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