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