forked from electron/electron
/
system_network_context_manager.cc
331 lines (275 loc) · 12 KB
/
system_network_context_manager.cc
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// Copyright (c) 2018 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/browser/net/system_network_context_manager.h"
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/command_line.h"
#include "base/path_service.h"
#include "base/strings/string_split.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/net/chrome_mojo_proxy_resolver_factory.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "components/os_crypt/os_crypt.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/network_service_instance.h"
#include "content/public/common/content_features.h"
#include "content/public/common/network_service_util.h"
#include "electron/fuses.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "net/dns/public/util.h"
#include "net/net_buildflags.h"
#include "services/cert_verifier/public/mojom/cert_verifier_service_factory.mojom.h"
#include "services/network/network_service.h"
#include "services/network/public/cpp/cross_thread_pending_shared_url_loader_factory.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "services/network/public/mojom/network_context.mojom.h"
#include "shell/browser/api/electron_api_safe_storage.h"
#include "shell/browser/browser.h"
#include "shell/browser/electron_browser_client.h"
#include "shell/common/application_info.h"
#include "shell/common/electron_paths.h"
#include "shell/common/options_switches.h"
#include "url/gurl.h"
#if defined(OS_MAC)
#include "components/os_crypt/keychain_password_mac.h"
#endif
#if defined(OS_LINUX)
#include "components/os_crypt/key_storage_config_linux.h"
#endif
namespace {
// The global instance of the SystemNetworkContextmanager.
SystemNetworkContextManager* g_system_network_context_manager = nullptr;
network::mojom::HttpAuthStaticParamsPtr CreateHttpAuthStaticParams() {
network::mojom::HttpAuthStaticParamsPtr auth_static_params =
network::mojom::HttpAuthStaticParams::New();
auth_static_params->supported_schemes = {"basic", "digest", "ntlm",
"negotiate"};
return auth_static_params;
}
network::mojom::HttpAuthDynamicParamsPtr CreateHttpAuthDynamicParams() {
auto* command_line = base::CommandLine::ForCurrentProcess();
network::mojom::HttpAuthDynamicParamsPtr auth_dynamic_params =
network::mojom::HttpAuthDynamicParams::New();
auth_dynamic_params->server_allowlist = command_line->GetSwitchValueASCII(
electron::switches::kAuthServerWhitelist);
auth_dynamic_params->delegate_allowlist = command_line->GetSwitchValueASCII(
electron::switches::kAuthNegotiateDelegateWhitelist);
auth_dynamic_params->enable_negotiate_port =
command_line->HasSwitch(electron::switches::kEnableAuthNegotiatePort);
auth_dynamic_params->ntlm_v2_enabled =
!command_line->HasSwitch(electron::switches::kDisableNTLMv2);
return auth_dynamic_params;
}
} // namespace
// SharedURLLoaderFactory backed by a SystemNetworkContextManager and its
// network context. Transparently handles crashes.
class SystemNetworkContextManager::URLLoaderFactoryForSystem
: public network::SharedURLLoaderFactory {
public:
explicit URLLoaderFactoryForSystem(SystemNetworkContextManager* manager)
: manager_(manager) {
DETACH_FROM_SEQUENCE(sequence_checker_);
}
// mojom::URLLoaderFactory implementation:
void CreateLoaderAndStart(
mojo::PendingReceiver<network::mojom::URLLoader> request,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& url_request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation)
override {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!manager_)
return;
manager_->GetURLLoaderFactory()->CreateLoaderAndStart(
std::move(request), request_id, options, url_request, std::move(client),
traffic_annotation);
}
void Clone(mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver)
override {
if (!manager_)
return;
manager_->GetURLLoaderFactory()->Clone(std::move(receiver));
}
// SharedURLLoaderFactory implementation:
std::unique_ptr<network::PendingSharedURLLoaderFactory> Clone() override {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
return std::make_unique<network::CrossThreadPendingSharedURLLoaderFactory>(
this);
}
void Shutdown() { manager_ = nullptr; }
private:
friend class base::RefCounted<URLLoaderFactoryForSystem>;
~URLLoaderFactoryForSystem() override = default;
SEQUENCE_CHECKER(sequence_checker_);
SystemNetworkContextManager* manager_;
DISALLOW_COPY_AND_ASSIGN(URLLoaderFactoryForSystem);
};
network::mojom::NetworkContext* SystemNetworkContextManager::GetContext() {
if (!network_context_ || !network_context_.is_connected()) {
// This should call into OnNetworkServiceCreated(), which will re-create
// the network service, if needed. There's a chance that it won't be
// invoked, if the NetworkContext has encountered an error but the
// NetworkService has not yet noticed its pipe was closed. In that case,
// trying to create a new NetworkContext would fail, anyways, and hopefully
// a new NetworkContext will be created on the next GetContext() call.
