src/Worker/OnePoll.php

   1 <?php
   2 /**
   3  * @file src/Worker/OnePoll.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\Core\Config;
   8 use Friendica\Core\PConfig;
   9 use Friendica\Database\DBM;
  10 use Friendica\Model\Contact;
  11 use Friendica\Model\Item;
  12 use Friendica\Protocol\Email;
  13 use Friendica\Protocol\PortableContact;
  14 use Friendica\Util\Network;
  15 use Friendica\Util\XML;
  16 use dba;
  17
  18 require_once 'include/dba.php';
  19
  20 class OnePoll
  21 {
  22         public static function execute($contact_id = 0, $command = '') {
  23                 global $a;
  24
  25                 require_once 'include/datetime.php';
  26                 require_once 'include/items.php';
  27
  28                 logger('start');
  29
  30                 $manual_id  = 0;
  31                 $generation = 0;
  32                 $hub_update = false;
  33                 $force      = false;
  34                 $restart    = false;
  35
  36                 if ($command == "force") {
  37                         $force = true;
  38                 }
  39
  40                 if (!$contact_id) {
  41                         logger('no contact');
  42                         return;
  43                 }
  44
  45                 $d = datetime_convert();
  46
  47                 $contact = dba::selectFirst('contact', [], ['id' => $contact_id]);
  48                 if (!DBM::is_result($contact)) {
  49                         logger('Contact not found or cannot be used.');
  50                         return;
  51                 }
  52
  53                 $importer_uid = $contact['uid'];
  54
  55                 // load current friends if possible.
  56                 if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
  57                         $r = q("SELECT count(*) AS total FROM glink
  58                                 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
  59                                 intval($contact['id'])
  60                         );
  61                         if (DBM::is_result($r)) {
  62                                 if (!$r[0]['total']) {
  63                                         PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
  64                                 }
  65                         }
  66                 }
  67
  68                 // Diaspora users, archived users and followers are only checked if they still exist.
  69                 if ($contact['archive'] || ($contact["network"] == NETWORK_DIASPORA) || ($contact["rel"] == CONTACT_IS_FOLLOWER)) {
  70                         $last_updated = PortableContact::lastUpdated($contact["url"], true);
  71                         $updated = datetime_convert();
  72                         if ($last_updated) {
  73                                 logger('Contact '.$contact['id'].' had last update on '.$last_updated, LOGGER_DEBUG);
  74
  75                                 // The last public item can be older than the last item we got
  76                                 if ($last_updated < $contact['last-item']) {
  77                                         $last_updated = $contact['last-item'];
  78                                 }
  79
  80                                 $fields = ['last-item' => $last_updated, 'last-update' => $updated, 'success_update' => $updated];
  81                                 self::updateContact($contact, $fields);
  82                                 Contact::unmarkForArchival($contact);
  83                         } else {
  84                                 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
  85                                 Contact::markForArchival($contact);
  86                                 logger('Contact '.$contact['id'].' is marked for archival', LOGGER_DEBUG);
  87                         }
  88                         return;
  89                 }
  90
  91                 $xml = false;
  92
  93                 $t = $contact['last-update'];
  94
  95                 if ($contact['subhub']) {
  96                         $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
  97                         $contact['priority'] = intval($poll_interval);
  98                         $hub_update = false;
  99
 100                         if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 day")) {
 101                                 $hub_update = true;
 102                         }
 103                 } else {
 104                         $hub_update = false;
 105                 }
 106
 107                 $last_update = (($contact['last-update'] <= NULL_DATE)
 108                         ? datetime_convert('UTC', 'UTC', 'now - 7 days', ATOM_TIME)
 109                         : datetime_convert('UTC', 'UTC', $contact['last-update'], ATOM_TIME)
 110                 );
 111
 112                 // Update the contact entry
 113                 if (($contact['network'] === NETWORK_OSTATUS) || ($contact['network'] === NETWORK_DIASPORA) || ($contact['network'] === NETWORK_DFRN)) {
 114                         if (!PortableContact::reachable($contact['url'])) {
 115                                 logger("Skipping probably dead contact ".$contact['url']);
 116
 117                                 // set the last-update so we don't keep polling
 118                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 119                                 return;
 120                         }
 121
 122                         if (!Contact::updateFromProbe($contact["id"])) {
 123                                 Contact::markForArchival($contact);
 124                                 logger('Contact is marked dead');
 125
 126                                 // set the last-update so we don't keep polling
 127                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 128                                 return;
 129                         } else {
 130                                 Contact::unmarkForArchival($contact);
 131                         }
 132                 }
 133
 134                 if ($importer_uid == 0) {
 135                         logger('Ignore public contacts');
 136
 137                         // set the last-update so we don't keep polling
 138                         dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 139                         return;
 140                 }
 141
 142                 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 143                         intval($importer_uid)
 144                 );
 145
 146                 if (!DBM::is_result($r)) {
 147                         logger('No self contact for user '.$importer_uid);
 148
 149                         // set the last-update so we don't keep polling
 150                         dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 151                         return;
 152                 }
 153
 154                 $importer = $r[0];
 155
 156                 logger("poll: ({$contact['network']}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 157
 158                 if ($contact['network'] === NETWORK_DFRN) {
 159                         $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 160                         if (intval($contact['duplex']) && $contact['dfrn-id']) {
 161                                 $idtosend = '0:' . $orig_id;
 162                         }
 163                         if (intval($contact['duplex']) && $contact['issued-id']) {
 164                                 $idtosend = '1:' . $orig_id;
 165                         }
 166
 167                         // they have permission to write to us. We already filtered this in the contact query.
