| // Copyright (c) 2012 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 "net/url_request/url_request_http_job.h" |
| |
| #include <vector> |
| |
| #include "base/base_switches.h" |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/command_line.h" |
| #include "base/compiler_specific.h" |
| #include "base/file_version_info.h" |
| #include "base/location.h" |
| #include "base/macros.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/metrics/histogram_functions.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "base/rand_util.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "base/time/time.h" |
| #include "base/trace_event/trace_event.h" |
| #include "base/values.h" |
| #include "net/base/host_port_pair.h" |
| #include "net/base/load_flags.h" |
| #include "net/base/net_errors.h" |
| #include "net/base/network_delegate.h" |
| #include "net/base/registry_controlled_domains/registry_controlled_domain.h" |
| #include "net/base/trace_constants.h" |
| #include "net/base/url_util.h" |
| #include "net/cert/cert_status_flags.h" |
| #include "net/cert/ct_policy_status.h" |
| #include "net/cert/known_roots.h" |
| #include "net/cookies/canonical_cookie.h" |
| #include "net/cookies/cookie_store.h" |
| #include "net/filter/brotli_source_stream.h" |
| #include "net/filter/filter_source_stream.h" |
| #include "net/filter/gzip_source_stream.h" |
| #include "net/filter/source_stream.h" |
| #include "net/http/http_content_disposition.h" |
| #include "net/http/http_network_session.h" |
| #include "net/http/http_request_headers.h" |
| #include "net/http/http_response_headers.h" |
| #include "net/http/http_response_info.h" |
| #include "net/http/http_status_code.h" |
| #include "net/http/http_transaction.h" |
| #include "net/http/http_transaction_factory.h" |
| #include "net/http/http_util.h" |
| #include "net/log/net_log.h" |
| #include "net/log/net_log_event_type.h" |
| #include "net/log/net_log_with_source.h" |
| #include "net/nqe/network_quality_estimator.h" |
| #include "net/proxy_resolution/proxy_info.h" |
| #include "net/proxy_resolution/proxy_resolution_service.h" |
| #include "net/proxy_resolution/proxy_retry_info.h" |
| #include "net/ssl/channel_id_service.h" |
| #include "net/ssl/ssl_cert_request_info.h" |
| #include "net/ssl/ssl_config_service.h" |
| #include "net/url_request/http_user_agent_settings.h" |
| #include "net/url_request/url_request.h" |
| #include "net/url_request/url_request_context.h" |
| #include "net/url_request/url_request_error_job.h" |
| #include "net/url_request/url_request_http_job_histogram.h" |
| #include "net/url_request/url_request_job_factory.h" |
| #include "net/url_request/url_request_redirect_job.h" |
| #include "net/url_request/url_request_throttler_manager.h" |
| #include "net/url_request/websocket_handshake_userdata_key.h" |
| #include "url/origin.h" |
| |
| #if defined(OS_ANDROID) |
| #include "net/android/network_library.h" |
| #endif |
| |
| namespace { |
| |
| // Records details about the most-specific trust anchor in |spki_hashes|, |
| // which is expected to be ordered with the leaf cert first and the root cert |
| // last. This complements the per-verification histogram |
| // Net.Certificate.TrustAnchor.Verify |
| void LogTrustAnchor(const net::HashValueVector& spki_hashes) { |
| // Don't record metrics if there are no hashes; this is true if the HTTP |
| // load did not come from an active network connection, such as the disk |
| // cache or a synthesized response. |
| if (spki_hashes.empty()) |
| return; |
| |
| int32_t id = 0; |
| for (const auto& hash : spki_hashes) { |
| id = net::GetNetTrustAnchorHistogramIdForSPKI(hash); |
| if (id != 0) |
| break; |
| } |
| base::UmaHistogramSparse("Net.Certificate.TrustAnchor.Request", id); |
| } |
| |
| // Records per-request histograms relating to Certificate Transparency |
| // compliance. |
| void RecordCTHistograms(const net::SSLInfo& ssl_info) { |
| if (ssl_info.ct_policy_compliance == |
| net::ct::CTPolicyCompliance::CT_POLICY_COMPLIANCE_DETAILS_NOT_AVAILABLE) { |
| return; |
| } |
| if (!ssl_info.is_issued_by_known_root) |
| return; |
| |
| // Connections with major errors other than CERTIFICATE_TRANSPARENCY_REQUIRED |
| // would have failed anyway, so do not record these histograms for such |
| // requests. |
| net::CertStatus other_errors = |
| ssl_info.cert_status & |
| ~net::CERT_STATUS_CERTIFICATE_TRANSPARENCY_REQUIRED; |
| if (net::IsCertStatusError(other_errors) && |
| !net::IsCertStatusMinorError(other_errors)) { |
| return; |
| } |
| |
| // Record the CT compliance of each request, to give a picture of the |
| // percentage of overall requests that are CT-compliant. |
| UMA_HISTOGRAM_ENUMERATION( |
| "Net.CertificateTransparency.RequestComplianceStatus", |
| ssl_info.ct_policy_compliance, |
| net::ct::CTPolicyCompliance::CT_POLICY_COUNT); |
| // Record the CT compliance of each request which was required to be CT |
| // compliant. This gives a picture of the sites that are supposed to be |
| // compliant and how well they do at actually being compliant. |
| if (ssl_info.ct_policy_compliance_required) { |
| UMA_HISTOGRAM_ENUMERATION( |
| "Net.CertificateTransparency.CTRequiredRequestComplianceStatus", |
| ssl_info.ct_policy_compliance, |
| net::ct::CTPolicyCompliance::CT_POLICY_COUNT); |
| } |
| } |
| |
| // Logs whether the CookieStore used for this request matches the |
| // ChannelIDService used when establishing the connection that this request is |
| // sent over. This logging is only done for requests to accounts.google.com, and |
| // only for requests where Channel ID was sent when establishing the connection. |
| void LogChannelIDAndCookieStores(const GURL& url, |
| const net::URLRequestContext* context, |
| const net::SSLInfo& ssl_info) { |
| if (url.host() != "accounts.google.com" || !ssl_info.channel_id_sent) |
| return; |
| // This enum is used for an UMA histogram - don't reuse or renumber entries. |
| enum { |
| // Value 0 was removed (CID_EPHEMERAL_COOKIE_EPHEMERAL) |
| // ChannelIDStore is ephemeral, but CookieStore is persistent. |
| CID_EPHEMERAL_COOKIE_PERSISTENT = 1, |
| // ChannelIDStore is persistent, but CookieStore is ephemeral. |
| CID_PERSISTENT_COOKIE_EPHEMERAL = 2, |
| // Value 3 was removed (CID_PERSISTENT_COOKIE_PERSISTENT) |
| // There is no CookieStore for this request. |
| NO_COOKIE_STORE = 4, |
| // There is no ChannelIDStore for this request. This should never happen, |
| // because we only log if Channel ID was sent. |
| NO_CHANNEL_ID_STORE = 5, |
| // Value 6 was removed (KNOWN_MISMATCH). |
| // Both stores are ephemeral, and the ChannelIDService used when |
| // establishing the connection is the same one that the CookieStore was |
| // created to be used with. |
| EPHEMERAL_MATCH = 7, |
| // Both stores are ephemeral, but a different CookieStore should have been |
| // used on this request. |
| EPHEMERAL_MISMATCH = 8, |
| // Both stores are persistent, and the ChannelIDService used when |
| // establishing the connection is the same one that the CookieStore was |
