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