include/notifier.php

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