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\Protocol\Email;
  12 use Friendica\Protocol\PortableContact;
  13 use dba;
  14
  15 require_once 'include/dba.php';
  16 require_once 'include/follow.php';
  17
  18 Class OnePoll
  19 {
  20         public static function execute($contact_id = 0, $command = '') {
  21                 global $a;
  22
  23                 require_once 'include/datetime.php';
  24                 require_once 'include/items.php';
  25                 require_once 'include/queue_fn.php';
  26
  27                 logger('start');
  28
  29                 $manual_id  = 0;
  30                 $generation = 0;
  31                 $hub_update = false;
  32                 $force      = false;
  33                 $restart    = false;
  34
  35                 if ($command == "force") {
  36                         $force = true;
  37                 }
  38
  39                 if (!$contact_id) {
  40                         logger('no contact');
  41                         return;
  42                 }
  43
  44                 $d = datetime_convert();
  45
  46                 $contact = dba::select('contact', [], ['id' => $contact_id], ['limit' => 1]);
  47                 if (!DBM::is_result($contact)) {
  48                         logger('Contact not found or cannot be used.');
  49                         return;
  50                 }
  51
  52                 $importer_uid = $contact['uid'];
  53
  54                 // load current friends if possible.
  55                 if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
  56                         $r = q("SELECT count(*) AS total FROM glink
  57                                 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
  58                                 intval($contact['id'])
  59                         );
  60                         if (DBM::is_result($r)) {
  61                                 if (!$r[0]['total']) {
  62                                         PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
  63                                 }
  64                         }
  65                 }
  66
  67                 // Diaspora users, archived users and followers are only checked if they still exist.
  68                 if ($contact['archive'] || ($contact["network"] == NETWORK_DIASPORA) || ($contact["rel"] == CONTACT_IS_FOLLOWER)) {
  69                         $last_updated = PortableContact::lastUpdated($contact["url"]);
  70                         $updated = datetime_convert();
  71                         if ($last_updated) {
  72                                 logger('Contact '.$contact['id'].' had last update on '.$last_updated, LOGGER_DEBUG);
  73
  74                                 // The last public item can be older than the last item we got
  75                                 if ($last_updated < $contact['last-item']) {
  76                                         $last_updated = $contact['last-item'];
  77                                 }
  78
  79                                 $fields = array('last-item' => $last_updated, 'last-update' => $updated, 'success_update' => $updated);
  80                                 self::updateContact($contact, $fields);
  81                                 Contact::unmarkForArchival($contact);
  82                         } else {
  83                                 self::updateContact($contact, array('last-update' => $updated, 'failure_update' => $updated));
  84                                 Contact::markForArchival($contact);
  85                                 logger('Contact '.$contact['id'].' is marked for archival', LOGGER_DEBUG);
  86                         }
  87                         return;
  88                 }
  89
  90                 $xml = false;
  91
  92                 $t = $contact['last-update'];
  93
  94                 if ($contact['subhub']) {
  95                         $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
  96                         $contact['priority'] = intval($poll_interval);
  97                         $hub_update = false;
  98
  99                         if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 day")) {
 100                                 $hub_update = true;
 101                         }
 102                 } else {
 103                         $hub_update = false;
 104                 }
 105
 106                 $last_update = (($contact['last-update'] <= NULL_DATE)
 107                         ? datetime_convert('UTC', 'UTC', 'now - 7 days', ATOM_TIME)
 108                         : datetime_convert('UTC', 'UTC', $contact['last-update'], ATOM_TIME)
 109                 );
 110
 111                 // Update the contact entry
 112                 if (($contact['network'] === NETWORK_OSTATUS) || ($contact['network'] === NETWORK_DIASPORA) || ($contact['network'] === NETWORK_DFRN)) {
 113                         if (!PortableContact::reachable($contact['url'])) {
 114                                 logger("Skipping probably dead contact ".$contact['url']);
 115
 116                                 // set the last-update so we don't keep polling
 117                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 118                                 return;
 119                         }
 120
 121                         if (!update_contact($contact["id"])) {
 122                                 Contact::markForArchival($contact);
 123                                 logger('Contact is marked dead');
 124
 125                                 // set the last-update so we don't keep polling
 126                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 127                                 return;
 128                         } else {
 129                                 Contact::unmarkForArchival($contact);
 130                         }
 131                 }
 132
 133                 if ($importer_uid == 0) {
 134                         logger('Ignore public contacts');
 135
 136                         // set the last-update so we don't keep polling
 137                         dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 138                         return;
 139                 }
 140
 141                 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 142                         intval($importer_uid)
 143                 );
 144
 145                 if (!DBM::is_result($r)) {
 146                         logger('No self contact for user '.$importer_uid);
 147
 148                         // set the last-update so we don't keep polling
 149                         dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 150                         return;
 151                 }
 152
 153                 $importer = $r[0];
 154
 155                 logger("poll: ({$contact['network']}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 156
 157                 if ($contact['network'] === NETWORK_DFRN) {
 158                         $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 159                         if (intval($contact['duplex']) && $contact['dfrn-id']) {
 160                                 $idtosend = '0:' . $orig_id;
 161                         }
 162                         if (intval($contact['duplex']) && $contact['issued-id']) {
 163                                 $idtosend = '1:' . $orig_id;
 164                         }
 165
 166                         // they have permission to write to us. We already filtered this in the contact query.
