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/*
*
* Copyright 2015-2016, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPC_CORE_LIB_SECURITY_JSON_TOKEN_H
#define GRPC_CORE_LIB_SECURITY_JSON_TOKEN_H
#include <grpc/support/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"
#define GRPC_AUTH_JSON_TYPE_INVALID "invalid"
#define GRPC_AUTH_JSON_TYPE_SERVICE_ACCOUNT "service_account"
#define GRPC_AUTH_JSON_TYPE_AUTHORIZED_USER "authorized_user"
/* --- 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);
/* --- 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);
#endif /* GRPC_CORE_LIB_SECURITY_JSON_TOKEN_H */
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