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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 "remoting/protocol/authenticator_test_base.h"
#include <utility>
#include "base/base64.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/test/test_timeouts.h"
#include "base/timer/timer.h"
#include "net/base/net_errors.h"
#include "net/base/test_data_directory.h"
#include "remoting/base/rsa_key_pair.h"
#include "remoting/protocol/authenticator.h"
#include "remoting/protocol/channel_authenticator.h"
#include "remoting/protocol/fake_stream_socket.h"
#include "remoting/protocol/p2p_stream_socket.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/webrtc/libjingle/xmllite/xmlelement.h"
using testing::_;
using testing::SaveArg;
namespace remoting {
namespace protocol {
namespace {
ACTION_P(QuitThreadOnCounter, counter) {
--(*counter);
EXPECT_GE(*counter, 0);
if (*counter == 0)
base::MessageLoop::current()->QuitWhenIdle();
}
} // namespace
AuthenticatorTestBase::MockChannelDoneCallback::MockChannelDoneCallback() {}
AuthenticatorTestBase::MockChannelDoneCallback::~MockChannelDoneCallback() {}
AuthenticatorTestBase::AuthenticatorTestBase() {}
AuthenticatorTestBase::~AuthenticatorTestBase() {}
void AuthenticatorTestBase::SetUp() {
base::FilePath certs_dir(net::GetTestCertsDirectory());
base::FilePath cert_path = certs_dir.AppendASCII("unittest.selfsigned.der");
ASSERT_TRUE(base::ReadFileToString(cert_path, &host_cert_));
base::FilePath key_path = certs_dir.AppendASCII("unittest.key.bin");
std::string key_string;
ASSERT_TRUE(base::ReadFileToString(key_path, &key_string));
std::string key_base64;
base::Base64Encode(key_string, &key_base64);
key_pair_ = RsaKeyPair::FromString(key_base64);
ASSERT_TRUE(key_pair_.get());
host_public_key_ = key_pair_->GetPublicKey();
}
void AuthenticatorTestBase::RunAuthExchange() {
ContinueAuthExchangeWith(client_.get(),
host_.get(),
client_->started(),
host_->started());
}
void AuthenticatorTestBase::RunHostInitiatedAuthExchange() {
ContinueAuthExchangeWith(host_.get(),
client_.get(),
host_->started(),
client_->started());
}
// static
// This function sends a message from the sender and receiver and recursively
// calls itself to the send the next message from the receiver to the sender
// untils the authentication completes.
void AuthenticatorTestBase::ContinueAuthExchangeWith(Authenticator* sender,
Authenticator* receiver,
bool sender_started,
bool receiver_started) {
scoped_ptr<buzz::XmlElement> message;
ASSERT_NE(Authenticator::WAITING_MESSAGE, sender->state());
if (sender->state() == Authenticator::ACCEPTED ||
sender->state() == Authenticator::REJECTED) {
return;
}
// Verify that once the started flag for either party is set to true,
// it should always stay true.
if (receiver_started) {
ASSERT_TRUE(receiver->started());
}
if (sender_started) {
ASSERT_TRUE(sender->started());
}
ASSERT_EQ(Authenticator::MESSAGE_READY, sender->state());
message = sender->GetNextMessage();
ASSERT_TRUE(message.get());
ASSERT_NE(Authenticator::MESSAGE_READY, sender->state());
ASSERT_EQ(Authenticator::WAITING_MESSAGE, receiver->state());
receiver->ProcessMessage(message.get(), base::Bind(
&AuthenticatorTestBase::ContinueAuthExchangeWith,
base::Unretained(receiver), base::Unretained(sender),
receiver->started(), sender->started()));
}
void AuthenticatorTestBase::RunChannelAuth(bool expected_fail) {
client_fake_socket_.reset(new FakeStreamSocket());
host_fake_socket_.reset(new FakeStreamSocket());
client_fake_socket_->PairWith(host_fake_socket_.get());
client_auth_->SecureAndAuthenticate(
std::move(client_fake_socket_),
base::Bind(&AuthenticatorTestBase::OnClientConnected,
base::Unretained(this)));
host_auth_->SecureAndAuthenticate(
std::move(host_fake_socket_),
base::Bind(&AuthenticatorTestBase::OnHostConnected,
base::Unretained(this)));
// Expect two callbacks to be called - the client callback and the host
// callback.
int callback_counter = 2;
EXPECT_CALL(client_callback_, OnDone(net::OK))
.WillOnce(QuitThreadOnCounter(&callback_counter));
if (expected_fail) {
EXPECT_CALL(host_callback_, OnDone(net::ERR_FAILED))
.WillOnce(QuitThreadOnCounter(&callback_counter));
} else {
EXPECT_CALL(host_callback_, OnDone(net::OK))
.WillOnce(QuitThreadOnCounter(&callback_counter));
}
// Ensure that .Run() does not run unbounded if the callbacks are never
// called.
base::Timer shutdown_timer(false, false);
shutdown_timer.Start(FROM_HERE, TestTimeouts::action_timeout(),
base::MessageLoop::QuitWhenIdleClosure());
message_loop_.Run();
shutdown_timer.Stop();
testing::Mock::VerifyAndClearExpectations(&client_callback_);
testing::Mock::VerifyAndClearExpectations(&host_callback_);
if (!expected_fail) {
ASSERT_TRUE(client_socket_.get() != nullptr);
ASSERT_TRUE(host_socket_.get() != nullptr);
}
}
void AuthenticatorTestBase::OnHostConnected(
int error,
scoped_ptr<P2PStreamSocket> socket) {
host_callback_.OnDone(error);
host_socket_ = std::move(socket);
}
void AuthenticatorTestBase::OnClientConnected(
int error,
scoped_ptr<P2PStreamSocket> socket) {
client_callback_.OnDone(error);
client_socket_ = std::move(socket);
}
} // namespace protocol
} // namespace remoting
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