src/Worker/OnePoll.php

   1 <?php
   2 /**
   3  * @file src/Worker/OnePoll.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\Core\Config;
   8 use Friendica\Core\Logger;
   9 use Friendica\Core\PConfig;
  10 use Friendica\Core\Protocol;
  11 use Friendica\Database\DBA;
  12 use Friendica\DI;
  13 use Friendica\Model\Contact;
  14 use Friendica\Model\Item;
  15 use Friendica\Model\User;
  16 use Friendica\Protocol\Activity;
  17 use Friendica\Protocol\ActivityPub;
  18 use Friendica\Protocol\Email;
  19 use Friendica\Protocol\PortableContact;
  20 use Friendica\Util\DateTimeFormat;
  21 use Friendica\Util\Network;
  22 use Friendica\Util\Strings;
  23 use Friendica\Util\XML;
  24
  25 class OnePoll
  26 {
  27         public static function execute($contact_id = 0, $command = '')
  28         {
  29                 Logger::log('Start for contact ' . $contact_id);
  30
  31                 $force = false;
  32
  33                 if ($command == "force") {
  34                         $force = true;
  35                 }
  36
  37                 if (!$contact_id) {
  38                         Logger::log('no contact');
  39                         return;
  40                 }
  41
  42                 Contact::updateFromProbe($contact_id, '', $force);
  43
  44                 $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  45                 if (!DBA::isResult($contact)) {
  46                         Logger::log('Contact not found or cannot be used.');
  47                         return;
  48                 }
  49
  50                 // Special treatment for wrongly detected local contacts
  51                 if (!$force && ($contact['network'] != Protocol::DFRN) && Contact::isLocalById($contact_id)) {
  52                         Contact::updateFromProbe($contact_id, Protocol::DFRN, true);
  53                         $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  54                 }
  55
  56                 if (($contact['network'] == Protocol::DFRN) && !Contact::isLegacyDFRNContact($contact)) {
  57                         $protocol = Protocol::ACTIVITYPUB;
  58                 } else {
  59                         $protocol = $contact['network'];
  60                 }
  61
  62                 $importer_uid = $contact['uid'];
  63
  64                 $updated = DateTimeFormat::utcNow();
  65
  66                 if ($importer_uid == 0) {
  67                         Logger::log('Ignore public contacts');
  68
  69                         // set the last-update so we don't keep polling
  70                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
  71                         return;
  72                 }
  73
  74                 // Possibly switch the remote contact to AP
  75                 if ($protocol === Protocol::OSTATUS) {
  76                         ActivityPub\Receiver::switchContact($contact['id'], $importer_uid, $contact['url']);
  77                         $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  78                 }
  79
  80                 // load current friends if possible.
  81                 if (!empty($contact['poco']) && ($contact['success_update'] > $contact['failure_update'])) {
  82                         if (!DBA::exists('glink', ["`cid` = ? AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY", $contact['id']])) {
  83                                 PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
  84                         }
  85                 }
  86
  87                 // Don't poll if polling is deactivated (But we poll feeds and mails anyway)
  88                 if (!in_array($protocol, [Protocol::FEED, Protocol::MAIL]) && Config::get('system', 'disable_polling')) {
  89                         Logger::log('Polling is disabled');
  90
  91                         // set the last-update so we don't keep polling
  92                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
  93                         return;
  94                 }
  95
  96                 // We don't poll AP contacts by now
  97                 if ($protocol === Protocol::ACTIVITYPUB) {
  98                         Logger::log("Don't poll AP contact");
  99
 100                         // set the last-update so we don't keep polling
 101                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 102                         return;
 103                 }
 104
 105                 $importer = User::getOwnerDataById($importer_uid);
 106
 107                 if (empty($importer)) {
 108                         Logger::log('No self contact for user '.$importer_uid);
 109
 110                         // set the last-update so we don't keep polling
 111                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 112                         return;
 113                 }
 114
 115                 $url = '';
 116                 $xml = false;
 117
 118                 if ($contact['subhub']) {
 119                         $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
 120                         $contact['priority'] = intval($poll_interval);
 121                         $hub_update = false;
 122
 123                         if (DateTimeFormat::utcNow() > DateTimeFormat::utc($contact['last-update'] . " + 1 day")) {
 124                                 $hub_update = true;
 125                         }
 126                 } else {
 127                         $hub_update = false;
 128                 }
 129
 130                 Logger::log("poll: ({$protocol}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 131
 132                 $xml = '';
 133
 134                 if ($protocol === Protocol::DFRN) {
