PuSH: Publishing moved to a new process. OStatus comments are now published to all subscribers.

2015-05-30 20:47:53 +02:00
parent 594f3e2815
commit e66489d67f
6 changed files with 184 additions and 100 deletions
--- a/include/pubsubpublish.php
+++ b/include/pubsubpublish.php
@@ -0,0 +1,114 @@
+<?php
+require_once("boot.php");
+
+function handle_pubsubhubbub() {
+	global $a, $db;
+
+	logger('start');
+
+	// We'll push to each subscriber that has push > 0,
+	// i.e. there has been an update (set in notifier.php).
+
+	$r = q("SELECT * FROM `push_subscriber` WHERE `push` > 0");
+
+	foreach($r as $rr) {
+		$params = get_feed_for($a, '', $rr['nickname'], $rr['last_update'], 0, true);
+		$hmac_sig = hash_hmac("sha1", $params, $rr['secret']);
+
+		$headers = array("Content-type: application/atom+xml",
+						sprintf("Link: <%s>;rel=hub," .
+								"<%s>;rel=self",
+								$a->get_baseurl() . '/pubsubhubbub',
+								$rr['topic']),
+						"X-Hub-Signature: sha1=" . $hmac_sig);
+
+		logger('POST '. print_r($headers, true)."\n".$params, LOGGER_DEBUG);
+
+		post_url($rr['callback_url'], $params, $headers);
+		$ret = $a->get_curl_code();
+
+		if ($ret >= 200 && $ret <= 299) {
+			logger('successfully pushed to '.$rr['callback_url']);
+
+			// set last_update to "now", and reset push=0
+			$date_now = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
+			q("UPDATE `push_subscriber` SET `push` = 0, last_update = '%s' WHERE id = %d",
+				dbesc($date_now),
+				intval($rr['id']));
+
+		} else {
+			logger('error when pushing to '.$rr['callback_url'].' HTTP: '.$ret);
+
+			// we use the push variable also as a counter, if we failed we
+			// increment this until some upper limit where we give up
+			$new_push = intval($rr['push']) + 1;
+
+			if ($new_push > 30) // OK, let's give up
+				$new_push = 0;
+
+			q("UPDATE `push_subscriber` SET `push` = %d, last_update = '%s' WHERE id = %d",
+				$new_push,
+				dbesc($date_now),
+				intval($rr['id']));
+		}
+	}
+
+	logger('done');
+}
+
+
+function pubsubpublish_run(&$argv, &$argc){
+	global $a, $db;
+
+	if(is_null($a)){
+		$a = new App;
+	}
+
+	if(is_null($db)){
+		@include(".htconfig.php");
+		require_once("include/dba.php");
+		$db = new dba($db_host, $db_user, $db_pass, $db_data);
+		unset($db_host, $db_user, $db_pass, $db_data);
+	};
+
+	require_once('include/items.php');
+	require_once('include/pidfile.php');
+
+	load_config('config');
+	load_config('system');
+
+	$lockpath = get_lockpath();
+	if ($lockpath != '') {
+		$pidfile = new pidfile($lockpath, 'pubsubpublish');
+		if($pidfile->is_already_running()) {
+			logger("Already running");
+			if ($pidfile->running_time() > 9*60) {
+				$pidfile->kill();
+				logger("killed stale process");
+				// Calling a new instance
+				proc_run('php',"include/pubsubpublish.php");
+			}
+			return;
+		}
+	}
+
+	$a->set_baseurl(get_config('system','url'));
+
+	load_hooks();
+
+	if($argc > 1)
+		$pubsubpublish_id = intval($argv[1]);
+	else
+		$pubsubpublish_id = 0;
+
+	handle_pubsubhubbub();
+
+	return;
+
+}
+
+if (array_search(__file__,get_included_files())===0){
+  pubsubpublish_run($_SERVER["argv"],$_SERVER["argc"]);
+  killme();
+}
+