blob: bc3d9ec396e7b40ce4630a515458c7c42bfcf665 [file] [log] [blame]
// 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 "chrome/browser/io_thread.h"
#include <utility>
#include <vector>
#include "base/base64.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/debug/leak_tracker.h"
#include "base/environment.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/field_trial_params.h"
#include "base/metrics/histogram_macros.h"
#include "base/single_thread_task_runner.h"
#include "base/stl_util.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task_scheduler/post_task.h"
#include "base/threading/thread.h"
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/data_usage/tab_id_annotator.h"
#include "chrome/browser/data_use_measurement/chrome_data_use_ascriber.h"
#include "chrome/browser/net/chrome_network_delegate.h"
#include "chrome/browser/net/dns_probe_service.h"
#include "chrome/browser/net/proxy_service_factory.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "components/certificate_transparency/ct_known_logs.h"
#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_prefs.h"
#include "components/data_usage/core/data_use_aggregator.h"
#include "components/data_usage/core/data_use_amortizer.h"
#include "components/data_usage/core/data_use_annotator.h"
#include "components/data_use_measurement/core/data_use_ascriber.h"
#include "components/metrics/metrics_service.h"
#include "components/net_log/chrome_net_log.h"
#include "components/network_session_configurator/common/network_features.h"
#include "components/policy/core/common/policy_service.h"
#include "components/policy/policy_constants.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/variations/variations_associated_data.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/network_quality_observer_factory.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/user_agent.h"
#include "extensions/buildflags/buildflags.h"
#include "net/cert/caching_cert_verifier.h"
#include "net/cert/cert_verifier.h"
#include "net/cert/cert_verify_proc.h"
#include "net/cert/ct_log_verifier.h"
#include "net/cert/multi_threaded_cert_verifier.h"
#include "net/dns/host_cache.h"
#include "net/dns/host_resolver.h"
#include "net/dns/mapped_host_resolver.h"
#include "net/http/http_auth_filter.h"
#include "net/http/http_auth_handler_factory.h"
#include "net/http/http_auth_preferences.h"
#include "net/http/http_network_session.h"
#include "net/http/http_server_properties_impl.h"
#include "net/http/http_transaction_factory.h"
#include "net/net_buildflags.h"
#include "net/nqe/network_quality_estimator.h"
#include "net/nqe/network_quality_estimator_params.h"
#include "net/proxy_resolution/pac_file_fetcher_impl.h"
#include "net/proxy_resolution/proxy_config_service.h"
#include "net/proxy_resolution/proxy_resolution_service.h"
#include "net/quic/chromium/quic_utils_chromium.h"
#include "net/socket/ssl_client_socket.h"
#include "net/url_request/url_fetcher.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_builder.h"
#include "net/url_request/url_request_context_getter.h"
#include "services/network/ignore_errors_cert_verifier.h"
#include "services/network/network_service.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/cpp/network_switches.h"
#include "services/network/url_request_context_builder_mojo.h"
#include "url/url_constants.h"
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "chrome/browser/extensions/event_router_forwarder.h"
#endif
#if defined(OS_ANDROID)
#include "base/android/build_info.h"
#include "chrome/browser/android/data_usage/external_data_use_observer.h"
#include "components/data_usage/android/traffic_stats_amortizer.h"
#include "net/cert/cert_verify_proc_android.h"
#endif // defined(OS_ANDROID)
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/net/cert_verify_proc_chromeos.h"
#include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
#include "chromeos/network/dhcp_pac_file_fetcher_factory_chromeos.h"
#include "chromeos/network/host_resolver_impl_chromeos.h"
#endif
#if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
#include "crypto/openssl_util.h"
#include "third_party/boringssl/src/include/openssl/cpu.h"
#endif
using content::BrowserThread;
class SafeBrowsingURLRequestContext;
// The IOThread object must outlive any tasks posted to the IO thread before the
// Quit task, so base::Bind() calls are not refcounted.