 135                         $xml = self::pollDFRN($contact, $updated);
 136                 } elseif (($protocol === Protocol::OSTATUS)
 137                         || ($protocol === Protocol::DIASPORA)
 138                         || ($protocol === Protocol::FEED)) {
 139                         $xml = self::pollFeed($contact, $protocol, $updated);
 140                 } elseif ($protocol === Protocol::MAIL) {
 141                         self::pollMail($contact, $importer_uid, $updated);
 142                 }
 143
 144                 if (!empty($xml)) {
 145                         Logger::log('received xml : ' . $xml, Logger::DATA);
 146                         if (!strstr($xml, '<')) {
 147                                 Logger::log('post_handshake: response from ' . $url . ' did not contain XML.');
 148
 149                                 $fields = ['last-update' => $updated, 'failure_update' => $updated];
 150                                 self::updateContact($contact, $fields);
 151                                 Contact::markForArchival($contact);
 152                                 return;
 153                         }
 154
 155
 156                         Logger::log("Consume feed of contact ".$contact['id']);
 157
 158                         consume_feed($xml, $importer, $contact, $hub);
 159
 160                         // do it a second time for DFRN so that any children find their parents.
 161                         if ($protocol === Protocol::DFRN) {
 162                                 consume_feed($xml, $importer, $contact, $hub);
 163                         }
 164
 165                         $hubmode = 'subscribe';
 166                         if ($protocol === Protocol::DFRN || $contact['blocked']) {
 167                                 $hubmode = 'unsubscribe';
 168                         }
 169
 170                         if (($protocol === Protocol::OSTATUS ||  $protocol == Protocol::FEED) && (! $contact['hub-verify'])) {
 171                                 $hub_update = true;
 172                         }
 173
 174                         if ($force) {
 175                                 $hub_update = true;
 176                         }
 177
 178                         Logger::log("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$protocol." Relation: ".$contact['rel']." Update: ".$hub_update);
 179
 180                         if (strlen($hub) && $hub_update && (($contact['rel'] != Contact::FOLLOWER) || $protocol == Protocol::FEED)) {
 181                                 Logger::log('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 182                                 $hubs = explode(',', $hub);
 183
 184                                 if (count($hubs)) {
 185                                         foreach ($hubs as $h) {
 186                                                 $h = trim($h);
 187
 188                                                 if (!strlen($h)) {
 189                                                         continue;
 190                                                 }
 191
 192                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 193                                         }
 194                                 }
 195                         }
 196
 197                         self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
 198                         Contact::unmarkForArchival($contact);
 199                 } elseif (in_array($contact["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::FEED])) {
 200                         self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 201                         Contact::markForArchival($contact);
 202                 } else {
 203                         self::updateContact($contact, ['last-update' => $updated]);
 204                 }
 205
 206                 Logger::log('End');
 207                 return;
 208         }
 209
 210         private static function RemoveReply($subject)
 211         {
 212                 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
 213                         $subject = trim(substr($subject, 4));
 214                 }
 215
 216                 return $subject;
 217         }
 218
 219         /**
 220          * @brief Updates a personal contact entry and the public contact entry
 221          *
 222          * @param array $contact The personal contact entry
 223          * @param array $fields  The fields that are updated
 224          * @throws \Exception
 225          */
 226         private static function updateContact(array $contact, array $fields)
 227         {
 228                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 229                 DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
 230         }
 231
 232         /**
 233          * @brief Poll DFRN contacts
 234          *
 235          * @param  array  $contact The personal contact entry
 236          * @param  string $updated The updated date
 237          * @return string polled XML
 238          * @throws \Exception
 239          */
 240         private static function pollDFRN(array $contact, $updated)
 241         {
 242                 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 243                 if (intval($contact['duplex']) && $contact['dfrn-id']) {
 244                         $idtosend = '0:' . $orig_id;
 245                 }
 246                 if (intval($contact['duplex']) && $contact['issued-id']) {
 247                         $idtosend = '1:' . $orig_id;
 248                 }
 249
 250                 // they have permission to write to us. We already filtered this in the contact query.
