legacy-libs/grpc-cloned/deps/grpc/src/core/lib/security/credentials/iam/iam_credentials.cc

   1 /*
   2  *
   3  * Copyright 2016 gRPC authors.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  */
  18
  19 #include <grpc/support/port_platform.h>
  20
  21 #include "src/core/lib/security/credentials/iam/iam_credentials.h"
  22
  23 #include <string.h>
  24
  25 #include "src/core/lib/gprpp/ref_counted_ptr.h"
  26 #include "src/core/lib/surface/api_trace.h"
  27
  28 #include <grpc/support/alloc.h>
  29 #include <grpc/support/log.h>
  30 #include <grpc/support/string_util.h>
  31 #include <grpc/support/sync.h>
  32
  33 grpc_google_iam_credentials::~grpc_google_iam_credentials() {
  34   grpc_credentials_mdelem_array_destroy(&md_array_);
  35 }
  36
  37 bool grpc_google_iam_credentials::get_request_metadata(
  38     grpc_polling_entity* pollent, grpc_auth_metadata_context context,
  39     grpc_credentials_mdelem_array* md_array, grpc_closure* on_request_metadata,
  40     grpc_error** error) {
  41   grpc_credentials_mdelem_array_append(md_array, &md_array_);
  42   return true;
  43 }
  44
  45 void grpc_google_iam_credentials::cancel_get_request_metadata(
  46     grpc_credentials_mdelem_array* md_array, grpc_error* error) {
  47   GRPC_ERROR_UNREF(error);
  48 }
  49
  50 grpc_google_iam_credentials::grpc_google_iam_credentials(
  51     const char* token, const char* authority_selector)
  52     : grpc_call_credentials(GRPC_CALL_CREDENTIALS_TYPE_IAM) {
  53   grpc_mdelem md = grpc_mdelem_from_slices(
  54       grpc_slice_from_static_string(GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY),
  55       grpc_slice_from_copied_string(token));
  56   grpc_credentials_mdelem_array_add(&md_array_, md);
  57   GRPC_MDELEM_UNREF(md);
  58   md = grpc_mdelem_from_slices(
  59       grpc_slice_from_static_string(GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY),
  60       grpc_slice_from_copied_string(authority_selector));
  61   grpc_credentials_mdelem_array_add(&md_array_, md);
  62   GRPC_MDELEM_UNREF(md);
  63 }
  64
  65 grpc_call_credentials* grpc_google_iam_credentials_create(
  66     const char* token, const char* authority_selector, void* reserved) {
  67   grpc_core::ExecCtx exec_ctx;
  68   GRPC_API_TRACE(
  69       "grpc_iam_credentials_create(token=%s, authority_selector=%s, "
  70       "reserved=%p)",
  71       3, (token, authority_selector, reserved));
  72   GPR_ASSERT(reserved == nullptr);
  73   GPR_ASSERT(token != nullptr);
  74   GPR_ASSERT(authority_selector != nullptr);
  75   return grpc_core::MakeRefCounted<grpc_google_iam_credentials>(
  76              token, authority_selector)
  77       .release();
  78 }