include/notifier.php

   1 <?php
   2
   3 use Friendica\App;
   4 use Friendica\Core\Config;
   5 use Friendica\Core\Worker;
   6 use Friendica\Network\Probe;
   7 use Friendica\Protocol\Diaspora;
   8
   9 require_once 'include/queue_fn.php';
  10 require_once 'include/html2plain.php';
  11 require_once 'include/ostatus.php';
  12 require_once 'include/salmon.php';
  13
  14 /*
  15  * This file was at one time responsible for doing all deliveries, but this caused
  16  * big problems when the process was killed or stalled during the delivery process.
  17  * It now invokes separate queues that are delivering via delivery.php and pubsubpublish.php.
  18  */
  19
  20 /*
  21  * The notifier is typically called with:
  22  *
  23  *              Worker::add(PRIORITY_HIGH, "notifier", COMMAND, ITEM_ID);
  24  *
  25  * where COMMAND is one of the following:
  26  *
  27  *              activity                                (in diaspora.php, dfrn_confirm.php, profiles.php)
  28  *              comment-import                  (in diaspora.php, items.php)
  29  *              comment-new                             (in item.php)
  30  *              drop                                    (in diaspora.php, items.php, photos.php)
  31  *              edit_post                               (in item.php)
  32  *              event                                   (in events.php)
  33  *              expire                                  (in items.php)
  34  *              like                                    (in like.php, poke.php)
  35  *              mail                                    (in message.php)
  36  *              suggest                                 (in fsuggest.php)
  37  *              tag                                             (in photos.php, poke.php, tagger.php)
  38  *              tgroup                                  (in items.php)
  39  *              wall-new                                (in photos.php, item.php)
  40  *              removeme                                (in Contact.php)
  41  *              relocate                                (in uimport.php)
  42  *
  43  * and ITEM_ID is the id of the item in the database that needs to be sent to others.
  44  */
  45
  46
  47 function notifier_run(&$argv, &$argc){
  48         global $a;
  49
  50         require_once 'include/datetime.php';
  51         require_once 'include/items.php';
  52         require_once 'include/bbcode.php';
  53         require_once 'include/email.php';
  54
  55         if ($argc < 3) {
  56                 return;
  57         }
  58
  59         logger('notifier: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  60
  61         $cmd = $argv[1];
  62
  63         switch($cmd) {
  64                 case 'mail':
  65                 default:
  66                         $item_id = intval($argv[2]);
  67                         if (! $item_id) {
  68                                 return;
  69                         }
  70                         break;
  71         }
  72
  73         $expire = false;
  74         $mail = false;
  75         $fsuggest = false;
  76         $relocate = false;
  77         $top_level = false;
  78         $recipients = array();
  79         $url_recipients = array();
  80
  81         $normal_mode = true;
  82
  83         if ($cmd === 'mail') {
  84                 $normal_mode = false;
  85                 $mail = true;
  86                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  87                                 intval($item_id)
  88                 );
  89                 if (! count($message)) {
  90                         return;
  91                 }
  92                 $uid = $message[0]['uid'];
  93                 $recipients[] = $message[0]['contact-id'];
  94                 $item = $message[0];
  95
  96         } elseif ($cmd === 'expire') {
  97                 $normal_mode = false;
  98                 $expire = true;
  99                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
 100                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
 101                         intval($item_id)
 102                 );
 103                 $uid = $item_id;
 104                 $item_id = 0;
 105                 if (! count($items)) {
 106                         return;
 107                 }
 108         } elseif ($cmd === 'suggest') {
 109                 $normal_mode = false;
 110                 $fsuggest = true;
 111
 112                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 113                         intval($item_id)
 114                 );
 115                 if (! count($suggest)) {
 116                         return;
 117                 }
 118                 $uid = $suggest[0]['uid'];
 119                 $recipients[] = $suggest[0]['cid'];
 120                 $item = $suggest[0];
 121         } elseif ($cmd === 'removeme') {
