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, 30 grpc_error_handle* error); 31 32 UrlExternalAccountCredentials(Options options, 33 std::vector<std::string> scopes, 34 grpc_error_handle* error); 35 36 private: 37 void RetrieveSubjectToken( 38 HTTPRequestContext* ctx, const Options& options, 39 std::function<void(std::string, grpc_error_handle)> cb) override; 40 41 static void OnRetrieveSubjectToken(void* arg, grpc_error_handle error); 42 void OnRetrieveSubjectTokenInternal(grpc_error_handle error); 43 44 void FinishRetrieveSubjectToken(std::string subject_token, 45 grpc_error_handle error); 46 47 // Fields of credential source 48 URI url_; 49 std::string url_full_path_; 50 std::map<std::string, std::string> headers_; 51 std::string format_type_; 52 std::string format_subject_token_field_name_; 53 54 HTTPRequestContext* ctx_ = nullptr; 55 std::function<void(std::string, grpc_error_handle)> cb_ = nullptr; 56 }; 57 58 } // namespace grpc_core 59 60 #endif // GRPC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_URL_EXTERNAL_ACCOUNT_CREDENTIALS_H 61