 251                 $perm = 'rw';
 252
 253                 // But this may be our first communication, so set the writable flag if it isn't set already.
 254                 if (!intval($contact['writable'])) {
 255                         $fields = ['writable' => true];
 256                         DBA::update('contact', $fields, ['id' => $contact['id']]);
 257                 }
 258
 259                 $last_update = (($contact['last-update'] <= DBA::NULL_DATETIME)
 260                         ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
 261                         : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
 262                 );
 263
 264                 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 265                         . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 266                         . '&type=data&last_update=' . $last_update
 267                         . '&perm=' . $perm;
 268
 269                 $curlResult = Network::curl($url);
 270
 271                 if (!$curlResult->isSuccess() && ($curlResult->getErrorNumber() == CURLE_OPERATION_TIMEDOUT)) {
 272                         // set the last-update so we don't keep polling
 273                         self::updateContact($contact, ['last-update' => $updated]);
 274                         Contact::markForArchival($contact);
 275                         Logger::log('Contact archived');
 276                         return false;
 277                 }
 278
 279                 $handshake_xml = $curlResult->getBody();
 280                 $html_code = $curlResult->getReturnCode();
 281
 282                 Logger::log('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, Logger::DATA);
 283
 284                 if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 285                         // dead connection - might be a transient event, or this might
 286                         // mean the software was uninstalled or the domain expired.
 287                         // Will keep trying for one month.
 288                         Logger::log("$url appears to be dead - marking for death ");
 289
 290                         // set the last-update so we don't keep polling
 291                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 292                         self::updateContact($contact, $fields);
 293                         Contact::markForArchival($contact);
 294                         return false;
 295                 }
 296
 297                 if (!strstr($handshake_xml, '<')) {
 298                         Logger::log('response from ' . $url . ' did not contain XML.');
 299
 300                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 301                         self::updateContact($contact, $fields);
 302                         Contact::markForArchival($contact);
 303                         return false;
 304                 }
 305
 306                 $res = XML::parseString($handshake_xml);
 307
 308                 if (!is_object($res)) {
 309                         Logger::info('Unparseable response', ['url' => $url]);
 310
 311                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 312                         self::updateContact($contact, $fields);
 313                         Contact::markForArchival($contact);
 314                         return false;
 315                 }
 316
 317                 if (intval($res->status) == 1) {
 318                         // we may not be friends anymore. Will keep trying for one month.
 319                         Logger::log("$url replied status 1 - marking for death ");
 320
 321                         // set the last-update so we don't keep polling
 322                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 323                         self::updateContact($contact, $fields);
 324                         Contact::markForArchival($contact);
 325                 } elseif ($contact['term-date'] > DBA::NULL_DATETIME) {
 326                         Contact::unmarkForArchival($contact);
 327                 }
 328
 329                 if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 330                         // set the last-update so we don't keep polling
 331                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 332                         Logger::log('Contact status is ' . $res->status);
 333                         return false;
 334                 }
 335
 336                 if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 337                         $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
 338                         DBA::update('contact', $fields, ['id' => $contact['id']]);
 339                 }
 340
 341                 $postvars = [];
 342
 343                 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 344                 $challenge    = hex2bin((string) $res->challenge);
 345
 346                 $final_dfrn_id = '';
 347
 348                 if ($contact['duplex'] && strlen($contact['prvkey'])) {
 349                         openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 350                         openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 351                 } else {
 352                         openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 353                         openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 354                 }
 355
 356                 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 357
 358                 if (strpos($final_dfrn_id, ':') == 1) {
 359                         $final_dfrn_id = substr($final_dfrn_id, 2);
 360                 }
 361
 362                 // There are issues with the legacy DFRN transport layer.
