| // Copyright 2014 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 "components/cronet/url_request_context_config.h" |
| |
| #include <utility> |
| |
| #include "base/json/json_reader.h" |
| #include "base/logging.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/sequenced_task_runner.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_piece.h" |
| #include "base/strings/string_split.h" |
| #include "base/values.h" |
| #include "net/cert/caching_cert_verifier.h" |
| #include "net/cert/cert_verifier.h" |
| #include "net/cert/cert_verify_proc.h" |
| #include "net/cert/multi_threaded_cert_verifier.h" |
| #include "net/dns/host_resolver.h" |
| #include "net/http/http_server_properties.h" |
| #include "net/quic/core/quic_protocol.h" |
| #include "net/quic/core/quic_utils.h" |
| #include "net/socket/ssl_client_socket.h" |
| #include "net/url_request/url_request_context_builder.h" |
| |
| namespace cronet { |
| |
| namespace { |
| |
| // Name of disk cache directory. |
| const char kDiskCacheDirectoryName[] = "disk_cache"; |
| // TODO(xunjieli): Refactor constants in io_thread.cc. |
| const char kQuicFieldTrialName[] = "QUIC"; |
| const char kQuicConnectionOptions[] = "connection_options"; |
| const char kQuicStoreServerConfigsInProperties[] = |
| "store_server_configs_in_properties"; |
| const char kQuicMaxServerConfigsStoredInProperties[] = |
| "max_server_configs_stored_in_properties"; |
| const char kQuicDelayTcpRace[] = "delay_tcp_race"; |
| const char kQuicMaxNumberOfLossyConnections[] = |
| "max_number_of_lossy_connections"; |
| const char kQuicPacketLossThreshold[] = "packet_loss_threshold"; |
| const char kQuicIdleConnectionTimeoutSeconds[] = |
| "idle_connection_timeout_seconds"; |
| const char kQuicHostWhitelist[] = "host_whitelist"; |
| const char kQuicCloseSessionsOnIpChange[] = "close_sessions_on_ip_change"; |
| const char kQuicMigrateSessionsOnNetworkChange[] = |
| "migrate_sessions_on_network_change"; |
| const char kQuicPreferAes[] = "prefer_aes"; |
| const char kQuicUserAgentId[] = "user_agent_id"; |
| const char kQuicMigrateSessionsEarly[] = "migrate_sessions_early"; |
| const char kQuicDisableBidirectionalStreams[] = |
| "quic_disable_bidirectional_streams"; |
| const char kQuicRaceCertVerification[] = "race_cert_verification"; |
| |
| // AsyncDNS experiment dictionary name. |
| const char kAsyncDnsFieldTrialName[] = "AsyncDNS"; |
| // Name of boolean to enable AsyncDNS experiment. |
| const char kAsyncDnsEnable[] = "enable"; |
| |
| const char kSSLKeyLogFile[] = "ssl_key_log_file"; |
| |
| void ParseAndSetExperimentalOptions( |
| const std::string& experimental_options, |
| net::URLRequestContextBuilder* context_builder, |
| net::NetLog* net_log, |
| const scoped_refptr<base::SequencedTaskRunner>& file_task_runner) { |
| if (experimental_options.empty()) |
| return; |
| |
| DVLOG(1) << "Experimental Options:" << experimental_options; |
| std::unique_ptr<base::Value> options = |
| base::JSONReader::Read(experimental_options); |
| |
| if (!options) { |
| DCHECK(false) << "Parsing experimental options failed: " |
| << experimental_options; |
| return; |
| } |
| |
| std::unique_ptr<base::DictionaryValue> dict = |
| base::DictionaryValue::From(std::move(options)); |
| |
| if (!dict) { |
| DCHECK(false) << "Experimental options string is not a dictionary: " |
| << experimental_options; |
| return; |
| } |
| |
| const base::DictionaryValue* quic_args = nullptr; |
| if (dict->GetDictionary(kQuicFieldTrialName, &quic_args)) { |
| std::string quic_connection_options; |
| if (quic_args->GetString(kQuicConnectionOptions, |
| &quic_connection_options)) { |
| context_builder->set_quic_connection_options( |
| net::QuicUtils::ParseQuicConnectionOptions(quic_connection_options)); |
| } |
| |
| // TODO(rtenneti): Delete this option after apps stop using it. |
| // Added this for backward compatibility. |
| bool quic_store_server_configs_in_properties = false; |
| if (quic_args->GetBoolean(kQuicStoreServerConfigsInProperties, |
| &quic_store_server_configs_in_properties)) { |
| context_builder->set_quic_max_server_configs_stored_in_properties( |
| net::kMaxQuicServersToPersist); |
| } |
| |
| int quic_max_server_configs_stored_in_properties = 0; |
| if (quic_args->GetInteger(kQuicMaxServerConfigsStoredInProperties, |
