src/Worker/Notifier.php

   1 <?php
   2 /**
   3  * @file src/Worker/Notifier.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\Core\Config;
   8 use Friendica\Core\Worker;
   9 use Friendica\Database\DBM;
  10 use Friendica\Model\Contact;
  11 use Friendica\Model\Group;
  12 use Friendica\Model\User;
  13 use Friendica\Network\Probe;
  14 use Friendica\Protocol\Diaspora;
  15 use Friendica\Protocol\OStatus;
  16 use Friendica\Protocol\Salmon;
  17 use dba;
  18
  19 require_once 'include/dba.php';
  20 require_once 'include/queue_fn.php';
  21 require_once 'include/html2plain.php';
  22 require_once 'include/datetime.php';
  23 require_once 'include/items.php';
  24 require_once 'include/bbcode.php';
  25
  26 /*
  27  * This file was at one time responsible for doing all deliveries, but this caused
  28  * big problems when the process was killed or stalled during the delivery process.
  29  * It now invokes separate queues that are delivering via delivery.php and pubsubpublish.php.
  30  */
  31
  32 /*
  33  * The notifier is typically called with:
  34  *
  35  *              Worker::add(PRIORITY_HIGH, "Notifier", COMMAND, ITEM_ID);
  36  *
  37  * where COMMAND is one of the following:
  38  *
  39  *              activity                                (in diaspora.php, dfrn_confirm.php, profiles.php)
  40  *              comment-import                  (in diaspora.php, items.php)
  41  *              comment-new                             (in item.php)
  42  *              drop                                    (in diaspora.php, items.php, photos.php)
  43  *              edit_post                               (in item.php)
  44  *              event                                   (in events.php)
  45  *              expire                                  (in items.php)
  46  *              like                                    (in like.php, poke.php)
  47  *              mail                                    (in message.php)
  48  *              suggest                                 (in fsuggest.php)
  49  *              tag                                             (in photos.php, poke.php, tagger.php)
  50  *              tgroup                                  (in items.php)
  51  *              wall-new                                (in photos.php, item.php)
  52  *              removeme                                (in Contact.php)
  53  *              relocate                                (in uimport.php)
  54  *
  55  * and ITEM_ID is the id of the item in the database that needs to be sent to others.
  56  */
  57
  58 class Notifier {
  59         public static function execute($cmd, $item_id) {
  60                 global $a;
  61
  62                 logger('notifier: invoked: '.$cmd.': '.$item_id, LOGGER_DEBUG);
  63
  64                 $expire = false;
  65                 $mail = false;
  66                 $fsuggest = false;
  67                 $relocate = false;
  68                 $top_level = false;
  69                 $recipients = array();
  70                 $url_recipients = array();
  71
  72                 $normal_mode = true;
  73
  74                 if ($cmd === 'mail') {
  75                         $normal_mode = false;
  76                         $mail = true;
  77                         $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  78                                         intval($item_id)
  79                         );
  80                         if (!count($message)) {
  81                                 return;
  82                         }
  83                         $uid = $message[0]['uid'];
  84                         $recipients[] = $message[0]['contact-id'];
  85                         $item = $message[0];
  86
  87                 } elseif ($cmd === 'expire') {
  88                         $normal_mode = false;
  89                         $expire = true;
  90                         $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  91                                 AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
  92                                 intval($item_id)
  93                         );
  94                         $uid = $item_id;
  95                         $item_id = 0;
  96                         if (!count($items)) {
  97                                 return;
  98                         }
  99                 } elseif ($cmd === 'suggest') {
 100                         $normal_mode = false;
 101                         $fsuggest = true;
 102
 103                         $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 104                                 intval($item_id)
 105                         );
 106                         if (!count($suggest)) {
 107                                 return;
 108                         }
 109                         $uid = $suggest[0]['uid'];
 110                         $recipients[] = $suggest[0]['cid'];
 111                         $item = $suggest[0];
 112                 } elseif ($cmd === 'removeme') {
 113                         $r = q("SELECT `contact`.*, `user`.`prvkey` AS `uprvkey`,
