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\Network\Probe;
  13 use Friendica\Protocol\Diaspora;
  14 use Friendica\Protocol\OStatus;
  15 use Friendica\Protocol\Salmon;
  16 use dba;
  17
  18 require_once 'include/queue_fn.php';
  19 require_once 'include/html2plain.php';
  20 require_once 'include/datetime.php';
  21 require_once 'include/items.php';
  22 require_once 'include/bbcode.php';
  23
  24 /*
  25  * This file was at one time responsible for doing all deliveries, but this caused
  26  * big problems when the process was killed or stalled during the delivery process.
  27  * It now invokes separate queues that are delivering via delivery.php and pubsubpublish.php.
  28  */
  29
  30 /*
  31  * The notifier is typically called with:
  32  *
  33  *              Worker::add(PRIORITY_HIGH, "Notifier", COMMAND, ITEM_ID);
  34  *
  35  * where COMMAND is one of the following:
  36  *
  37  *              activity                                (in diaspora.php, dfrn_confirm.php, profiles.php)
  38  *              comment-import                  (in diaspora.php, items.php)
  39  *              comment-new                             (in item.php)
  40  *              drop                                    (in diaspora.php, items.php, photos.php)
  41  *              edit_post                               (in item.php)
  42  *              event                                   (in events.php)
  43  *              expire                                  (in items.php)
  44  *              like                                    (in like.php, poke.php)
  45  *              mail                                    (in message.php)
  46  *              suggest                                 (in fsuggest.php)
  47  *              tag                                             (in photos.php, poke.php, tagger.php)
  48  *              tgroup                                  (in items.php)
  49  *              wall-new                                (in photos.php, item.php)
  50  *              removeme                                (in Contact.php)
  51  *              relocate                                (in uimport.php)
  52  *
  53  * and ITEM_ID is the id of the item in the database that needs to be sent to others.
  54  */
  55
  56 class Notifier {
  57         public static function execute($cmd, $item_id) {
  58                 global $a;
  59
  60                 logger('notifier: invoked: '.$cmd.': '.$item_id, LOGGER_DEBUG);
  61
  62                 $expire = false;
  63                 $mail = false;
  64                 $fsuggest = false;
  65                 $relocate = false;
  66                 $top_level = false;
  67                 $recipients = array();
  68                 $url_recipients = array();
  69
  70                 $normal_mode = true;
  71
  72                 if ($cmd === 'mail') {
  73                         $normal_mode = false;
  74                         $mail = true;
  75                         $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  76                                         intval($item_id)
  77                         );
  78                         if (! count($message)) {
  79                                 return;
  80                         }
  81                         $uid = $message[0]['uid'];
  82                         $recipients[] = $message[0]['contact-id'];
  83                         $item = $message[0];
  84
  85                 } elseif ($cmd === 'expire') {
  86                         $normal_mode = false;
  87                         $expire = true;
  88                         $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  89                                 AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
  90                                 intval($item_id)
  91                         );
  92                         $uid = $item_id;
  93                         $item_id = 0;
  94                         if (! count($items)) {
  95                                 return;
  96                         }
  97                 } elseif ($cmd === 'suggest') {
  98                         $normal_mode = false;
  99                         $fsuggest = true;
 100
 101                         $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 102                                 intval($item_id)
 103                         );
 104                         if (! count($suggest)) {
 105                                 return;
 106                         }
 107                         $uid = $suggest[0]['uid'];
 108                         $recipients[] = $suggest[0]['cid'];
 109                         $item = $suggest[0];
 110                 } elseif ($cmd === 'removeme') {
 111                         $r = q("SELECT `contact`.*, `user`.`prvkey` AS `uprvkey`,
 112                                         `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 113                                         `user`.`page-flags`, `user`.`prvnets`, `user`.`account-type`, `user`.`guid`
 114                                 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 115                                         WHERE `contact`.`uid` = %d AND `contact`.`self` LIMIT 1",
 116                                         intval($item_id));
