src/Worker/OnePoll.php

   1 <?php
   2 /**
   3  * @file src/Worker/OnePoll.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\Core\Logger;
   8 use Friendica\Core\Protocol;
   9 use Friendica\Database\DBA;
  10 use Friendica\DI;
  11 use Friendica\Model\Contact;
  12 use Friendica\Model\Item;
  13 use Friendica\Model\User;
  14 use Friendica\Protocol\Activity;
  15 use Friendica\Protocol\ActivityPub;
  16 use Friendica\Protocol\Email;
  17 use Friendica\Protocol\PortableContact;
  18 use Friendica\Util\DateTimeFormat;
  19 use Friendica\Util\Network;
  20 use Friendica\Util\Strings;
  21 use Friendica\Util\XML;
  22
  23 class OnePoll
  24 {
  25         public static function execute($contact_id = 0, $command = '')
  26         {
  27                 Logger::log('Start for contact ' . $contact_id);
  28
  29                 $force = false;
  30
  31                 if ($command == "force") {
  32                         $force = true;
  33                 }
  34
  35                 if (!$contact_id) {
  36                         Logger::log('no contact');
  37                         return;
  38                 }
  39
  40                 Contact::updateFromProbe($contact_id, '', $force);
  41
  42                 $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  43                 if (!DBA::isResult($contact)) {
  44                         Logger::log('Contact not found or cannot be used.');
  45                         return;
  46                 }
  47
  48                 // Special treatment for wrongly detected local contacts
  49                 if (!$force && ($contact['network'] != Protocol::DFRN) && Contact::isLocalById($contact_id)) {
  50                         Contact::updateFromProbe($contact_id, Protocol::DFRN, true);
  51                         $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  52                 }
  53
  54                 if (($contact['network'] == Protocol::DFRN) && !Contact::isLegacyDFRNContact($contact)) {
  55                         $protocol = Protocol::ACTIVITYPUB;
  56                 } else {
  57                         $protocol = $contact['network'];
  58                 }
  59
  60                 $importer_uid = $contact['uid'];
  61
  62                 $updated = DateTimeFormat::utcNow();
  63
  64                 if ($importer_uid == 0) {
  65                         Logger::log('Ignore public contacts');
  66
  67                         // set the last-update so we don't keep polling
  68                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
  69                         return;
  70                 }
  71
  72                 // Possibly switch the remote contact to AP
  73                 if ($protocol === Protocol::OSTATUS) {
  74                         ActivityPub\Receiver::switchContact($contact['id'], $importer_uid, $contact['url']);
  75                         $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  76                 }
  77
  78                 // load current friends if possible.
  79                 if (!empty($contact['poco']) && ($contact['success_update'] > $contact['failure_update'])) {
  80                         if (!DBA::exists('glink', ["`cid` = ? AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY", $contact['id']])) {
  81                                 PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
  82                         }
  83                 }
  84
  85                 // Don't poll if polling is deactivated (But we poll feeds and mails anyway)
  86                 if (!in_array($protocol, [Protocol::FEED, Protocol::MAIL]) && DI::config()->get('system', 'disable_polling')) {
  87                         Logger::log('Polling is disabled');
  88
  89                         // set the last-update so we don't keep polling
  90                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
  91                         return;
  92                 }
  93
  94                 // We don't poll AP contacts by now
  95                 if ($protocol === Protocol::ACTIVITYPUB) {
  96                         Logger::log("Don't poll AP contact");
  97
  98                         // set the last-update so we don't keep polling
  99                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 100                         return;
 101                 }
 102
 103                 $importer = User::getOwnerDataById($importer_uid);
 104
 105                 if (empty($importer)) {
 106                         Logger::log('No self contact for user '.$importer_uid);
 107
 108                         // set the last-update so we don't keep polling
 109                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 110                         return;
 111                 }
 112
 113                 $url = '';
 114                 $xml = false;
 115
 116                 if ($contact['subhub']) {
 117                         $poll_interval = DI::config()->get('system', 'pushpoll_frequency', 3);
 118                         $contact['priority'] = intval($poll_interval);
 119                         $hub_update = false;
 120
 121                         if (DateTimeFormat::utcNow() > DateTimeFormat::utc($contact['last-update'] . " + 1 day")) {
 122                                 $hub_update = true;
 123                         }
 124                 } else {
 125                         $hub_update = false;
 126                 }
 127
 128                 Logger::log("poll: ({$protocol}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 129
 130                 $xml = '';
 131
 132                 if ($protocol === Protocol::DFRN) {
