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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "test/cpp/interop/client_helper.h"
#include <fstream>
#include <memory>
#include <sstream>
#include <gflags/gflags.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpcpp/channel.h>
#include <grpcpp/create_channel.h>
#include <grpcpp/security/credentials.h>
#include "src/cpp/client/secure_credentials.h"
#include "test/core/security/oauth2_utils.h"
#include "test/cpp/util/create_test_channel.h"
#include "test/cpp/util/test_credentials_provider.h"
DECLARE_bool(use_alts);
DECLARE_bool(use_tls);
DECLARE_string(custom_credentials_type);
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;
}
void UpdateActions(
std::unordered_map<grpc::string, std::function<bool()>>* actions) {}
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") {
creds = FLAGS_custom_credentials_type == "google_default_credentials"
? nullptr
: GoogleComputeEngineCredentials();
} else if (test_case == "jwt_token_creds") {
grpc::string json_key = GetServiceAccountJsonKey();
std::chrono::seconds token_lifetime = std::chrono::hours(1);
creds = FLAGS_custom_credentials_type == "google_default_credentials"
? nullptr
: ServiceAccountJWTAccessCredentials(json_key,
token_lifetime.count());
} else if (test_case == "oauth2_auth_token") {
creds = FLAGS_custom_credentials_type == "google_default_credentials"
? nullptr
: AccessTokenCredentials(GetOauth2AccessToken());
}
if (FLAGS_custom_credentials_type.empty()) {
transport_security security_type =
FLAGS_use_alts ? ALTS : (FLAGS_use_tls ? TLS : INSECURE);
return CreateTestChannel(host_port, FLAGS_server_host_override,
security_type, !FLAGS_use_test_ca, creds);
} else {
return CreateTestChannel(host_port, FLAGS_custom_credentials_type, creds);
}
}
} // namespace testing
} // namespace grpc
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