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                 $importer_uid = $contact['uid'];
  52
  53                 // Possibly switch the remote contact to AP
  54                 if ($contact['network'] === Protocol::OSTATUS) {
  55                         ActivityPub\Receiver::switchContact($contact['id'], $importer_uid, $contact['url']);
  56                         $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  57                 }
  58
  59                 // These three networks can be able to speak AP, so we are trying to fetch AP profile data here
  60                 if (in_array($contact['network'], [Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN])) {
  61                         $apcontact = APContact::getByURL($contact['url'], true);
  62
  63                         $updated = DateTimeFormat::utcNow();
  64                         if (($contact['network'] === Protocol::ACTIVITYPUB) && empty($apcontact)) {
  65                                 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
  66                                 Contact::markForArchival($contact);
  67                                 Logger::log('Contact archived');
  68                                 return;
  69                         } elseif (!empty($apcontact)) {
  70                                 $fields = ['last-update' => $updated, 'success_update' => $updated];
  71                                 self::updateContact($contact, $fields);
  72                                 Contact::unmarkForArchival($contact);
  73                         }
  74                 }
  75
  76                 // Diaspora users, archived users and followers are only checked if they still exist.
  77                 if (($contact['network'] != Protocol::ACTIVITYPUB) && ($contact['archive'] || ($contact["network"] == Protocol::DIASPORA) || ($contact["rel"] == Contact::FOLLOWER))) {
  78                         $last_updated = PortableContact::lastUpdated($contact["url"], true);
  79                         $updated = DateTimeFormat::utcNow();
  80
  81                         if ($last_updated) {
  82                                 Logger::log('Contact '.$contact['id'].' had last update on '.$last_updated, Logger::DEBUG);
  83
  84                                 // The last public item can be older than the last item we got
  85                                 if ($last_updated < $contact['last-item']) {
  86                                         $last_updated = $contact['last-item'];
  87                                 }
  88
  89                                 $fields = ['last-item' => DateTimeFormat::utc($last_updated), 'last-update' => $updated, 'success_update' => $updated];
  90                                 self::updateContact($contact, $fields);
  91                                 Contact::unmarkForArchival($contact);
  92                         } else {
  93                                 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
  94                                 Contact::markForArchival($contact);
  95                                 Logger::log('Contact archived');
  96                                 return;
  97                         }
  98                 }
  99
 100                 // Update the contact entry
 101                 if (in_array($contact['network'], [Protocol::ACTIVITYPUB, Protocol::OSTATUS, Protocol::DIASPORA, Protocol::DFRN])) {
 102                         $updated = DateTimeFormat::utcNow();
 103                         // Currently we can't check every AP implementation, so we don't do it at all
 104                         if (($contact['network'] != Protocol::ACTIVITYPUB) && !PortableContact::reachable($contact['url'])) {
 105                                 Logger::log("Skipping probably dead contact ".$contact['url']);
 106
 107                                 // set the last-update so we don't keep polling
 108                                 self::updateContact($contact, ['last-update' => $updated]);
 109                                 return;
 110                         }
 111
 112                         if (!Contact::updateFromProbe($contact["id"])) {
 113                                 // set the last-update so we don't keep polling
 114                                 self::updateContact($contact, ['last-update' => $updated]);
 115                                 Contact::markForArchival($contact);
 116                                 Logger::log('Contact archived');
 117                                 return;
 118                         } else {
 119                                 $fields = ['last-update' => $updated, 'success_update' => $updated];
 120                                 self::updateContact($contact, $fields);
 121                                 Contact::unmarkForArchival($contact);
 122                         }
 123                 }
 124
 125                 // load current friends if possible.