 133                         $xml = self::pollDFRN($contact, $updated);
 134                 } elseif (($protocol === Protocol::OSTATUS)
 135                         || ($protocol === Protocol::DIASPORA)
 136                         || ($protocol === Protocol::FEED)) {
 137                         $xml = self::pollFeed($contact, $protocol, $updated);
 138                 } elseif ($protocol === Protocol::MAIL) {
 139                         self::pollMail($contact, $importer_uid, $updated);
 140                 }
 141
 142                 if (!empty($xml)) {
 143                         Logger::log('received xml : ' . $xml, Logger::DATA);
 144                         if (!strstr($xml, '<')) {
 145                                 Logger::log('post_handshake: response from ' . $url . ' did not contain XML.');
 146
 147                                 $fields = ['last-update' => $updated, 'failure_update' => $updated];
 148                                 self::updateContact($contact, $fields);
 149                                 Contact::markForArchival($contact);
 150                                 return;
 151                         }
 152
 153
 154                         Logger::log("Consume feed of contact ".$contact['id']);
 155
 156                         consume_feed($xml, $importer, $contact, $hub);
 157
 158                         // do it a second time for DFRN so that any children find their parents.
 159                         if ($protocol === Protocol::DFRN) {
 160                                 consume_feed($xml, $importer, $contact, $hub);
 161                         }
 162
 163                         $hubmode = 'subscribe';
 164                         if ($protocol === Protocol::DFRN || $contact['blocked']) {
 165                                 $hubmode = 'unsubscribe';
 166                         }
 167
 168                         if (($protocol === Protocol::OSTATUS ||  $protocol == Protocol::FEED) && (! $contact['hub-verify'])) {
 169                                 $hub_update = true;
 170                         }
 171
 172                         if ($force) {
 173                                 $hub_update = true;
 174                         }
 175
 176                         Logger::log("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$protocol." Relation: ".$contact['rel']." Update: ".$hub_update);
 177
 178                         if (strlen($hub) && $hub_update && (($contact['rel'] != Contact::FOLLOWER) || $protocol == Protocol::FEED)) {
 179                                 Logger::log('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 180                                 $hubs = explode(',', $hub);
 181
 182                                 if (count($hubs)) {
 183                                         foreach ($hubs as $h) {
 184                                                 $h = trim($h);
 185
 186                                                 if (!strlen($h)) {
 187                                                         continue;
 188                                                 }
 189
 190                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 191                                         }
 192                                 }
 193                         }
 194
 195                         self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
 196                         Contact::unmarkForArchival($contact);
 197                 } elseif (in_array($contact["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::FEED])) {
 198                         self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 199                         Contact::markForArchival($contact);
 200                 } else {
 201                         self::updateContact($contact, ['last-update' => $updated]);
 202                 }
 203
 204                 Logger::log('End');
 205                 return;
 206         }
 207
 208         private static function RemoveReply($subject)
 209         {
 210                 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
 211                         $subject = trim(substr($subject, 4));
 212                 }
 213
 214                 return $subject;
 215         }
 216
 217         /**
 218          * Updates a personal contact entry and the public contact entry
 219          *
 220          * @param array $contact The personal contact entry
 221          * @param array $fields  The fields that are updated
 222          * @throws \Exception
 223          */
 224         private static function updateContact(array $contact, array $fields)
 225         {
 226                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 227                 DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
 228         }
 229
 230         /**
 231          * Poll DFRN contacts
 232          *
 233          * @param  array  $contact The personal contact entry
 234          * @param  string $updated The updated date
 235          * @return string polled XML
 236          * @throws \Exception
 237          */
 238         private static function pollDFRN(array $contact, $updated)
 239         {
 240                 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 241                 if (intval($contact['duplex']) && $contact['dfrn-id']) {
 242                         $idtosend = '0:' . $orig_id;
 243                 }
 244                 if (intval($contact['duplex']) && $contact['issued-id']) {
 245                         $idtosend = '1:' . $orig_id;
 246                 }
 247
 248                 // they have permission to write to us. We already filtered this in the contact query.
