src/Worker/Notifier.php

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