 126                 if (!empty($contact['poco']) && ($contact['success_update'] > $contact['failure_update'])) {
 127                         $r = q("SELECT count(*) AS total FROM glink
 128                                 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
 129                                 intval($contact['id'])
 130                         );
 131                         if (DBA::isResult($r)) {
 132                                 if (!$r[0]['total']) {
 133                                         PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
 134                                 }
 135                         }
 136                 }
 137
 138                 // We don't poll our followers
 139                 if ($contact["rel"] == Contact::FOLLOWER) {
 140                         Logger::log("Don't poll follower");
 141
 142                         // set the last-update so we don't keep polling
 143                         DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 144                         return;
 145                 }
 146
 147                 // Don't poll if polling is deactivated (But we poll feeds and mails anyway)
 148                 if (!in_array($contact['network'], [Protocol::FEED, Protocol::MAIL]) && Config::get('system', 'disable_polling')) {
 149                         Logger::log('Polling is disabled');
 150
 151                         // set the last-update so we don't keep polling
 152                         DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 153                         return;
 154                 }
 155
 156                 // We don't poll AP contacts by now
 157                 if ($contact['network'] === Protocol::ACTIVITYPUB) {
 158                         Logger::log("Don't poll AP contact");
 159
 160                         // set the last-update so we don't keep polling
 161                         DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 162                         return;
 163                 }
 164
 165                 if ($importer_uid == 0) {
 166                         Logger::log('Ignore public contacts');
 167
 168                         // set the last-update so we don't keep polling
 169                         DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 170                         return;
 171                 }
 172
 173                 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 174                         intval($importer_uid)
 175                 );
 176
 177                 if (!DBA::isResult($r)) {
 178                         Logger::log('No self contact for user '.$importer_uid);
 179
 180                         // set the last-update so we don't keep polling
 181                         DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 182                         return;
 183                 }
 184
 185                 $importer = $r[0];
 186                 $url = '';
 187                 $xml = false;
 188
 189                 if ($contact['subhub']) {
 190                         $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
 191                         $contact['priority'] = intval($poll_interval);
 192                         $hub_update = false;
 193
 194                         if (DateTimeFormat::utcNow() > DateTimeFormat::utc($contact['last-update'] . " + 1 day")) {
 195                                 $hub_update = true;
 196                         }
 197                 } else {
 198                         $hub_update = false;
 199                 }
 200
 201                 $last_update = (($contact['last-update'] <= DBA::NULL_DATETIME)
 202                         ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
 203                         : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
 204                 );
 205
 206                 Logger::log("poll: ({$contact['network']}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 207
 208                 if ($contact['network'] === Protocol::DFRN) {
 209                         $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 210                         if (intval($contact['duplex']) && $contact['dfrn-id']) {
 211                                 $idtosend = '0:' . $orig_id;
 212                         }
 213                         if (intval($contact['duplex']) && $contact['issued-id']) {
 214                                 $idtosend = '1:' . $orig_id;
 215                         }
 216
 217                         // they have permission to write to us. We already filtered this in the contact query.
 218                         $perm = 'rw';
 219
 220                         // But this may be our first communication, so set the writable flag if it isn't set already.
 221
 222                         if (!intval($contact['writable'])) {
 223                                 $fields = ['writable' => true];
 224                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 225                         }
 226
 227                         $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 228                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 229                                 . '&type=data&last_update=' . $last_update
 230                                 . '&perm=' . $perm;
 231
 232                         $curlResult = Network::curl($url);
 233
 234                         if (!$curlResult->isSuccess() && ($curlResult->getErrorNumber() == CURLE_OPERATION_TIMEDOUT)) {
 235                                 // set the last-update so we don't keep polling
 236                                 self::updateContact($contact, ['last-update' => DateTimeFormat::utcNow()]);
 237                                 Contact::markForArchival($contact);
 238                                 Logger::log('Contact archived');
 239                                 return;
 240                         }
 241
 242                         $handshake_xml = $curlResult->getBody();
 243                         $html_code = $curlResult->getReturnCode();
 244
 245                         Logger::log('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, Logger::DATA);
 246
 247                         if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 248                                 // dead connection - might be a transient event, or this might
 249                                 // mean the software was uninstalled or the domain expired.
 250                                 // Will keep trying for one month.
