include/notifier.php

   1 <?php
   2
   3 require_once("boot.php");
   4 require_once('include/queue_fn.php');
   5 require_once('include/html2plain.php');
   6
   7 /*
   8  * This file was at one time responsible for doing all deliveries, but this caused
   9  * big problems on shared hosting systems, where the process might get killed by the
  10  * hosting provider and nothing would get delivered.
  11  * It now only delivers one message under certain cases, and invokes a queued
  12  * delivery mechanism (include/deliver.php) to deliver individual contacts at
  13  * controlled intervals.
  14  * This has a much better chance of surviving random processes getting killed
  15  * by the hosting provider.
  16  * A lot of this code is duplicated in include/deliver.php until we have time to go back
  17  * and re-structure the delivery procedure based on the obstacles that have been thrown at
  18  * us by hosting providers.
  19  */
  20
  21 function notifier_run($argv, $argc){
  22         global $a, $db;
  23
  24         if(is_null($a)){
  25                 $a = new App;
  26         }
  27
  28         if(is_null($db)) {
  29                 @include(".htconfig.php");
  30                 require_once("dba.php");
  31                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  32                         unset($db_host, $db_user, $db_pass, $db_data);
  33         }
  34
  35         require_once("session.php");
  36         require_once("datetime.php");
  37         require_once('include/items.php');
  38         require_once('include/bbcode.php');
  39         require_once('include/email.php');
  40         load_config('config');
  41         load_config('system');
  42
  43         load_hooks();
  44
  45         if($argc < 3)
  46                 return;
  47
  48         $a->set_baseurl(get_config('system','url'));
  49
  50         logger('notifier: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  51
  52         $cmd = $argv[1];
  53
  54         switch($cmd) {
  55                 case 'mail':
  56                 default:
  57                         $item_id = intval($argv[2]);
  58                         if(! $item_id){
  59                                 return;
  60                         }
  61                         break;
  62         }
  63
  64         $expire = false;
  65         $mail = false;
  66         $fsuggest = false;
  67         $top_level = false;
  68         $recipients = array();
  69         $url_recipients = array();
  70
  71         $normal_mode = true;
  72
  73         if($cmd === 'mail') {
  74                 $normal_mode = false;
  75                 $mail = true;
  76                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  77                                 intval($item_id)
  78                 );
  79                 if(! count($message)){
  80                         return;
  81                 }
  82                 $uid = $message[0]['uid'];
  83                 $recipients[] = $message[0]['contact-id'];
  84                 $item = $message[0];
  85
  86         }
  87         elseif($cmd === 'expire') {
  88                 $normal_mode = false;
  89                 $expire = true;
  90                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  91                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
  92                         intval($item_id)
  93                 );
  94                 $uid = $item_id;
  95                 $item_id = 0;
  96                 if(! count($items))
  97                         return;
  98         }
  99         elseif($cmd === 'suggest') {
 100                 $normal_mode = false;
 101                 $fsuggest = true;
 102
 103                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 104                         intval($item_id)
 105                 );
 106                 if(! count($suggest))
 107                         return;
 108                 $uid = $suggest[0]['uid'];
 109                 $recipients[] = $suggest[0]['cid'];
 110                 $item = $suggest[0];
 111         }
 112         else {
 113
 114                 // find ancestors
 115                 $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
 116                         intval($item_id)
 117                 );
 118
 119                 if((! count($r)) || (! intval($r[0]['parent']))) {
 120                         return;
 121                 }
 122
 123                 $target_item = $r[0];
 124                 $parent_id = intval($r[0]['parent']);
 125                 $uid = $r[0]['uid'];
 126                 $updated = $r[0]['edited'];
 127
 128                 // The following seems superfluous. We've already checked for "if (! intval($r[0]['parent']))" a few lines up
 129                 if(! $parent_id)
 130                         return;
 131
 132                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 133                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 134                         intval($parent_id)
 135                 );
 136
 137                 if(! count($items)) {
 138                         return;
 139                 }
 140
 141                 // avoid race condition with deleting entries
 142
 143                 if($items[0]['deleted']) {
 144                         foreach($items as $item)
 145                                 $item['deleted'] = 1;
 146                 }
 147
 148                 if((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 149                         logger('notifier: top level post');
 150                         $top_level = true;
 151                 }
 152
 153         }
 154
 155         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 156                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 157                 `user`.`page-flags`, `user`.`prvnets`
 158                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 159                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 160                 intval($uid)
 161         );
 162
 163         if(! count($r))
 164                 return;
 165
 166         $owner = $r[0];
 167
 168         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 169
 170         $hub = get_config('system','huburl');
 171
 172         // If this is a public conversation, notify the feed hub
 173         $public_message = true;
 174
 175         // fill this in with a single salmon slap if applicable
 176         $slap = '';
 177
 178         if(! ($mail || $fsuggest)) {
 179
 180                 require_once('include/group.php');
 181
 182                 $parent = $items[0];
 183
 184                 // This is IMPORTANT!!!!
