include/delivery.php

   1 <?php
   2 require_once("boot.php");
   3 require_once('include/queue_fn.php');
   4 require_once('include/html2plain.php');
   5 require_once("include/Scrape.php");
   6 require_once('include/diaspora.php');
   7 require_once("include/ostatus.php");
   8
   9 function delivery_run(&$argv, &$argc){
  10         global $a, $db;
  11
  12         if(is_null($a)){
  13                 $a = new App;
  14         }
  15
  16         if(is_null($db)) {
  17                 @include(".htconfig.php");
  18                 require_once("include/dba.php");
  19                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
  20                 unset($db_host, $db_user, $db_pass, $db_data);
  21         }
  22
  23         require_once("include/session.php");
  24         require_once("include/datetime.php");
  25         require_once('include/items.php');
  26         require_once('include/bbcode.php');
  27         require_once('include/email.php');
  28
  29         load_config('config');
  30         load_config('system');
  31
  32         load_hooks();
  33
  34         if($argc < 3)
  35                 return;
  36
  37         $a->set_baseurl(get_config('system','url'));
  38
  39         logger('delivery: invoked: ' . print_r($argv,true), LOGGER_DEBUG);
  40
  41         $cmd        = $argv[1];
  42         $item_id    = intval($argv[2]);
  43
  44         for($x = 3; $x < $argc; $x ++) {
  45
  46                 $contact_id = intval($argv[$x]);
  47
  48                 // Some other process may have delivered this item already.
  49
  50                 $r = q("SELECT * FROM `deliverq` WHERE `cmd` = '%s' AND `item` = %d AND `contact` = %d LIMIT 1",
  51                         dbesc($cmd),
  52                         dbesc($item_id),
  53                         dbesc($contact_id)
  54                 );
  55                 if(! count($r)) {
  56                         continue;
  57                 }
  58
  59                 $maxsysload = intval(get_config('system','maxloadavg'));
  60                 if($maxsysload < 1)
  61                         $maxsysload = 50;
  62
  63                 $load = current_load();
  64                 if($load) {
  65                         if(intval($load) > $maxsysload) {
  66                                 logger('system: load ' . $load . ' too high. Delivery deferred to next queue run.');
  67                                 return;
  68                         }
  69                 }
  70
  71                 // It's ours to deliver. Remove it from the queue.
  72
  73                 q("DELETE FROM `deliverq` WHERE `cmd` = '%s' AND `item` = %d AND `contact` = %d",
  74                         dbesc($cmd),
  75                         dbesc($item_id),
  76                         dbesc($contact_id)
  77                 );
  78
  79                 if((! $item_id) || (! $contact_id))
  80                         continue;
  81
  82                 $expire = false;
  83                 $mail = false;
  84                 $fsuggest = false;
  85                 $relocate = false;
  86                 $top_level = false;
  87                 $recipients = array();
  88                 $url_recipients = array();
  89                 $followup = false;
  90
  91                 $normal_mode = true;
  92
  93                 $recipients[] = $contact_id;
  94
  95                 if($cmd === 'mail') {
  96                         $normal_mode = false;
  97                         $mail = true;
  98                         $message = q("SELECT * FROM `mail` WHERE `id` = %d LIMIT 1",
  99                                         intval($item_id)
 100                         );
 101                         if(! count($message)){
 102                                 return;
 103                         }
 104                         $uid = $message[0]['uid'];
 105                         $recipients[] = $message[0]['contact-id'];
 106                         $item = $message[0];
 107                 }
 108                 elseif($cmd === 'expire') {
 109                         $normal_mode = false;
 110                         $expire = true;
 111                         $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
 112                                 AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
 113                                 intval($item_id)
 114                         );
 115                         $uid = $item_id;
 116                         $item_id = 0;
 117                         if(! count($items))
 118                                 continue;
 119                 }
 120                 elseif($cmd === 'suggest') {
 121                         $normal_mode = false;
 122                         $fsuggest = true;
 123
 124                         $suggest = q("SELECT * FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 125                                 intval($item_id)
 126                         );
 127                         if(! count($suggest))
 128                                 return;
 129                         $uid = $suggest[0]['uid'];
 130                         $recipients[] = $suggest[0]['cid'];
 131                         $item = $suggest[0];
 132                 } elseif($cmd === 'relocate') {
