src/Worker/OnePoll.php

   1 <?php
   2 /**
   3  * @file src/Worker/OnePoll.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\BaseObject;
   8 use Friendica\Content\Text\BBCode;
   9 use Friendica\Core\Config;
  10 use Friendica\Core\Logger;
  11 use Friendica\Core\PConfig;
  12 use Friendica\Core\Protocol;
  13 use Friendica\Database\DBA;
  14 use Friendica\Model\Contact;
  15 use Friendica\Model\Item;
  16 use Friendica\Protocol\ActivityPub;
  17 use Friendica\Protocol\Email;
  18 use Friendica\Protocol\PortableContact;
  19 use Friendica\Util\DateTimeFormat;
  20 use Friendica\Util\Network;
  21 use Friendica\Util\Strings;
  22 use Friendica\Util\XML;
  23
  24 require_once 'include/dba.php';
  25
  26 class OnePoll
  27 {
  28         public static function execute($contact_id = 0, $command = '')
  29         {
  30                 $a = BaseObject::getApp();
  31
  32                 require_once 'include/items.php';
  33
  34                 Logger::log('start');
  35
  36                 $manual_id  = 0;
  37                 $generation = 0;
  38                 $hub_update = false;
  39                 $force      = false;
  40                 $restart    = false;
  41
  42                 if ($command == "force") {
  43                         $force = true;
  44                 }
  45
  46                 if (!$contact_id) {
  47                         Logger::log('no contact');
  48                         return;
  49                 }
  50
  51                 $d = DateTimeFormat::utcNow();
  52
  53                 $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  54                 if (!DBA::isResult($contact)) {
  55                         Logger::log('Contact not found or cannot be used.');
  56                         return;
  57                 }
  58
  59                 $importer_uid = $contact['uid'];
  60
  61                 // Possibly switch the remote contact to AP
  62                 if ($contact['network'] === Protocol::OSTATUS) {
  63                         ActivityPub\Receiver::switchContact($contact['id'], $importer_uid, $contact['url']);
  64                         $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  65                 }
  66
  67                 // We currently don't do anything with AP here
  68                 if ($contact['network'] === Protocol::ACTIVITYPUB) {
  69                         return;
  70                 }
  71
  72                 // load current friends if possible.
  73                 if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
  74                         $r = q("SELECT count(*) AS total FROM glink
  75                                 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
  76                                 intval($contact['id'])
  77                         );
  78                         if (DBA::isResult($r)) {
  79                                 if (!$r[0]['total']) {
  80                                         PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
  81                                 }
  82                         }
  83                 }
  84
  85                 // Diaspora users, archived users and followers are only checked if they still exist.
  86                 if ($contact['archive'] || ($contact["network"] == Protocol::DIASPORA) || ($contact["rel"] == Contact::FOLLOWER)) {
  87                         $last_updated = PortableContact::lastUpdated($contact["url"], true);
  88                         $updated = DateTimeFormat::utcNow();
  89
  90                         if ($last_updated) {
  91                                 Logger::log('Contact '.$contact['id'].' had last update on '.$last_updated, Logger::DEBUG);
  92
  93                                 // The last public item can be older than the last item we got
  94                                 if ($last_updated < $contact['last-item']) {
  95                                         $last_updated = $contact['last-item'];
  96                                 }
  97
  98                                 $fields = ['last-item' => DateTimeFormat::utc($last_updated), 'last-update' => $updated, 'success_update' => $updated];
  99                                 self::updateContact($contact, $fields);
 100                                 Contact::unmarkForArchival($contact);
 101                         } else {
 102                                 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 103                                 Contact::markForArchival($contact);
 104                                 Logger::log('Contact '.$contact['id'].' is marked for archival', Logger::DEBUG);
 105                         }
 106
 107                         return;
 108                 }
 109
 110                 $xml = false;
 111
 112                 $t = $contact['last-update'];
 113
 114                 if ($contact['subhub']) {
 115                         $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
 116                         $contact['priority'] = intval($poll_interval);
 117                         $hub_update = false;
 118
 119                         if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 day")) {
 120                                 $hub_update = true;
 121                         }
 122                 } else {
 123                         $hub_update = false;
 124                 }
 125
 126                 $last_update = (($contact['last-update'] <= DBA::NULL_DATETIME)
 127                         ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
 128                         : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
 129                 );
 130
 131                 // Update the contact entry
 132                 if (($contact['network'] === Protocol::OSTATUS) || ($contact['network'] === Protocol::DIASPORA) || ($contact['network'] === Protocol::DFRN)) {
