| /* |
| * |
| * 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 <stdio.h> |
| #include <string.h> |
| |
| #include "src/core/lib/iomgr/load_file.h" |
| #include "src/core/lib/security/credentials/jwt/jwt_credentials.h" |
| |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/cmdline.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/slice.h> |
| |
| void create_jwt(const char *json_key_file_path, const char *service_url, |
| const char *scope) { |
| grpc_auth_json_key key; |
| char *jwt; |
| gpr_slice json_key_data; |
| GPR_ASSERT(GRPC_LOG_IF_ERROR( |
| "load_file", grpc_load_file(json_key_file_path, 1, &json_key_data))); |
| key = grpc_auth_json_key_create_from_string( |
| (const char *)GPR_SLICE_START_PTR(json_key_data)); |
| gpr_slice_unref(json_key_data); |
| if (!grpc_auth_json_key_is_valid(&key)) { |
| fprintf(stderr, "Could not parse json key.\n"); |
| exit(1); |
| } |
| jwt = grpc_jwt_encode_and_sign( |
| &key, service_url == NULL ? GRPC_JWT_OAUTH2_AUDIENCE : service_url, |
| grpc_max_auth_token_lifetime(), scope); |
| grpc_auth_json_key_destruct(&key); |
| if (jwt == NULL) { |
| fprintf(stderr, "Could not create JWT.\n"); |
| exit(1); |
| } |
| fprintf(stdout, "%s\n", jwt); |
| gpr_free(jwt); |
| } |
| |
| int main(int argc, char **argv) { |
| char *scope = NULL; |
| char *json_key_file_path = NULL; |
| char *service_url = NULL; |
| gpr_cmdline *cl = gpr_cmdline_create("create_jwt"); |
| gpr_cmdline_add_string(cl, "json_key", "File path of the json key.", |
| &json_key_file_path); |
| gpr_cmdline_add_string(cl, "scope", |
| "OPTIONAL Space delimited permissions. Mutually " |
| "exclusive with service_url", |
| &scope); |
| gpr_cmdline_add_string(cl, "service_url", |
| "OPTIONAL service URL. Mutually exclusive with scope.", |
| &service_url); |
| gpr_cmdline_parse(cl, argc, argv); |
| |
| if (json_key_file_path == NULL) { |
| fprintf(stderr, "Missing --json_key option.\n"); |
| exit(1); |
| } |
| if (scope != NULL) { |
| if (service_url != NULL) { |
| fprintf(stderr, |
| "Options --scope and --service_url are mutually exclusive.\n"); |
| exit(1); |
| } |
| } else if (service_url == NULL) { |
| fprintf(stderr, "Need one of --service_url or --scope options.\n"); |
| exit(1); |
| } |
| |
| create_jwt(json_key_file_path, service_url, scope); |
| |
| gpr_cmdline_destroy(cl); |
| return 0; |
| } |