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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "test/cpp/interop/client_helper.h"
#include <unistd.h>
#include <fstream>
#include <memory>
#include <sstream>
#include <gflags/gflags.h>
#include <grpc++/channel.h>
#include <grpc++/create_channel.h>
#include <grpc++/security/credentials.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include "src/cpp/client/secure_credentials.h"
#include "test/core/security/oauth2_utils.h"
#include "test/cpp/util/create_test_channel.h"
DECLARE_bool(use_tls);
DECLARE_bool(use_test_ca);
DECLARE_int32(server_port);
DECLARE_string(server_host);
DECLARE_string(server_host_override);
DECLARE_string(test_case);
DECLARE_string(default_service_account);
DECLARE_string(service_account_key_file);
DECLARE_string(oauth_scope);
namespace grpc {
namespace testing {
grpc::string GetServiceAccountJsonKey() {
static grpc::string json_key;
if (json_key.empty()) {
std::ifstream json_key_file(FLAGS_service_account_key_file);
std::stringstream key_stream;
key_stream << json_key_file.rdbuf();
json_key = key_stream.str();
}
return json_key;
}
grpc::string GetOauth2AccessToken() {
std::shared_ptr<CallCredentials> creds = GoogleComputeEngineCredentials();
SecureCallCredentials* secure_creds =
dynamic_cast<SecureCallCredentials*>(creds.get());
GPR_ASSERT(secure_creds != nullptr);
grpc_call_credentials* c_creds = secure_creds->GetRawCreds();
char* token = grpc_test_fetch_oauth2_token_with_credentials(c_creds);
GPR_ASSERT(token != nullptr);
gpr_log(GPR_INFO, "Get raw oauth2 access token: %s", token);
grpc::string access_token(token + sizeof("Bearer ") - 1);
gpr_free(token);
return access_token;
}
std::shared_ptr<Channel> CreateChannelForTestCase(
const grpc::string& test_case) {
GPR_ASSERT(FLAGS_server_port);
const int host_port_buf_size = 1024;
char host_port[host_port_buf_size];
snprintf(host_port, host_port_buf_size, "%s:%d", FLAGS_server_host.c_str(),
FLAGS_server_port);
std::shared_ptr<CallCredentials> creds;
if (test_case == "compute_engine_creds") {
GPR_ASSERT(FLAGS_use_tls);
creds = GoogleComputeEngineCredentials();
GPR_ASSERT(creds);
} else if (test_case == "jwt_token_creds") {
GPR_ASSERT(FLAGS_use_tls);
grpc::string json_key = GetServiceAccountJsonKey();
std::chrono::seconds token_lifetime = std::chrono::hours(1);
creds =
ServiceAccountJWTAccessCredentials(json_key, token_lifetime.count());
GPR_ASSERT(creds);
} else if (test_case == "oauth2_auth_token") {
grpc::string raw_token = GetOauth2AccessToken();
creds = AccessTokenCredentials(raw_token);
GPR_ASSERT(creds);
}
return CreateTestChannel(host_port, FLAGS_server_host_override, FLAGS_use_tls,
!FLAGS_use_test_ca, creds);
}
} // namespace testing
} // namespace grpc
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