 117                         if (!$r)
 118                                 return;
 119
 120                         $user = $r[0];
 121
 122                         $r = q("SELECT * FROM `contact` WHERE NOT `self` AND `uid` = %d", intval($item_id));
 123                         if (!$r) {
 124                                 return;
 125                         }
 126                         foreach ($r as $contact) {
 127                                 Contact::terminateFriendship($user, $contact);
 128                         }
 129                         return;
 130                 } elseif ($cmd === 'relocate') {
 131                         $normal_mode = false;
 132                         $relocate = true;
 133                         $uid = $item_id;
 134
 135                         $recipients_relocate = q("SELECT * FROM `contact` WHERE `uid` = %d AND NOT `self` AND `network` IN ('%s', '%s')",
 136                                                 intval($uid), NETWORK_DFRN, NETWORK_DIASPORA);
 137                 } else {
 138                         // find ancestors
 139                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND visible = 1 AND moderated = 0 LIMIT 1",
 140                                 intval($item_id)
 141                         );
 142
 143                         if ((! DBM::is_result($r)) || (! intval($r[0]['parent']))) {
 144                                 return;
 145                         }
 146
 147                         $target_item = $r[0];
 148                         $parent_id = intval($r[0]['parent']);
 149                         $uid = $r[0]['uid'];
 150                         $updated = $r[0]['edited'];
 151
 152                         $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 153                                 FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d AND visible = 1 AND moderated = 0 ORDER BY `id` ASC",
 154                                 intval($parent_id)
 155                         );
 156
 157                         if (! count($items)) {
 158                                 return;
 159                         }
 160
 161                         // avoid race condition with deleting entries
 162
 163                         if ($items[0]['deleted']) {
 164                                 foreach ($items as $item) {
 165                                         $item['deleted'] = 1;
 166                                 }
 167                         }
 168
 169                         if ((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 170                                 logger('notifier: top level post');
 171                                 $top_level = true;
 172                         }
 173
 174                 }
 175
 176                 $r = q("SELECT `contact`.*, `user`.`prvkey` AS `uprvkey`,
 177                         `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 178                         `user`.`page-flags`, `user`.`prvnets`, `user`.`account-type`
 179                         FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 180                         WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 181                         intval($uid)
 182                 );
 183
 184                 if (! DBM::is_result($r)) {
 185                         return;
 186                 }
 187
 188                 $owner = $r[0];
 189
 190                 $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 191
 192                 // Should the post be transmitted to Diaspora?
 193                 $diaspora_delivery = true;
 194
 195                 // If this is a public conversation, notify the feed hub
 196                 $public_message = true;
 197
 198                 // Do a PuSH
 199                 $push_notify = false;
 200
 201                 // Deliver directly to a forum, don't PuSH
 202                 $direct_forum_delivery = false;
 203
 204                 // fill this in with a single salmon slap if applicable
 205                 $slap = '';
 206
 207                 if (! ($mail || $fsuggest || $relocate)) {
 208
 209                         $slap = OStatus::salmon($target_item, $owner);
 210
 211                         $parent = $items[0];
 212
 213                         $thr_parent = q("SELECT `network`, `author-link`, `owner-link` FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
 214                                 dbesc($target_item["thr-parent"]), intval($target_item["uid"]));
 215
 216                         logger('GUID: '.$target_item["guid"].': Parent is '.$parent['network'].'. Thread parent is '.$thr_parent[0]['network'], LOGGER_DEBUG);
 217
 218                         // This is IMPORTANT!!!!
 219
 220                         // We will only send a "notify owner to relay" or followup message if the referenced post
 221                         // originated on our system by virtue of having our hostname somewhere
 222                         // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 223
 224                         // if $parent['wall'] == 1 we will already have the parent message in our array
 225                         // and we will relay the whole lot.
 226
 227                         // expire sends an entire group of expire messages and cannot be forwarded.
