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\Object\Contact;
  11 use Friendica\Protocol\PortableContact;
  12 use dba;
  13
  14 require_once 'include/follow.php';
  15
  16 Class OnePoll
  17 {
  18         public static function execute($contact_id = 0, $command = '') {
  19                 global $a;
  20
  21                 require_once 'include/datetime.php';
  22                 require_once 'include/items.php';
  23                 require_once 'include/Contact.php';
  24                 require_once 'include/email.php';
  25                 require_once 'include/queue_fn.php';
  26
  27                 logger('onepoll: 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('onepoll: no contact');
  41                         return;
  42                 }
  43
  44                 $d = datetime_convert();
  45
  46                 // Only poll from those with suitable relationships,
  47                 // and which have a polling address and ignore Diaspora since
  48                 // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
  49
  50                 $contacts = q("SELECT `contact`.* FROM `contact`
  51                         WHERE (`rel` = %d OR `rel` = %d) AND `poll` != ''
  52                         AND NOT `network` IN ('%s', '%s')
  53                         AND `contact`.`id` = %d
  54                         AND `self` = 0 AND `contact`.`blocked` = 0 AND `contact`.`readonly` = 0
  55                         AND `contact`.`archive` = 0 LIMIT 1",
  56                         intval(CONTACT_IS_SHARING),
  57                         intval(CONTACT_IS_FRIEND),
  58                         dbesc(NETWORK_FACEBOOK),
  59                         dbesc(NETWORK_PUMPIO),
  60                         intval($contact_id)
  61                 );
  62
  63                 if (!count($contacts)) {
  64                         logger('Contact not found or cannot be used.');
  65                         return;
  66                 }
  67
  68                 $contact = $contacts[0];
  69
  70                 $importer_uid = $contact['uid'];
  71
  72                 // load current friends if possible.
  73                 if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
  74                         $r = q("SELECT count(*) AS total FROM glink
  75                                 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
  76                                 intval($contact['id'])
  77                         );
  78                         if (DBM::is_result($r)) {
  79                                 if (!$r[0]['total']) {
  80                                         PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
  81                                 }
  82                         }
  83                 }
  84
  85                 /// @TODO Check why we don't poll the Diaspora feed at the moment (some guid problem in the items?)
  86                 /// @TODO Check whether this is possible with Redmatrix
  87                 if ($contact["network"] == NETWORK_DIASPORA) {
  88                         if (PortableContact::updateNeeded($contact["created"], $contact["last-item"], $contact["failure_update"], $contact["success_update"])) {
  89                                 $last_updated = PortableContact::lastUpdated($contact["url"]);
  90                                 $updated = datetime_convert();
  91                                 if ($last_updated) {
  92                                         $fields = array('last-item' => $last_updated, 'last-update' => $updated, 'success_update' => $updated);
  93                                         dba::update('contact', $fields, array('id' => $contact['id']));
  94                                 } else {
  95                                         dba::update('contact', array('last-update' => $updated, 'failure_update' => $updated), array('id' => $contact['id']));
  96                                 }
  97                         }
  98                         return;
  99                 }
 100
 101                 $xml = false;
 102
 103                 $t = $contact['last-update'];
 104
 105                 if ($contact['subhub']) {
 106                         $poll_interval = Config::get('system', 'pushpoll_frequency');
 107                         $contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3);
 108                         $hub_update = false;
 109
 110                         if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 day")) {
 111                                 $hub_update = true;
 112                         }
 113                 } else {
 114                         $hub_update = false;
 115                 }
 116
 117                 $last_update = (($contact['last-update'] <= NULL_DATE)
 118                         ? datetime_convert('UTC', 'UTC', 'now - 7 days', ATOM_TIME)
 119                         : datetime_convert('UTC', 'UTC', $contact['last-update'], ATOM_TIME)
 120                 );
 121
 122                 // Update the contact entry
 123                 if (($contact['network'] === NETWORK_OSTATUS) || ($contact['network'] === NETWORK_DIASPORA) || ($contact['network'] === NETWORK_DFRN)) {
 124                         if (!PortableContact::reachable($contact['url'])) {
 125                                 logger("Skipping probably dead contact ".$contact['url']);
 126                                 return;
 127                         }
 128
 129                         if (!update_contact($contact["id"])) {
 130                                 mark_for_death($contact);
 131                                 logger('Contact is marked dead');
 132                                 return;
 133                         } else {
 134                                 unmark_for_death($contact);
 135                         }
 136                 }
 137
 138                 if ($importer_uid == 0) {
 139                         logger('Ignore public contacts');
 140                         return;
 141                 }
 142
 143                 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 144                         intval($importer_uid)
 145                 );
 146
 147                 if (!DBM::is_result($r)) {
 148                         logger('No self contact for user '.$importer_uid);
 149                         return;
 150                 }
 151
 152                 $importer = $r[0];
 153
 154                 logger("onepoll: poll: ({$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                                 return;
 184                         }
 185
 186                         $handshake_xml = $ret['body'];
 187
 188                         $html_code = $a->get_curl_code();
 189
 190                         logger('onepoll: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
 191
 192
 193                         if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 194                                 logger("poller: $url appears to be dead - marking for death ");
 195
 196                                 // dead connection - might be a transient event, or this might
 197                                 // mean the software was uninstalled or the domain expired.