| // created to be used with. |
| PERSISTENT_MATCH = 9, |
| // Both stores are persistent, but a different CookieStore should have been |
| // used on this request. |
| PERSISTENT_MISMATCH = 10, |
| // Both stores are ephemeral, but it was never recorded in the CookieStore |
| // which ChannelIDService it was created for, so it is unknown whether the |
| // stores match. |
| EPHEMERAL_UNKNOWN = 11, |
| // Both stores are persistent, but it was never recorded in the CookieStore |
| // which ChannelIDService it was created for, so it is unknown whether the |
| // stores match. |
| PERSISTENT_UNKNOWN = 12, |
| EPHEMERALITY_MAX |
| } ephemerality; |
| const net::HttpNetworkSession::Context* session_context = |
| context->GetNetworkSessionContext(); |
| net::CookieStore* cookie_store = context->cookie_store(); |
| if (session_context == nullptr || |
| session_context->channel_id_service == nullptr) { |
| ephemerality = NO_CHANNEL_ID_STORE; |
| } else if (cookie_store == nullptr) { |
| ephemerality = NO_COOKIE_STORE; |
| } else if (session_context->channel_id_service->GetChannelIDStore() |
| ->IsEphemeral()) { |
| if (cookie_store->IsEphemeral()) { |
| if (cookie_store->GetChannelIDServiceID() == -1) { |
| ephemerality = EPHEMERAL_UNKNOWN; |
| } else if (cookie_store->GetChannelIDServiceID() == |
| session_context->channel_id_service->GetUniqueID()) { |
| ephemerality = EPHEMERAL_MATCH; |
| } else { |
| NOTREACHED(); |
| ephemerality = EPHEMERAL_MISMATCH; |
| } |
| } else { |
| NOTREACHED(); |
| ephemerality = CID_EPHEMERAL_COOKIE_PERSISTENT; |
| } |
| } else if (cookie_store->IsEphemeral()) { |
| NOTREACHED(); |
| ephemerality = CID_PERSISTENT_COOKIE_EPHEMERAL; |
| } else if (cookie_store->GetChannelIDServiceID() == -1) { |
| ephemerality = PERSISTENT_UNKNOWN; |
| } else if (cookie_store->GetChannelIDServiceID() == |
| session_context->channel_id_service->GetUniqueID()) { |
| ephemerality = PERSISTENT_MATCH; |
| } else { |
| NOTREACHED(); |
| ephemerality = PERSISTENT_MISMATCH; |
| } |
| UMA_HISTOGRAM_ENUMERATION("Net.TokenBinding.StoreEphemerality", ephemerality, |
| EPHEMERALITY_MAX); |
| } |
| |
| net::CookieNetworkSecurity HistogramEntryForCookie( |
| const net::CanonicalCookie& cookie, |
| const net::URLRequest& request, |
| const net::HttpRequestInfo& request_info) { |
| if (!request_info.url.SchemeIsCryptographic()) { |
| return net::CookieNetworkSecurity::k1pNonsecureConnection; |
| } |
| |
| if (cookie.IsSecure()) { |
| return net::CookieNetworkSecurity::k1pSecureAttribute; |
| } |
| |
| net::TransportSecurityState* transport_security_state = |
| request.context()->transport_security_state(); |
| net::TransportSecurityState::STSState sts_state; |
| const std::string cookie_domain = |
| cookie.IsHostCookie() ? request.url().host() : cookie.Domain().substr(1); |
| const bool hsts = |
| transport_security_state->GetSTSState(cookie_domain, &sts_state) && |
| sts_state.ShouldUpgradeToSSL(); |
| if (!hsts) { |
| return net::CookieNetworkSecurity::k1pSecureConnection; |
| } |
| |
| if (cookie.IsHostCookie()) { |
| if (cookie.IsPersistent() && sts_state.expiry >= cookie.ExpiryDate()) { |
| return net::CookieNetworkSecurity::k1pHSTSHostCookie; |
| } else { |
| // Session cookies are assumed to live forever. |
| return net::CookieNetworkSecurity::k1pExpiringHSTSHostCookie; |
| } |
| } |
| |
| // Domain cookies require HSTS to include subdomains to prevent spoofing. |
| if (sts_state.include_subdomains) { |
| if (cookie.IsPersistent() && sts_state.expiry >= cookie.ExpiryDate()) { |
| return net::CookieNetworkSecurity::k1pHSTSSubdomainsIncluded; |
| } else { |
| // Session cookies are assumed to live forever. |
| return net::CookieNetworkSecurity::k1pExpiringHSTSSubdomainsIncluded; |
| } |
| } |
| |
| return net::CookieNetworkSecurity::k1pHSTSSpoofable; |
| } |
| |
| void LogCookieUMA(const net::CookieList& cookie_list, |
| const net::URLRequest& request, |
| const net::HttpRequestInfo& request_info) { |
| const bool secure_request = request_info.url.SchemeIsCryptographic(); |
| const bool same_site = net::registry_controlled_domains::SameDomainOrHost( |
| request.url(), request.site_for_cookies(), |
| net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES); |
| |
| const base::Time now = base::Time::Now(); |
| base::Time oldest = base::Time::Max(); |
| for (const auto& cookie : cookie_list) { |
| const std::string histogram_name = |
| std::string("Cookie.AllAgesFor") + |
| (secure_request ? "Secure" : "NonSecure") + |
| (same_site ? "SameSite" : "CrossSite") + "Request"; |
| const int age_in_days = (now - cookie.CreationDate()).InDays(); |
| base::UmaHistogramCounts1000(histogram_name, age_in_days); |
| oldest = std::min(cookie.CreationDate(), oldest); |
| |
| net::CookieNetworkSecurity entry = |
| HistogramEntryForCookie(cookie, request, request_info); |
| if (!same_site) { |
| entry = |
| static_cast<net::CookieNetworkSecurity>(static_cast<int>(entry) | 1); |
| } |
| UMA_HISTOGRAM_ENUMERATION("Cookie.NetworkSecurity", entry, |
| net::CookieNetworkSecurity::kCount); |
| } |
| |
| const std::string histogram_name = |
| std::string("Cookie.AgeFor") + (secure_request ? "Secure" : "NonSecure") + |
| (same_site ? "SameSite" : "CrossSite") + "Request"; |
| const int age_in_days = (now - oldest).InDays(); |
| base::UmaHistogramCounts1000(histogram_name, age_in_days); |
| } |
| |
| } // namespace |
| |
| namespace net { |
| |
| // TODO(darin): make sure the port blocking code is not lost |
| // static |
| URLRequestJob* URLRequestHttpJob::Factory(URLRequest* request, |
| NetworkDelegate* network_delegate, |
| const std::string& scheme) { |
| DCHECK(scheme == "http" || scheme == "https" || scheme == "ws" || |
| scheme == "wss"); |
| |
| if (!request->context()->http_transaction_factory()) { |
| NOTREACHED() << "requires a valid context"; |
| return new URLRequestErrorJob( |
| request, network_delegate, ERR_INVALID_ARGUMENT); |
| } |
| |
| const GURL& url = request->url(); |
| |
| // Check for reasons not to return a URLRequestHttpJob. These don't apply to |
| // https and wss requests. |
| if (!url.SchemeIsCryptographic()) { |
| // Check for HSTS upgrade. |
| TransportSecurityState* hsts = |
| request->context()->transport_security_state(); |
| if (hsts && hsts->ShouldUpgradeToSSL(url.host())) { |
| GURL::Replacements replacements; |
| replacements.SetSchemeStr( |
| |
| url.SchemeIs(url::kHttpScheme) ? url::kHttpsScheme : url::kWssScheme); |
| return new URLRequestRedirectJob( |
| request, network_delegate, url.ReplaceComponents(replacements), |
| // Use status code 307 to preserve the method, so POST requests work. |
| URLRequestRedirectJob::REDIRECT_307_TEMPORARY_REDIRECT, "HSTS"); |
| } |
| |
| #if defined(OS_ANDROID) |
| // Check whether the app allows cleartext traffic to this host, and return |
| // ERR_CLEARTEXT_NOT_PERMITTED if not. |
| if (request->context()->check_cleartext_permitted() && |
| !android::IsCleartextPermitted(url.host())) { |