 228                         // However the conversation owner will be a part of the conversation and will
 229                         // be notified during this run.
 230                         // Other DFRN conversation members will be alerted during polled updates.
 231
 232
 233
 234                         // Diaspora members currently are not notified of expirations, and other networks have
 235                         // either limited or no ability to process deletions. We should at least fix Diaspora
 236                         // by stringing togther an array of retractions and sending them onward.
 237
 238
 239                         $localhost = str_replace('www.','',$a->get_hostname());
 240                         if (strpos($localhost,':')) {
 241                                 $localhost = substr($localhost,0,strpos($localhost,':'));
 242                         }
 243                         /**
 244                          *
 245                          * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 246                          * have been known to cause runaway conditions which affected several servers, along with
 247                          * permissions issues.
 248                          *
 249                          */
 250
 251                         $relay_to_owner = false;
 252
 253                         if (!$top_level && ($parent['wall'] == 0) && !$expire && (stristr($target_item['uri'],$localhost))) {
 254                                 $relay_to_owner = true;
 255                         }
 256
 257
 258                         if (($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && !$top_level) {
 259                                 $relay_to_owner = true;
 260                         }
 261
 262                         // until the 'origin' flag has been in use for several months
 263                         // we will just use it as a fallback test
 264                         // later we will be able to use it as the primary test of whether or not to relay.
 265
 266                         if (! $target_item['origin']) {
 267                                 $relay_to_owner = false;
 268                         }
 269                         if ($parent['origin']) {
 270                                 $relay_to_owner = false;
 271                         }
 272
 273                         // Special treatment for forum posts
 274                         if (($target_item['author-link'] != $target_item['owner-link']) &&
 275                                 ($owner['id'] != $target_item['contact-id']) &&
 276                                 ($target_item['uri'] === $target_item['parent-uri'])) {
 277
 278                                 $fields = array('forum', 'prv');
 279                                 $condition = array('id' => $target_item['contact-id']);
 280                                 $contact = dba::select('contact', $fields, $condition, array('limit' => 1));
 281                                 if (!DBM::is_result($contact)) {
 282                                         // Should never happen
 283                                         return false;
 284                                 }
 285
 286                                 // Is the post from a forum?
 287                                 if ($contact['forum'] || $contact['prv']) {
 288                                         $relay_to_owner = true;
 289                                         $direct_forum_delivery = true;
 290                                 }
 291                         }
 292                         if ($relay_to_owner) {
 293                                 logger('notifier: followup '.$target_item["guid"], LOGGER_DEBUG);
 294                                 // local followup to remote post
 295                                 $followup = true;
 296                                 $public_message = false; // not public
 297                                 $conversant_str = dbesc($parent['contact-id']);
 298                                 $recipients = array($parent['contact-id']);
 299                                 $recipients_followup  = array($parent['contact-id']);
 300
 301                                 //if (!$target_item['private'] && $target_item['wall'] &&
 302                                 if (!$target_item['private'] &&
 303                                         (strlen($target_item['allow_cid'].$target_item['allow_gid'].