 122                 $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 123                                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 124                                 `user`.`page-flags`, `user`.`prvnets`, `user`.`account-type`, `user`.`guid`
 125                         FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 126                                 WHERE `contact`.`uid` = %d AND `contact`.`self` LIMIT 1",
 127                                 intval($item_id));
 128                 if (!$r)
 129                         return;
 130
 131                 $user = $r[0];
 132
 133                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1", intval($item_id));
 134                 if (!$r)
 135                         return;
 136
 137                 $self = $r[0];
 138
 139                 $r = q("SELECT * FROM `contact` WHERE NOT `self` AND `uid` = %d", intval($item_id));
 140                 if (!$r) {
 141                         return;
 142                 }
 143                 require_once 'include/Contact.php';
 144                 foreach ($r as $contact) {
 145                         terminate_friendship($user, $self, $contact);
 146                 }
 147                 return;
 148         } elseif ($cmd === 'relocate') {
 149                 $normal_mode = false;
 150                 $relocate = true;
 151                 $uid = $item_id;
 152
 153                 $recipients_relocate = q("SELECT * FROM `contact` WHERE `uid` = %d AND NOT `self` AND `network` IN ('%s', '%s')",
 154                                         intval($uid), NETWORK_DFRN, NETWORK_DIASPORA);
 155         } else {
 156                 // find ancestors
 157                 $r = q("SELECT * FROM `item` WHERE `id` = %d AND visible = 1 AND moderated = 0 LIMIT 1",
 158                         intval($item_id)
 159                 );
 160
 161                 if ((! dbm::is_result($r)) || (! intval($r[0]['parent']))) {
 162                         return;
 163                 }
 164
 165                 $target_item = $r[0];
 166                 $parent_id = intval($r[0]['parent']);
 167                 $uid = $r[0]['uid'];
 168                 $updated = $r[0]['edited'];
 169
 170                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 171                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d AND visible = 1 AND moderated = 0 ORDER BY `id` ASC",
 172                         intval($parent_id)
 173                 );
 174
 175                 if (! count($items)) {
 176                         return;
 177                 }
 178
 179                 // avoid race condition with deleting entries
 180
 181                 if ($items[0]['deleted']) {
 182                         foreach ($items as $item) {
 183                                 $item['deleted'] = 1;
 184                         }
 185                 }
 186
 187                 if ((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 188                         logger('notifier: top level post');
 189                         $top_level = true;
 190                 }
 191
 192         }
 193
 194         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 195                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 196                 `user`.`page-flags`, `user`.`prvnets`, `user`.`account-type`
 197                 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 198                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 199                 intval($uid)
 200         );
 201
 202         if (! dbm::is_result($r)) {
 203                 return;
 204         }
 205
 206         $owner = $r[0];
 207
 208         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 209
 210         // Should the post be transmitted to Diaspora?
 211         $diaspora_delivery = true;
 212
 213         // If this is a public conversation, notify the feed hub
 214         $public_message = true;
 215
 216         // Do a PuSH
 217         $push_notify = false;
 218
 219         // Deliver directly to a forum, don't PuSH
 220         $direct_forum_delivery = false;
 221
 222         // fill this in with a single salmon slap if applicable
 223         $slap = '';
 224
 225         if (! ($mail || $fsuggest || $relocate)) {
 226
 227                 $slap = ostatus::salmon($target_item,$owner);
 228
 229                 require_once 'include/group.php';
 230
 231                 $parent = $items[0];
 232
 233                 $thr_parent = q("SELECT `network`, `author-link`, `owner-link` FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
 234                         dbesc($target_item["thr-parent"]), intval($target_item["uid"]));
 235
 236                 logger('GUID: '.$target_item["guid"].': Parent is '.$parent['network'].'. Thread parent is '.$thr_parent[0]['network'], LOGGER_DEBUG);
 237
 238                 // This is IMPORTANT!!!!
