legacy-libs/grpc-cloned/deps/grpc/src/core/lib/security/credentials/google_default/google_default_credentials.h

   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:
  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
  63   const grpc_channel_credentials* alts_creds() const {
  64     return alts_creds_.get();
  65   }
  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         */