 304                                                 $target_item['deny_cid'].$target_item['deny_gid']) == 0))
 305                                         $push_notify = true;
 306
 307                                 if (($thr_parent && ($thr_parent[0]['network'] == NETWORK_OSTATUS)) || ($parent['network'] == NETWORK_OSTATUS)) {
 308
 309                                         $push_notify = true;
 310
 311                                         if ($parent["network"] == NETWORK_OSTATUS) {
 312                                                 // Distribute the message to the DFRN contacts as if this wasn't a followup since OStatus can't relay comments
 313                                                 // Currently it is work at progress
 314                                                 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s' AND NOT `blocked` AND NOT `pending` AND NOT `archive`",
 315                                                         intval($uid),
 316                                                         dbesc(NETWORK_DFRN)
 317                                                 );
 318                                                 if (DBM::is_result($r)) {
 319                                                         foreach ($r as $rr) {
 320                                                                 $recipients_followup[] = $rr['id'];
 321                                                         }
 322                                                 }
 323                                         }
 324                                 }
 325
 326                                 if ($direct_forum_delivery) {
 327                                         $push_notify = false;
 328                                 }
 329
 330                                 logger("Notify ".$target_item["guid"]." via PuSH: ".($push_notify?"Yes":"No"), LOGGER_DEBUG);
 331                         } else {
 332                                 $followup = false;
 333
 334                                 logger('Distributing directly '.$target_item["guid"], LOGGER_DEBUG);
 335
 336                                 // don't send deletions onward for other people's stuff
 337
 338                                 if ($target_item['deleted'] && (! intval($target_item['wall']))) {
 339                                         logger('notifier: ignoring delete notification for non-wall item');
 340                                         return;
 341                                 }
 342
 343                                 if ((strlen($parent['allow_cid']))
 344                                         || (strlen($parent['allow_gid']))
 345                                         || (strlen($parent['deny_cid']))
 346                                         || (strlen($parent['deny_gid']))) {
 347                                         $public_message = false; // private recipients, not public
 348                                 }
 349
 350                                 $allow_people = expand_acl($parent['allow_cid']);
 351                                 $allow_groups = Group::expand(expand_acl($parent['allow_gid']),true);
 352                                 $deny_people  = expand_acl($parent['deny_cid']);
 353                                 $deny_groups  = Group::expand(expand_acl($parent['deny_gid']));
 354
 355                                 // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
 356                                 // a delivery fork. private groups (forum_mode == 2) do not uplink
 357
 358                                 if ((intval($parent['forum_mode']) == 1) && (! $top_level) && ($cmd !== 'uplink')) {
 359                                         Worker::add($a->queue['priority'], 'Notifier', 'uplink', $item_id);
 360                                 }
 361
 362                                 $conversants = array();
 363
 364                                 foreach ($items as $item) {
 365                                         $recipients[] = $item['contact-id'];
 366                                         $conversants[] = $item['contact-id'];
 367                                         // pull out additional tagged people to notify (if public message)
 368                                         if ($public_message && strlen($item['inform'])) {
 369                                                 $people = explode(',',$item['inform']);
 370                                                 foreach ($people as $person) {
 371                                                         if (substr($person,0,4) === 'cid:') {
 372                                                                 $recipients[] = intval(substr($person,4));
 373                                                                 $conversants[] = intval(substr($person,4));
 374                                                         } else {
 375                                                                 $url_recipients[] = substr($person,4);
 376                                                         }
 377                                                 }
 378                                         }
 379                                 }
 380
 381                                 if (count($url_recipients))
 382                                         logger('notifier: '.$target_item["guid"].' url_recipients ' . print_r($url_recipients,true));
 383
 384                                 $conversants = array_unique($conversants);
 385
 386
 387                                 $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 388                                 $deny = array_unique(array_merge($deny_people,$deny_groups));
 389                                 $recipients = array_diff($recipients,$deny);
 390
 391                                 $conversant_str = dbesc(implode(', ',$conversants));
 392                         }
 393
 394                         // If the thread parent is OStatus then do some magic to distribute the messages.
 395                         // We have not only to look at the parent, since it could be a Friendica thread.
