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/*
*
* Copyright 2015 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_JWT_JSON_TOKEN_H
#define GRPC_CORE_LIB_SECURITY_CREDENTIALS_JWT_JSON_TOKEN_H
#include <grpc/support/port_platform.h>
#include <grpc/slice.h>
#include <openssl/rsa.h>
#include "src/core/lib/json/json.h"
/* --- Constants. --- */
#define GRPC_JWT_OAUTH2_AUDIENCE "https://www.googleapis.com/oauth2/v3/token"
/* --- auth_json_key parsing. --- */
typedef struct {
const char* type;
char* private_key_id;
char* client_id;
char* client_email;
RSA* private_key;
} grpc_auth_json_key;
/* Returns 1 if the object is valid, 0 otherwise. */
int grpc_auth_json_key_is_valid(const grpc_auth_json_key* json_key);
/* Creates a json_key object from string. Returns an invalid object if a parsing
error has been encountered. */
grpc_auth_json_key grpc_auth_json_key_create_from_string(
const char* json_string);
/* Creates a json_key object from parsed json. Returns an invalid object if a
parsing error has been encountered. */
grpc_auth_json_key grpc_auth_json_key_create_from_json(const grpc_json* json);
/* Destructs the object. */
void grpc_auth_json_key_destruct(grpc_auth_json_key* json_key);
/* --- json token encoding and signing. --- */
/* Caller is responsible for calling gpr_free on the returned value. May return
NULL on invalid input. The scope parameter may be NULL. */
char* grpc_jwt_encode_and_sign(const grpc_auth_json_key* json_key,
const char* audience,
gpr_timespec token_lifetime, const char* scope);
/* Override encode_and_sign function for testing. */
typedef char* (*grpc_jwt_encode_and_sign_override)(
const grpc_auth_json_key* json_key, const char* audience,
gpr_timespec token_lifetime, const char* scope);
/* Set a custom encode_and_sign override for testing. */
void grpc_jwt_encode_and_sign_set_override(
grpc_jwt_encode_and_sign_override func);
#endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_JWT_JSON_TOKEN_H */
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