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
  62                 $load = current_load();
  63                 if($load) {
  64                         if(intval($load) > $maxsysload) {
  65                                 logger('system: load ' . $load . ' too high. Delivery deferred to next queue run.');
  66                                 return;
  67                         }
  68                 }
  69
  70                 // It's ours to deliver. Remove it from the queue.
  71
  72                 q("delete from deliverq where cmd = '%s' and item = %d and contact = %d",
  73                         dbesc($cmd),
  74                         dbesc($item_id),
  75                         dbesc($contact_id)
  76                 );
  77
  78                 if((! $item_id) || (! $contact_id))
  79                         continue;
  80
  81                 $expire = false;
  82                 $top_level = false;
  83                 $recipients = array();
  84                 $url_recipients = array();
  85
  86                 $normal_mode = true;
  87
  88                 $recipients[] = $contact_id;
  89
  90                 if($cmd === 'expire') {
  91                         $normal_mode = false;
  92                         $expire = true;
  93                         $items = q("SELECT * FROM `item` WHERE `uid` = %d AND `wall` = 1
  94                                 AND `deleted` = 1 AND `changed` > UTC_TIMESTAMP() - INTERVAL 30 MINUTE",
  95                                 intval($item_id)
  96                         );
  97                         $uid = $item_id;
  98                         $item_id = 0;
  99                         if(! count($items))
 100                         continue;
 101                 }
 102                 else {
 103
 104                         // find ancestors
 105                         $r = q("SELECT * FROM `item` WHERE `id` = %d and visible = 1 and moderated = 0 LIMIT 1",
 106                                 intval($item_id)
 107                         );
 108
 109                         if((! count($r)) || (! intval($r[0]['parent']))) {
 110                                 continue;
 111                         }
 112
 113                         $target_item = $r[0];
 114                         $parent_id = intval($r[0]['parent']);
 115                         $uid = $r[0]['uid'];
 116                         $updated = $r[0]['edited'];
 117
 118                         // POSSIBLE CLEANUP --> The following seems superfluous. We've already checked for "if (! intval($r[0]['parent']))" a few lines up
 119                         if(! $parent_id)
 120                                 continue;
 121
 122
 123                         $items = q("SELECT `item`.*, `sign`.`signed_text`,`sign`.`signature`,`sign`.`signer`
 124                                 FROM `item` LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id` WHERE `parent` = %d and visible = 1 and moderated = 0 ORDER BY `id` ASC",
 125                                 intval($parent_id)
 126                         );
 127
 128                         if(! count($items)) {
 129                                 continue;
 130                         }
 131
 132                         $icontacts = null;
 133                         $contacts_arr = array();
 134                         foreach($items as $item)
 135                                 if(! in_array($item['contact-id'],$contacts_arr))
 136                                         $contacts_arr[] = intval($item['contact-id']);
 137                         if(count($contacts_arr)) {
 138                                 $str_contacts = implode(',',$contacts_arr);
 139                                 $icontacts = q("SELECT * FROM `contact`
 140                                         WHERE `id` IN ( $str_contacts ) "
 141                                 );
 142                         }
 143                         if( ! ($icontacts && count($icontacts)))
 144                                 continue;
 145
 146                         // avoid race condition with deleting entries
 147
 148                         if($items[0]['deleted']) {
 149                                 foreach($items as $item)
 150                                         $item['deleted'] = 1;
 151                         }
 152
 153                         if((count($items) == 1) && ($items[0]['uri'] === $items[0]['parent-uri'])) {
 154                                 logger('delivery: top level post');
 155                                 $top_level = true;
 156                         }
 157                 }
 158
 159                 $r = q("SELECT `contact`.*, `user`.`pubkey` AS `upubkey`, `user`.`prvkey` AS `uprvkey`,
 160                         `user`.`timezone`, `user`.`nickname`, `user`.`sprvkey`, `user`.`spubkey`,
 161                         `user`.`page-flags`, `user`.`prvnets`
 162                         FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
 163                         WHERE `contact`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 164                         intval($uid)
 165                 );
 166
 167                 if(! count($r))
 168                         continue;
 169
 170                 $owner = $r[0];
 171
 172                 $walltowall = ((($top_level) && ($owner['id'] != $items[0]['contact-id'])) ? true : false);
 173
 174                 $public_message = true;
 175
 176                 // fill this in with a single salmon slap if applicable
 177
 178                 $slap = '';
 179
 180                 require_once('include/group.php');
 181
 182                 $parent = $items[0];
 183
 184                         // This is IMPORTANT!!!!
