include/notifier.php

   1 <?php
   2
   3 require_once("boot.php");
   4 require_once('include/queue_fn.php');
   5
   6 /*
   7  * This file was at one time responsible for doing all deliveries, but this caused
   8  * big problems on shared hosting systems, where the process might get killed by the
   9  * hosting provider and nothing would get delivered.
  10  * It now only delivers one message under certain cases, and invokes a queued
  11  * delivery mechanism (include/deliver.php) to deliver individual contacts at
  12  * controlled intervals.
  13  * This has a much better chance of surviving random processes getting killed
  14  * by the hosting provider.
  15  * A lot of this code is duplicated in include/deliver.php until we have time to go back
  16  * and re-structure the delivery procedure based on the obstacles that have been thrown at
  17  * us by hosting providers.
  18  */
  19
  20 function notifier_run($argv, $argc){
  21         global $a, $db;
  22
  23         if(is_null($a)){
  24                 $a = new App;
  25         }
  26
  27         if(is_null($db)) {
  28                 @include(".htconfig.php");
  29                 require_once("dba.php");
  30                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  31                         unset($db_host, $db_user, $db_pass, $db_data);
  32         }
  33
  34         require_once("session.php");
  35         require_once("datetime.php");
  36         require_once('include/items.php');
  37         require_once('include/bbcode.php');
  38
  39         load_config('config');
  40         load_config('system');
  41
  42         load_hooks();
  43
  44         if($argc < 3)
  45                 return;
  46
  47         $a->set_baseurl(get_config('system','url'));
  48
  49         logger('notifier: invoked: ' . print_r($argv,true));
  50
  51         $cmd = $argv[1];
  52
  53         switch($cmd) {
  54                 case 'mail':
  55                 default:
  56                         $item_id = intval($argv[2]);
  57                         if(! $item_id){
  58                                 return;
  59                         }
  60                         break;
  61         }
  62
  63         $expire = false;
  64         $mail = false;
  65         $fsuggest = false;
  66         $top_level = false;
  67         $recipients = array();
  68         $url_recipients = array();
  69
  70         $normal_mode = true;
  71
  72         if($cmd === 'mail') {
  73                 $normal_mode = false;
  74                 $mail = true;
  75                 $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  76                                 intval($item_id)
  77                 );
  78                 if(! count($message)){
  79                         return;
  80                 }
  81                 $uid = $message[0]['uid'];
  82                 $recipients[] = $message[0]['contact-id'];
  83                 $item = $message[0];
  84
  85         }
  86         elseif($cmd === 'expire') {
  87                 $normal_mode = false;
  88                 $expire = true;
  89                 $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  90                         AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 10 MINUTE",
  91                         intval($item_id)
  92                 );
  93                 $uid = $item_id;
  94                 $item_id = 0;
  95                 if(! count($items))
  96                         return;
  97         }
  98         elseif($cmd === 'suggest') {
  99                 $normal_mode = false;
 100                 $fsuggest = true;
 101
 102                 $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 103                         intval($item_id)
 104                 );
 105                 if(! count($suggest))
 106                         return;
 107                 $uid = $suggest[0]['uid'];
 108                 $recipients[] = $suggest[0]['cid'];
 109                 $item = $suggest[0];
 110         }
 111         else {
 112
 113                 // find ancestors
 114                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 115                         intval($item_id)
 116                 );
 117
 118                 if((! count($r)) || (! intval($r[0]['parent']))) {
 119                         return;
 120                 }
 121
 122                 $target_item = $r[0];
 123                 $parent_id = intval($r[0]['parent']);
 124                 $uid = $r[0]['uid'];
 125                 $updated = $r[0]['edited'];
 126
 127                 if(! $parent_id)
 128                         return;
 129
 130                 $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 131                         FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d ORDER BY `id` ASC",
 132                         intval($parent_id)
 133                 );
 134
 135                 if(! count($items)) {
 136                         return;
 137                 }
 138
 139                 // avoid race condition with deleting entries
 140
 141                 if($items[0]['deleted']) {
 142                         foreach($items as $item)
 143                                 $item['deleted'] = 1;
 144                 }
 145
 146                 if((count($items) == 1) && ($items[0]['id'] === $target_item['id']) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 147                         logger('notifier: top level post');
 148                         $top_level = true;
 149                 }
 150
 151         }
 152
 153         $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 154                 `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 155                 `user`.`page-flags`, `user`.`prvnets`
 156                 FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 157                 WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 158                 intval($uid)
 159         );
 160
 161         if(! count($r))
 162                 return;
 163
 164         $owner = $r[0];
 165
 166         $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 167
 168         $hub = get_config('system','huburl');
 169
 170         // If this is a public conversation, notify the feed hub
 171         $public_message = true;
 172
 173         // fill this in with a single salmon slap if applicable
 174         $slap = '';
 175
 176         if(! ($mail || $fsuggest)) {
 177
 178                 require_once('include/group.php');
 179
 180                 $parent = $items[0];
 181
 182                 // This is IMPORTANT!!!!