 185
 186                 // We will only send a "notify owner to relay" or followup message if the referenced post
 187                 // originated on our system by virtue of having our hostname somewhere
 188                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 189
 190                 // if $parent['wall'] == 1 we will already have the parent message in our array
 191                 // and we will relay the whole lot.
 192
 193                 // expire sends an entire group of expire messages and cannot be forwarded.
 194                 // However the conversation owner will be a part of the conversation and will
 195                 // be notified during this run.
 196                 // Other DFRN conversation members will be alerted during polled updates.
 197
 198
 199
 200                 // Diaspora members currently are not notified of expirations, and other networks have
 201                 // either limited or no ability to process deletions. We should at least fix Diaspora
 202                 // by stringing togther an array of retractions and sending them onward.
 203
 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) && (! $expire) && (stristr($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                         $relay_to_owner = false;
 237
 238
 239
 240                 if($relay_to_owner) {
 241                         logger('notifier: followup', LOGGER_DEBUG);
 242                         // local followup to remote post
 243                         $followup = true;
 244                         $public_message = false; // not public
 245                         $conversant_str = dbesc($parent['contact-id']);
 246                 }
 247                 else {
 248                         $followup = false;
 249
 250                         // don't send deletions onward for other people's stuff
 251
 252                         if($target_item['deleted'] && (! intval($target_item['wall']))) {
 253                                 logger('notifier: ignoring delete notification for non-wall item');
 254                                 return;
 255                         }
 256
 257                         if((strlen($parent['allow_cid']))
 258                                 || (strlen($parent['allow_gid']))
 259                                 || (strlen($parent['deny_cid']))
 260                                 || (strlen($parent['deny_gid']))) {
 261                                 $public_message = false; // private recipients, not public
 262                         }
 263
 264                         $allow_people = expand_acl($parent['allow_cid']);
 265                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 266                         $deny_people  = expand_acl($parent['deny_cid']);
 267                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 268
 269                         // if our parent is a public forum (forum_mode == 1), uplink to the origional author causing
 270                         // a delivery fork. private groups (forum_mode == 2) do not uplink
 271
 272                         if((intval($parent['forum_mode']) == 1) && (! $top_level) && ($cmd !== 'uplink')) {
 273                                 proc_run('php','include/notifier','uplink',$item_id);
 274                         }
 275
 276                         $conversants = array();
 277
 278                         foreach($items as $item) {
 279                                 $recipients[] = $item['contact-id'];
 280                                 $conversants[] = $item['contact-id'];
 281                                 // pull out additional tagged people to notify (if public message)
 282                                 if($public_message && strlen($item['inform'])) {
 283                                         $people = explode(',',$item['inform']);
 284                                         foreach($people as $person) {
 285                                                 if(substr($person,0,4) === 'cid:') {
 286                                                         $recipients[] = intval(substr($person,4));
 287                                                         $conversants[] = intval(substr($person,4));
 288                                                 }
 289                                                 else {
 290                                                         $url_recipients[] = substr($person,4);
 291                                                 }
 292                                         }
 293                                 }
 294                         }
 295
 296                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 297
 298                         $conversants = array_unique($conversants);
 299
 300
 301                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 302                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 303                         $recipients = array_diff($recipients,$deny);
 304
 305                         $conversant_str = dbesc(implode(', ',$conversants));
 306                 }
 307