 133                         if (!PortableContact::reachable($contact['url'])) {
 134                                 Logger::log("Skipping probably dead contact ".$contact['url']);
 135
 136                                 // set the last-update so we don't keep polling
 137                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 138                                 return;
 139                         }
 140
 141                         if (!Contact::updateFromProbe($contact["id"])) {
 142                                 Contact::markForArchival($contact);
 143                                 Logger::log('Contact is marked dead');
 144
 145                                 // set the last-update so we don't keep polling
 146                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 147                                 return;
 148                         } else {
 149                                 Contact::unmarkForArchival($contact);
 150                         }
 151                 }
 152
 153                 if (!in_array($contact['network'], [Protocol::FEED, Protocol::MAIL]) && Config::get('system', 'disable_polling')) {
 154                         return;
 155                 }
 156
 157                 if ($importer_uid == 0) {
 158                         Logger::log('Ignore public contacts');
 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                 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 166                         intval($importer_uid)
 167                 );
 168
 169                 if (!DBA::isResult($r)) {
 170                         Logger::log('No self contact for user '.$importer_uid);
 171
 172                         // set the last-update so we don't keep polling
 173                         DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 174                         return;
 175                 }
 176
 177                 $importer = $r[0];
 178                 $url = '';
 179
 180                 Logger::log("poll: ({$contact['network']}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 181
 182                 if ($contact['network'] === Protocol::DFRN) {
 183                         $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 184                         if (intval($contact['duplex']) && $contact['dfrn-id']) {
 185                                 $idtosend = '0:' . $orig_id;
 186                         }
 187                         if (intval($contact['duplex']) && $contact['issued-id']) {
 188                                 $idtosend = '1:' . $orig_id;
 189                         }
 190
 191                         // they have permission to write to us. We already filtered this in the contact query.
 192                         $perm = 'rw';
 193
 194                         // But this may be our first communication, so set the writable flag if it isn't set already.
 195
 196                         if (!intval($contact['writable'])) {
 197                                 $fields = ['writable' => true];
 198                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 199                         }
 200
 201                         $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 202                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 203                                 . '&type=data&last_update=' . $last_update
 204                                 . '&perm=' . $perm;
 205
 206                         $curlResult = Network::curl($url);
 207
 208                         if (!$curlResult->isSuccess() && ($curlResult->getErrorNumber() == CURLE_OPERATION_TIMEDOUT)) {
 209                                 // set the last-update so we don't keep polling
 210                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 211                                 Contact::markForArchival($contact);
 212                                 return;
 213                         }
 214
 215                         $handshake_xml = $curlResult->getBody();
 216                         $html_code = $curlResult->getReturnCode();
 217
 218                         Logger::log('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, Logger::DATA);
 219
 220                         if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 221                                 Logger::log("$url appears to be dead - marking for death ");
 222
 223                                 // dead connection - might be a transient event, or this might
 224                                 // mean the software was uninstalled or the domain expired.
 225                                 // Will keep trying for one month.
 226
 227                                 Contact::markForArchival($contact);
 228
 229                                 // set the last-update so we don't keep polling
 230                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 231                                 self::updateContact($contact, $fields);
 232                                 return;
 233                         }
 234
 235                         if (!strstr($handshake_xml, '<')) {
 236                                 Logger::log('response from ' . $url . ' did not contain XML.');
 237
 238                                 Contact::markForArchival($contact);
 239
 240                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 241                                 self::updateContact($contact, $fields);
 242                                 return;
 243                         }
 244
 245
 246                         $res = XML::parseString($handshake_xml);
 247
 248                         if (intval($res->status) == 1) {
 249                                 Logger::log("$url replied status 1 - marking for death ");
 250
 251                                 // we may not be friends anymore. Will keep trying for one month.