 185
 186                         // We will only send a "notify owner to relay" or followup message if the referenced post
 187                         // originated on our system by virtue of having our hostname somewhere
 188                         // in the URI, AND it was a comment (not top_level) AND the parent originated elsewhere.
 189                         // if $parent['wall'] == 1 we will already have the parent message in our array
 190                         // and we will relay the whole lot.
 191
 192                         // expire sends an entire group of expire messages and cannot be forwarded.
 193                         // However the conversation owner will be a part of the conversation and will
 194                         // be notified during this run.
 195                         // Other DFRN conversation members will be alerted during polled updates.
 196
 197                         // Diaspora members currently are not notified of expirations, and other networks have
 198                         // either limited or no ability to process deletions. We should at least fix Diaspora
 199                         // by stringing togther an array of retractions and sending them onward.
 200
 201
 202                 $localhost = $a->get_hostname();
 203                 if(strpos($localhost,':'))
 204                         $localhost = substr($localhost,0,strpos($localhost,':'));
 205
 206                 /**
 207                  *
 208                  * Be VERY CAREFUL if you make any changes to the following line. Seemingly innocuous changes
 209                  * have been known to cause runaway conditions which affected several servers, along with
 210                  * permissions issues.
 211                  *
 212                  */
 213
 214                 if((! $top_level) && ($parent['wall'] == 0) && (! $expire) && (stristr($target_item['uri'],$localhost))) {
 215                         logger('relay denied for delivery agent.');
 216
 217                         /* no relay allowed for direct contact delivery */
 218                         continue;
 219                 }
 220
 221                 if((strlen($parent['allow_cid']))
 222                         || (strlen($parent['allow_gid']))
 223                         || (strlen($parent['deny_cid']))
 224                         || (strlen($parent['deny_gid']))) {
 225                         $public_message = false; // private recipients, not public
 226                 }
 227
 228                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `blocked` = 0 AND `pending` = 0",
 229                         intval($contact_id)
 230                 );
 231
 232                 if(count($r))
 233                         $contact = $r[0];
 234
 235                 $hubxml = feed_hublinks();
 236
 237                 logger('notifier: slaps: ' . print_r($slaps,true), LOGGER_DATA);
 238
 239                 require_once('include/salmon.php');
 240
 241                 if($contact['self'])
 242                         continue;
 243
 244                 $deliver_status = 0;
 245
 246                 switch($contact['network']) {
 247
 248                         case NETWORK_DFRN :
 249                                 logger('notifier: dfrndelivery: ' . $contact['name']);
 250
 251                                 $feed_template = get_markup_template('atom_feed.tpl');
 252                                 $mail_template = get_markup_template('atom_mail.tpl');
 253
 254                                 $atom = '';
 255
 256
 257                                 $birthday = feed_birthday($owner['uid'],$owner['timezone']);
 258
 259                                 if(strlen($birthday))
 260                                         $birthday = '<dfrn:birthday>' . xmlify($birthday) . '</dfrn:birthday>';
 261
 262                                 $atom .= replace_macros($feed_template, array(
 263                                                 '$version'      => xmlify(FRIENDICA_VERSION),
 264                                                 '$feed_id'      => xmlify($a->get_baseurl() . '/profile/' . $owner['nickname'] ),
 265                                                 '$feed_title'   => xmlify($owner['name']),
 266                                                 '$feed_updated' => xmlify(datetime_convert('UTC', 'UTC', $updated . '+00:00' , ATOM_TIME)) ,
 267                                                 '$hub'          => $hubxml,
 268                                                 '$salmon'       => '',  // private feed, we don't use salmon here
 269                                                 '$name'         => xmlify($owner['name']),
 270                                                 '$profile_page' => xmlify($owner['url']),
 271                                                 '$photo'        => xmlify($owner['photo']),
 272                                                 '$thumb'        => xmlify($owner['thumb']),
 273                                                 '$picdate'      => xmlify(datetime_convert('UTC','UTC',$owner['avatar-date'] . '+00:00' , ATOM_TIME)) ,
 274                                                 '$uridate'      => xmlify(datetime_convert('UTC','UTC',$owner['uri-date']    . '+00:00' , ATOM_TIME)) ,
 275                                                 '$namdate'      => xmlify(datetime_convert('UTC','UTC',$owner['name-date']   . '+00:00' , ATOM_TIME)) ,
 276                                                 '$birthday'     => $birthday,
 277                                                 '$community'    => (($owner['page-flags'] == PAGE_COMMUNITY) ? '<dfrn:community>1</dfrn:community>' : '')
 278                                 ));
 279
 280                                 foreach($items as $item) {
 281                                         if(! $item['parent'])
 282                                                 continue;
 283
 284                                         // private emails may be in included in public conversations. Filter them.
