include/delivery.php

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