src/Worker/PubSubPublish.php

   1 <?php
   2 /**
   3  * @file src/Worker/PubSubPublish.php
   4  */
   5
   6 namespace Friendica\Worker;
   7
   8 use Friendica\BaseObject;
   9 use Friendica\Core\System;
  10 use Friendica\Database\DBA;
  11 use Friendica\Model\PushSubscriber;
  12 use Friendica\Protocol\OStatus;
  13 use Friendica\Util\Network;
  14
  15 require_once 'include/items.php';
  16
  17 class PubSubPublish
  18 {
  19         public static function execute($pubsubpublish_id = 0)
  20         {
  21                 if ($pubsubpublish_id == 0) {
  22                         return;
  23                 }
  24
  25                 self::publish($pubsubpublish_id);
  26         }
  27
  28         private static function publish($id)
  29         {
  30                 $a = BaseObject::getApp();
  31
  32                 $subscriber = DBA::selectFirst('push_subscriber', [], ['id' => $id]);
  33                 if (!DBA::isResult($subscriber)) {
  34                         return;
  35                 }
  36
  37                 /// @todo Check server status with PortableContact::checkServer()
  38                 // Before this can be done we need a way to safely detect the server url.
  39
  40                 logger("Generate feed of user " . $subscriber['nickname']. " to " . $subscriber['callback_url']. " - last updated " . $subscriber['last_update'], LOGGER_DEBUG);
  41
  42                 $last_update = $subscriber['last_update'];
  43                 $params = OStatus::feed($subscriber['nickname'], $last_update);
  44
  45                 if (!$params) {
  46                         return;
  47                 }
  48
  49                 $hmac_sig = hash_hmac("sha1", $params, $subscriber['secret']);
  50
  51                 $headers = ["Content-type: application/atom+xml",
  52                                 sprintf("Link: <%s>;rel=hub,<%s>;rel=self",
  53                                         System::baseUrl() . '/pubsubhubbub/' . $subscriber['nickname'],
  54                                         $subscriber['topic']),
  55                                 "X-Hub-Signature: sha1=" . $hmac_sig];
  56
  57                 logger('POST ' . print_r($headers, true) . "\n" . $params, LOGGER_DATA);
  58
  59                 $postResult = Network::post($subscriber['callback_url'], $params, $headers);
  60                 $ret = $postResult->getReturnCode();
  61
  62                 $condition = ['id' => $subscriber['id']];
  63
  64                 if ($ret >= 200 && $ret <= 299) {
  65                         logger('Successfully pushed to ' . $subscriber['callback_url']);
  66
  67                         PushSubscriber::reset($subscriber['id'], $last_update);
  68                 } else {
  69                         logger('Delivery error when pushing to ' . $subscriber['callback_url'] . ' HTTP: ' . $ret);
  70
  71                         PushSubscriber::delay($subscriber['id']);
  72                 }
  73         }
  74 }