 114                                         `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 115                                         `user`.`page-flags`, `user`.`prvnets`, `user`.`account-type`, `user`.`guid`
 116                                 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 117                                         WHERE `contact`.`uid` = %d AND `contact`.`self` LIMIT 1",
 118                                         intval($item_id));
 119                         if (!$r) {
 120                                 return;
 121                         }
 122                         $user = $r[0];
 123
 124                         $r = q("SELECT * FROM `contact` WHERE NOT `self` AND `uid` = %d", intval($item_id));
 125                         if (!$r) {
 126                                 return;
 127                         }
 128                         foreach ($r as $contact) {
 129                                 Contact::terminateFriendship($user, $contact);
 130                         }
 131                         return;
 132                 } elseif ($cmd === 'relocate') {
 133                         $normal_mode = false;
 134                         $relocate = true;
 135                         $uid = $item_id;
 136
 137                         $recipients_relocate = q("SELECT * FROM `contact` WHERE `uid` = %d AND NOT `self` AND `network` IN ('%s', '%s')",
 138                                                 intval($uid), NETWORK_DFRN, NETWORK_DIASPORA);
 139                 } else {
 140                         // find ancestors
 141                         $target_item = dba::fetch_first("SELECT `item`.*, `contact`.`uid` AS `cuid` FROM `item`
 142                                                 INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
 143                                                 WHERE `item`.`id` = ? AND `visible` AND NOT `moderated`", $item_id);
 144
 145                         if (!DBM::is_result($target_item) || !intval($target_item['parent'])) {
 146                                 return;
 147                         }
 148
 149                         $parent_id = intval($target_item['parent']);
 150                         $uid = $target_item['cuid'];
 151                         $updated = $target_item['edited'];
 152
 153                         $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 154                                 FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d AND visible AND NOT moderated ORDER BY `id` ASC",
 155                                 intval($parent_id)
 156                         );
 157 logger('Blubb: a-'.$item_id);
 158
 159                         if (!count($items)) {
 160                                 return;
 161                         }
 162 logger('Blubb: b-'.$item_id);
 163
 164                         // avoid race condition with deleting entries
 165                         if ($items[0]['deleted']) {
 166                                 foreach ($items as $item) {
 167                                         $item['deleted'] = 1;
 168                                 }
 169                         }
 170
 171                         if ((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 172                                 logger('notifier: top level post');
 173                                 $top_level = true;
 174                         }
 175                 }
 176 logger('Blubb: 0-'.$item_id.' - '.$uid);
 177
 178                 $owner = User::getOwnerDataById($uid);
 179                 if (!$owner) {
 180                         return;
 181                 }
 182 logger('Blubb: 1-'.$item_id);
 183
 184                 $walltowall = ($top_level && ($owner['id'] != $items[0]['contact-id']) ? true : false);
 185
 186                 // Should the post be transmitted to Diaspora?
 187                 $diaspora_delivery = true;
 188
 189                 // If this is a public conversation, notify the feed hub
 190                 $public_message = true;
 191
 192                 // Do a PuSH
 193                 $push_notify = false;
 194
 195                 // Deliver directly to a forum, don't PuSH
 196                 $direct_forum_delivery = false;
 197
 198                 // fill this in with a single salmon slap if applicable
 199                 $slap = '';
 200 logger('Blubb: 2-'.$item_id);
 201
 202                 if (! ($mail || $fsuggest || $relocate)) {
 203
 204                         $slap = OStatus::salmon($target_item, $owner);
 205
 206                         $parent = $items[0];
 207 logger('Blubb: 3-'.$item_id);
 208
 209                         $thr_parent = q("SELECT `network`, `author-link`, `owner-link` FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
 210                                 dbesc($target_item["thr-parent"]), intval($target_item["uid"]));
 211
 212                         logger('GUID: '.$target_item["guid"].': Parent is '.$parent['network'].'. Thread parent is '.$thr_parent[0]['network'], LOGGER_DEBUG);
 213
 214                         // This is IMPORTANT!!!!
