include/onepoll.php

   1 <?php
   2
   3 use Friendica\Core\Config;
   4 use Friendica\Core\PConfig;
   5
   6 require_once 'include/follow.php';
   7
   8 function RemoveReply($subject) {
   9         while (in_array(strtolower(substr($subject, 0, 3)), array("re:", "aw:"))) {
  10                 $subject = trim(substr($subject, 4));
  11         }
  12
  13         return $subject;
  14 }
  15
  16 function onepoll_run(&$argv, &$argc) {
  17         global $a;
  18
  19         require_once 'include/datetime.php';
  20         require_once 'include/items.php';
  21         require_once 'include/Contact.php';
  22         require_once 'include/email.php';
  23         require_once 'include/socgraph.php';
  24         require_once 'include/queue_fn.php';
  25
  26         logger('onepoll: start');
  27
  28         $manual_id  = 0;
  29         $generation = 0;
  30         $hub_update = false;
  31         $force      = false;
  32         $restart    = false;
  33
  34         if (($argc > 1) && (intval($argv[1]))) {
  35                 $contact_id = intval($argv[1]);
  36         }
  37
  38         if (($argc > 2) && ($argv[2] == "force")) {
  39                 $force = true;
  40         }
  41
  42         if (!$contact_id) {
  43                 logger('onepoll: no contact');
  44                 return;
  45         }
  46
  47         $d = datetime_convert();
  48
  49         // Only poll from those with suitable relationships,
  50         // and which have a polling address and ignore Diaspora since
  51         // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
  52
  53         $contacts = q("SELECT `contact`.* FROM `contact`
  54                 WHERE (`rel` = %d OR `rel` = %d) AND `poll` != ''
  55                 AND NOT `network` IN ('%s', '%s')
  56                 AND `contact`.`id` = %d
  57                 AND `self` = 0 AND `contact`.`blocked` = 0 AND `contact`.`readonly` = 0
  58                 AND `contact`.`archive` = 0 LIMIT 1",
  59                 intval(CONTACT_IS_SHARING),
  60                 intval(CONTACT_IS_FRIEND),
  61                 dbesc(NETWORK_FACEBOOK),
  62                 dbesc(NETWORK_PUMPIO),
  63                 intval($contact_id)
  64         );
  65
  66         if (!count($contacts)) {
  67                 logger('Contact not found or cannot be used.');
  68                 return;
  69         }
  70
  71         $contact = $contacts[0];
  72
  73         $importer_uid = $contact['uid'];
  74
  75         // load current friends if possible.
  76         if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
  77                 $r = q("SELECT count(*) AS total FROM glink
  78                         WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
  79                         intval($contact['id'])
  80                 );
  81                 if (dbm::is_result($r)) {
  82                         if (!$r[0]['total']) {
  83                                 poco_load($contact['id'], $importer_uid, 0, $contact['poco']);
  84                         }
  85                 }
  86         }
  87
  88         /// @TODO Check why we don't poll the Diaspora feed at the moment (some guid problem in the items?)