| &quic_max_server_configs_stored_in_properties)) { |
| context_builder->set_quic_max_server_configs_stored_in_properties( |
| static_cast<size_t>(quic_max_server_configs_stored_in_properties)); |
| } |
| |
| bool quic_delay_tcp_race = false; |
| if (quic_args->GetBoolean(kQuicDelayTcpRace, &quic_delay_tcp_race)) { |
| context_builder->set_quic_delay_tcp_race(quic_delay_tcp_race); |
| } |
| |
| int quic_max_number_of_lossy_connections = 0; |
| if (quic_args->GetInteger(kQuicMaxNumberOfLossyConnections, |
| &quic_max_number_of_lossy_connections)) { |
| context_builder->set_quic_max_number_of_lossy_connections( |
| quic_max_number_of_lossy_connections); |
| } |
| |
| double quic_packet_loss_threshold = 0.0; |
| if (quic_args->GetDouble(kQuicPacketLossThreshold, |
| &quic_packet_loss_threshold)) { |
| context_builder->set_quic_packet_loss_threshold( |
| quic_packet_loss_threshold); |
| } |
| |
| int quic_idle_connection_timeout_seconds = 0; |
| if (quic_args->GetInteger(kQuicIdleConnectionTimeoutSeconds, |
| &quic_idle_connection_timeout_seconds)) { |
| context_builder->set_quic_idle_connection_timeout_seconds( |
| quic_idle_connection_timeout_seconds); |
| } |
| |
| std::string quic_host_whitelist; |
| if (quic_args->GetString(kQuicHostWhitelist, &quic_host_whitelist)) { |
| std::unordered_set<std::string> hosts; |
| for (const std::string& host : |
| base::SplitString(quic_host_whitelist, ",", base::TRIM_WHITESPACE, |
| base::SPLIT_WANT_ALL)) { |
| hosts.insert(host); |
| } |
| context_builder->set_quic_host_whitelist(hosts); |
| } |
| |
| bool quic_close_sessions_on_ip_change = false; |
| if (quic_args->GetBoolean(kQuicCloseSessionsOnIpChange, |
| &quic_close_sessions_on_ip_change)) { |
| context_builder->set_quic_close_sessions_on_ip_change( |
| quic_close_sessions_on_ip_change); |
| } |
| |
| bool quic_migrate_sessions_on_network_change = false; |
| if (quic_args->GetBoolean(kQuicMigrateSessionsOnNetworkChange, |
| &quic_migrate_sessions_on_network_change)) { |
| context_builder->set_quic_migrate_sessions_on_network_change( |
| quic_migrate_sessions_on_network_change); |
| } |
| |
| bool quic_prefer_aes = false; |
| if (quic_args->GetBoolean(kQuicPreferAes, &quic_prefer_aes)) { |
| context_builder->set_quic_prefer_aes(quic_prefer_aes); |
| } |
| |
| std::string quic_user_agent_id; |
| if (quic_args->GetString(kQuicUserAgentId, &quic_user_agent_id)) { |
| context_builder->set_quic_user_agent_id(quic_user_agent_id); |
| } |
| |
| bool quic_migrate_sessions_early = false; |
| if (quic_args->GetBoolean(kQuicMigrateSessionsEarly, |
| &quic_migrate_sessions_early)) { |
| context_builder->set_quic_migrate_sessions_early( |
| quic_migrate_sessions_early); |
| } |
| |
| bool quic_disable_bidirectional_streams = false; |
| if (quic_args->GetBoolean(kQuicDisableBidirectionalStreams, |
| &quic_disable_bidirectional_streams)) { |
| context_builder->set_quic_disable_bidirectional_streams( |
| quic_disable_bidirectional_streams); |
| } |
| |
| bool quic_race_cert_verification = false; |
| if (quic_args->GetBoolean(kQuicRaceCertVerification, |
| &quic_race_cert_verification)) { |
| context_builder->set_quic_race_cert_verification( |
| quic_race_cert_verification); |
| } |
| } |
| |
| const base::DictionaryValue* async_dns_args = nullptr; |
| if (dict->GetDictionary(kAsyncDnsFieldTrialName, &async_dns_args)) { |
| bool async_dns_enable = false; |
| if (async_dns_args->GetBoolean(kAsyncDnsEnable, &async_dns_enable) && |
| async_dns_enable) { |
| if (net_log == nullptr) { |
| DCHECK(false) << "AsyncDNS experiment requires NetLog."; |
| } else { |
| std::unique_ptr<net::HostResolver> host_resolver( |
| net::HostResolver::CreateDefaultResolver(net_log)); |
| host_resolver->SetDnsClientEnabled(true); |
| context_builder->set_host_resolver(std::move(host_resolver)); |
| } |
| } |
| } |
| |
| std::string ssl_key_log_file_string; |
| if (dict->GetString(kSSLKeyLogFile, &ssl_key_log_file_string)) { |
| DCHECK(file_task_runner); |
| base::FilePath ssl_key_log_file(ssl_key_log_file_string); |
| if (!ssl_key_log_file.empty() && file_task_runner) { |
| // SetSSLKeyLogFile is only safe to call before any SSLClientSockets are |
| // created. This should not be used if there are multiple CronetEngine. |
| // TODO(xunjieli): Expose this as a stable API after crbug.com/458365 is |
