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// 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/socket/client_socket_factory.h"
#include <utility>
#include "base/lazy_instance.h"
#include "build/build_config.h"
#include "net/cert/cert_database.h"
#include "net/socket/client_socket_handle.h"
#include "net/socket/tcp_client_socket.h"
#include "net/udp/udp_client_socket.h"
#if defined(USE_OPENSSL)
#include "net/socket/ssl_client_socket_openssl.h"
#else
#include "net/socket/ssl_client_socket_nss.h"
#endif
namespace net {
class X509Certificate;
namespace {
class DefaultClientSocketFactory : public ClientSocketFactory,
public CertDatabase::Observer {
public:
DefaultClientSocketFactory() {
CertDatabase::GetInstance()->AddObserver(this);
}
~DefaultClientSocketFactory() override {
// Note: This code never runs, as the factory is defined as a Leaky
// singleton.
CertDatabase::GetInstance()->RemoveObserver(this);
}
void OnCertAdded(const X509Certificate* cert) override {
ClearSSLSessionCache();
}
void OnCACertChanged(const X509Certificate* cert) override {
// Per wtc, we actually only need to flush when trust is reduced.
// Always flush now because OnCACertChanged does not tell us this.
// See comments in ClientSocketPoolManager::OnCACertChanged.
ClearSSLSessionCache();
}
scoped_ptr<DatagramClientSocket> CreateDatagramClientSocket(
DatagramSocket::BindType bind_type,
const RandIntCallback& rand_int_cb,
NetLog* net_log,
const NetLog::Source& source) override {
return scoped_ptr<DatagramClientSocket>(
new UDPClientSocket(bind_type, rand_int_cb, net_log, source));
}
scoped_ptr<StreamSocket> CreateTransportClientSocket(
const AddressList& addresses,
NetLog* net_log,
const NetLog::Source& source) override {
return scoped_ptr<StreamSocket>(
new TCPClientSocket(addresses, net_log, source));
}
scoped_ptr<SSLClientSocket> CreateSSLClientSocket(
scoped_ptr<ClientSocketHandle> transport_socket,
const HostPortPair& host_and_port,
const SSLConfig& ssl_config,
const SSLClientSocketContext& context) override {
#if defined(USE_OPENSSL)
return scoped_ptr<SSLClientSocket>(new SSLClientSocketOpenSSL(
std::move(transport_socket), host_and_port, ssl_config, context));
#else
return scoped_ptr<SSLClientSocket>(new SSLClientSocketNSS(
std::move(transport_socket), host_and_port, ssl_config, context));
#endif
}
void ClearSSLSessionCache() override { SSLClientSocket::ClearSessionCache(); }
};
static base::LazyInstance<DefaultClientSocketFactory>::Leaky
g_default_client_socket_factory = LAZY_INSTANCE_INITIALIZER;
} // namespace
// static
ClientSocketFactory* ClientSocketFactory::GetDefaultFactory() {
return g_default_client_socket_factory.Pointer();
}
} // namespace net
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