 167                         $perm = 'rw';
 168
 169                         // But this may be our first communication, so set the writable flag if it isn't set already.
 170
 171                         if (!intval($contact['writable'])) {
 172                                 $fields = array('writable' => true);
 173                                 dba::update('contact', $fields, array('id' => $contact['id']));
 174                         }
 175
 176                         $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 177                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 178                                 . '&type=data&last_update=' . $last_update
 179                                 . '&perm=' . $perm ;
 180
 181                         $ret = z_fetch_url($url);
 182
 183                         if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 184                                 // set the last-update so we don't keep polling
 185                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 186                                 Contact::markForArchival($contact);
 187                                 return;
 188                         }
 189
 190                         $handshake_xml = $ret['body'];
 191
 192                         $html_code = $a->get_curl_code();
 193
 194                         logger('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
 195
 196
 197                         if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 198                                 logger("$url appears to be dead - marking for death ");
 199
 200                                 // dead connection - might be a transient event, or this might
 201                                 // mean the software was uninstalled or the domain expired.
 202                                 // Will keep trying for one month.
 203
 204                                 Contact::markForArchival($contact);
 205
 206                                 // set the last-update so we don't keep polling
 207                                 $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 208                                 self::updateContact($contact, $fields);
 209                                 return;
 210                         }
 211
 212                         if (!strstr($handshake_xml, '<')) {
 213                                 logger('response from ' . $url . ' did not contain XML.');
 214
 215                                 Contact::markForArchival($contact);
 216
 217                                 $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 218                                 self::updateContact($contact, $fields);
 219                                 return;
 220                         }
 221
 222
 223                         $res = parse_xml_string($handshake_xml);
 224
 225                         if (intval($res->status) == 1) {
 226                                 logger("$url replied status 1 - marking for death ");
 227
 228                                 // we may not be friends anymore. Will keep trying for one month.
 229                                 // set the last-update so we don't keep polling
 230                                 $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 231                                 self::updateContact($contact, $fields);
 232
 233                                 Contact::markForArchival($contact);
 234                         } elseif ($contact['term-date'] > NULL_DATE) {
 235                                 logger("$url back from the dead - removing mark for death");
 236                                 Contact::unmarkForArchival($contact);
 237                         }
 238
 239                         if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 240                                 // set the last-update so we don't keep polling
 241                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 242                                 return;
 243                         }
 244
 245                         if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 246                                 $fields = array('poco' => str_replace('/profile/', '/poco/', $contact['url']));
 247                                 dba::update('contact', $fields, array('id' => $contact['id']));
 248                         }
 249
 250                         $postvars = array();
 251
 252                         $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 253                         $challenge    = hex2bin((string) $res->challenge);
 254
 255                         $final_dfrn_id = '';
 256
 257                         if ($contact['duplex'] && strlen($contact['prvkey'])) {
 258                                 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 259                                 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 260                         } else {
 261                                 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 262                                 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 263                         }
 264
 265                         $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 266
 267                         if (strpos($final_dfrn_id, ':') == 1) {
 268                                 $final_dfrn_id = substr($final_dfrn_id, 2);
 269                         }
 270
 271                         if ($final_dfrn_id != $orig_id) {
 272                                 // did not decode properly - cannot trust this site
 273                                 logger('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 274
 275                                 // set the last-update so we don't keep polling
 276                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 277                                 Contact::markForArchival($contact);
 278                                 return;
 279                         }
 280
 281                         $postvars['dfrn_id'] = $idtosend;
 282                         $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 283                         $postvars['perm'] = 'rw';
 284
 285                         $xml = post_url($contact['poll'], $postvars);
 286
 287                 } elseif (($contact['network'] === NETWORK_OSTATUS)
 288                         || ($contact['network'] === NETWORK_DIASPORA)
 289                         || ($contact['network'] === NETWORK_FEED)) {
 290
 291                         // Upgrading DB fields from an older Friendica version
 292                         // Will only do this once per notify-enabled OStatus contact
 293                         // or if relationship changes
 294
 295                         $stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
 296
 297                         // Contacts from OStatus are always writable
 298                         if ($contact['network'] === NETWORK_OSTATUS) {
 299                                 $stat_writeable = 1;
 300                         }
 301
 302                         if ($stat_writeable != $contact['writable']) {
 303                                 $fields = array('writable' => $stat_writeable);
 304                                 dba::update('contact', $fields, array('id' => $contact['id']));
 305                         }
 306
 307                         // Are we allowed to import from this person?