 308                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0");
 309
 310                 if(count($r))
 311                         $contacts = $r;
 312         }
 313
 314         $feed_template = get_markup_template('atom_feed.tpl');
 315         $mail_template = get_markup_template('atom_mail.tpl');
 316
 317         $atom = '';
 318         $slaps = array();
 319
 320         $hubxml = feed_hublinks();
 321
 322         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 323
 324         if(strlen($birthday))
 325                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 326
 327         $atom .= replace_macros($feed_template, array(
 328                         '$version'      => xmlify(FRIENDICA_VERSION),
 329                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 330                         '$feed_title'   => xmlify($owner['name']),
 331                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 332                         '$hub'          => $hubxml,
 333                         '$salmon'       => '',  // private feed, we don't use salmon here
 334                         '$name'         => xmlify($owner['name']),
 335                         '$profile_page' => xmlify($owner['url']),
 336                         '$photo'        => xmlify($owner['photo']),
 337                         '$thumb'        => xmlify($owner['thumb']),
 338                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 339                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 340                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 341                         '$birthday'     => $birthday,
 342                         '$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
 343
 344         ));
 345
 346         if($mail) {
 347                 $public_message = false;  // mail is  not public
 348
 349                 $body = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']);
 350
 351                 $atom .= replace_macros($mail_template, array(
 352                         '$name'         => xmlify($owner['name']),
 353                         '$profile_page' => xmlify($owner['url']),
 354                         '$thumb'        => xmlify($owner['thumb']),
 355                         '$item_id'      => xmlify($item['uri']),
 356                         '$subject'      => xmlify($item['title']),
 357                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 358                         '$content'      => xmlify($body),
 359                         '$parent_id'    => xmlify($item['parent-uri'])
 360                 ));
 361         }
 362         elseif($fsuggest) {
 363                 $public_message = false;  // suggestions are not public
 364
 365                 $sugg_template = get_markup_template('atom_suggest.tpl');
 366
 367                 $atom .= replace_macros($sugg_template, array(
 368                         '$name'         => xmlify($item['name']),
 369                         '$url'          => xmlify($item['url']),
 370                         '$photo'        => xmlify($item['photo']),
 371                         '$request'      => xmlify($item['request']),
 372                         '$note'         => xmlify($item['note'])
 373                 ));
 374
 375                 // We don't need this any more
 376
 377                 q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 378                         intval($item['id'])
 379                 );
 380
 381         }
 382         else {
 383                 if($followup) {
 384                         foreach($items as $item) {  // there is only one item
 385                                 if(! $item['parent'])
 386                                         continue;
 387                                 if($item['id'] == $item_id) {
 388                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 389                                         $slap  = atom_entry($item,'html',null,$owner,false);
 390                                         $atom .= atom_entry($item,'text',null,$owner,false);
 391                                 }
 392                         }
 393                 }
 394                 else {
 395                         foreach($items as $item) {
 396
 397                                 if(! $item['parent'])
 398                                         continue;
 399
 400                                 // private emails may be in included in public conversations. Filter them.
 401
 402                                 if(($public_message) && $item['private'])
 403                                         continue;
 404
 405
 406                                 $contact = get_item_contact($item,$contacts);
 407
 408                                 if(! $contact)
 409                                         continue;
 410
 411                                 if($normal_mode) {
 412
 413                                         // we only need the current item, but include the parent because without it
 414                                         // older sites without a corresponding dfrn_notify change may do the wrong thing.
