include/delivery.php

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