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