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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 "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_exec_ctx *exec_ctx,
grpc_call_credentials *creds) {
grpc_google_iam_credentials *c = (grpc_google_iam_credentials *)creds;
grpc_credentials_md_store_unref(exec_ctx, c->iam_md);
}
static void iam_get_request_metadata(grpc_exec_ctx *exec_ctx,
grpc_call_credentials *creds,
grpc_polling_entity *pollent,
grpc_auth_metadata_context context,
grpc_credentials_metadata_cb cb,
void *user_data) {
grpc_google_iam_credentials *c = (grpc_google_iam_credentials *)creds;
cb(exec_ctx, user_data, c->iam_md->entries, c->iam_md->num_entries,
GRPC_CREDENTIALS_OK, NULL);
}
static grpc_call_credentials_vtable iam_vtable = {iam_destruct,
iam_get_request_metadata};
grpc_call_credentials *grpc_google_iam_credentials_create(
const char *token, const char *authority_selector, void *reserved) {
grpc_google_iam_credentials *c;
GRPC_API_TRACE(
"grpc_iam_credentials_create(token=%s, authority_selector=%s, "
"reserved=%p)",
3, (token, authority_selector, reserved));
GPR_ASSERT(reserved == NULL);
GPR_ASSERT(token != NULL);
GPR_ASSERT(authority_selector != NULL);
c = gpr_zalloc(sizeof(grpc_google_iam_credentials));
c->base.type = GRPC_CALL_CREDENTIALS_TYPE_IAM;
c->base.vtable = &iam_vtable;
gpr_ref_init(&c->base.refcount, 1);
c->iam_md = grpc_credentials_md_store_create(2);
grpc_credentials_md_store_add_cstrings(
c->iam_md, GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY, token);
grpc_credentials_md_store_add_cstrings(
c->iam_md, GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY, authority_selector);
return &c->base;
}
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