 239
 240                 // We will only send a "notify owner to relay" or followup message if the referenced post
 241                 // originated on our system by virtue of having our hostname somewhere
 242                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 243
 244                 // if $parent['wall'] == 1 we will already have the parent message in our array
 245                 // and we will relay the whole lot.
 246
 247                 // expire sends an entire group of expire messages and cannot be forwarded.
 248                 // However the conversation owner will be a part of the conversation and will
 249                 // be notified during this run.
 250                 // Other DFRN conversation members will be alerted during polled updates.
 251
 252
 253
 254                 // Diaspora members currently are not notified of expirations, and other networks have
 255                 // either limited or no ability to process deletions. We should at least fix Diaspora
 256                 // by stringing togther an array of retractions and sending them onward.
 257
 258
 259                 $localhost = str_replace('www.','',$a->get_hostname());
 260                 if (strpos($localhost,':')) {
 261                         $localhost = substr($localhost,0,strpos($localhost,':'));
 262                 }
 263                 /**
 264                  *
 265                  * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 266                  * have been known to cause runaway conditions which affected several servers, along with
 267                  * permissions issues.
 268                  *
 269                  */
 270
 271                 $relay_to_owner = false;
 272
 273                 if (!$top_level && ($parent['wall'] == 0) && !$expire && (stristr($target_item['uri'],$localhost))) {
 274                         $relay_to_owner = true;
 275                 }
 276
 277
 278                 if (($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && !$top_level) {
 279                         $relay_to_owner = true;
 280                 }
 281
 282                 // until the 'origin' flag has been in use for several months
 283                 // we will just use it as a fallback test
 284                 // later we will be able to use it as the primary test of whether or not to relay.
 285
 286                 if (! $target_item['origin']) {
 287                         $relay_to_owner = false;
 288                 }
 289                 if ($parent['origin']) {
 290                         $relay_to_owner = false;
 291                 }
 292
 293                 // Special treatment for forum posts
 294                 if (($target_item['author-link'] != $target_item['owner-link']) &&
 295                         ($owner['id'] != $target_item['contact-id']) &&
 296                         ($target_item['uri'] === $target_item['parent-uri'])) {
 297
 298                         $fields = array('forum', 'prv');
 299                         $condition = array('id' => $target_item['contact-id']);
 300                         $contact = dba::select('contact', $fields, $condition, array('limit' => 1));
 301                         if (!dbm::is_result($contact)) {
 302                                 // Should never happen
 303                                 return false;
 304                         }
 305
 306                         // Is the post from a forum?
 307                         if ($contact['forum'] || $contact['prv']) {
 308                                 $relay_to_owner = true;
 309                                 $direct_forum_delivery = true;
 310                         }
 311                 }
 312                 if ($relay_to_owner) {
 313                         logger('notifier: followup '.$target_item["guid"], LOGGER_DEBUG);
 314                         // local followup to remote post
 315                         $followup = true;
 316                         $public_message = false; // not public
 317                         $conversant_str = dbesc($parent['contact-id']);
 318                         $recipients = array($parent['contact-id']);
 319                         $recipients_followup  = array($parent['contact-id']);
 320
 321                         //if (!$target_item['private'] && $target_item['wall'] &&
 322                         if (!$target_item['private'] &&
 323                                 (strlen($target_item['allow_cid'].$target_item['allow_gid'].