 133                         $normal_mode = false;
 134                         $relocate = true;
 135                         $uid = $item_id;
 136                 } else {
 137                         // find ancestors
 138                         $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
 139                                 intval($item_id)
 140                         );
 141
 142                         if((! count($r)) || (! intval($r[0]['parent']))) {
 143                                 continue;
 144                         }
 145
 146                         $target_item = $r[0];
 147                         $parent_id = intval($r[0]['parent']);
 148                         $uid = $r[0]['uid'];
 149                         $updated = $r[0]['edited'];
 150
 151                         $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 152                                 FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 153                                 intval($parent_id)
 154                         );
 155
 156                         if(! count($items)) {
 157                                 continue;
 158                         }
 159
 160                         $icontacts = null;
 161                         $contacts_arr = array();
 162                         foreach($items as $item)
 163                                 if(! in_array($item['contact-id'],$contacts_arr))
 164                                         $contacts_arr[] = intval($item['contact-id']);
 165                         if(count($contacts_arr)) {
 166                                 $str_contacts = implode(',',$contacts_arr);
 167                                 $icontacts = q("SELECT * FROM `contact`
 168                                         WHERE `id` IN ( $str_contacts ) "
 169                                 );
 170                         }
 171                         if( ! ($icontacts && count($icontacts)))
 172                                 continue;
 173
 174                         // avoid race condition with deleting entries
 175
 176                         if($items[0]['deleted']) {
 177                                 foreach($items as $item)
 178                                         $item['deleted'] = 1;
 179                         }
 180
 181                         if((count($items) == 1) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 182                                 logger('delivery: top level post');
 183                                 $top_level = true;
 184                         }
 185                 }
 186
 187                 $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 188                         `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 189                         `user`.`page-flags`, `user`.`prvnets`
 190                         FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 191                         WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 192                         intval($uid)
 193                 );
 194
 195                 if(! count($r))
 196                         continue;
 197
 198                 $owner = $r[0];
 199
 200                 $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 201
 202                 $public_message = true;
 203
 204                 if(! ($mail || $fsuggest || $relocate)) {
 205                         require_once('include/group.php');
 206
 207                         $parent = $items[0];
 208
 209                         // This is IMPORTANT!!!!
 210
 211                         // We will only send a "notify owner to relay" or followup message if the referenced post
 212                         // originated on our system by virtue of having our hostname somewhere
 213                         // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 214                         // if $parent['wall'] == 1 we will already have the parent message in our array
 215                         // and we will relay the whole lot.
 216
 217                         // expire sends an entire group of expire messages and cannot be forwarded.
 218                         // However the conversation owner will be a part of the conversation and will
 219                         // be notified during this run.
 220                         // Other DFRN conversation members will be alerted during polled updates.
 221
 222                         // Diaspora members currently are not notified of expirations, and other networks have
 223                         // either limited or no ability to process deletions. We should at least fix Diaspora
 224                         // by stringing togther an array of retractions and sending them onward.
 225
 226
 227                         $localhost = $a->get_hostname();
 228                         if(strpos($localhost,':'))
 229                                 $localhost = substr($localhost,0,strpos($localhost,':'));
 230
 231                         /**
 232                          *
 233                          * Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
 234                          * have been known to cause runaway conditions which affected several servers, along with
 235                          * permissions issues.