namespace {
net::CertVerifier* g_cert_verifier_for_io_thread_testing = nullptr;
// A CertVerifier that forwards all requests to
// |g_cert_verifier_for_io_thread_testing|. This is used to allow IOThread to
// have its own std::unique_ptr<net::CertVerifier> while forwarding calls to the
// static verifier.
class WrappedCertVerifierForIOThreadTesting : public net::CertVerifier {
public:
~WrappedCertVerifierForIOThreadTesting() override = default;
// CertVerifier implementation
int Verify(const RequestParams& params,
net::CRLSet* crl_set,
net::CertVerifyResult* verify_result,
const net::CompletionCallback& callback,
std::unique_ptr<Request>* out_req,
const net::NetLogWithSource& net_log) override {
verify_result->Reset();
if (!g_cert_verifier_for_io_thread_testing)
return net::ERR_FAILED;
return g_cert_verifier_for_io_thread_testing->Verify(
params, crl_set, verify_result, callback, out_req, net_log);
}
bool SupportsOCSPStapling() override {
if (!g_cert_verifier_for_io_thread_testing)
return false;
return g_cert_verifier_for_io_thread_testing->SupportsOCSPStapling();
}
};
#if defined(OS_MACOSX)
void ObserveKeychainEvents() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
net::CertDatabase::GetInstance()->SetMessageLoopForKeychainEvents();
}
#endif
// Gets file path into ssl_keylog_file from command line argument or
// environment variable. Command line argument has priority when
// both specified.
base::FilePath GetSSLKeyLogFile(const base::CommandLine& command_line) {
if (command_line.HasSwitch(switches::kSSLKeyLogFile)) {
base::FilePath path =
command_line.GetSwitchValuePath(switches::kSSLKeyLogFile);
if (!path.empty())
return path;
LOG(WARNING) << "ssl-key-log-file argument missing";
}
std::unique_ptr<base::Environment> env(base::Environment::Create());
std::string path_str;
env->GetVar("SSLKEYLOGFILE", &path_str);
#if defined(OS_WIN)
// base::Environment returns environment variables in UTF-8 on Windows.
return base::FilePath(base::UTF8ToUTF16(path_str));
#else
return base::FilePath(path_str);
#endif
}
std::unique_ptr<net::HostResolver> CreateGlobalHostResolver(
net::NetLog* net_log) {
TRACE_EVENT0("startup", "IOThread::CreateGlobalHostResolver");
#if defined(OS_CHROMEOS)
using resolver = chromeos::HostResolverImplChromeOS;
#else
using resolver = net::HostResolver;
#endif
std::unique_ptr<net::HostResolver> global_host_resolver =
resolver::CreateSystemResolver(net::HostResolver::Options(), net_log);
// If hostname remappings were specified on the command-line, layer these
// rules on top of the real host resolver. This allows forwarding all requests
// through a designated test server.
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (!command_line.HasSwitch(network::switches::kHostResolverRules))
return global_host_resolver;
auto remapped_resolver = std::make_unique<net::MappedHostResolver>(
std::move(global_host_resolver));
remapped_resolver->SetRulesFromString(
command_line.GetSwitchValueASCII(network::switches::kHostResolverRules));
return std::move(remapped_resolver);
}
// This function is for forwarding metrics usage pref changes to the metrics
// service on the appropriate thread.
// TODO(gayane): Reduce the frequency of posting tasks from IO to UI thread.
void UpdateMetricsUsagePrefsOnUIThread(const std::string& service_name,
int message_size,
bool is_cellular) {
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::BindOnce(
[](const std::string& service_name,
int message_size, bool is_cellular) {
// Some unit tests use IOThread but do not
// initialize MetricsService. In that case it's
// fine to skip the update.
auto* metrics_service =
g_browser_process->metrics_service();
if (metrics_service) {
metrics_service->UpdateMetricsUsagePrefs(
service_name, message_size, is_cellular);
}
},
service_name, message_size, is_cellular));
}
// Check the AsyncDns field trial and return true if it should be enabled. On
// Android this includes checking the Android version in the field trial.
