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\APContact;
  15 use Friendica\Model\Contact;
  16 use Friendica\Model\Item;
  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                 $a = BaseObject::getApp();
  30
  31                 Logger::log('Start for contact ' . $contact_id);
  32
  33                 $force      = false;
  34
  35                 if ($command == "force") {
  36                         $force = true;
  37                 }
  38
  39                 if (!$contact_id) {
  40                         Logger::log('no contact');
  41                         return;
  42                 }
  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 = $contact['uid'];
  58
  59                 // Possibly switch the remote contact to AP
  60                 if ($protocol === Protocol::OSTATUS) {
  61                         ActivityPub\Receiver::switchContact($contact['id'], $importer_uid, $contact['url']);
  62                         $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  63                 }
  64
  65                 $updated = DateTimeFormat::utcNow();
  66
  67                 // These three networks can be able to speak AP, so we are trying to fetch AP profile data here
  68                 if (in_array($protocol, [Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN])) {
  69                         $apcontact = APContact::getByURL($contact['url'], true);
  70
  71                         if (($protocol === Protocol::ACTIVITYPUB) && empty($apcontact)) {
  72                                 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
  73                                 Contact::markForArchival($contact);
  74                                 Logger::log('Contact archived');
  75                                 return;
  76                         } elseif (!empty($apcontact)) {
  77                                 $fields = ['last-update' => $updated, 'success_update' => $updated];
  78                                 self::updateContact($contact, $fields);
  79                                 Contact::unmarkForArchival($contact);
  80                         }
  81                 }
  82
  83                 // Diaspora users, archived users and followers are only checked if they still exist.
  84                 if (($protocol != Protocol::ACTIVITYPUB) && ($contact['archive'] || ($contact["network"] == Protocol::DIASPORA) || ($contact["rel"] == Contact::FOLLOWER))) {
  85                         $last_updated = PortableContact::lastUpdated($contact["url"], true);
  86
  87                         if ($last_updated) {
  88                                 Logger::log('Contact '.$contact['id'].' had last update on '.$last_updated, Logger::DEBUG);
  89
  90                                 // The last public item can be older than the last item we got
  91                                 if ($last_updated < $contact['last-item']) {
  92                                         $last_updated = $contact['last-item'];
  93                                 }
  94
  95                                 $fields = ['last-item' => DateTimeFormat::utc($last_updated), 'last-update' => $updated, 'success_update' => $updated];
  96                                 self::updateContact($contact, $fields);
  97                                 Contact::unmarkForArchival($contact);
  98                         } else {
  99                                 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 100                                 Contact::markForArchival($contact);
 101                                 Logger::log('Contact archived');
 102                                 return;
 103                         }
 104                 }
 105
 106                 // Update the contact entry
 107                 if (in_array($protocol, [Protocol::ACTIVITYPUB, Protocol::OSTATUS, Protocol::DIASPORA, Protocol::DFRN])) {
 108                         // Currently we can't check every AP implementation, so we don't do it at all
 109                         if (($protocol != Protocol::ACTIVITYPUB) && !PortableContact::reachable($contact['url'])) {
 110                                 Logger::log("Skipping probably dead contact ".$contact['url']);
 111
 112                                 // set the last-update so we don't keep polling
 113                                 self::updateContact($contact, ['last-update' => $updated]);
 114                                 return;
 115                         }
 116
 117                         if (!Contact::updateFromProbe($contact["id"])) {
 118                                 // set the last-update so we don't keep polling
 119                                 self::updateContact($contact, ['last-update' => $updated]);
 120                                 Contact::markForArchival($contact);
 121                                 Logger::log('Contact archived');
 122                                 return;
 123                         } else {
 124                                 $fields = ['last-update' => $updated, 'success_update' => $updated];
 125                                 self::updateContact($contact, $fields);
 126                                 Contact::unmarkForArchival($contact);
 127                         }
 128                 }
 129
 130                 // load current friends if possible.
