include/notifier.php

   1 <?php
   2 require_once("boot.php");
   3 require_once('include/queue_fn.php');
   4 require_once('include/html2plain.php');
   5 require_once("include/Scrape.php");
   6 require_once('include/diaspora.php');
   7 require_once("include/ostatus.php");
   8 require_once('include/salmon.php');
   9
  10 /*
  11  * This file was at one time responsible for doing all deliveries, but this caused
  12  * big problems when the process was killed or stalled during the delivery process.
  13  * It now invokes separate queues that are delivering via delivery.php and pubsubpublish.php.
  14  */
  15
  16 /*
  17  * The notifier is typically called with:
  18  *
  19  *              proc_run('php', "include/notifier.php", COMMAND, ITEM_ID);
  20  *
  21  * where COMMAND is one of the following:
  22  *
  23  *              activity                                (in diaspora.php, dfrn_confirm.php, profiles.php)
  24  *              comment-import                  (in diaspora.php, items.php)
  25  *              comment-new                             (in item.php)
  26  *              drop                                    (in diaspora.php, items.php, photos.php)
  27  *              edit_post                               (in item.php)
  28  *              event                                   (in events.php)
  29  *              expire                                  (in items.php)
  30  *              like                                    (in like.php, poke.php)
  31  *              mail                                    (in message.php)
  32  *              suggest                                 (in fsuggest.php)
  33  *              tag                                             (in photos.php, poke.php, tagger.php)
  34  *              tgroup                                  (in items.php)
  35  *              wall-new                                (in photos.php, item.php)
  36  *              removeme                                (in Contact.php)
  37  *              relocate                                (in uimport.php)
  38  *
  39  * and ITEM_ID is the id of the item in the database that needs to be sent to others.
  40  */
  41
  42
  43 function notifier_run(&$argv, &$argc){
  44         global $a, $db;
  45
  46         if(is_null($a)){
  47                 $a = new App;
  48         }
  49
  50         if(is_null($db)) {
  51                 @include(".htconfig.php");
  52                 require_once("include/dba.php");
  53                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  54                         unset($db_host, $db_user, $db_pass, $db_data);
  55         }
  56
  57         require_once("include/session.php");
  58         require_once("include/datetime.php");
  59         require_once('include/items.php');
  60         require_once('include/bbcode.php');
  61         require_once('include/email.php');
  62         load_config('config');
  63         load_config('system');
  64
  65         load_hooks();
  66
  67         if($argc < 3)
  68                 return;
  69
  70         $a->set_baseurl(get_config('system','url'));
  71
  72         logger('notifier: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  73
  74         $cmd = $argv[1];
  75
  76         switch($cmd) {
  77                 case 'mail':
  78                 default:
  79                         $item_id = intval($argv[2]);
  80                         if(! $item_id){
  81                                 return;
  82                         }
  83                         break;
  84         }
  85
  86         $expire = false;
  87         $mail = false;
  88         $fsuggest = false;
  89         $relocate = false;
  90         $top_level = false;
  91         $recipients = array();
  92         $url_recipients = array();
  93
  94         $normal_mode = true;
  95
  96         if($cmd === 'mail') {
  97                 $normal_mode = false;
  98                 $mail = true;
  99                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
 100                                 intval($item_id)
 101                 );
 102                 if(! count($message)){
 103                         return;
 104                 }
 105                 $uid = $message[0]['uid'];
 106                 $recipients[] = $message[0]['contact-id'];
 107                 $item = $message[0];
 108
 109         }
 110         elseif($cmd === 'expire') {
 111                 $normal_mode = false;
 112                 $expire = true;
 113                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
 114                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
 115                         intval($item_id)
 116                 );
 117                 $uid = $item_id;
 118                 $item_id = 0;
 119                 if(! count($items))
 120                         return;
 121         }
 122         elseif($cmd === 'suggest') {
 123                 $normal_mode = false;
 124                 $fsuggest = true;
 125
 126                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 127                         intval($item_id)
 128                 );
 129                 if(! count($suggest))
 130                         return;
 131                 $uid = $suggest[0]['uid'];
 132                 $recipients[] = $suggest[0]['cid'];
 133                 $item = $suggest[0];
 134         } elseif($cmd === 'removeme') {
 135                 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($item_id));