bool ShouldEnableAsyncDns() {
bool feature_can_be_enabled = true;
#if defined(OS_ANDROID)
int min_sdk =
base::GetFieldTrialParamByFeatureAsInt(features::kAsyncDns, "min_sdk", 0);
if (base::android::BuildInfo::GetInstance()->sdk_int() < min_sdk)
feature_can_be_enabled = false;
#endif
return feature_can_be_enabled &&
base::FeatureList::IsEnabled(features::kAsyncDns);
}
} // namespace
class SystemURLRequestContextGetter : public net::URLRequestContextGetter {
public:
explicit SystemURLRequestContextGetter(IOThread* io_thread);
// Implementation for net::UrlRequestContextGetter.
net::URLRequestContext* GetURLRequestContext() override;
scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
const override;
protected:
~SystemURLRequestContextGetter() override;
private:
IOThread* const io_thread_; // Weak pointer, owned by BrowserProcess.
scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
base::debug::LeakTracker<SystemURLRequestContextGetter> leak_tracker_;
};
SystemURLRequestContextGetter::SystemURLRequestContextGetter(
IOThread* io_thread)
: io_thread_(io_thread),
network_task_runner_(
BrowserThread::GetTaskRunnerForThread(BrowserThread::IO)) {}
SystemURLRequestContextGetter::~SystemURLRequestContextGetter() {}
net::URLRequestContext* SystemURLRequestContextGetter::GetURLRequestContext() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK(io_thread_->globals()->system_request_context);
return io_thread_->globals()->system_request_context;
}
scoped_refptr<base::SingleThreadTaskRunner>
SystemURLRequestContextGetter::GetNetworkTaskRunner() const {
return network_task_runner_;
}
IOThread::Globals::Globals() : system_request_context(nullptr) {}
IOThread::Globals::~Globals() {}
// |local_state| is passed in explicitly in order to (1) reduce implicit
// dependencies and (2) make IOThread more flexible for testing.
IOThread::IOThread(
PrefService* local_state,
policy::PolicyService* policy_service,
net_log::ChromeNetLog* net_log,
extensions::EventRouterForwarder* extension_event_router_forwarder,
SystemNetworkContextManager* system_network_context_manager)
: net_log_(net_log),
#if BUILDFLAG(ENABLE_EXTENSIONS)
extension_event_router_forwarder_(extension_event_router_forwarder),
#endif
globals_(nullptr),
is_quic_allowed_on_init_(true),
weak_factory_(this) {
scoped_refptr<base::SingleThreadTaskRunner> io_thread_proxy =
BrowserThread::GetTaskRunnerForThread(BrowserThread::IO);
auth_schemes_ = local_state->GetString(prefs::kAuthSchemes);
negotiate_disable_cname_lookup_.Init(
prefs::kDisableAuthNegotiateCnameLookup, local_state,
base::Bind(&IOThread::UpdateNegotiateDisableCnameLookup,
base::Unretained(this)));
negotiate_disable_cname_lookup_.MoveToThread(io_thread_proxy);
negotiate_enable_port_.Init(
prefs::kEnableAuthNegotiatePort, local_state,
base::Bind(&IOThread::UpdateNegotiateEnablePort, base::Unretained(this)));
negotiate_enable_port_.MoveToThread(io_thread_proxy);
auth_server_whitelist_.Init(
prefs::kAuthServerWhitelist, local_state,
base::Bind(&IOThread::UpdateServerWhitelist, base::Unretained(this)));
auth_server_whitelist_.MoveToThread(io_thread_proxy);
auth_delegate_whitelist_.Init(
prefs::kAuthNegotiateDelegateWhitelist, local_state,
base::Bind(&IOThread::UpdateDelegateWhitelist, base::Unretained(this)));
auth_delegate_whitelist_.MoveToThread(io_thread_proxy);
#if defined(OS_ANDROID)
auth_android_negotiate_account_type_.Init(
prefs::kAuthAndroidNegotiateAccountType, local_state,