 324                                         $target_item['deny_cid'].$target_item['deny_gid']) == 0))
 325                                 $push_notify = true;
 326
 327                         if (($thr_parent && ($thr_parent[0]['network'] == NETWORK_OSTATUS)) || ($parent['network'] == NETWORK_OSTATUS)) {
 328
 329                                 $push_notify = true;
 330
 331                                 if ($parent["network"] == NETWORK_OSTATUS) {
 332                                         // Distribute the message to the DFRN contacts as if this wasn't a followup since OStatus can't relay comments
 333                                         // Currently it is work at progress
 334                                         $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s' AND NOT `blocked` AND NOT `pending` AND NOT `archive`",
 335                                                 intval($uid),
 336                                                 dbesc(NETWORK_DFRN)
 337                                         );
 338                                         if (dbm::is_result($r)) {
 339                                                 foreach ($r as $rr) {
 340                                                         $recipients_followup[] = $rr['id'];
 341                                                 }
 342                                         }
 343                                 }
 344                         }
 345
 346                         if ($direct_forum_delivery) {
 347                                 $push_notify = false;
 348                         }
 349
 350                         logger("Notify ".$target_item["guid"]." via PuSH: ".($push_notify?"Yes":"No"), LOGGER_DEBUG);
 351                 } else {
 352                         $followup = false;
 353
 354                         logger('Distributing directly '.$target_item["guid"], LOGGER_DEBUG);
 355
 356                         // don't send deletions onward for other people's stuff
 357
 358                         if ($target_item['deleted'] && (! intval($target_item['wall']))) {
 359                                 logger('notifier: ignoring delete notification for non-wall item');
 360                                 return;
 361                         }
 362
 363                         if ((strlen($parent['allow_cid']))
 364                                 || (strlen($parent['allow_gid']))
 365                                 || (strlen($parent['deny_cid']))
 366                                 || (strlen($parent['deny_gid']))) {
 367                                 $public_message = false; // private recipients, not public
 368                         }
 369
 370                         $allow_people = expand_acl($parent['allow_cid']);
 371                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']),true);
 372                         $deny_people  = expand_acl($parent['deny_cid']);
 373                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 374
 375                         // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
 376                         // a delivery fork. private groups (forum_mode == 2) do not uplink
 377
 378                         if ((intval($parent['forum_mode']) == 1) && (! $top_level) && ($cmd !== 'uplink')) {
 379                                 Worker::add($a->queue['priority'], 'notifier', 'uplink', $item_id);
 380                         }
 381
 382                         $conversants = array();
 383
 384                         foreach ($items as $item) {
 385                                 $recipients[] = $item['contact-id'];
 386                                 $conversants[] = $item['contact-id'];
 387                                 // pull out additional tagged people to notify (if public message)
 388                                 if ($public_message && strlen($item['inform'])) {
 389                                         $people = explode(',',$item['inform']);
 390                                         foreach ($people as $person) {
 391                                                 if (substr($person,0,4) === 'cid:') {
 392                                                         $recipients[] = intval(substr($person,4));
 393                                                         $conversants[] = intval(substr($person,4));
 394                                                 } else {
 395                                                         $url_recipients[] = substr($person,4);
 396                                                 }
 397                                         }
 398                                 }
 399                         }
 400
 401                         if (count($url_recipients))
 402                                 logger('notifier: '.$target_item["guid"].' url_recipients ' . print_r($url_recipients,true));
 403
 404                         $conversants = array_unique($conversants);
 405
 406
 407                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 408                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 409                         $recipients = array_diff($recipients,$deny);
 410
 411                         $conversant_str = dbesc(implode(', ',$conversants));
 412                 }
 413
 414                 // If the thread parent is OStatus then do some magic to distribute the messages.
 415                 // We have not only to look at the parent, since it could be a Friendica thread.
