src/Worker/Notifier.php

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