 136                 if (! $r)
 137                         return;
 138
 139                 $user = $r[0];
 140                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1", intval($item_id));
 141                 if (! $r)
 142                         return;
 143
 144                 $self = $r[0];
 145                 $r = q("SELECT * FROM `contact` WHERE `self` = 0 AND `uid` = %d", intval($item_id));
 146                 if(! $r)
 147                         return;
 148
 149                 require_once('include/Contact.php');
 150                 foreach($r as $contact) {
 151                         terminate_friendship($user, $self, $contact);
 152                 }
 153                 return;
 154         } elseif($cmd === 'relocate') {
 155                 $normal_mode = false;
 156                 $relocate = true;
 157                 $uid = $item_id;
 158
 159                 $recipients_relocate = q("SELECT * FROM contact WHERE uid = %d  AND self = 0 AND network = '%s'" , intval($uid), NETWORK_DFRN);
 160         } else {
 161                 // find ancestors
 162                 $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
 163                         intval($item_id)
 164                 );
 165
 166                 if((! count($r)) || (! intval($r[0]['parent']))) {
 167                         return;
 168                 }
 169
 170                 $target_item = $r[0];
 171                 $parent_id = intval($r[0]['parent']);
 172                 $uid = $r[0]['uid'];
 173                 $updated = $r[0]['edited'];
 174
 175                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 176                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 177                         intval($parent_id)
 178                 );
 179
 180                 if(! count($items)) {
 181                         return;
 182                 }
 183
 184                 // avoid race condition with deleting entries
 185
 186                 if($items[0]['deleted']) {
 187                         foreach($items as $item)
 188                                 $item['deleted'] = 1;
 189                 }
 190
 191                 if((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 192                         logger('notifier: top level post');
 193                         $top_level = true;
 194                 }
 195
 196         }
 197
 198         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 199                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 200                 `user`.`page-flags`, `user`.`prvnets`
 201                 FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 202                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 203                 intval($uid)
 204         );
 205
 206         if(! count($r))
 207                 return;
 208
 209         $owner = $r[0];
 210
 211         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 212
 213         $hub = get_config('system','huburl');
 214
 215         // If this is a public conversation, notify the feed hub
 216         $public_message = true;
 217
 218         // Do a PuSH
 219         $push_notify = false;
 220
 221         // fill this in with a single salmon slap if applicable
 222         $slap = '';
 223
 224         if(! ($mail || $fsuggest || $relocate)) {
 225
 226                 $slap = ostatus_salmon($target_item,$owner);
 227
 228                 require_once('include/group.php');
 229
 230                 $parent = $items[0];
 231
 232                 $thr_parent = q("SELECT `network` FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
 233                         dbesc($target_item["thr-parent"]), intval($target_item["uid"]));
 234
 235                 logger('Parent is '.$parent['network'].'. Thread parent is '.$thr_parent[0]['network'], LOGGER_DEBUG);
 236
 237                 // This is IMPORTANT!!!!
 238
 239                 // We will only send a "notify owner to relay" or followup message if the referenced post
 240                 // originated on our system by virtue of having our hostname somewhere
 241                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 242
 243                 // if $parent['wall'] == 1 we will already have the parent message in our array
 244                 // and we will relay the whole lot.
 245
 246                 // expire sends an entire group of expire messages and cannot be forwarded.
 247                 // However the conversation owner will be a part of the conversation and will
 248                 // be notified during this run.
 249                 // Other DFRN conversation members will be alerted during polled updates.
 250
 251
 252
 253                 // Diaspora members currently are not notified of expirations, and other networks have
 254                 // either limited or no ability to process deletions. We should at least fix Diaspora
 255                 // by stringing togther an array of retractions and sending them onward.
 256
 257
 258                 $localhost = str_replace('www.','',$a->get_hostname());
 259                 if(strpos($localhost,':'))
 260                         $localhost = substr($localhost,0,strpos($localhost,':'));
 261
 262                 /**
 263                  *
 264                  * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 265                  * have been known to cause runaway conditions which affected several servers, along with
 266                  * permissions issues.