| return new URLRequestErrorJob(request, network_delegate, |
| ERR_CLEARTEXT_NOT_PERMITTED); |
| } |
| #endif |
| } |
| |
| return new URLRequestHttpJob(request, |
| network_delegate, |
| request->context()->http_user_agent_settings()); |
| } |
| |
| URLRequestHttpJob::URLRequestHttpJob( |
| URLRequest* request, |
| NetworkDelegate* network_delegate, |
| const HttpUserAgentSettings* http_user_agent_settings) |
| : URLRequestJob(request, network_delegate), |
| priority_(DEFAULT_PRIORITY), |
| response_info_(nullptr), |
| proxy_auth_state_(AUTH_STATE_DONT_NEED_AUTH), |
| server_auth_state_(AUTH_STATE_DONT_NEED_AUTH), |
| read_in_progress_(false), |
| throttling_entry_(nullptr), |
| is_cached_content_(false), |
| packet_timing_enabled_(false), |
| done_(false), |
| bytes_observed_in_packets_(0), |
| awaiting_callback_(false), |
| http_user_agent_settings_(http_user_agent_settings), |
| total_received_bytes_from_previous_transactions_(0), |
| total_sent_bytes_from_previous_transactions_(0), |
| weak_factory_(this) { |
| URLRequestThrottlerManager* manager = request->context()->throttler_manager(); |
| if (manager) |
| throttling_entry_ = manager->RegisterRequestUrl(request->url()); |
| |
| ResetTimer(); |
| } |
| |
| URLRequestHttpJob::~URLRequestHttpJob() { |
| CHECK(!awaiting_callback_); |
| |
| DoneWithRequest(ABORTED); |
| } |
| |
| void URLRequestHttpJob::SetPriority(RequestPriority priority) { |
| priority_ = priority; |
| if (transaction_) |
| transaction_->SetPriority(priority_); |
| } |
| |
| void URLRequestHttpJob::Start() { |
| DCHECK(!transaction_.get()); |
| |
| // URLRequest::SetReferrer ensures that we do not send username and password |
| // fields in the referrer. |
| GURL referrer(request_->referrer()); |
| |
| request_info_.url = request_->url(); |
| request_info_.method = request_->method(); |
| request_info_.top_frame_origin = request_->top_frame_origin(); |
| request_info_.load_flags = request_->load_flags(); |
| request_info_.traffic_annotation = |
| net::MutableNetworkTrafficAnnotationTag(request_->traffic_annotation()); |
| request_info_.socket_tag = request_->socket_tag(); |
| #if BUILDFLAG(ENABLE_REPORTING) |
| request_info_.reporting_upload_depth = request_->reporting_upload_depth(); |
| #endif |
| |
| // Privacy mode could still be disabled in SetCookieHeaderAndStart if we are |
| // going to send previously saved cookies. |
| request_info_.privacy_mode = privacy_mode(); |
| |
| // Strip Referer from request_info_.extra_headers to prevent, e.g., plugins |
| // from overriding headers that are controlled using other means. Otherwise a |
| // plugin could set a referrer although sending the referrer is inhibited. |
| request_info_.extra_headers.RemoveHeader(HttpRequestHeaders::kReferer); |
| |
| // Our consumer should have made sure that this is a safe referrer. See for |
| // instance WebCore::FrameLoader::HideReferrer. |
| if (referrer.is_valid()) { |
| request_info_.extra_headers.SetHeader(HttpRequestHeaders::kReferer, |
| referrer.spec()); |
| } |
| |
| // This should be kept in sync with the corresponding code in |
| // URLRequest::GetUserAgent. |
| request_info_.extra_headers.SetHeaderIfMissing( |
| HttpRequestHeaders::kUserAgent, |
| http_user_agent_settings_ ? |
| http_user_agent_settings_->GetUserAgent() : std::string()); |
| |
| AddExtraHeaders(); |
| AddCookieHeaderAndStart(); |
| } |
| |
| void URLRequestHttpJob::Kill() { |
| weak_factory_.InvalidateWeakPtrs(); |
| if (transaction_) |
| DestroyTransaction(); |
| URLRequestJob::Kill(); |
| } |
| |
| void URLRequestHttpJob::GetConnectionAttempts(ConnectionAttempts* out) const { |
| if (transaction_) |
| transaction_->GetConnectionAttempts(out); |
| else |
| out->clear(); |
| } |
| |
| void URLRequestHttpJob::NotifyBeforeSendHeadersCallback( |
| const ProxyInfo& proxy_info, |
| HttpRequestHeaders* request_headers) { |
| DCHECK(request_headers); |
| DCHECK_NE(URLRequestStatus::CANCELED, GetStatus().status()); |
| if (proxy_info.is_empty()) { |
| SetProxyServer(ProxyServer::Direct()); |
| } else { |
| SetProxyServer(proxy_info.proxy_server()); |
| } |
| if (network_delegate()) { |
| network_delegate()->NotifyBeforeSendHeaders( |
| request_, proxy_info, |
| request_->context()->proxy_resolution_service()->proxy_retry_info(), |
| request_headers); |
| } |
| } |
| |
| void URLRequestHttpJob::NotifyHeadersComplete() { |
| DCHECK(!response_info_); |
| |
| response_info_ = transaction_->GetResponseInfo(); |
| |
| // Save boolean, as we'll need this info at destruction time, and filters may |
| // also need this info. |
| is_cached_content_ = response_info_->was_cached; |
| |
| if (!is_cached_content_ && throttling_entry_.get()) |
| throttling_entry_->UpdateWithResponse(GetResponseCode()); |
| |
| // The ordering of these calls is not important. |
| ProcessStrictTransportSecurityHeader(); |
| ProcessExpectCTHeader(); |
| |
| // The HTTP transaction may be restarted several times for the purposes |
| // of sending authorization information. Each time it restarts, we get |
| // notified of the headers completion so that we can update the cookie store. |
| if (transaction_->IsReadyToRestartForAuth()) { |
| DCHECK(!response_info_->auth_challenge.get()); |
| // TODO(battre): This breaks the webrequest API for |
| // URLRequestTestHTTP.BasicAuthWithCookies |
| // where OnBeforeStartTransaction -> OnStartTransaction -> |
| // OnBeforeStartTransaction occurs. |
| RestartTransactionWithAuth(AuthCredentials()); |
| return; |
| } |
| |
| URLRequestJob::NotifyHeadersComplete(); |
| } |
| |
| void URLRequestHttpJob::DestroyTransaction() { |
| DCHECK(transaction_.get()); |
| |
| DoneWithRequest(ABORTED); |
| |
| total_received_bytes_from_previous_transactions_ += |
| transaction_->GetTotalReceivedBytes(); |
| total_sent_bytes_from_previous_transactions_ += |
| transaction_->GetTotalSentBytes(); |
| transaction_.reset(); |
| response_info_ = nullptr; |
| override_response_headers_ = nullptr; |
| receive_headers_end_ = base::TimeTicks(); |
| } |
| |
| void URLRequestHttpJob::StartTransaction() { |
| if (network_delegate()) { |
| OnCallToDelegate( |
| NetLogEventType::NETWORK_DELEGATE_BEFORE_START_TRANSACTION); |
| // The NetworkDelegate must watch for OnRequestDestroyed and not modify |
| // |extra_headers| or invoke the callback after it's called. Not using a |
| // WeakPtr here because it's not enough, the consumer has to watch for |
| // destruction regardless, due to the headers parameter. |
| int rv = network_delegate()->NotifyBeforeStartTransaction( |
| request_, |
| base::BindOnce(&URLRequestHttpJob::NotifyBeforeStartTransactionCallback, |
| base::Unretained(this)), |
| &request_info_.extra_headers); |
| // If an extension blocks the request, we rely on the callback to |
| // MaybeStartTransactionInternal(). |
| if (rv == ERR_IO_PENDING) |
| return; |
| MaybeStartTransactionInternal(rv); |
| return; |
| } |
| StartTransactionInternal(); |
| } |
| |
| void URLRequestHttpJob::NotifyBeforeStartTransactionCallback(int result) { |