content::GetNetworkService();
DCHECK(network_context_);
}
return network_context_.get();
}
network::mojom::URLLoaderFactory*
SystemNetworkContextManager::GetURLLoaderFactory() {
// Create the URLLoaderFactory as needed.
if (url_loader_factory_ && url_loader_factory_.is_connected()) {
return url_loader_factory_.get();
}
network::mojom::URLLoaderFactoryParamsPtr params =
network::mojom::URLLoaderFactoryParams::New();
params->process_id = network::mojom::kBrowserProcessId;
params->is_corb_enabled = false;
url_loader_factory_.reset();
GetContext()->CreateURLLoaderFactory(
url_loader_factory_.BindNewPipeAndPassReceiver(), std::move(params));
return url_loader_factory_.get();
}
scoped_refptr<network::SharedURLLoaderFactory>
SystemNetworkContextManager::GetSharedURLLoaderFactory() {
return shared_url_loader_factory_;
}
network::mojom::NetworkContextParamsPtr
SystemNetworkContextManager::CreateDefaultNetworkContextParams() {
network::mojom::NetworkContextParamsPtr network_context_params =
network::mojom::NetworkContextParams::New();
ConfigureDefaultNetworkContextParams(network_context_params.get());
cert_verifier::mojom::CertVerifierCreationParamsPtr
cert_verifier_creation_params =
cert_verifier::mojom::CertVerifierCreationParams::New();
network_context_params->cert_verifier_params =
content::GetCertVerifierParams(std::move(cert_verifier_creation_params));
return network_context_params;
}
void SystemNetworkContextManager::ConfigureDefaultNetworkContextParams(
network::mojom::NetworkContextParams* network_context_params) {
network_context_params->enable_brotli = true;
network_context_params->enable_referrers = true;
network_context_params->proxy_resolver_factory =
ChromeMojoProxyResolverFactory::CreateWithSelfOwnedReceiver();
#if !BUILDFLAG(DISABLE_FTP_SUPPORT)
network_context_params->enable_ftp_url_support = true;
#endif
}
// static
SystemNetworkContextManager* SystemNetworkContextManager::CreateInstance(
PrefService* pref_service) {
DCHECK(!g_system_network_context_manager);
g_system_network_context_manager =
new SystemNetworkContextManager(pref_service);
return g_system_network_context_manager;
}
// static
SystemNetworkContextManager* SystemNetworkContextManager::GetInstance() {
return g_system_network_context_manager;
}
// static
void SystemNetworkContextManager::DeleteInstance() {
DCHECK(g_system_network_context_manager);
delete g_system_network_context_manager;
}
SystemNetworkContextManager::SystemNetworkContextManager(
PrefService* pref_service)
: proxy_config_monitor_(pref_service) {
shared_url_loader_factory_ =
base::MakeRefCounted<URLLoaderFactoryForSystem>(this);
}
SystemNetworkContextManager::~SystemNetworkContextManager() {
shared_url_loader_factory_->Shutdown();
}
void SystemNetworkContextManager::OnNetworkServiceCreated(
network::mojom::NetworkService* network_service) {
network_service->SetUpHttpAuth(CreateHttpAuthStaticParams());
network_service->ConfigureHttpAuthPrefs(CreateHttpAuthDynamicParams());
network_context_.reset();
network_service->CreateNetworkContext(
network_context_.BindNewPipeAndPassReceiver(),