 168                         $perm = 'rw';
 169
 170                         // But this may be our first communication, so set the writable flag if it isn't set already.
 171
 172                         if (!intval($contact['writable'])) {
 173                                 $fields = ['writable' => true];
 174                                 dba::update('contact', $fields, ['id' => $contact['id']]);
 175                         }
 176
 177                         $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 178                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 179                                 . '&type=data&last_update=' . $last_update
 180                                 . '&perm=' . $perm ;
 181
 182                         $ret = Network::curl($url);
 183
 184                         if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 185                                 // set the last-update so we don't keep polling
 186                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 187                                 Contact::markForArchival($contact);
 188                                 return;
 189                         }
 190
 191                         $handshake_xml = $ret['body'];
 192
 193                         $html_code = $a->get_curl_code();
 194
 195                         logger('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
 196
 197
 198                         if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 199                                 logger("$url appears to be dead - marking for death ");
 200
 201                                 // dead connection - might be a transient event, or this might
 202                                 // mean the software was uninstalled or the domain expired.
 203                                 // Will keep trying for one month.
 204
 205                                 Contact::markForArchival($contact);
 206
 207                                 // set the last-update so we don't keep polling
 208                                 $fields = ['last-update' => datetime_convert(), 'failure_update' => datetime_convert()];
 209                                 self::updateContact($contact, $fields);
 210                                 return;
 211                         }
 212
 213                         if (!strstr($handshake_xml, '<')) {
 214                                 logger('response from ' . $url . ' did not contain XML.');
 215
 216                                 Contact::markForArchival($contact);
 217
 218                                 $fields = ['last-update' => datetime_convert(), 'failure_update' => datetime_convert()];
 219                                 self::updateContact($contact, $fields);
 220                                 return;
 221                         }
 222
 223
 224                         $res = XML::parseString($handshake_xml);
 225
 226                         if (intval($res->status) == 1) {
 227                                 logger("$url replied status 1 - marking for death ");
 228
 229                                 // we may not be friends anymore. Will keep trying for one month.
 230                                 // set the last-update so we don't keep polling
 231                                 $fields = ['last-update' => datetime_convert(), 'failure_update' => datetime_convert()];
 232                                 self::updateContact($contact, $fields);
 233
 234                                 Contact::markForArchival($contact);
 235                         } elseif ($contact['term-date'] > NULL_DATE) {
 236                                 logger("$url back from the dead - removing mark for death");
 237                                 Contact::unmarkForArchival($contact);
 238                         }
 239
 240                         if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 241                                 // set the last-update so we don't keep polling
 242                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 243                                 return;
 244                         }
 245
 246                         if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 247                                 $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
 248                                 dba::update('contact', $fields, ['id' => $contact['id']]);
 249                         }
 250
 251                         $postvars = [];
 252
 253                         $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 254                         $challenge    = hex2bin((string) $res->challenge);
 255
 256                         $final_dfrn_id = '';
 257
 258                         if ($contact['duplex'] && strlen($contact['prvkey'])) {
 259                                 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 260                                 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 261                         } else {
 262                                 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 263                                 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 264                         }
 265
 266                         $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 267
 268                         if (strpos($final_dfrn_id, ':') == 1) {
 269                                 $final_dfrn_id = substr($final_dfrn_id, 2);
 270                         }
 271
 272                         if ($final_dfrn_id != $orig_id) {
 273                                 // did not decode properly - cannot trust this site
 274                                 logger('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 275
 276                                 // set the last-update so we don't keep polling
 277                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 278                                 Contact::markForArchival($contact);
 279                                 return;
 280                         }
 281
 282                         $postvars['dfrn_id'] = $idtosend;
 283                         $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 284                         $postvars['perm'] = 'rw';
 285
 286                         $xml = Network::post($contact['poll'], $postvars);
 287
 288                 } elseif (($contact['network'] === NETWORK_OSTATUS)
 289                         || ($contact['network'] === NETWORK_DIASPORA)
 290                         || ($contact['network'] === NETWORK_FEED)) {
 291
 292                         // Upgrading DB fields from an older Friendica version
 293                         // Will only do this once per notify-enabled OStatus contact
 294                         // or if relationship changes
 295
 296                         $stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
 297
 298                         // Contacts from OStatus are always writable
 299                         if ($contact['network'] === NETWORK_OSTATUS) {
 300                                 $stat_writeable = 1;
 301                         }
 302
 303                         if ($stat_writeable != $contact['writable']) {
 304                                 $fields = ['writable' => $stat_writeable];
 305                                 dba::update('contact', $fields, ['id' => $contact['id']]);
 306                         }
 307
 308                         // Are we allowed to import from this person?