 308
 309                         if ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked'] || $contact['readonly']) {
 310                                 // set the last-update so we don't keep polling
 311                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 312                                 return;
 313                         }
 314
 315                         $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 316                         $ret = z_fetch_url($contact['poll'], false, $redirects, array('cookiejar' => $cookiejar));
 317                         unlink($cookiejar);
 318
 319                         if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 320                                 // set the last-update so we don't keep polling
 321                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 322                                 Contact::markForArchival($contact);
 323                                 return;
 324                         }
 325
 326                         $xml = $ret['body'];
 327
 328                 } elseif ($contact['network'] === NETWORK_MAIL) {
 329
 330                         logger("Mail: Fetching for ".$contact['addr'], LOGGER_DEBUG);
 331
 332                         $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
 333                         if ($mail_disabled) {
 334                                 // set the last-update so we don't keep polling
 335                                 dba::update('contact', ['last-update' => datetime_convert()], ['id' => $contact['id']]);
 336                                 Contact::markForArchival($contact);
 337                                 return;
 338                         }
 339
 340                         logger("Mail: Enabled", LOGGER_DEBUG);
 341
 342                         $mbox = null;
 343                         $x = dba::select('user', array('prvkey'), array('uid' => $importer_uid), array('limit' => 1));
 344
 345                         $condition = array("`server` != '' AND `uid` = ?", $importer_uid);
 346                         $mailconf = dba::select('mailacct', array(), $condition, array('limit' => 1));
 347                         if (DBM::is_result($x) && DBM::is_result($mailconf)) {
 348                                 $mailbox = Email::constructMailboxName($mailconf);
 349                                 $password = '';
 350                                 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $x['prvkey']);
 351                                 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 352                                 unset($password);
 353                                 logger("Mail: Connect to " . $mailconf['user']);
 354                                 if ($mbox) {
 355                                         $fields = array('last_check' => datetime_convert());
 356                                         dba::update('mailacct', $fields, array('id' => $mailconf['id']));
 357                                         logger("Mail: Connected to " . $mailconf['user']);
 358                                 } else {
 359                                         logger("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 360                                 }
 361                         }
 362
 363                         if ($mbox) {
 364                                 $msgs = Email::poll($mbox, $contact['addr']);
 365
 366                                 if (count($msgs)) {
 367                                         logger("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], LOGGER_DEBUG);
 368
 369                                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 370                                         if (count($metas) != count($msgs)) {
 371                                                 logger("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", LOGGER_DEBUG);
 372                                         } else {
 373                                                 $msgs = array_combine($msgs, $metas);
 374
 375                                                 foreach ($msgs as $msg_uid => $meta) {
 376                                                         logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
 377
 378                                                         $datarray = array();
 379                                                         $datarray['verb'] = ACTIVITY_POST;
 380                                                         $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 381                                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 382
 383                                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 384
 385                                                         // Have we seen it before?
