| /* |
| * |
| * 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/log.h> |
| #include <grpc/support/sync.h> |
| |
| #include "src/core/lib/security/credentials/jwt/jwt_verifier.h" |
| #include "test/core/util/cmdline.h" |
| |
| typedef struct { |
| grpc_pollset* pollset; |
| gpr_mu* mu; |
| int is_done; |
| int success; |
| } synchronizer; |
| |
| static void print_usage_and_exit(gpr_cmdline* cl, const char* argv0) { |
| char* usage = gpr_cmdline_usage_string(cl, argv0); |
| fprintf(stderr, "%s", usage); |
| fflush(stderr); |
| gpr_free(usage); |
| gpr_cmdline_destroy(cl); |
| exit(1); |
| } |
| |
| static void on_jwt_verification_done(void* user_data, |
| grpc_jwt_verifier_status status, |
| grpc_jwt_claims* claims) { |
| synchronizer* sync = static_cast<synchronizer*>(user_data); |
| |
| sync->success = (status == GRPC_JWT_VERIFIER_OK); |
| if (sync->success) { |
| char* claims_str; |
| GPR_ASSERT(claims != nullptr); |
| claims_str = |
| grpc_json_dump_to_string((grpc_json*)grpc_jwt_claims_json(claims), 2); |
| printf("Claims: \n\n%s\n", claims_str); |
| gpr_free(claims_str); |
| grpc_jwt_claims_destroy(claims); |
| } else { |
| GPR_ASSERT(claims == nullptr); |
| fprintf(stderr, "Verification failed with error %s\n", |
| grpc_jwt_verifier_status_to_string(status)); |
| fflush(stderr); |
| } |
| |
| gpr_mu_lock(sync->mu); |
| sync->is_done = 1; |
| GRPC_LOG_IF_ERROR("pollset_kick", grpc_pollset_kick(sync->pollset, nullptr)); |
| gpr_mu_unlock(sync->mu); |
| } |
| |
| int main(int argc, char** argv) { |
| synchronizer sync; |
| grpc_jwt_verifier* verifier; |
| gpr_cmdline* cl; |
| const char* jwt = nullptr; |
| const char* aud = nullptr; |
| grpc_core::ExecCtx exec_ctx; |
| |
| grpc_init(); |
| cl = gpr_cmdline_create("JWT verifier tool"); |
| gpr_cmdline_add_string(cl, "jwt", "JSON web token to verify", &jwt); |
| gpr_cmdline_add_string(cl, "aud", "Audience for the JWT", &aud); |
| gpr_cmdline_parse(cl, argc, argv); |
| if (jwt == nullptr || aud == nullptr) { |
| print_usage_and_exit(cl, argv[0]); |
| } |
| |
| verifier = grpc_jwt_verifier_create(nullptr, 0); |
| |
| grpc_init(); |
| |
| sync.pollset = static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size())); |
| grpc_pollset_init(sync.pollset, &sync.mu); |
| sync.is_done = 0; |
| |
| grpc_jwt_verifier_verify(verifier, sync.pollset, jwt, aud, |
| on_jwt_verification_done, &sync); |
| |
| gpr_mu_lock(sync.mu); |
| while (!sync.is_done) { |
| grpc_pollset_worker* worker = nullptr; |
| if (!GRPC_LOG_IF_ERROR( |
| "pollset_work", |
| grpc_pollset_work(sync.pollset, &worker, GRPC_MILLIS_INF_FUTURE))) |
| sync.is_done = true; |
| gpr_mu_unlock(sync.mu); |
| grpc_core::ExecCtx::Get()->Flush(); |
| gpr_mu_lock(sync.mu); |
| } |
| gpr_mu_unlock(sync.mu); |
| |
| gpr_free(sync.pollset); |
| |
| grpc_jwt_verifier_destroy(verifier); |
| |
| gpr_cmdline_destroy(cl); |
| grpc_shutdown(); |
| return !sync.success; |
| } |