 198                                 // Will keep trying for one month.
 199
 200                                 mark_for_death($contact);
 201
 202                                 // set the last-update so we don't keep polling
 203                                 $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 204                                 dba::update('contact', $fields, array('id' => $contact['id']));
 205
 206                                 return;
 207                         }
 208
 209                         if (!strstr($handshake_xml, '<')) {
 210                                 logger('poller: response from ' . $url . ' did not contain XML.');
 211
 212                                 mark_for_death($contact);
 213
 214                                 $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 215                                 dba::update('contact', $fields, array('id' => $contact['id']));
 216
 217                                 return;
 218                         }
 219
 220
 221                         $res = parse_xml_string($handshake_xml);
 222
 223                         if (intval($res->status) == 1) {
 224                                 logger("poller: $url replied status 1 - marking for death ");
 225
 226                                 // we may not be friends anymore. Will keep trying for one month.
 227                                 // set the last-update so we don't keep polling
 228                                 $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 229                                 dba::update('contact', $fields, array('id' => $contact['id']));
 230
 231                                 mark_for_death($contact);
 232                         } elseif ($contact['term-date'] > NULL_DATE) {
 233                                 logger("poller: $url back from the dead - removing mark for death");
 234                                 unmark_for_death($contact);
 235                         }
 236
 237                         if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 238                                 return;
 239                         }
 240
 241                         if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 242                                 $fields = array('poco' => str_replace('/profile/', '/poco/', $contact['url']));
 243                                 dba::update('contact', $fields, array('id' => $contact['id']));
 244                         }
 245
 246                         $postvars = array();
 247
 248                         $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 249                         $challenge    = hex2bin((string) $res->challenge);
 250
 251                         $final_dfrn_id = '';
 252
 253                         if ($contact['duplex'] && strlen($contact['prvkey'])) {
 254                                 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 255                                 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 256                         } else {
 257                                 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 258                                 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 259                         }
 260
 261                         $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 262
 263                         if (strpos($final_dfrn_id, ':') == 1) {
 264                                 $final_dfrn_id = substr($final_dfrn_id, 2);
 265                         }
 266
 267                         if ($final_dfrn_id != $orig_id) {
 268                                 logger('poller: ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 269                                 // did not decode properly - cannot trust this site
 270                                 return;
 271                         }
 272
 273                         $postvars['dfrn_id'] = $idtosend;
 274                         $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 275                         $postvars['perm'] = 'rw';
 276
 277                         $xml = post_url($contact['poll'], $postvars);
 278
 279                 } elseif (($contact['network'] === NETWORK_OSTATUS)
 280                         || ($contact['network'] === NETWORK_DIASPORA)
 281                         || ($contact['network'] === NETWORK_FEED)) {
 282
 283                         // Upgrading DB fields from an older Friendica version
 284                         // Will only do this once per notify-enabled OStatus contact
 285                         // or if relationship changes
 286
 287                         $stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
 288
 289                         // Contacts from OStatus are always writable
 290                         if ($contact['network'] === NETWORK_OSTATUS) {
 291                                 $stat_writeable = 1;
 292                         }
 293
 294                         if ($stat_writeable != $contact['writable']) {
 295                                 $fields = array('writable' => $stat_writeable);
 296                                 dba::update('contact', $fields, array('id' => $contact['id']));
 297                         }
 298
 299                         // Are we allowed to import from this person?