| // Check that there are no callbacks to already canceled requests. |
| DCHECK_NE(URLRequestStatus::CANCELED, GetStatus().status()); |
| |
| MaybeStartTransactionInternal(result); |
| } |
| |
| void URLRequestHttpJob::MaybeStartTransactionInternal(int result) { |
| OnCallToDelegateComplete(); |
| if (result == OK) { |
| StartTransactionInternal(); |
| } else { |
| std::string source("delegate"); |
| request_->net_log().AddEvent(NetLogEventType::CANCELLED, |
| NetLog::StringCallback("source", &source)); |
| // Don't call back synchronously to the delegate. |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, |
| base::Bind(&URLRequestHttpJob::NotifyStartError, |
| weak_factory_.GetWeakPtr(), |
| URLRequestStatus(URLRequestStatus::FAILED, result))); |
| } |
| } |
| |
| void URLRequestHttpJob::StartTransactionInternal() { |
| // This should only be called while the request's status is IO_PENDING. |
| DCHECK_EQ(URLRequestStatus::IO_PENDING, request_->status().status()); |
| DCHECK(!override_response_headers_); |
| |
| // NOTE: This method assumes that request_info_ is already setup properly. |
| |
| // If we already have a transaction, then we should restart the transaction |
| // with auth provided by auth_credentials_. |
| |
| int rv; |
| |
| // Notify NetworkQualityEstimator. |
| NetworkQualityEstimator* network_quality_estimator = |
| request()->context()->network_quality_estimator(); |
| if (network_quality_estimator) |
| network_quality_estimator->NotifyStartTransaction(*request_); |
| |
| if (network_delegate()) { |
| network_delegate()->NotifyStartTransaction(request_, |
| request_info_.extra_headers); |
| } |
| |
| if (transaction_.get()) { |
| rv = transaction_->RestartWithAuth( |
| auth_credentials_, base::Bind(&URLRequestHttpJob::OnStartCompleted, |
| base::Unretained(this))); |
| auth_credentials_ = AuthCredentials(); |
| } else { |
| DCHECK(request_->context()->http_transaction_factory()); |
| |
| rv = request_->context()->http_transaction_factory()->CreateTransaction( |
| priority_, &transaction_); |
| |
| if (rv == OK && request_info_.url.SchemeIsWSOrWSS()) { |
| base::SupportsUserData::Data* data = |
| request_->GetUserData(kWebSocketHandshakeUserDataKey); |
| if (data) { |
| transaction_->SetWebSocketHandshakeStreamCreateHelper( |
| static_cast<WebSocketHandshakeStreamBase::CreateHelper*>(data)); |
| } else { |
| rv = ERR_DISALLOWED_URL_SCHEME; |
| } |
| } |
| |
| if (rv == OK) { |
| transaction_->SetBeforeHeadersSentCallback( |
| base::Bind(&URLRequestHttpJob::NotifyBeforeSendHeadersCallback, |
| base::Unretained(this))); |
| transaction_->SetRequestHeadersCallback(request_headers_callback_); |
| transaction_->SetResponseHeadersCallback(response_headers_callback_); |
| |
| if (!throttling_entry_.get() || |
| !throttling_entry_->ShouldRejectRequest(*request_)) { |
| rv = transaction_->Start( |
| &request_info_, base::Bind(&URLRequestHttpJob::OnStartCompleted, |
| base::Unretained(this)), |
| request_->net_log()); |
| start_time_ = base::TimeTicks::Now(); |
| } else { |
| // Special error code for the exponential back-off module. |
| rv = ERR_TEMPORARILY_THROTTLED; |
| } |
| } |
| } |
| |
| if (rv == ERR_IO_PENDING) |
| return; |
| |
| // The transaction started synchronously, but we need to notify the |
| // URLRequest delegate via the message loop. |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::Bind(&URLRequestHttpJob::OnStartCompleted, |
| weak_factory_.GetWeakPtr(), rv)); |
| } |
| |
| void URLRequestHttpJob::AddExtraHeaders() { |
| if (!request_info_.extra_headers.HasHeader( |
| HttpRequestHeaders::kAcceptEncoding)) { |
| // If a range is specifically requested, set the "Accepted Encoding" header |
| // to "identity" |
| if (request_info_.extra_headers.HasHeader(HttpRequestHeaders::kRange)) { |
| request_info_.extra_headers.SetHeader(HttpRequestHeaders::kAcceptEncoding, |
| "identity"); |
| } else { |
| // Advertise "br" encoding only if transferred data is opaque to proxy. |
| bool advertise_brotli = false; |
| if (request()->context()->enable_brotli()) { |
| if (request()->url().SchemeIsCryptographic() || |
| IsLocalhost(request()->url())) { |
| advertise_brotli = true; |
| } |
| } |
| |
| // Supply Accept-Encoding headers first so that it is more likely that |
| // they will be in the first transmitted packet. This can sometimes make |
| // it easier to filter and analyze the streams to assure that a proxy has |
| // not damaged these headers. Some proxies deliberately corrupt |
| // Accept-Encoding headers. |
| std::string advertised_encodings = "gzip, deflate"; |
| if (advertise_brotli) |
| advertised_encodings += ", br"; |
| // Tell the server what compression formats are supported. |
| request_info_.extra_headers.SetHeader(HttpRequestHeaders::kAcceptEncoding, |
| advertised_encodings); |
| } |
| } |
| |
| if (http_user_agent_settings_) { |
| // Only add default Accept-Language if the request didn't have it |
| // specified. |
| std::string accept_language = |
| http_user_agent_settings_->GetAcceptLanguage(); |
| if (!accept_language.empty()) { |
| request_info_.extra_headers.SetHeaderIfMissing( |
| HttpRequestHeaders::kAcceptLanguage, |
| accept_language); |
| } |
| } |
| } |
| |
| void URLRequestHttpJob::AddCookieHeaderAndStart() { |
| CookieStore* cookie_store = request_->context()->cookie_store(); |
| if (cookie_store && !(request_info_.load_flags & LOAD_DO_NOT_SEND_COOKIES)) { |
| CookieOptions options; |
| options.set_include_httponly(); |
| |
| // Set SameSiteCookieMode according to the rules laid out in |
| // https://tools.ietf.org/html/draft-ietf-httpbis-cookie-same-site: |
| // |
| // * Include both "strict" and "lax" same-site cookies if the request's |
| // |url|, |initiator|, and |site_for_cookies| all have the same |
| // registrable domain. Note: this also covers the case of a request |
| // without an initiator (only happens for browser-initiated main frame |
| // navigations). |
| // |
| // * Include only "lax" same-site cookies if the request's |URL| and |
| // |site_for_cookies| have the same registrable domain, _and_ the |
| // request's |method| is "safe" ("GET" or "HEAD"). |
| // |
| // Note that this will generally be the case only for cross-site requests |
| // which target a top-level browsing context. |
| // |
| // * Include both "strict" and "lax" same-site cookies if the request is |
| // tagged with a flag allowing it. |
| // Note that this can be the case for requests initiated by extensions, |
| // which need to behave as though they are made by the document itself, |
| // but appear like cross-site ones. |
| // |
| // * Otherwise, do not include same-site cookies. |
| if (registry_controlled_domains::SameDomainOrHost( |
| request_->url(), request_->site_for_cookies(), |
| registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES)) { |
| if (!request_->initiator() || |
| registry_controlled_domains::SameDomainOrHost( |
| request_->url(), request_->initiator().value().GetURL(), |
| registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES) || |