 285                                         if(($public_message) && $item['private'] == 1)
 286                                                 continue;
 287
 288                                         $item_contact = get_item_contact($item,$icontacts);
 289                                         if(! $item_contact)
 290                                                 continue;
 291
 292                                         if($normal_mode) {
 293                                                 if($item_id == $item['id'] || $item['id'] == $item['parent'])
 294                                                         $atom .= atom_entry($item,'text',null,$owner,true,(($top_level) ? $contact['id'] : 0));
 295                                         }
 296                                         else
 297                                                 $atom .= atom_entry($item,'text',null,$owner,true);
 298
 299                                 }
 300
 301                                 $atom .= '</feed>' . "\r\n";
 302
 303                                 logger('notifier: ' . $atom, LOGGER_DATA);
 304                                 $basepath =  implode('/', array_slice(explode('/',$contact['url']),0,3));
 305
 306                                 // perform local delivery if we are on the same site
 307
 308                                 if(link_compare($basepath,$a->get_baseurl())) {
 309
 310                                         $nickname = basename($contact['url']);
 311                                         if($contact['issued-id'])
 312                                                 $sql_extra = sprintf(" AND `dfrn-id` = '%s' ", dbesc($contact['issued-id']));
 313                                         else
 314                                                 $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($contact['dfrn-id']));
 315
 316                                         $x = q("SELECT  `contact`.*, `contact`.`uid` AS `importer_uid`,
 317                                                 `contact`.`pubkey` AS `cpubkey`,
 318                                                 `contact`.`prvkey` AS `cprvkey`,
 319                                                 `contact`.`thumb` AS `thumb`,
 320                                                 `contact`.`url` as `url`,
 321                                                 `contact`.`name` as `senderName`,
 322                                                 `user`.*
 323                                                 FROM `contact`
 324                                                 INNER JOIN `user` ON `contact`.`uid` = `user`.`uid`
 325                                                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 326                                                 AND `contact`.`network` = '%s' AND `user`.`nickname` = '%s'
 327                                                 $sql_extra
 328                                                 AND `user`.`account_expired` = 0 AND `user`.`account_removed` = 0 LIMIT 1",
 329                                                 dbesc(NETWORK_DFRN),
 330                                                 dbesc($nickname)
 331                                         );
 332
 333                                         if($x && count($x)) {
 334                                                 $write_flag = ((($x[0]['rel']) && ($x[0]['rel'] != CONTACT_IS_SHARING)) ? true : false);
 335                                                 if((($owner['page-flags'] == PAGE_COMMUNITY) || ($write_flag)) && (! $x[0]['writable'])) {
 336                                                         q("update contact set writable = 1 where id = %d",
 337                                                                 intval($x[0]['id'])
 338                                                         );
 339                                                         $x[0]['writable'] = 1;
 340                                                 }
 341
 342                                                 $ssl_policy = get_config('system','ssl_policy');
 343                                                 fix_contact_ssl_policy($x[0],$ssl_policy);
 344
 345                                                 // If we are setup as a soapbox we aren't accepting top level posts from this person
 346
 347                                                 if (($x[0]['page-flags'] == PAGE_SOAPBOX) AND $top_level)
 348                                                         break;
 349
 350                                                 require_once('library/simplepie/simplepie.inc');
 351                                                 logger('mod-delivery: local delivery');
 352                                                 local_delivery($x[0],$atom);
 353                                                 break;
 354                                         }
 355                                 }
 356
 357                                 if(! was_recently_delayed($contact['id']))
 358                                         $deliver_status = dfrn_deliver($owner,$contact,$atom);
 359                                 else
 360                                         $deliver_status = (-1);
 361
 362                                 logger('notifier: dfrn_delivery returns ' . $deliver_status);
 363
 364                                 if($deliver_status == (-1)) {
 365                                         logger('notifier: delivery failed: queuing message');
 366                                         add_to_queue($contact['id'],NETWORK_DFRN,$atom);
 367                                 }
 368                                 break;
 369
 370                         case NETWORK_OSTATUS :
 371                                 // Do not send to otatus if we are not configured to send to public networks
 372                                 if($owner['prvnets'])
 373                                         break;
 374                                 if(get_config('system','ostatus_disabled') || get_config('system','dfrn_only'))
 375                                         break;
 376
 377                                 // only send salmon if public - e.g. if it's ok to notify
 378                                 // a public hub, it's ok to send a salmon
 379
 380                                 if(($public_message) && (! $expire)) {
 381                                         $slaps = array();
 382
 383                                         foreach($items as $item) {
 384                                                 if(! $item['parent'])
 385                                                         continue;
 386
 387                                                 // private emails may be in included in public conversations. Filter them.