CreateNetworkContextParams());
net::SecureDnsMode default_secure_dns_mode = net::SecureDnsMode::kOff;
std::string default_doh_templates;
if (base::FeatureList::IsEnabled(features::kDnsOverHttps)) {
if (features::kDnsOverHttpsFallbackParam.Get()) {
default_secure_dns_mode = net::SecureDnsMode::kAutomatic;
} else {
default_secure_dns_mode = net::SecureDnsMode::kSecure;
}
default_doh_templates = features::kDnsOverHttpsTemplatesParam.Get();
}
std::string server_method;
absl::optional<std::vector<network::mojom::DnsOverHttpsServerPtr>>
servers_mojo;
if (!default_doh_templates.empty() &&
default_secure_dns_mode != net::SecureDnsMode::kOff) {
for (base::StringPiece server_template :
SplitStringPiece(default_doh_templates, " ", base::TRIM_WHITESPACE,
base::SPLIT_WANT_NONEMPTY)) {
if (!net::dns_util::IsValidDohTemplate(server_template, &server_method)) {
continue;
}
bool use_post = server_method == "POST";
if (!servers_mojo.has_value()) {
servers_mojo = absl::make_optional<
std::vector<network::mojom::DnsOverHttpsServerPtr>>();
}
network::mojom::DnsOverHttpsServerPtr server_mojo =
network::mojom::DnsOverHttpsServer::New();
server_mojo->server_template = std::string(server_template);
server_mojo->use_post = use_post;
servers_mojo->emplace_back(std::move(server_mojo));
}
}
bool additional_dns_query_types_enabled = true;
// Configure the stub resolver. This must be done after the system
// NetworkContext is created, but before anything has the chance to use it.
content::GetNetworkService()->ConfigureStubHostResolver(
base::FeatureList::IsEnabled(features::kAsyncDns),
default_secure_dns_mode, std::move(servers_mojo),
additional_dns_query_types_enabled);
std::string app_name = electron::Browser::Get()->GetName();
#if defined(OS_MAC)
KeychainPassword::GetServiceName() = app_name + " Safe Storage";
KeychainPassword::GetAccountName() = app_name;
#endif
#if defined(OS_WIN) || defined(OS_MAC)
// The OSCrypt keys are process bound, so if network service is out of
// process, send it the required key.
if (content::IsOutOfProcessNetworkService() &&
electron::fuses::IsCookieEncryptionEnabled()) {
network_service->SetEncryptionKey(OSCrypt::GetRawEncryptionKey());
}
#endif
#if DCHECK_IS_ON()
electron::safestorage::SetElectronCryptoReady(true);
#endif
}
network::mojom::NetworkContextParamsPtr
SystemNetworkContextManager::CreateNetworkContextParams() {
// TODO(mmenke): Set up parameters here (in memory cookie store, etc).
network::mojom::NetworkContextParamsPtr network_context_params =
CreateDefaultNetworkContextParams();
network_context_params->context_name = std::string("system");
network_context_params->user_agent =
electron::ElectronBrowserClient::Get()->GetUserAgent();
network_context_params->http_cache_enabled = false;
auto ssl_config = network::mojom::SSLConfig::New();
ssl_config->version_min = network::mojom::SSLVersion::kTLS12;
network_context_params->initial_ssl_config = std::move(ssl_config);
proxy_config_monitor_.AddToNetworkContextParams(network_context_params.get());
return network_context_params;
}