 251                                 Logger::log("$url appears to be dead - marking for death ");
 252
 253                                 // set the last-update so we don't keep polling
 254                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 255                                 self::updateContact($contact, $fields);
 256                                 Contact::markForArchival($contact);
 257                                 return;
 258                         }
 259
 260                         if (!strstr($handshake_xml, '<')) {
 261                                 Logger::log('response from ' . $url . ' did not contain XML.');
 262
 263                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 264                                 self::updateContact($contact, $fields);
 265                                 Contact::markForArchival($contact);
 266                                 return;
 267                         }
 268
 269
 270                         $res = XML::parseString($handshake_xml);
 271
 272                         if (intval($res->status) == 1) {
 273                                 // we may not be friends anymore. Will keep trying for one month.
 274                                 Logger::log("$url replied status 1 - marking for death ");
 275
 276                                 // set the last-update so we don't keep polling
 277                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 278                                 self::updateContact($contact, $fields);
 279                                 Contact::markForArchival($contact);
 280                         } elseif ($contact['term-date'] > DBA::NULL_DATETIME) {
 281                                 Contact::unmarkForArchival($contact);
 282                         }
 283
 284                         if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 285                                 // set the last-update so we don't keep polling
 286                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 287                                 Logger::log('Contact status is ' . $res->status);
 288                                 return;
 289                         }
 290
 291                         if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 292                                 $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
 293                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 294                         }
 295
 296                         $postvars = [];
 297
 298                         $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 299                         $challenge    = hex2bin((string) $res->challenge);
 300
 301                         $final_dfrn_id = '';
 302
 303                         if ($contact['duplex'] && strlen($contact['prvkey'])) {
 304                                 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 305                                 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 306                         } else {
 307                                 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 308                                 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 309                         }
 310
 311                         $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 312
 313                         if (strpos($final_dfrn_id, ':') == 1) {
 314                                 $final_dfrn_id = substr($final_dfrn_id, 2);
 315                         }
 316
 317                         // There are issues with the legacy DFRN transport layer.
 318                         // Since we mostly don't use it anyway, we won't dig into it deeper, but simply ignore it.
 319                         if (empty($final_dfrn_id) || empty($orig_id)) {
 320                                 Logger::log('Contact has got no ID - quitting');
 321                                 return;
 322                         }
 323
 324                         if ($final_dfrn_id != $orig_id) {
 325                                 // did not decode properly - cannot trust this site
 326                                 Logger::log('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 327
 328                                 // set the last-update so we don't keep polling
 329                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 330                                 Contact::markForArchival($contact);
 331                                 return;
 332                         }
 333
 334                         $postvars['dfrn_id'] = $idtosend;
 335                         $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 336                         $postvars['perm'] = 'rw';
 337
 338                         $xml = Network::post($contact['poll'], $postvars)->getBody();
 339
 340                 } elseif (($contact['network'] === Protocol::OSTATUS)
 341                         || ($contact['network'] === Protocol::DIASPORA)
 342                         || ($contact['network'] === Protocol::FEED)) {
 343
 344                         // Upgrading DB fields from an older Friendica version
 345                         // Will only do this once per notify-enabled OStatus contact
 346                         // or if relationship changes
 347
 348                         $stat_writeable = ((($contact['notify']) && ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND)) ? 1 : 0);
 349
 350                         // Contacts from OStatus are always writable
 351                         if ($contact['network'] === Protocol::OSTATUS) {
 352                                 $stat_writeable = 1;
 353                         }
 354
 355                         if ($stat_writeable != $contact['writable']) {
 356                                 $fields = ['writable' => $stat_writeable];
 357                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 358                         }
 359
 360                         // Are we allowed to import from this person?
