/**
* Process a request for a new or modified PuSH feed subscription.
* If asynchronous verification is requested, updates won't be saved immediately.
*
* HTTP return codes:
* 202 Accepted - request saved and awaiting verification
* 204 No Content - already subscribed
* 400 Bad Request - rejecting this (not specifically spec'd)
*/
function subunsub($mode)
{
$callback = $this->argUrl('hub.callback');
$topic = $this->argUrl('hub.topic');
if (!$this->recognizedFeed($topic)) {
// TRANS: Client exception. %s is a topic.
throw new ClientException(sprintf(_m('Unsupported hub.topic %s this hub only serves local user and group Atom feeds.'), $topic));
}
$lease = $this->arg('hub.lease_seconds', null);
if ($mode == 'subscribe' && $lease != '' && !preg_match('/^\\d+$/', $lease)) {
// TRANS: Client exception. %s is the invalid lease value.
throw new ClientException(sprintf(_m('Invalid hub.lease "%s". It must be empty or positive integer.'), $lease));
}
$secret = $this->arg('hub.secret', null);
if ($secret != '' && strlen($secret) >= 200) {
// TRANS: Client exception. %s is the invalid hub secret.
throw new ClientException(sprintf(_m('Invalid hub.secret "%s". It must be under 200 bytes.'), $secret));
}
$sub = HubSub::getByHashkey($topic, $callback);
if (!$sub instanceof HubSub) {
// Creating a new one!
$sub = new HubSub();
$sub->topic = $topic;
$sub->callback = $callback;
}
if ($mode == 'subscribe') {
if ($secret) {
$sub->secret = $secret;
}
if ($lease) {
$sub->setLease(intval($lease));
}
}
$verify = $this->arg('hub.verify');
// TODO: deprecated
$token = $this->arg('hub.verify_token', null);
// TODO: deprecated
if ($verify == 'sync') {
// pre-0.4 PuSH
$sub->verify($mode, $token);
header('HTTP/1.1 204 No Content');
} else {
// If $verify is not "sync", we might be using PuSH 0.4
$sub->scheduleVerify($mode, $token);
// If we were certain it's PuSH 0.4, token could be removed
header('HTTP/1.1 202 Accepted');
}
}
/**
* Process a request for a new or modified PuSH feed subscription.
* If asynchronous verification is requested, updates won't be saved immediately.
*
* HTTP return codes:
* 202 Accepted - request saved and awaiting verification
* 204 No Content - already subscribed
* 400 Bad Request - rejecting this (not specifically spec'd)
*/
function subunsub($mode)
{
$callback = $this->argUrl('hub.callback');
$topic = $this->argUrl('hub.topic');
if (!$this->recognizedFeed($topic)) {
// TRANS: Client exception. %s is a topic.
throw new ClientException(sprintf(_m('Unsupported hub.topic %s this hub only serves local user and group Atom feeds.'), $topic));
}
$verify = $this->arg('hub.verify');
// @fixme may be multiple
if ($verify != 'sync' && $verify != 'async') {
// TRANS: Client exception.
throw new ClientException(sprintf(_m('Invalid hub.verify "%s". It must be sync or async.'), $verify));
}
$lease = $this->arg('hub.lease_seconds', null);
if ($mode == 'subscribe' && $lease != '' && !preg_match('/^\\d+$/', $lease)) {
// TRANS: Client exception.
throw new ClientException(sprintf(_m('Invalid hub.lease "%s". It must be empty or positive integer.'), $lease));
}
$token = $this->arg('hub.verify_token', null);
$secret = $this->arg('hub.secret', null);
if ($secret != '' && strlen($secret) >= 200) {
// TRANS: Client exception.
throw new ClientException(sprintf(_m('Invalid hub.secret "%s". It must be under 200 bytes.'), $secret));
}
$sub = HubSub::staticGet($topic, $callback);
if (!$sub) {
// Creating a new one!
$sub = new HubSub();
$sub->topic = $topic;
$sub->callback = $callback;
}
if ($mode == 'subscribe') {
if ($secret) {
$sub->secret = $secret;
}
if ($lease) {
$sub->setLease(intval($lease));
}
}
if (!common_config('queue', 'enabled')) {
// Won't be able to background it.
$verify = 'sync';
}
if ($verify == 'async') {
$sub->scheduleVerify($mode, $token);
header('HTTP/1.1 202 Accepted');
} else {
$sub->verify($mode, $token);
header('HTTP/1.1 204 No Content');
}
}