 131                 if (!empty($contact['poco']) && ($contact['success_update'] > $contact['failure_update'])) {
 132                         $r = q("SELECT count(*) AS total FROM glink
 133                                 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
 134                                 intval($contact['id'])
 135                         );
 136                         if (DBA::isResult($r)) {
 137                                 if (!$r[0]['total']) {
 138                                         PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
 139                                 }
 140                         }
 141                 }
 142
 143                 // We don't poll our followers
 144                 if ($contact["rel"] == Contact::FOLLOWER) {
 145                         Logger::log("Don't poll follower");
 146
 147                         // set the last-update so we don't keep polling
 148                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 149                         return;
 150                 }
 151
 152                 // Don't poll if polling is deactivated (But we poll feeds and mails anyway)
 153                 if (!in_array($protocol, [Protocol::FEED, Protocol::MAIL]) && Config::get('system', 'disable_polling')) {
 154                         Logger::log('Polling is disabled');
 155
 156                         // set the last-update so we don't keep polling
 157                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 158                         return;
 159                 }
 160
 161                 // We don't poll AP contacts by now
 162                 if ($protocol === Protocol::ACTIVITYPUB) {
 163                         Logger::log("Don't poll AP contact");
 164
 165                         // set the last-update so we don't keep polling
 166                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 167                         return;
 168                 }
 169
 170                 if ($importer_uid == 0) {
 171                         Logger::log('Ignore public contacts');
 172
 173                         // set the last-update so we don't keep polling
 174                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 175                         return;
 176                 }
 177
 178                 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 179                         intval($importer_uid)
 180                 );
 181
 182                 if (!DBA::isResult($r)) {
 183                         Logger::log('No self contact for user '.$importer_uid);
 184
 185                         // set the last-update so we don't keep polling
 186                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 187                         return;
 188                 }
 189
 190                 $importer = $r[0];
 191                 $url = '';
 192                 $xml = false;
 193
 194                 if ($contact['subhub']) {
 195                         $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
 196                         $contact['priority'] = intval($poll_interval);
 197                         $hub_update = false;
 198
 199                         if (DateTimeFormat::utcNow() > DateTimeFormat::utc($contact['last-update'] . " + 1 day")) {
 200                                 $hub_update = true;
 201                         }
 202                 } else {
 203                         $hub_update = false;
 204                 }
 205
 206                 $last_update = (($contact['last-update'] <= DBA::NULL_DATETIME)
 207                         ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
 208                         : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
 209                 );
 210
 211                 Logger::log("poll: ({$protocol}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 212
 213                 if ($protocol === Protocol::DFRN) {
 214                         $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 215                         if (intval($contact['duplex']) && $contact['dfrn-id']) {
 216                                 $idtosend = '0:' . $orig_id;
 217                         }
 218                         if (intval($contact['duplex']) && $contact['issued-id']) {
 219                                 $idtosend = '1:' . $orig_id;
 220                         }
 221
 222                         // they have permission to write to us. We already filtered this in the contact query.
 223                         $perm = 'rw';
 224
 225                         // But this may be our first communication, so set the writable flag if it isn't set already.
 226
 227                         if (!intval($contact['writable'])) {
 228                                 $fields = ['writable' => true];
 229                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 230                         }
 231
 232                         $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 233                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 234                                 . '&type=data&last_update=' . $last_update
 235                                 . '&perm=' . $perm;
 236
 237                         $curlResult = Network::curl($url);
 238
 239                         if (!$curlResult->isSuccess() && ($curlResult->getErrorNumber() == CURLE_OPERATION_TIMEDOUT)) {
 240                                 // set the last-update so we don't keep polling
 241                                 self::updateContact($contact, ['last-update' => $updated]);
 242                                 Contact::markForArchival($contact);
 243                                 Logger::log('Contact archived');
 244                                 return;
 245                         }
 246
 247                         $handshake_xml = $curlResult->getBody();
 248                         $html_code = $curlResult->getReturnCode();
 249
 250                         Logger::log('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, Logger::DATA);
 251
 252                         if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 253                                 // dead connection - might be a transient event, or this might
 254                                 // mean the software was uninstalled or the domain expired.
 255                                 // Will keep trying for one month.