 361                         if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
 362                                 // set the last-update so we don't keep polling
 363                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 364                                 Logger::log('Contact is blocked or only a follower');
 365                                 return;
 366                         }
 367
 368                         $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 369                         $curlResult = Network::curl($contact['poll'], false, $redirects, ['cookiejar' => $cookiejar]);
 370                         unlink($cookiejar);
 371
 372                         if ($curlResult->isTimeout()) {
 373                                 // set the last-update so we don't keep polling
 374                                 self::updateContact($contact, ['last-update' => DateTimeFormat::utcNow()]);
 375                                 Contact::markForArchival($contact);
 376                                 Logger::log('Contact archived');
 377                                 return;
 378                         }
 379
 380                         $xml = $curlResult->getBody();
 381
 382                 } elseif ($contact['network'] === Protocol::MAIL) {
 383                         Logger::log("Mail: Fetching for ".$contact['addr'], Logger::DEBUG);
 384
 385                         $mail_disabled = ((function_exists('imap_open') && !Config::get('system', 'imap_disabled')) ? 0 : 1);
 386                         if ($mail_disabled) {
 387                                 // set the last-update so we don't keep polling
 388                                 self::updateContact($contact, ['last-update' => DateTimeFormat::utcNow()]);
 389                                 Contact::markForArchival($contact);
 390                                 Logger::log('Contact archived');
 391                                 return;
 392                         }
 393
 394                         Logger::log("Mail: Enabled", Logger::DEBUG);
 395
 396                         $mbox = null;
 397                         $user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
 398
 399                         $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
 400                         $mailconf = DBA::selectFirst('mailacct', [], $condition);
 401                         if (DBA::isResult($user) && DBA::isResult($mailconf)) {
 402                                 $mailbox = Email::constructMailboxName($mailconf);
 403                                 $password = '';
 404                                 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
 405                                 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 406                                 unset($password);
 407                                 Logger::log("Mail: Connect to " . $mailconf['user']);
 408                                 if ($mbox) {
 409                                         $fields = ['last_check' => DateTimeFormat::utcNow()];
 410                                         DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
 411                                         Logger::log("Mail: Connected to " . $mailconf['user']);
 412                                 } else {
 413                                         Logger::log("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 414                                 }
 415                         }
 416
 417                         if ($mbox) {
 418                                 $msgs = Email::poll($mbox, $contact['addr']);
 419
 420                                 if (count($msgs)) {
 421                                         Logger::log("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], Logger::DEBUG);
 422
 423                                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 424
 425                                         if (count($metas) != count($msgs)) {
 426                                                 Logger::log("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", Logger::DEBUG);
 427                                         } else {
 428                                                 $msgs = array_combine($msgs, $metas);
 429
 430                                                 foreach ($msgs as $msg_uid => $meta) {
 431                                                         Logger::log("Mail: Parsing mail ".$msg_uid, Logger::DATA);
 432
 433                                                         $datarray = [];
 434                                                         $datarray['verb'] = ACTIVITY_POST;
 435                                                         $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 436                                                         $datarray['network'] = Protocol::MAIL;
 437                                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 438
 439                                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 440
 441                                                         // Have we seen it before?
 442                                                         $fields = ['deleted', 'id'];
 443                                                         $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
 444                                                         $item = Item::selectFirst($fields, $condition);
 445                                                         if (DBA::isResult($item)) {
 446                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],Logger::DEBUG);
 447
 448                                                                 // Only delete when mails aren't automatically moved or deleted
 449                                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 450                                                                         if ($meta->deleted && ! $item['deleted']) {
 451                                                                                 $fields = ['deleted' => true, 'changed' => DateTimeFormat::utcNow()];
 452                                                                                 Item::update($fields, ['id' => $item['id']]);
 453                                                                         }
 454
 455                                                                 switch ($mailconf['action']) {
 456                                                                         case 0:
 457                                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 458                                                                                 break;
 459                                                                         case 1:
 460                                                                                 Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 461                                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 462                                                                                 break;
 463                                                                         case 2:
 464                                                                                 Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 465                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 466                                                                                 break;
 467                                                                         case 3:
 468                                                                                 Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 469                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 470                                                                                 if ($mailconf['movetofolder'] != "") {
 471                                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 472                                                                                 }