 215
 216                         // We will only send a "notify owner to relay" or followup message if the referenced post
 217                         // originated on our system by virtue of having our hostname somewhere
 218                         // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 219
 220                         // if $parent['wall'] == 1 we will already have the parent message in our array
 221                         // and we will relay the whole lot.
 222
 223                         // expire sends an entire group of expire messages and cannot be forwarded.
 224                         // However the conversation owner will be a part of the conversation and will
 225                         // be notified during this run.
 226                         // Other DFRN conversation members will be alerted during polled updates.
 227
 228
 229
 230                         // Diaspora members currently are not notified of expirations, and other networks have
 231                         // either limited or no ability to process deletions. We should at least fix Diaspora
 232                         // by stringing togther an array of retractions and sending them onward.
 233
 234
 235                         $localhost = str_replace('www.','',$a->get_hostname());
 236                         if (strpos($localhost,':')) {
 237                                 $localhost = substr($localhost,0,strpos($localhost,':'));
 238                         }
 239                         /**
 240                          *
 241                          * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 242                          * have been known to cause runaway conditions which affected several servers, along with
 243                          * permissions issues.
 244                          *
 245                          */
 246
 247                         $relay_to_owner = false;
 248
 249                         if (!$top_level && ($parent['wall'] == 0) && !$expire && (stristr($target_item['uri'],$localhost))) {
 250                                 $relay_to_owner = true;
 251                         }
 252
 253
 254                         if (($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && !$top_level) {
 255                                 $relay_to_owner = true;
 256                         }
 257
 258                         // until the 'origin' flag has been in use for several months
 259                         // we will just use it as a fallback test
 260                         // later we will be able to use it as the primary test of whether or not to relay.
 261
 262                         if (!$target_item['origin']) {
 263                                 $relay_to_owner = false;
 264                         }
 265                         if ($parent['origin']) {
 266                                 $relay_to_owner = false;
 267                         }
 268
 269                         // Special treatment for forum posts
 270                         if (($target_item['author-link'] != $target_item['owner-link']) &&
 271                                 ($owner['id'] != $target_item['contact-id']) &&
 272                                 ($target_item['uri'] === $target_item['parent-uri'])) {
 273
 274                                 $fields = array('forum', 'prv');
 275                                 $condition = array('id' => $target_item['contact-id']);
 276                                 $contact = dba::select('contact', $fields, $condition, array('limit' => 1));
 277                                 if (!DBM::is_result($contact)) {
 278                                         // Should never happen
 279                                         return false;
 280                                 }
 281
 282                                 // Is the post from a forum?
 283                                 if ($contact['forum'] || $contact['prv']) {
 284                                         $relay_to_owner = true;
 285                                         $direct_forum_delivery = true;
 286                                 }
 287                         }
 288                         if ($relay_to_owner) {
 289                                 // local followup to remote post
 290                                 $followup = true;
 291                                 $public_message = false; // not public
 292                                 $conversant_str = dbesc($parent['contact-id']);
 293                                 $recipients = array($parent['contact-id']);
 294                                 $recipients_followup  = array($parent['contact-id']);
 295
 296                                 logger('notifier: followup '.$target_item["guid"].' to '.$conversant_str, LOGGER_DEBUG);
 297
 298                                 //if (!$target_item['private'] && $target_item['wall'] &&
 299                                 if (!$target_item['private'] &&
 300                                         (strlen($target_item['allow_cid'].$target_item['allow_gid'].