 267                  *
 268                  */
 269
 270                 $relay_to_owner = false;
 271
 272                 if(!$top_level && ($parent['wall'] == 0) && !$expire && (stristr($target_item['uri'],$localhost))) {
 273                         $relay_to_owner = true;
 274                 }
 275
 276
 277                 if(($cmd === 'uplink') && (intval($parent['forum_mode']) == 1) && !$top_level) {
 278                         $relay_to_owner = true;
 279                 }
 280
 281                 // until the 'origin' flag has been in use for several months
 282                 // we will just use it as a fallback test
 283                 // later we will be able to use it as the primary test of whether or not to relay.
 284
 285                 if(! $target_item['origin'])
 286                         $relay_to_owner = false;
 287
 288                 if($parent['origin'])
 289                         $relay_to_owner = false;
 290
 291                 if($relay_to_owner) {
 292                         logger('notifier: followup '.$target_item["guid"], LOGGER_DEBUG);
 293                         // local followup to remote post
 294                         $followup = true;
 295                         $public_message = false; // not public
 296                         $conversant_str = dbesc($parent['contact-id']);
 297                         $recipients = array($parent['contact-id']);
 298                         $recipients_followup  = array($parent['contact-id']);
 299
 300                         //if (!$target_item['private'] AND $target_item['wall'] AND
 301                         if (!$target_item['private'] AND
 302                                 (strlen($target_item['allow_cid'].$target_item['allow_gid'].
 303                                         $target_item['deny_cid'].$target_item['deny_gid']) == 0))
 304                                 $push_notify = true;
 305
 306                         if (($thr_parent AND ($thr_parent[0]['network'] == NETWORK_OSTATUS)) OR ($parent['network'] == NETWORK_OSTATUS)) {
 307
 308                                 $push_notify = true;
 309
 310                                 if ($parent["network"] == NETWORK_OSTATUS) {
 311                                         // Distribute the message to the DFRN contacts as if this wasn't a followup since OStatus can't relay comments
 312                                         // Currently it is work at progress
 313                                         $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s' AND NOT `blocked` AND NOT `pending` AND NOT `archive`",
 314                                                 intval($uid),
 315                                                 dbesc(NETWORK_DFRN)
 316                                         );
 317                                         if(count($r))
 318                                                 foreach($r as $rr)
 319                                                         $recipients_followup[] = $rr['id'];
 320                                 }
 321                         }
 322                         logger("Notify ".$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('php','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                                                 }
 367                                                 else {
 368                                                         $url_recipients[] = substr($person,4);
 369                                                 }
 370                                         }
 371                                 }
 372                         }
 373
 374                         if (count($url_recipients))
 375                                 logger('notifier: '.$target_item["guid"].' url_recipients ' . print_r($url_recipients,true));
 376
 377                         $conversants = array_unique($conversants);
 378
 379
 380                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 381                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 382                         $recipients = array_diff($recipients,$deny);
 383
 384                         $conversant_str = dbesc(implode(', ',$conversants));
 385                 }
 386
 387                 // If the thread parent is OStatus then do some magic to distribute the messages.
 388                 // We have not only to look at the parent, since it could be a Friendica thread.
 389                 if (($thr_parent AND ($thr_parent[0]['network'] == NETWORK_OSTATUS)) OR ($parent['network'] == NETWORK_OSTATUS)) {
 390
 391                         logger('Some parent is OStatus for '.$target_item["guid"], LOGGER_DEBUG);
 392
 393                         // Send a salmon notification to every person we mentioned in the post
 394                         $arr = explode(',',$target_item['tag']);
 395                         foreach($arr as $x) {
 396                                 //logger('Checking tag '.$x, LOGGER_DEBUG);
 397                                 $matches = null;
 398                                 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
 399                                                 $probed_contact = probe_url($matches[1]);
 400                                         if ($probed_contact["notify"] != "") {
 401                                                 logger('Notify mentioned user '.$probed_contact["url"].': '.$probed_contact["notify"]);
 402                                                 $url_recipients[$probed_contact["notify"]] = $probed_contact["notify"];
 403                                         }
 404                                 }
 405                         }
 406