 300
 301                         if ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked'] || $contact['readonly']) {
 302                                 return;
 303                         }
 304
 305                         $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 306                         $ret = z_fetch_url($contact['poll'], false, $redirects, array('cookiejar' => $cookiejar));
 307
 308                         if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 309                                 return;
 310                         }
 311
 312                         $xml = $ret['body'];
 313
 314                         unlink($cookiejar);
 315                 } elseif ($contact['network'] === NETWORK_MAIL || $contact['network'] === NETWORK_MAIL2) {
 316
 317                         logger("Mail: Fetching for ".$contact['addr'], LOGGER_DEBUG);
 318
 319                         $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
 320                         if ($mail_disabled) {
 321                                 return;
 322                         }
 323
 324                         logger("Mail: Enabled", LOGGER_DEBUG);
 325
 326                         $mbox = null;
 327                         $x = dba::select('user', array('prvkey'), array('uid' => $importer_uid), array('limit' => 1));
 328
 329                         $condition = array("`server` != '' AND `uid` = ?", $importer_uid);
 330                         $mailconf = dba::select('mailacct', array(), $condition, array('limit' => 1));
 331                         if (DBM::is_result($x) && DBM::is_result($mailconf)) {
 332                                 $mailbox = construct_mailbox_name($mailconf);
 333                                 $password = '';
 334                                 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $x['prvkey']);
 335                                 $mbox = email_connect($mailbox, $mailconf['user'], $password);
 336                                 unset($password);
 337                                 logger("Mail: Connect to " . $mailconf['user']);
 338                                 if ($mbox) {
 339                                         $fields = array('last_check' => datetime_convert());
 340                                         dba::update('mailacct', $fields, array('id' => $mailconf['id']));
 341                                         logger("Mail: Connected to " . $mailconf['user']);
 342                                 } else {
 343                                         logger("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 344                                 }
 345                         }
 346
 347                         if ($mbox) {
 348                                 $msgs = email_poll($mbox, $contact['addr']);
 349
 350                                 if (count($msgs)) {
 351                                         logger("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], LOGGER_DEBUG);
 352
 353                                         $metas = email_msg_meta($mbox,implode(',', $msgs));
 354                                         if (count($metas) != count($msgs)) {
 355                                                 logger("onepoll: for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", LOGGER_DEBUG);
 356                                         } else {
 357                                                 $msgs = array_combine($msgs, $metas);
 358
 359                                                 foreach ($msgs as $msg_uid => $meta) {
 360                                                         logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
 361
 362                                                         $datarray = array();
 363                                                         $datarray['verb'] = ACTIVITY_POST;
 364                                                         $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 365                 //                                      $meta = email_msg_meta($mbox, $msg_uid);
 366                 //                                      $headers = email_msg_headers($mbox, $msg_uid);
 367
 368                                                         $datarray['uri'] = msgid2iri(trim($meta->message_id, '<>'));
 369
 370                                                         // Have we seen it before?
 371                                                         $fields = array('deleted', 'id');
 372                                                         $condition = array('uid' => $importer_uid, 'uri' => $datarray['uri']);
 373                                                         $r = dba::select('item', $fields, $condition, array('limit' => 1));
 374
 375                                                         if (DBM::is_result($r)) {
 376                                                                 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],LOGGER_DEBUG);
 377
 378                                                                 // Only delete when mails aren't automatically moved or deleted
 379                                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 380                                                                         if ($meta->deleted && ! $r['deleted']) {
 381                                                                                 $fields = array('deleted' => true, 'changed' => datetime_convert());
 382                                                                                 dba::update('item', $fields, array('id' => $r['id']));
 383                                                                         }
 384
 385                                                                 switch ($mailconf['action']) {
 386                                                                         case 0:
 387                                                                                 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
 388                                                                                 break;
 389                                                                         case 1:
 390                                                                                 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 391                                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 392                                                                                 break;
 393                                                                         case 2:
 394                                                                                 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 395                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 396                                                                                 break;
 397                                                                         case 3:
 398                                                                                 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 399                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 400                                                                                 if ($mailconf['movetofolder'] != "") {
 401                                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 402                                                                                 }
 403                                                                                 break;
 404                                                                 }
 405                                                                 continue;
 406                                                         }
 407
 408
 409                                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 410                                                         $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