 252                                 // set the last-update so we don't keep polling
 253                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 254                                 self::updateContact($contact, $fields);
 255
 256                                 Contact::markForArchival($contact);
 257                         } elseif ($contact['term-date'] > DBA::NULL_DATETIME) {
 258                                 Logger::log("$url back from the dead - removing mark for death");
 259                                 Contact::unmarkForArchival($contact);
 260                         }
 261
 262                         if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 263                                 // set the last-update so we don't keep polling
 264                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 265                                 return;
 266                         }
 267
 268                         if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 269                                 $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
 270                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 271                         }
 272
 273                         $postvars = [];
 274
 275                         $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 276                         $challenge    = hex2bin((string) $res->challenge);
 277
 278                         $final_dfrn_id = '';
 279
 280                         if ($contact['duplex'] && strlen($contact['prvkey'])) {
 281                                 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 282                                 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 283                         } else {
 284                                 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 285                                 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 286                         }
 287
 288                         $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 289
 290                         if (strpos($final_dfrn_id, ':') == 1) {
 291                                 $final_dfrn_id = substr($final_dfrn_id, 2);
 292                         }
 293
 294                         if ($final_dfrn_id != $orig_id) {
 295                                 // did not decode properly - cannot trust this site
 296                                 Logger::log('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 297
 298                                 // set the last-update so we don't keep polling
 299                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 300                                 Contact::markForArchival($contact);
 301                                 return;
 302                         }
 303
 304                         $postvars['dfrn_id'] = $idtosend;
 305                         $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 306                         $postvars['perm'] = 'rw';
 307
 308                         $xml = Network::post($contact['poll'], $postvars)->getBody();
 309
 310                 } elseif (($contact['network'] === Protocol::OSTATUS)
 311                         || ($contact['network'] === Protocol::DIASPORA)
 312                         || ($contact['network'] === Protocol::FEED)) {
 313
 314                         // Upgrading DB fields from an older Friendica version
 315                         // Will only do this once per notify-enabled OStatus contact
 316                         // or if relationship changes
 317
 318                         $stat_writeable = ((($contact['notify']) && ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND)) ? 1 : 0);
 319
 320                         // Contacts from OStatus are always writable
 321                         if ($contact['network'] === Protocol::OSTATUS) {
 322                                 $stat_writeable = 1;
 323                         }
 324
 325                         if ($stat_writeable != $contact['writable']) {
 326                                 $fields = ['writable' => $stat_writeable];
 327                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 328                         }
 329
 330                         // Are we allowed to import from this person?
 331
 332                         if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
 333                                 // set the last-update so we don't keep polling
 334                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 335                                 return;
 336                         }
 337
 338                         $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 339                         $curlResult = Network::curl($contact['poll'], false, $redirects, ['cookiejar' => $cookiejar]);
 340                         unlink($cookiejar);
 341
 342                         if ($curlResult->isTimeout()) {
 343                                 // set the last-update so we don't keep polling
 344                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 345                                 Contact::markForArchival($contact);
 346                                 return;
 347                         }
 348
 349                         $xml = $curlResult->getBody();
 350
 351                 } elseif ($contact['network'] === Protocol::MAIL) {
 352                         Logger::log("Mail: Fetching for ".$contact['addr'], Logger::DEBUG);
 353
 354                         $mail_disabled = ((function_exists('imap_open') && !Config::get('system', 'imap_disabled')) ? 0 : 1);
 355                         if ($mail_disabled) {
 356                                 // set the last-update so we don't keep polling
 357                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 358                                 Contact::markForArchival($contact);
 359                                 return;
 360                         }
 361
 362                         Logger::log("Mail: Enabled", Logger::DEBUG);
 363
 364                         $mbox = null;
 365                         $user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
 366
 367                         $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
 368                         $mailconf = DBA::selectFirst('mailacct', [], $condition);
 369                         if (DBA::isResult($user) && DBA::isResult($mailconf)) {
 370                                 $mailbox = Email::constructMailboxName($mailconf);
 371                                 $password = '';
 372                                 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
 373                                 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 374                                 unset($password);
 375                                 Logger::log("Mail: Connect to " . $mailconf['user']);
 376                                 if ($mbox) {
 377                                         $fields = ['last_check' => DateTimeFormat::utcNow()];
 378                                         DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
 379                                         Logger::log("Mail: Connected to " . $mailconf['user']);
 380                                 } else {
 381                                         Logger::log("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 382                                 }
 383                         }
 384
 385                         if ($mbox) {
 386                                 $msgs = Email::poll($mbox, $contact['addr']);
 387
 388                                 if (count($msgs)) {
 389                                         Logger::log("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], Logger::DEBUG);
 390
 391                                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 392
 393                                         if (count($metas) != count($msgs)) {
 394                                                 Logger::log("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", Logger::DEBUG);
 395                                         } else {
 396                                                 $msgs = array_combine($msgs, $metas);
 397
 398                                                 foreach ($msgs as $msg_uid => $meta) {
 399                                                         Logger::log("Mail: Parsing mail ".$msg_uid, Logger::DATA);
 400
 401                                                         $datarray = [];
 402                                                         $datarray['verb'] = ACTIVITY_POST;
 403                                                         $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 404                                                         $datarray['network'] = Protocol::MAIL;
 405                                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 406
 407                                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 408
 409                                                         // Have we seen it before?