  89         /// @TODO Check whether this is possible with Redmatrix
  90         if ($contact["network"] == NETWORK_DIASPORA) {
  91                 if (poco_do_update($contact["created"], $contact["last-item"], $contact["failure_update"], $contact["success_update"])) {
  92                         $last_updated = poco_last_updated($contact["url"]);
  93                         $updated = datetime_convert();
  94                         if ($last_updated) {
  95                                 $fields = array('last-item' => $last_updated, 'last-update' => $updated, 'success_update' => $updated);
  96                                 dba::update('contact', $fields, array('id' => $contact['id']));
  97                         } else {
  98                                 dba::update('contact', array('last-update' => $updated, 'failure_update' => $updated), array('id' => $contact['id']));
  99                         }
 100                 }
 101                 return;
 102         }
 103
 104         $xml = false;
 105
 106         $t = $contact['last-update'];
 107
 108         if ($contact['subhub']) {
 109                 $poll_interval = Config::get('system', 'pushpoll_frequency');
 110                 $contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3);
 111                 $hub_update = false;
 112
 113                 if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 day")) {
 114                         $hub_update = true;
 115                 }
 116         } else {
 117                 $hub_update = false;
 118         }
 119
 120         $last_update = (($contact['last-update'] <= NULL_DATE)
 121                 ? datetime_convert('UTC', 'UTC', 'now - 7 days', ATOM_TIME)
 122                 : datetime_convert('UTC', 'UTC', $contact['last-update'], ATOM_TIME)
 123         );
 124
 125         // Update the contact entry
 126         if (($contact['network'] === NETWORK_OSTATUS) || ($contact['network'] === NETWORK_DIASPORA) || ($contact['network'] === NETWORK_DFRN)) {
 127                 if (!poco_reachable($contact['url'])) {
 128                         logger("Skipping probably dead contact ".$contact['url']);
 129                         return;
 130                 }
 131
 132                 if (!update_contact($contact["id"])) {
 133                         mark_for_death($contact);
 134                         logger('Contact is marked dead');
 135                         return;
 136                 } else {
 137                         unmark_for_death($contact);
 138                 }
 139         }
 140
 141         if ($importer_uid == 0) {
 142                 logger('Ignore public contacts');
 143                 return;
 144         }
 145
 146         $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 147                 intval($importer_uid)
 148         );
 149
 150         if (!dbm::is_result($r)) {
 151                 logger('No self contact for user '.$importer_uid);
 152                 return;
 153         }
 154
 155         $importer = $r[0];
 156
 157         logger("onepoll: poll: ({$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 158
 159         if ($contact['network'] === NETWORK_DFRN) {
 160                 $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 161                 if (intval($contact['duplex']) && $contact['dfrn-id']) {
 162                         $idtosend = '0:' . $orig_id;
 163                 }
 164                 if (intval($contact['duplex']) && $contact['issued-id']) {
 165                         $idtosend = '1:' . $orig_id;
 166                 }
 167
 168                 // they have permission to write to us. We already filtered this in the contact query.
 169                 $perm = 'rw';
 170
 171                 // But this may be our first communication, so set the writable flag if it isn't set already.
 172
 173                 if (!intval($contact['writable'])) {
 174                         $fields = array('writable' => true);
 175                         dba::update('contact', $fields, array('id' => $contact['id']));
 176                 }
 177
 178                 $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 179                         . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 180                         . '&type=data&last_update=' . $last_update
 181                         . '&perm=' . $perm ;
 182
 183                 $ret = z_fetch_url($url);
 184
 185                 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 186                         return;
 187                 }
 188
 189                 $handshake_xml = $ret['body'];
 190
 191                 $html_code = $a->get_curl_code();
 192
 193                 logger('onepoll: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
 194
 195
 196                 if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 197                         logger("poller: $url appears to be dead - marking for death ");
 198
 199                         // dead connection - might be a transient event, or this might
 200                         // mean the software was uninstalled or the domain expired.
 201                         // Will keep trying for one month.
 202
 203                         mark_for_death($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                         dba::update('contact', $fields, array('id' => $contact['id']));
 208
 209                         return;
 210                 }
 211
 212                 if (! strstr($handshake_xml, '<')) {
 213                         logger('poller: response from ' . $url . ' did not contain XML.');
 214
 215                         mark_for_death($contact);
 216
 217                         $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 218                         dba::update('contact', $fields, array('id' => $contact['id']));
 219
 220                         return;
 221                 }
 222
 223
 224                 $res = parse_xml_string($handshake_xml);
 225
 226                 if (intval($res->status) == 1) {
 227                         logger("poller: $url replied status 1 - marking for death ");
 228
 229                         // we may not be friends anymore. Will keep trying for one month.
