yading@11: /*
yading@11:  * HTTP authentication
yading@11:  * Copyright (c) 2010 Martin Storsjo
yading@11:  *
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: #ifndef AVFORMAT_HTTPAUTH_H
yading@11: #define AVFORMAT_HTTPAUTH_H
yading@11: 
yading@11: /**
yading@11:  * Authentication types, ordered from weakest to strongest.
yading@11:  */
yading@11: typedef enum HTTPAuthType {
yading@11:     HTTP_AUTH_NONE = 0,    /**< No authentication specified */
yading@11:     HTTP_AUTH_BASIC,       /**< HTTP 1.0 Basic auth from RFC 1945
yading@11:                              *  (also in RFC 2617) */
yading@11:     HTTP_AUTH_DIGEST,      /**< HTTP 1.1 Digest auth from RFC 2617 */
yading@11: } HTTPAuthType;
yading@11: 
yading@11: typedef struct DigestParams {
yading@11:     char nonce[300];       /**< Server specified nonce */
yading@11:     char algorithm[10];    /**< Server specified digest algorithm */
yading@11:     char qop[30];          /**< Quality of protection, containing the one
yading@11:                              *  that we've chosen to use, from the
yading@11:                              *  alternatives that the server offered. */
yading@11:     char opaque[300];      /**< A server-specified string that should be
yading@11:                              *  included in authentication responses, not
yading@11:                              *  included in the actual digest calculation. */
yading@11:     char stale[10];        /**< The server indicated that the auth was ok,
yading@11:                              * but needs to be redone with a new, non-stale
yading@11:                              * nonce. */
yading@11:     int nc;                /**< Nonce count, the number of earlier replies
yading@11:                              *  where this particular nonce has been used. */
yading@11: } DigestParams;
yading@11: 
yading@11: /**
yading@11:  * HTTP Authentication state structure. Must be zero-initialized
yading@11:  * before used with the functions below.
yading@11:  */
yading@11: typedef struct HTTPAuthState {
yading@11:     /**
yading@11:      * The currently chosen auth type.
yading@11:      */
yading@11:     HTTPAuthType auth_type;
yading@11:     /**
yading@11:      * Authentication realm
yading@11:      */
yading@11:     char realm[200];
yading@11:     /**
yading@11:      * The parameters specifiec to digest authentication.
yading@11:      */
yading@11:     DigestParams digest_params;
yading@11:     /**
yading@11:      * Auth ok, but needs to be resent with a new nonce.
yading@11:      */
yading@11:     int stale;
yading@11: } HTTPAuthState;
yading@11: 
yading@11: void ff_http_auth_handle_header(HTTPAuthState *state, const char *key,
yading@11:                                 const char *value);
yading@11: char *ff_http_auth_create_response(HTTPAuthState *state, const char *auth,
yading@11:                                    const char *path, const char *method);
yading@11: 
yading@11: #endif /* AVFORMAT_HTTPAUTH_H */