 416                 if (($thr_parent && ($thr_parent[0]['network'] == NETWORK_OSTATUS)) || ($parent['network'] == NETWORK_OSTATUS)) {
 417
 418                         $diaspora_delivery = false;
 419
 420                         logger('Some parent is OStatus for '.$target_item["guid"]." - Author: ".$thr_parent[0]['author-link']." - Owner: ".$thr_parent[0]['owner-link'], LOGGER_DEBUG);
 421
 422                         // Send a salmon to the parent author
 423                         $r = q("SELECT `url`, `notify` FROM `contact` WHERE `nurl`='%s' AND `uid` IN (0, %d) AND `notify` != ''",
 424                                 dbesc(normalise_link($thr_parent[0]['author-link'])),
 425                                 intval($uid));
 426                         if (dbm::is_result($r)) {
 427                                 $probed_contact = $r[0];
 428                         } else {
 429                                 $probed_contact = Probe::uri($thr_parent[0]['author-link']);
 430                         }
 431
 432                         if ($probed_contact["notify"] != "") {
 433                                 logger('Notify parent author '.$probed_contact["url"].': '.$probed_contact["notify"]);
 434                                 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 435                         }
 436
 437                         // Send a salmon to the parent owner
 438                         $r = q("SELECT `url`, `notify` FROM `contact` WHERE `nurl`='%s' AND `uid` IN (0, %d) AND `notify` != ''",
 439                                 dbesc(normalise_link($thr_parent[0]['owner-link'])),
 440                                 intval($uid));
 441                         if (dbm::is_result($r)) {
 442                                 $probed_contact = $r[0];
 443                         } else {
 444                                 $probed_contact = Probe::uri($thr_parent[0]['owner-link']);
 445                         }
 446
 447                         if ($probed_contact["notify"] != "") {
 448                                 logger('Notify parent owner '.$probed_contact["url"].': '.$probed_contact["notify"]);
 449                                 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 450                         }
 451
 452                         // Send a salmon notification to every person we mentioned in the post
 453                         $arr = explode(',',$target_item['tag']);
 454                         foreach ($arr as $x) {
 455                                 //logger('Checking tag '.$x, LOGGER_DEBUG);
 456                                 $matches = null;
 457                                 if (preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
 458                                                 $probed_contact = Probe::uri($matches[1]);
 459                                         if ($probed_contact["notify"] != "") {
 460                                                 logger('Notify mentioned user '.$probed_contact["url"].': '.$probed_contact["notify"]);
 461                                                 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 462                                         }
 463                                 }
 464                         }
 465
 466                         // It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
 467                         $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."')";
 468                 } else {
 469                         $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."', '".NETWORK_DIASPORA."', '".NETWORK_MAIL."', '".NETWORK_MAIL2."')";
 470                 }
 471         } else {
 472                 $public_message = false;
 473         }
 474
 475         // If this is a public message and pubmail is set on the parent, include all your email contacts
 476
 477         $mail_disabled = ((function_exists('imap_open') && (!Config::get('system','imap_disabled'))) ? 0 : 1);
 478
 479         if (! $mail_disabled) {
 480                 if ((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 481                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 482                         && (intval($target_item['pubmail']))) {
 483                         $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 484                                 intval($uid),
 485                                 dbesc(NETWORK_MAIL)
 486                         );
 487                         if (dbm::is_result($r)) {
 488                                 foreach ($r as $rr) {
 489                                         $recipients[] = $rr['id'];
 490                                 }
 491                         }
 492                 }
 493         }
 494
 495         if ($followup) {
 496                 $recip_str = implode(', ', $recipients_followup);
 497         } else {
 498                 $recip_str = implode(', ', $recipients);
 499         }
 500         if ($relocate) {
 501                 $r = $recipients_relocate;
 502         } else {
 503                 $r = q("SELECT `id`, `url`, `network`, `self` FROM `contact`
 504                         WHERE `id` IN (%s) AND NOT `blocked` AND NOT `pending` AND NOT `archive`".$sql_extra,
 505                         dbesc($recip_str)
 506                 );
 507         }
 508
 509         // delivery loop
 510
 511         if (dbm::is_result($r)) {
 512                 foreach ($r as $contact) {
 513                         if ($contact['self']) {
 514                                 continue;
 515                         }
 516                         logger("Deliver ".$target_item["guid"]." to ".$contact['url']." via network ".$contact['network'], LOGGER_DEBUG);
 517
 518                         Worker::add(array('priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true),
 519                                         'delivery', $cmd, $item_id, (int)$contact['id']);
 520                 }
 521         }
 522
 523         // send salmon slaps to mentioned remote tags (@foo@example.com) in OStatus posts
 524         // They are especially used for notifications to OStatus users that don't follow us.
