| /* |
| * |
| * 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 <grpc/support/port_platform.h> |
| |
| #include "src/core/lib/security/util/json_util.h" |
| |
| #include <string.h> |
| |
| #include <grpc/support/log.h> |
| #include <grpc/support/string_util.h> |
| |
| const char* grpc_json_get_string_property(const grpc_json* json, |
| const char* prop_name) { |
| grpc_json* child; |
| for (child = json->child; child != nullptr; child = child->next) { |
| if (child->key == nullptr) { |
| gpr_log(GPR_ERROR, "Invalid (null) JSON key encountered"); |
| return nullptr; |
| } |
| if (strcmp(child->key, prop_name) == 0) break; |
| } |
| if (child == nullptr || child->type != GRPC_JSON_STRING) { |
| gpr_log(GPR_ERROR, "Invalid or missing %s property.", prop_name); |
| return nullptr; |
| } |
| return child->value; |
| } |
| |
| bool grpc_copy_json_string_property(const grpc_json* json, |
| const char* prop_name, |
| char** copied_value) { |
| const char* prop_value = grpc_json_get_string_property(json, prop_name); |
| if (prop_value == nullptr) return false; |
| *copied_value = gpr_strdup(prop_value); |
| return true; |
| } |