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\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                 if ($force) {
  43                         Contact::updateFromProbe($contact_id, true);
  44                 }
  45
  46                 $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  47                 if (!DBA::isResult($contact)) {
  48                         Logger::log('Contact not found or cannot be used.');
  49                         return;
  50                 }
  51
  52                 if (($contact['network'] == Protocol::DFRN) && !Contact::isLegacyDFRNContact($contact)) {
  53                         $protocol = Protocol::ACTIVITYPUB;
  54                 } else {
  55                         $protocol = $contact['network'];
  56                 }
  57
  58                 $importer_uid = $contact['uid'];
  59
  60                 $updated = DateTimeFormat::utcNow();
  61
  62                 if ($importer_uid == 0) {
  63                         Logger::log('Ignore public contacts');
  64
  65                         // set the last-update so we don't keep polling
  66                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
  67                         return;
  68                 }
  69
  70                 // Possibly switch the remote contact to AP
  71                 if ($protocol === Protocol::OSTATUS) {
  72                         ActivityPub\Receiver::switchContact($contact['id'], $importer_uid, $contact['url']);
  73                         $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  74                 }
  75
  76                 // load current friends if possible.
  77                 if (!empty($contact['poco']) && ($contact['success_update'] > $contact['failure_update'])) {
  78                         if (!DBA::exists('glink', ["`cid` = ? AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY", $contact['id']])) {
  79                                 PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
  80                         }
  81                 }
  82
  83                 // Don't poll if polling is deactivated (But we poll feeds and mails anyway)
  84                 if (!in_array($protocol, [Protocol::FEED, Protocol::MAIL]) && Config::get('system', 'disable_polling')) {
  85                         Logger::log('Polling is disabled');
  86
  87                         // set the last-update so we don't keep polling
  88                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
  89                         return;
  90                 }
  91
  92                 // We don't poll AP contacts by now
  93                 if ($protocol === Protocol::ACTIVITYPUB) {
  94                         Logger::log("Don't poll AP contact");
  95
  96                         // set the last-update so we don't keep polling
  97                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
  98                         return;
  99                 }
 100
 101                 $importer = User::getOwnerDataById($importer_uid);
 102
 103                 if (empty($importer)) {
 104                         Logger::log('No self contact for user '.$importer_uid);
 105
 106                         // set the last-update so we don't keep polling
 107                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 108                         return;
 109                 }
 110
 111                 $url = '';
 112                 $xml = false;
 113
 114                 if ($contact['subhub']) {
 115                         $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
 116                         $contact['priority'] = intval($poll_interval);
 117                         $hub_update = false;
 118
 119                         if (DateTimeFormat::utcNow() > DateTimeFormat::utc($contact['last-update'] . " + 1 day")) {
 120                                 $hub_update = true;
 121                         }
 122                 } else {
 123                         $hub_update = false;
 124                 }
 125
 126                 Logger::log("poll: ({$protocol}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 127
 128                 $xml = '';
 129
 130                 if ($protocol === Protocol::DFRN) {
 131                         $xml = self::pollDFRN($contact, $updated);
 132                 } elseif (($protocol === Protocol::OSTATUS)
 133                         || ($protocol === Protocol::DIASPORA)
 134                         || ($protocol === Protocol::FEED)) {
 135                         $xml = self::pollFeed($contact, $protocol, $updated);
 136                 } elseif ($protocol === Protocol::MAIL) {
 137                         self::pollMail($contact, $importer_uid, $updated);
 138                 }
 139
 140                 if (!empty($xml)) {
 141                         Logger::log('received xml : ' . $xml, Logger::DATA);
 142                         if (!strstr($xml, '<')) {
 143                                 Logger::log('post_handshake: response from ' . $url . ' did not contain XML.');
 144
 145                                 $fields = ['last-update' => $updated, 'failure_update' => $updated];
 146                                 self::updateContact($contact, $fields);
 147                                 Contact::markForArchival($contact);
 148                                 return;
 149                         }
 150
 151
 152                         Logger::log("Consume feed of contact ".$contact['id']);
 153
 154                         consume_feed($xml, $importer, $contact, $hub);
 155
 156                         // do it a second time for DFRN so that any children find their parents.
