, |
| signed_exchange_url); |
| } |
| |
| void OnSignedExchangeCertificateResponseReceived( |
| FrameTreeNode* frame_tree_node, |
| const base::UnguessableToken& request_id, |
| const base::UnguessableToken& loader_id, |
| const GURL& url, |
| const network::ResourceResponseHead& head) { |
| DispatchToAgents(frame_tree_node, &protocol::NetworkHandler::ResponseReceived, |
| request_id.ToString(), loader_id.ToString(), url, |
| protocol::Network::ResourceTypeEnum::Other, head, |
| protocol::Maybe<std::string>()); |
| } |
| |
| void OnSignedExchangeCertificateRequestCompleted( |
| FrameTreeNode* frame_tree_node, |
| const base::UnguessableToken& request_id, |
| const network::URLLoaderCompletionStatus& status) { |
| DispatchToAgents(frame_tree_node, &protocol::NetworkHandler::LoadingComplete, |
| request_id.ToString(), |
| protocol::Network::ResourceTypeEnum::Other, status); |
| } |
| |
| std::vector<std::unique_ptr<NavigationThrottle>> CreateNavigationThrottles( |
| NavigationHandleImpl* navigation_handle) { |
| std::vector<std::unique_ptr<NavigationThrottle>> result; |
| FrameTreeNode* frame_tree_node = navigation_handle->frame_tree_node(); |
| |
| DevToolsAgentHostImpl* agent_host = |
| RenderFrameDevToolsAgentHost::GetFor(frame_tree_node); |
| if (agent_host) { |
| // Interception might throttle navigations in inspected frames. |
| for (auto* network_handler : |
| protocol::NetworkHandler::ForAgentHost(agent_host)) { |
| std::unique_ptr<NavigationThrottle> throttle = |
| network_handler->CreateThrottleForNavigation(navigation_handle); |
| if (throttle) |
| result.push_back(std::move(throttle)); |
| } |
| } |
| if (!frame_tree_node->parent()) |
| return result; |
| agent_host = RenderFrameDevToolsAgentHost::GetFor(frame_tree_node->parent()); |
| if (agent_host) { |
| for (auto* target_handler : |
| protocol::TargetHandler::ForAgentHost(agent_host)) { |
| std::unique_ptr<NavigationThrottle> throttle = |
| target_handler->CreateThrottleForNavigation(navigation_handle); |
| if (throttle) |
| result.push_back(std::move(throttle)); |
| } |
| } |
| |
| return result; |
| } |
| |
| void ApplyNetworkRequestOverrides(FrameTreeNode* frame_tree_node, |
| mojom::BeginNavigationParams* begin_params, |
| bool* report_raw_headers) { |
| bool disable_cache = false; |
| DevToolsAgentHostImpl* agent_host = |
| RenderFrameDevToolsAgentHost::GetFor(frame_tree_node); |
| if (!agent_host) |
| return; |
| net::HttpRequestHeaders headers; |
| headers.AddHeadersFromString(begin_params->headers); |
| for (auto* network : protocol::NetworkHandler::ForAgentHost(agent_host)) { |
| if (!network->enabled()) |
| continue; |
| *report_raw_headers = true; |
| network->ApplyOverrides(&headers, &begin_params->skip_service_worker, |
| &disable_cache); |
| } |
| |
| for (auto* emulation : protocol::EmulationHandler::ForAgentHost(agent_host)) |
| emulation->ApplyOverrides(&headers); |
| |
| if (disable_cache) { |
| begin_params->load_flags &= |
| ~(net::LOAD_VALIDATE_CACHE | net::LOAD_SKIP_CACHE_VALIDATION | |
| net::LOAD_ONLY_FROM_CACHE | net::LOAD_DISABLE_CACHE); |
| begin_params->load_flags |= net::LOAD_BYPASS_CACHE; |
| } |
| |
| begin_params->headers = headers.ToString(); |
| } |
| |
| bool WillCreateURLLoaderFactory( |
| RenderFrameHostImpl* rfh, |
| bool is_navigation, |
| bool is_download, |
| network::mojom::URLLoaderFactoryRequest* target_factory_request) { |
| DCHECK(!is_download || is_navigation); |
| bool had_interceptors = false; |
| // TODO(caseq): assure deterministic order of browser agents (or sessions). |
| for (auto* agent_host : BrowserDevToolsAgentHost::Instances()) { |
| const auto& fetch_handlers = |
| protocol::FetchHandler::ForAgentHost(agent_host); |
| for (auto it = fetch_handlers.rbegin(); it != fetch_handlers.rend(); ++it) { |
| had_interceptors = |
| (*it)->MaybeCreateProxyForInterception( |
| rfh, is_navigation, is_download, target_factory_request) || |
| had_interceptors; |
| } |
| } |
| DevToolsAgentHostImpl* agent_host = |
| RenderFrameDevToolsAgentHost::GetFor(rfh->frame_tree_node()); |
| if (!agent_host) |
| return had_interceptors; |
| const auto& network_handlers = |
| protocol::NetworkHandler::ForAgentHost(agent_host); |
| for (auto it = network_handlers.rbegin(); it != network_handlers.rend(); |
| ++it) { |
| had_interceptors = |
| (*it)->MaybeCreateProxyForInterception(rfh, is_navigation, is_download, |
| target_factory_request) || |
| had_interceptors; |
| } |
| return had_interceptors; |
| } |
| |
| void OnNavigationRequestWillBeSent( |
| const NavigationRequest& navigation_request) { |
| DispatchToAgents(navigation_request.frame_tree_node(), |
| &protocol::NetworkHandler::NavigationRequestWillBeSent, |
| navigation_request); |
| } |
| |
| // Notify the provided agent host of a certificate error. Returns true if one of |
| // the host's handlers will handle the certificate error. |
| bool NotifyCertificateError(DevToolsAgentHost* host, |
| int cert_error, |
| const GURL& request_url, |
| const CertErrorCallback& callback) { |
| DevToolsAgentHostImpl* host_impl = static_cast<DevToolsAgentHostImpl*>(host); |
| for (auto* security_handler : |
| protocol::SecurityHandler::ForAgentHost(host_impl)) { |
| if (security_handler->NotifyCertificateError(cert_error, request_url, |
| callback)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| bool HandleCertificateError(WebContents* web_contents, |
| int cert_error, |
| const GURL& request_url, |
| CertErrorCallback callback) { |
| scoped_refptr<DevToolsAgentHost> agent_host = |
| DevToolsAgentHost::GetOrCreateFor(web_contents).get(); |
| if (NotifyCertificateError(agent_host.get(), cert_error, request_url, |
| callback)) { |
| // Only allow a single agent host to handle the error. |
| callback.Reset(); |
| } |
| |
| for (auto* browser_agent_host : BrowserDevToolsAgentHost::Instances()) { |
| if (NotifyCertificateError(browser_agent_host, cert_error, request_url, |
| callback)) { |
| // Only allow a single agent host to handle the error. |
| callback.Reset(); |
| } |
| } |
| return !callback; |
| } |
| |
| } // namespace devtools_instrumentation |
| |
| } // namespace content |