 309
 310                         if ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked'] || $contact['readonly']) {
 311                                 // set the last-update so we don't keep polling
 312                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 313                                 return;
 314                         }
 315
 316                         $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 317                         $ret = Network::curl($contact['poll'], false, $redirects, ['cookiejar' => $cookiejar]);
 318                         unlink($cookiejar);
 319
 320                         if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 321                                 // set the last-update so we don't keep polling
 322                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 323                                 Contact::markForArchival($contact);
 324                                 return;
 325                         }
 326
 327                         $xml = $ret['body'];
 328
 329                 } elseif ($contact['network'] === NETWORK_MAIL) {
 330
 331                         logger("Mail: Fetching for ".$contact['addr'], LOGGER_DEBUG);
 332
 333                         $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
 334                         if ($mail_disabled) {
 335                                 // set the last-update so we don't keep polling
 336                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 337                                 Contact::markForArchival($contact);
 338                                 return;
 339                         }
 340
 341                         logger("Mail: Enabled", LOGGER_DEBUG);
 342
 343                         $mbox = null;
 344                         $user = dba::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
 345
 346                         $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
 347                         $mailconf = dba::selectFirst('mailacct', [], $condition);
 348                         if (DBM::is_result($user) && DBM::is_result($mailconf)) {
 349                                 $mailbox = Email::constructMailboxName($mailconf);
 350                                 $password = '';
 351                                 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
 352                                 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 353                                 unset($password);
 354                                 logger("Mail: Connect to " . $mailconf['user']);
 355                                 if ($mbox) {
 356                                         $fields = ['last_check' => datetime_convert()];
 357                                         dba::update('mailacct', $fields, ['id' => $mailconf['id']]);
 358                                         logger("Mail: Connected to " . $mailconf['user']);
 359                                 } else {
 360                                         logger("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 361                                 }
 362                         }
 363
 364                         if ($mbox) {
 365                                 $msgs = Email::poll($mbox, $contact['addr']);
 366
 367                                 if (count($msgs)) {
 368                                         logger("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], LOGGER_DEBUG);
 369
 370                                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 371                                         if (count($metas) != count($msgs)) {
 372                                                 logger("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", LOGGER_DEBUG);
 373                                         } else {
 374                                                 $msgs = array_combine($msgs, $metas);
 375
 376                                                 foreach ($msgs as $msg_uid => $meta) {
 377                                                         logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
 378
 379                                                         $datarray = [];
 380                                                         $datarray['verb'] = ACTIVITY_POST;
 381                                                         $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 382                                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 383
 384                                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 385
 386                                                         // Have we seen it before?