 396                         if (($thr_parent && ($thr_parent[0]['network'] == NETWORK_OSTATUS)) || ($parent['network'] == NETWORK_OSTATUS)) {
 397
 398                                 $diaspora_delivery = false;
 399
 400                                 logger('Some parent is OStatus for '.$target_item["guid"]." - Author: ".$thr_parent[0]['author-link']." - Owner: ".$thr_parent[0]['owner-link'], LOGGER_DEBUG);
 401
 402                                 // Send a salmon to the parent author
 403                                 $r = q("SELECT `url`, `notify` FROM `contact` WHERE `nurl`='%s' AND `uid` IN (0, %d) AND `notify` != ''",
 404                                         dbesc(normalise_link($thr_parent[0]['author-link'])),
 405                                         intval($uid));
 406                                 if (DBM::is_result($r)) {
 407                                         $probed_contact = $r[0];
 408                                 } else {
 409                                         $probed_contact = Probe::uri($thr_parent[0]['author-link']);
 410                                 }
 411
 412                                 if ($probed_contact["notify"] != "") {
 413                                         logger('Notify parent author '.$probed_contact["url"].': '.$probed_contact["notify"]);
 414                                         $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 415                                 }
 416
 417                                 // Send a salmon to the parent owner
 418                                 $r = q("SELECT `url`, `notify` FROM `contact` WHERE `nurl`='%s' AND `uid` IN (0, %d) AND `notify` != ''",
 419                                         dbesc(normalise_link($thr_parent[0]['owner-link'])),
 420                                         intval($uid));
 421                                 if (DBM::is_result($r)) {
 422                                         $probed_contact = $r[0];
 423                                 } else {
 424                                         $probed_contact = Probe::uri($thr_parent[0]['owner-link']);
 425                                 }
 426
 427                                 if ($probed_contact["notify"] != "") {
 428                                         logger('Notify parent owner '.$probed_contact["url"].': '.$probed_contact["notify"]);
 429                                         $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 430                                 }
 431
 432                                 // Send a salmon notification to every person we mentioned in the post
 433                                 $arr = explode(',',$target_item['tag']);
 434                                 foreach ($arr as $x) {
 435                                         //logger('Checking tag '.$x, LOGGER_DEBUG);
 436                                         $matches = null;
 437                                         if (preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
 438                                                         $probed_contact = Probe::uri($matches[1]);
 439                                                 if ($probed_contact["notify"] != "") {
 440                                                         logger('Notify mentioned user '.$probed_contact["url"].': '.$probed_contact["notify"]);
 441                                                         $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 442                                                 }
 443                                         }
 444                                 }
 445
 446                                 // It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
 447                                 $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."')";
 448                         } else {
 449                                 $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."', '".NETWORK_DIASPORA."', '".NETWORK_MAIL."')";
 450                         }
 451                 } else {
 452                         $public_message = false;
 453                 }
 454
 455                 // If this is a public message and pubmail is set on the parent, include all your email contacts
 456
 457                 $mail_disabled = ((function_exists('imap_open') && (!Config::get('system','imap_disabled'))) ? 0 : 1);
 458
 459                 if (! $mail_disabled) {
 460                         if ((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 461                                 && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 462                                 && (intval($target_item['pubmail']))) {
 463                                 $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 464                                         intval($uid),
 465                                         dbesc(NETWORK_MAIL)
 466                                 );
 467                                 if (DBM::is_result($r)) {
 468                                         foreach ($r as $rr) {
 469                                                 $recipients[] = $rr['id'];
 470                                         }
 471                                 }
 472                         }
 473                 }
 474
 475                 if ($followup) {
 476                         $recip_str = implode(', ', $recipients_followup);
 477                 } else {
 478                         $recip_str = implode(', ', $recipients);
 479                 }
 480                 if ($relocate) {
 481                         $r = $recipients_relocate;
 482                 } else {
 483                         $r = q("SELECT `id`, `url`, `network`, `self` FROM `contact`
 484                                 WHERE `id` IN (%s) AND NOT `blocked` AND NOT `pending` AND NOT `archive`".$sql_extra,
 485                                 dbesc($recip_str)
 486                         );
 487                 }
 488
 489                 // delivery loop
 490
 491                 if (DBM::is_result($r)) {
 492                         foreach ($r as $contact) {
 493                                 if ($contact['self']) {
 494                                         continue;
 495                                 }
 496                                 logger("Deliver ".$target_item["guid"]." to ".$contact['url']." via network ".$contact['network'], LOGGER_DEBUG);
 497
 498                                 Worker::add(array('priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true),
 499                                                 'Delivery', $cmd, $item_id, (int)$contact['id']);
 500                         }
 501                 }
 502
 503                 // send salmon slaps to mentioned remote tags (@foo@example.com) in OStatus posts
 504                 // They are especially used for notifications to OStatus users that don't follow us.
