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