 388                                                 if(($public_message) && $item['private'] == 1)
 389                                                         continue;
 390
 391                                                 $item_contact = get_item_contact($item,$icontacts);
 392                                                 if(! $item_contact)
 393                                                         continue;
 394
 395                                                 if(($top_level) && ($public_message) && ($item['author-link'] === $item['owner-link']) && (! $expire))
 396                                                         $slaps[] = ostatus_salmon($item,$owner);
 397                                                         //$slaps[] = atom_entry($item,'html',null,$owner,true);
 398                                         }
 399
 400                                         logger('notifier: slapdelivery: ' . $contact['name']);
 401                                         foreach($slaps as $slappy) {
 402                                                 if($contact['notify']) {
 403                                                         if(! was_recently_delayed($contact['id']))
 404                                                                 $deliver_status = slapper($owner,$contact['notify'],$slappy);
 405                                                         else
 406                                                                 $deliver_status = (-1);
 407
 408                                                         if($deliver_status == (-1)) {
 409                                                                 // queue message for redelivery
 410                                                                 add_to_queue($contact['id'],NETWORK_OSTATUS,$slappy);
 411                                                         }
 412                                                 }
 413                                         }
 414                                 }
 415
 416                                 break;
 417
 418                         case NETWORK_MAIL :
 419                         case NETWORK_MAIL2:
 420
 421                                 if(get_config('system','dfrn_only'))
 422                                         break;
 423                                 // WARNING: does not currently convert to RFC2047 header encodings, etc.
 424
 425                                 $addr = $contact['addr'];
 426                                 if(! strlen($addr))
 427                                         break;
 428
 429                                 if($cmd === 'wall-new' || $cmd === 'comment-new') {
 430
 431                                         $it = null;
 432                                         if($cmd === 'wall-new')
 433                                                 $it = $items[0];
 434                                         else {
 435                                                 $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 436                                                         intval($argv[2]),
 437                                                         intval($uid)
 438                                                 );
 439                                                 if(count($r))
 440                                                         $it = $r[0];
 441                                         }
 442                                         if(! $it)
 443                                                 break;
 444
 445
 446                                         $local_user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
 447                                                 intval($uid)
 448                                         );
 449                                         if(! count($local_user))
 450                                                 break;
 451
 452                                         $reply_to = '';
 453                                         $r1 = q("SELECT * FROM `mailacct` WHERE `uid` = %d LIMIT 1",
 454                                                 intval($uid)
 455                                         );
 456                                         if($r1 && $r1[0]['reply_to'])
 457                                                 $reply_to = $r1[0]['reply_to'];
 458
 459                                         $subject  = (($it['title']) ? email_header_encode($it['title'],'UTF-8') : t("\x28no subject\x29")) ;
 460
 461                                         // only expose our real email address to true friends
 462
 463                                         if(($contact['rel'] == CONTACT_IS_FRIEND) && (! $contact['blocked'])) {
 464                                                 if($reply_to) {
 465                                                         $headers  = 'From: '.email_header_encode($local_user[0]['username'],'UTF-8').' <'.$reply_to.'>'."\n";
 466                                                         $headers .= 'Sender: '.$local_user[0]['email']."\n";
 467                                                 } else
 468                                                         $headers  = 'From: '.email_header_encode($local_user[0]['username'],'UTF-8').' <'.$local_user[0]['email'].'>'."\n";
 469                                         } else
 470                                                 $headers  = 'From: ' . email_header_encode($local_user[0]['username'],'UTF-8') . ' <' . t('noreply') . '@' . $a->get_hostname() . '>' . "\n";
 471
 472                                         //if($reply_to)
 473                                         //      $headers .= 'Reply-to: ' . $reply_to . "\n";
 474
 475                                         $headers .= 'Message-Id: <' . iri2msgid($it['uri']). '>' . "\n";
 476
 477                                         //logger("Mail: uri: ".$it['uri']." parent-uri ".$it['parent-uri'], LOGGER_DEBUG);
 478                                         //logger("Mail: Data: ".print_r($it, true), LOGGER_DEBUG);