 157                         if ($protocol === Protocol::DFRN) {
 158                                 consume_feed($xml, $importer, $contact, $hub);
 159                         }
 160
 161                         $hubmode = 'subscribe';
 162                         if ($protocol === Protocol::DFRN || $contact['blocked']) {
 163                                 $hubmode = 'unsubscribe';
 164                         }
 165
 166                         if (($protocol === Protocol::OSTATUS ||  $protocol == Protocol::FEED) && (! $contact['hub-verify'])) {
 167                                 $hub_update = true;
 168                         }
 169
 170                         if ($force) {
 171                                 $hub_update = true;
 172                         }
 173
 174                         Logger::log("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$protocol." Relation: ".$contact['rel']." Update: ".$hub_update);
 175
 176                         if (strlen($hub) && $hub_update && (($contact['rel'] != Contact::FOLLOWER) || $protocol == Protocol::FEED)) {
 177                                 Logger::log('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 178                                 $hubs = explode(',', $hub);
 179
 180                                 if (count($hubs)) {
 181                                         foreach ($hubs as $h) {
 182                                                 $h = trim($h);
 183
 184                                                 if (!strlen($h)) {
 185                                                         continue;
 186                                                 }
 187
 188                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 189                                         }
 190                                 }
 191                         }
 192
 193                         self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
 194                         Contact::unmarkForArchival($contact);
 195                 } elseif (in_array($contact["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::FEED])) {
 196                         self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 197                         Contact::markForArchival($contact);
 198                 } else {
 199                         self::updateContact($contact, ['last-update' => $updated]);
 200                 }
 201
 202                 Logger::log('End');
 203                 return;
 204         }
 205
 206         private static function RemoveReply($subject)
 207         {
 208                 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
 209                         $subject = trim(substr($subject, 4));
 210                 }
 211
 212                 return $subject;
 213         }
 214
 215         /**
 216          * @brief Updates a personal contact entry and the public contact entry
 217          *
 218          * @param array $contact The personal contact entry
 219          * @param array $fields  The fields that are updated
 220          * @throws \Exception
 221          */
 222         private static function updateContact(array $contact, array $fields)
 223         {
 224                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 225                 DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
 226         }
 227
 228         /**
 229          * @brief Poll DFRN contacts
 230          *
 231          * @param  array  $contact The personal contact entry
 232          * @param  string $updated The updated date
 233          * @return string polled XML
 234          * @throws \Exception
 235          */
 236         private static function pollDFRN(array $contact, $updated)
 237         {
 238                 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 239                 if (intval($contact['duplex']) && $contact['dfrn-id']) {
 240                         $idtosend = '0:' . $orig_id;
 241                 }
 242                 if (intval($contact['duplex']) && $contact['issued-id']) {
 243                         $idtosend = '1:' . $orig_id;
 244                 }
 245
 246                 // they have permission to write to us. We already filtered this in the contact query.
 247                 $perm = 'rw';
 248
 249                 // But this may be our first communication, so set the writable flag if it isn't set already.
 250                 if (!intval($contact['writable'])) {
 251                         $fields = ['writable' => true];
 252                         DBA::update('contact', $fields, ['id' => $contact['id']]);
 253                 }
 254
 255                 $last_update = (($contact['last-update'] <= DBA::NULL_DATETIME)
 256                         ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
 257                         : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
 258                 );
 259
 260                 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 261                         . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 262                         . '&type=data&last_update=' . $last_update
 263                         . '&perm=' . $perm;
 264
 265                 $curlResult = Network::curl($url);
 266
 267                 if (!$curlResult->isSuccess() && ($curlResult->getErrorNumber() == CURLE_OPERATION_TIMEDOUT)) {
 268                         // set the last-update so we don't keep polling
 269                         self::updateContact($contact, ['last-update' => $updated]);
 270                         Contact::markForArchival($contact);
 271                         Logger::log('Contact archived');
 272                         return false;
 273                 }
 274
 275                 $handshake_xml = $curlResult->getBody();
 276                 $html_code = $curlResult->getReturnCode();
 277
 278                 Logger::log('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, Logger::DATA);
 279
 280                 if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 281                         // dead connection - might be a transient event, or this might
 282                         // mean the software was uninstalled or the domain expired.
 283                         // Will keep trying for one month.
