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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 "absl/flags/declare.h"
#include "absl/flags/flag.h"
#include "absl/strings/match.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/core/lib/slice/b64.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"
ABSL_DECLARE_FLAG(bool, use_alts);
ABSL_DECLARE_FLAG(bool, use_tls);
ABSL_DECLARE_FLAG(std::string, custom_credentials_type);
ABSL_DECLARE_FLAG(bool, use_test_ca);
ABSL_DECLARE_FLAG(int32_t, server_port);
ABSL_DECLARE_FLAG(std::string, server_host);
ABSL_DECLARE_FLAG(std::string, server_host_override);
ABSL_DECLARE_FLAG(std::string, test_case);
ABSL_DECLARE_FLAG(std::string, default_service_account);
ABSL_DECLARE_FLAG(std::string, service_account_key_file);
ABSL_DECLARE_FLAG(std::string, oauth_scope);
namespace grpc {
namespace testing {
std::string GetServiceAccountJsonKey() {
static std::string json_key;
if (json_key.empty()) {
std::ifstream json_key_file(absl::GetFlag(FLAGS_service_account_key_file));
std::stringstream key_stream;
key_stream << json_key_file.rdbuf();
json_key = key_stream.str();
}
return json_key;
}
std::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);
std::string access_token(token + sizeof("Bearer ") - 1);
gpr_free(token);
return access_token;
}
void UpdateActions(
std::unordered_map<std::string, std::function<bool()>>* /*actions*/) {}
std::shared_ptr<Channel> CreateChannelForTestCase(
const std::string& test_case,
std::vector<
std::unique_ptr<experimental::ClientInterceptorFactoryInterface>>
interceptor_creators) {
std::string server_uri = absl::GetFlag(FLAGS_server_host);
int32_t port = absl::GetFlag(FLAGS_server_port);
if (port != 0) {
absl::StrAppend(&server_uri, ":", std::to_string(port));
}
std::shared_ptr<CallCredentials> creds;
if (test_case == "compute_engine_creds") {
creds = absl::GetFlag(FLAGS_custom_credentials_type) ==
"google_default_credentials"
? nullptr
: GoogleComputeEngineCredentials();
} else if (test_case == "jwt_token_creds") {
std::string json_key = GetServiceAccountJsonKey();
std::chrono::seconds token_lifetime = std::chrono::hours(1);
creds = absl::GetFlag(FLAGS_custom_credentials_type) ==
"google_default_credentials"
? nullptr
: ServiceAccountJWTAccessCredentials(json_key,
token_lifetime.count());
} else if (test_case == "oauth2_auth_token") {
creds = absl::GetFlag(FLAGS_custom_credentials_type) ==
"google_default_credentials"
? nullptr
: AccessTokenCredentials(GetOauth2AccessToken());
} else if (test_case == "pick_first_unary") {
ChannelArguments channel_args;
// allow the LB policy to be configured with service config
channel_args.SetInt(GRPC_ARG_SERVICE_CONFIG_DISABLE_RESOLUTION, 0);
return CreateTestChannel(
server_uri, absl::GetFlag(FLAGS_custom_credentials_type),
absl::GetFlag(FLAGS_server_host_override),
!absl::GetFlag(FLAGS_use_test_ca), creds, channel_args);
}
if (absl::GetFlag(FLAGS_custom_credentials_type).empty()) {
transport_security security_type =
absl::GetFlag(FLAGS_use_alts)
? ALTS
: (absl::GetFlag(FLAGS_use_tls) ? TLS : INSECURE);
return CreateTestChannel(server_uri,
absl::GetFlag(FLAGS_server_host_override),
security_type, !absl::GetFlag(FLAGS_use_test_ca),
creds, std::move(interceptor_creators));
} else {
if (interceptor_creators.empty()) {
return CreateTestChannel(
server_uri, absl::GetFlag(FLAGS_custom_credentials_type), creds);
} else {
return CreateTestChannel(server_uri,
absl::GetFlag(FLAGS_custom_credentials_type),
creds, std::move(interceptor_creators));
}
}
}
static void log_metadata_entry(const std::string& prefix,
const grpc::string_ref& key,
const grpc::string_ref& value) {
auto key_str = std::string(key.begin(), key.end());
auto value_str = std::string(value.begin(), value.end());
if (absl::EndsWith(key_str, "-bin")) {
auto converted =
grpc_base64_encode(value_str.c_str(), value_str.length(), 0, 0);
value_str = std::string(converted);
gpr_free(converted);
}
gpr_log(GPR_ERROR, "%s %s: %s", prefix.c_str(), key_str.c_str(),
value_str.c_str());
}
void MetadataAndStatusLoggerInterceptor::Intercept(
experimental::InterceptorBatchMethods* methods) {
if (methods->QueryInterceptionHookPoint(
experimental::InterceptionHookPoints::POST_RECV_INITIAL_METADATA)) {
auto initial_metadata = methods->GetRecvInitialMetadata();
for (const auto& entry : *initial_metadata) {
log_metadata_entry("GRPC_INITIAL_METADATA", entry.first, entry.second);
}
}
if (methods->QueryInterceptionHookPoint(
experimental::InterceptionHookPoints::POST_RECV_STATUS)) {
auto trailing_metadata = methods->GetRecvTrailingMetadata();
for (const auto& entry : *trailing_metadata) {
log_metadata_entry("GRPC_TRAILING_METADATA", entry.first, entry.second);
}
auto status = methods->GetRecvStatus();
gpr_log(GPR_ERROR, "GRPC_STATUS %d", status->error_code());
gpr_log(GPR_ERROR, "GRPC_ERROR_MESSAGE %s",
status->error_message().c_str());
}
methods->Proceed();
}
} // namespace testing
} // namespace grpc
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