base::Bind(&IOThread::UpdateAndroidAuthNegotiateAccountType,
base::Unretained(this)));
auth_android_negotiate_account_type_.MoveToThread(io_thread_proxy);
#endif
#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
gssapi_library_name_ = local_state->GetString(prefs::kGSSAPILibraryName);
#endif
#if defined(OS_CHROMEOS)
policy::BrowserPolicyConnectorChromeOS* connector =
g_browser_process->platform_part()->browser_policy_connector_chromeos();
allow_gssapi_library_load_ = connector->IsActiveDirectoryManaged();
#endif
ChromeNetworkDelegate::InitializePrefsOnUIThread(
&system_enable_referrers_,
nullptr,
nullptr,
nullptr,
local_state);
local_state->SetDefaultPrefValue(prefs::kBuiltInDnsClientEnabled,
base::Value(ShouldEnableAsyncDns()));
dns_client_enabled_.Init(prefs::kBuiltInDnsClientEnabled,
local_state,
base::Bind(&IOThread::UpdateDnsClientEnabled,
base::Unretained(this)));
dns_client_enabled_.MoveToThread(io_thread_proxy);
if (base::FeatureList::IsEnabled(features::kDnsOverHttps)) {
base::Value specs(base::Value::Type::LIST);
base::Value methods(base::Value::Type::LIST);
base::Value spec(variations::GetVariationParamValueByFeature(
features::kDnsOverHttps, "server"));
base::Value method(variations::GetVariationParamValueByFeature(
features::kDnsOverHttps, "method"));
if (spec.GetString().size() > 0) {
specs.GetList().push_back(std::move(spec));
methods.GetList().push_back(std::move(method));
local_state->SetDefaultPrefValue(prefs::kDnsOverHttpsServers,
std::move(specs));
local_state->SetDefaultPrefValue(prefs::kDnsOverHttpsServerMethods,
std::move(methods));
}
}
dns_over_https_servers_.Init(
prefs::kDnsOverHttpsServers, local_state,
base::Bind(&IOThread::UpdateDnsClientEnabled, base::Unretained(this)));
dns_over_https_server_methods_.Init(
prefs::kDnsOverHttpsServerMethods, local_state,
base::Bind(&IOThread::UpdateDnsClientEnabled, base::Unretained(this)));
dns_over_https_servers_.MoveToThread(io_thread_proxy);
dns_over_https_server_methods_.MoveToThread(io_thread_proxy);
#if defined(OS_POSIX)
local_state->SetDefaultPrefValue(
prefs::kNtlmV2Enabled,
base::Value(base::FeatureList::IsEnabled(features::kNtlmV2Enabled)));
ntlm_v2_enabled_.Init(
prefs::kNtlmV2Enabled, local_state,
base::Bind(&IOThread::UpdateNtlmV2Enabled, base::Unretained(this)));
ntlm_v2_enabled_.MoveToThread(io_thread_proxy);
#endif
BrowserThread::SetIOThreadDelegate(this);
system_network_context_manager->SetUp(&network_context_request_,
&network_context_params_,
&is_quic_allowed_on_init_);
}
IOThread::~IOThread() {
// This isn't needed for production code, but in tests, IOThread may
// be multiply constructed.
BrowserThread::SetIOThreadDelegate(nullptr);
DCHECK(!globals_);
}
IOThread::Globals* IOThread::globals() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
return globals_;
}
net_log::ChromeNetLog* IOThread::net_log() {
return net_log_;
}
net::URLRequestContextGetter* IOThread::system_url_request_context_getter() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (!system_url_request_context_getter_.get()) {
system_url_request_context_getter_ =
base::MakeRefCounted<SystemURLRequestContextGetter>(this);
}
return system_url_request_context_getter_.get();
}
void IOThread::Init() {
TRACE_EVENT0("startup", "IOThread::InitAsync");
DCHECK_CURRENTLY_ON(BrowserThread::IO);
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
// Export ssl keys if log file specified.