 183
 184                 // We will only send a "notify owner to relay" or followup message if the referenced post
 185                 // originated on our system by virtue of having our hostname somewhere
 186                 // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 187
 188                 // if $parent['wall'] == 1 we will already have the parent message in our array
 189                 // and we will relay the whole lot.
 190
 191                 // expire sends an entire group of expire messages and cannot be forwarded.
 192                 // However the conversation owner will be a part of the conversation and will
 193                 // be notified during this run.
 194                 // Other DFRN conversation members will be alerted during polled updates.
 195
 196
 197
 198                 // Diaspora members currently are not notified of expirations, and other networks have
 199                 // either limited or no ability to process deletions. We should at least fix Diaspora
 200                 // by stringing togther an array of retractions and sending them onward.
 201
 202
 203                 $localhost = $a->get_hostname();
 204                 if(strpos($localhost,':'))
 205                         $localhost = substr($localhost,0,strpos($localhost,':'));
 206
 207                 /**
 208                  *
 209                  * Be VERY CAREFUL if you make any changes to the following several lines. Seemingly innocuous changes
 210                  * have been known to cause runaway conditions which affected several servers, along with
 211                  * permissions issues.
 212                  *
 213                  */
 214
 215                 $relay_to_owner = false;
 216
 217                 if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 218                         $relay_to_owner = true;
 219                 }
 220
 221
 222                 if(($cmd === 'uplink') && (intval($parent['forum_mode'])) && (! $top_level)) {
 223                         $relay_to_owner = true;
 224                 }
 225
 226                 // until the 'origin' flag has been in use for several months
 227                 // we will just use it as a fallback test
 228                 // later we will be able to use it as the primary test of whether or not to relay.
 229
 230                 if(! $target_item['origin'])
 231                         $relay_to_owner = false;
 232
 233                 if($parent['origin'])
 234                         $relay_to_owner = false;
 235
 236
 237
 238                 if($relay_to_owner) {
 239                         logger('notifier: followup', LOGGER_DEBUG);
 240                         // local followup to remote post
 241                         $followup = true;
 242                         $public_message = false; // not public
 243                         $conversant_str = dbesc($parent['contact-id']);
 244                 }
 245                 else {
 246                         $followup = false;
 247
 248                         // don't send deletions onward for other people's stuff
 249
 250                         if($target_item['deleted'] && (! intval($target_item['wall']))) {
 251                                 logger('notifier: ignoring delete notification for non-wall item');
 252                                 return;
 253                         }
 254
 255                         if((strlen($parent['allow_cid']))
 256                                 || (strlen($parent['allow_gid']))
 257                                 || (strlen($parent['deny_cid']))
 258                                 || (strlen($parent['deny_gid']))) {
 259                                 $public_message = false; // private recipients, not public
 260                         }
 261
 262                         $allow_people = expand_acl($parent['allow_cid']);
 263                         $allow_groups = expand_groups(expand_acl($parent['allow_gid']));
 264                         $deny_people  = expand_acl($parent['deny_cid']);
 265                         $deny_groups  = expand_groups(expand_acl($parent['deny_gid']));
 266
 267                         // if our parent is a forum, uplink to the origonal author causing
 268                         // a delivery fork
 269
 270                         if(intval($parent['forum_mode']) && (! $top_level) && ($cmd !== 'uplink')) {
 271                                 proc_run('php','include/notifier','uplink',$item_id);
 272                         }
 273
 274                         $conversants = array();
 275
 276                         foreach($items as $item) {
 277                                 $recipients[] = $item['contact-id'];
 278                                 $conversants[] = $item['contact-id'];
 279                                 // pull out additional tagged people to notify (if public message)
 280                                 if($public_message && strlen($item['inform'])) {
 281                                         $people = explode(',',$item['inform']);
 282                                         foreach($people as $person) {
 283                                                 if(substr($person,0,4) === 'cid:') {
 284                                                         $recipients[] = intval(substr($person,4));
 285                                                         $conversants[] = intval(substr($person,4));
 286                                                 }