 387                                                         $fields = ['deleted', 'id'];
 388                                                         $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
 389                                                         $item = dba::selectFirst('item', $fields, $condition);
 390                                                         if (DBM::is_result($item)) {
 391                                                                 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],LOGGER_DEBUG);
 392
 393                                                                 // Only delete when mails aren't automatically moved or deleted
 394                                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 395                                                                         if ($meta->deleted && ! $item['deleted']) {
 396                                                                                 $fields = ['deleted' => true, 'changed' => datetime_convert()];
 397                                                                                 dba::update('item', $fields, ['id' => $item['id']]);
 398                                                                         }
 399
 400                                                                 switch ($mailconf['action']) {
 401                                                                         case 0:
 402                                                                                 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
 403                                                                                 break;
 404                                                                         case 1:
 405                                                                                 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 406                                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 407                                                                                 break;
 408                                                                         case 2:
 409                                                                                 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 410                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 411                                                                                 break;
 412                                                                         case 3:
 413                                                                                 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 414                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 415                                                                                 if ($mailconf['movetofolder'] != "") {
 416                                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 417                                                                                 }
 418                                                                                 break;
 419                                                                 }
 420                                                                 continue;
 421                                                         }
 422
 423
 424                                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 425                                                         $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
 426                                                         if (!trim($raw_refs)) {
 427                                                                 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
 428                                                         }
 429                                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 430
 431                                                         if ($raw_refs) {
 432                                                                 $refs_arr = explode(' ', $raw_refs);
 433                                                                 if (count($refs_arr)) {
 434                                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 435                                                                                 $refs_arr[$x] = "'" . Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''],dbesc($refs_arr[$x]))) . "'";
 436                                                                         }
 437                                                                 }
 438                                                                 $qstr = implode(',', $refs_arr);
 439                                                                 $r = q("SELECT `parent-uri` FROM `item` USE INDEX (`uid_uri`) WHERE `uri` IN ($qstr) AND `uid` = %d LIMIT 1",
 440                                                                         intval($importer_uid)
 441                                                                 );
 442                                                                 if (DBM::is_result($r)) {
 443                                                                         $datarray['parent-uri'] = $r[0]['parent-uri'];  // Set the parent as the top-level item
 444                                                                 }
 445                                                         }
 446
 447                                                         // Decoding the header
 448                                                         $subject = imap_mime_header_decode($meta->subject);
 449                                                         $datarray['title'] = "";
 450                                                         foreach ($subject as $subpart) {
 451                                                                 if ($subpart->charset != "default") {
 452                                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 453                                                                 } else {
 454                                                                         $datarray['title'] .= $subpart->text;
 455                                                                 }
 456                                                         }
 457                                                         $datarray['title'] = notags(trim($datarray['title']));
 458
 459                                                         //$datarray['title'] = notags(trim($meta->subject));
 460                                                         $datarray['created'] = datetime_convert('UTC', 'UTC', $meta->date);
 461
 462                                                         // Is it a reply?
 463                                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 464                                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 465                                                                 ($raw_refs != ""));
 466
 467                                                         // Remove Reply-signs in the subject
 468                                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 469
 470                                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 471                                                         if (empty($datarray['parent-uri']) && $reply) {
 472                                                                 $r = q("SELECT `parent-uri` FROM `item` WHERE `title` = \"%s\" AND `uid` = %d AND `network` = '%s' ORDER BY `created` DESC LIMIT 1",
 473                                                                         dbesc(protect_sprintf($datarray['title'])),
 474                                                                         intval($importer_uid),
 475                                                                         dbesc(NETWORK_MAIL));
 476                                                                 if (DBM::is_result($r)) {
 477                                                                         $datarray['parent-uri'] = $r[0]['parent-uri'];
 478                                                                 }
 479                                                         }
 480
 481                                                         if (empty($datarray['parent-uri'])) {
 482                                                                 $datarray['parent-uri'] = $datarray['uri'];
 483                                                         }
 484
 485                                                         $r = Email::getMessage($mbox, $msg_uid, $reply);
 486                                                         if (!$r) {
 487                                                                 logger("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 488                                                                 continue;
 489                                                         }
 490                                                         $datarray['body'] = escape_tags($r['body']);
 491                                                         $datarray['body'] = Item::limitBodySize($datarray['body']);
 492
 493                                                         logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 494
 495                                                         /// @TODO Adding a gravatar for the original author would be cool
 496
 497                                                         $from = imap_mime_header_decode($meta->from);
 498                                                         $fromdecoded = "";