 363                 // Since we mostly don't use it anyway, we won't dig into it deeper, but simply ignore it.
 364                 if (empty($final_dfrn_id) || empty($orig_id)) {
 365                         Logger::log('Contact has got no ID - quitting');
 366                         return false;
 367                 }
 368
 369                 if ($final_dfrn_id != $orig_id) {
 370                         // did not decode properly - cannot trust this site
 371                         Logger::log('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 372
 373                         // set the last-update so we don't keep polling
 374                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 375                         Contact::markForArchival($contact);
 376                         return false;
 377                 }
 378
 379                 $postvars['dfrn_id'] = $idtosend;
 380                 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 381                 $postvars['perm'] = 'rw';
 382
 383                 return Network::post($contact['poll'], $postvars)->getBody();
 384         }
 385
 386         /**
 387          * @brief Poll Feed/OStatus contacts
 388          *
 389          * @param  array  $contact The personal contact entry
 390          * @param  string $protocol The used protocol of the contact
 391          * @param  string $updated The updated date
 392          * @return string polled XML
 393          * @throws \Exception
 394          */
 395         private static function pollFeed(array $contact, $protocol, $updated)
 396         {
 397                 // Upgrading DB fields from an older Friendica version
 398                 // Will only do this once per notify-enabled OStatus contact
 399                 // or if relationship changes
 400
 401                 $stat_writeable = ((($contact['notify']) && ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND)) ? 1 : 0);
 402
 403                 // Contacts from OStatus are always writable
 404                 if ($protocol === Protocol::OSTATUS) {
 405                         $stat_writeable = 1;
 406                 }
 407
 408                 if ($stat_writeable != $contact['writable']) {
 409                         $fields = ['writable' => $stat_writeable];
 410                         DBA::update('contact', $fields, ['id' => $contact['id']]);
 411                 }
 412
 413                 // Are we allowed to import from this person?
 414                 if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
 415                         // set the last-update so we don't keep polling
 416                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 417                         Logger::log('Contact is blocked or only a follower');
 418                         return false;
 419                 }
 420
 421                 $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 422                 $curlResult = Network::curl($contact['poll'], false, ['cookiejar' => $cookiejar]);
 423                 unlink($cookiejar);
 424
 425                 if ($curlResult->isTimeout()) {
 426                         // set the last-update so we don't keep polling
 427                         self::updateContact($contact, ['last-update' => $updated]);
 428                         Contact::markForArchival($contact);
 429                         Logger::log('Contact archived');
 430                         return false;
 431                 }
 432
 433                 return $curlResult->getBody();
 434         }
 435
 436         /**
 437          * @brief Poll Mail contacts
 438          *
 439          * @param  array   $contact      The personal contact entry
 440          * @param  integer $importer_uid The UID of the importer
 441          * @param  string  $updated      The updated date
 442          * @throws \Exception
 443          */
 444         private static function pollMail(array $contact, $importer_uid, $updated)
 445         {
 446                 Logger::log("Mail: Fetching for ".$contact['addr'], Logger::DEBUG);
 447
 448                 $mail_disabled = ((function_exists('imap_open') && !Config::get('system', 'imap_disabled')) ? 0 : 1);
 449                 if ($mail_disabled) {
 450                         // set the last-update so we don't keep polling
 451                         self::updateContact($contact, ['last-update' => $updated]);
 452                         Contact::markForArchival($contact);
 453                         Logger::log('Contact archived');
 454                         return;
 455                 }
 456
 457                 Logger::log("Mail: Enabled", Logger::DEBUG);
 458
 459                 $mbox = null;
 460                 $user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
 461
 462                 $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
 463                 $mailconf = DBA::selectFirst('mailacct', [], $condition);
 464                 if (DBA::isResult($user) && DBA::isResult($mailconf)) {
 465                         $mailbox = Email::constructMailboxName($mailconf);
 466                         $password = '';
 467                         openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
 468                         $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 469                         unset($password);
 470                         Logger::log("Mail: Connect to " . $mailconf['user']);
 471                         if ($mbox) {
 472                                 $fields = ['last_check' => $updated];
 473                                 DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
 474                                 Logger::log("Mail: Connected to " . $mailconf['user']);
 475                         } else {
 476                                 Logger::log("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 477                         }
 478                 }
 479
 480                 if (!$mbox) {
 481                         return;
 482                 }
 483
 484                 $msgs = Email::poll($mbox, $contact['addr']);
 485
 486                 if (count($msgs)) {
 487                         Logger::log("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], Logger::DEBUG);
 488
 489                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 490
 491                         if (count($metas) != count($msgs)) {
 492                                 Logger::log("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", Logger::DEBUG);