base::FilePath ssl_keylog_file = GetSSLKeyLogFile(command_line);
if (!ssl_keylog_file.empty())
net::SSLClientSocket::SetSSLKeyLogFile(ssl_keylog_file);
DCHECK(!globals_);
globals_ = new Globals;
// Setup the HistogramWatcher to run on the IO thread.
net::NetworkChangeNotifier::InitHistogramWatcher();
#if BUILDFLAG(ENABLE_EXTENSIONS)
globals_->extension_event_router_forwarder =
extension_event_router_forwarder_;
#endif
std::unique_ptr<data_usage::DataUseAmortizer> data_use_amortizer;
#if defined(OS_ANDROID)
data_use_amortizer =
std::make_unique<data_usage::android::TrafficStatsAmortizer>();
#endif // defined(OS_ANDROID)
globals_->data_use_ascriber =
std::make_unique<data_use_measurement::ChromeDataUseAscriber>();
globals_->data_use_aggregator =
std::make_unique<data_usage::DataUseAggregator>(
std::make_unique<chrome_browser_data_usage::TabIdAnnotator>(),
std::move(data_use_amortizer));
#if defined(OS_ANDROID)
globals_->external_data_use_observer =
std::make_unique<android::ExternalDataUseObserver>(
globals_->data_use_aggregator.get(),
BrowserThread::GetTaskRunnerForThread(BrowserThread::IO),
BrowserThread::GetTaskRunnerForThread(BrowserThread::UI));
#endif // defined(OS_ANDROID)
globals_->dns_probe_service =
std::make_unique<chrome_browser_net::DnsProbeService>();
if (command_line.HasSwitch(switches::kIgnoreUrlFetcherCertRequests))
net::URLFetcher::SetIgnoreCertificateRequests(true);
#if defined(OS_MACOSX)
// Start observing Keychain events. This needs to be done on the UI thread,
// as Keychain services requires a CFRunLoop.
BrowserThread::PostTask(BrowserThread::UI,
FROM_HERE,
base::Bind(&ObserveKeychainEvents));
#endif
#if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
crypto::EnsureOpenSSLInit();
// Measure CPUs with broken NEON units. See https://crbug.com/341598.
UMA_HISTOGRAM_BOOLEAN("Net.HasBrokenNEON", CRYPTO_has_broken_NEON());
// Measure Android kernels with missing AT_HWCAP2 auxv fields. See
// https://crbug.com/boringssl/46.
UMA_HISTOGRAM_BOOLEAN("Net.NeedsHWCAP2Workaround",
CRYPTO_needs_hwcap2_workaround());
#endif
ConstructSystemRequestContext();
UpdateDnsClientEnabled();
}
void IOThread::CleanUp() {
base::debug::LeakTracker<SafeBrowsingURLRequestContext>::CheckForLeaks();
system_url_request_context_getter_ = nullptr;
globals_->system_request_context->proxy_resolution_service()->OnShutdown();
// Release objects that the net::URLRequestContext could have been pointing
// to.
// Shutdown the HistogramWatcher on the IO thread.