 410                                                         $fields = ['deleted', 'id'];
 411                                                         $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
 412                                                         $item = Item::selectFirst($fields, $condition);
 413                                                         if (DBA::isResult($item)) {
 414                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],Logger::DEBUG);
 415
 416                                                                 // Only delete when mails aren't automatically moved or deleted
 417                                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 418                                                                         if ($meta->deleted && ! $item['deleted']) {
 419                                                                                 $fields = ['deleted' => true, 'changed' => DateTimeFormat::utcNow()];
 420                                                                                 Item::update($fields, ['id' => $item['id']]);
 421                                                                         }
 422
 423                                                                 switch ($mailconf['action']) {
 424                                                                         case 0:
 425                                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 426                                                                                 break;
 427                                                                         case 1:
 428                                                                                 Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 429                                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 430                                                                                 break;
 431                                                                         case 2:
 432                                                                                 Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 433                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 434                                                                                 break;
 435                                                                         case 3:
 436                                                                                 Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 437                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 438                                                                                 if ($mailconf['movetofolder'] != "") {
 439                                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 440                                                                                 }
 441                                                                                 break;
 442                                                                 }
 443                                                                 continue;
 444                                                         }
 445
 446
 447                                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 448                                                         $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
 449                                                         if (!trim($raw_refs)) {
 450                                                                 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
 451                                                         }
 452                                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 453
 454                                                         if ($raw_refs) {
 455                                                                 $refs_arr = explode(' ', $raw_refs);
 456                                                                 if (count($refs_arr)) {
 457                                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 458                                                                                 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
 459                                                                         }
 460                                                                 }
 461                                                                 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
 462                                                                 $parent = Item::selectFirst(['parent-uri'], $condition);
 463                                                                 if (DBA::isResult($parent)) {
 464                                                                         $datarray['parent-uri'] = $parent['parent-uri'];  // Set the parent as the top-level item
 465                                                                 }
 466                                                         }
 467
 468                                                         // Decoding the header
 469                                                         $subject = imap_mime_header_decode($meta->subject);
 470                                                         $datarray['title'] = "";
 471                                                         foreach ($subject as $subpart) {
 472                                                                 if ($subpart->charset != "default") {
 473                                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 474                                                                 } else {
 475                                                                         $datarray['title'] .= $subpart->text;
 476                                                                 }
 477                                                         }
 478                                                         $datarray['title'] = Strings::escapeTags(trim($datarray['title']));
 479
 480                                                         //$datarray['title'] = Strings::escapeTags(trim($meta->subject));
 481                                                         $datarray['created'] = DateTimeFormat::utc($meta->date);
 482
 483                                                         // Is it a reply?
 484                                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 485                                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 486                                                                 ($raw_refs != ""));
 487
 488                                                         // Remove Reply-signs in the subject
 489                                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 490
 491                                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 492                                                         if (empty($datarray['parent-uri']) && $reply) {
 493                                                                 $condition = ['title' => $datarray['title'], 'uid' => importer_uid, 'network' => Protocol::MAIL];
 494                                                                 $params = ['order' => ['created' => true]];
 495                                                                 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
 496                                                                 if (DBA::isResult($parent)) {
 497                                                                         $datarray['parent-uri'] = $parent['parent-uri'];
 498                                                                 }
 499                                                         }
 500
 501                                                         if (empty($datarray['parent-uri'])) {
 502                                                                 $datarray['parent-uri'] = $datarray['uri'];
 503                                                         }
 504
 505                                                         $r = Email::getMessage($mbox, $msg_uid, $reply);
 506                                                         if (!$r) {
 507                                                                 Logger::log("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 508                                                                 continue;
 509                                                         }
 510                                                         $datarray['body'] = Strings::escapeHtml($r['body']);
 511                                                         $datarray['body'] = BBCode::limitBodySize($datarray['body']);
 512
 513                                                         Logger::log("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 514
 515                                                         /// @TODO Adding a gravatar for the original author would be cool
 516
 517                                                         $from = imap_mime_header_decode($meta->from);
 518                                                         $fromdecoded = "";
 519                                                         foreach ($from as $frompart) {
 520                                                                 if ($frompart->charset != "default") {