 284                         Logger::log("$url appears to be dead - marking for death ");
 285
 286                         // set the last-update so we don't keep polling
 287                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 288                         self::updateContact($contact, $fields);
 289                         Contact::markForArchival($contact);
 290                         return false;
 291                 }
 292
 293                 if (!strstr($handshake_xml, '<')) {
 294                         Logger::log('response from ' . $url . ' did not contain XML.');
 295
 296                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 297                         self::updateContact($contact, $fields);
 298                         Contact::markForArchival($contact);
 299                         return false;
 300                 }
 301
 302                 $res = XML::parseString($handshake_xml);
 303
 304                 if (intval($res->status) == 1) {
 305                         // we may not be friends anymore. Will keep trying for one month.
 306                         Logger::log("$url replied status 1 - marking for death ");
 307
 308                         // set the last-update so we don't keep polling
 309                         $fields = ['last-update' => $updated, 'failure_update' => $updated];
 310                         self::updateContact($contact, $fields);
 311                         Contact::markForArchival($contact);
 312                 } elseif ($contact['term-date'] > DBA::NULL_DATETIME) {
 313                         Contact::unmarkForArchival($contact);
 314                 }
 315
 316                 if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 317                         // set the last-update so we don't keep polling
 318                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 319                         Logger::log('Contact status is ' . $res->status);
 320                         return false;
 321                 }
 322
 323                 if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 324                         $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
 325                         DBA::update('contact', $fields, ['id' => $contact['id']]);
 326                 }
 327
 328                 $postvars = [];
 329
 330                 $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 331                 $challenge    = hex2bin((string) $res->challenge);
 332
 333                 $final_dfrn_id = '';
 334
 335                 if ($contact['duplex'] && strlen($contact['prvkey'])) {
 336                         openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 337                         openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 338                 } else {
 339                         openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 340                         openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 341                 }
 342
 343                 $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 344
 345                 if (strpos($final_dfrn_id, ':') == 1) {
 346                         $final_dfrn_id = substr($final_dfrn_id, 2);
 347                 }
 348
 349                 // There are issues with the legacy DFRN transport layer.
 350                 // Since we mostly don't use it anyway, we won't dig into it deeper, but simply ignore it.
 351                 if (empty($final_dfrn_id) || empty($orig_id)) {
 352                         Logger::log('Contact has got no ID - quitting');
 353                         return false;
 354                 }
 355
 356                 if ($final_dfrn_id != $orig_id) {
 357                         // did not decode properly - cannot trust this site
 358                         Logger::log('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 359
 360                         // set the last-update so we don't keep polling
 361                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 362                         Contact::markForArchival($contact);
 363                         return false;
 364                 }
 365
 366                 $postvars['dfrn_id'] = $idtosend;
 367                 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 368                 $postvars['perm'] = 'rw';
 369
 370                 return Network::post($contact['poll'], $postvars)->getBody();
 371         }
 372
 373         /**
 374          * @brief Poll Feed/OStatus contacts
 375          *
 376          * @param  array  $contact The personal contact entry
 377          * @param  string $protocol The used protocol of the contact
 378          * @param  string $updated The updated date
 379          * @return string polled XML
 380          * @throws \Exception
 381          */
 382         private static function pollFeed(array $contact, $protocol, $updated)
 383         {
 384                 // Upgrading DB fields from an older Friendica version
 385                 // Will only do this once per notify-enabled OStatus contact
 386                 // or if relationship changes
 387
 388                 $stat_writeable = ((($contact['notify']) && ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND)) ? 1 : 0);
 389
 390                 // Contacts from OStatus are always writable
 391                 if ($protocol === Protocol::OSTATUS) {
 392                         $stat_writeable = 1;
 393                 }
 394
 395                 if ($stat_writeable != $contact['writable']) {
 396                         $fields = ['writable' => $stat_writeable];
 397                         DBA::update('contact', $fields, ['id' => $contact['id']]);
 398                 }
 399
 400                 // Are we allowed to import from this person?