 287                                                 else {
 288                                                         $url_recipients[] = substr($person,4);
 289                                                 }
 290                                         }
 291                                 }
 292                         }
 293
 294                         logger('notifier: url_recipients' . print_r($url_recipients,true));
 295
 296                         $conversants = array_unique($conversants);
 297
 298
 299                         $recipients = array_unique(array_merge($recipients,$allow_people,$allow_groups));
 300                         $deny = array_unique(array_merge($deny_people,$deny_groups));
 301                         $recipients = array_diff($recipients,$deny);
 302
 303                         $conversant_str = dbesc(implode(', ',$conversants));
 304                 }
 305
 306                 $r = q("SELECT * FROM `contact` WHERE `id` IN ( $conversant_str ) AND `blocked` = 0 AND `pending` = 0");
 307
 308                 if(count($r))
 309                         $contacts = $r;
 310         }
 311
 312         $feed_template = get_markup_template('atom_feed.tpl');
 313         $mail_template = get_markup_template('atom_mail.tpl');
 314
 315         $atom = '';
 316         $slaps = array();
 317
 318         $hubxml = feed_hublinks();
 319
 320         $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 321
 322         if(strlen($birthday))
 323                 $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 324
 325         $atom .= replace_macros($feed_template, array(
 326                         '$version'      => xmlify(FRIENDICA_VERSION),
 327                         '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 328                         '$feed_title'   => xmlify($owner['name']),
 329                         '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 330                         '$hub'          => $hubxml,
 331                         '$salmon'       => '',  // private feed, we don't use salmon here
 332                         '$name'         => xmlify($owner['name']),
 333                         '$profile_page' => xmlify($owner['url']),
 334                         '$photo'        => xmlify($owner['photo']),
 335                         '$thumb'        => xmlify($owner['thumb']),
 336                         '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 337                         '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 338                         '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 339                         '$birthday'     => $birthday
 340         ));
 341
 342         if($mail) {
 343                 $public_message = false;  // mail is  not public
 344
 345                 $body = fix_private_photos($item['body'],$owner['uid']);
 346
 347                 $atom .= replace_macros($mail_template, array(
 348                         '$name'         => xmlify($owner['name']),
 349                         '$profile_page' => xmlify($owner['url']),
 350                         '$thumb'        => xmlify($owner['thumb']),
 351                         '$item_id'      => xmlify($item['uri']),
 352                         '$subject'      => xmlify($item['title']),
 353                         '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 354                         '$content'      => xmlify($body),
 355                         '$parent_id'    => xmlify($item['parent-uri'])
 356                 ));
 357         }
 358         elseif($fsuggest) {
 359                 $public_message = false;  // suggestions are not public
 360
 361                 $sugg_template = get_markup_template('atom_suggest.tpl');
 362
 363                 $atom .= replace_macros($sugg_template, array(
 364                         '$name'         => xmlify($item['name']),
 365                         '$url'          => xmlify($item['url']),
 366                         '$photo'        => xmlify($item['photo']),
 367                         '$request'      => xmlify($item['request']),
 368                         '$note'         => xmlify($item['note'])
 369                 ));
 370
 371                 // We don't need this any more
 372
 373                 q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 374                         intval($item['id'])
 375                 );
 376
 377         }
 378         else {
 379                 if($followup) {
 380                         foreach($items as $item) {  // there is only one item
 381                                 if(! $item['parent'])
 382                                         continue;
 383                                 if($item['id'] == $item_id) {
 384                                         logger('notifier: followup: item: ' . print_r($item,true), LOGGER_DATA);
 385                                         $slap  = atom_entry($item,'html',$owner,$owner,false);
 386                                         $atom .= atom_entry($item,'text',$owner,$owner,false);
 387                                 }
 388                         }
 389                 }
 390                 else {
 391                         foreach($items as $item) {
 392
 393                                 if(! $item['parent'])
 394                                         continue;
 395
 396                                 // private emails may be in included in public conversations. Filter them.
