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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/socket/connect_job_factory.h"
#include <memory>
#include <optional>
#include <utility>
#include <variant>
#include <vector>
#include "base/check.h"
#include "base/memory/scoped_refptr.h"
#include "net/base/host_port_pair.h"
#include "net/base/network_anonymization_key.h"
#include "net/base/privacy_mode.h"
#include "net/base/proxy_chain.h"
#include "net/base/request_priority.h"
#include "net/dns/public/secure_dns_policy.h"
#include "net/http/http_proxy_connect_job.h"
#include "net/socket/connect_job.h"
#include "net/socket/connect_job_params_factory.h"
#include "net/socket/socket_tag.h"
#include "net/socket/socks_connect_job.h"
#include "net/socket/ssl_connect_job.h"
#include "net/socket/transport_connect_job.h"
#include "net/ssl/ssl_config.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "url/scheme_host_port.h"
namespace net {
namespace {
template <typename T>
std::unique_ptr<T> CreateFactoryIfNull(std::unique_ptr<T> in) {
if (in) {
return in;
}
return std::make_unique<T>();
}
} // namespace
ConnectJobFactory::ConnectJobFactory(
std::unique_ptr<HttpProxyConnectJob::Factory>
http_proxy_connect_job_factory,
std::unique_ptr<SOCKSConnectJob::Factory> socks_connect_job_factory,
std::unique_ptr<SSLConnectJob::Factory> ssl_connect_job_factory,
std::unique_ptr<TransportConnectJob::Factory> transport_connect_job_factory)
: http_proxy_connect_job_factory_(
CreateFactoryIfNull(std::move(http_proxy_connect_job_factory))),
socks_connect_job_factory_(
CreateFactoryIfNull(std::move(socks_connect_job_factory))),
ssl_connect_job_factory_(
CreateFactoryIfNull(std::move(ssl_connect_job_factory))),
transport_connect_job_factory_(
CreateFactoryIfNull(std::move(transport_connect_job_factory))) {}
ConnectJobFactory::~ConnectJobFactory() = default;
std::unique_ptr<ConnectJob> ConnectJobFactory::CreateConnectJob(
url::SchemeHostPort endpoint,
const ProxyChain& proxy_chain,
const std::optional<NetworkTrafficAnnotationTag>& proxy_annotation_tag,
const std::vector<SSLConfig::CertAndStatus>& allowed_bad_certs,
ConnectJobFactory::AlpnMode alpn_mode,
bool force_tunnel,
PrivacyMode privacy_mode,
const OnHostResolutionCallback& resolution_callback,
RequestPriority request_priority,
SocketTag socket_tag,
const NetworkAnonymizationKey& network_anonymization_key,
SecureDnsPolicy secure_dns_policy,
bool disable_cert_network_fetches,
const CommonConnectJobParams* common_connect_job_params,
ConnectJob::Delegate* delegate) const {
return CreateConnectJob(
Endpoint(std::move(endpoint)), proxy_chain, proxy_annotation_tag,
allowed_bad_certs, alpn_mode, force_tunnel, privacy_mode,
resolution_callback, request_priority, socket_tag,
network_anonymization_key, secure_dns_policy,
disable_cert_network_fetches, common_connect_job_params, delegate);
}
std::unique_ptr<ConnectJob> ConnectJobFactory::CreateConnectJob(
bool using_ssl,
HostPortPair endpoint,
const ProxyChain& proxy_chain,
const std::optional<NetworkTrafficAnnotationTag>& proxy_annotation_tag,
bool force_tunnel,
PrivacyMode privacy_mode,
const OnHostResolutionCallback& resolution_callback,
RequestPriority request_priority,
SocketTag socket_tag,
const NetworkAnonymizationKey& network_anonymization_key,
SecureDnsPolicy secure_dns_policy,
const CommonConnectJobParams* common_connect_job_params,
ConnectJob::Delegate* delegate) const {
SchemelessEndpoint schemeless_endpoint{using_ssl, std::move(endpoint)};
return CreateConnectJob(
std::move(schemeless_endpoint), proxy_chain, proxy_annotation_tag,
/*allowed_bad_certs=*/{}, ConnectJobFactory::AlpnMode::kDisabled,
force_tunnel, privacy_mode, resolution_callback, request_priority,
socket_tag, network_anonymization_key, secure_dns_policy,
/*disable_cert_network_fetches=*/false, common_connect_job_params,
delegate);
}
std::unique_ptr<ConnectJob> ConnectJobFactory::CreateConnectJob(
Endpoint endpoint,
const ProxyChain& proxy_chain,
const std::optional<NetworkTrafficAnnotationTag>& proxy_annotation_tag,
const std::vector<SSLConfig::CertAndStatus>& allowed_bad_certs,
ConnectJobFactory::AlpnMode alpn_mode,
bool force_tunnel,
PrivacyMode privacy_mode,
const OnHostResolutionCallback& resolution_callback,
RequestPriority request_priority,
SocketTag socket_tag,
const NetworkAnonymizationKey& network_anonymization_key,
SecureDnsPolicy secure_dns_policy,
bool disable_cert_network_fetches,
const CommonConnectJobParams* common_connect_job_params,
ConnectJob::Delegate* delegate) const {
ConnectJobParams connect_job_params = ConstructConnectJobParams(
endpoint, proxy_chain, proxy_annotation_tag, allowed_bad_certs, alpn_mode,
force_tunnel, privacy_mode, resolution_callback,
network_anonymization_key, secure_dns_policy,
disable_cert_network_fetches, common_connect_job_params,
proxy_dns_network_anonymization_key_);
if (connect_job_params.is_ssl()) {
return ssl_connect_job_factory_->Create(
request_priority, socket_tag, common_connect_job_params,
connect_job_params.take_ssl(), delegate, /*net_log=*/nullptr);
}
if (connect_job_params.is_transport()) {
return transport_connect_job_factory_->Create(
request_priority, socket_tag, common_connect_job_params,
connect_job_params.take_transport(), delegate, /*net_log=*/nullptr);
}
if (connect_job_params.is_http_proxy()) {
return http_proxy_connect_job_factory_->Create(
request_priority, socket_tag, common_connect_job_params,
connect_job_params.take_http_proxy(), delegate,
/*net_log=*/nullptr);
}
CHECK(connect_job_params.is_socks());
return socks_connect_job_factory_->Create(
request_priority, socket_tag, common_connect_job_params,
connect_job_params.take_socks(), delegate, /*net_log=*/nullptr);
}
} // namespace net
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