net::NetworkChangeNotifier::ShutdownHistogramWatcher();
delete globals_;
globals_ = nullptr;
base::debug::LeakTracker<SystemURLRequestContextGetter>::CheckForLeaks();
if (net_log_)
net_log_->ShutDownBeforeTaskScheduler();
}
// static
void IOThread::RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterStringPref(prefs::kAuthSchemes,
"basic,digest,ntlm,negotiate");
registry->RegisterBooleanPref(prefs::kDisableAuthNegotiateCnameLookup, false);
registry->RegisterBooleanPref(prefs::kEnableAuthNegotiatePort, false);
registry->RegisterStringPref(prefs::kAuthServerWhitelist, std::string());
registry->RegisterStringPref(prefs::kAuthNegotiateDelegateWhitelist,
std::string());
registry->RegisterStringPref(prefs::kGSSAPILibraryName, std::string());
registry->RegisterStringPref(prefs::kAuthAndroidNegotiateAccountType,
std::string());
registry->RegisterBooleanPref(prefs::kEnableReferrers, true);
data_reduction_proxy::RegisterPrefs(registry);
registry->RegisterBooleanPref(prefs::kBuiltInDnsClientEnabled, true);
registry->RegisterListPref(prefs::kDnsOverHttpsServers);
registry->RegisterListPref(prefs::kDnsOverHttpsServerMethods);
#if defined(OS_POSIX)
registry->RegisterBooleanPref(prefs::kNtlmV2Enabled, true);
#endif
}
// static
void IOThread::SetCertVerifierForTesting(net::CertVerifier* cert_verifier) {
g_cert_verifier_for_io_thread_testing = cert_verifier;
}
void IOThread::UpdateServerWhitelist() {
globals_->http_auth_preferences->SetServerWhitelist(
auth_server_whitelist_.GetValue());
}
void IOThread::UpdateDelegateWhitelist() {
globals_->http_auth_preferences->SetDelegateWhitelist(
auth_delegate_whitelist_.GetValue());
}
#if defined(OS_ANDROID)
void IOThread::UpdateAndroidAuthNegotiateAccountType() {
globals_->http_auth_preferences->set_auth_android_negotiate_account_type(
auth_android_negotiate_account_type_.GetValue());
}
#endif
void IOThread::UpdateNegotiateDisableCnameLookup() {
globals_->http_auth_preferences->set_negotiate_disable_cname_lookup(
negotiate_disable_cname_lookup_.GetValue());
}
void IOThread::UpdateNegotiateEnablePort() {
globals_->http_auth_preferences->set_negotiate_enable_port(
negotiate_enable_port_.GetValue());
}
#if defined(OS_POSIX)
void IOThread::UpdateNtlmV2Enabled() {
globals_->http_auth_preferences->set_ntlm_v2_enabled(
ntlm_v2_enabled_.GetValue());
}
#endif
std::unique_ptr<net::HttpAuthHandlerFactory>
IOThread::CreateDefaultAuthHandlerFactory(net::HostResolver* host_resolver) {
std::vector<std::string> supported_schemes = base::SplitString(
auth_schemes_, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
globals_->http_auth_preferences =
std::make_unique<net::HttpAuthPreferences>();
UpdateServerWhitelist();
UpdateDelegateWhitelist();
UpdateNegotiateDisableCnameLookup();
UpdateNegotiateEnablePort();
#if defined(OS_POSIX)
UpdateNtlmV2Enabled();
#endif
#if defined(OS_ANDROID)
UpdateAndroidAuthNegotiateAccountType();
#endif
return net::HttpAuthHandlerRegistryFactory::Create(
host_resolver, globals_->http_auth_preferences.get(), supported_schemes
#if defined(OS_CHROMEOS)
,
allow_gssapi_library_load_
#elif defined(OS_POSIX) && !defined(OS_ANDROID)
,
gssapi_library_name_
#endif
);
}
void IOThread::DisableQuic() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
globals_->quic_disabled = true;
}
void IOThread::UpdateDnsClientEnabled() {
globals()->system_request_context->host_resolver()->SetDnsClientEnabled(
*dns_client_enabled_ || (*dns_over_https_servers_).size() > 0);
net::HostResolver* resolver =
globals()->system_request_context->host_resolver();
if ((*dns_over_https_servers_).size()) {
resolver->SetRequestContext(globals_->system_request_context);
}
DCHECK((*dns_over_https_servers_).size() ==
(*dns_over_https_server_methods_).size());
resolver->ClearDnsOverHttpsServers();
for (unsigned int i = 0; i < (*dns_over_https_servers_).size(); i++) {
resolver->AddDnsOverHttpsServer(
(*dns_over_https_servers_)[i],
(*dns_over_https_server_methods_)[i].compare("POST") == 0);
}
}
void IOThread::SetUpProxyService(
network::URLRequestContextBuilderMojo* builder) const {
#if defined(OS_CHROMEOS)
builder->SetDhcpFetcherFactory(
std::make_unique<chromeos::DhcpPacFileFetcherFactoryChromeos>());
#endif
}
void IOThread::ConstructSystemRequestContext() {
std::unique_ptr<network::URLRequestContextBuilderMojo> builder =
std::make_unique<network::URLRequestContextBuilderMojo>();
if (!base::FeatureList::IsEnabled(network::features::kNetworkService)) {
auto chrome_network_delegate = std::make_unique<ChromeNetworkDelegate>(
extension_event_router_forwarder(), &system_enable_referrers_);
// By default, data usage is considered off the record.