 236                          *
 237                          */
 238
 239                         $relay_to_owner = false;
 240
 241                         if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 242                                 $relay_to_owner = true;
 243                         }
 244
 245                         if($relay_to_owner) {
 246                                 logger('followup '.$target_item["guid"], LOGGER_DEBUG);
 247                                 // local followup to remote post
 248                                 $followup = true;
 249                         }
 250
 251                         if((strlen($parent['allow_cid']))
 252                                 || (strlen($parent['allow_gid']))
 253                                 || (strlen($parent['deny_cid']))
 254                                 || (strlen($parent['deny_gid']))) {
 255                                 $public_message = false; // private recipients, not public
 256                         }
 257
 258                 }
 259
 260                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
 261                         intval($contact_id)
 262                 );
 263
 264                 if(count($r))
 265                         $contact = $r[0];
 266
 267                 $hubxml = feed_hublinks();
 268
 269                 if($contact['self'])
 270                         continue;
 271
 272                 $deliver_status = 0;
 273
 274                 logger("main delivery by delivery: followup=$followup mail=$mail fsuggest=$fsuggest relocate=$relocate - network ".$contact['network']);
 275
 276                 switch($contact['network']) {
 277
 278                         case NETWORK_DFRN:
 279                                 logger('notifier: '.$target_item["guid"].' dfrndelivery: ' . $contact['name']);
 280
 281                                 $feed_template = get_markup_template('atom_feed.tpl');
 282                                 $mail_template = get_markup_template('atom_mail.tpl');
 283
 284                                 $atom = '';
 285
 286
 287                                 $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 288
 289                                 if(strlen($birthday))
 290                                         $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 291
 292                                 $atom .= replace_macros($feed_template, array(
 293                                                 '$version'      => xmlify(FRIENDICA_VERSION),
 294                                                 '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 295                                                 '$feed_title'   => xmlify($owner['name']),
 296                                                 '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 297                                                 '$hub'          => $hubxml,
 298                                                 '$salmon'       => '',  // private feed, we don't use salmon here
 299                                                 '$name'         => xmlify($owner['name']),
 300                                                 '$profile_page' => xmlify($owner['url']),
 301                                                 '$photo'        => xmlify($owner['photo']),
 302                                                 '$thumb'        => xmlify($owner['thumb']),
 303                                                 '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 304                                                 '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 305                                                 '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 306                                                 '$birthday'     => $birthday,
 307                                                 '$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
 308                                 ));
 309
 310                                 if($mail) {
 311                                         $public_message = false;  // mail is  not public
 312
 313                                         $body = fix_private_photos($item['body'],$owner['uid'],null,$message[0]['contact-id']);
 314
 315                                         $atom .= replace_macros($mail_template, array(
 316                                                 '$name'         => xmlify($owner['name']),
 317                                                 '$profile_page' => xmlify($owner['url']),
 318                                                 '$thumb'        => xmlify($owner['thumb']),
 319                                                 '$item_id'      => xmlify($item['uri']),
 320                                                 '$subject'      => xmlify($item['title']),
 321                                                 '$created'      => xmlify(datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME)),
 322                                                 '$content'      => xmlify($body),
 323                                                 '$parent_id'    => xmlify($item['parent-uri'])
 324                                         ));
 325                                 } elseif($fsuggest) {
 326                                         $public_message = false;  // suggestions are not public
 327
 328                                         $sugg_template = get_markup_template('atom_suggest.tpl');
 329
 330                                         $atom .= replace_macros($sugg_template, array(
 331                                                 '$name'         => xmlify($item['name']),
 332                                                 '$url'          => xmlify($item['url']),
 333                                                 '$photo'        => xmlify($item['photo']),
 334                                                 '$request'      => xmlify($item['request']),
 335                                                 '$note'         => xmlify($item['note'])
 336                                         ));
 337
 338                                         // We don't need this any more
 339
 340                                         q("DELETE FROM `fsuggest` WHERE `id` = %d LIMIT 1",
 341                                                 intval($item['id'])
 342                                         );
 343                                 } elseif($relocate) {
 344                                         $public_message = false;  // suggestions are not public
 345
 346                                         $sugg_template = get_markup_template('atom_relocate.tpl');
 347
 348                                         /* get site pubkey. this could be a new installation with no site keys*/
