src/Worker/OnePoll.php

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