/* * * 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/core/security/oauth2_utils.h" #include #include #include #include #include #include #include #include #include "src/core/lib/iomgr/exec_ctx.h" #include "src/core/lib/promise/exec_ctx_wakeup_scheduler.h" #include "src/core/lib/promise/map.h" #include "src/core/lib/resource_quota/resource_quota.h" #include "src/core/lib/security/context/security_context.h" #include "src/core/lib/security/credentials/credentials.h" static auto* g_memory_allocator = new grpc_core::MemoryAllocator( grpc_core::ResourceQuota::Default()->memory_quota()->CreateMemoryAllocator( "test")); char* grpc_test_fetch_oauth2_token_with_credentials( grpc_call_credentials* creds) { grpc_core::ExecCtx exec_ctx; grpc_call_credentials::GetRequestMetadataArgs get_request_metadata_args; grpc_pollset* pollset = static_cast(gpr_zalloc(grpc_pollset_size())); gpr_mu* mu = nullptr; grpc_pollset_init(pollset, &mu); auto pops = grpc_polling_entity_create_from_pollset(pollset); bool is_done = false; auto arena = grpc_core::MakeScopedArena(1024, g_memory_allocator); grpc_metadata_batch initial_metadata{arena.get()}; char* token = nullptr; auto activity = grpc_core::MakeActivity( [creds, &initial_metadata, &get_request_metadata_args]() { return grpc_core::Map( creds->GetRequestMetadata( grpc_core::ClientMetadataHandle( &initial_metadata, grpc_core::Arena::PooledDeleter(nullptr)), &get_request_metadata_args), [](const absl::StatusOr& s) { return s.status(); }); }, grpc_core::ExecCtxWakeupScheduler(), [&is_done, &token, &initial_metadata](absl::Status result) { is_done = true; if (!result.ok()) { gpr_log(GPR_ERROR, "Fetching token failed: %s", result.ToString().c_str()); } else { std::string buffer; token = gpr_strdup( std::string( initial_metadata .GetStringValue(GRPC_AUTHORIZATION_METADATA_KEY, &buffer) .value_or("")) .c_str()); } }, arena.get(), &pops); grpc_core::ExecCtx::Get()->Flush(); gpr_mu_lock(mu); while (!is_done) { grpc_pollset_worker* worker = nullptr; if (!GRPC_LOG_IF_ERROR( "pollset_work", grpc_pollset_work(grpc_polling_entity_pollset(&pops), &worker, grpc_core::Timestamp::InfFuture()))) { is_done = true; } } gpr_mu_unlock(mu); grpc_pollset_shutdown( grpc_polling_entity_pollset(&pops), GRPC_CLOSURE_CREATE([](void*, grpc_error_handle) {}, nullptr, nullptr)); grpc_core::ExecCtx::Get()->Flush(); grpc_pollset_destroy(grpc_polling_entity_pollset(&pops)); gpr_free(pollset); return token; }