 493                         } else {
 494                                 $msgs = array_combine($msgs, $metas);
 495
 496                                 foreach ($msgs as $msg_uid => $meta) {
 497                                         Logger::log("Mail: Parsing mail ".$msg_uid, Logger::DATA);
 498
 499                                         $datarray = [];
 500                                         $datarray['uid'] = $importer_uid;
 501                                         $datarray['contact-id'] = $contact['id'];
 502                                         $datarray['verb'] = Activity::POST;
 503                                         $datarray['object-type'] = Activity\ObjectType::NOTE;
 504                                         $datarray['network'] = Protocol::MAIL;
 505                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 506
 507                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 508
 509                                         // Have we seen it before?
 510                                         $fields = ['deleted', 'id'];
 511                                         $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
 512                                         $item = Item::selectFirst($fields, $condition);
 513                                         if (DBA::isResult($item)) {
 514                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],Logger::DEBUG);
 515
 516                                                 // Only delete when mails aren't automatically moved or deleted
 517                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 518                                                         if ($meta->deleted && ! $item['deleted']) {
 519                                                                 $fields = ['deleted' => true, 'changed' => $updated];
 520                                                                 Item::update($fields, ['id' => $item['id']]);
 521                                                         }
 522
 523                                                 switch ($mailconf['action']) {
 524                                                         case 0:
 525                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 526                                                                 break;
 527                                                         case 1:
 528                                                                 Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 529                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 530                                                                 break;
 531                                                         case 2:
 532                                                                 Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 533                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 534                                                                 break;
 535                                                         case 3:
 536                                                                 Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 537                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 538                                                                 if ($mailconf['movetofolder'] != "") {
 539                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 540                                                                 }
 541                                                                 break;
 542                                                 }
 543                                                 continue;
 544                                         }
 545
 546                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 547                                         $raw_refs = (property_exists($meta, 'references') ? str_replace("\t", '', $meta->references) : '');
 548                                         if (!trim($raw_refs)) {
 549                                                 $raw_refs = (property_exists($meta, 'in_reply_to') ? str_replace("\t", '', $meta->in_reply_to) : '');
 550                                         }
 551                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 552
 553                                         if ($raw_refs) {
 554                                                 $refs_arr = explode(' ', $raw_refs);
 555                                                 if (count($refs_arr)) {
 556                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 557                                                                 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
 558                                                         }
 559                                                 }
 560                                                 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
 561                                                 $parent = Item::selectFirst(['parent-uri'], $condition);
 562                                                 if (DBA::isResult($parent)) {
 563                                                         $datarray['parent-uri'] = $parent['parent-uri'];  // Set the parent as the top-level item
 564                                                 }
 565                                         }
 566
 567                                         // Decoding the header
 568                                         $subject = imap_mime_header_decode($meta->subject ?? '');
 569                                         $datarray['title'] = "";
 570                                         foreach ($subject as $subpart) {
 571                                                 if ($subpart->charset != "default") {
 572                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 573                                                 } else {
 574                                                         $datarray['title'] .= $subpart->text;
 575                                                 }
 576                                         }
 577                                         $datarray['title'] = Strings::escapeTags(trim($datarray['title']));
 578
 579                                         //$datarray['title'] = Strings::escapeTags(trim($meta->subject));
 580                                         $datarray['created'] = DateTimeFormat::utc($meta->date);
 581
 582                                         // Is it a reply?