 407                         // It only makes sense to distribute answers to OStatus messages to Friendica and OStatus - but not Diaspora
 408                         $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."')";
 409                 } else
 410                         $sql_extra = " AND `network` IN ('".NETWORK_OSTATUS."', '".NETWORK_DFRN."', '".NETWORK_DIASPORA."', '".NETWORK_MAIL."', '".NETWORK_MAIL2."')";
 411
 412                 $r = q("SELECT * FROM `contact` WHERE `id` IN ($conversant_str) AND NOT `blocked` AND NOT `pending` AND NOT `archive`".$sql_extra);
 413
 414                 if(count($r))
 415                         $contacts = $r;
 416
 417         } else
 418                 $public_message = false;
 419
 420         // If this is a public message and pubmail is set on the parent, include all your email contacts
 421
 422         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 423
 424         if(! $mail_disabled) {
 425                 if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 426                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 427                         && (intval($target_item['pubmail']))) {
 428                         $r = q("SELECT `id` FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 429                                 intval($uid),
 430                                 dbesc(NETWORK_MAIL)
 431                         );
 432                         if(count($r)) {
 433                                 foreach($r as $rr)
 434                                         $recipients[] = $rr['id'];
 435                         }
 436                 }
 437         }
 438
 439         if($followup)
 440                 $recip_str = implode(', ', $recipients_followup);
 441         else
 442                 $recip_str = implode(', ', $recipients);
 443
 444         if ($relocate)
 445                 $r = $recipients_relocate;
 446         else
 447                 $r = q("SELECT * FROM `contact` WHERE `id` IN (%s) AND NOT `blocked` AND NOT `pending` AND NOT `archive`",
 448                         dbesc($recip_str)
 449                 );
 450
 451
 452         $interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 453
 454         // If we are using the worker we don't need a delivery interval
 455         if (get_config("system", "worker"))
 456                 $interval = false;
 457
 458         // delivery loop
 459
 460         if(count($r)) {
 461
 462                 foreach($r as $contact) {
 463                         if(!$contact['self']) {
 464                                 if(($contact['network'] === NETWORK_DIASPORA) && ($public_message))
 465                                         continue;
 466                                 q("INSERT INTO `deliverq` (`cmd`,`item`,`contact`) VALUES ('%s', %d, %d)",
 467                                         dbesc($cmd),
 468                                         intval($item_id),
 469                                         intval($contact['id'])
 470                                 );
 471                         }
 472                 }
 473
 474
 475                 // This controls the number of deliveries to execute with each separate delivery process.
 476                 // By default we'll perform one delivery per process. Assuming a hostile shared hosting
 477                 // provider, this provides the greatest chance of deliveries if processes start getting
 478                 // killed. We can also space them out with the delivery_interval to also help avoid them
 479                 // getting whacked.
 480
 481                 // If $deliveries_per_process > 1, we will chain this number of multiple deliveries
 482                 // together into a single process. This will reduce the overall number of processes
 483                 // spawned for each delivery, but they will run longer.
 484
 485                 // When using the workerqueue, we don't need this functionality.
 486
 487                 $deliveries_per_process = intval(get_config('system','delivery_batch_count'));
 488                 if (($deliveries_per_process <= 0) OR get_config("system", "worker"))
 489                         $deliveries_per_process = 1;
 490
 491                 $this_batch = array();
 492
 493                 for($x = 0; $x < count($r); $x ++) {
 494                         $contact = $r[$x];
 495
 496                         if($contact['self'])
 497                                 continue;
 498
 499                         logger("Deliver ".$target_item["guid"]." to ".$contact['url']." via network ".$contact['network'], LOGGER_DEBUG);
 500
 501                         // potentially more than one recipient. Start a new process and space them out a bit.
 502                         // we will deliver single recipient types of message and email recipients here.
 503
 504                         $this_batch[] = $contact['id'];
 505
 506                         if(count($this_batch) >= $deliveries_per_process) {
 507                                 proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 508                                 $this_batch = array();
 509                                 if($interval)
 510                                         @time_sleep_until(microtime(true) + (float) $interval);
 511                         }
 512                         continue;
 513                 }
 514
 515                 // be sure to pick up any stragglers
 516                 if(count($this_batch))
 517                         proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 518         }
 519
 520         // send salmon slaps to mentioned remote tags (@foo@example.com) in OStatus posts
 521         // They are especially used for notifications to OStatus users that don't follow us.