| request_->attach_same_site_cookies()) { |
| options.set_same_site_cookie_mode( |
| CookieOptions::SameSiteCookieMode::INCLUDE_STRICT_AND_LAX); |
| } else if (HttpUtil::IsMethodSafe(request_->method())) { |
| options.set_same_site_cookie_mode( |
| CookieOptions::SameSiteCookieMode::INCLUDE_LAX); |
| } |
| } |
| |
| cookie_store->GetCookieListWithOptionsAsync( |
| request_->url(), options, |
| base::Bind(&URLRequestHttpJob::SetCookieHeaderAndStart, |
| weak_factory_.GetWeakPtr())); |
| } else { |
| StartTransaction(); |
| } |
| } |
| |
| void URLRequestHttpJob::SetCookieHeaderAndStart(const CookieList& cookie_list) { |
| if (!cookie_list.empty() && CanGetCookies(cookie_list)) { |
| LogCookieUMA(cookie_list, *request_, request_info_); |
| |
| std::string cookie_line = CanonicalCookie::BuildCookieLine(cookie_list); |
| UMA_HISTOGRAM_COUNTS_10000("Cookie.HeaderLength", cookie_line.length()); |
| request_info_.extra_headers.SetHeader(HttpRequestHeaders::kCookie, |
| cookie_line); |
| |
| // Disable privacy mode as we are sending cookies anyway. |
| request_info_.privacy_mode = PRIVACY_MODE_DISABLED; |
| } |
| StartTransaction(); |
| } |
| |
| void URLRequestHttpJob::SaveCookiesAndNotifyHeadersComplete(int result) { |
| // End of the call started in OnStartCompleted. |
| OnCallToDelegateComplete(); |
| |
| if (result != OK) { |
| std::string source("delegate"); |
| request_->net_log().AddEvent(NetLogEventType::CANCELLED, |
| NetLog::StringCallback("source", &source)); |
| NotifyStartError(URLRequestStatus(URLRequestStatus::FAILED, result)); |
| return; |
| } |
| |
| base::Time response_date; |
| if (!GetResponseHeaders()->GetDateValue(&response_date)) |
| response_date = base::Time(); |
| |
| if (!(request_info_.load_flags & LOAD_DO_NOT_SAVE_COOKIES) && |
| request_->context()->cookie_store()) { |
| CookieOptions options; |
| options.set_include_httponly(); |
| options.set_server_time(response_date); |
| |
| // Set all cookies, without waiting for them to be set. Any subsequent read |
| // will see the combined result of all cookie operation. |
| const base::StringPiece name("Set-Cookie"); |
| std::string cookie_line; |
| size_t iter = 0; |
| HttpResponseHeaders* headers = GetResponseHeaders(); |
| while (headers->EnumerateHeader(&iter, name, &cookie_line)) { |
| std::unique_ptr<CanonicalCookie> cookie = net::CanonicalCookie::Create( |
| request_->url(), cookie_line, base::Time::Now(), options); |
| if (!cookie || !CanSetCookie(*cookie, &options)) |
| continue; |
| request_->context()->cookie_store()->SetCookieWithOptionsAsync( |
| request_->url(), cookie_line, options, |
| CookieStore::SetCookiesCallback()); |
| } |
| } |
| |
| NotifyHeadersComplete(); |
| } |
| |
| void URLRequestHttpJob::ProcessStrictTransportSecurityHeader() { |
| DCHECK(response_info_); |
| TransportSecurityState* security_state = |
| request_->context()->transport_security_state(); |
| const SSLInfo& ssl_info = response_info_->ssl_info; |
| |
| // Only accept HSTS headers on HTTPS connections that have no |
| // certificate errors. |
| if (!ssl_info.is_valid() || IsCertStatusError(ssl_info.cert_status) || |
| !security_state) { |
| return; |
| } |
| |
| // Don't accept HSTS headers when the hostname is an IP address. |
| if (request_info_.url.HostIsIPAddress()) |
| return; |
| |
| // http://tools.ietf.org/html/draft-ietf-websec-strict-transport-sec: |
| // |
| // If a UA receives more than one STS header field in a HTTP response |
| // message over secure transport, then the UA MUST process only the |
| // first such header field. |
| HttpResponseHeaders* headers = GetResponseHeaders(); |
| std::string value; |
| if (headers->EnumerateHeader(nullptr, "Strict-Transport-Security", &value)) |
| security_state->AddHSTSHeader(request_info_.url.host(), value); |
| } |
| |
| void URLRequestHttpJob::ProcessExpectCTHeader() { |
| DCHECK(response_info_); |
| TransportSecurityState* security_state = |
| request_->context()->transport_security_state(); |
| const SSLInfo& ssl_info = response_info_->ssl_info; |
| |
| // Only accept Expect CT headers on HTTPS connections that have no |
| // certificate errors. |
| if (!ssl_info.is_valid() || IsCertStatusError(ssl_info.cert_status) || |
| !security_state) { |
| return; |
| } |
| |
| HttpResponseHeaders* headers = GetResponseHeaders(); |
| std::string value; |
| if (headers->GetNormalizedHeader("Expect-CT", &value)) { |
| security_state->ProcessExpectCTHeader( |
| value, HostPortPair::FromURL(request_info_.url), ssl_info); |
| } |
| } |
| |
| void URLRequestHttpJob::OnStartCompleted(int result) { |
| TRACE_EVENT0(NetTracingCategory(), "URLRequestHttpJob::OnStartCompleted"); |
| RecordTimer(); |
| |
| // If the job is done (due to cancellation), can just ignore this |
| // notification. |
| if (done_) |
| return; |
| |
| receive_headers_end_ = base::TimeTicks::Now(); |
| |
| const URLRequestContext* context = request_->context(); |
| |
| if (transaction_ && transaction_->GetResponseInfo()) { |
| const SSLInfo& ssl_info = transaction_->GetResponseInfo()->ssl_info; |
| if (!IsCertificateError(result) || |
| (IsCertStatusError(ssl_info.cert_status) && |
| IsCertStatusMinorError(ssl_info.cert_status))) { |
| LogTrustAnchor(ssl_info.public_key_hashes); |
| } |
| |
| RecordCTHistograms(ssl_info); |
| } |
| |
| if (result == OK) { |
| if (transaction_ && transaction_->GetResponseInfo()) { |
| SetProxyServer(transaction_->GetResponseInfo()->proxy_server); |
| } |
| scoped_refptr<HttpResponseHeaders> headers = GetResponseHeaders(); |
| |
| if (network_delegate()) { |
| // Note that |this| may not be deleted until |
| // |URLRequestHttpJob::OnHeadersReceivedCallback()| or |
| // |NetworkDelegate::URLRequestDestroyed()| has been called. |
| OnCallToDelegate(NetLogEventType::NETWORK_DELEGATE_HEADERS_RECEIVED); |
| allowed_unsafe_redirect_url_ = GURL(); |
| // The NetworkDelegate must watch for OnRequestDestroyed and not modify |
| // any of the arguments or invoke the callback after it's called. Not |
| // using a WeakPtr here because it's not enough, the consumer has to watch |
| // for destruction regardless, due to the pointer parameters. |
| int error = network_delegate()->NotifyHeadersReceived( |
| request_, |
| base::BindOnce(&URLRequestHttpJob::OnHeadersReceivedCallback, |
| base::Unretained(this)), |
| headers.get(), &override_response_headers_, |
| &allowed_unsafe_redirect_url_); |
| if (error != OK) { |
| if (error == ERR_IO_PENDING) { |
| awaiting_callback_ = true; |
| } else { |
| std::string source("delegate"); |
| request_->net_log().AddEvent( |
| NetLogEventType::CANCELLED, |
| NetLog::StringCallback("source", &source)); |
| OnCallToDelegateComplete(); |
| NotifyStartError(URLRequestStatus(URLRequestStatus::FAILED, error)); |
| } |
| return; |
| } |
| } |
| if (transaction_ && transaction_->GetResponseInfo()) { |
| LogChannelIDAndCookieStores(request_->url(), request_->context(), |
| transaction_->GetResponseInfo()->ssl_info); |
| } |
| |
