/**
* Handler for GET verification requests from the hub.
*/
function handleGet()
{
$mode = $this->arg('hub_mode');
$topic = $this->arg('hub_topic');
$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' && $mode != 'unsubscribe') {
// TRANS: Client exception. %s is an invalid value for hub.mode.
throw new ClientException(sprintf(_m('Bad hub.mode "$s".', $mode)), 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.'), $topic), 404);
}
}
if ($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 {
common_log(LOG_INFO, __METHOD__ . ": unsub confirmed; deleting sub record for {$topic}");
$feedsub->confirmUnsubscribe();
}
print $challenge;
}
function handle($data)
{
assert(is_array($data));
$feedsub_id = $data['feedsub_id'];
$post = $data['post'];
$hmac = $data['hmac'];
$feedsub = FeedSub::staticGet('id', $feedsub_id);
if ($feedsub) {
try {
$feedsub->receive($post, $hmac);
} catch (Exception $e) {
common_log(LOG_ERR, "Exception during PuSH input processing for {$feedsub->uri}: " . $e->getMessage());
}
} else {
common_log(LOG_ERR, "Discarding POST to unknown feed subscription id {$feedsub_id}");
}
return true;
}
/**
* Handler for GET verification requests from the hub.
*/
function handleGet()
{
$mode = $this->arg('hub_mode');
$topic = $this->arg('hub_topic');
$challenge = $this->arg('hub_challenge');
$lease_seconds = $this->arg('hub_lease_seconds');
$verify_token = $this->arg('hub_verify_token');
if ($mode != 'subscribe' && $mode != 'unsubscribe') {
throw new ClientException("Bad hub.mode {$mode}", 404);
}
$feedsub = FeedSub::staticGet('uri', $topic);
if (!$feedsub) {
// @todo i18n FIXME: added i18n and use sprintf when using parameters.
throw new ClientException("Bad hub.topic feed {$topic}.", 404);
}
if ($feedsub->verify_token !== $verify_token) {
// @todo i18n FIXME: added i18n and use sprintf when using parameters.
throw new ClientException("Bad hub.verify_token {$token} for {$topic}.", 404);
}
if ($mode == 'subscribe') {
// We may get re-sub requests legitimately.
if ($feedsub->sub_state != 'subscribe' && $feedsub->sub_state != 'active') {
// @todo i18n FIXME: added i18n and use sprintf when using parameters.
throw new ClientException("Unexpected subscribe request for {$topic}.", 404);
}
} else {
if ($feedsub->sub_state != 'unsubscribe') {
// @todo i18n FIXME: added i18n and use sprintf when using parameters.
throw new ClientException("Unexpected unsubscribe request for {$topic}.", 404);
}
}
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 {
common_log(LOG_INFO, __METHOD__ . ": unsub confirmed; deleting sub record for {$topic}");
$feedsub->confirmUnsubscribe();
}
print $challenge;
}
Mainly intended for testing funky feed formats.
--skip=N Ignore the first N items in the feed.
--count=N Only process up to N items from the feed, after skipping.
END_OF_HELP;
require_once INSTALLDIR . '/scripts/commandline.inc';
if (empty($args[0]) || !Validate::uri($args[0])) {
print "{$helptext}";
exit(1);
}
$feedurl = $args[0];
$skip = have_option('skip') ? intval(get_option_value('skip')) : 0;
$count = have_option('count') ? intval(get_option_value('count')) : 0;
$sub = FeedSub::staticGet('topic', $feedurl);
if (!$sub) {
print "Feed {$feedurl} is not subscribed.\n";
exit(1);
}
$xml = file_get_contents($feedurl);
if ($xml === false) {
print "Bad fetch.\n";
exit(1);
}
$feed = new DOMDocument();
if (!$feed->loadXML($xml)) {
print "Bad XML.\n";
exit(1);
}
if ($skip || $count) {
Mainly intended for testing funky feed formats.
--skip=N Ignore the first N items in the feed.
--count=N Only process up to N items from the feed, after skipping.
END_OF_HELP;
require_once INSTALLDIR . '/scripts/commandline.inc';
if (empty($args[0]) || !Validate::uri($args[0])) {
print "{$helptext}";
exit(1);
}
$feedurl = $args[0];
$skip = have_option('skip') ? intval(get_option_value('skip')) : 0;
$count = have_option('count') ? intval(get_option_value('count')) : 0;
$sub = FeedSub::staticGet('uri', $feedurl);
if (!$sub) {
print "Feed {$feedurl} is not subscribed.\n";
exit(1);
}
$xml = file_get_contents($feedurl);
if ($xml === false) {
print "Bad fetch.\n";
exit(1);
}
$feed = new DOMDocument();
if (!$feed->loadXML($xml)) {
print "Bad XML.\n";
exit(1);
}
if ($skip || $count) {
/**
* Check if this remote profile has any active local subscriptions, and
* if not drop the PuSH subscription feed.
*
* @return boolean
*/
public function garbageCollect()
{
$feedsub = FeedSub::staticGet('uri', $this->feeduri);
return $feedsub->garbageCollect();
}
/**
* Send a PuSH unsubscription request to the hub for this feed.
* The hub will later send us a confirmation POST to /main/push/callback.
*
* @return bool true on success, false on failure
* @throws ServerException if feed state is not valid
*/
public function unsubscribe()
{
$feedsub = FeedSub::staticGet('uri', $this->feeduri);
if (!$feedsub || $feedsub->sub_state == '' || $feedsub->sub_state == 'inactive') {
// No active PuSH subscription, we can just leave it be.
return true;
} else {
// PuSH subscription is either active or in an indeterminate state.
// Send an unsubscribe.
return $feedsub->unsubscribe();
}
}
