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content / browser / devtools / devtools_url_loader_interceptor.h [blame]
// Copyright 2018 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_DEVTOOLS_DEVTOOLS_URL_LOADER_INTERCEPTOR_H_
#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_URL_LOADER_INTERCEPTOR_H_
#include <optional>
#include "base/containers/enum_set.h"
#include "base/containers/flat_set.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/unguessable_token.h"
#include "content/browser/devtools/protocol/network.h"
#include "content/public/browser/global_request_id.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/system/data_pipe.h"
#include "net/base/auth.h"
#include "net/base/net_errors.h"
#include "services/network/public/mojom/cookie_manager.mojom.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
#include "third_party/blink/public/mojom/loader/resource_load_info.mojom-shared.h"
namespace net {
class AuthChallengeInfo;
class HttpResponseHeaders;
} // namespace net
namespace network {
namespace mojom {
class URLLoaderFactoryOverride;
}
} // namespace network
namespace content {
class InterceptionJob;
class StoragePartition;
struct CreateLoaderParameters;
struct InterceptedRequestInfo {
InterceptedRequestInfo();
~InterceptedRequestInfo();
std::string interception_id;
base::UnguessableToken frame_id;
blink::mojom::ResourceType resource_type;
bool is_navigation = false;
int response_error_code = net::OK;
std::unique_ptr<protocol::Network::Request> network_request;
std::unique_ptr<net::AuthChallengeInfo> auth_challenge;
scoped_refptr<net::HttpResponseHeaders> response_headers;
protocol::Maybe<bool> is_download;
protocol::Maybe<protocol::String> redirect_url;
protocol::Maybe<protocol::String> renderer_request_id;
protocol::Maybe<protocol::String> redirected_request_id;
};
class DevToolsURLLoaderInterceptor {
public:
using RequestInterceptedCallback =
base::RepeatingCallback<void(std::unique_ptr<InterceptedRequestInfo>)>;
using ContinueInterceptedRequestCallback =
protocol::Network::Backend::ContinueInterceptedRequestCallback;
using GetResponseBodyForInterceptionCallback =
protocol::Network::Backend::GetResponseBodyForInterceptionCallback;
using TakeResponseBodyPipeCallback =
base::OnceCallback<void(protocol::Response,
mojo::ScopedDataPipeConsumerHandle,
const std::string& mime_type)>;
struct AuthChallengeResponse {
enum ResponseType {
kDefault,
kCancelAuth,
kProvideCredentials,
};
explicit AuthChallengeResponse(ResponseType response_type);
AuthChallengeResponse(const std::u16string& username,
const std::u16string& password);
AuthChallengeResponse(const AuthChallengeResponse&) = delete;
AuthChallengeResponse& operator=(const AuthChallengeResponse&) = delete;
const ResponseType response_type;
const net::AuthCredentials credentials;
};
struct Modifications {
using HeadersVector = std::vector<std::pair<std::string, std::string>>;
Modifications();
explicit Modifications(net::Error error_reason);
explicit Modifications(
std::unique_ptr<AuthChallengeResponse> auth_challenge_response);
Modifications(scoped_refptr<net::HttpResponseHeaders> response_headers,
scoped_refptr<base::RefCountedMemory> response_body);
Modifications(protocol::Maybe<std::string> modified_url,
protocol::Maybe<std::string> modified_method,
protocol::Maybe<protocol::Binary> modified_post_data,
std::unique_ptr<HeadersVector> modified_headers,
protocol::Maybe<bool> intercept_response);
Modifications(
std::optional<net::Error> error_reason,
scoped_refptr<net::HttpResponseHeaders> response_headers,
scoped_refptr<base::RefCountedMemory> response_body,
size_t body_offset,
protocol::Maybe<std::string> modified_url,
protocol::Maybe<std::string> modified_method,
protocol::Maybe<protocol::Binary> modified_post_data,
std::unique_ptr<HeadersVector> modified_headers,
std::unique_ptr<AuthChallengeResponse> auth_challenge_response);
~Modifications();
// If none of the following are set then the request will be allowed to
// continue unchanged.
std::optional<net::Error> error_reason; // Finish with error.
