include/delivery.php

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