 249                 $perm = 'rw';
 250
 251                 // But this may be our first communication, so set the writable flag if it isn't set already.
 252                 if (!intval($contact['writable'])) {
 253                         $fields = ['writable' => true];
 254                         DBA::update('contact', $fields, ['id' => $contact['id']]);
 255                 }
 256
 257                 $last_update = (($contact['last-update'] <= DBA::NULL_DATETIME)
 258                         ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
 259                         : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
 260                 );
 261
 262                 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 263                         . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 264                         . '&type=data&last_update=' . $last_update
 265                         . '&perm=' . $perm;
 266
 267                 $curlResult = Network::curl($url);
 268
 269                 if (!$curlResult->isSuccess() && ($curlResult->getErrorNumber() == CURLE_OPERATION_TIMEDOUT)) {
 270                         // set the last-update so we don't keep polling
 271                         self::updateContact($contact, ['last-update' => $updated]);
 272                         Contact::markForArchival($contact);
 273                         Logger::log('Contact archived');
 274                         return false;
 275                 }
 276
 277                 $handshake_xml = $curlResult->getBody();
 278                 $html_code = $curlResult->getReturnCode();
 279
 280                 Logger::log('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, Logger::DATA);
 281
 282                 if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 283                         // dead connection - might be a transient event, or this might
 284                         // mean the software was uninstalled or the domain expired.
 285                         // Will keep trying for one month.
 286                         Logger::log("$url appears to be dead - marking for death ");
 287
 288                         // set the last-update so we don't keep polling
 289                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 290                         self::updateContact($contact, $fields);
 291                         Contact::markForArchival($contact);
 292                         return false;
 293                 }
 294
 295                 if (!strstr($handshake_xml, '<')) {
 296                         Logger::log('response from ' . $url . ' did not contain XML.');
 297
 298                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 299                         self::updateContact($contact, $fields);
 300                         Contact::markForArchival($contact);
 301                         return false;
 302                 }
 303
 304                 $res = XML::parseString($handshake_xml);
 305
 306                 if (!is_object($res)) {
 307                         Logger::info('Unparseable response', ['url' => $url]);
 308
 309                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 310                         self::updateContact($contact, $fields);
 311                         Contact::markForArchival($contact);
 312                         return false;
 313                 }
 314
 315                 if (intval($res->status) == 1) {
 316                         // we may not be friends anymore. Will keep trying for one month.
 317                         Logger::log("$url replied status 1 - marking for death ");
 318
 319                         // set the last-update so we don't keep polling
 320                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 321                         self::updateContact($contact, $fields);
 322                         Contact::markForArchival($contact);
 323                 } elseif ($contact['term-date'] > DBA::NULL_DATETIME) {
 324                         Contact::unmarkForArchival($contact);
 325                 }
 326
 327                 if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 328                         // set the last-update so we don't keep polling
 329                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 330                         Logger::log('Contact status is ' . $res->status);
 331                         return false;
 332                 }
 333
 334                 if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 335                         $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
 336                         DBA::update('contact', $fields, ['id' => $contact['id']]);
 337                 }
 338
 339                 $postvars = [];
 340
 341                 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 342                 $challenge    = hex2bin((string) $res->challenge);
 343
 344                 $final_dfrn_id = '';
 345
 346                 if ($contact['duplex'] && strlen($contact['prvkey'])) {
 347                         openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 348                         openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 349                 } else {
 350                         openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 351                         openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 352                 }
 353
 354                 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 355
 356                 if (strpos($final_dfrn_id, ':') == 1) {
 357                         $final_dfrn_id = substr($final_dfrn_id, 2);
 358                 }
 359
 360                 // There are issues with the legacy DFRN transport layer.
