* @maintainer Brion Vibber <brion@status.net>
*/
-if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
-
+if (!defined('STATUSNET')) {
+ exit(1);
+}
class PushCallbackAction extends Action
{
function handle()
{
+ StatusNet::setApi(true); // Minimize error messages to aid in debugging
parent::handle();
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$this->handlePost();
$this->handleGet();
}
}
-
+
/**
* Handler for POST content updates from the hub
*/
$feedid = $this->arg('feed');
common_log(LOG_INFO, "POST for feed id $feedid");
if (!$feedid) {
- throw new ServerException('Empty or invalid feed id', 400);
+ throw new ServerException(_m('Empty or invalid feed id.'), 400);
}
- $feedinfo = Feedinfo::staticGet('id', $feedid);
- if (!$feedinfo) {
- throw new ServerException('Unknown feed id ' . $feedid, 400);
+ $feedsub = FeedSub::staticGet('id', $feedid);
+ if (!$feedsub) {
+ // TRANS: Server exception. %s is a feed ID.
+ throw new ServerException(sprintf(_m('Unknown PuSH feed id %s'),$feedid), 400);
}
$hmac = '';
}
$post = file_get_contents('php://input');
- $feedinfo->postUpdates($post, $hmac);
+
+ // Queue this to a background process; we should return
+ // as quickly as possible from a distribution POST.
+ // If queues are disabled this'll process immediately.
+ $data = array('feedsub_id' => $feedsub->id,
+ 'post' => $post,
+ 'hmac' => $hmac);
+ $qm = QueueManager::get();
+ $qm->enqueue($data, 'pushin');
}
-
+
/**
- * Handler for GET verification requests from the hub
+ * Handler for GET verification requests from the hub.
*/
function handleGet()
{
$challenge = $this->arg('hub_challenge');
$lease_seconds = $this->arg('hub_lease_seconds');
$verify_token = $this->arg('hub_verify_token');
-
+ common_log(LOG_INFO, __METHOD__ . ": sub verification mode: $mode topic: $topic challenge: $challenge lease_seconds: $lease_seconds verify_token: $verify_token");
+
if ($mode != 'subscribe' && $mode != 'unsubscribe') {
- common_log(LOG_WARNING, __METHOD__ . ": bogus hub callback with mode \"$mode\"");
- throw new ServerException("Bogus hub callback: bad mode", 404);
+ // TRANS: Client exception. %s is an invalid value for hub.mode.
+ throw new ClientException(sprintf(_m('Bad hub.mode "$s".',$mode)), 404);
}
-
- $feedinfo = Feedinfo::staticGet('feeduri', $topic);
- if (!$feedinfo) {
- common_log(LOG_WARNING, __METHOD__ . ": bogus hub callback for unknown feed $topic");
- throw new ServerException("Bogus hub callback: unknown feed", 404);
+
+ $feedsub = FeedSub::staticGet('uri', $topic);
+ if (!$feedsub) {
+ // TRANS: Client exception. %s is an invalid feed name.
+ throw new ClientException(sprintf(_m('Bad hub.topic feed "%s".'),$topic), 404);
+ }
+
+ if ($feedsub->verify_token !== $verify_token) {
+ // TRANS: Client exception. %1$s the invalid token, %2$s is the topic for which the invalid token was given.
+ throw new ClientException(sprintf(_m('Bad hub.verify_token %1$s for %2$s.'),$token,$topic), 404);
+ }
+
+ if ($mode == 'subscribe') {
+ // We may get re-sub requests legitimately.
+ if ($feedsub->sub_state != 'subscribe' && $feedsub->sub_state != 'active') {
+ // TRANS: Client exception. %s is an invalid topic.
+ throw new ClientException(sprintf(_m('Unexpected subscribe request for %s.'),$topic), 404);
+ }
+ } else {
+ if ($feedsub->sub_state != 'unsubscribe') {
+ // TRANS: Client exception. %s is an invalid topic.
+ throw new ClientException(sprintf(_m('Unexpected unsubscribe request for %s.'),$topic), 404);
+ }
}
- # Can't currently set the token in our sub api
- #if ($feedinfo->verify_token !== $verify_token) {
- # common_log(LOG_WARNING, __METHOD__ . ": bogus hub callback with bad token \"$verify_token\" for feed $topic");
- # throw new ServerError("Bogus hub callback: bad token", 404);
- #}
-
- // OK!
- common_log(LOG_INFO, __METHOD__ . ': sub confirmed');
- $feedinfo->sub_start = common_sql_date(time());
- if ($lease_seconds > 0) {
- $feedinfo->sub_end = common_sql_date(time() + $lease_seconds);
+ if ($mode == 'subscribe') {
+ if ($feedsub->sub_state == 'active') {
+ common_log(LOG_INFO, __METHOD__ . ': sub update confirmed');
+ } else {
+ common_log(LOG_INFO, __METHOD__ . ': sub confirmed');
+ }
+ $feedsub->confirmSubscribe($lease_seconds);
} else {
- $feedinfo->sub_end = null;
+ common_log(LOG_INFO, __METHOD__ . ": unsub confirmed; deleting sub record for $topic");
+ $feedsub->confirmUnsubscribe();
}
- $feedinfo->update();
-
print $challenge;
}
}