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/*
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*
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* Copyright 2015 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#include "test/core/security/oauth2_utils.h"
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#include <string.h>
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#include <grpc/grpc.h>
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#include <grpc/grpc_security.h>
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#include <grpc/slice.h>
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#include <grpc/support/alloc.h>
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#include <grpc/support/log.h>
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#include <grpc/support/string_util.h>
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#include <grpc/support/sync.h>
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#include "src/core/lib/iomgr/exec_ctx.h"
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#include "src/core/lib/promise/exec_ctx_wakeup_scheduler.h"
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#include "src/core/lib/promise/map.h"
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#include "src/core/lib/resource_quota/resource_quota.h"
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#include "src/core/lib/security/context/security_context.h"
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#include "src/core/lib/security/credentials/credentials.h"
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static auto* g_memory_allocator = new grpc_core::MemoryAllocator(
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grpc_core::ResourceQuota::Default()->memory_quota()->CreateMemoryAllocator(
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"test"));
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char* grpc_test_fetch_oauth2_token_with_credentials(
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grpc_call_credentials* creds) {
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grpc_core::ExecCtx exec_ctx;
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grpc_call_credentials::GetRequestMetadataArgs get_request_metadata_args;
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grpc_pollset* pollset =
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static_cast<grpc_pollset*>(gpr_zalloc(grpc_pollset_size()));
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gpr_mu* mu = nullptr;
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grpc_pollset_init(pollset, &mu);
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auto pops = grpc_polling_entity_create_from_pollset(pollset);
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bool is_done = false;
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auto arena = grpc_core::MakeScopedArena(1024, g_memory_allocator);
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grpc_metadata_batch initial_metadata{arena.get()};
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char* token = nullptr;
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auto activity = grpc_core::MakeActivity(
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[creds, &initial_metadata, &get_request_metadata_args]() {
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return grpc_core::Map(
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creds->GetRequestMetadata(
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grpc_core::ClientMetadataHandle(
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&initial_metadata,
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grpc_core::Arena::PooledDeleter(nullptr)),
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&get_request_metadata_args),
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[](const absl::StatusOr<grpc_core::ClientMetadataHandle>& s) {
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return s.status();
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});
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},
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grpc_core::ExecCtxWakeupScheduler(),
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[&is_done, &token, &initial_metadata](absl::Status result) {
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is_done = true;
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if (!result.ok()) {
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gpr_log(GPR_ERROR, "Fetching token failed: %s",
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result.ToString().c_str());
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} else {
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std::string buffer;
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token = gpr_strdup(
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std::string(
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initial_metadata
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.GetStringValue(GRPC_AUTHORIZATION_METADATA_KEY, &buffer)
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.value_or(""))
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.c_str());
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}
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},
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arena.get(), &pops);
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grpc_core::ExecCtx::Get()->Flush();
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gpr_mu_lock(mu);
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while (!is_done) {
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grpc_pollset_worker* worker = nullptr;
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if (!GRPC_LOG_IF_ERROR(
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"pollset_work",
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grpc_pollset_work(grpc_polling_entity_pollset(&pops), &worker,
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grpc_core::Timestamp::InfFuture()))) {
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is_done = true;
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}
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}
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gpr_mu_unlock(mu);
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grpc_pollset_shutdown(
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grpc_polling_entity_pollset(&pops),
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GRPC_CLOSURE_CREATE([](void*, grpc_error_handle) {}, nullptr, nullptr));
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grpc_core::ExecCtx::Get()->Flush();
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grpc_pollset_destroy(grpc_polling_entity_pollset(&pops));
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gpr_free(pollset);
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return token;
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}
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