 349                                         $pubkey = get_config('system','site_pubkey');
 350                                         if(! $pubkey) {
 351                                                 $res = new_keypair(1024);
 352                                                 set_config('system','site_prvkey', $res['prvkey']);
 353                                                 set_config('system','site_pubkey', $res['pubkey']);
 354                                         }
 355
 356                                         $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
 357                                                         WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
 358                                         $photos = array();
 359                                         $ext = Photo::supportedTypes();
 360                                         foreach($rp as $p){
 361                                                 $photos[$p['scale']] = $a->get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
 362                                         }
 363                                         unset($rp, $ext);
 364
 365                                         $atom .= replace_macros($sugg_template, array(
 366                                                                 '$name' => xmlify($owner['name']),
 367                                                                 '$photo' => xmlify($photos[4]),
 368                                                                 '$thumb' => xmlify($photos[5]),
 369                                                                 '$micro' => xmlify($photos[6]),
 370                                                                 '$url' => xmlify($owner['url']),
 371                                                                 '$request' => xmlify($owner['request']),
 372                                                                 '$confirm' => xmlify($owner['confirm']),
 373                                                                 '$notify' => xmlify($owner['notify']),
 374                                                                 '$poll' => xmlify($owner['poll']),
 375                                                                 '$sitepubkey' => xmlify(get_config('system','site_pubkey')),
 376                                                                 //'$pubkey' => xmlify($owner['pubkey']),
 377                                                                 //'$prvkey' => xmlify($owner['prvkey']),
 378                                                 ));
 379                                         unset($photos);
 380                                 } elseif($followup) {
 381                                         foreach($items as $item) {  // there is only one item
 382                                                 if(! $item['parent'])
 383                                                         continue;
 384                                                 if($item['id'] == $item_id) {
 385                                                         logger('followup: item: ' . print_r($item,true), LOGGER_DATA);
 386                                                         $atom .= atom_entry($item,'text',null,$owner,false);
 387                                                 }
 388                                         }
 389                                 } else {
 390                                         foreach($items as $item) {
 391                                                 if(! $item['parent'])
 392                                                         continue;
 393
 394                                                 // private emails may be in included in public conversations. Filter them.
 395                                                 if(($public_message) && $item['private'] == 1)
 396                                                         continue;
 397
 398                                                 $item_contact = get_item_contact($item,$icontacts);
 399                                                 if(! $item_contact)
 400                                                         continue;
 401
 402                                                 if($normal_mode) {
 403                                                         if($item_id == $item['id'] || $item['id'] == $item['parent'])
 404                                                                 $atom .= atom_entry($item,'text',null,$owner,true,(($top_level) ? $contact['id'] : 0));
 405                                                 } else
 406                                                         $atom .= atom_entry($item,'text',null,$owner,true);
 407                                         }
 408                                 }
 409
 410                                 $atom .= '</feed>' . "\r\n";
 411
 412                                 logger('notifier: '.$contact["url"].' '.$target_item["guid"].' entry: '.$atom, LOGGER_DEBUG);
 413
 414                                 logger('notifier: ' . $atom, LOGGER_DATA);
 415                                 $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 416
 417                                 // perform local delivery if we are on the same site
 418
 419                                 if(link_compare($basepath,$a->get_baseurl())) {
 420
 421                                         $nickname = basename($contact['url']);
 422                                         if($contact['issued-id'])
 423                                                 $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 424                                         else
 425                                                 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 426
 427                                         $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 428                                                 `contact`.`pubkey` AS `cpubkey`,
 429                                                 `contact`.`prvkey` AS `cprvkey`,
 430                                                 `contact`.`thumb` AS `thumb`,
 431                                                 `contact`.`url` as `url`,
 432                                                 `contact`.`name` as `senderName`,
 433                                                 `user`.*
 434                                                 FROM `contact`
 435                                                 INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
 436                                                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 437                                                 AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 438                                                 $sql_extra