| SaveCookiesAndNotifyHeadersComplete(OK); |
| } else if (IsCertificateError(result)) { |
| // We encountered an SSL certificate error. |
| // Maybe overridable, maybe not. Ask the delegate to decide. |
| TransportSecurityState* state = context->transport_security_state(); |
| NotifySSLCertificateError( |
| transaction_->GetResponseInfo()->ssl_info, |
| state->ShouldSSLErrorsBeFatal(request_info_.url.host())); |
| } else if (result == ERR_SSL_CLIENT_AUTH_CERT_NEEDED) { |
| NotifyCertificateRequested( |
| transaction_->GetResponseInfo()->cert_request_info.get()); |
| } else { |
| // Even on an error, there may be useful information in the response |
| // info (e.g. whether there's a cached copy). |
| if (transaction_.get()) |
| response_info_ = transaction_->GetResponseInfo(); |
| NotifyStartError(URLRequestStatus(URLRequestStatus::FAILED, result)); |
| } |
| } |
| |
| void URLRequestHttpJob::OnHeadersReceivedCallback(int result) { |
| awaiting_callback_ = false; |
| |
| // Check that there are no callbacks to already canceled requests. |
| DCHECK_NE(URLRequestStatus::CANCELED, GetStatus().status()); |
| |
| SaveCookiesAndNotifyHeadersComplete(result); |
| } |
| |
| void URLRequestHttpJob::OnReadCompleted(int result) { |
| TRACE_EVENT0(NetTracingCategory(), "URLRequestHttpJob::OnReadCompleted"); |
| read_in_progress_ = false; |
| |
| DCHECK_NE(ERR_IO_PENDING, result); |
| |
| if (ShouldFixMismatchedContentLength(result)) |
| result = OK; |
| |
| // EOF or error, done with this job. |
| if (result <= 0) |
| DoneWithRequest(FINISHED); |
| |
| ReadRawDataComplete(result); |
| } |
| |
| void URLRequestHttpJob::RestartTransactionWithAuth( |
| const AuthCredentials& credentials) { |
| auth_credentials_ = credentials; |
| |
| // These will be reset in OnStartCompleted. |
| response_info_ = nullptr; |
| override_response_headers_ = nullptr; // See https://crbug.com/801237. |
| receive_headers_end_ = base::TimeTicks(); |
| |
| ResetTimer(); |
| |
| // Update the cookies, since the cookie store may have been updated from the |
| // headers in the 401/407. Since cookies were already appended to |
| // extra_headers, we need to strip them out before adding them again. |
| request_info_.extra_headers.RemoveHeader(HttpRequestHeaders::kCookie); |
| |
| AddCookieHeaderAndStart(); |
| } |
| |
| void URLRequestHttpJob::SetUpload(UploadDataStream* upload) { |
| DCHECK(!transaction_.get()) << "cannot change once started"; |
| request_info_.upload_data_stream = upload; |
| } |
| |
| void URLRequestHttpJob::SetExtraRequestHeaders( |
| const HttpRequestHeaders& headers) { |
| DCHECK(!transaction_.get()) << "cannot change once started"; |
| request_info_.extra_headers.CopyFrom(headers); |
| } |
| |
| LoadState URLRequestHttpJob::GetLoadState() const { |
| return transaction_.get() ? |
| transaction_->GetLoadState() : LOAD_STATE_IDLE; |
| } |
| |
| bool URLRequestHttpJob::GetMimeType(std::string* mime_type) const { |
| DCHECK(transaction_.get()); |
| |
| if (!response_info_) |
| return false; |
| |
| HttpResponseHeaders* headers = GetResponseHeaders(); |
| if (!headers) |
| return false; |
| return headers->GetMimeType(mime_type); |
| } |
| |
| bool URLRequestHttpJob::GetCharset(std::string* charset) { |
| DCHECK(transaction_.get()); |
| |
| if (!response_info_) |
| return false; |
| |
| return GetResponseHeaders()->GetCharset(charset); |
| } |
| |
| void URLRequestHttpJob::GetResponseInfo(HttpResponseInfo* info) { |
| if (response_info_) { |
| DCHECK(transaction_.get()); |
| |
| *info = *response_info_; |
| if (override_response_headers_.get()) |
| info->headers = override_response_headers_; |
| } |
| } |
| |
| void URLRequestHttpJob::GetLoadTimingInfo( |
| LoadTimingInfo* load_timing_info) const { |
| // If haven't made it far enough to receive any headers, don't return |
| // anything. This makes for more consistent behavior in the case of errors. |
| if (!transaction_ || receive_headers_end_.is_null()) |
| return; |
| if (transaction_->GetLoadTimingInfo(load_timing_info)) |
| load_timing_info->receive_headers_end = receive_headers_end_; |
| } |
| |
| bool URLRequestHttpJob::GetRemoteEndpoint(IPEndPoint* endpoint) const { |
| if (!transaction_) |
| return false; |
| |
| return transaction_->GetRemoteEndpoint(endpoint); |
| } |
| |
| int URLRequestHttpJob::GetResponseCode() const { |
| DCHECK(transaction_.get()); |
| |
| if (!response_info_) |
| return -1; |
| |
| return GetResponseHeaders()->response_code(); |
| } |
| |
| void URLRequestHttpJob::PopulateNetErrorDetails( |
| NetErrorDetails* details) const { |
| if (!transaction_) |
| return; |
| return transaction_->PopulateNetErrorDetails(details); |
| } |
| |
| std::unique_ptr<SourceStream> URLRequestHttpJob::SetUpSourceStream() { |
| DCHECK(transaction_.get()); |
| if (!response_info_) |
| return nullptr; |
| |
| std::unique_ptr<SourceStream> upstream = URLRequestJob::SetUpSourceStream(); |
| HttpResponseHeaders* headers = GetResponseHeaders(); |
| std::string type; |
| std::vector<SourceStream::SourceType> types; |
| size_t iter = 0; |
| while (headers->EnumerateHeader(&iter, "Content-Encoding", &type)) { |
| SourceStream::SourceType source_type = |
| FilterSourceStream::ParseEncodingType(type); |
| switch (source_type) { |
| case SourceStream::TYPE_BROTLI: |
| case SourceStream::TYPE_DEFLATE: |
| case SourceStream::TYPE_GZIP: |
| types.push_back(source_type); |
| break; |
| case SourceStream::TYPE_NONE: |
| // Identity encoding type. Pass through raw response body. |
| return upstream; |
| case SourceStream::TYPE_UNKNOWN: |
| // Unknown encoding type. Pass through raw response body. |
| // Despite of reporting to UMA, request will not be canceled; though |
| // it is expected that user will see malformed / garbage response. |
| FilterSourceStream::ReportContentDecodingFailed( |
| FilterSourceStream::TYPE_UNKNOWN); |
| return upstream; |
| case SourceStream::TYPE_GZIP_FALLBACK_DEPRECATED: |
| case SourceStream::TYPE_SDCH_DEPRECATED: |
| case SourceStream::TYPE_SDCH_POSSIBLE_DEPRECATED: |
| case SourceStream::TYPE_REJECTED: |
| case SourceStream::TYPE_INVALID: |
| case SourceStream::TYPE_MAX: |
| NOTREACHED(); |
| return nullptr; |
| } |
| } |
| |
| for (auto r_iter = types.rbegin(); r_iter != types.rend(); ++r_iter) { |
| std::unique_ptr<FilterSourceStream> downstream; |
| SourceStream::SourceType type = *r_iter; |
| switch (type) { |
| case SourceStream::TYPE_BROTLI: |
| downstream = CreateBrotliSourceStream(std::move(upstream)); |
| break; |
| case SourceStream::TYPE_GZIP: |
| case SourceStream::TYPE_DEFLATE: |
| downstream = GzipSourceStream::Create(std::move(upstream), type); |
| break; |
| case SourceStream::TYPE_GZIP_FALLBACK_DEPRECATED: |
| case SourceStream::TYPE_SDCH_DEPRECATED: |
| case SourceStream::TYPE_SDCH_POSSIBLE_DEPRECATED: |
| case SourceStream::TYPE_NONE: |
| case SourceStream::TYPE_INVALID: |
| case SourceStream::TYPE_REJECTED: |
| case SourceStream::TYPE_UNKNOWN: |
| case SourceStream::TYPE_MAX: |
| NOTREACHED(); |
| return nullptr; |
| } |