 473                                                                                 break;
 474                                                                 }
 475                                                                 continue;
 476                                                         }
 477
 478
 479                                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 480                                                         $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
 481                                                         if (!trim($raw_refs)) {
 482                                                                 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
 483                                                         }
 484                                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 485
 486                                                         if ($raw_refs) {
 487                                                                 $refs_arr = explode(' ', $raw_refs);
 488                                                                 if (count($refs_arr)) {
 489                                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 490                                                                                 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
 491                                                                         }
 492                                                                 }
 493                                                                 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
 494                                                                 $parent = Item::selectFirst(['parent-uri'], $condition);
 495                                                                 if (DBA::isResult($parent)) {
 496                                                                         $datarray['parent-uri'] = $parent['parent-uri'];  // Set the parent as the top-level item
 497                                                                 }
 498                                                         }
 499
 500                                                         // Decoding the header
 501                                                         $subject = imap_mime_header_decode($meta->subject);
 502                                                         $datarray['title'] = "";
 503                                                         foreach ($subject as $subpart) {
 504                                                                 if ($subpart->charset != "default") {
 505                                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 506                                                                 } else {
 507                                                                         $datarray['title'] .= $subpart->text;
 508                                                                 }
 509                                                         }
 510                                                         $datarray['title'] = Strings::escapeTags(trim($datarray['title']));
 511
 512                                                         //$datarray['title'] = Strings::escapeTags(trim($meta->subject));
 513                                                         $datarray['created'] = DateTimeFormat::utc($meta->date);
 514
 515                                                         // Is it a reply?
 516                                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 517                                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 518                                                                 ($raw_refs != ""));
 519
 520                                                         // Remove Reply-signs in the subject
 521                                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 522
 523                                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 524                                                         if (empty($datarray['parent-uri']) && $reply) {
 525                                                                 $condition = ['title' => $datarray['title'], 'uid' => $importer_uid, 'network' => Protocol::MAIL];
 526                                                                 $params = ['order' => ['created' => true]];
 527                                                                 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
 528                                                                 if (DBA::isResult($parent)) {
 529                                                                         $datarray['parent-uri'] = $parent['parent-uri'];
 530                                                                 }
 531                                                         }
 532
 533                                                         if (empty($datarray['parent-uri'])) {
 534                                                                 $datarray['parent-uri'] = $datarray['uri'];
 535                                                         }
 536
 537                                                         $r = Email::getMessage($mbox, $msg_uid, $reply);
 538                                                         if (!$r) {
 539                                                                 Logger::log("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 540                                                                 continue;
 541                                                         }
 542                                                         $datarray['body'] = Strings::escapeHtml($r['body']);
 543                                                         $datarray['body'] = BBCode::limitBodySize($datarray['body']);
 544
 545                                                         Logger::log("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 546
 547                                                         /// @TODO Adding a gravatar for the original author would be cool
 548
 549                                                         $from = imap_mime_header_decode($meta->from);
 550                                                         $fromdecoded = "";
 551                                                         foreach ($from as $frompart) {
 552                                                                 if ($frompart->charset != "default") {
 553                                                                         $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 554                                                                 } else {
 555                                                                         $fromdecoded .= $frompart->text;
 556                                                                 }
 557                                                         }
 558
 559                                                         $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->getHostName());
 560
 561                                                         $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
 562
 563                                                         if (isset($fromarr[0]->personal)) {
 564                                                                 $fromname = $fromarr[0]->personal;
 565                                                         } else {
 566                                                                 $fromname = $frommail;
 567                                                         }
 568
 569                                                         $datarray['author-name'] = $fromname;
 570                                                         $datarray['author-link'] = "mailto:".$frommail;
 571                                                         $datarray['author-avatar'] = $contact['photo'];
 572
 573                                                         $datarray['owner-name'] = $contact['name'];
