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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/network_delegate.h"
#include <algorithm>
#include <utility>
#include "base/logging.h"
#include "base/threading/thread_checker.h"
#include "net/base/load_flags.h"
#include "net/base/net_errors.h"
#include "net/base/trace_constants.h"
#include "net/base/tracing.h"
#include "net/cookies/cookie_setting_override.h"
#include "net/cookies/cookie_util.h"
#include "net/proxy_resolution/proxy_info.h"
#include "net/url_request/redirect_info.h"
#include "net/url_request/url_request.h"
namespace net {
NetworkDelegate::~NetworkDelegate() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
}
int NetworkDelegate::NotifyBeforeURLRequest(URLRequest* request,
CompletionOnceCallback callback,
GURL* new_url) {
TRACE_EVENT0(NetTracingCategory(), "NetworkDelegate::NotifyBeforeURLRequest");
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DCHECK(request);
DCHECK(!callback.is_null());
// ClusterFuzz depends on the following VLOG. See: crbug.com/715656
VLOG(1) << "NetworkDelegate::NotifyBeforeURLRequest: " << request->url();
return OnBeforeURLRequest(request, std::move(callback), new_url);
}
int NetworkDelegate::NotifyBeforeStartTransaction(
URLRequest* request,
const HttpRequestHeaders& headers,
OnBeforeStartTransactionCallback callback) {
TRACE_EVENT0(NetTracingCategory(),
"NetworkDelegate::NotifyBeforeStartTransation");
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DCHECK(!callback.is_null());
return OnBeforeStartTransaction(request, headers, std::move(callback));
}
int NetworkDelegate::NotifyHeadersReceived(
URLRequest* request,
CompletionOnceCallback callback,
const HttpResponseHeaders* original_response_headers,
scoped_refptr<HttpResponseHeaders>* override_response_headers,
const IPEndPoint& endpoint,
std::optional<GURL>* preserve_fragment_on_redirect_url) {
TRACE_EVENT0(NetTracingCategory(), "NetworkDelegate::NotifyHeadersReceived");
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DCHECK(original_response_headers);
DCHECK(!callback.is_null());
DCHECK(!preserve_fragment_on_redirect_url->has_value());
return OnHeadersReceived(request, std::move(callback),
original_response_headers, override_response_headers,
endpoint, preserve_fragment_on_redirect_url);
}
void NetworkDelegate::NotifyResponseStarted(URLRequest* request,
int net_error) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DCHECK(request);
OnResponseStarted(request, net_error);
}
void NetworkDelegate::NotifyBeforeRedirect(URLRequest* request,
const GURL& new_location) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DCHECK(request);
OnBeforeRedirect(request, new_location);
}
void NetworkDelegate::NotifyBeforeRetry(URLRequest* request) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
CHECK(request);
OnBeforeRetry(request);
}
void NetworkDelegate::NotifyCompleted(URLRequest* request,
bool started,
int net_error) {
TRACE_EVENT0(NetTracingCategory(), "NetworkDelegate::NotifyCompleted");
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DCHECK(request);
OnCompleted(request, started, net_error);
}
void NetworkDelegate::NotifyURLRequestDestroyed(URLRequest* request) {
TRACE_EVENT0(NetTracingCategory(),
"NetworkDelegate::NotifyURLRequestDestroyed");
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DCHECK(request);
OnURLRequestDestroyed(request);
}
void NetworkDelegate::NotifyPACScriptError(int line_number,
const std::u16string& error) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
OnPACScriptError(line_number, error);
}
bool NetworkDelegate::AnnotateAndMoveUserBlockedCookies(
const URLRequest& request,
const net::FirstPartySetMetadata& first_party_set_metadata,
net::CookieAccessResultList& maybe_included_cookies,
net::CookieAccessResultList& excluded_cookies) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
bool allowed = OnAnnotateAndMoveUserBlockedCookies(
request, first_party_set_metadata, maybe_included_cookies,
excluded_cookies);
cookie_util::DCheckIncludedAndExcludedCookieLists(maybe_included_cookies,
excluded_cookies);
return allowed;
}
bool NetworkDelegate::CanSetCookie(
const URLRequest& request,