 361                 // Since we mostly don't use it anyway, we won't dig into it deeper, but simply ignore it.
 362                 if (empty($final_dfrn_id) || empty($orig_id)) {
 363                         Logger::log('Contact has got no ID - quitting');
 364                         return false;
 365                 }
 366
 367                 if ($final_dfrn_id != $orig_id) {
 368                         // did not decode properly - cannot trust this site
 369                         Logger::log('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 370
 371                         // set the last-update so we don't keep polling
 372                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 373                         Contact::markForArchival($contact);
 374                         return false;
 375                 }
 376
 377                 $postvars['dfrn_id'] = $idtosend;
 378                 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 379                 $postvars['perm'] = 'rw';
 380
 381                 return Network::post($contact['poll'], $postvars)->getBody();
 382         }
 383
 384         /**
 385          * Poll Feed/OStatus contacts
 386          *
 387          * @param  array  $contact The personal contact entry
 388          * @param  string $protocol The used protocol of the contact
 389          * @param  string $updated The updated date
 390          * @return string polled XML
 391          * @throws \Exception
 392          */
 393         private static function pollFeed(array $contact, $protocol, $updated)
 394         {
 395                 // Upgrading DB fields from an older Friendica version
 396                 // Will only do this once per notify-enabled OStatus contact
 397                 // or if relationship changes
 398
 399                 $stat_writeable = ((($contact['notify']) && ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND)) ? 1 : 0);
 400
 401                 // Contacts from OStatus are always writable
 402                 if ($protocol === Protocol::OSTATUS) {
 403                         $stat_writeable = 1;
 404                 }
 405
 406                 if ($stat_writeable != $contact['writable']) {
 407                         $fields = ['writable' => $stat_writeable];
 408                         DBA::update('contact', $fields, ['id' => $contact['id']]);
 409                 }
 410
 411                 // Are we allowed to import from this person?
 412                 if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
 413                         // set the last-update so we don't keep polling
 414                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 415                         Logger::log('Contact is blocked or only a follower');
 416                         return false;
 417                 }
 418
 419                 $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 420                 $curlResult = Network::curl($contact['poll'], false, ['cookiejar' => $cookiejar]);
 421                 unlink($cookiejar);
 422
 423                 if ($curlResult->isTimeout()) {
 424                         // set the last-update so we don't keep polling
 425                         self::updateContact($contact, ['last-update' => $updated]);
 426                         Contact::markForArchival($contact);
 427                         Logger::log('Contact archived');
 428                         return false;
 429                 }
 430
 431                 return $curlResult->getBody();
 432         }
 433
 434         /**
 435          * Poll Mail contacts
 436          *
 437          * @param  array   $contact      The personal contact entry
 438          * @param  integer $importer_uid The UID of the importer
 439          * @param  string  $updated      The updated date
 440          * @throws \Exception
 441          */
 442         private static function pollMail(array $contact, $importer_uid, $updated)
 443         {
 444                 Logger::log("Mail: Fetching for ".$contact['addr'], Logger::DEBUG);
 445
 446                 $mail_disabled = ((function_exists('imap_open') && !DI::config()->get('system', 'imap_disabled')) ? 0 : 1);
 447                 if ($mail_disabled) {
 448                         // set the last-update so we don't keep polling
 449                         self::updateContact($contact, ['last-update' => $updated]);
 450                         Contact::markForArchival($contact);
 451                         Logger::log('Contact archived');
 452                         return;
 453                 }
 454
 455                 Logger::log("Mail: Enabled", Logger::DEBUG);
 456
 457                 $mbox = null;
 458                 $user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
 459
 460                 $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
 461                 $mailconf = DBA::selectFirst('mailacct', [], $condition);
 462                 if (DBA::isResult($user) && DBA::isResult($mailconf)) {
 463                         $mailbox = Email::constructMailboxName($mailconf);
 464                         $password = '';
 465                         openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
 466                         $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 467                         unset($password);
 468                         Logger::log("Mail: Connect to " . $mailconf['user']);
 469                         if ($mbox) {
 470                                 $fields = ['last_check' => $updated];
 471                                 DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
 472                                 Logger::log("Mail: Connected to " . $mailconf['user']);
 473                         } else {
 474                                 Logger::log("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 475                         }
 476                 }
 477
 478                 if (!$mbox) {
 479                         return;
 480                 }
 481
 482                 $msgs = Email::poll($mbox, $contact['addr']);
 483
 484                 if (count($msgs)) {
 485                         Logger::log("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], Logger::DEBUG);
 486
 487                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 488
 489                         if (count($metas) != count($msgs)) {
 490                                 Logger::log("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", Logger::DEBUG);
 491                         } else {