 230                         // set the last-update so we don't keep polling
 231                         $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 232                         dba::update('contact', $fields, array('id' => $contact['id']));
 233
 234                         mark_for_death($contact);
 235                 } elseif ($contact['term-date'] > NULL_DATE) {
 236                         logger("poller: $url back from the dead - removing mark for death");
 237                         unmark_for_death($contact);
 238                 }
 239
 240                 if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 241                         return;
 242                 }
 243
 244                 if (((float)$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                         logger('poller: ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 272                         // did not decode properly - cannot trust this site
 273                         return;
 274                 }
 275
 276                 $postvars['dfrn_id'] = $idtosend;
 277                 $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 278                 $postvars['perm'] = 'rw';
 279
 280                 $xml = post_url($contact['poll'], $postvars);
 281
 282         } elseif (($contact['network'] === NETWORK_OSTATUS)
 283                 || ($contact['network'] === NETWORK_DIASPORA)
 284                 || ($contact['network'] === NETWORK_FEED)) {
 285
 286                 // Upgrading DB fields from an older Friendica version
 287                 // Will only do this once per notify-enabled OStatus contact
 288                 // or if relationship changes
 289
 290                 $stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
 291
 292                 // Contacts from OStatus are always writable
 293                 if ($contact['network'] === NETWORK_OSTATUS) {
 294                         $stat_writeable = 1;
 295                 }
 296
 297                 if ($stat_writeable != $contact['writable']) {
 298                         $fields = array('writable' => $stat_writeable);
 299                         dba::update('contact', $fields, array('id' => $contact['id']));
 300                 }
 301
 302                 // Are we allowed to import from this person?
 303
 304                 if ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked'] || $contact['readonly']) {
 305                         return;
 306                 }
 307
 308                 $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 309                 $ret = z_fetch_url($contact['poll'], false, $redirects, array('cookiejar' => $cookiejar));
 310
 311                 if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 312                         return;
 313                 }
 314
 315                 $xml = $ret['body'];
 316
 317                 unlink($cookiejar);
 318         } elseif ($contact['network'] === NETWORK_MAIL || $contact['network'] === NETWORK_MAIL2) {
 319
 320                 logger("Mail: Fetching for ".$contact['addr'], LOGGER_DEBUG);
 321
 322                 $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
 323                 if ($mail_disabled) {
 324                         return;
 325                 }
 326
 327                 logger("Mail: Enabled", LOGGER_DEBUG);
 328
 329                 $mbox = null;
 330                 $x = dba::select('user', array('prvkey'), array('uid' => $importer_uid), array('limit' => 1));
 331
 332                 $condition = array("`server` != '' AND `uid` = ?", $importer_uid);
 333                 $mailconf = dba::select('mailacct', array(), $condition, array('limit' => 1));
 334                 if (dbm::is_result($x) && dbm::is_result($mailconf)) {
 335                         $mailbox = construct_mailbox_name($mailconf);
 336                         $password = '';
 337                         openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $x['prvkey']);
 338                         $mbox = email_connect($mailbox, $mailconf['user'], $password);
 339                         unset($password);
 340                         logger("Mail: Connect to " . $mailconf['user']);
 341                         if ($mbox) {
 342                                 $fields = array('last_check' => datetime_convert());
 343                                 dba::update('mailacct', $fields, array('id' => $mailconf['id']));
 344                                 logger("Mail: Connected to " . $mailconf['user']);
 345                         } else {
 346                                 logger("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 347                         }
 348                 }
 349
 350                 if ($mbox) {
 351                         $msgs = email_poll($mbox, $contact['addr']);
 352
 353                         if (count($msgs)) {
 354                                 logger("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], LOGGER_DEBUG);
 355
 356                                 $metas = email_msg_meta($mbox,implode(',', $msgs));
 357                                 if (count($metas) != count($msgs)) {
 358                                         logger("onepoll: for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", LOGGER_DEBUG);
 359                                 } else {
 360                                         $msgs = array_combine($msgs, $metas);
 361
 362                                         foreach ($msgs as $msg_uid => $meta) {
 363                                                 logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
 364
 365                                                 $datarray = array();
 366                                                 $datarray['verb'] = ACTIVITY_POST;
 367                                                 $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 368         //                                      $meta = email_msg_meta($mbox, $msg_uid);
 369         //                                      $headers = email_msg_headers($mbox, $msg_uid);
 370
 371                                                 $datarray['uri'] = msgid2iri(trim($meta->message_id, '<>'));
 372
 373                                                 // Have we seen it before?