 301                                                 $target_item['deny_cid'].$target_item['deny_gid']) == 0))
 302                                         $push_notify = true;
 303
 304                                 if (($thr_parent && ($thr_parent[0]['network'] == NETWORK_OSTATUS)) || ($parent['network'] == NETWORK_OSTATUS)) {
 305                                         $push_notify = true;
 306
 307                                         if ($parent["network"] == NETWORK_OSTATUS) {
 308                                                 // Distribute the message to the DFRN contacts as if this wasn't a followup since OStatus can't relay comments
 309                                                 // Currently it is work at progress
 310                                                 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s' AND NOT `blocked` AND NOT `pending` AND NOT `archive`",
 311                                                         intval($uid),
 312                                                         dbesc(NETWORK_DFRN)
 313                                                 );
 314                                                 if (DBM::is_result($r)) {
 315                                                         foreach ($r as $rr) {
 316                                                                 $recipients_followup[] = $rr['id'];
 317                                                         }
 318                                                 }
 319                                         }
 320                                 }
 321
 322                                 if ($direct_forum_delivery) {
 323                                         $push_notify = false;
 324                                 }
 325
 326                                 logger("Notify ".$target_item["guid"]." via PuSH: ".($push_notify?"Yes":"No"), LOGGER_DEBUG);
 327                         } else {
 328                                 $followup = false;
 329
 330                                 logger('Distributing directly '.$target_item["guid"], LOGGER_DEBUG);
 331
 332                                 // don't send deletions onward for other people's stuff
 333
 334                                 if ($target_item['deleted'] && !intval($target_item['wall'])) {
 335                                         logger('notifier: ignoring delete notification for non-wall item');
 336                                         return;
 337                                 }
 338
 339                                 if (strlen($parent['allow_cid'])
 340                                         || strlen($parent['allow_gid'])
 341                                         || strlen($parent['deny_cid'])
 342                                         || strlen($parent['deny_gid'])) {
 343                                         $public_message = false; // private recipients, not public
 344                                 }
 345
 346                                 $allow_people = expand_acl($parent['allow_cid']);
 347                                 $allow_groups = Group::expand(expand_acl($parent['allow_gid']),true);
 348                                 $deny_people  = expand_acl($parent['deny_cid']);
 349                                 $deny_groups  = Group::expand(expand_acl($parent['deny_gid']));
 350
 351                                 // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
 352                                 // a delivery fork. private groups (forum_mode == 2) do not uplink
 353
 354                                 if ((intval($parent['forum_mode']) == 1) && !$top_level && ($cmd !== 'uplink')) {
 355                                         Worker::add($a->queue['priority'], 'Notifier', 'uplink', $item_id);
 356                                 }
 357
 358                                 $conversants = array();
 359
 360                                 foreach ($items as $item) {
 361                                         $recipients[] = $item['contact-id'];
 362                                         $conversants[] = $item['contact-id'];
 363                                         // pull out additional tagged people to notify (if public message)
 364                                         if ($public_message && strlen($item['inform'])) {
 365                                                 $people = explode(',',$item['inform']);
 366                                                 foreach ($people as $person) {
 367                                                         if (substr($person,0,4) === 'cid:') {
 368                                                                 $recipients[] = intval(substr($person,4));
 369                                                                 $conversants[] = intval(substr($person,4));
 370                                                         } else {
 371                                                                 $url_recipients[] = substr($person,4);
 372                                                         }
 373                                                 }
 374                                         }
 375                                 }
 376
 377                                 if (count($url_recipients)) {
 378                                         logger('notifier: '.$target_item["guid"].' url_recipients ' . print_r($url_recipients,true));
 379                                 }
 380
 381                                 $conversants = array_unique($conversants);
 382
 383                                 $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 384                                 $deny = array_unique(array_merge($deny_people,$deny_groups));
 385                                 $recipients = array_diff($recipients,$deny);
 386
 387                                 $conversant_str = dbesc(implode(', ',$conversants));
 388                         }
 389
 390                         // If the thread parent is OStatus then do some magic to distribute the messages.
 391                         // We have not only to look at the parent, since it could be a Friendica thread.