| // resolved. |
| net::SSLClientSocket::SetSSLKeyLogFile(ssl_key_log_file, |
| file_task_runner); |
| } |
| } |
| } |
| |
| } // namespace |
| |
| URLRequestContextConfig::QuicHint::QuicHint(const std::string& host, |
| int port, |
| int alternate_port) |
| : host(host), port(port), alternate_port(alternate_port) {} |
| |
| URLRequestContextConfig::QuicHint::~QuicHint() {} |
| |
| URLRequestContextConfig::Pkp::Pkp(const std::string& host, |
| bool include_subdomains, |
| const base::Time& expiration_date) |
| : host(host), |
| include_subdomains(include_subdomains), |
| expiration_date(expiration_date) {} |
| |
| URLRequestContextConfig::Pkp::~Pkp() {} |
| |
| URLRequestContextConfig::URLRequestContextConfig( |
| bool enable_quic, |
| const std::string& quic_user_agent_id, |
| bool enable_spdy, |
| bool enable_sdch, |
| HttpCacheType http_cache, |
| int http_cache_max_size, |
| bool load_disable_cache, |
| const std::string& storage_path, |
| const std::string& user_agent, |
| const std::string& experimental_options, |
| const std::string& data_reduction_proxy_key, |
| const std::string& data_reduction_primary_proxy, |
| const std::string& data_reduction_fallback_proxy, |
| const std::string& data_reduction_secure_proxy_check_url, |
| std::unique_ptr<net::CertVerifier> mock_cert_verifier, |
| bool enable_network_quality_estimator, |
| bool bypass_public_key_pinning_for_local_trust_anchors, |
| const std::string& cert_verifier_data) |
| : enable_quic(enable_quic), |
| quic_user_agent_id(quic_user_agent_id), |
| enable_spdy(enable_spdy), |
| enable_sdch(enable_sdch), |
| http_cache(http_cache), |
| http_cache_max_size(http_cache_max_size), |
| load_disable_cache(load_disable_cache), |
| storage_path(storage_path), |
| user_agent(user_agent), |
| experimental_options(experimental_options), |
| data_reduction_proxy_key(data_reduction_proxy_key), |
| data_reduction_primary_proxy(data_reduction_primary_proxy), |
| data_reduction_fallback_proxy(data_reduction_fallback_proxy), |
| data_reduction_secure_proxy_check_url( |
| data_reduction_secure_proxy_check_url), |
| mock_cert_verifier(std::move(mock_cert_verifier)), |
| enable_network_quality_estimator(enable_network_quality_estimator), |
| bypass_public_key_pinning_for_local_trust_anchors( |
| bypass_public_key_pinning_for_local_trust_anchors), |
| cert_verifier_data(cert_verifier_data) {} |
| |
| URLRequestContextConfig::~URLRequestContextConfig() {} |
| |
| void URLRequestContextConfig::ConfigureURLRequestContextBuilder( |
| net::URLRequestContextBuilder* context_builder, |
| net::NetLog* net_log, |
| const scoped_refptr<base::SequencedTaskRunner>& file_task_runner) { |
| std::string config_cache; |
| if (http_cache != DISABLED) { |
| net::URLRequestContextBuilder::HttpCacheParams cache_params; |
| if (http_cache == DISK && !storage_path.empty()) { |
| cache_params.type = net::URLRequestContextBuilder::HttpCacheParams::DISK; |
| cache_params.path = |
| base::FilePath(storage_path) |
| .Append(FILE_PATH_LITERAL(kDiskCacheDirectoryName)); |
| } else { |
| cache_params.type = |
| net::URLRequestContextBuilder::HttpCacheParams::IN_MEMORY; |
| } |
| cache_params.max_size = http_cache_max_size; |
| context_builder->EnableHttpCache(cache_params); |
| } else { |
| context_builder->DisableHttpCache(); |
| } |
| context_builder->set_user_agent(user_agent); |
| context_builder->SetSpdyAndQuicEnabled(enable_spdy, enable_quic); |
| context_builder->set_sdch_enabled(enable_sdch); |
| if (enable_quic) |
| context_builder->set_quic_user_agent_id(quic_user_agent_id); |
| |
| ParseAndSetExperimentalOptions(experimental_options, context_builder, net_log, |
| file_task_runner); |
| |
| std::unique_ptr<net::CertVerifier> cert_verifier; |
| if (mock_cert_verifier) { |
| // Because |context_builder| expects CachingCertVerifier, wrap |
| // |mock_cert_verifier| into a CachingCertVerifier. |
| cert_verifier = base::MakeUnique<net::CachingCertVerifier>( |
| std::move(mock_cert_verifier)); |
| } else { |
| // net::CertVerifier::CreateDefault() returns a CachingCertVerifier. |
| cert_verifier = net::CertVerifier::CreateDefault(); |
| } |
| context_builder->SetCertVerifier(std::move(cert_verifier)); |
| // TODO(mef): Use |config| to set cookies. |
| } |
| |
| } // namespace cronet |