 397
 398                                 if(($public_message) && $item['private'])
 399                                         continue;
 400
 401
 402                                 $contact = get_item_contact($item,$contacts);
 403
 404                                 if(! $contact)
 405                                         continue;
 406
 407                                 if($normal_mode) {
 408
 409                                         // we only need the current item, but include the parent because without it
 410                                         // older sites without a corresponding dfrn_notify change may do the wrong thing.
 411
 412                                     if($item_id == $item['id'] || $item['id'] == $item['parent'])
 413                                                 $atom .= atom_entry($item,'text',$contact,$owner,true);
 414                                 }
 415                                 else
 416                                         $atom .= atom_entry($item,'text',$contact,$owner,true);
 417
 418                                 if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 419                                         $slaps[] = atom_entry($item,'html',$contact,$owner,true);
 420                         }
 421                 }
 422         }
 423         $atom .= '</feed>' . "\r\n";
 424
 425         logger('notifier: ' . $atom, LOGGER_DATA);
 426
 427         logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 428
 429         // If this is a public message and pubmail is set on the parent, include all your email contacts
 430
 431         $mail_disabled = ((function_exists('imap_open') && (! get_config('system','imap_disabled'))) ? 0 : 1);
 432
 433         if(! $mail_disabled) {
 434                 if((! strlen($target_item['allow_cid'])) && (! strlen($target_item['allow_gid']))
 435                         && (! strlen($target_item['deny_cid'])) && (! strlen($target_item['deny_gid']))
 436                         && (intval($target_item['pubmail']))) {
 437                         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `network` = '%s'",
 438                                 intval($uid),
 439                                 dbesc(NETWORK_MAIL)
 440                         );
 441                         if(count($r)) {
 442                                 foreach($r as $rr)
 443                                         $recipients[] = $rr['id'];
 444                         }
 445                 }
 446         }
 447
 448         if($followup)
 449                 $recip_str = $parent['contact-id'];
 450         else
 451                 $recip_str = implode(', ', $recipients);
 452
 453         $r = q("SELECT * FROM `contact` WHERE `id` IN ( %s ) AND `blocked` = 0 AND `pending` = 0 ",
 454                 dbesc($recip_str)
 455         );
 456
 457
 458         require_once('include/salmon.php');
 459
 460         $interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 461
 462         // delivery loop
 463
 464         if(count($r)) {
 465
 466                 foreach($r as $contact) {
 467                         if((! $mail) && (! $fsuggest) && (! $followup) && (! $contact['self'])) {
 468                                 if(($contact['network'] === NETWORK_DIASPORA) && ($public_message))
 469                                         continue;
 470                                 q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 471                                         dbesc($cmd),
 472                                         intval($item_id),
 473                                         intval($contact['id'])
 474                                 );
 475                         }
 476                 }
 477
 478                 foreach($r as $contact) {
 479                         if($contact['self'])
 480                                 continue;
 481
 482                         // potentially more than one recipient. Start a new process and space them out a bit.
 483                         // we will deliver single recipient types of message and email receipients here.
