1 // 2 // Copyright 2020 gRPC authors. 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_URL_EXTERNAL_ACCOUNT_CREDENTIALS_H 18 #define GRPC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_URL_EXTERNAL_ACCOUNT_CREDENTIALS_H 19 20 #include <grpc/support/port_platform.h> 21 22 #include "src/core/lib/security/credentials/external/external_account_credentials.h" 23 24 namespace grpc_core { 25 26 class UrlExternalAccountCredentials final : public ExternalAccountCredentials { 27 public: 28 static RefCountedPtr<UrlExternalAccountCredentials> Create( 29 Options options, std::vector<std::string> scopes, grpc_error** error); 30 31 UrlExternalAccountCredentials(Options options, 32 std::vector<std::string> scopes, 33 grpc_error** error); 34 35 private: 36 void RetrieveSubjectToken( 37 HTTPRequestContext* ctx, const Options& options, 38 std::function<void(std::string, grpc_error*)> cb) override; 39 40 static void OnRetrieveSubjectToken(void* arg, grpc_error* error); 41 void OnRetrieveSubjectTokenInternal(grpc_error* error); 42 43 void FinishRetrieveSubjectToken(std::string subject_token, grpc_error* error); 44 45 // Fields of credential source 46 URI url_; 47 std::string url_full_path_; 48 std::map<std::string, std::string> headers_; 49 std::string format_type_; 50 std::string format_subject_token_field_name_; 51 52 HTTPRequestContext* ctx_ = nullptr; 53 std::function<void(std::string, grpc_error*)> cb_ = nullptr; 54 }; 55 56 } // namespace grpc_core 57 58 #endif // GRPC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_URL_EXTERNAL_ACCOUNT_CREDENTIALS_H 59