 256                                 Logger::log("$url appears to be dead - marking for death ");
 257
 258                                 // set the last-update so we don't keep polling
 259                                 $fields = ['last-update' => $updated, 'failure_update' => $updated];
 260                                 self::updateContact($contact, $fields);
 261                                 Contact::markForArchival($contact);
 262                                 return;
 263                         }
 264
 265                         if (!strstr($handshake_xml, '<')) {
 266                                 Logger::log('response from ' . $url . ' did not contain XML.');
 267
 268                                 $fields = ['last-update' => $updated, 'failure_update' => $updated];
 269                                 self::updateContact($contact, $fields);
 270                                 Contact::markForArchival($contact);
 271                                 return;
 272                         }
 273
 274
 275                         $res = XML::parseString($handshake_xml);
 276
 277                         if (intval($res->status) == 1) {
 278                                 // we may not be friends anymore. Will keep trying for one month.
 279                                 Logger::log("$url replied status 1 - marking for death ");
 280
 281                                 // set the last-update so we don't keep polling
 282                                 $fields = ['last-update' => $updated, 'failure_update' => $updated];
 283                                 self::updateContact($contact, $fields);
 284                                 Contact::markForArchival($contact);
 285                         } elseif ($contact['term-date'] > DBA::NULL_DATETIME) {
 286                                 Contact::unmarkForArchival($contact);
 287                         }
 288
 289                         if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 290                                 // set the last-update so we don't keep polling
 291                                 DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 292                                 Logger::log('Contact status is ' . $res->status);
 293                                 return;
 294                         }
 295
 296                         if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 297                                 $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
 298                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 299                         }
 300
 301                         $postvars = [];
 302
 303                         $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 304                         $challenge    = hex2bin((string) $res->challenge);
 305
 306                         $final_dfrn_id = '';
 307
 308                         if ($contact['duplex'] && strlen($contact['prvkey'])) {
 309                                 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 310                                 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 311                         } else {
 312                                 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 313                                 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 314                         }
 315
 316                         $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 317
 318                         if (strpos($final_dfrn_id, ':') == 1) {
 319                                 $final_dfrn_id = substr($final_dfrn_id, 2);
 320                         }
 321
 322                         // There are issues with the legacy DFRN transport layer.
 323                         // Since we mostly don't use it anyway, we won't dig into it deeper, but simply ignore it.
 324                         if (empty($final_dfrn_id) || empty($orig_id)) {
 325                                 Logger::log('Contact has got no ID - quitting');
 326                                 return;
 327                         }
 328
 329                         if ($final_dfrn_id != $orig_id) {
 330                                 // did not decode properly - cannot trust this site
 331                                 Logger::log('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 332
 333                                 // set the last-update so we don't keep polling
 334                                 DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 335                                 Contact::markForArchival($contact);
 336                                 return;
 337                         }
 338
 339                         $postvars['dfrn_id'] = $idtosend;
 340                         $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 341                         $postvars['perm'] = 'rw';
 342
 343                         $xml = Network::post($contact['poll'], $postvars)->getBody();
 344
 345                 } elseif (($protocol === Protocol::OSTATUS)
 346                         || ($protocol === Protocol::DIASPORA)
 347                         || ($protocol === Protocol::FEED)) {
 348
 349                         // Upgrading DB fields from an older Friendica version
 350                         // Will only do this once per notify-enabled OStatus contact
 351                         // or if relationship changes
 352
 353                         $stat_writeable = ((($contact['notify']) && ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND)) ? 1 : 0);
 354
 355                         // Contacts from OStatus are always writable
 356                         if ($protocol === Protocol::OSTATUS) {
 357                                 $stat_writeable = 1;
 358                         }
 359
 360                         if ($stat_writeable != $contact['writable']) {
 361                                 $fields = ['writable' => $stat_writeable];
 362                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 363                         }
 364
 365                         // Are we allowed to import from this person?