 415
 416                                     if($item_id == $item['id'] || $item['id'] == $item['parent'])
 417                                                 $atom .= atom_entry($item,'text',null,$owner,true);
 418                                 }
 419                                 else
 420                                         $atom .= atom_entry($item,'text',null,$owner,true);
 421
 422                                 if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 423                                         $slaps[] = atom_entry($item,'html',null,$owner,true);
 424                         }
 425                 }
 426         }
 427         $atom .= '</feed>' . "\r\n";
 428
 429         logger('notifier: ' . $atom, LOGGER_DATA);
 430
 431         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 432
 433         // If this is a public message and pubmail is set on the parent, include all your email contacts
 434
 435         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 436
 437         if(! $mail_disabled) {
 438                 if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 439                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 440                         && (intval($target_item['pubmail']))) {
 441                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 442                                 intval($uid),
 443                                 dbesc(NETWORK_MAIL)
 444                         );
 445                         if(count($r)) {
 446                                 foreach($r as $rr)
 447                                         $recipients[] = $rr['id'];
 448                         }
 449                 }
 450         }
 451
 452         if($followup)
 453                 $recip_str = $parent['contact-id'];
 454         else
 455                 $recip_str = implode(', ', $recipients);
 456
 457         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 458                 dbesc($recip_str)
 459         );
 460
 461
 462         require_once('include/salmon.php');
 463
 464         $interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 465
 466         // delivery loop
 467
 468         if(count($r)) {
 469
 470                 foreach($r as $contact) {
 471                         if((! $mail) && (! $fsuggest) && (! $followup) && (! $contact['self'])) {
 472                                 if(($contact['network'] === NETWORK_DIASPORA) && ($public_message))
 473                                         continue;
 474                                 q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 475                                         dbesc($cmd),
 476                                         intval($item_id),
 477                                         intval($contact['id'])
 478                                 );
 479                         }
 480                 }
 481
 482
 483                 // This controls the number of deliveries to execute with each separate delivery process.
 484                 // By default we'll perform one delivery per process. Assuming a hostile shared hosting
 485                 // provider, this provides the greatest chance of deliveries if processes start getting
 486                 // killed. We can also space them out with the delivery_interval to also help avoid them
 487                 // getting whacked.
 488
 489                 // If $deliveries_per_process > 1, we will chain this number of multiple deliveries
 490                 // together into a single process. This will reduce the overall number of processes
 491                 // spawned for each delivery, but they will run longer.
 492
 493                 $deliveries_per_process = intval(get_config('system','delivery_batch_count'));
 494                 if($deliveries_per_process <= 0)
 495                         $deliveries_per_process = 1;
 496
 497                 $this_batch = array();
 498
 499                 for($x = 0; $x < count($r); $x ++) {
 500                         $contact = $r[$x];
 501
 502                         if($contact['self'])
 503                                 continue;
 504
 505                         // potentially more than one recipient. Start a new process and space them out a bit.
 506                         // we will deliver single recipient types of message and email recipients here.
