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/*
*
* Copyright 2016 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 <grpc/support/port_platform.h>
#include "src/core/lib/security/credentials/iam/iam_credentials.h"
#include <string.h>
#include "src/core/lib/surface/api_trace.h"
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include <grpc/support/sync.h>
static void iam_destruct(grpc_call_credentials* creds) {
grpc_google_iam_credentials* c =
reinterpret_cast<grpc_google_iam_credentials*>(creds);
grpc_credentials_mdelem_array_destroy(&c->md_array);
}
static bool iam_get_request_metadata(grpc_call_credentials* creds,
grpc_polling_entity* pollent,
grpc_auth_metadata_context context,
grpc_credentials_mdelem_array* md_array,
grpc_closure* on_request_metadata,
grpc_error** error) {
grpc_google_iam_credentials* c =
reinterpret_cast<grpc_google_iam_credentials*>(creds);
grpc_credentials_mdelem_array_append(md_array, &c->md_array);
return true;
}
static void iam_cancel_get_request_metadata(
grpc_call_credentials* c, grpc_credentials_mdelem_array* md_array,
grpc_error* error) {
GRPC_ERROR_UNREF(error);
}
static grpc_call_credentials_vtable iam_vtable = {
iam_destruct, iam_get_request_metadata, iam_cancel_get_request_metadata};
grpc_call_credentials* grpc_google_iam_credentials_create(
const char* token, const char* authority_selector, void* reserved) {
grpc_core::ExecCtx exec_ctx;
GRPC_API_TRACE(
"grpc_iam_credentials_create(token=%s, authority_selector=%s, "
"reserved=%p)",
3, (token, authority_selector, reserved));
GPR_ASSERT(reserved == nullptr);
GPR_ASSERT(token != nullptr);
GPR_ASSERT(authority_selector != nullptr);
grpc_google_iam_credentials* c =
static_cast<grpc_google_iam_credentials*>(gpr_zalloc(sizeof(*c)));
c->base.type = GRPC_CALL_CREDENTIALS_TYPE_IAM;
c->base.vtable = &iam_vtable;
gpr_ref_init(&c->base.refcount, 1);
grpc_mdelem md = grpc_mdelem_from_slices(
grpc_slice_from_static_string(GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY),
grpc_slice_from_copied_string(token));
grpc_credentials_mdelem_array_add(&c->md_array, md);
GRPC_MDELEM_UNREF(md);
md = grpc_mdelem_from_slices(
grpc_slice_from_static_string(GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY),
grpc_slice_from_copied_string(authority_selector));
grpc_credentials_mdelem_array_add(&c->md_array, md);
GRPC_MDELEM_UNREF(md);
return &c->base;
}
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