124 lines
2.6 KiB
PHP
124 lines
2.6 KiB
PHP
<?php
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function hub_return($valid,$body) {
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if($valid) {
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header($_SERVER["SERVER_PROTOCOL"] . ' 200 ' . 'OK');
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echo $body;
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killme();
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}
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else {
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header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . 'Not Found');
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killme();
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}
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// NOTREACHED
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}
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// when receiving an XML feed, always return OK
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function hub_post_return() {
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header($_SERVER["SERVER_PROTOCOL"] . ' 200 ' . 'OK');
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killme();
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}
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function pubsub_init(&$a) {
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$nick = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
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$contact_id = (($a->argc > 2) ? intval($a->argv[2]) : 0);
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if($_SERVER['REQUEST_METHOD'] === 'GET') {
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$hub_mode = notags(trim($_GET['hub_mode']));
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$hub_topic = notags(trim($_GET['hub_topic']));
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$hub_challenge = notags(trim($_GET['hub_challenge']));
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$hub_lease = notags(trim($_GET['hub_lease_seconds']));
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$hub_verify = notags(trim($_GET['hub_verify_token']));
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$subscribe = (($hub_mode === 'subscribe') ? 1 : 0);
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$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1",
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dbesc($nick)
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);
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if(! count($r))
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hub_return(false, '');
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$owner = $r[0];
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$sql_extra = ((strlen($hub_verify)) ? sprintf(" AND `hub-verify` = '%s' ", dbesc($hub_verify)) : '');
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$r = q("SELECT * FROM `contact` WHERE `poll` = '%s' AND `id` = %d AND `uid` = %d AND `blocked` = 0 $sql_extra LIMIT 1",
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dbesc($hub_topic),
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intval($contact_id),
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intval($owner['uid'])
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);
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if(! count($r))
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hub_return(false, '');
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$contact = $r[0];
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// We must initiate an unsubscribe request with a verify_token.
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// Don't allow outsiders to unsubscribe us.
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if(($hub_mode === 'unsubscribe') && (! strlen($hub_verify)))
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hub_return(false, '');
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$r = q("UPDATE `contact` SET `subhub` = %d WHERE `id` = %d LIMIT 1",
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intval($subscribe),
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intval($contact['id'])
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);
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hub_return(true, $hub_challenge);
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}
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}
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function pubsub_post(&$a) {
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$xml = file_get_contents('php://input');
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$debugging = get_config('system','debugging');
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if($debugging)
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file_put_contents('pubsub.out',$xml);
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$nick = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
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$contact_id = (($a->argc > 2) ? intval($a->argv[2]) : 0);
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$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1",
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dbesc($nick)
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);
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if(! count($r))
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hub_post_return();
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$importer = $r[0];
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$r = q("SELECT * FROM `contact` WHERE `subhub` = 1 AND `id` = %d AND `uid` = %d AND `blocked` = 0 LIMIT 1",
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intval($contact_id),
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intval($importer['uid'])
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);
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if(! count($r))
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hub_post_return();
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$contact = $r[0];
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$feedhub = '';
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require_once('include/items.php');
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consume_feed($xml,$importer,$contact,$feedhub);
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hub_post_return();
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}
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