 484
 485                         if((! $mail) && (! $fsuggest) && (! $followup)) {
 486                                 proc_run('php','include/delivery.php',$cmd,$item_id,$contact['id']);
 487                                 if($interval)
 488                                         @time_sleep_until(microtime(true) + (float) $interval);
 489                                 continue;
 490                         }
 491
 492                         $deliver_status = 0;
 493
 494                         logger("main delivery by notifier: followup=$followup mail=$mail fsuggest=$fsuggest");
 495
 496                         switch($contact['network']) {
 497                                 case NETWORK_DFRN:
 498
 499                                         // perform local delivery if we are on the same site
 500
 501                                         $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 502
 503                                         if(link_compare($basepath,$a->get_baseurl())) {
 504
 505                                                 $nickname = basename($contact['url']);
 506                                                 if($contact['issued-id'])
 507                                                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 508                                                 else
 509                                                         $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 510
 511                                                 $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 512                                                         `contact`.`pubkey` AS `cpubkey`,
 513                                                         `contact`.`prvkey` AS `cprvkey`,
 514                                                         `contact`.`thumb` AS `thumb`,
 515                                                         `contact`.`url` as `url`,
 516                                                         `contact`.`name` as `senderName`,
 517                                                         `user`.*
 518                                                         FROM `contact`
 519                                                         LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 520                                                         WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 521                                                         AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 522                                                         $sql_extra
 523                                                         AND `user`.`account_expired` = 0 LIMIT 1",
 524                                                         dbesc(NETWORK_DFRN),
 525                                                         dbesc($nickname)
 526                                                 );
 527
 528                                                 if(count($x)) {
 529                                                         require_once('library/simplepie/simplepie.inc');
 530                                                         logger('mod-delivery: local delivery');
 531                                                         local_delivery($x[0],$atom);
 532                                                         break;
 533                                                 }
 534                                         }
 535
 536
 537
 538                                         logger('notifier: dfrndelivery: ' . $contact['name']);
 539                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 540
 541                                         logger('notifier: dfrn_delivery returns ' . $deliver_status);
 542
 543                                         if($deliver_status == (-1)) {
 544                                                 logger('notifier: delivery failed: queuing message');
 545                                                 // queue message for redelivery
 546                                                 add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 547                                         }
 548                                         break;
 549                                 case NETWORK_OSTATUS:
 550
 551                                         // Do not send to otatus if we are not configured to send to public networks
 552                                         if($owner['prvnets'])
 553                                                 break;
 554                                         if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 555                                                 break;
 556
 557                                         if($followup && $contact['notify']) {
 558                                                 logger('notifier: slapdelivery: ' . $contact['name']);
 559                                                 $deliver_status = slapper($owner,$contact['notify'],$slap);
 560
 561                                                 if($deliver_status == (-1)) {
 562                                                         // queue message for redelivery
 563                                                         add_to_queue($contact['id'],NETWORK_OSTATUS,$slap);
 564                                                 }
 565                                         }
 566                                         else {
 567
 568                                                 // only send salmon if public - e.g. if it's ok to notify
 569                                                 // a public hub, it's ok to send a salmon
 570
 571                                                 if((count($slaps)) && ($public_message) && (! $expire)) {
 572                                                         logger('notifier: slapdelivery: ' . $contact['name']);
 573                                                         foreach($slaps as $slappy) {
 574                                                                 if($contact['notify']) {
 575                                                                         $deliver_status = slapper($owner,$contact['notify'],$slappy);
 576                                                                         if($deliver_status == (-1)) {
 577                                                                                 // queue message for redelivery
 578                                                                                 add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 579                                                                         }
 580                                                                 }
 581                                                         }
 582                                                 }
 583                                         }
 584                                         break;
 585
 586                                 case NETWORK_MAIL:
 587
 588                                         if(get_config('system','dfrn_only'))
 589                                                 break;
 590
 591                                         // WARNING: does not currently convert to RFC2047 header encodings, etc.