 525
 526         if ($slap && count($url_recipients) && ($public_message || $push_notify) && $normal_mode) {
 527                 if (!Config::get('system','dfrn_only')) {
 528                         foreach ($url_recipients as $url) {
 529                                 if ($url) {
 530                                         logger('notifier: urldelivery: ' . $url);
 531                                         $deliver_status = slapper($owner,$url,$slap);
 532                                         /// @TODO Redeliver/queue these items on failure, though there is no contact record
 533                                 }
 534                         }
 535                 }
 536         }
 537
 538
 539         if ($public_message) {
 540
 541                 $r0 = array();
 542                 $r1 = array();
 543
 544                 if ($diaspora_delivery) {
 545                         if (!$followup) {
 546                                 $r0 = Diaspora::relay_list();
 547                         }
 548
 549                         $r1 = q("SELECT `batch`, ANY_VALUE(`id`) AS `id`, ANY_VALUE(`name`) AS `name`, ANY_VALUE(`network`) AS `network`
 550                                 FROM `contact` WHERE `network` = '%s' AND `batch` != ''
 551                                 AND `uid` = %d AND `rel` != %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` GROUP BY `batch`",
 552                                 dbesc(NETWORK_DIASPORA),
 553                                 intval($owner['uid']),
 554                                 intval(CONTACT_IS_SHARING)
 555                         );
 556                 }
 557
 558                 $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 559                         WHERE `network` in ('%s', '%s') AND `uid` = %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` AND `rel` != %d",
 560                         dbesc(NETWORK_DFRN),
 561                         dbesc(NETWORK_MAIL2),
 562                         intval($owner['uid']),
 563                         intval(CONTACT_IS_SHARING)
 564                 );
 565
 566                 $r = array_merge($r2,$r1,$r0);
 567
 568                 if (dbm::is_result($r)) {
 569                         logger('pubdeliver '.$target_item["guid"].': '.print_r($r,true), LOGGER_DEBUG);
 570
 571                         foreach ($r as $rr) {
 572
 573                                 // except for Diaspora batch jobs
 574                                 // Don't deliver to folks who have already been delivered to
 575
 576                                 if (($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 577                                         logger('notifier: already delivered id=' . $rr['id']);
 578                                         continue;
 579                                 }
 580
 581                                 if ((! $mail) && (! $fsuggest) && (! $followup)) {
 582                                         logger('notifier: delivery agent: '.$rr['name'].' '.$rr['id'].' '.$rr['network'].' '.$target_item["guid"]);
 583                                         Worker::add(array('priority' => $a->queue['priority'], 'created' => $a->queue['created'], 'dont_fork' => true),
 584                                                         'delivery', $cmd, $item_id, (int)$rr['id']);
 585                                 }
 586                         }
 587                 }
 588
 589                 $push_notify = true;
 590
 591         }
 592
 593         // Notify PuSH subscribers (Used for OStatus distribution of regular posts)
 594         if ($push_notify) {
 595                 // Set push flag for PuSH subscribers to this topic,
 596                 // they will be notified in queue.php
 597                 q("UPDATE `push_subscriber` SET `push` = 1 ".
 598                   "WHERE `nickname` = '%s' AND `push` = 0", dbesc($owner['nickname']));
 599
 600                 logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
 601
 602                 // Handling the pubsubhubbub requests
 603                 Worker::add(array('priority' => PRIORITY_HIGH, 'created' => $a->queue['created'], 'dont_fork' => true),
 604                                 'pubsubpublish');
 605         }
 606
 607         logger('notifier: calling hooks', LOGGER_DEBUG);
 608
 609         if ($normal_mode) {
 610                 call_hooks('notifier_normal',$target_item);
 611         }
 612
 613         call_hooks('notifier_end',$target_item);
 614
 615         return;
 616 }