 439                                                 AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 LIMIT 1",
 440                                                 dbesc(NETWORK_DFRN),
 441                                                 dbesc($nickname)
 442                                         );
 443
 444                                         if($x && count($x)) {
 445                                                 $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
 446                                                 if((($owner['page-flags'] == PAGE_COMMUNITY) || ($write_flag)) && (! $x[0]['writable'])) {
 447                                                         q("update contact set writable = 1 where id = %d",
 448                                                                 intval($x[0]['id'])
 449                                                         );
 450                                                         $x[0]['writable'] = 1;
 451                                                 }
 452
 453                                                 $ssl_policy = get_config('system','ssl_policy');
 454                                                 fix_contact_ssl_policy($x[0],$ssl_policy);
 455
 456                                                 // If we are setup as a soapbox we aren't accepting top level posts from this person
 457
 458                                                 if (($x[0]['page-flags'] == PAGE_SOAPBOX) AND $top_level)
 459                                                         break;
 460
 461                                                 require_once('library/simplepie/simplepie.inc');
 462                                                 logger('mod-delivery: local delivery');
 463                                                 local_delivery($x[0],$atom);
 464                                                 break;
 465                                         }
 466                                 }
 467
 468                                 if(! was_recently_delayed($contact['id']))
 469                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 470                                 else
 471                                         $deliver_status = (-1);
 472
 473                                 logger('notifier: dfrn_delivery to '.$contact["url"].' with guid '.$target_item["guid"].' returns '.$deliver_status);
 474
 475                                 if($deliver_status == (-1)) {
 476                                         logger('notifier: delivery failed: queuing message');
 477                                         add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 478                                 }
 479                                 break;
 480
 481                         case NETWORK_OSTATUS:
 482                                 // Do not send to otatus if we are not configured to send to public networks
 483                                 if($owner['prvnets'])
 484                                         break;
 485                                 if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 486                                         break;
 487
 488                                 // There is currently no code here to distribute anything to OStatus.
 489                                 // This is done in "notifier.php" (See "url_recipients" and "push_notify")
 490                                 break;
 491
 492                         case NETWORK_MAIL:
 493                         case NETWORK_MAIL2:
 494
 495                                 if(get_config('system','dfrn_only'))
 496                                         break;
 497                                 // WARNING: does not currently convert to RFC2047 header encodings, etc.
 498
 499                                 $addr = $contact['addr'];
 500                                 if(! strlen($addr))
 501                                         break;
 502
 503                                 if($cmd === 'wall-new' || $cmd === 'comment-new') {
 504
 505                                         $it = null;
 506                                         if($cmd === 'wall-new')
 507                                                 $it = $items[0];
 508                                         else {
 509                                                 $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 510                                                         intval($argv[2]),
 511                                                         intval($uid)
 512                                                 );
 513                                                 if(count($r))
 514                                                         $it = $r[0];
 515                                         }
 516                                         if(! $it)
 517                                                 break;
 518
 519
 520                                         $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 521                                                 intval($uid)
 522                                         );
 523                                         if(! count($local_user))
 524                                                 break;
 525
 526                                         $reply_to = '';
 527                                         $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 528                                                 intval($uid)
 529                                         );
 530                                         if($r1 && $r1[0]['reply_to'])
 531                                                 $reply_to = $r1[0]['reply_to'];
 532
 533                                         $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 534
 535                                         // only expose our real email address to true friends
 536
 537                                         if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked'])) {
 538                                                 if($reply_to) {
 539                                                         $headers  = 'From: '.email_header_encode($local_user[0]['username'],'UTF-8').' <'.$reply_to.'>'."\n";
 540                                                         $headers .= 'Sender: '.$local_user[0]['email']."\n";
 541                                                 } else
 542                                                         $headers  = 'From: '.email_header_encode($local_user[0]['username'],'UTF-8').' <'.$local_user[0]['email'].'>'."\n";
 543                                         } else