 366                         if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
 367                                 // set the last-update so we don't keep polling
 368                                 DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 369                                 Logger::log('Contact is blocked or only a follower');
 370                                 return;
 371                         }
 372
 373                         $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 374                         $curlResult = Network::curl($contact['poll'], false, ['cookiejar' => $cookiejar]);
 375                         unlink($cookiejar);
 376
 377                         if ($curlResult->isTimeout()) {
 378                                 // set the last-update so we don't keep polling
 379                                 self::updateContact($contact, ['last-update' => $updated]);
 380                                 Contact::markForArchival($contact);
 381                                 Logger::log('Contact archived');
 382                                 return;
 383                         }
 384
 385                         $xml = $curlResult->getBody();
 386
 387                 } elseif ($protocol === Protocol::MAIL) {
 388                         Logger::log("Mail: Fetching for ".$contact['addr'], Logger::DEBUG);
 389
 390                         $mail_disabled = ((function_exists('imap_open') && !Config::get('system', 'imap_disabled')) ? 0 : 1);
 391                         if ($mail_disabled) {
 392                                 // set the last-update so we don't keep polling
 393                                 self::updateContact($contact, ['last-update' => $updated]);
 394                                 Contact::markForArchival($contact);
 395                                 Logger::log('Contact archived');
 396                                 return;
 397                         }
 398
 399                         Logger::log("Mail: Enabled", Logger::DEBUG);
 400
 401                         $mbox = null;
 402                         $user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
 403
 404                         $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
 405                         $mailconf = DBA::selectFirst('mailacct', [], $condition);
 406                         if (DBA::isResult($user) && DBA::isResult($mailconf)) {
 407                                 $mailbox = Email::constructMailboxName($mailconf);
 408                                 $password = '';
 409                                 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
 410                                 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 411                                 unset($password);
 412                                 Logger::log("Mail: Connect to " . $mailconf['user']);
 413                                 if ($mbox) {
 414                                         $fields = ['last_check' => $updated];
 415                                         DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
 416                                         Logger::log("Mail: Connected to " . $mailconf['user']);
 417                                 } else {
 418                                         Logger::log("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 419                                 }
 420                         }
 421
 422                         if ($mbox) {
 423                                 $msgs = Email::poll($mbox, $contact['addr']);
 424
 425                                 if (count($msgs)) {
 426                                         Logger::log("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], Logger::DEBUG);
 427
 428                                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 429
 430                                         if (count($metas) != count($msgs)) {
 431                                                 Logger::log("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", Logger::DEBUG);
 432                                         } else {
 433                                                 $msgs = array_combine($msgs, $metas);
 434
 435                                                 foreach ($msgs as $msg_uid => $meta) {
 436                                                         Logger::log("Mail: Parsing mail ".$msg_uid, Logger::DATA);
 437
 438                                                         $datarray = [];
 439                                                         $datarray['verb'] = ACTIVITY_POST;
 440                                                         $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 441                                                         $datarray['network'] = Protocol::MAIL;
 442                                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 443
 444                                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 445
 446                                                         // Have we seen it before?
 447                                                         $fields = ['deleted', 'id'];
 448                                                         $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
 449                                                         $item = Item::selectFirst($fields, $condition);
 450                                                         if (DBA::isResult($item)) {
 451                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],Logger::DEBUG);
 452
 453                                                                 // Only delete when mails aren't automatically moved or deleted
 454                                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 455                                                                         if ($meta->deleted && ! $item['deleted']) {
 456                                                                                 $fields = ['deleted' => true, 'changed' => $updated];
 457                                                                                 Item::update($fields, ['id' => $item['id']]);
 458                                                                         }
 459
 460                                                                 switch ($mailconf['action']) {
 461                                                                         case 0:
 462                                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 463                                                                                 break;
 464                                                                         case 1:
 465                                                                                 Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 466                                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 467                                                                                 break;
 468                                                                         case 2:
 469                                                                                 Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 470                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 471                                                                                 break;
 472                                                                         case 3:
 473                                                                                 Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 474                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 475                                                                                 if ($mailconf['movetofolder'] != "") {
 476                                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 477                                                                                 }