// If either of the below fields is set, complete the request by
// responding with the provided headers and body.
scoped_refptr<net::HttpResponseHeaders> response_headers;
scoped_refptr<base::RefCountedMemory> response_body;
size_t body_offset = 0;
// Optionally modify before sending to network.
protocol::Maybe<std::string> modified_url;
protocol::Maybe<std::string> modified_method;
protocol::Maybe<protocol::Binary> modified_post_data;
std::unique_ptr<HeadersVector> modified_headers;
protocol::Maybe<bool> intercept_response;
// AuthChallengeResponse is mutually exclusive with the above.
std::unique_ptr<AuthChallengeResponse> auth_challenge_response;
};
enum InterceptionStage {
kRequest,
kResponse,
kMinValue = kRequest,
kMaxValue = kResponse,
};
struct Pattern {
public:
~Pattern();
Pattern(const Pattern& other);
Pattern(const std::string& url_pattern,
base::flat_set<blink::mojom::ResourceType> resource_types,
InterceptionStage interception_stage);
bool Matches(const std::string& url,
blink::mojom::ResourceType resource_type) const;
const std::string url_pattern;
const base::flat_set<blink::mojom::ResourceType> resource_types;
const InterceptionStage interception_stage;
};
struct FilterEntry {
FilterEntry(const base::UnguessableToken& target_id,
std::vector<Pattern> patterns,
RequestInterceptedCallback callback);
FilterEntry(FilterEntry&&);
FilterEntry(const FilterEntry&) = delete;
FilterEntry& operator=(const FilterEntry&) = delete;
~FilterEntry();
const base::UnguessableToken target_id;
std::vector<Pattern> patterns;
const RequestInterceptedCallback callback;
};
using HandleAuthRequestCallback =
base::OnceCallback<void(bool use_fallback,
const std::optional<net::AuthCredentials>&)>;
// Can only be called on the IO thread.
static void HandleAuthRequest(GlobalRequestID req_id,
const net::AuthChallengeInfo& auth_info,
HandleAuthRequestCallback callback);
explicit DevToolsURLLoaderInterceptor(RequestInterceptedCallback callback);
DevToolsURLLoaderInterceptor(const DevToolsURLLoaderInterceptor&) = delete;
DevToolsURLLoaderInterceptor& operator=(const DevToolsURLLoaderInterceptor&) =
delete;
~DevToolsURLLoaderInterceptor();
void SetPatterns(std::vector<Pattern> patterns, bool handle_auth);
void GetResponseBody(
const std::string& interception_id,
std::unique_ptr<GetResponseBodyForInterceptionCallback> callback);
void TakeResponseBodyPipe(const std::string& interception_id,
TakeResponseBodyPipeCallback callback);
void ContinueInterceptedRequest(
const std::string& interception_id,
std::unique_ptr<Modifications> modifications,
std::unique_ptr<ContinueInterceptedRequestCallback> callback);
bool CreateProxyForInterception(
int process_id,
StoragePartition* storage_partition,
const base::UnguessableToken& frame_token,
bool is_navigation,
bool is_download,
network::mojom::URLLoaderFactoryOverride* intercepting_factory);
private:
friend class InterceptionJob;
friend class DevToolsURLLoaderFactoryProxy;
using InterceptionStages = base::EnumSet<InterceptionStage,
InterceptionStage::kMinValue,
InterceptionStage::kMaxValue>;
void CreateJob(
const base::UnguessableToken& frame_token,
int32_t process_id,
bool is_download,
const std::optional<std::string>& renderer_request_id,
std::unique_ptr<CreateLoaderParameters> create_params,
mojo::PendingReceiver<network::mojom::URLLoader> loader_receiver,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
mojo::PendingRemote<network::mojom::URLLoaderFactory> target_factory,
mojo::PendingRemote<network::mojom::CookieManager> cookie_manager);
InterceptionStages GetInterceptionStages(
const GURL& url,
blink::mojom::ResourceType resource_type) const;
template <typename Callback>
InterceptionJob* FindJob(const std::string& id,
std::unique_ptr<Callback>* callback) {
auto it = jobs_.find(id);
if (it != jobs_.end())
return it->second;
(*callback)->sendFailure(
protocol::Response::InvalidParams("Invalid InterceptionId."));
return nullptr;
}
void RemoveJob(const std::string& id) { jobs_.erase(id); }
void AddJob(const std::string& id, InterceptionJob* job) {
jobs_.emplace(id, job);
}
const RequestInterceptedCallback request_intercepted_callback_;
std::vector<Pattern> patterns_;
bool handle_auth_ = false;
std::map<std::string, raw_ptr<InterceptionJob, CtnExperimental>> jobs_;
base::WeakPtrFactory<DevToolsURLLoaderInterceptor> weak_factory_;
};
} // namespace content
#endif // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_URL_LOADER_INTERCEPTOR_H_