| /* |
| * |
| * Copyright 2016 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_OAUTH2_OAUTH2_CREDENTIALS_H |
| #define GRPC_CORE_LIB_SECURITY_CREDENTIALS_OAUTH2_OAUTH2_CREDENTIALS_H |
| |
| #include "src/core/lib/json/json.h" |
| #include "src/core/lib/security/credentials/credentials.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // auth_refresh_token parsing. |
| typedef struct { |
| const char *type; |
| char *client_id; |
| char *client_secret; |
| char *refresh_token; |
| } grpc_auth_refresh_token; |
| |
| /// Returns 1 if the object is valid, 0 otherwise. |
| int grpc_auth_refresh_token_is_valid( |
| const grpc_auth_refresh_token *refresh_token); |
| |
| /// Creates a refresh token object from string. Returns an invalid object if a |
| /// parsing error has been encountered. |
| grpc_auth_refresh_token grpc_auth_refresh_token_create_from_string( |
| const char *json_string); |
| |
| /// Creates a refresh token object from parsed json. Returns an invalid object |
| /// if a parsing error has been encountered. |
| grpc_auth_refresh_token grpc_auth_refresh_token_create_from_json( |
| const grpc_json *json); |
| |
| /// Destructs the object. |
| void grpc_auth_refresh_token_destruct(grpc_auth_refresh_token *refresh_token); |
| |
| // -- Oauth2 Token Fetcher credentials -- |
| // |
| // This object is a base for credentials that need to acquire an oauth2 token |
| // from an http service. |
| |
| typedef void (*grpc_fetch_oauth2_func)(grpc_exec_ctx *exec_ctx, |
| grpc_credentials_metadata_request *req, |
| grpc_httpcli_context *http_context, |
| grpc_polling_entity *pollent, |
| grpc_iomgr_cb_func cb, |
| grpc_millis deadline); |
| |
| typedef struct grpc_oauth2_pending_get_request_metadata { |
| grpc_credentials_mdelem_array *md_array; |
| grpc_closure *on_request_metadata; |
| grpc_polling_entity *pollent; |
| struct grpc_oauth2_pending_get_request_metadata *next; |
| } grpc_oauth2_pending_get_request_metadata; |
| |
| typedef struct { |
| grpc_call_credentials base; |
| gpr_mu mu; |
| grpc_mdelem access_token_md; |
| grpc_millis token_expiration; |
| bool token_fetch_pending; |
| grpc_oauth2_pending_get_request_metadata *pending_requests; |
| grpc_httpcli_context httpcli_context; |
| grpc_fetch_oauth2_func fetch_func; |
| grpc_polling_entity pollent; |
| } grpc_oauth2_token_fetcher_credentials; |
| |
| // Google refresh token credentials. |
| typedef struct { |
| grpc_oauth2_token_fetcher_credentials base; |
| grpc_auth_refresh_token refresh_token; |
| } grpc_google_refresh_token_credentials; |
| |
| // Access token credentials. |
| typedef struct { |
| grpc_call_credentials base; |
| grpc_mdelem access_token_md; |
| } grpc_access_token_credentials; |
| |
| // Private constructor for refresh token credentials from an already parsed |
| // refresh token. Takes ownership of the refresh token. |
| grpc_call_credentials * |
| grpc_refresh_token_credentials_create_from_auth_refresh_token( |
| grpc_auth_refresh_token token); |
| |
| // Exposed for testing only. |
| grpc_credentials_status |
| grpc_oauth2_token_fetcher_credentials_parse_server_response( |
| grpc_exec_ctx *exec_ctx, const struct grpc_http_response *response, |
| grpc_mdelem *token_md, grpc_millis *token_lifetime); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_OAUTH2_OAUTH2_CREDENTIALS_H */ |