 392                         if (($thr_parent && ($thr_parent[0]['network'] == NETWORK_OSTATUS)) || ($parent['network'] == NETWORK_OSTATUS)) {
 393                                 $diaspora_delivery = false;
 394
 395                                 logger('Some parent is OStatus for '.$target_item["guid"]." - Author: ".$thr_parent[0]['author-link']." - Owner: ".$thr_parent[0]['owner-link'], LOGGER_DEBUG);
 396
 397                                 // Send a salmon to the parent author
 398                                 $r = q("SELECT `url`, `notify` FROM `contact` WHERE `nurl`='%s' AND `uid` IN (0, %d) AND `notify` != ''",
 399                                         dbesc(normalise_link($thr_parent[0]['author-link'])),
 400                                         intval($uid));
 401                                 if (DBM::is_result($r)) {
 402                                         $probed_contact = $r[0];
 403                                 } else {
 404                                         $probed_contact = Probe::uri($thr_parent[0]['author-link']);
 405                                 }
 406
 407                                 if ($probed_contact["notify"] != "") {
 408                                         logger('Notify parent author '.$probed_contact["url"].': '.$probed_contact["notify"]);
 409                                         $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 410                                 }
 411
 412                                 // Send a salmon to the parent owner
 413                                 $r = q("SELECT `url`, `notify` FROM `contact` WHERE `nurl`='%s' AND `uid` IN (0, %d) AND `notify` != ''",
 414                                         dbesc(normalise_link($thr_parent[0]['owner-link'])),
 415                                         intval($uid));
 416                                 if (DBM::is_result($r)) {
 417                                         $probed_contact = $r[0];
 418                                 } else {
 419                                         $probed_contact = Probe::uri($thr_parent[0]['owner-link']);
 420                                 }
 421
 422                                 if ($probed_contact["notify"] != "") {
 423                                         logger('Notify parent owner '.$probed_contact["url"].': '.$probed_contact["notify"]);
 424                                         $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 425                                 }
 426
 427                                 // Send a salmon notification to every person we mentioned in the post
 428                                 $arr = explode(',',$target_item['tag']);
 429                                 foreach ($arr as $x) {
 430                                         //logger('Checking tag '.$x, LOGGER_DEBUG);
 431                                         $matches = null;
 432                                         if (preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
 433                                                         $probed_contact = Probe::uri($matches[1]);
 434                                                 if ($probed_contact["notify"] != "") {
 435                                                         logger('Notify mentioned user '.$probed_contact["url"].': '.$probed_contact["notify"]);
 436                                                         $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 437                                                 }
 438                                         }
 439                                 }
 440
 441                                 // It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
 442                                 $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."')";
 443                         } else {
 444                                 $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."', '".NETWORK_DIASPORA."', '".NETWORK_MAIL."')";
 445                         }
 446                 } else {
 447                         $public_message = false;
 448                 }
 449
 450                 // If this is a public message and pubmail is set on the parent, include all your email contacts
 451
 452                 $mail_disabled = ((function_exists('imap_open') && (!Config::get('system','imap_disabled'))) ? 0 : 1);
 453
 454                 if (!$mail_disabled) {
 455                         if (!strlen($target_item['allow_cid']) && !strlen($target_item['allow_gid'])
 456                                 && !strlen($target_item['deny_cid']) && !strlen($target_item['deny_gid'])
 457                                 && intval($target_item['pubmail'])) {
 458                                 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 459                                         intval($uid),
 460                                         dbesc(NETWORK_MAIL)
 461                                 );
 462                                 if (DBM::is_result($r)) {
 463                                         foreach ($r as $rr) {
 464                                                 $recipients[] = $rr['id'];
 465                                         }
 466                                 }
 467                         }
 468                 }
 469
 470                 if ($followup) {
 471                         $recip_str = implode(', ', $recipients_followup);
 472                 } else {
 473                         $recip_str = implode(', ', $recipients);
 474                 }
 475                 if ($relocate) {
 476                         $r = $recipients_relocate;
 477                 } else {
 478                         $r = q("SELECT `id`, `url`, `network`, `self` FROM `contact`
 479                                 WHERE `id` IN (%s) AND NOT `blocked` AND NOT `pending` AND NOT `archive`".$sql_extra,
 480                                 dbesc($recip_str)
 481                         );
 482                 }
 483
 484                 // delivery loop
 485
 486                 if (DBM::is_result($r)) {
 487                         foreach ($r as $contact) {
 488                                 if ($contact['self']) {
 489                                         continue;
 490                                 }
 491                                 logger("Deliver ".$target_item["guid"]." to ".$contact['url']." via network ".$contact['network'], LOGGER_DEBUG);
 492
 493                                 Worker::add(array('priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true),
 494                                                 'Delivery', $cmd, $item_id, (int)$contact['id']);
 495                         }
 496                 }
 497
 498                 // send salmon slaps to mentioned remote tags (@foo@example.com) in OStatus posts
 499                 // They are especially used for notifications to OStatus users that don't follow us.
