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 #ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_GOOGLE_DEFAULT_GOOGLE_DEFAULT_CREDENTIALS_H 20 #define GRPC_CORE_LIB_SECURITY_CREDENTIALS_GOOGLE_DEFAULT_GOOGLE_DEFAULT_CREDENTIALS_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include "src/core/lib/gprpp/ref_counted_ptr.h" 25 #include "src/core/lib/security/credentials/credentials.h" 26 27 #define GRPC_GOOGLE_CLOUD_SDK_CONFIG_DIRECTORY "gcloud" 28 #define GRPC_GOOGLE_WELL_KNOWN_CREDENTIALS_FILE \ 29 "application_default_credentials.json" 30 31 #ifdef GPR_WINDOWS 32 #define GRPC_GOOGLE_CREDENTIALS_PATH_ENV_VAR "APPDATA" 33 #define GRPC_GOOGLE_CREDENTIALS_PATH_SUFFIX \ 34 GRPC_GOOGLE_CLOUD_SDK_CONFIG_DIRECTORY \ 35 "/" GRPC_GOOGLE_WELL_KNOWN_CREDENTIALS_FILE 36 #else 37 #define GRPC_GOOGLE_CREDENTIALS_PATH_ENV_VAR "HOME" 38 #define GRPC_GOOGLE_CREDENTIALS_PATH_SUFFIX \ 39 ".config/" GRPC_GOOGLE_CLOUD_SDK_CONFIG_DIRECTORY \ 40 "/" GRPC_GOOGLE_WELL_KNOWN_CREDENTIALS_FILE 41 #endif 42 43 class grpc_google_default_channel_credentials 44 : public grpc_channel_credentials { 45 public: grpc_google_default_channel_credentials(grpc_core::RefCountedPtr<grpc_channel_credentials> alts_creds,grpc_core::RefCountedPtr<grpc_channel_credentials> ssl_creds)46 grpc_google_default_channel_credentials( 47 grpc_core::RefCountedPtr<grpc_channel_credentials> alts_creds, 48 grpc_core::RefCountedPtr<grpc_channel_credentials> ssl_creds) 49 : grpc_channel_credentials(GRPC_CHANNEL_CREDENTIALS_TYPE_GOOGLE_DEFAULT), 50 alts_creds_(std::move(alts_creds)), 51 ssl_creds_(std::move(ssl_creds)) {} 52 53 ~grpc_google_default_channel_credentials() override = default; 54 55 grpc_core::RefCountedPtr<grpc_channel_security_connector> 56 create_security_connector( 57 grpc_core::RefCountedPtr<grpc_call_credentials> call_creds, 58 const char* target, const grpc_channel_args* args, 59 grpc_channel_args** new_args) override; 60 61 grpc_channel_args* update_arguments(grpc_channel_args* args) override; 62 alts_creds()63 const grpc_channel_credentials* alts_creds() const { 64 return alts_creds_.get(); 65 } ssl_creds()66 const grpc_channel_credentials* ssl_creds() const { return ssl_creds_.get(); } 67 68 private: 69 grpc_core::RefCountedPtr<grpc_channel_credentials> alts_creds_; 70 grpc_core::RefCountedPtr<grpc_channel_credentials> ssl_creds_; 71 }; 72 73 namespace grpc_core { 74 namespace internal { 75 76 typedef bool (*grpc_gce_tenancy_checker)(void); 77 78 void set_gce_tenancy_checker_for_testing(grpc_gce_tenancy_checker checker); 79 80 // TEST-ONLY. Reset the internal global state. 81 void grpc_flush_cached_google_default_credentials(void); 82 83 } // namespace internal 84 } // namespace grpc_core 85 86 #endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_GOOGLE_DEFAULT_GOOGLE_DEFAULT_CREDENTIALS_H \ 87 */ 88