163 lines
4.3 KiB
PHP
163 lines
4.3 KiB
PHP
<?php
|
|
|
|
function hub_return($valid,$body) {
|
|
|
|
if($valid) {
|
|
header($_SERVER["SERVER_PROTOCOL"] . ' 200 ' . 'OK');
|
|
echo $body;
|
|
killme();
|
|
}
|
|
else {
|
|
header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . 'Not Found');
|
|
killme();
|
|
}
|
|
|
|
// NOTREACHED
|
|
}
|
|
|
|
// when receiving an XML feed, always return OK
|
|
|
|
function hub_post_return() {
|
|
|
|
header($_SERVER["SERVER_PROTOCOL"] . ' 200 ' . 'OK');
|
|
killme();
|
|
|
|
}
|
|
|
|
|
|
|
|
function pubsub_init(&$a) {
|
|
|
|
$nick = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
|
|
$contact_id = (($a->argc > 2) ? intval($a->argv[2]) : 0 );
|
|
|
|
if($_SERVER['REQUEST_METHOD'] === 'GET') {
|
|
|
|
$hub_mode = ((x($_GET,'hub_mode')) ? notags(trim($_GET['hub_mode'])) : '');
|
|
$hub_topic = ((x($_GET,'hub_topic')) ? notags(trim($_GET['hub_topic'])) : '');
|
|
$hub_challenge = ((x($_GET,'hub_challenge')) ? notags(trim($_GET['hub_challenge'])) : '');
|
|
$hub_lease = ((x($_GET,'hub_lease_seconds')) ? notags(trim($_GET['hub_lease_seconds'])) : '');
|
|
$hub_verify = ((x($_GET,'hub_verify_token')) ? notags(trim($_GET['hub_verify_token'])) : '');
|
|
|
|
logger('pubsub: Subscription from ' . $_SERVER['REMOTE_ADDR']);
|
|
logger('pubsub: data: ' . print_r($_GET,true), LOGGER_DATA);
|
|
|
|
$subscribe = (($hub_mode === 'subscribe') ? 1 : 0);
|
|
|
|
$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `account_expired` = 0 AND `account_removed` = 0 LIMIT 1",
|
|
dbesc($nick)
|
|
);
|
|
if(! count($r)) {
|
|
logger('pubsub: local account not found: ' . $nick);
|
|
hub_return(false, '');
|
|
}
|
|
|
|
|
|
$owner = $r[0];
|
|
|
|
$sql_extra = ((strlen($hub_verify)) ? sprintf(" AND `hub-verify` = '%s' ", dbesc($hub_verify)) : '');
|
|
|
|
$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d
|
|
AND `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1",
|
|
intval($contact_id),
|
|
intval($owner['uid'])
|
|
);
|
|
if(! count($r)) {
|
|
logger('pubsub: contact '.$contact_id.' not found.');
|
|
hub_return(false, '');
|
|
}
|
|
|
|
if ($hub_topic)
|
|
if(! link_compare($hub_topic,$r[0]['poll'])) {
|
|
logger('pubsub: hub topic ' . $hub_topic . ' != ' . $r[0]['poll']);
|
|
// should abort but let's humour them.
|
|
}
|
|
|
|
$contact = $r[0];
|
|
|
|
// We must initiate an unsubscribe request with a verify_token.
|
|
// Don't allow outsiders to unsubscribe us.
|
|
|
|
if($hub_mode === 'unsubscribe') {
|
|
if(! strlen($hub_verify)) {
|
|
logger('pubsub: bogus unsubscribe');
|
|
hub_return(false, '');
|
|
}
|
|
logger('pubsub: unsubscribe success');
|
|
}
|
|
|
|
if ($hub_mode)
|
|
$r = q("UPDATE `contact` SET `subhub` = %d WHERE `id` = %d",
|
|
intval($subscribe),
|
|
intval($contact['id'])
|
|
);
|
|
|
|
hub_return(true, $hub_challenge);
|
|
}
|
|
}
|
|
|
|
require_once('include/security.php');
|
|
|
|
function pubsub_post(&$a) {
|
|
|
|
$xml = file_get_contents('php://input');
|
|
|
|
logger('pubsub: feed arrived from ' . $_SERVER['REMOTE_ADDR'] . ' for ' . $a->cmd );
|
|
logger('pubsub: user-agent: ' . $_SERVER['HTTP_USER_AGENT'] );
|
|
logger('pubsub: data: ' . $xml, LOGGER_DATA);
|
|
|
|
// if(! stristr($xml,'<?xml')) {
|
|
// logger('pubsub_post: bad xml');
|
|
// hub_post_return();
|
|
// }
|
|
|
|
$nick = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
|
|
$contact_id = (($a->argc > 2) ? intval($a->argv[2]) : 0 );
|
|
|
|
$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `account_expired` = 0 AND `account_removed` = 0 LIMIT 1",
|
|
dbesc($nick)
|
|
);
|
|
if(! count($r))
|
|
hub_post_return();
|
|
|
|
$importer = $r[0];
|
|
|
|
$r = q("SELECT * FROM `contact` WHERE `subhub` = 1 AND `id` = %d AND `uid` = %d
|
|
AND ( `rel` = %d OR `rel` = %d OR network = '%s' ) AND `blocked` = 0 AND `readonly` = 0 LIMIT 1",
|
|
intval($contact_id),
|
|
intval($importer['uid']),
|
|
intval(CONTACT_IS_SHARING),
|
|
intval(CONTACT_IS_FRIEND),
|
|
dbesc(NETWORK_FEED)
|
|
);
|
|
|
|
if(! count($r)) {
|
|
logger('pubsub: no contact record for "'.$nick.' ('.$contact_id.')" - ignored. '.$xml);
|
|
hub_post_return();
|
|
}
|
|
|
|
$contact = $r[0];
|
|
|
|
// we have no way to match Diaspora guid's with atom post id's and could get duplicates.
|
|
// we'll assume that direct delivery is robust (and this is a bad assumption, but the duplicates are messy).
|
|
|
|
if($r[0]['network'] === NETWORK_DIASPORA)
|
|
hub_post_return();
|
|
|
|
$feedhub = '';
|
|
|
|
require_once('include/items.php');
|
|
|
|
consume_feed($xml,$importer,$contact,$feedhub,1,1);
|
|
|
|
// do it a second time so that any children find their parents.
|
|
|
|
consume_feed($xml,$importer,$contact,$feedhub,1,2);
|
|
|
|
hub_post_return();
|
|
|
|
}
|
|
|
|
|
|
|