| /* |
| * |
| * 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_mdelem_array_destroy(exec_ctx, &c->md_array); |
| } |
| |
| static bool iam_get_request_metadata(grpc_exec_ctx *exec_ctx, |
| 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 = (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_exec_ctx *exec_ctx, 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_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| 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); |
| grpc_google_iam_credentials *c = 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( |
| &exec_ctx, |
| 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(&exec_ctx, md); |
| md = grpc_mdelem_from_slices( |
| &exec_ctx, |
| 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(&exec_ctx, md); |
| grpc_exec_ctx_finish(&exec_ctx); |
| return &c->base; |
| } |