gnu-social/lib/oauthstore.php
2009-06-20 16:00:04 -07:00

158 lines
5.2 KiB
PHP

<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Control Yourself, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
require_once(INSTALLDIR.'/lib/omb.php');
class LaconicaOAuthDataStore extends OAuthDataStore
{
// We keep a record of who's contacted us
function lookup_consumer($consumer_key)
{
$con = Consumer::staticGet('consumer_key', $consumer_key);
if (!$con) {
$con = new Consumer();
$con->consumer_key = $consumer_key;
$con->seed = common_good_rand(16);
$con->created = DB_DataObject_Cast::dateTime();
if (!$con->insert()) {
return null;
}
}
return new OAuthConsumer($con->consumer_key, '');
}
function lookup_token($consumer, $token_type, $token_key)
{
$t = new Token();
$t->consumer_key = $consumer->key;
$t->tok = $token_key;
$t->type = ($token_type == 'access') ? 1 : 0;
if ($t->find(true)) {
return new OAuthToken($t->tok, $t->secret);
} else {
return null;
}
}
// http://oauth.net/core/1.0/#nonce
// "The Consumer SHALL then generate a Nonce value that is unique for
// all requests with that timestamp."
// XXX: It's not clear why the token is here
function lookup_nonce($consumer, $token, $nonce, $timestamp)
{
$n = new Nonce();
$n->consumer_key = $consumer->key;
$n->ts = $timestamp;
$n->nonce = $nonce;
if ($n->find(true)) {
return true;
} else {
$n->created = DB_DataObject_Cast::dateTime();
$n->insert();
return false;
}
}
function new_request_token($consumer)
{
$t = new Token();
$t->consumer_key = $consumer->key;
$t->tok = common_good_rand(16);
$t->secret = common_good_rand(16);
$t->type = 0; // request
$t->state = 0; // unauthorized
$t->created = DB_DataObject_Cast::dateTime();
if (!$t->insert()) {
return null;
} else {
return new OAuthToken($t->tok, $t->secret);
}
}
// defined in OAuthDataStore, but not implemented anywhere
function fetch_request_token($consumer)
{
return $this->new_request_token($consumer);
}
function new_access_token($token, $consumer)
{
common_debug('new_access_token("'.$token->key.'","'.$consumer->key.'")', __FILE__);
$rt = new Token();
$rt->consumer_key = $consumer->key;
$rt->tok = $token->key;
$rt->type = 0; // request
if ($rt->find(true) && $rt->state == 1) { // authorized
common_debug('request token found.', __FILE__);
$at = new Token();
$at->consumer_key = $consumer->key;
$at->tok = common_good_rand(16);
$at->secret = common_good_rand(16);
$at->type = 1; // access
$at->created = DB_DataObject_Cast::dateTime();
if (!$at->insert()) {
$e = $at->_lastError;
common_debug('access token "'.$at->tok.'" not inserted: "'.$e->message.'"', __FILE__);
return null;
} else {
common_debug('access token "'.$at->tok.'" inserted', __FILE__);
// burn the old one
$orig_rt = clone($rt);
$rt->state = 2; // used
if (!$rt->update($orig_rt)) {
return null;
}
common_debug('request token "'.$rt->tok.'" updated', __FILE__);
// Update subscription
// XXX: mixing levels here
$sub = Subscription::staticGet('token', $rt->tok);
if (!$sub) {
return null;
}
common_debug('subscription for request token found', __FILE__);
$orig_sub = clone($sub);
$sub->token = $at->tok;
$sub->secret = $at->secret;
if (!$sub->update($orig_sub)) {
return null;
} else {
common_debug('subscription updated to use access token', __FILE__);
return new OAuthToken($at->tok, $at->secret);
}
}
} else {
return null;
}
}
// defined in OAuthDataStore, but not implemented anywhere
function fetch_access_token($consumer)
{
return $this->new_access_token($consumer);
}
}