 592
 593                                         $addr = $contact['addr'];
 594                                         if(! strlen($addr))
 595                                                 break;
 596
 597                                         if($cmd === 'wall-new' || $cmd === 'comment-new') {
 598
 599                                                 $it = null;
 600                                                 if($cmd === 'wall-new')
 601                                                         $it = $items[0];
 602                                                 else {
 603                                                         $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 604                                                                 intval($argv[2]),
 605                                                                 intval($uid)
 606                                                         );
 607                                                         if(count($r))
 608                                                                 $it = $r[0];
 609                                                 }
 610                                                 if(! $it)
 611                                                         break;
 612
 613
 614
 615                                                 $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 616                                                         intval($uid)
 617                                                 );
 618                                                 if(! count($local_user))
 619                                                         break;
 620
 621                                                 $reply_to = '';
 622                                                 $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 623                                                         intval($uid)
 624                                                 );
 625                                                 if($r1 && $r1[0]['reply_to'])
 626                                                         $reply_to = $r1[0]['reply_to'];
 627
 628                                                 $subject  = (($it['title']) ? $it['title'] : t("\x28no subject\x29")) ;
 629                                                 $headers  = 'From: ' . $local_user[0]['username'] . ' <' . $local_user[0]['email'] . '>' . "\n";
 630
 631                                                 if($reply_to)
 632                                                         $headers .= 'Reply-to: ' . $reply_to . "\n";
 633
 634                                                 $headers .= 'Message-id: <' . $it['uri'] . '>' . "\n";
 635
 636                                                 if($it['uri'] !== $it['parent-uri']) {
 637                                                         $header .= 'References: <' . $it['parent-uri'] . '>' . "\n";
 638                                                         if(! strlen($it['title'])) {
 639                                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' LIMIT 1",
 640                                                                         dbesc($it['parent-uri'])
 641                                                                 );
 642                                                                 if(count($r)) {
 643                                                                         $subtitle = $r[0]['title'];
 644                                                                         if($subtitle) {
 645                                                                                 if(strncasecmp($subtitle,'RE:',3))
 646                                                                                         $subject = $subtitle;
 647                                                                                 else
 648                                                                                         $subject = 'Re: ' . $subtitle;
 649                                                                         }
 650                                                                 }
 651                                                         }
 652                                                 }
 653
 654                                                 $headers .= 'MIME-Version: 1.0' . "\n";
 655                                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 656                                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 657                                                 $html    = prepare_body($it);
 658                                                 $message = '<html><body>' . $html . '</body></html>';
 659                                                 logger('notifier: email delivery to ' . $addr);
 660                                                 mail($addr, $subject, $message, $headers);
 661                                         }
 662                                         break;
 663                                 case NETWORK_DIASPORA:
 664                                         require_once('include/diaspora.php');
 665
 666                                         if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')))
 667                                                 break;
 668
 669                                         if($mail) {
 670                                                 diaspora_send_mail($item,$owner,$contact);
 671                                                 break;
 672                                         }
 673
 674                                         if(! $normal_mode)
 675                                                 break;
 676
 677                                         // special handling for followup to public post
 678                                         // all other public posts processed as public batches further below
 679
 680                                         if($public_message) {
 681                                                 if($followup)
 682                                                         diaspora_send_followup($target_item,$owner,$contact, true);
 683                                                 break;
 684                                         }
 685
 686                                         if(! $contact['pubkey'])
 687                                                 break;
 688
 689                                         if($target_item['verb'] === ACTIVITY_DISLIKE) {
 690                                                 // unsupported
 691                                                 break;
 692                                         }
 693                                         elseif(($target_item['deleted']) && ($target_item['verb'] !== ACTIVITY_LIKE)) {
 694                                                 // diaspora delete,
