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// 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.
#ifndef CONTENT_BROWSER_WEB_PACKAGE_SIGNED_EXCHANGE_CERT_CETCHER_H_
#define CONTENT_BROWSER_WEB_PACKAGE_SIGNED_EXCHANGE_CERT_CETCHER_H_
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/callback_helpers.h"
#include "base/memory/weak_ptr.h"
#include "base/optional.h"
#include "content/browser/web_package/signed_exchange_certificate_chain.h"
#include "content/browser/web_package/signed_exchange_utils.h"
#include "content/common/content_export.h"
#include "services/network/public/mojom/url_loader.mojom.h"
#include "url/origin.h"
namespace network {
class SharedURLLoaderFactory;
} // namespace network
namespace mojo {
class SimpleWatcher;
} // namespace mojo
namespace content {
class ThrottlingURLLoader;
class URLLoaderThrottle;
class CONTENT_EXPORT SignedExchangeCertFetcher
: public network::mojom::URLLoaderClient {
public:
using CertificateCallback =
base::OnceCallback<void(std::unique_ptr<SignedExchangeCertificateChain>)>;
// Starts fetching the certificate using a ThrottlingURLLoader created with
// the |shared_url_loader_factory| and the |throttles|. The |callback| will
// be called with the certificate if succeeded. Otherwise it will be called
// with null. If the returned fetcher is destructed before the |callback| is
// called, the request will be canceled and the |callback| will no be called.
//
// Using SignedExchangeCertFetcherFactory is preferred rather than directly
// calling this.
static std::unique_ptr<SignedExchangeCertFetcher> CreateAndStart(
scoped_refptr<network::SharedURLLoaderFactory> shared_url_loader_factory,
std::vector<std::unique_ptr<URLLoaderThrottle>> throttles,
const GURL& cert_url,
url::Origin request_initiator,
bool force_fetch,
CertificateCallback callback,
const signed_exchange_utils::LogCallback& error_message_callback);
~SignedExchangeCertFetcher() override;
private:
FRIEND_TEST_ALL_PREFIXES(SignedExchangeCertFetcherTest, MaxCertSize_Exceeds);
FRIEND_TEST_ALL_PREFIXES(SignedExchangeCertFetcherTest, MaxCertSize_SameSize);
FRIEND_TEST_ALL_PREFIXES(SignedExchangeCertFetcherTest,
MaxCertSize_MultipleChunked);
FRIEND_TEST_ALL_PREFIXES(SignedExchangeCertFetcherTest,
MaxCertSize_ContentLengthCheck);
static base::ScopedClosureRunner SetMaxCertSizeForTest(size_t max_cert_size);
SignedExchangeCertFetcher(
scoped_refptr<network::SharedURLLoaderFactory> shared_url_loader_factory,
std::vector<std::unique_ptr<URLLoaderThrottle>> throttles,
const GURL& cert_url,
url::Origin request_initiator,
bool force_fetch,
CertificateCallback callback,
const signed_exchange_utils::LogCallback& error_message_callback);
void Start();
void Abort();
void OnHandleReady(MojoResult result);
void OnDataComplete();
// network::mojom::URLLoaderClient
void OnReceiveResponse(
const network::ResourceResponseHead& head,
network::mojom::DownloadedTempFilePtr downloaded_file) override;
void OnReceiveRedirect(const net::RedirectInfo& redirect_info,
const network::ResourceResponseHead& head) override;
void OnDataDownloaded(int64_t data_length, int64_t encoded_length) override;
void OnUploadProgress(int64_t current_position,
int64_t total_size,
OnUploadProgressCallback callback) override;
void OnReceiveCachedMetadata(const std::vector<uint8_t>& data) override;
void OnTransferSizeUpdated(int32_t transfer_size_diff) override;
void OnStartLoadingResponseBody(
mojo::ScopedDataPipeConsumerHandle body) override;
void OnComplete(const network::URLLoaderCompletionStatus& status) override;
scoped_refptr<network::SharedURLLoaderFactory> shared_url_loader_factory_;
std::vector<std::unique_ptr<URLLoaderThrottle>> throttles_;
std::unique_ptr<network::ResourceRequest> resource_request_;
CertificateCallback callback_;
signed_exchange_utils::LogCallback error_message_callback_;
std::unique_ptr<ThrottlingURLLoader> url_loader_;
mojo::ScopedDataPipeConsumerHandle body_;
std::unique_ptr<mojo::SimpleWatcher> handle_watcher_;
std::string body_string_;
DISALLOW_COPY_AND_ASSIGN(SignedExchangeCertFetcher);
};
} // namespace content
#endif // CONTENT_BROWSER_WEB_PACKAGE_SIGNED_EXCHANGE_CERT_CETCHER_H_
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