include/notifier.php

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