const CanonicalCookie& cookie,
CookieOptions* options,
const net::FirstPartySetMetadata& first_party_set_metadata,
CookieInclusionStatus* inclusion_status) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
DCHECK(!(request.load_flags() & LOAD_DO_NOT_SAVE_COOKIES));
return OnCanSetCookie(request, cookie, options, first_party_set_metadata,
inclusion_status);
}
std::optional<cookie_util::StorageAccessStatus>
NetworkDelegate::GetStorageAccessStatus(
const URLRequest& request,
base::optional_ref<const RedirectInfo> redirect_info) const {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
return OnGetStorageAccessStatus(request, redirect_info);
}
NetworkDelegate::PrivacySetting NetworkDelegate::ForcePrivacyMode(
const URLRequest& request) const {
TRACE_EVENT0(NetTracingCategory(), "NetworkDelegate::ForcePrivacyMode");
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
return OnForcePrivacyMode(request);
}
bool NetworkDelegate::CancelURLRequestWithPolicyViolatingReferrerHeader(
const URLRequest& request,
const GURL& target_url,
const GURL& referrer_url) const {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
return OnCancelURLRequestWithPolicyViolatingReferrerHeader(
request, target_url, referrer_url);
}
bool NetworkDelegate::CanQueueReportingReport(const url::Origin& origin) const {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
return OnCanQueueReportingReport(origin);
}
void NetworkDelegate::CanSendReportingReports(
std::set<url::Origin> origins,
base::OnceCallback<void(std::set<url::Origin>)> result_callback) const {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
OnCanSendReportingReports(std::move(origins), std::move(result_callback));
}
bool NetworkDelegate::CanSetReportingClient(const url::Origin& origin,
const GURL& endpoint) const {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
return OnCanSetReportingClient(origin, endpoint);
}
bool NetworkDelegate::CanUseReportingClient(const url::Origin& origin,
const GURL& endpoint) const {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
return OnCanUseReportingClient(origin, endpoint);
}
// static
void NetworkDelegate::ExcludeAllCookies(
net::CookieInclusionStatus::ExclusionReason reason,
net::CookieAccessResultList& maybe_included_cookies,
net::CookieAccessResultList& excluded_cookies) {
excluded_cookies.insert(
excluded_cookies.end(),
std::make_move_iterator(maybe_included_cookies.begin()),
std::make_move_iterator(maybe_included_cookies.end()));
maybe_included_cookies.clear();
// Add the ExclusionReason for all cookies.
for (net::CookieWithAccessResult& cookie : excluded_cookies) {
cookie.access_result.status.AddExclusionReason(reason);
}
}
// static
void NetworkDelegate::ExcludeAllCookiesExceptPartitioned(
net::CookieInclusionStatus::ExclusionReason reason,
net::CookieAccessResultList& maybe_included_cookies,
net::CookieAccessResultList& excluded_cookies) {
// If cookies are not universally disabled, we will preserve partitioned
// cookies
const auto to_be_moved = std::ranges::stable_partition(
maybe_included_cookies, [](const net::CookieWithAccessResult& cookie) {
return cookie.cookie.IsPartitioned();
});
excluded_cookies.insert(excluded_cookies.end(),
std::make_move_iterator(to_be_moved.begin()),
std::make_move_iterator(to_be_moved.end()));
maybe_included_cookies.erase(to_be_moved.begin(), to_be_moved.end());
// Add the ExclusionReason for all excluded cookies.
for (net::CookieWithAccessResult& cookie : excluded_cookies) {
cookie.access_result.status.AddExclusionReason(reason);
}
}
// static
void NetworkDelegate::MoveExcludedCookies(
net::CookieAccessResultList& maybe_included_cookies,
net::CookieAccessResultList& excluded_cookies) {
const auto to_be_moved = std::ranges::stable_partition(
maybe_included_cookies, [](const CookieWithAccessResult& cookie) {
return cookie.access_result.status.IsInclude();
});
excluded_cookies.insert(excluded_cookies.end(),
std::make_move_iterator(to_be_moved.begin()),
std::make_move_iterator(to_be_moved.end()));
maybe_included_cookies.erase(to_be_moved.begin(), to_be_moved.end());
}
} // namespace net
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