 544                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 545
 546                                         //if($reply_to)
 547                                         //      $headers .= 'Reply-to: ' . $reply_to . "\n";
 548
 549                                         $headers .= 'Message-Id: <' . iri2msgid($it['uri']). '>' . "\n";
 550
 551                                         //logger("Mail: uri: ".$it['uri']." parent-uri ".$it['parent-uri'], LOGGER_DEBUG);
 552                                         //logger("Mail: Data: ".print_r($it, true), LOGGER_DEBUG);
 553                                         //logger("Mail: Data: ".print_r($it, true), LOGGER_DATA);
 554
 555                                         if($it['uri'] !== $it['parent-uri']) {
 556                                                 $headers .= "References: <".iri2msgid($it["parent-uri"]).">";
 557
 558                                                 // If Threading is enabled, write down the correct parent
 559                                                 if (($it["thr-parent"] != "") and ($it["thr-parent"] != $it["parent-uri"]))
 560                                                         $headers .= " <".iri2msgid($it["thr-parent"]).">";
 561                                                 $headers .= "\n";
 562
 563                                                 if(!$it['title']) {
 564                                                         $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 565                                                                 dbesc($it['parent-uri']),
 566                                                                 intval($uid));
 567
 568                                                         if(count($r) AND ($r[0]['title'] != ''))
 569                                                                 $subject = $r[0]['title'];
 570                                                         else {
 571                                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
 572                                                                         dbesc($it['parent-uri']),
 573                                                                         intval($uid));
 574
 575                                                                 if(count($r) AND ($r[0]['title'] != ''))
 576                                                                         $subject = $r[0]['title'];
 577                                                         }
 578                                                 }
 579                                                 if(strncasecmp($subject,'RE:',3))
 580                                                         $subject = 'Re: '.$subject;
 581                                         }
 582                                         email_send($addr, $subject, $headers, $it);
 583                                 }
 584                                 break;
 585
 586                         case NETWORK_DIASPORA:
 587                                 if($public_message)
 588                                         $loc = 'public batch ' . $contact['batch'];
 589                                 else
 590                                         $loc = $contact['name'];
 591
 592                                 logger('delivery: diaspora batch deliver: ' . $loc);
 593
 594                                 if(get_config('system','dfrn_only') || (!get_config('system','diaspora_enabled')))
 595                                         break;
 596
 597                                 if($mail) {
 598                                         diaspora_send_mail($item,$owner,$contact);
 599                                         break;
 600                                 }
 601
 602                                 if(!$normal_mode)
 603                                         break;
 604
 605                                 if((! $contact['pubkey']) && (! $public_message))
 606                                         break;
 607
 608                                 $unsupported_activities = array(ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE);
 609
 610                                 //don't transmit activities which are not supported by diaspora
 611                                 foreach($unsupported_activities as $act) {
 612                                         if(activity_match($target_item['verb'],$act)) {
 613                                                 break 2;
 614                                         }
 615                                 }
 616
 617                                 if(($target_item['deleted']) && (($target_item['uri'] === $target_item['parent-uri']) || $followup)) {
 618                                         // top-level retraction
 619                                         logger('delivery: diaspora retract: ' . $loc);
 620
 621                                         diaspora_send_retraction($target_item,$owner,$contact,$public_message);
 622                                         break;
 623                                 } elseif($followup) {
 624                                         // send comments and likes to owner to relay
 625                                         diaspora_send_followup($target_item,$owner,$contact,$public_message);
 626                                         break;
 627                                 } elseif($target_item['uri'] !== $target_item['parent-uri']) {
 628                                         // we are the relay - send comments, likes and relayable_retractions to our conversants
 629                                         logger('delivery: diaspora relay: ' . $loc);
 630
 631                                         diaspora_send_relay($target_item,$owner,$contact,$public_message);
 632                                         break;
 633                                 } elseif(($top_level) && (! $walltowall)) {
 634                                         // currently no workable solution for sending walltowall
 635                                         logger('delivery: diaspora status: ' . $loc);
 636                                         diaspora_send_status($target_item,$owner,$contact,$public_message);
 637                                         break;
 638                                 }
 639
 640                                 logger('delivery: diaspora unknown mode: ' . $contact['name']);
 641
 642                                 break;
 643
 644                         default:
 645                                 break;
 646                 }
 647         }
 648
 649         return;
 650 }
 651
 652 if (array_search(__file__,get_included_files())===0){
 653   delivery_run($_SERVER["argv"],$_SERVER["argc"]);
 654   killme();
 655 }