 507
 508                         if((! $mail) && (! $fsuggest) && (! $followup)) {
 509
 510                                 $this_batch[] = $contact['id'];
 511
 512                                 if(count($this_batch) == $deliveries_per_process) {
 513                                         proc_run('php','include/delivery.php',$cmd,$item_id,$this_batch);
 514                                         $this_batch = array();
 515                                         if($interval)
 516                                                 @time_sleep_until(microtime(true) + (float) $interval);
 517                                 }
 518                                 continue;
 519                         }
 520
 521                         $deliver_status = 0;
 522
 523                         logger("main delivery by notifier: followup=$followup mail=$mail fsuggest=$fsuggest");
 524
 525                         switch($contact['network']) {
 526                                 case NETWORK_DFRN:
 527
 528                                         // perform local delivery if we are on the same site
 529
 530                                         $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 531
 532                                         if(link_compare($basepath,$a->get_baseurl())) {
 533
 534                                                 $nickname = basename($contact['url']);
 535                                                 if($contact['issued-id'])
 536                                                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 537                                                 else
 538                                                         $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 539
 540                                                 $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 541                                                         `contact`.`pubkey` AS `cpubkey`,
 542                                                         `contact`.`prvkey` AS `cprvkey`,
 543                                                         `contact`.`thumb` AS `thumb`,
 544                                                         `contact`.`url` as `url`,
 545                                                         `contact`.`name` as `senderName`,
 546                                                         `user`.*
 547                                                         FROM `contact`
 548                                                         LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 549                                                         WHERE `contact`.`blocked` = 0 AND `contact`.`archive` = 0
 550                                                         AND `contact`.`pending` = 0
 551                                                         AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 552                                                         $sql_extra
 553                                                         AND `user`.`account_expired` = 0 LIMIT 1",
 554                                                         dbesc(NETWORK_DFRN),
 555                                                         dbesc($nickname)
 556                                                 );
 557
 558                                                 if(count($x)) {
 559
 560                                                         if($owner['page-flags'] == PAGE_COMMUNITY && ! $x[0]['writable']) {
 561                                                                 q("update contact set writable = 1 where id = %d limit 1",
 562                                                                         intval($x[0]['id'])
 563                                                                 );
 564                                                                 $x[0]['writable'] = 1;
 565                                                         }
 566
 567                                                         // if contact's ssl policy changed, which we just determined
 568                                                         // is on our own server, update our contact links
 569
 570                                                         $ssl_policy = get_config('system','ssl_policy');
 571                                                         fix_contact_ssl_policy($x[0],$ssl_policy);
 572
 573                                                         // If we are setup as a soapbox we aren't accepting input from this person
 574
 575                                                         if($x[0]['page-flags'] == PAGE_SOAPBOX)
 576                                                                 break;
 577
 578                                                         require_once('library/simplepie/simplepie.inc');
 579                                                         logger('mod-delivery: local delivery');
 580                                                         local_delivery($x[0],$atom);
 581                                                         break;
 582                                                 }
 583                                         }
 584
 585
 586
 587                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 588                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 589
 590                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 591
 592                                         if($deliver_status == (-1)) {
 593                                                 logger('notifier: delivery failed: queuing message');
 594                                                 // queue message for redelivery
 595                                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 596                                         }
 597                                         break;
 598                                 case NETWORK_OSTATUS:
 599
 600                                         // Do not send to otatus if we are not configured to send to public networks
 601                                         if($owner['prvnets'])
 602                                                 break;
 603                                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 604                                                 break;
 605
 606                                         if($followup && $contact['notify']) {
 607                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 608                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 609
 610                                                 if($deliver_status == (-1)) {
 611                                                         // queue message for redelivery
 612                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slap);
 613                                                 }
 614                                         }
 615                                         else {
 616
 617                                                 // only send salmon if public - e.g. if it's ok to notify
 618                                                 // a public hub, it's ok to send a salmon
 619
 620                                                 if((count($slaps)) && ($public_message) && (! $expire)) {