 500
 501                 if ($slap && count($url_recipients) && ($public_message || $push_notify) && $normal_mode) {
 502                         if (!Config::get('system', 'dfrn_only')) {
 503                                 foreach ($url_recipients as $url) {
 504                                         if ($url) {
 505                                                 logger('notifier: urldelivery: ' . $url);
 506                                                 $deliver_status = Salmon::slapper($owner, $url, $slap);
 507                                                 /// @TODO Redeliver/queue these items on failure, though there is no contact record
 508                                         }
 509                                 }
 510                         }
 511                 }
 512
 513
 514                 if ($public_message) {
 515
 516                         $r0 = array();
 517                         $r1 = array();
 518
 519                         if ($diaspora_delivery) {
 520                                 if (!$followup) {
 521                                         $r0 = Diaspora::relayList();
 522                                 }
 523
 524                                 $r1 = q("SELECT `batch`, ANY_VALUE(`id`) AS `id`, ANY_VALUE(`name`) AS `name`, ANY_VALUE(`network`) AS `network`
 525                                         FROM `contact` WHERE `network` = '%s' AND `batch` != ''
 526                                         AND `uid` = %d AND `rel` != %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` GROUP BY `batch`",
 527                                         dbesc(NETWORK_DIASPORA),
 528                                         intval($owner['uid']),
 529                                         intval(CONTACT_IS_SHARING)
 530                                 );
 531                         }
 532
 533                         $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 534                                 WHERE `network` in ('%s') AND `uid` = %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` AND `rel` != %d",
 535                                 dbesc(NETWORK_DFRN),
 536                                 intval($owner['uid']),
 537                                 intval(CONTACT_IS_SHARING)
 538                         );
 539
 540                         $r = array_merge($r2,$r1,$r0);
 541
 542                         if (DBM::is_result($r)) {
 543                                 logger('pubdeliver '.$target_item["guid"].': '.print_r($r,true), LOGGER_DEBUG);
 544
 545                                 foreach ($r as $rr) {
 546
 547                                         // except for Diaspora batch jobs
 548                                         // Don't deliver to folks who have already been delivered to
 549
 550                                         if (($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 551                                                 logger('notifier: already delivered id=' . $rr['id']);
 552                                                 continue;
 553                                         }
 554
 555                                         if (!$mail && !$fsuggest && !$followup) {
 556                                                 logger('notifier: delivery agent: '.$rr['name'].' '.$rr['id'].' '.$rr['network'].' '.$target_item["guid"]);
 557                                                 Worker::add(array('priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true),
 558                                                                 'Delivery', $cmd, $item_id, (int)$rr['id']);
 559                                         }
 560                                 }
 561                         }
 562
 563                         $push_notify = true;
 564
 565                 }
 566
 567                 // Notify PuSH subscribers (Used for OStatus distribution of regular posts)
 568                 if ($push_notify) {
 569                         // Set push flag for PuSH subscribers to this topic,
 570                         // they will be notified in queue.php
 571                         q("UPDATE `push_subscriber` SET `push` = 1 ".
 572                           "WHERE `nickname` = '%s' AND `push` = 0", dbesc($owner['nickname']));
 573
 574                         logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
 575
 576                         // Handling the pubsubhubbub requests
 577                         Worker::add(array('priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true),
 578                                         'PubSubPublish');
 579                 }
 580
 581                 logger('notifier: calling hooks', LOGGER_DEBUG);
 582
 583                 if ($normal_mode) {
 584                         call_hooks('notifier_normal',$target_item);
 585                 }
 586
 587                 call_hooks('notifier_end',$target_item);
 588
 589                 return;
 590         }
 591 }