 411                                                         if (!trim($raw_refs)) {
 412                                                                 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
 413                                                         }
 414                                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 415
 416                                                         if ($raw_refs) {
 417                                                                 $refs_arr = explode(' ', $raw_refs);
 418                                                                 if (count($refs_arr)) {
 419                                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 420                                                                                 $refs_arr[$x] = "'" . msgid2iri(str_replace(array('<', '>', ' '),array('', '', ''),dbesc($refs_arr[$x]))) . "'";
 421                                                                         }
 422                                                                 }
 423                                                                 $qstr = implode(',', $refs_arr);
 424                                                                 $r = q("SELECT `parent-uri` FROM `item` USE INDEX (`uid_uri`) WHERE `uri` IN ($qstr) AND `uid` = %d LIMIT 1",
 425                                                                         intval($importer_uid)
 426                                                                 );
 427                                                                 if (DBM::is_result($r)) {
 428                                                                         $datarray['parent-uri'] = $r[0]['parent-uri'];  // Set the parent as the top-level item
 429                                                                 }
 430                                                         }
 431
 432                                                         // Decoding the header
 433                                                         $subject = imap_mime_header_decode($meta->subject);
 434                                                         $datarray['title'] = "";
 435                                                         foreach ($subject as $subpart) {
 436                                                                 if ($subpart->charset != "default") {
 437                                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 438                                                                 } else {
 439                                                                         $datarray['title'] .= $subpart->text;
 440                                                                 }
 441                                                         }
 442                                                         $datarray['title'] = notags(trim($datarray['title']));
 443
 444                                                         //$datarray['title'] = notags(trim($meta->subject));
 445                                                         $datarray['created'] = datetime_convert('UTC', 'UTC', $meta->date);
 446
 447                                                         // Is it a reply?
 448                                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 449                                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 450                                                                 ($raw_refs != ""));
 451
 452                                                         // Remove Reply-signs in the subject
 453                                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 454
 455                                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 456                                                         if (empty($datarray['parent-uri']) && $reply) {
 457                                                                 $r = q("SELECT `parent-uri` FROM `item` WHERE `title` = \"%s\" AND `uid` = %d AND `network` = '%s' ORDER BY `created` DESC LIMIT 1",
 458                                                                         dbesc(protect_sprintf($datarray['title'])),
 459                                                                         intval($importer_uid),
 460                                                                         dbesc(NETWORK_MAIL));
 461                                                                 if (DBM::is_result($r)) {
 462                                                                         $datarray['parent-uri'] = $r[0]['parent-uri'];
 463                                                                 }
 464                                                         }
 465
 466                                                         if (empty($datarray['parent-uri'])) {
 467                                                                 $datarray['parent-uri'] = $datarray['uri'];
 468                                                         }
 469
 470                                                         $r = email_get_msg($mbox, $msg_uid, $reply);
 471                                                         if (!$r) {
 472                                                                 logger("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 473                                                                 continue;
 474                                                         }
 475                                                         $datarray['body'] = escape_tags($r['body']);
 476                                                         $datarray['body'] = limit_body_size($datarray['body']);
 477
 478                                                         logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 479
 480                                                         /// @TODO Adding a gravatar for the original author would be cool
 481
 482                                                         $from = imap_mime_header_decode($meta->from);
 483                                                         $fromdecoded = "";
 484                                                         foreach ($from as $frompart) {
 485                                                                 if ($frompart->charset != "default") {
 486                                                                         $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 487                                                                 } else {
 488                                                                         $fromdecoded .= $frompart->text;
 489                                                                 }
 490                                                         }
 491
 492                                                         $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->get_hostname());
 493
 494                                                         $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
 495
 496                                                         if (isset($fromarr[0]->personal)) {
 497                                                                 $fromname = $fromarr[0]->personal;
 498                                                         } else {
 499                                                                 $fromname = $frommail;
 500                                                         }
 501
 502                                                         $datarray['author-name'] = $fromname;
 503                                                         $datarray['author-link'] = "mailto:".$frommail;
 504                                                         $datarray['author-avatar'] = $contact['photo'];