 386                                                         $fields = array('deleted', 'id');
 387                                                         $condition = array('uid' => $importer_uid, 'uri' => $datarray['uri']);
 388                                                         $r = dba::select('item', $fields, $condition, array('limit' => 1));
 389
 390                                                         if (DBM::is_result($r)) {
 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 && ! $r['deleted']) {
 396                                                                                 $fields = array('deleted' => true, 'changed' => datetime_convert());
 397                                                                                 dba::update('item', $fields, array('id' => $r['id']));
 398                                                                         }
 399
 400                                                                 switch ($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(array('<', '>', ' '),array('', '', ''),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                                                         $datarray['body'] = limit_body_size($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                                                         $stored_item = item_store($datarray);
 536
 537                                                         $condition = array('parent-uri' => $datarray['parent-uri'], 'uid' => $importer_uid);
 538                                                         dba::update('item', array('last-child' => false), $condition);
 539
 540                                                         dba::update('item', array('last-child' => true), array('id' => $stored_item));
 541
 542                                                         switch ($mailconf['action']) {
 543                                                                 case 0:
 544                                                                         logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
 545                                                                         break;
 546                                                                 case 1:
 547                                                                         logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 548                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 549                                                                         break;
 550                                                                 case 2:
 551                                                                         logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 552                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 553                                                                         break;
 554                                                                 case 3:
 555                                                                         logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 556                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 557                                                                         if ($mailconf['movetofolder'] != "") {
 558                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 559                                                                         }
 560                                                                         break;
 561                                                         }
 562                                                 }
 563                                         }
 564                                 } else {
 565                                         logger("Mail: no mails for ".$mailconf['user']);
 566                                 }
 567
 568                                 logger("Mail: closing connection for ".$mailconf['user']);
 569                                 imap_close($mbox);
 570                         }
 571                 }
 572
 573                 if ($xml) {
 574                         logger('received xml : ' . $xml, LOGGER_DATA);
 575                         if (!strstr($xml, '<')) {
 576                                 logger('post_handshake: response from ' . $url . ' did not contain XML.');
 577
 578                                 $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 579                                 self::updateContact($contact, $fields);
 580                                 Contact::markForArchival($contact);
 581                                 return;
 582                         }
 583
 584
 585                         logger("Consume feed of contact ".$contact['id']);
 586
 587                         consume_feed($xml, $importer, $contact, $hub, 1, 1);
 588
 589                         // do it twice. Ensures that children of parents which may be later in the stream aren't tossed
 590
 591                         consume_feed($xml, $importer, $contact, $hub, 1, 2);
 592
 593                         $hubmode = 'subscribe';
 594                         if ($contact['network'] === NETWORK_DFRN || $contact['blocked'] || $contact['readonly']) {
 595                                 $hubmode = 'unsubscribe';
 596                         }
 597
 598                         if (($contact['network'] === NETWORK_OSTATUS ||  $contact['network'] == NETWORK_FEED) && (! $contact['hub-verify'])) {
 599                                 $hub_update = true;
 600                         }
 601
 602                         if ($force) {
 603                                 $hub_update = true;
 604                         }
 605
 606                         logger("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
 607
 608                         if (strlen($hub) && $hub_update && (($contact['rel'] != CONTACT_IS_FOLLOWER) || $contact['network'] == NETWORK_FEED)) {
 609                                 logger('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 610                                 $hubs = explode(',', $hub);
 611                                 if (count($hubs)) {
 612                                         foreach ($hubs as $h) {
 613                                                 $h = trim($h);
 614                                                 if (!strlen($h)) {
 615                                                         continue;
 616                                                 }
 617                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 618                                         }
 619                                 }
 620                         }
 621
 622                         $updated = datetime_convert();
 623
 624                         self::updateContact($contact, array('last-update' => $updated, 'success_update' => $updated));
 625                         dba::update('gcontact', array('last_contact' => $updated), array('nurl' => $contact['nurl']));
 626                         Contact::unmarkForArchival($contact);
 627                 } elseif (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_FEED))) {
 628                         $updated = datetime_convert();
 629
 630                         self::updateContact($contact, array('last-update' => $updated, 'failure_update' => $updated));
 631                         dba::update('gcontact', array('last_failure' => $updated), array('nurl' => $contact['nurl']));
 632                         Contact::markForArchival($contact);
 633                 } else {
 634                         dba::update('contact', array('last-update' => $updated), array('id' => $contact['id']));
 635                 }
 636
 637                 return;
 638         }
 639
 640         private static function RemoveReply($subject) {
 641                 while (in_array(strtolower(substr($subject, 0, 3)), array("re:", "aw:"))) {
 642                         $subject = trim(substr($subject, 4));
 643                 }
 644
 645                 return $subject;
 646         }
 647
 648         /**
 649          * @brief Updates a personal contact entry and the public contact entry
 650          *
 651          * @param array $contact The personal contact entry
 652          * @param array $fields The fields that are updated
 653          */
 654         private static function updateContact($contact, $fields) {
 655                 dba::update('contact', $fields, array('id' => $contact['id']));
 656                 dba::update('contact', $fields, array('uid' => 0, 'nurl' => $contact['nurl']));
 657         }
 658 }