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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string>
#include "net/base/static_cookie_policy.h"
#include "net/url_request/url_request.h"
#include "url/gurl.h"
namespace cobalt {
namespace network {
// Used to tell if HTTPS scheme has to be used.
enum HTTPSRequirement {
// A NetworkDelegate receives callbacks when network events occur.
// Each override can specify custom behavior or just add additional logging.
// We do nothing for most events, but our network delegate
// is used to specify a cookie policy.
class NetworkDelegate : public net::NetworkDelegate {
NetworkDelegate(net::StaticCookiePolicy::Type cookie_policy,
network::HTTPSRequirement https_requirement);
~NetworkDelegate() override;
// For debugging, we allow blocking all cookies.
void set_cookies_enabled(bool enabled) { cookies_enabled_ = enabled; }
bool cookies_enabled() const { return cookies_enabled_; }
// net::NetworkDelegate implementation.
int OnBeforeURLRequest(net::URLRequest* request,
net::CompletionOnceCallback callback,
GURL* new_url) override;
int OnBeforeStartTransaction(net::URLRequest* request,
net::CompletionOnceCallback callback,
net::HttpRequestHeaders* headers) override;
void OnBeforeSendHeaders(net::URLRequest* request,
const net::ProxyInfo& proxy_info,
const net::ProxyRetryInfoMap& proxy_retry_info,
net::HttpRequestHeaders* headers) override;
void OnStartTransaction(net::URLRequest* request,
const net::HttpRequestHeaders& headers) override;
int OnHeadersReceived(
net::URLRequest* request, net::CompletionOnceCallback callback,
const net::HttpResponseHeaders* original_response_headers,
scoped_refptr<net::HttpResponseHeaders>* override_response_headers,
GURL* allowed_unsafe_redirect_url) override;
void OnBeforeRedirect(net::URLRequest* request,
const GURL& new_location) override;
void OnResponseStarted(net::URLRequest* request, int net_error) override;
void OnNetworkBytesReceived(net::URLRequest* request,
int64_t bytes_received) override;
void OnNetworkBytesSent(net::URLRequest* request,
int64_t bytes_sent) override;
void OnCompleted(net::URLRequest* request, bool started,
int net_error) override;
void OnURLRequestDestroyed(net::URLRequest* request) override;
void OnPACScriptError(int line_number, const base::string16& error) override;
net::NetworkDelegate::AuthRequiredResponse OnAuthRequired(
net::URLRequest* request, const net::AuthChallengeInfo& auth_info,
AuthCallback callback, net::AuthCredentials* credentials) override;
bool OnCanGetCookies(const net::URLRequest& request,
const net::CookieList& cookie_list,
bool allowed_from_caller) override;
bool OnCanSetCookie(const net::URLRequest& request,
const net::CanonicalCookie& cookie,
net::CookieOptions* options,
bool allowed_from_caller) override;
bool OnCanAccessFile(const net::URLRequest& request,
const base::FilePath& original_path,
const base::FilePath& absolute_path) const override;
virtual bool OnCanEnablePrivacyMode(
const GURL& url, const GURL& site_for_cookies) const override;
virtual bool OnAreExperimentalCookieFeaturesEnabled() const override;
virtual bool OnCancelURLRequestWithPolicyViolatingReferrerHeader(
const net::URLRequest& request, const GURL& target_url,
const GURL& referrer_url) const override;
// Background knowledge for the following functions taken from Chromium's
// README in net/reporting/:
// Reporting is a central mechanism for sending out-of-band error reports
// to origins from various other components (e.g. HTTP Public Key Pinning,
// Interventions, or Content Security Policy could potentially use it).
virtual bool OnCanQueueReportingReport(
const url::Origin& origin) const override;
virtual void OnCanSendReportingReports(
std::set<url::Origin> origins,
base::OnceCallback<void(std::set<url::Origin>)> result_callback)
const override;
virtual bool OnCanSetReportingClient(const url::Origin& origin,
const GURL& endpoint) const override;
virtual bool OnCanUseReportingClient(const url::Origin& origin,
const GURL& endpoint) const override;
net::StaticCookiePolicy::Type ComputeCookiePolicy() const;
net::StaticCookiePolicy::Type cookie_policy_;
bool cookies_enabled_;
network::HTTPSRequirement https_requirement_;
} // namespace network
} // namespace cobalt