 521                                                                         $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 522                                                                 } else {
 523                                                                         $fromdecoded .= $frompart->text;
 524                                                                 }
 525                                                         }
 526
 527                                                         $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->getHostName());
 528
 529                                                         $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
 530
 531                                                         if (isset($fromarr[0]->personal)) {
 532                                                                 $fromname = $fromarr[0]->personal;
 533                                                         } else {
 534                                                                 $fromname = $frommail;
 535                                                         }
 536
 537                                                         $datarray['author-name'] = $fromname;
 538                                                         $datarray['author-link'] = "mailto:".$frommail;
 539                                                         $datarray['author-avatar'] = $contact['photo'];
 540
 541                                                         $datarray['owner-name'] = $contact['name'];
 542                                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 543                                                         $datarray['owner-avatar'] = $contact['photo'];
 544
 545                                                         $datarray['uid'] = $importer_uid;
 546                                                         $datarray['contact-id'] = $contact['id'];
 547                                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 548                                                                 $datarray['private'] = 1;
 549                                                         }
 550                                                         if (($contact['network'] === Protocol::MAIL) && !PConfig::get($importer_uid, 'system', 'allow_public_email_replies')) {
 551                                                                 $datarray['private'] = 1;
 552                                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 553                                                         }
 554
 555                                                         $stored_item = Item::insert($datarray);
 556
 557                                                         switch ($mailconf['action']) {
 558                                                                 case 0:
 559                                                                         Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 560                                                                         break;
 561                                                                 case 1:
 562                                                                         Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 563                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 564                                                                         break;
 565                                                                 case 2:
 566                                                                         Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 567                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 568                                                                         break;
 569                                                                 case 3:
 570                                                                         Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 571                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 572                                                                         if ($mailconf['movetofolder'] != "") {
 573                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 574                                                                         }
 575                                                                         break;
 576                                                         }
 577                                                 }
 578                                         }
 579                                 } else {
 580                                         Logger::log("Mail: no mails for ".$mailconf['user']);
 581                                 }
 582
 583                                 Logger::log("Mail: closing connection for ".$mailconf['user']);
 584                                 imap_close($mbox);
 585                         }
 586                 }
 587
 588                 if ($xml) {
 589                         Logger::log('received xml : ' . $xml, Logger::DATA);
 590                         if (!strstr($xml, '<')) {
 591                                 Logger::log('post_handshake: response from ' . $url . ' did not contain XML.');
 592
 593                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 594                                 self::updateContact($contact, $fields);
 595                                 Contact::markForArchival($contact);
 596                                 return;
 597                         }
 598
 599
 600                         Logger::log("Consume feed of contact ".$contact['id']);
 601
 602                         consume_feed($xml, $importer, $contact, $hub);
 603
 604                         // do it a second time for DFRN so that any children find their parents.
 605                         if ($contact['network'] === Protocol::DFRN) {
 606                                 consume_feed($xml, $importer, $contact, $hub);
 607                         }
 608
 609                         $hubmode = 'subscribe';
 610                         if ($contact['network'] === Protocol::DFRN || $contact['blocked']) {
 611                                 $hubmode = 'unsubscribe';
 612                         }
 613
 614                         if (($contact['network'] === Protocol::OSTATUS ||  $contact['network'] == Protocol::FEED) && (! $contact['hub-verify'])) {
 615                                 $hub_update = true;
 616                         }
 617
 618                         if ($force) {
 619                                 $hub_update = true;
 620                         }
 621
 622                         Logger::log("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
 623
 624                         if (strlen($hub) && $hub_update && (($contact['rel'] != Contact::FOLLOWER) || $contact['network'] == Protocol::FEED)) {
 625                                 Logger::log('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 626                                 $hubs = explode(',', $hub);
 627
 628                                 if (count($hubs)) {
 629                                         foreach ($hubs as $h) {
 630                                                 $h = trim($h);
 631
 632                                                 if (!strlen($h)) {
 633                                                         continue;
 634                                                 }
 635
 636                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 637                                         }
 638                                 }
 639                         }
 640
 641                         $updated = DateTimeFormat::utcNow();
 642
 643                         self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
 644                         DBA::update('gcontact', ['last_contact' => $updated], ['nurl' => $contact['nurl']]);
 645                         Contact::unmarkForArchival($contact);
 646                 } elseif (in_array($contact["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::FEED])) {
 647                         $updated = DateTimeFormat::utcNow();
 648
 649                         self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 650                         DBA::update('gcontact', ['last_failure' => $updated], ['nurl' => $contact['nurl']]);
 651                         Contact::markForArchival($contact);
 652                 } else {
 653                         $updated = DateTimeFormat::utcNow();
 654                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 655                 }
 656
 657                 return;
 658         }
 659
 660         private static function RemoveReply($subject)
 661         {
 662                 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
 663                         $subject = trim(substr($subject, 4));
 664                 }
 665
 666                 return $subject;
 667         }
 668
 669         /**
 670          * @brief Updates a personal contact entry and the public contact entry
 671          *
 672          * @param array $contact The personal contact entry
 673          * @param array $fields The fields that are updated
 674          */
 675         private static function updateContact(array $contact, array $fields)
 676         {
 677                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 678                 DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
 679         }
 680 }