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// 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 "remoting/protocol/secure_channel_factory.h"
#include <utility>
#include "base/bind.h"
#include "remoting/protocol/authenticator.h"
#include "remoting/protocol/channel_authenticator.h"
#include "remoting/protocol/p2p_stream_socket.h"
namespace remoting {
namespace protocol {
SecureChannelFactory::SecureChannelFactory(
StreamChannelFactory* channel_factory,
Authenticator* authenticator)
: channel_factory_(channel_factory),
authenticator_(authenticator) {
DCHECK_EQ(authenticator_->state(), Authenticator::ACCEPTED);
}
SecureChannelFactory::~SecureChannelFactory() {
// CancelChannelCreation() is expected to be called before destruction.
DCHECK(channel_authenticators_.empty());
}
void SecureChannelFactory::CreateChannel(
const std::string& name,
const ChannelCreatedCallback& callback) {
DCHECK(!callback.is_null());
channel_factory_->CreateChannel(
name,
base::Bind(&SecureChannelFactory::OnBaseChannelCreated,
base::Unretained(this), name, callback));
}
void SecureChannelFactory::CancelChannelCreation(
const std::string& name) {
AuthenticatorMap::iterator it = channel_authenticators_.find(name);
if (it == channel_authenticators_.end()) {
channel_factory_->CancelChannelCreation(name);
} else {
delete it->second;
channel_authenticators_.erase(it);
}
}
void SecureChannelFactory::OnBaseChannelCreated(
const std::string& name,
const ChannelCreatedCallback& callback,
scoped_ptr<P2PStreamSocket> socket) {
if (!socket) {
callback.Run(nullptr);
return;
}
ChannelAuthenticator* channel_authenticator =
authenticator_->CreateChannelAuthenticator().release();
channel_authenticators_[name] = channel_authenticator;
channel_authenticator->SecureAndAuthenticate(
std::move(socket),
base::Bind(&SecureChannelFactory::OnSecureChannelCreated,
base::Unretained(this), name, callback));
}
void SecureChannelFactory::OnSecureChannelCreated(
const std::string& name,
const ChannelCreatedCallback& callback,
int error,
scoped_ptr<P2PStreamSocket> socket) {
DCHECK((socket && error == net::OK) || (!socket && error != net::OK));
AuthenticatorMap::iterator it = channel_authenticators_.find(name);
DCHECK(it != channel_authenticators_.end());
delete it->second;
channel_authenticators_.erase(it);
callback.Run(std::move(socket));
}
} // namespace protocol
} // namespace remoting
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