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