113 lines
2.7 KiB
PHP
113 lines
2.7 KiB
PHP
<?php
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require_once("boot.php");
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function handle_pubsubhubbub() {
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global $a, $db;
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logger('start');
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// We'll push to each subscriber that has push > 0,
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// i.e. there has been an update (set in notifier.php).
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$r = q("SELECT * FROM `push_subscriber` WHERE `push` > 0");
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foreach($r as $rr) {
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$params = get_feed_for($a, '', $rr['nickname'], $rr['last_update'], 0, true);
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$hmac_sig = hash_hmac("sha1", $params, $rr['secret']);
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$headers = array("Content-type: application/atom+xml",
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sprintf("Link: <%s>;rel=hub," .
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"<%s>;rel=self",
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$a->get_baseurl() . '/pubsubhubbub',
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$rr['topic']),
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"X-Hub-Signature: sha1=" . $hmac_sig);
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logger('POST '. print_r($headers, true)."\n".$params, LOGGER_DEBUG);
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post_url($rr['callback_url'], $params, $headers);
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$ret = $a->get_curl_code();
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if ($ret >= 200 && $ret <= 299) {
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logger('successfully pushed to '.$rr['callback_url']);
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// set last_update to "now", and reset push=0
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$date_now = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
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q("UPDATE `push_subscriber` SET `push` = 0, last_update = '%s' WHERE id = %d",
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dbesc($date_now),
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intval($rr['id']));
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} else {
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logger('error when pushing to '.$rr['callback_url'].' HTTP: '.$ret);
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// we use the push variable also as a counter, if we failed we
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// increment this until some upper limit where we give up
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$new_push = intval($rr['push']) + 1;
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if ($new_push > 30) // OK, let's give up
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$new_push = 0;
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q("UPDATE `push_subscriber` SET `push` = %d WHERE id = %d",
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$new_push,
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intval($rr['id']));
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}
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}
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logger('done');
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}
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function pubsubpublish_run(&$argv, &$argc){
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global $a, $db;
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if(is_null($a)){
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$a = new App;
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}
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if(is_null($db)){
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@include(".htconfig.php");
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require_once("include/dba.php");
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$db = new dba($db_host, $db_user, $db_pass, $db_data);
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unset($db_host, $db_user, $db_pass, $db_data);
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};
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require_once('include/items.php');
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require_once('include/pidfile.php');
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load_config('config');
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load_config('system');
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$lockpath = get_lockpath();
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if ($lockpath != '') {
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$pidfile = new pidfile($lockpath, 'pubsubpublish');
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if($pidfile->is_already_running()) {
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logger("Already running");
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if ($pidfile->running_time() > 9*60) {
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$pidfile->kill();
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logger("killed stale process");
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// Calling a new instance
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proc_run('php',"include/pubsubpublish.php");
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}
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return;
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}
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}
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$a->set_baseurl(get_config('system','url'));
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load_hooks();
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if($argc > 1)
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$pubsubpublish_id = intval($argv[1]);
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else
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$pubsubpublish_id = 0;
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handle_pubsubhubbub();
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return;
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}
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if (array_search(__file__,get_included_files())===0){
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pubsubpublish_run($_SERVER["argv"],$_SERVER["argc"]);
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killme();
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}
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