 492                                 $msgs = array_combine($msgs, $metas);
 493
 494                                 foreach ($msgs as $msg_uid => $meta) {
 495                                         Logger::log("Mail: Parsing mail ".$msg_uid, Logger::DATA);
 496
 497                                         $datarray = [];
 498                                         $datarray['uid'] = $importer_uid;
 499                                         $datarray['contact-id'] = $contact['id'];
 500                                         $datarray['verb'] = Activity::POST;
 501                                         $datarray['object-type'] = Activity\ObjectType::NOTE;
 502                                         $datarray['network'] = Protocol::MAIL;
 503                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 504
 505                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 506
 507                                         // Have we seen it before?
 508                                         $fields = ['deleted', 'id'];
 509                                         $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
 510                                         $item = Item::selectFirst($fields, $condition);
 511                                         if (DBA::isResult($item)) {
 512                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],Logger::DEBUG);
 513
 514                                                 // Only delete when mails aren't automatically moved or deleted
 515                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 516                                                         if ($meta->deleted && ! $item['deleted']) {
 517                                                                 $fields = ['deleted' => true, 'changed' => $updated];
 518                                                                 Item::update($fields, ['id' => $item['id']]);
 519                                                         }
 520
 521                                                 switch ($mailconf['action']) {
 522                                                         case 0:
 523                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 524                                                                 break;
 525                                                         case 1:
 526                                                                 Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 527                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 528                                                                 break;
 529                                                         case 2:
 530                                                                 Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 531                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 532                                                                 break;
 533                                                         case 3:
 534                                                                 Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 535                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 536                                                                 if ($mailconf['movetofolder'] != "") {
 537                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 538                                                                 }
 539                                                                 break;
 540                                                 }
 541                                                 continue;
 542                                         }
 543
 544                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 545                                         $raw_refs = (property_exists($meta, 'references') ? str_replace("\t", '', $meta->references) : '');
 546                                         if (!trim($raw_refs)) {
 547                                                 $raw_refs = (property_exists($meta, 'in_reply_to') ? str_replace("\t", '', $meta->in_reply_to) : '');
 548                                         }
 549                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 550
 551                                         if ($raw_refs) {
 552                                                 $refs_arr = explode(' ', $raw_refs);
 553                                                 if (count($refs_arr)) {
 554                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 555                                                                 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
 556                                                         }
 557                                                 }
 558                                                 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
 559                                                 $parent = Item::selectFirst(['parent-uri'], $condition);
 560                                                 if (DBA::isResult($parent)) {
 561                                                         $datarray['parent-uri'] = $parent['parent-uri'];  // Set the parent as the top-level item
 562                                                 }
 563                                         }
 564
 565                                         // Decoding the header
 566                                         $subject = imap_mime_header_decode($meta->subject ?? '');
 567                                         $datarray['title'] = "";
 568                                         foreach ($subject as $subpart) {
 569                                                 if ($subpart->charset != "default") {
 570                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 571                                                 } else {
 572                                                         $datarray['title'] .= $subpart->text;
 573                                                 }
 574                                         }
 575                                         $datarray['title'] = Strings::escapeTags(trim($datarray['title']));
 576
 577                                         //$datarray['title'] = Strings::escapeTags(trim($meta->subject));
 578                                         $datarray['created'] = DateTimeFormat::utc($meta->date);
 579
 580                                         // Is it a reply?