 478                                                                                 break;
 479                                                                 }
 480                                                                 continue;
 481                                                         }
 482
 483
 484                                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 485                                                         $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
 486                                                         if (!trim($raw_refs)) {
 487                                                                 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
 488                                                         }
 489                                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 490
 491                                                         if ($raw_refs) {
 492                                                                 $refs_arr = explode(' ', $raw_refs);
 493                                                                 if (count($refs_arr)) {
 494                                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 495                                                                                 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
 496                                                                         }
 497                                                                 }
 498                                                                 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
 499                                                                 $parent = Item::selectFirst(['parent-uri'], $condition);
 500                                                                 if (DBA::isResult($parent)) {
 501                                                                         $datarray['parent-uri'] = $parent['parent-uri'];  // Set the parent as the top-level item
 502                                                                 }
 503                                                         }
 504
 505                                                         // Decoding the header
 506                                                         $subject = imap_mime_header_decode($meta->subject);
 507                                                         $datarray['title'] = "";
 508                                                         foreach ($subject as $subpart) {
 509                                                                 if ($subpart->charset != "default") {
 510                                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 511                                                                 } else {
 512                                                                         $datarray['title'] .= $subpart->text;
 513                                                                 }
 514                                                         }
 515                                                         $datarray['title'] = Strings::escapeTags(trim($datarray['title']));
 516
 517                                                         //$datarray['title'] = Strings::escapeTags(trim($meta->subject));
 518                                                         $datarray['created'] = DateTimeFormat::utc($meta->date);
 519
 520                                                         // Is it a reply?
 521                                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 522                                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 523                                                                 ($raw_refs != ""));
 524
 525                                                         // Remove Reply-signs in the subject
 526                                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 527
 528                                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 529                                                         if (empty($datarray['parent-uri']) && $reply) {
 530                                                                 $condition = ['title' => $datarray['title'], 'uid' => $importer_uid, 'network' => Protocol::MAIL];
 531                                                                 $params = ['order' => ['created' => true]];
 532                                                                 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
 533                                                                 if (DBA::isResult($parent)) {
 534                                                                         $datarray['parent-uri'] = $parent['parent-uri'];
 535                                                                 }
 536                                                         }
 537
 538                                                         if (empty($datarray['parent-uri'])) {
 539                                                                 $datarray['parent-uri'] = $datarray['uri'];
 540                                                         }
 541
 542                                                         $r = Email::getMessage($mbox, $msg_uid, $reply);
 543                                                         if (!$r) {
 544                                                                 Logger::log("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 545                                                                 continue;
 546                                                         }
 547                                                         $datarray['body'] = Strings::escapeHtml($r['body']);
 548                                                         $datarray['body'] = BBCode::limitBodySize($datarray['body']);
 549
 550                                                         Logger::log("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 551
 552                                                         /// @TODO Adding a gravatar for the original author would be cool
 553
 554                                                         $from = imap_mime_header_decode($meta->from);
 555                                                         $fromdecoded = "";
 556                                                         foreach ($from as $frompart) {
 557                                                                 if ($frompart->charset != "default") {
 558                                                                         $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 559                                                                 } else {
 560                                                                         $fromdecoded .= $frompart->text;
 561                                                                 }
 562                                                         }
 563
 564                                                         $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->getHostName());
 565
 566                                                         $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
 567
 568                                                         if (isset($fromarr[0]->personal)) {
 569                                                                 $fromname = $fromarr[0]->personal;
 570                                                         } else {
 571                                                                 $fromname = $frommail;
 572                                                         }
 573
 574                                                         $datarray['author-name'] = $fromname;
 575                                                         $datarray['author-link'] = "mailto:".$frommail;
 576                                                         $datarray['author-avatar'] = $contact['photo'];
 577
