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// Copyright 2013 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 <utility>
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/run_loop.h"
#include "net/base/net_errors.h"
#include "remoting/base/rsa_key_pair.h"
#include "remoting/protocol/authenticator_test_base.h"
#include "remoting/protocol/channel_authenticator.h"
#include "remoting/protocol/connection_tester.h"
#include "remoting/protocol/fake_authenticator.h"
#include "remoting/protocol/third_party_authenticator_base.h"
#include "remoting/protocol/third_party_client_authenticator.h"
#include "remoting/protocol/third_party_host_authenticator.h"
#include "remoting/protocol/token_validator.h"
#include "remoting/protocol/v2_authenticator.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libjingle_xmpp/xmllite/xmlelement.h"
using testing::_;
using testing::DeleteArg;
using testing::SaveArg;
namespace {
const int kMessageSize = 100;
const int kMessages = 1;
const char kTokenUrl[] = "https://example.com/Issue";
const char kTokenScope[] = "host:a@b.com/1 client:a@b.com/2";
const char kToken[] = "abc123456xyz789";
const char kSharedSecret[] = "1234-1234-5678";
const char kSharedSecretBad[] = "0000-0000-0001";
} // namespace
namespace remoting {
namespace protocol {
class ThirdPartyAuthenticatorTest : public AuthenticatorTestBase {
class FakeTokenFetcher {
public:
void FetchThirdPartyToken(
const std::string& token_url,
const std::string& scope,
const ThirdPartyTokenFetchedCallback& token_fetched_callback) {
ASSERT_EQ(token_url, kTokenUrl);
ASSERT_EQ(scope, kTokenScope);
ASSERT_FALSE(token_fetched_callback.is_null());
on_token_fetched_ = token_fetched_callback;
}
void OnTokenFetched(const std::string& token,
const std::string& shared_secret) {
ASSERT_FALSE(on_token_fetched_.is_null());
base::ResetAndReturn(&on_token_fetched_).Run(token, shared_secret);
}
private:
ThirdPartyTokenFetchedCallback on_token_fetched_;
};
class FakeTokenValidator : public TokenValidator {
public:
FakeTokenValidator()
: token_url_(kTokenUrl),
token_scope_(kTokenScope) {}
~FakeTokenValidator() override {}
void ValidateThirdPartyToken(
const std::string& token,
const TokenValidatedCallback& token_validated_callback) override {
ASSERT_FALSE(token_validated_callback.is_null());
on_token_validated_ = token_validated_callback;
}
void OnTokenValidated(const std::string& shared_secret) {
ASSERT_FALSE(on_token_validated_.is_null());
base::ResetAndReturn(&on_token_validated_).Run(shared_secret);
}
const GURL& token_url() const override { return token_url_; }
const std::string& token_scope() const override { return token_scope_; }
private:
GURL token_url_;
std::string token_scope_;
base::Callback<void(const std::string& shared_secret)> on_token_validated_;
};
public:
ThirdPartyAuthenticatorTest() {}
~ThirdPartyAuthenticatorTest() override {}
protected:
void InitAuthenticators() {
token_validator_ = new FakeTokenValidator();
host_.reset(new ThirdPartyHostAuthenticator(
base::Bind(&V2Authenticator::CreateForHost, host_cert_, key_pair_),
base::WrapUnique(token_validator_)));
client_.reset(new ThirdPartyClientAuthenticator(
base::Bind(&V2Authenticator::CreateForClient),
base::Bind(&FakeTokenFetcher::FetchThirdPartyToken,
base::Unretained(&token_fetcher_))));
}
FakeTokenFetcher token_fetcher_;
FakeTokenValidator* token_validator_;
private:
DISALLOW_COPY_AND_ASSIGN(ThirdPartyAuthenticatorTest);
};
TEST_F(ThirdPartyAuthenticatorTest, SuccessfulAuth) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators());
ASSERT_NO_FATAL_FAILURE(RunHostInitiatedAuthExchange());
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, client_->state());
ASSERT_NO_FATAL_FAILURE(token_fetcher_.OnTokenFetched(kToken, kSharedSecret));
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, host_->state());
ASSERT_NO_FATAL_FAILURE(token_validator_->OnTokenValidated(kSharedSecret));
// Both sides have finished.
ASSERT_EQ(Authenticator::ACCEPTED, host_->state());
ASSERT_EQ(Authenticator::ACCEPTED, client_->state());
// An authenticated channel can be created after the authentication.
client_auth_ = client_->CreateChannelAuthenticator();
host_auth_ = host_->CreateChannelAuthenticator();
RunChannelAuth(false);
StreamConnectionTester tester(host_socket_.get(), client_socket_.get(),
kMessageSize, kMessages);
tester.Start();
base::RunLoop().Run();
tester.CheckResults();
}
TEST_F(ThirdPartyAuthenticatorTest, ClientNoSecret) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators());
ASSERT_NO_FATAL_FAILURE(RunHostInitiatedAuthExchange());
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, client_->state());
ASSERT_NO_FATAL_FAILURE(token_fetcher_.OnTokenFetched(kToken, std::string()));
// The end result is that the client rejected the connection, since it
// couldn't fetch the secret.
ASSERT_EQ(Authenticator::REJECTED, client_->state());
}
TEST_F(ThirdPartyAuthenticatorTest, InvalidToken) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators());
ASSERT_NO_FATAL_FAILURE(RunHostInitiatedAuthExchange());
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, client_->state());
ASSERT_NO_FATAL_FAILURE(token_fetcher_.OnTokenFetched(
kToken, kSharedSecret));
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, host_->state());
ASSERT_NO_FATAL_FAILURE(token_validator_->OnTokenValidated(std::string()));
// The end result is that the host rejected the token.
ASSERT_EQ(Authenticator::REJECTED, host_->state());
}
TEST_F(ThirdPartyAuthenticatorTest, CannotFetchToken) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators());
ASSERT_NO_FATAL_FAILURE(RunHostInitiatedAuthExchange());
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, client_->state());
ASSERT_NO_FATAL_FAILURE(
token_fetcher_.OnTokenFetched(std::string(), std::string()));
// The end result is that the client rejected the connection, since it
// couldn't fetch the token.
ASSERT_EQ(Authenticator::REJECTED, client_->state());
}
// Test that negotiation stops when the fake authentication is rejected.
TEST_F(ThirdPartyAuthenticatorTest, HostBadSecret) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators());
ASSERT_NO_FATAL_FAILURE(RunHostInitiatedAuthExchange());
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, client_->state());
ASSERT_NO_FATAL_FAILURE(token_fetcher_.OnTokenFetched(kToken, kSharedSecret));
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, host_->state());
ASSERT_NO_FATAL_FAILURE(
token_validator_->OnTokenValidated(kSharedSecretBad));
// The end result is that the host rejected the fake authentication.
ASSERT_EQ(Authenticator::REJECTED, client_->state());
}
TEST_F(ThirdPartyAuthenticatorTest, ClientBadSecret) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators());
ASSERT_NO_FATAL_FAILURE(RunHostInitiatedAuthExchange());
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, client_->state());
ASSERT_NO_FATAL_FAILURE(
token_fetcher_.OnTokenFetched(kToken, kSharedSecretBad));
ASSERT_EQ(Authenticator::PROCESSING_MESSAGE, host_->state());
ASSERT_NO_FATAL_FAILURE(
token_validator_->OnTokenValidated(kSharedSecret));
// The end result is that the host rejected the fake authentication.
ASSERT_EQ(Authenticator::REJECTED, client_->state());
}
} // namespace protocol
} // namespace remoting
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