 574                                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 575                                                         $datarray['owner-avatar'] = $contact['photo'];
 576
 577                                                         $datarray['uid'] = $importer_uid;
 578                                                         $datarray['contact-id'] = $contact['id'];
 579                                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 580                                                                 $datarray['private'] = 1;
 581                                                         }
 582                                                         if (($contact['network'] === Protocol::MAIL) && !PConfig::get($importer_uid, 'system', 'allow_public_email_replies')) {
 583                                                                 $datarray['private'] = 1;
 584                                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 585                                                         }
 586
 587                                                         Item::insert($datarray);
 588
 589                                                         switch ($mailconf['action']) {
 590                                                                 case 0:
 591                                                                         Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 592                                                                         break;
 593                                                                 case 1:
 594                                                                         Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 595                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 596                                                                         break;
 597                                                                 case 2:
 598                                                                         Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 599                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 600                                                                         break;
 601                                                                 case 3:
 602                                                                         Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 603                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 604                                                                         if ($mailconf['movetofolder'] != "") {
 605                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 606                                                                         }
 607                                                                         break;
 608                                                         }
 609                                                 }
 610                                         }
 611                                 } else {
 612                                         Logger::log("Mail: no mails for ".$mailconf['user']);
 613                                 }
 614
 615                                 Logger::log("Mail: closing connection for ".$mailconf['user']);
 616                                 imap_close($mbox);
 617                         }
 618                 }
 619
 620                 if ($xml) {
 621                         Logger::log('received xml : ' . $xml, Logger::DATA);
 622                         if (!strstr($xml, '<')) {
 623                                 Logger::log('post_handshake: response from ' . $url . ' did not contain XML.');
 624
 625                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 626                                 self::updateContact($contact, $fields);
 627                                 Contact::markForArchival($contact);
 628                                 return;
 629                         }
 630
 631
 632                         Logger::log("Consume feed of contact ".$contact['id']);
 633
 634                         consume_feed($xml, $importer, $contact, $hub);
 635
 636                         // do it a second time for DFRN so that any children find their parents.
 637                         if ($contact['network'] === Protocol::DFRN) {
 638                                 consume_feed($xml, $importer, $contact, $hub);
 639                         }
 640
 641                         $hubmode = 'subscribe';
 642                         if ($contact['network'] === Protocol::DFRN || $contact['blocked']) {
 643                                 $hubmode = 'unsubscribe';
 644                         }
 645
 646                         if (($contact['network'] === Protocol::OSTATUS ||  $contact['network'] == Protocol::FEED) && (! $contact['hub-verify'])) {
 647                                 $hub_update = true;
 648                         }
 649
 650                         if ($force) {
 651                                 $hub_update = true;
 652                         }
 653
 654                         Logger::log("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
 655
 656                         if (strlen($hub) && $hub_update && (($contact['rel'] != Contact::FOLLOWER) || $contact['network'] == Protocol::FEED)) {
 657                                 Logger::log('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 658                                 $hubs = explode(',', $hub);
 659
 660                                 if (count($hubs)) {
 661                                         foreach ($hubs as $h) {
 662                                                 $h = trim($h);
 663
 664                                                 if (!strlen($h)) {
 665                                                         continue;
 666                                                 }
 667
 668                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 669                                         }
 670                                 }
 671                         }
 672
 673                         $updated = DateTimeFormat::utcNow();
 674
 675                         self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
 676                         DBA::update('gcontact', ['last_contact' => $updated], ['nurl' => $contact['nurl']]);
 677                         Contact::unmarkForArchival($contact);
 678                 } elseif (in_array($contact["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::FEED])) {
 679                         $updated = DateTimeFormat::utcNow();
 680
 681                         self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 682                         DBA::update('gcontact', ['last_failure' => $updated], ['nurl' => $contact['nurl']]);
 683                         Contact::markForArchival($contact);
 684                 } else {
 685                         self::updateContact($contact, ['last-update' => DateTimeFormat::utcNow()]);
 686                 }
 687
 688                 Logger::log('End');
 689                 return;
 690         }
 691
 692         private static function RemoveReply($subject)
 693         {
 694                 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
 695                         $subject = trim(substr($subject, 4));
 696                 }
 697
 698                 return $subject;
 699         }
 700
 701         /**
 702          * @brief Updates a personal contact entry and the public contact entry
 703          *
 704          * @param array $contact The personal contact entry
 705          * @param array $fields  The fields that are updated
 706          * @throws \Exception
 707          */
 708         private static function updateContact(array $contact, array $fields)
 709         {
 710                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 711                 DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
 712         }
 713 }