 479                                         //logger("Mail: Data: ".print_r($it, true), LOGGER_DATA);
 480
 481                                         if($it['uri'] !== $it['parent-uri']) {
 482                                                 $headers .= "References: <".iri2msgid($it["parent-uri"]).">";
 483
 484                                                 // If Threading is enabled, write down the correct parent
 485                                                 if (($it["thr-parent"] != "") and ($it["thr-parent"] != $it["parent-uri"]))
 486                                                         $headers .= " <".iri2msgid($it["thr-parent"]).">";
 487                                                 $headers .= "\n";
 488
 489                                                 if(!$it['title']) {
 490                                                         $r = q("SELECT `title` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 491                                                                 dbesc($it['parent-uri']),
 492                                                                 intval($uid));
 493
 494                                                         if(count($r) AND ($r[0]['title'] != ''))
 495                                                                 $subject = $r[0]['title'];
 496                                                         else {
 497                                                                 $r = q("SELECT `title` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d LIMIT 1",
 498                                                                         dbesc($it['parent-uri']),
 499                                                                         intval($uid));
 500
 501                                                                 if(count($r) AND ($r[0]['title'] != ''))
 502                                                                         $subject = $r[0]['title'];
 503                                                         }
 504                                                 }
 505                                                 if(strncasecmp($subject,'RE:',3))
 506                                                         $subject = 'Re: '.$subject;
 507                                         }
 508                                         email_send($addr, $subject, $headers, $it);
 509                                 }
 510                                 break;
 511
 512                         case NETWORK_DIASPORA :
 513                                 if($public_message)
 514                                         $loc = 'public batch ' . $contact['batch'];
 515                                 else
 516                                         $loc = $contact['name'];
 517
 518                                 logger('delivery: diaspora batch deliver: ' . $loc);
 519
 520                                 if(get_config('system','dfrn_only') || (! get_config('system','diaspora_enabled')) || (! $normal_mode))
 521                                         break;
 522
 523                                 if((! $contact['pubkey']) && (! $public_message))
 524                                         break;
 525
 526                                 $unsupported_activities = array(ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE);
 527
 528                                 //don't transmit activities which are not supported by diaspora
 529                                 foreach($unsupported_activities as $act) {
 530                                         if(activity_match($target_item['verb'],$act)) {
 531                                                 break 2;
 532                                         }
 533                                 }
 534
 535                                 if(($target_item['deleted']) && ($target_item['uri'] === $target_item['parent-uri'])) {
 536                                         // top-level retraction
 537                                         logger('delivery: diaspora retract: ' . $loc);
 538
 539                                         diaspora_send_retraction($target_item,$owner,$contact,$public_message);
 540                                         break;
 541                                 }
 542                                 elseif($target_item['uri'] !== $target_item['parent-uri']) {
 543                                         // we are the relay - send comments, likes and relayable_retractions to our conversants
 544                                         logger('delivery: diaspora relay: ' . $loc);
 545
 546                                         diaspora_send_relay($target_item,$owner,$contact,$public_message);
 547                                         break;
 548                                 }
 549                                 elseif(($top_level) && (! $walltowall)) {
 550                                         // currently no workable solution for sending walltowall
 551                                         logger('delivery: diaspora status: ' . $loc);
 552                                         diaspora_send_status($target_item,$owner,$contact,$public_message);
 553                                         break;
 554                                 }
 555
 556                                 logger('delivery: diaspora unknown mode: ' . $contact['name']);
 557
 558                                 break;
 559
 560                         case NETWORK_FEED :
 561                         case NETWORK_FACEBOOK :
 562                                 if(get_config('system','dfrn_only'))
 563                                         break;
 564                         case NETWORK_PUMPIO :
 565                                 if(get_config('system','dfrn_only'))
 566                                         break;
 567                         default:
 568                                 break;
 569                 }
 570         }
 571
 572         return;
 573 }
 574
 575 if (array_search(__file__,get_included_files())===0){
 576   delivery_run($_SERVER["argv"],$_SERVER["argc"]);
 577   killme();
 578 }