 578                                                         $datarray['owner-name'] = $contact['name'];
 579                                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 580                                                         $datarray['owner-avatar'] = $contact['photo'];
 581
 582                                                         $datarray['uid'] = $importer_uid;
 583                                                         $datarray['contact-id'] = $contact['id'];
 584                                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 585                                                                 $datarray['private'] = 1;
 586                                                         }
 587                                                         if (($protocol === Protocol::MAIL) && !PConfig::get($importer_uid, 'system', 'allow_public_email_replies')) {
 588                                                                 $datarray['private'] = 1;
 589                                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 590                                                         }
 591
 592                                                         Item::insert($datarray);
 593
 594                                                         switch ($mailconf['action']) {
 595                                                                 case 0:
 596                                                                         Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 597                                                                         break;
 598                                                                 case 1:
 599                                                                         Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 600                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 601                                                                         break;
 602                                                                 case 2:
 603                                                                         Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 604                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 605                                                                         break;
 606                                                                 case 3:
 607                                                                         Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 608                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 609                                                                         if ($mailconf['movetofolder'] != "") {
 610                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 611                                                                         }
 612                                                                         break;
 613                                                         }
 614                                                 }
 615                                         }
 616                                 } else {
 617                                         Logger::log("Mail: no mails for ".$mailconf['user']);
 618                                 }
 619
 620                                 Logger::log("Mail: closing connection for ".$mailconf['user']);
 621                                 imap_close($mbox);
 622                         }
 623                 }
 624
 625                 if ($xml) {
 626                         Logger::log('received xml : ' . $xml, Logger::DATA);
 627                         if (!strstr($xml, '<')) {
 628                                 Logger::log('post_handshake: response from ' . $url . ' did not contain XML.');
 629
 630                                 $fields = ['last-update' => $updated, 'failure_update' => $updated];
 631                                 self::updateContact($contact, $fields);
 632                                 Contact::markForArchival($contact);
 633                                 return;
 634                         }
 635
 636
 637                         Logger::log("Consume feed of contact ".$contact['id']);
 638
 639                         consume_feed($xml, $importer, $contact, $hub);
 640
 641                         // do it a second time for DFRN so that any children find their parents.
 642                         if ($protocol === Protocol::DFRN) {
 643                                 consume_feed($xml, $importer, $contact, $hub);
 644                         }
 645
 646                         $hubmode = 'subscribe';
 647                         if ($protocol === Protocol::DFRN || $contact['blocked']) {
 648                                 $hubmode = 'unsubscribe';
 649                         }
 650
 651                         if (($protocol === Protocol::OSTATUS ||  $protocol == Protocol::FEED) && (! $contact['hub-verify'])) {
 652                                 $hub_update = true;
 653                         }
 654
 655                         if ($force) {
 656                                 $hub_update = true;
 657                         }
 658
 659                         Logger::log("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$protocol." Relation: ".$contact['rel']." Update: ".$hub_update);
 660
 661                         if (strlen($hub) && $hub_update && (($contact['rel'] != Contact::FOLLOWER) || $protocol == Protocol::FEED)) {
 662                                 Logger::log('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 663                                 $hubs = explode(',', $hub);
 664
 665                                 if (count($hubs)) {
 666                                         foreach ($hubs as $h) {
 667                                                 $h = trim($h);
 668
 669                                                 if (!strlen($h)) {
 670                                                         continue;
 671                                                 }
 672
 673                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 674                                         }
 675                                 }
 676                         }
 677
 678                         self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
 679                         DBA::update('gcontact', ['last_contact' => $updated], ['nurl' => $contact['nurl']]);
 680                         Contact::unmarkForArchival($contact);
 681                 } elseif (in_array($contact["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::FEED])) {
 682                         self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 683                         DBA::update('gcontact', ['last_failure' => $updated], ['nurl' => $contact['nurl']]);
 684                         Contact::markForArchival($contact);
 685                 } else {
 686                         self::updateContact($contact, ['last-update' => $updated]);
 687                 }
 688
 689                 Logger::log('End');
 690                 return;
 691         }
 692
 693         private static function RemoveReply($subject)
 694         {
 695                 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
 696                         $subject = trim(substr($subject, 4));
 697                 }
 698
 699                 return $subject;
 700         }
 701
 702         /**
 703          * @brief Updates a personal contact entry and the public contact entry
 704          *
 705          * @param array $contact The personal contact entry
 706          * @param array $fields  The fields that are updated
 707          * @throws \Exception
 708          */
 709         private static function updateContact(array $contact, array $fields)
 710         {
 711                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 712                 DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
 713         }
 714 }