| if (downstream == nullptr) |
| return nullptr; |
| upstream = std::move(downstream); |
| } |
| |
| return upstream; |
| } |
| |
| bool URLRequestHttpJob::CopyFragmentOnRedirect(const GURL& location) const { |
| // Allow modification of reference fragments by default, unless |
| // |allowed_unsafe_redirect_url_| is set and equal to the redirect URL. |
| // When this is the case, we assume that the network delegate has set the |
| // desired redirect URL (with or without fragment), so it must not be changed |
| // any more. |
| return !allowed_unsafe_redirect_url_.is_valid() || |
| allowed_unsafe_redirect_url_ != location; |
| } |
| |
| bool URLRequestHttpJob::IsSafeRedirect(const GURL& location) { |
| // HTTP is always safe. |
| // TODO(pauljensen): Remove once crbug.com/146591 is fixed. |
| if (location.is_valid() && |
| (location.scheme() == "http" || location.scheme() == "https")) { |
| return true; |
| } |
| // Delegates may mark a URL as safe for redirection. |
| if (allowed_unsafe_redirect_url_.is_valid() && |
| allowed_unsafe_redirect_url_ == location) { |
| return true; |
| } |
| // Query URLRequestJobFactory as to whether |location| would be safe to |
| // redirect to. |
| return request_->context()->job_factory() && |
| request_->context()->job_factory()->IsSafeRedirectTarget(location); |
| } |
| |
| bool URLRequestHttpJob::NeedsAuth() { |
| int code = GetResponseCode(); |
| if (code == -1) |
| return false; |
| |
| // Check if we need either Proxy or WWW Authentication. This could happen |
| // because we either provided no auth info, or provided incorrect info. |
| switch (code) { |
| case 407: |
| if (proxy_auth_state_ == AUTH_STATE_CANCELED) |
| return false; |
| proxy_auth_state_ = AUTH_STATE_NEED_AUTH; |
| return true; |
| case 401: |
| if (server_auth_state_ == AUTH_STATE_CANCELED) |
| return false; |
| server_auth_state_ = AUTH_STATE_NEED_AUTH; |
| return true; |
| } |
| return false; |
| } |
| |
| void URLRequestHttpJob::GetAuthChallengeInfo( |
| scoped_refptr<AuthChallengeInfo>* result) { |
| DCHECK(transaction_.get()); |
| DCHECK(response_info_); |
| |
| // sanity checks: |
| DCHECK(proxy_auth_state_ == AUTH_STATE_NEED_AUTH || |
| server_auth_state_ == AUTH_STATE_NEED_AUTH); |
| DCHECK((GetResponseHeaders()->response_code() == HTTP_UNAUTHORIZED) || |
| (GetResponseHeaders()->response_code() == |
| HTTP_PROXY_AUTHENTICATION_REQUIRED)); |
| |
| *result = response_info_->auth_challenge; |
| } |
| |
| void URLRequestHttpJob::SetAuth(const AuthCredentials& credentials) { |
| DCHECK(transaction_.get()); |
| |
| // Proxy gets set first, then WWW. |
| if (proxy_auth_state_ == AUTH_STATE_NEED_AUTH) { |
| proxy_auth_state_ = AUTH_STATE_HAVE_AUTH; |
| } else { |
| DCHECK_EQ(server_auth_state_, AUTH_STATE_NEED_AUTH); |
| server_auth_state_ = AUTH_STATE_HAVE_AUTH; |
| } |
| |
| RestartTransactionWithAuth(credentials); |
| } |
| |
| void URLRequestHttpJob::CancelAuth() { |
| // Proxy gets set first, then WWW. |
| if (proxy_auth_state_ == AUTH_STATE_NEED_AUTH) { |
| proxy_auth_state_ = AUTH_STATE_CANCELED; |
| } else { |
| DCHECK_EQ(server_auth_state_, AUTH_STATE_NEED_AUTH); |
| server_auth_state_ = AUTH_STATE_CANCELED; |
| } |
| |
| // These will be reset in OnStartCompleted. |
| response_info_ = NULL; |
| receive_headers_end_ = base::TimeTicks::Now(); |
| // TODO(davidben,mmenke): We should either reset override_response_headers_ |
| // here or not call NotifyHeadersReceived a second time on the same response |
| // headers. See https://crbug.com/810063. |
| |
| ResetTimer(); |
| |
| // OK, let the consumer read the error page... |
| // |
| // Because we set the AUTH_STATE_CANCELED flag, NeedsAuth will return false, |
| // which will cause the consumer to receive OnResponseStarted instead of |
| // OnAuthRequired. |
| // |
| // We have to do this via InvokeLater to avoid "recursing" the consumer. |
| // |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::Bind(&URLRequestHttpJob::OnStartCompleted, |
| weak_factory_.GetWeakPtr(), OK)); |
| } |
| |
| void URLRequestHttpJob::ContinueWithCertificate( |
| scoped_refptr<X509Certificate> client_cert, |
| scoped_refptr<SSLPrivateKey> client_private_key) { |
| DCHECK(transaction_); |
| |
| DCHECK(!response_info_) << "should not have a response yet"; |
| DCHECK(!override_response_headers_); |
| receive_headers_end_ = base::TimeTicks(); |
| |
| ResetTimer(); |
| |
| int rv = transaction_->RestartWithCertificate( |
| std::move(client_cert), std::move(client_private_key), |
| base::Bind(&URLRequestHttpJob::OnStartCompleted, base::Unretained(this))); |
| if (rv == ERR_IO_PENDING) |
| return; |
| |
| // The transaction started synchronously, but we need to notify the |
| // URLRequest delegate via the message loop. |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::Bind(&URLRequestHttpJob::OnStartCompleted, |
| weak_factory_.GetWeakPtr(), rv)); |
| } |
| |
| void URLRequestHttpJob::ContinueDespiteLastError() { |
| // If the transaction was destroyed, then the job was cancelled. |
| if (!transaction_.get()) |
| return; |
| |
| DCHECK(!response_info_) << "should not have a response yet"; |
| DCHECK(!override_response_headers_); |
| receive_headers_end_ = base::TimeTicks(); |
| |
| ResetTimer(); |
| |
| int rv = transaction_->RestartIgnoringLastError( |
| base::Bind(&URLRequestHttpJob::OnStartCompleted, base::Unretained(this))); |
| if (rv == ERR_IO_PENDING) |
| return; |
| |
| // The transaction started synchronously, but we need to notify the |
| // URLRequest delegate via the message loop. |
| base::ThreadTaskRunnerHandle::Get()->PostTask( |
| FROM_HERE, base::Bind(&URLRequestHttpJob::OnStartCompleted, |
| weak_factory_.GetWeakPtr(), rv)); |
| } |
| |
| bool URLRequestHttpJob::ShouldFixMismatchedContentLength(int rv) const { |
| // Some servers send the body compressed, but specify the content length as |
| // the uncompressed size. Although this violates the HTTP spec we want to |
| // support it (as IE and FireFox do), but *only* for an exact match. |
| // See http://crbug.com/79694. |
| if (rv == ERR_CONTENT_LENGTH_MISMATCH || |
| rv == ERR_INCOMPLETE_CHUNKED_ENCODING) { |
| if (request_->response_headers()) { |
| int64_t expected_length = |
| request_->response_headers()->GetContentLength(); |
| VLOG(1) << __func__ << "() \"" << request_->url().spec() << "\"" |
| << " content-length = " << expected_length |
| << " pre total = " << prefilter_bytes_read() |
| << " post total = " << postfilter_bytes_read(); |
| if (postfilter_bytes_read() == expected_length) { |
| // Clear the error. |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| int URLRequestHttpJob::ReadRawData(IOBuffer* buf, int buf_size) { |
| DCHECK_NE(buf_size, 0); |
| DCHECK(!read_in_progress_); |
| |
| int rv = transaction_->Read( |
| buf, buf_size, |
| base::Bind(&URLRequestHttpJob::OnReadCompleted, base::Unretained(this))); |
| |
| if (ShouldFixMismatchedContentLength(rv)) |
| rv = OK; |
| |
| if (rv == 0 || (rv < 0 && rv != ERR_IO_PENDING)) |
| DoneWithRequest(FINISHED); |