 401                 if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
 402                         // set the last-update so we don't keep polling
 403                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 404                         Logger::log('Contact is blocked or only a follower');
 405                         return false;
 406                 }
 407
 408                 $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 409                 $curlResult = Network::curl($contact['poll'], false, ['cookiejar' => $cookiejar]);
 410                 unlink($cookiejar);
 411
 412                 if ($curlResult->isTimeout()) {
 413                         // set the last-update so we don't keep polling
 414                         self::updateContact($contact, ['last-update' => $updated]);
 415                         Contact::markForArchival($contact);
 416                         Logger::log('Contact archived');
 417                         return false;
 418                 }
 419
 420                 return $curlResult->getBody();
 421         }
 422
 423         /**
 424          * @brief Poll Mail contacts
 425          *
 426          * @param  array   $contact      The personal contact entry
 427          * @param  integer $importer_uid The UID of the importer
 428          * @param  string  $updated      The updated date
 429          * @throws \Exception
 430          */
 431         private static function pollMail(array $contact, $importer_uid, $updated)
 432         {
 433                 Logger::log("Mail: Fetching for ".$contact['addr'], Logger::DEBUG);
 434
 435                 $mail_disabled = ((function_exists('imap_open') && !Config::get('system', 'imap_disabled')) ? 0 : 1);
 436                 if ($mail_disabled) {
 437                         // set the last-update so we don't keep polling
 438                         self::updateContact($contact, ['last-update' => $updated]);
 439                         Contact::markForArchival($contact);
 440                         Logger::log('Contact archived');
 441                         return;
 442                 }
 443
 444                 Logger::log("Mail: Enabled", Logger::DEBUG);
 445
 446                 $mbox = null;
 447                 $user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
 448
 449                 $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
 450                 $mailconf = DBA::selectFirst('mailacct', [], $condition);
 451                 if (DBA::isResult($user) && DBA::isResult($mailconf)) {
 452                         $mailbox = Email::constructMailboxName($mailconf);
 453                         $password = '';
 454                         openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
 455                         $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 456                         unset($password);
 457                         Logger::log("Mail: Connect to " . $mailconf['user']);
 458                         if ($mbox) {
 459                                 $fields = ['last_check' => $updated];
 460                                 DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
 461                                 Logger::log("Mail: Connected to " . $mailconf['user']);
 462                         } else {
 463                                 Logger::log("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 464                         }
 465                 }
 466
 467                 if (!$mbox) {
 468                         return;
 469                 }
 470
 471                 $msgs = Email::poll($mbox, $contact['addr']);
 472
 473                 if (count($msgs)) {
 474                         Logger::log("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], Logger::DEBUG);
 475
 476                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 477
 478                         if (count($metas) != count($msgs)) {
 479                                 Logger::log("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", Logger::DEBUG);
 480                         } else {
 481                                 $msgs = array_combine($msgs, $metas);
 482
 483                                 foreach ($msgs as $msg_uid => $meta) {
 484                                         Logger::log("Mail: Parsing mail ".$msg_uid, Logger::DATA);
 485
 486                                         $datarray = [];
 487                                         $datarray['verb'] = ACTIVITY_POST;
 488                                         $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 489                                         $datarray['network'] = Protocol::MAIL;
 490                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 491
 492                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 493
 494                                         // Have we seen it before?
 495                                         $fields = ['deleted', 'id'];
 496                                         $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
 497                                         $item = Item::selectFirst($fields, $condition);
 498                                         if (DBA::isResult($item)) {
 499                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],Logger::DEBUG);
 500
 501                                                 // Only delete when mails aren't automatically moved or deleted
 502                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 503                                                         if ($meta->deleted && ! $item['deleted']) {
 504                                                                 $fields = ['deleted' => true, 'changed' => $updated];
 505                                                                 Item::update($fields, ['id' => $item['id']]);
 506                                                         }
 507
 508                                                 switch ($mailconf['action']) {
 509                                                         case 0:
 510                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 511                                                                 break;
 512                                                         case 1:
 513                                                                 Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 514                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 515                                                                 break;
 516                                                         case 2:
 517                                                                 Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 518                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 519                                                                 break;
 520                                                         case 3:
 521                                                                 Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 522                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 523                                                                 if ($mailconf['movetofolder'] != "") {
 524                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 525                                                                 }
 526                                                                 break;
 527                                                 }
 528                                                 continue;
 529                                         }
 530
 531                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 532                                         $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
 533                                         if (!trim($raw_refs)) {
 534                                                 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
 535                                         }
 536                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 537
 538                                         if ($raw_refs) {
 539                                                 $refs_arr = explode(' ', $raw_refs);
 540                                                 if (count($refs_arr)) {
 541                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 542                                                                 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
 543                                                         }
 544                                                 }
 545                                                 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
 546                                                 $parent = Item::selectFirst(['parent-uri'], $condition);
 547                                                 if (DBA::isResult($parent)) {
 548                                                         $datarray['parent-uri'] = $parent['parent-uri'];  // Set the parent as the top-level item
 549                                                 }
 550                                         }
 551
 552                                         // Decoding the header
 553                                         $subject = imap_mime_header_decode($meta->subject);
 554                                         $datarray['title'] = "";
 555                                         foreach ($subject as $subpart) {
 556                                                 if ($subpart->charset != "default") {
 557                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 558                                                 } else {
 559                                                         $datarray['title'] .= $subpart->text;
 560                                                 }
 561                                         }
 562                                         $datarray['title'] = Strings::escapeTags(trim($datarray['title']));
 563
 564                                         //$datarray['title'] = Strings::escapeTags(trim($meta->subject));
 565                                         $datarray['created'] = DateTimeFormat::utc($meta->date);
 566
 567                                         // Is it a reply?
