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