 505
 506                 if ($slap && count($url_recipients) && ($public_message || $push_notify) && $normal_mode) {
 507                         if (!Config::get('system', 'dfrn_only')) {
 508                                 foreach ($url_recipients as $url) {
 509                                         if ($url) {
 510                                                 logger('notifier: urldelivery: ' . $url);
 511                                                 $deliver_status = Salmon::slapper($owner, $url, $slap);
 512                                                 /// @TODO Redeliver/queue these items on failure, though there is no contact record
 513                                         }
 514                                 }
 515                         }
 516                 }
 517
 518
 519                 if ($public_message) {
 520
 521                         $r0 = array();
 522                         $r1 = array();
 523
 524                         if ($diaspora_delivery) {
 525                                 if (!$followup) {
 526                                         $r0 = Diaspora::relayList();
 527                                 }
 528
 529                                 $r1 = q("SELECT `batch`, ANY_VALUE(`id`) AS `id`, ANY_VALUE(`name`) AS `name`, ANY_VALUE(`network`) AS `network`
 530                                         FROM `contact` WHERE `network` = '%s' AND `batch` != ''
 531                                         AND `uid` = %d AND `rel` != %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` GROUP BY `batch`",
 532                                         dbesc(NETWORK_DIASPORA),
 533                                         intval($owner['uid']),
 534                                         intval(CONTACT_IS_SHARING)
 535                                 );
 536                         }
 537
 538                         $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 539                                 WHERE `network` in ('%s') AND `uid` = %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` AND `rel` != %d",
 540                                 dbesc(NETWORK_DFRN),
 541                                 intval($owner['uid']),
 542                                 intval(CONTACT_IS_SHARING)
 543                         );
 544
 545                         $r = array_merge($r2,$r1,$r0);
 546
 547                         if (DBM::is_result($r)) {
 548                                 logger('pubdeliver '.$target_item["guid"].': '.print_r($r,true), LOGGER_DEBUG);
 549
 550                                 foreach ($r as $rr) {
 551
 552                                         // except for Diaspora batch jobs
 553                                         // Don't deliver to folks who have already been delivered to
 554
 555                                         if (($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 556                                                 logger('notifier: already delivered id=' . $rr['id']);
 557                                                 continue;
 558                                         }
 559
 560                                         if ((! $mail) && (! $fsuggest) && (! $followup)) {
 561                                                 logger('notifier: delivery agent: '.$rr['name'].' '.$rr['id'].' '.$rr['network'].' '.$target_item["guid"]);
 562                                                 Worker::add(array('priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true),
 563                                                                 'Delivery', $cmd, $item_id, (int)$rr['id']);
 564                                         }
 565                                 }
 566                         }
 567
 568                         $push_notify = true;
 569
 570                 }
 571
 572                 // Notify PuSH subscribers (Used for OStatus distribution of regular posts)
 573                 if ($push_notify) {
 574                         // Set push flag for PuSH subscribers to this topic,
 575                         // they will be notified in queue.php
 576                         q("UPDATE `push_subscriber` SET `push` = 1 ".
 577                           "WHERE `nickname` = '%s' AND `push` = 0", dbesc($owner['nickname']));
 578
 579                         logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
 580
 581                         // Handling the pubsubhubbub requests
 582                         Worker::add(array('priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true),
 583                                         'PubSubPublish');
 584                 }
 585
 586                 logger('notifier: calling hooks', LOGGER_DEBUG);
 587
 588                 if ($normal_mode) {
 589                         call_hooks('notifier_normal',$target_item);
 590                 }
 591
 592                 call_hooks('notifier_end',$target_item);
 593
 594                 return;
 595         }
 596 }