 621                                                         logger('notifier: slapdelivery: ' . $contact['name']);
 622                                                         foreach($slaps as $slappy) {
 623                                                                 if($contact['notify']) {
 624                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 625                                                                         if($deliver_status == (-1)) {
 626                                                                                 // queue message for redelivery
 627                                                                                 add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 628                                                                         }
 629                                                                 }
 630                                                         }
 631                                                 }
 632                                         }
 633                                         break;
 634
 635                                 case NETWORK_MAIL:
 636                                 case NETWORK_MAIL2:
 637
 638                                         if(get_config('system','dfrn_only'))
 639                                                 break;
 640
 641                                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 642
 643                                         $addr = $contact['addr'];
 644                                         if(! strlen($addr))
 645                                                 break;
 646
 647                                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 648
 649                                                 $it = null;
 650                                                 if($cmd === 'wall-new')
 651                                                         $it = $items[0];
 652                                                 else {
 653                                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 654                                                                 intval($argv[2]),
 655                                                                 intval($uid)
 656                                                         );
 657                                                         if(count($r))
 658                                                                 $it = $r[0];
 659                                                 }
 660                                                 if(! $it)
 661                                                         break;
 662
 663
 664
 665                                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 666                                                         intval($uid)
 667                                                 );
 668                                                 if(! count($local_user))
 669                                                         break;
 670
 671                                                 $reply_to = '';
 672                                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 673                                                         intval($uid)
 674                                                 );
 675                                                 if($r1 && $r1[0]['reply_to'])
 676                                                         $reply_to = $r1[0]['reply_to'];
 677
 678                                                 $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 679
 680                                                 // only expose our real email address to true friends
 681
 682                                                 if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked']))
 683                                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . $local_user[0]['email'] . '>' . "\n";
 684                                                 else
 685                                                         $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 686
 687                                                 if($reply_to)
 688                                                         $headers .= 'Reply-to: ' . $reply_to . "\n";
 689
 690                                                 // for testing purposes: Collect exported mails
 691                                                 //$file = tempnam("/tmp/friendica/", "mail-out2-");
 692                                                 //file_put_contents($file, json_encode($it));
 693
 694                                                 $headers .= 'Message-Id: <' . iri2msgid($it['uri']) . '>' . "\n";
 695
 696                                                 if($it['uri'] !== $it['parent-uri']) {
 697                                                         $headers .= 'References: <' . iri2msgid($it['parent-uri']) . '>' . "\n";
 698                                                         if(!strlen($it['title'])) {
 699                                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
 700                                                                         dbesc($it['parent-uri']));
 701
 702                                                                 if(count($r) AND ($r[0]['title'] != ''))
 703                                                                         $subject = $r[0]['title'];
 704                                                         }
 705                                                         if(strncasecmp($subject,'RE:',3))
 706                                                                 $subject = 'Re: '.$subject;
 707                                                 }
 708                                                 email_send($addr, $subject, $headers, $it);
 709                                         }
 710                                         break;
 711                                 case NETWORK_DIASPORA:
 712                                         require_once('include/diaspora.php');
 713
 714                                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')))
 715                                                 break;
 716
 717                                         if($mail) {
 718                                                 diaspora_send_mail($item,$owner,$contact);
 719                                                 break;
 720                                         }
 721
 722                                         if(! $normal_mode)
 723                                                 break;
 724
 725                                         // special handling for followup to public post
 726                                         // all other public posts processed as public batches further below
 727
 728                                         if($public_message) {
 729                                                 if($followup)
 730                                                         diaspora_send_followup($target_item,$owner,$contact, true);
 731                                                 break;
 732                                         }
 733
 734                                         if(! $contact['pubkey'])