chrome_network_delegate->set_data_use_aggregator(
globals_->data_use_aggregator.get(),
true /* is_data_usage_off_the_record */);
builder->set_network_delegate(
globals_->data_use_ascriber->CreateNetworkDelegate(
std::move(chrome_network_delegate), GetMetricsDataUseForwarder()));
}
std::unique_ptr<net::HostResolver> host_resolver(
CreateGlobalHostResolver(net_log_));
builder->SetHttpAuthHandlerFactory(
CreateDefaultAuthHandlerFactory(host_resolver.get()));
std::unique_ptr<net::CertVerifier> cert_verifier;
if (g_cert_verifier_for_io_thread_testing) {
cert_verifier = std::make_unique<WrappedCertVerifierForIOThreadTesting>();
} else {
#if defined(OS_CHROMEOS)
// Creates a CertVerifyProc that doesn't allow any profile-provided certs.
cert_verifier = std::make_unique<net::CachingCertVerifier>(
std::make_unique<net::MultiThreadedCertVerifier>(
base::MakeRefCounted<chromeos::CertVerifyProcChromeOS>()));
#else
cert_verifier = std::make_unique<net::CachingCertVerifier>(
std::make_unique<net::MultiThreadedCertVerifier>(
net::CertVerifyProc::CreateDefault()));
#endif
}
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
builder->SetCertVerifier(
network::IgnoreErrorsCertVerifier::MaybeWrapCertVerifier(
command_line, switches::kUserDataDir, std::move(cert_verifier)));
UMA_HISTOGRAM_BOOLEAN(
"Net.Certificate.IgnoreCertificateErrorsSPKIListPresent",
command_line.HasSwitch(
network::switches::kIgnoreCertificateErrorsSPKIList));
SetUpProxyService(builder.get());
if (!is_quic_allowed_on_init_)
globals_->quic_disabled = true;
if (base::FeatureList::IsEnabled(network::features::kNetworkService)) {
globals_->deprecated_network_quality_estimator =
std::make_unique<net::NetworkQualityEstimator>(
std::make_unique<net::NetworkQualityEstimatorParams>(
std::map<std::string, std::string>()),
net_log_);
globals_->deprecated_host_resolver = std::move(host_resolver);
globals_->system_request_context_owner = std::move(builder)->Create(
std::move(network_context_params_).get(), !is_quic_allowed_on_init_,
net_log_, globals_->deprecated_host_resolver.get(),
globals_->deprecated_network_quality_estimator.get());
globals_->system_request_context =
globals_->system_request_context_owner.url_request_context.get();
} else {
content::GetNetworkServiceImpl()->SetHostResolver(std::move(host_resolver));
globals_->system_network_context =
content::GetNetworkServiceImpl()->CreateNetworkContextWithBuilder(
std::move(network_context_request_),
std::move(network_context_params_), std::move(builder),
&globals_->system_request_context);
}
// TODO(mmenke): This class currently requires an in-process
// NetworkQualityEstimator. Fix that.
globals_->network_quality_observer = content::CreateNetworkQualityObserver(
globals_->system_request_context->network_quality_estimator());
}
metrics::UpdateUsagePrefCallbackType IOThread::GetMetricsDataUseForwarder() {
return base::Bind(&UpdateMetricsUsagePrefsOnUIThread);
}