 583                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 584                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 585                                                 ($raw_refs != ""));
 586
 587                                         // Remove Reply-signs in the subject
 588                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 589
 590                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 591                                         if (empty($datarray['parent-uri']) && $reply) {
 592                                                 $condition = ['title' => $datarray['title'], 'uid' => $importer_uid, 'network' => Protocol::MAIL];
 593                                                 $params = ['order' => ['created' => true]];
 594                                                 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
 595                                                 if (DBA::isResult($parent)) {
 596                                                         $datarray['parent-uri'] = $parent['parent-uri'];
 597                                                 }
 598                                         }
 599
 600                                         if (empty($datarray['parent-uri'])) {
 601                                                 $datarray['parent-uri'] = $datarray['uri'];
 602                                         }
 603
 604                                         $headers = imap_headerinfo($mbox, $meta->msgno);
 605
 606                                         $object = [];
 607
 608                                         if (!empty($headers->from)) {
 609                                                 $object['from'] = $headers->from;
 610                                         }
 611
 612                                         if (!empty($headers->to)) {
 613                                                 $object['to'] = $headers->to;
 614                                         }
 615
 616                                         if (!empty($headers->reply_to)) {
 617                                                 $object['reply_to'] = $headers->reply_to;
 618                                         }
 619
 620                                         if (!empty($headers->sender)) {
 621                                                 $object['sender'] = $headers->sender;
 622                                         }
 623
 624                                         if (!empty($object)) {
 625                                                 $datarray['object'] = json_encode($object);
 626                                         }
 627
 628                                         $fromname = $frommail = $headers->from[0]->mailbox . '@' . $headers->from[0]->host;
 629                                         if (!empty($headers->from[0]->personal)) {
 630                                                 $fromname = $headers->from[0]->personal;
 631                                         }
 632
 633                                         $datarray['author-name'] = $fromname;
 634                                         $datarray['author-link'] = "mailto:".$frommail;
 635                                         $datarray['author-avatar'] = $contact['photo'];
 636
 637                                         $datarray['owner-name'] = $contact['name'];
 638                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 639                                         $datarray['owner-avatar'] = $contact['photo'];
 640
 641                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 642                                                 $datarray['private'] = 1;
 643                                         }
 644
 645                                         if (!DI::pConfig()->get($importer_uid, 'system', 'allow_public_email_replies')) {
 646                                                 $datarray['private'] = 1;
 647                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 648                                         }
 649
 650                                         $datarray = Email::getMessage($mbox, $msg_uid, $reply, $datarray);
 651                                         if (empty($datarray['body'])) {
 652                                                 Logger::log("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 653                                                 continue;
 654                                         }
 655
 656                                         Logger::log("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 657
 658                                         Item::insert($datarray);
 659
 660                                         switch ($mailconf['action']) {
 661                                                 case 0:
 662                                                         Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 663                                                         break;
 664                                                 case 1:
 665                                                         Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 666                                                         imap_delete($mbox, $msg_uid, FT_UID);
 667                                                         break;
 668                                                 case 2:
 669                                                         Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 670                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 671                                                         break;
 672                                                 case 3:
 673                                                         Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 674                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 675                                                         if ($mailconf['movetofolder'] != "") {
 676                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 677                                                         }
 678                                                         break;
 679                                         }
 680                                 }
 681                         }
 682                 } else {
 683                         Logger::log("Mail: no mails for ".$mailconf['user']);
 684                 }
 685
 686                 Logger::log("Mail: closing connection for ".$mailconf['user']);
 687                 imap_close($mbox);
 688         }
 689 }