 499                                                         foreach ($from as $frompart) {
 500                                                                 if ($frompart->charset != "default") {
 501                                                                         $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 502                                                                 } else {
 503                                                                         $fromdecoded .= $frompart->text;
 504                                                                 }
 505                                                         }
 506
 507                                                         $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->get_hostname());
 508
 509                                                         $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
 510
 511                                                         if (isset($fromarr[0]->personal)) {
 512                                                                 $fromname = $fromarr[0]->personal;
 513                                                         } else {
 514                                                                 $fromname = $frommail;
 515                                                         }
 516
 517                                                         $datarray['author-name'] = $fromname;
 518                                                         $datarray['author-link'] = "mailto:".$frommail;
 519                                                         $datarray['author-avatar'] = $contact['photo'];
 520
 521                                                         $datarray['owner-name'] = $contact['name'];
 522                                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 523                                                         $datarray['owner-avatar'] = $contact['photo'];
 524
 525                                                         $datarray['uid'] = $importer_uid;
 526                                                         $datarray['contact-id'] = $contact['id'];
 527                                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 528                                                                 $datarray['private'] = 1;
 529                                                         }
 530                                                         if (($contact['network'] === NETWORK_MAIL) && (!PConfig::get($importer_uid, 'system', 'allow_public_email_replies'))) {
 531                                                                 $datarray['private'] = 1;
 532                                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 533                                                         }
 534
 535                                                         $stored_item = Item::insert($datarray);
 536
 537                                                         switch ($mailconf['action']) {
 538                                                                 case 0:
 539                                                                         logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
 540                                                                         break;
 541                                                                 case 1:
 542                                                                         logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 543                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 544                                                                         break;
 545                                                                 case 2:
 546                                                                         logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 547                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 548                                                                         break;
 549                                                                 case 3:
 550                                                                         logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 551                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 552                                                                         if ($mailconf['movetofolder'] != "") {
 553                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 554                                                                         }
 555                                                                         break;
 556                                                         }
 557                                                 }
 558                                         }
 559                                 } else {
 560                                         logger("Mail: no mails for ".$mailconf['user']);
 561                                 }
 562
 563                                 logger("Mail: closing connection for ".$mailconf['user']);
 564                                 imap_close($mbox);
 565                         }
 566                 }
 567
 568                 if ($xml) {
 569                         logger('received xml : ' . $xml, LOGGER_DATA);
 570                         if (!strstr($xml, '<')) {
 571                                 logger('post_handshake: response from ' . $url . ' did not contain XML.');
 572
 573                                 $fields = ['last-update' => datetime_convert(), 'failure_update' => datetime_convert()];
 574                                 self::updateContact($contact, $fields);
 575                                 Contact::markForArchival($contact);
 576                                 return;
 577                         }
 578
 579
 580                         logger("Consume feed of contact ".$contact['id']);
 581
 582                         consume_feed($xml, $importer, $contact, $hub, 1, 1);
 583
 584                         // do it twice. Ensures that children of parents which may be later in the stream aren't tossed
 585
 586                         consume_feed($xml, $importer, $contact, $hub, 1, 2);
 587
 588                         $hubmode = 'subscribe';
 589                         if ($contact['network'] === NETWORK_DFRN || $contact['blocked'] || $contact['readonly']) {
 590                                 $hubmode = 'unsubscribe';
 591                         }
 592
 593                         if (($contact['network'] === NETWORK_OSTATUS ||  $contact['network'] == NETWORK_FEED) && (! $contact['hub-verify'])) {
 594                                 $hub_update = true;
 595                         }
 596
 597                         if ($force) {
 598                                 $hub_update = true;
 599                         }
 600
 601                         logger("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
 602
 603                         if (strlen($hub) && $hub_update && (($contact['rel'] != CONTACT_IS_FOLLOWER) || $contact['network'] == NETWORK_FEED)) {
 604                                 logger('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 605                                 $hubs = explode(',', $hub);
 606                                 if (count($hubs)) {
 607                                         foreach ($hubs as $h) {
 608                                                 $h = trim($h);
 609                                                 if (!strlen($h)) {
 610                                                         continue;
 611                                                 }
 612                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 613                                         }
 614                                 }
 615                         }
 616
 617                         $updated = datetime_convert();
 618
 619                         self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
 620                         dba::update('gcontact', ['last_contact' => $updated], ['nurl' => $contact['nurl']]);
 621                         Contact::unmarkForArchival($contact);
 622                 } elseif (in_array($contact["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_FEED])) {
 623                         $updated = datetime_convert();
 624
 625                         self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 626                         dba::update('gcontact', ['last_failure' => $updated], ['nurl' => $contact['nurl']]);
 627                         Contact::markForArchival($contact);
 628                 } else {
 629                         $updated = datetime_convert();
 630                         dba::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 631                 }
 632
 633                 return;
 634         }
 635
 636         private static function RemoveReply($subject) {
 637                 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
 638                         $subject = trim(substr($subject, 4));
 639                 }
 640
 641                 return $subject;
 642         }
 643
 644         /**
 645          * @brief Updates a personal contact entry and the public contact entry
 646          *
 647          * @param array $contact The personal contact entry
 648          * @param array $fields The fields that are updated
 649          */
 650         private static function updateContact($contact, $fields) {
 651                 dba::update('contact', $fields, ['id' => $contact['id']]);
 652                 dba::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
 653         }
 654 }