 522
 523         if($slap && count($url_recipients) && ($public_message || $push_notify) && $normal_mode) {
 524                 if(!get_config('system','dfrn_only')) {
 525                         foreach($url_recipients as $url) {
 526                                 if($url) {
 527                                         logger('notifier: urldelivery: ' . $url);
 528                                         $deliver_status = slapper($owner,$url,$slap);
 529                                         /// @TODO Redeliver/queue these items on failure, though there is no contact record
 530                                 }
 531                         }
 532                 }
 533         }
 534
 535
 536         if($public_message) {
 537
 538                 if (!$followup AND $top_level)
 539                         $r0 = diaspora_fetch_relay();
 540                 else
 541                         $r0 = array();
 542
 543                 $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
 544                         AND `uid` = %d AND `rel` != %d group by `batch` ORDER BY rand() ",
 545                         dbesc(NETWORK_DIASPORA),
 546                         intval($owner['uid']),
 547                         intval(CONTACT_IS_SHARING)
 548                 );
 549
 550                 $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 551                         WHERE `network` in ( '%s', '%s')  AND `uid` = %d AND NOT `blocked` AND NOT `pending` AND NOT `archive`
 552                         AND `rel` != %d order by rand() ",
 553                         dbesc(NETWORK_DFRN),
 554                         dbesc(NETWORK_MAIL2),
 555                         intval($owner['uid']),
 556                         intval(CONTACT_IS_SHARING)
 557                 );
 558
 559                 $r = array_merge($r2,$r1,$r0);
 560
 561                 if(count($r)) {
 562                         logger('pubdeliver '.$target_item["guid"].': '.print_r($r,true), LOGGER_DEBUG);
 563
 564                         // throw everything into the queue in case we get killed
 565
 566                         foreach($r as $rr) {
 567                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 568                                         q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 569                                                 dbesc($cmd),
 570                                                 intval($item_id),
 571                                                 intval($rr['id'])
 572                                         );
 573                                 }
 574                         }
 575
 576                         foreach($r as $rr) {
 577
 578                                 // except for Diaspora batch jobs
 579                                 // Don't deliver to folks who have already been delivered to
 580
 581                                 if(($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 582                                         logger('notifier: already delivered id=' . $rr['id']);
 583                                         continue;
 584                                 }
 585
 586                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 587                                         logger('notifier: delivery agent: '.$rr['name'].' '.$rr['id'].' '.$rr['network'].' '.$target_item["guid"]);
 588                                         proc_run('php','include/delivery.php',$cmd,$item_id,$rr['id']);
 589                                         if($interval)
 590                                                 @time_sleep_until(microtime(true) + (float) $interval);
 591                                 }
 592                         }
 593                 }
 594
 595                 $push_notify = true;
 596
 597         }
 598
 599         // Notify PuSH subscribers (Used for OStatus distribution of regular posts)
 600         if($push_notify AND strlen($hub)) {
 601                 $hubs = explode(',', $hub);
 602                 if(count($hubs)) {
 603                         foreach($hubs as $h) {
 604                                 $h = trim($h);
 605                                 if(! strlen($h))
 606                                         continue;
 607
 608                                 if ($h === '[internal]') {
 609                                         // Set push flag for PuSH subscribers to this topic,
 610                                         // they will be notified in queue.php
 611                                         q("UPDATE `push_subscriber` SET `push` = 1 " .
 612                                           "WHERE `nickname` = '%s'", dbesc($owner['nickname']));
 613
 614                                         logger('Activating internal PuSH for item '.$item_id, LOGGER_DEBUG);
 615
 616                                 } else {
 617
 618                                         $params = 'hub.mode=publish&hub.url=' . urlencode( $a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 619                                         post_url($h,$params);
 620                                         logger('publish for item '.$item_id.' ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 621                                 }
 622                                 if(count($hubs) > 1)
 623                                         sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 624                         }
 625                 }
 626
 627                 // Handling the pubsubhubbub requests
 628                 proc_run('php','include/pubsubpublish.php');
 629         }
 630
 631         // If the item was deleted, clean up the `sign` table
 632         if($target_item['deleted']) {
 633                 $r = q("DELETE FROM sign where `retract_iid` = %d",
 634                         intval($target_item['id'])
 635                 );
 636         }
 637
 638         logger('notifier: calling hooks', LOGGER_DEBUG);
 639
 640         if($normal_mode)
 641                 call_hooks('notifier_normal',$target_item);
 642
 643         call_hooks('notifier_end',$target_item);
 644
 645         return;
 646 }
 647
 648
 649 if (array_search(__file__,get_included_files())===0){
 650         notifier_run($_SERVER["argv"],$_SERVER["argc"]);
 651         killme();
 652 }