 581                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 582                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 583                                                 ($raw_refs != ""));
 584
 585                                         // Remove Reply-signs in the subject
 586                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 587
 588                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 589                                         if (empty($datarray['parent-uri']) && $reply) {
 590                                                 $condition = ['title' => $datarray['title'], 'uid' => $importer_uid, 'network' => Protocol::MAIL];
 591                                                 $params = ['order' => ['created' => true]];
 592                                                 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
 593                                                 if (DBA::isResult($parent)) {
 594                                                         $datarray['parent-uri'] = $parent['parent-uri'];
 595                                                 }
 596                                         }
 597
 598                                         if (empty($datarray['parent-uri'])) {
 599                                                 $datarray['parent-uri'] = $datarray['uri'];
 600                                         }
 601
 602                                         $headers = imap_headerinfo($mbox, $meta->msgno);
 603
 604                                         $object = [];
 605
 606                                         if (!empty($headers->from)) {
 607                                                 $object['from'] = $headers->from;
 608                                         }
 609
 610                                         if (!empty($headers->to)) {
 611                                                 $object['to'] = $headers->to;
 612                                         }
 613
 614                                         if (!empty($headers->reply_to)) {
 615                                                 $object['reply_to'] = $headers->reply_to;
 616                                         }
 617
 618                                         if (!empty($headers->sender)) {
 619                                                 $object['sender'] = $headers->sender;
 620                                         }
 621
 622                                         if (!empty($object)) {
 623                                                 $datarray['object'] = json_encode($object);
 624                                         }
 625
 626                                         $fromname = $frommail = $headers->from[0]->mailbox . '@' . $headers->from[0]->host;
 627                                         if (!empty($headers->from[0]->personal)) {
 628                                                 $fromname = $headers->from[0]->personal;
 629                                         }
 630
 631                                         $datarray['author-name'] = $fromname;
 632                                         $datarray['author-link'] = "mailto:".$frommail;
 633                                         $datarray['author-avatar'] = $contact['photo'];
 634
 635                                         $datarray['owner-name'] = $contact['name'];
 636                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 637                                         $datarray['owner-avatar'] = $contact['photo'];
 638
 639                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 640                                                 $datarray['private'] = 1;
 641                                         }
 642
 643                                         if (!DI::pConfig()->get($importer_uid, 'system', 'allow_public_email_replies')) {
 644                                                 $datarray['private'] = 1;
 645                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 646                                         }
 647
 648                                         $datarray = Email::getMessage($mbox, $msg_uid, $reply, $datarray);
 649                                         if (empty($datarray['body'])) {
 650                                                 Logger::log("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 651                                                 continue;
 652                                         }
 653
 654                                         Logger::log("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 655
 656                                         Item::insert($datarray);
 657
 658                                         switch ($mailconf['action']) {
 659                                                 case 0:
 660                                                         Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 661                                                         break;
 662                                                 case 1:
 663                                                         Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 664                                                         imap_delete($mbox, $msg_uid, FT_UID);
 665                                                         break;
 666                                                 case 2:
 667                                                         Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 668                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 669                                                         break;
 670                                                 case 3:
 671                                                         Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 672                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 673                                                         if ($mailconf['movetofolder'] != "") {
 674                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 675                                                         }
 676                                                         break;
 677                                         }
 678                                 }
 679                         }
 680                 } else {
 681                         Logger::log("Mail: no mails for ".$mailconf['user']);
 682                 }
 683
 684                 Logger::log("Mail: closing connection for ".$mailconf['user']);
 685                 imap_close($mbox);
 686         }
 687 }