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/***************************************************************************\
* *
* BitlBee - An IRC to IM gateway *
* Simple OAuth client (consumer) implementation. *
* *
* Copyright 2010 Wilmer van der Gaast <wilmer@gaast.net> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
* *
\***************************************************************************/
/* http://oauth.net/core/1.0a/ */
struct oauth_info;
/* Callback function called twice during the access token request process.
Return FALSE if something broke and the process must be aborted. */
typedef gboolean (*oauth_cb)( struct oauth_info * );
typedef enum
{
OAUTH_INIT,
OAUTH_REQUEST_TOKEN,
OAUTH_ACCESS_TOKEN,
} oauth_stage_t;
struct oauth_info
{
oauth_stage_t stage;
const struct oauth_service *sp;
oauth_cb func;
void *data;
struct http_request *http;
char *auth_url;
char *request_token;
char *token;
char *token_secret;
GSList *params;
};
struct oauth_service
{
char *url_request_token;
char *url_access_token;
char *url_authorize;
char *consumer_key;
char *consumer_secret;
};
/* http://oauth.net/core/1.0a/#auth_step1 (section 6.1)
Request an initial anonymous token which can be used to construct an
authorization URL for the user. This is passed to the callback function
in a struct oauth_info. */
struct oauth_info *oauth_request_token( const struct oauth_service *sp, oauth_cb func, void *data );
/* http://oauth.net/core/1.0a/#auth_step3 (section 6.3)
The user gets a PIN or so which we now exchange for the final access
token. This is passed to the callback function in the same
struct oauth_info. */
gboolean oauth_access_token( const char *pin, struct oauth_info *st );
/* http://oauth.net/core/1.0a/#anchor12 (section 7)
Generate an OAuth Authorization: HTTP header. access_token should be
saved/fetched using the functions above. args can be a string with
whatever's going to be in the POST body of the request. GET args will
automatically be grabbed from url. */
char *oauth_http_header( struct oauth_info *oi, const char *method, const char *url, char *args );
/* Shouldn't normally be required unless the process is aborted by the user. */
void oauth_info_free( struct oauth_info *info );
/* Convert to and back from strings, for easier saving. */
char *oauth_to_string( struct oauth_info *oi );
struct oauth_info *oauth_from_string( char *in, const struct oauth_service *sp );
/* For reading misc. data. */
void oauth_params_add( GSList **params, const char *key, const char *value );
void oauth_params_parse( GSList **params, char *in );
void oauth_params_free( GSList **params );
char *oauth_params_string( GSList *params );
void oauth_params_set( GSList **params, const char *key, const char *value );
const char *oauth_params_get( GSList **params, const char *key );
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