 735                                                 break;
 736
 737                                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 738                                                 // unsupported
 739                                                 break;
 740                                         }
 741                                         elseif(($target_item['deleted']) && ($target_item['verb'] !== ACTIVITY_LIKE)) {
 742                                                 // diaspora delete,
 743                                                 diaspora_send_retraction($target_item,$owner,$contact);
 744                                                 break;
 745                                         }
 746                                         elseif($followup) {
 747                                                 // send comments, likes and retractions of likes to owner to relay
 748                                                 diaspora_send_followup($target_item,$owner,$contact);
 749                                                 break;
 750                                         }
 751                                         elseif($target_item['parent'] != $target_item['id']) {
 752                                                 // we are the relay - send comments, likes and unlikes to our conversants
 753                                                 diaspora_send_relay($target_item,$owner,$contact);
 754                                                 break;
 755                                         }
 756                                         elseif(($top_level) && (! $walltowall)) {
 757                                                 // currently no workable solution for sending walltowall
 758                                                 diaspora_send_status($target_item,$owner,$contact);
 759                                                 break;
 760                                         }
 761
 762                                         break;
 763
 764                                 case NETWORK_FEED:
 765                                 case NETWORK_FACEBOOK:
 766                                         if(get_config('system','dfrn_only'))
 767                                                 break;
 768                                 default:
 769                                         break;
 770                         }
 771                 }
 772         }
 773
 774         // send additional slaps to mentioned remote tags (@foo@example.com)
 775
 776         if($slap && count($url_recipients) && ($followup || $top_level) && $public_message && (! $expire)) {
 777                 if(! get_config('system','dfrn_only')) {
 778                         foreach($url_recipients as $url) {
 779                                 if($url) {
 780                                         logger('notifier: urldelivery: ' . $url);
 781                                         $deliver_status = slapper($owner,$url,$slap);
 782                                         // TODO: redeliver/queue these items on failure, though there is no contact record
 783                                 }
 784                         }
 785                 }
 786         }
 787
 788
 789         if($public_message) {
 790
 791                 $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
 792                         AND `uid` = %d AND `rel` != %d group by `batch` ORDER BY rand() ",
 793                         dbesc(NETWORK_DIASPORA),
 794                         intval($owner['uid']),
 795                         intval(CONTACT_IS_SHARING)
 796                 );
 797
 798                 $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 799                         WHERE `network` in ( '%s', '%s')  AND `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `archive` = 0
 800                         AND `rel` != %d order by rand() ",
 801                         dbesc(NETWORK_DFRN),
 802                         dbesc(NETWORK_MAIL2),
 803                         intval($owner['uid']),
 804                         intval(CONTACT_IS_SHARING)
 805                 );
 806
 807                 $r = array_merge($r2,$r1);
 808
 809                 if(count($r)) {
 810                         logger('pubdeliver: ' . print_r($r,true), LOGGER_DEBUG);
 811
 812                         // throw everything into the queue in case we get killed
 813
 814                         foreach($r as $rr) {
 815                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 816                                         q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 817                                                 dbesc($cmd),
 818                                                 intval($item_id),
 819                                                 intval($rr['id'])
 820                                         );
 821                                 }
 822                         }
 823
 824                         foreach($r as $rr) {
 825
 826                                 // except for Diaspora batch jobs
 827                                 // Don't deliver to folks who have already been delivered to
 828
 829                                 if(($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 830                                         logger('notifier: already delivered id=' . $rr['id']);
 831                                         continue;
 832                                 }
 833
 834                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 835                                         logger('notifier: delivery agent: ' . $rr['name'] . ' ' . $rr['id']);
 836                                         proc_run('php','include/delivery.php',$cmd,$item_id,$rr['id']);
 837                                         if($interval)
 838                                                 @time_sleep_until(microtime(true) + (float) $interval);
 839                                 }
 840                         }
 841                 }
 842
 843
 844                 if(strlen($hub)) {
 845                         $hubs = explode(',', $hub);
 846                         if(count($hubs)) {
 847                                 foreach($hubs as $h) {
 848                                         $h = trim($h);
 849                                         if(! strlen($h))
 850                                                 continue;
 851                                         $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 852                                         post_url($h,$params);
 853                                         logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 854                                         if(count($hubs) > 1)
 855                                                 sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 856                                 }
 857                         }
 858                 }
 859
 860         }
 861
 862         logger('notifier: calling hooks', LOGGER_DEBUG);
 863
 864         if($normal_mode)
 865                 call_hooks('notifier_normal',$target_item);
 866
 867         call_hooks('notifier_end',$target_item);
 868
 869         return;
 870 }
 871
 872 if (array_search(__file__,get_included_files())===0){
 873   notifier_run($argv,$argc);
 874   killme();
 875 }