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_SRC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_URL_EXTERNAL_ACCOUNT_CREDENTIALS_H 18 #define GRPC_SRC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_URL_EXTERNAL_ACCOUNT_CREDENTIALS_H 19 20 #include <grpc/support/port_platform.h> 21 22 #include <functional> 23 #include <map> 24 #include <string> 25 #include <vector> 26 27 #include "absl/strings/string_view.h" 28 #include "src/core/lib/iomgr/error.h" 29 #include "src/core/lib/security/credentials/external/external_account_credentials.h" 30 #include "src/core/util/http_client/httpcli.h" 31 #include "src/core/util/orphanable.h" 32 #include "src/core/util/ref_counted_ptr.h" 33 #include "src/core/util/uri.h" 34 35 namespace grpc_core { 36 37 class UrlExternalAccountCredentials final : public ExternalAccountCredentials { 38 public: 39 static absl::StatusOr<RefCountedPtr<UrlExternalAccountCredentials>> Create( 40 Options options, std::vector<std::string> scopes, 41 std::shared_ptr<grpc_event_engine::experimental::EventEngine> 42 event_engine = nullptr); 43 44 UrlExternalAccountCredentials( 45 Options options, std::vector<std::string> scopes, 46 std::shared_ptr<grpc_event_engine::experimental::EventEngine> 47 event_engine, 48 grpc_error_handle* error); 49 50 std::string debug_string() override; 51 52 static UniqueTypeName Type(); 53 type()54 UniqueTypeName type() const override { return Type(); } 55 56 private: 57 OrphanablePtr<FetchBody> RetrieveSubjectToken( 58 Timestamp deadline, 59 absl::AnyInvocable<void(absl::StatusOr<std::string>)> on_done) override; 60 61 absl::string_view CredentialSourceType() override; 62 63 // Fields of credential source 64 URI url_; 65 std::string url_full_path_; 66 std::map<std::string, std::string> headers_; 67 std::string format_type_; 68 std::string format_subject_token_field_name_; 69 }; 70 71 } // namespace grpc_core 72 73 #endif // GRPC_SRC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_URL_EXTERNAL_ACCOUNT_CREDENTIALS_H 74