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/*
*
* 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 <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/string_util.h>
#include <grpc/support/sync.h>
#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<grpc_pollset*>(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<grpc_core::ClientMetadataHandle>& 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;
}
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