| /* |
| * |
| * 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 <stdio.h> |
| #include <string.h> |
| |
| #include <grpc/grpc.h> |
| #include <grpc/grpc_security.h> |
| #include <grpc/slice.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/cmdline.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/sync.h> |
| |
| #include "src/core/lib/iomgr/load_file.h" |
| #include "src/core/lib/security/credentials/credentials.h" |
| #include "test/core/security/oauth2_utils.h" |
| |
| static grpc_call_credentials* create_refresh_token_creds( |
| const char* json_refresh_token_file_path) { |
| grpc_slice refresh_token; |
| GPR_ASSERT(GRPC_LOG_IF_ERROR( |
| "load_file", |
| grpc_load_file(json_refresh_token_file_path, 1, &refresh_token))); |
| return grpc_google_refresh_token_credentials_create( |
| (const char*)GRPC_SLICE_START_PTR(refresh_token), nullptr); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc_call_credentials* creds = nullptr; |
| char* json_key_file_path = nullptr; |
| const char* json_refresh_token_file_path = nullptr; |
| char* token = nullptr; |
| int use_gce = 0; |
| char* scope = nullptr; |
| gpr_cmdline* cl = gpr_cmdline_create("fetch_oauth2"); |
| gpr_cmdline_add_string(cl, "json_refresh_token", |
| "File path of the json refresh token.", |
| &json_refresh_token_file_path); |
| gpr_cmdline_add_flag( |
| cl, "gce", |
| "Get a token from the GCE metadata server (only works in GCE).", |
| &use_gce); |
| gpr_cmdline_parse(cl, argc, argv); |
| |
| grpc_init(); |
| |
| if (json_key_file_path != nullptr && |
| json_refresh_token_file_path != nullptr) { |
| gpr_log(GPR_ERROR, |
| "--json_key and --json_refresh_token are mutually exclusive."); |
| exit(1); |
| } |
| |
| if (use_gce) { |
| if (json_key_file_path != nullptr || scope != nullptr) { |
| gpr_log(GPR_INFO, |
| "Ignoring json key and scope to get a token from the GCE " |
| "metadata server."); |
| } |
| creds = grpc_google_compute_engine_credentials_create(nullptr); |
| if (creds == nullptr) { |
| gpr_log(GPR_ERROR, "Could not create gce credentials."); |
| exit(1); |
| } |
| } else if (json_refresh_token_file_path != nullptr) { |
| creds = create_refresh_token_creds(json_refresh_token_file_path); |
| if (creds == nullptr) { |
| gpr_log(GPR_ERROR, |
| "Could not create refresh token creds. %s does probably not " |
| "contain a valid json refresh token.", |
| json_refresh_token_file_path); |
| exit(1); |
| } |
| } else { |
| gpr_log(GPR_ERROR, "Missing --gce or --json_refresh_token option."); |
| exit(1); |
| } |
| GPR_ASSERT(creds != nullptr); |
| |
| token = grpc_test_fetch_oauth2_token_with_credentials(creds); |
| if (token != nullptr) { |
| printf("Got token: %s.\n", token); |
| gpr_free(token); |
| } |
| grpc_call_credentials_release(creds); |
| gpr_cmdline_destroy(cl); |
| grpc_shutdown(); |
| return 0; |
| } |