 568                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 569                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 570                                                 ($raw_refs != ""));
 571
 572                                         // Remove Reply-signs in the subject
 573                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 574
 575                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 576                                         if (empty($datarray['parent-uri']) && $reply) {
 577                                                 $condition = ['title' => $datarray['title'], 'uid' => $importer_uid, 'network' => Protocol::MAIL];
 578                                                 $params = ['order' => ['created' => true]];
 579                                                 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
 580                                                 if (DBA::isResult($parent)) {
 581                                                         $datarray['parent-uri'] = $parent['parent-uri'];
 582                                                 }
 583                                         }
 584
 585                                         if (empty($datarray['parent-uri'])) {
 586                                                 $datarray['parent-uri'] = $datarray['uri'];
 587                                         }
 588
 589                                         $r = Email::getMessage($mbox, $msg_uid, $reply);
 590                                         if (!$r) {
 591                                                 Logger::log("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 592                                                 continue;
 593                                         }
 594                                         $datarray['body'] = Strings::escapeHtml($r['body']);
 595                                         $datarray['body'] = BBCode::limitBodySize($datarray['body']);
 596
 597                                         Logger::log("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 598
 599                                         /// @TODO Adding a gravatar for the original author would be cool
 600
 601                                         $from = imap_mime_header_decode($meta->from);
 602                                         $fromdecoded = "";
 603                                         foreach ($from as $frompart) {
 604                                                 if ($frompart->charset != "default") {
 605                                                         $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 606                                                 } else {
 607                                                         $fromdecoded .= $frompart->text;
 608                                                 }
 609                                         }
 610
 611                                         $fromarr = imap_rfc822_parse_adrlist($fromdecoded, BaseObject::getApp()->getHostName());
 612
 613                                         $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
 614
 615                                         if (isset($fromarr[0]->personal)) {
 616                                                 $fromname = $fromarr[0]->personal;
 617                                         } else {
 618                                                 $fromname = $frommail;
 619                                         }
 620
 621                                         $datarray['author-name'] = $fromname;
 622                                         $datarray['author-link'] = "mailto:".$frommail;
 623                                         $datarray['author-avatar'] = $contact['photo'];
 624
 625                                         $datarray['owner-name'] = $contact['name'];
 626                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 627                                         $datarray['owner-avatar'] = $contact['photo'];
 628
 629                                         $datarray['uid'] = $importer_uid;
 630                                         $datarray['contact-id'] = $contact['id'];
 631                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 632                                                 $datarray['private'] = 1;
 633                                         }
 634                                         if (!PConfig::get($importer_uid, 'system', 'allow_public_email_replies')) {
 635                                                 $datarray['private'] = 1;
 636                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 637                                         }
 638
 639                                         Item::insert($datarray);
 640
 641                                         switch ($mailconf['action']) {
 642                                                 case 0:
 643                                                         Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 644                                                         break;
 645                                                 case 1:
 646                                                         Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 647                                                         imap_delete($mbox, $msg_uid, FT_UID);
 648                                                         break;
 649                                                 case 2:
 650                                                         Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 651                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 652                                                         break;
 653                                                 case 3:
 654                                                         Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 655                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 656                                                         if ($mailconf['movetofolder'] != "") {
 657                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 658                                                         }
 659                                                         break;
 660                                         }
 661                                 }
 662                         }
 663                 } else {
 664                         Logger::log("Mail: no mails for ".$mailconf['user']);
 665                 }
 666
 667                 Logger::log("Mail: closing connection for ".$mailconf['user']);
 668                 imap_close($mbox);
 669         }
 670 }