| |
| if (rv == ERR_IO_PENDING) |
| read_in_progress_ = true; |
| |
| return rv; |
| } |
| |
| void URLRequestHttpJob::StopCaching() { |
| if (transaction_.get()) |
| transaction_->StopCaching(); |
| } |
| |
| bool URLRequestHttpJob::GetFullRequestHeaders( |
| HttpRequestHeaders* headers) const { |
| if (!transaction_) |
| return false; |
| |
| return transaction_->GetFullRequestHeaders(headers); |
| } |
| |
| int64_t URLRequestHttpJob::GetTotalReceivedBytes() const { |
| int64_t total_received_bytes = |
| total_received_bytes_from_previous_transactions_; |
| if (transaction_) |
| total_received_bytes += transaction_->GetTotalReceivedBytes(); |
| return total_received_bytes; |
| } |
| |
| int64_t URLRequestHttpJob::GetTotalSentBytes() const { |
| int64_t total_sent_bytes = total_sent_bytes_from_previous_transactions_; |
| if (transaction_) |
| total_sent_bytes += transaction_->GetTotalSentBytes(); |
| return total_sent_bytes; |
| } |
| |
| void URLRequestHttpJob::DoneReading() { |
| if (transaction_) { |
| transaction_->DoneReading(); |
| } |
| DoneWithRequest(FINISHED); |
| } |
| |
| void URLRequestHttpJob::DoneReadingRedirectResponse() { |
| if (transaction_) { |
| if (transaction_->GetResponseInfo()->headers->IsRedirect(NULL)) { |
| // If the original headers indicate a redirect, go ahead and cache the |
| // response, even if the |override_response_headers_| are a redirect to |
| // another location. |
| transaction_->DoneReading(); |
| } else { |
| // Otherwise, |override_response_headers_| must be non-NULL and contain |
| // bogus headers indicating a redirect. |
| DCHECK(override_response_headers_.get()); |
| DCHECK(override_response_headers_->IsRedirect(NULL)); |
| transaction_->StopCaching(); |
| } |
| } |
| DoneWithRequest(FINISHED); |
| } |
| |
| HostPortPair URLRequestHttpJob::GetSocketAddress() const { |
| return response_info_ ? response_info_->socket_address : HostPortPair(); |
| } |
| |
| void URLRequestHttpJob::RecordTimer() { |
| if (request_creation_time_.is_null()) { |
| NOTREACHED() |
| << "The same transaction shouldn't start twice without new timing."; |
| return; |
| } |
| |
| base::TimeDelta to_start = base::Time::Now() - request_creation_time_; |
| request_creation_time_ = base::Time(); |
| |
| UMA_HISTOGRAM_MEDIUM_TIMES("Net.HttpTimeToFirstByte", to_start); |
| if (request_info_.upload_data_stream && |
| request_info_.upload_data_stream->size() > 1024 * 1024) { |
| UMA_HISTOGRAM_MEDIUM_TIMES("Net.HttpTimeToFirstByte.LargeUpload", to_start); |
| } |
| } |
| |
| void URLRequestHttpJob::ResetTimer() { |
| if (!request_creation_time_.is_null()) { |
| NOTREACHED() |
| << "The timer was reset before it was recorded."; |
| return; |
| } |
| request_creation_time_ = base::Time::Now(); |
| } |
| |
| void URLRequestHttpJob::UpdatePacketReadTimes() { |
| if (!packet_timing_enabled_) |
| return; |
| |
| DCHECK_GT(prefilter_bytes_read(), bytes_observed_in_packets_); |
| |
| base::Time now(base::Time::Now()); |
| if (!bytes_observed_in_packets_) |
| request_time_snapshot_ = now; |
| final_packet_time_ = now; |
| |
| bytes_observed_in_packets_ = prefilter_bytes_read(); |
| } |
| |
| void URLRequestHttpJob::SetRequestHeadersCallback( |
| RequestHeadersCallback callback) { |
| DCHECK(!transaction_); |
| DCHECK(!request_headers_callback_); |
| request_headers_callback_ = std::move(callback); |
| } |
| |
| void URLRequestHttpJob::SetResponseHeadersCallback( |
| ResponseHeadersCallback callback) { |
| DCHECK(!transaction_); |
| DCHECK(!response_headers_callback_); |
| response_headers_callback_ = std::move(callback); |
| } |
| |
| void URLRequestHttpJob::RecordPerfHistograms(CompletionCause reason) { |
| if (start_time_.is_null()) |
| return; |
| |
| base::TimeDelta total_time = base::TimeTicks::Now() - start_time_; |
| UMA_HISTOGRAM_TIMES("Net.HttpJob.TotalTime", total_time); |
| |
| if (reason == FINISHED) { |
| UmaHistogramTimes( |
| base::StringPrintf("Net.HttpJob.TotalTimeSuccess.Priority%d", |
| request()->priority()), |
| total_time); |
| UMA_HISTOGRAM_TIMES("Net.HttpJob.TotalTimeSuccess", total_time); |
| } else { |
| UMA_HISTOGRAM_TIMES("Net.HttpJob.TotalTimeCancel", total_time); |
| } |
| |
| if (response_info_) { |
| // QUIC (by default) supports https scheme only, thus track https URLs only |
| // for QUIC. |
| bool is_https_google = request() && request()->url().SchemeIs("https") && |
| HasGoogleHost(request()->url()); |
| bool used_quic = response_info_->DidUseQuic(); |
| if (is_https_google) { |
| if (used_quic) { |
| UMA_HISTOGRAM_MEDIUM_TIMES("Net.HttpJob.TotalTime.Secure.Quic", |
| total_time); |
| } |
| } |
| |
| UMA_HISTOGRAM_CUSTOM_COUNTS("Net.HttpJob.PrefilterBytesRead", |
| prefilter_bytes_read(), 1, 50000000, 50); |
| if (response_info_->was_cached) { |
| UMA_HISTOGRAM_TIMES("Net.HttpJob.TotalTimeCached", total_time); |
| UMA_HISTOGRAM_CUSTOM_COUNTS("Net.HttpJob.PrefilterBytesRead.Cache", |
| prefilter_bytes_read(), 1, 50000000, 50); |
| |
| if (response_info_->unused_since_prefetch) |
| UMA_HISTOGRAM_COUNTS_1M("Net.Prefetch.HitBytes", |
| prefilter_bytes_read()); |
| } else { |
| UMA_HISTOGRAM_TIMES("Net.HttpJob.TotalTimeNotCached", total_time); |
| UMA_HISTOGRAM_CUSTOM_COUNTS("Net.HttpJob.PrefilterBytesRead.Net", |
| prefilter_bytes_read(), 1, 50000000, 50); |
| |
| if (request_info_.load_flags & LOAD_PREFETCH) { |
| UMA_HISTOGRAM_COUNTS_1M("Net.Prefetch.PrefilterBytesReadFromNetwork", |
| prefilter_bytes_read()); |
| } |
| if (is_https_google) { |
| if (used_quic) { |
| UMA_HISTOGRAM_MEDIUM_TIMES( |
| "Net.HttpJob.TotalTimeNotCached.Secure.Quic", total_time); |
| } else { |
| UMA_HISTOGRAM_MEDIUM_TIMES( |
| "Net.HttpJob.TotalTimeNotCached.Secure.NotQuic", total_time); |
| } |
| } |
| } |
| } |
| |
| start_time_ = base::TimeTicks(); |
| } |
| |
| void URLRequestHttpJob::DoneWithRequest(CompletionCause reason) { |
| if (done_) |
| return; |
| done_ = true; |
| |
| // Notify NetworkQualityEstimator. |
| NetworkQualityEstimator* network_quality_estimator = |
| request()->context()->network_quality_estimator(); |
| if (network_quality_estimator) { |
| network_quality_estimator->NotifyRequestCompleted( |
| *request(), request_->status().error()); |
| } |
| |
| RecordPerfHistograms(reason); |
| request()->set_received_response_content_length(prefilter_bytes_read()); |
| } |
| |
| HttpResponseHeaders* URLRequestHttpJob::GetResponseHeaders() const { |
| DCHECK(transaction_.get()); |
| DCHECK(transaction_->GetResponseInfo()); |
| return override_response_headers_.get() ? |
| override_response_headers_.get() : |
| transaction_->GetResponseInfo()->headers.get(); |
| } |
| |
| void URLRequestHttpJob::NotifyURLRequestDestroyed() { |
| awaiting_callback_ = false; |
| |
| // Notify NetworkQualityEstimator. |
| NetworkQualityEstimator* network_quality_estimator = |
| request()->context()->network_quality_estimator(); |
| if (network_quality_estimator) |
| network_quality_estimator->NotifyURLRequestDestroyed(*request()); |
| } |
| |
| } // namespace net |