 505
 506                                                         $datarray['owner-name'] = $contact['name'];
 507                                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 508                                                         $datarray['owner-avatar'] = $contact['photo'];
 509
 510                                                         $datarray['uid'] = $importer_uid;
 511                                                         $datarray['contact-id'] = $contact['id'];
 512                                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 513                                                                 $datarray['private'] = 1;
 514                                                         }
 515                                                         if (($contact['network'] === NETWORK_MAIL) && (!PConfig::get($importer_uid, 'system', 'allow_public_email_replies'))) {
 516                                                                 $datarray['private'] = 1;
 517                                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 518                                                         }
 519
 520                                                         $stored_item = item_store($datarray);
 521
 522                                                         $condition = array('parent-uri' => $datarray['parent-uri'], 'uid' => $importer_uid);
 523                                                         dba::update('item', array('last-child' => false), $condition);
 524
 525                                                         dba::update('item', array('last-child' => true), array('id' => $stored_item));
 526
 527                                                         switch ($mailconf['action']) {
 528                                                                 case 0:
 529                                                                         logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
 530                                                                         break;
 531                                                                 case 1:
 532                                                                         logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 533                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 534                                                                         break;
 535                                                                 case 2:
 536                                                                         logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 537                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 538                                                                         break;
 539                                                                 case 3:
 540                                                                         logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 541                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 542                                                                         if ($mailconf['movetofolder'] != "") {
 543                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 544                                                                         }
 545                                                                         break;
 546                                                         }
 547                                                 }
 548                                         }
 549                                 } else {
 550                                         logger("Mail: no mails for ".$mailconf['user']);
 551                                 }
 552
 553                                 logger("Mail: closing connection for ".$mailconf['user']);
 554                                 imap_close($mbox);
 555                         }
 556                 }
 557
 558                 if ($xml) {
 559                         logger('poller: received xml : ' . $xml, LOGGER_DATA);
 560                         if (!strstr($xml, '<')) {
 561                                 logger('poller: post_handshake: response from ' . $url . ' did not contain XML.');
 562
 563                                 $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 564                                 dba::update('contact', $fields, array('id' => $contact['id']));
 565
 566                                 return;
 567                         }
 568
 569
 570                         logger("Consume feed of contact ".$contact['id']);
 571
 572                         consume_feed($xml, $importer, $contact, $hub, 1, 1);
 573
 574                         // do it twice. Ensures that children of parents which may be later in the stream aren't tossed
 575
 576                         consume_feed($xml, $importer, $contact, $hub, 1, 2);
 577
 578                         $hubmode = 'subscribe';
 579                         if ($contact['network'] === NETWORK_DFRN || $contact['blocked'] || $contact['readonly']) {
 580                                 $hubmode = 'unsubscribe';
 581                         }
 582
 583                         if (($contact['network'] === NETWORK_OSTATUS ||  $contact['network'] == NETWORK_FEED) && (! $contact['hub-verify'])) {
 584                                 $hub_update = true;
 585                         }
 586
 587                         if ($force) {
 588                                 $hub_update = true;
 589                         }
 590
 591                         logger("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
 592
 593                         if (strlen($hub) && $hub_update && (($contact['rel'] != CONTACT_IS_FOLLOWER) || $contact['network'] == NETWORK_FEED)) {
 594                                 logger('poller: hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 595                                 $hubs = explode(',', $hub);
 596                                 if (count($hubs)) {
 597                                         foreach ($hubs as $h) {
 598                                                 $h = trim($h);
 599                                                 if (!strlen($h)) {
 600                                                         continue;
 601                                                 }
 602                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 603                                         }
 604                                 }
 605                         }
 606
 607                         $updated = datetime_convert();
 608
 609                         dba::update('contact', array('last-update' => $updated, 'success_update' => $updated), array('id' => $contact['id']));
 610                         dba::update('gcontact', array('last_contact' => $updated), array('nurl' => $contact['nurl']));
 611                 } elseif (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_FEED))) {
 612                         $updated = datetime_convert();
 613
 614                         dba::update('contact', array('last-update' => $updated, 'failure_update' => $updated), array('id' => $contact['id']));
 615                         dba::update('gcontact', array('last_failure' => $updated), array('nurl' => $contact['nurl']));
 616                 } else {
 617                         dba::update('contact', array('last-update' => $updated), array('id' => $contact['id']));
 618                 }
 619
 620                 return;
 621         }
 622
 623         private static function RemoveReply($subject) {
 624                 while (in_array(strtolower(substr($subject, 0, 3)), array("re:", "aw:"))) {
 625                         $subject = trim(substr($subject, 4));
 626                 }
 627
 628                 return $subject;
 629         }
 630 }