 695                                                 diaspora_send_retraction($target_item,$owner,$contact);
 696                                                 break;
 697                                         }
 698                                         elseif($followup) {
 699                                                 // send comments, likes and retractions of likes to owner to relay
 700                                                 diaspora_send_followup($target_item,$owner,$contact);
 701                                                 break;
 702                                         }
 703                                         elseif($target_item['parent'] != $target_item['id']) {
 704                                                 // we are the relay - send comments, likes and unlikes to our conversants
 705                                                 diaspora_send_relay($target_item,$owner,$contact);
 706                                                 break;
 707                                         }
 708                                         elseif(($top_level) && (! $walltowall)) {
 709                                                 // currently no workable solution for sending walltowall
 710                                                 diaspora_send_status($target_item,$owner,$contact);
 711                                                 break;
 712                                         }
 713
 714                                         break;
 715
 716                                 case NETWORK_FEED:
 717                                 case NETWORK_FACEBOOK:
 718                                         if(get_config('system','dfrn_only'))
 719                                                 break;
 720                                 default:
 721                                         break;
 722                         }
 723                 }
 724         }
 725
 726         // send additional slaps to mentioned remote tags (@foo@example.com)
 727
 728         if($slap && count($url_recipients) && ($followup || $top_level) && $public_message && (! $expire)) {
 729                 if(! get_config('system','dfrn_only')) {
 730                         foreach($url_recipients as $url) {
 731                                 if($url) {
 732                                         logger('notifier: urldelivery: ' . $url);
 733                                         $deliver_status = slapper($owner,$url,$slap);
 734                                         // TODO: redeliver/queue these items on failure, though there is no contact record
 735                                 }
 736                         }
 737                 }
 738         }
 739
 740
 741         if($public_message) {
 742
 743                 $r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
 744                         AND `uid` = %d AND `rel` != %d group by `batch` ORDER BY rand() ",
 745                         dbesc(NETWORK_DIASPORA),
 746                         intval($owner['uid']),
 747                         intval(CONTACT_IS_SHARING)
 748                 );
 749
 750                 $r2 = q("SELECT `id`, `name`,`network` FROM `contact`
 751                         WHERE `network` = '%s' AND `uid` = %d AND `blocked` = 0 AND `pending` = 0
 752                         AND `rel` != %d order by rand() ",
 753                         dbesc(NETWORK_DFRN),
 754                         intval($owner['uid']),
 755                         intval(CONTACT_IS_SHARING)
 756                 );
 757
 758                 $r = array_merge($r2,$r1);
 759
 760                 if(count($r)) {
 761                         logger('pubdeliver: ' . print_r($r,true), LOGGER_DEBUG);
 762
 763                         // throw everything into the queue in case we get killed
 764
 765                         foreach($r as $rr) {
 766                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 767                                         q("insert into deliverq ( `cmd`,`item`,`contact` ) values ('%s', %d, %d )",
 768                                                 dbesc($cmd),
 769                                                 intval($item_id),
 770                                                 intval($rr['id'])
 771                                         );
 772                                 }
 773                         }
 774
 775                         foreach($r as $rr) {
 776
 777                                 // except for Diaspora batch jobs
 778                                 // Don't deliver to folks who have already been delivered to
 779
 780                                 if(($rr['network'] !== NETWORK_DIASPORA) && (in_array($rr['id'],$conversants))) {
 781                                         logger('notifier: already delivered id=' . $rr['id']);
 782                                         continue;
 783                                 }
 784
 785                                 if((! $mail) && (! $fsuggest) && (! $followup)) {
 786                                         logger('notifier: delivery agent: ' . $rr['name'] . ' ' . $rr['id']);
 787                                         proc_run('php','include/delivery.php',$cmd,$item_id,$rr['id']);
 788                                         if($interval)
 789                                                 @time_sleep_until(microtime(true) + (float) $interval);
 790                                 }
 791                         }
 792                 }
 793
 794
 795                 if(strlen($hub)) {
 796                         $hubs = explode(',', $hub);
 797                         if(count($hubs)) {
 798                                 foreach($hubs as $h) {
 799                                         $h = trim($h);
 800                                         if(! strlen($h))
 801                                                 continue;
 802                                         $params = 'hub.mode=publish&hub.url=' . urlencode($a->get_baseurl() . '/dfrn_poll/' . $owner['nickname'] );
 803                                         post_url($h,$params);
 804                                         logger('pubsub: publish: ' . $h . ' ' . $params . ' returned ' . $a->get_curl_code());
 805                                         if(count($hubs) > 1)
 806                                                 sleep(7);                               // try and avoid multiple hubs responding at precisely the same time
 807                                 }
 808                         }
 809                 }
 810
 811         }
 812
 813         if($normal_mode)
 814                 call_hooks('notifier_normal',$target_item);
 815
 816         call_hooks('notifier_end',$target_item);
 817
 818         return;
 819 }
 820
 821 if (array_search(__file__,get_included_files())===0){
 822   notifier_run($argv,$argc);
 823   killme();
 824 }