 374                                                 $fields = array('deleted', 'id');
 375                                                 $condition = array('uid' => $importer_uid, 'uri' => $datarray['uri']);
 376                                                 $r = dba::select('item', $fields, $condition, array('limit' => 1));
 377
 378                                                 if (dbm::is_result($r)) {
 379                                                         logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],LOGGER_DEBUG);
 380
 381                                                         // Only delete when mails aren't automatically moved or deleted
 382                                                         if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 383                                                                 if ($meta->deleted && ! $r['deleted']) {
 384                                                                         $fields = array('deleted' => true, 'changed' => datetime_convert());
 385                                                                         dba::update('item', $fields, array('id' => $r['id']));
 386                                                                 }
 387
 388                                                         switch ($mailconf['action']) {
 389                                                                 case 0:
 390                                                                         logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
 391                                                                         break;
 392                                                                 case 1:
 393                                                                         logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 394                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 395                                                                         break;
 396                                                                 case 2:
 397                                                                         logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 398                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 399                                                                         break;
 400                                                                 case 3:
 401                                                                         logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 402                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 403                                                                         if ($mailconf['movetofolder'] != "") {
 404                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 405                                                                         }
 406                                                                         break;
 407                                                         }
 408                                                         continue;
 409                                                 }
 410
 411
 412                                                 // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 413                                                 $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
 414                                                 if (! trim($raw_refs)) {
 415                                                         $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
 416                                                 }
 417                                                 $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 418
 419                                                 if ($raw_refs) {
 420                                                         $refs_arr = explode(' ', $raw_refs);
 421                                                         if (count($refs_arr)) {
 422                                                                 for ($x = 0; $x < count($refs_arr); $x ++) {
 423                                                                         $refs_arr[$x] = "'" . msgid2iri(str_replace(array('<', '>', ' '),array('', '', ''),dbesc($refs_arr[$x]))) . "'";
 424                                                                 }
 425                                                         }
 426                                                         $qstr = implode(',', $refs_arr);
 427                                                         $r = q("SELECT `parent-uri` FROM `item` USE INDEX (`uid_uri`) WHERE `uri` IN ($qstr) AND `uid` = %d LIMIT 1",
 428                                                                 intval($importer_uid)
 429                                                         );
 430                                                         if (dbm::is_result($r)) {
 431                                                                 $datarray['parent-uri'] = $r[0]['parent-uri'];  // Set the parent as the top-level item
 432                                                         }
 433                                                 }
 434
 435                                                 // Decoding the header
 436                                                 $subject = imap_mime_header_decode($meta->subject);
 437                                                 $datarray['title'] = "";
 438                                                 foreach ($subject as $subpart) {
 439                                                         if ($subpart->charset != "default") {
 440                                                                 $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 441                                                         } else {
 442                                                                 $datarray['title'] .= $subpart->text;
 443                                                         }
 444                                                 }
 445                                                 $datarray['title'] = notags(trim($datarray['title']));
 446
 447                                                 //$datarray['title'] = notags(trim($meta->subject));
 448                                                 $datarray['created'] = datetime_convert('UTC', 'UTC', $meta->date);
 449
 450                                                 // Is it a reply?
 451                                                 $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 452                                                         (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 453                                                         ($raw_refs != ""));
 454
 455                                                 // Remove Reply-signs in the subject
 456                                                 $datarray['title'] = RemoveReply($datarray['title']);
 457
 458                                                 // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 459                                                 if (empty($datarray['parent-uri']) && $reply) {
 460                                                         $r = q("SELECT `parent-uri` FROM `item` WHERE `title` = \"%s\" AND `uid` = %d AND `network` = '%s' ORDER BY `created` DESC LIMIT 1",
 461                                                                 dbesc(protect_sprintf($datarray['title'])),
 462                                                                 intval($importer_uid),
 463                                                                 dbesc(NETWORK_MAIL));
 464                                                         if (dbm::is_result($r)) {
 465                                                                 $datarray['parent-uri'] = $r[0]['parent-uri'];
 466                                                         }
 467                                                 }
 468
 469                                                 if (empty($datarray['parent-uri'])) {
 470                                                         $datarray['parent-uri'] = $datarray['uri'];
 471                                                 }
 472
 473                                                 $r = email_get_msg($mbox, $msg_uid, $reply);
 474                                                 if (!$r) {
 475                                                         logger("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 476                                                         continue;
 477                                                 }
 478                                                 $datarray['body'] = escape_tags($r['body']);
 479                                                 $datarray['body'] = limit_body_size($datarray['body']);
 480
 481                                                 logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 482
 483                                                 /// @TODO Adding a gravatar for the original author would be cool
 484
 485                                                 $from = imap_mime_header_decode($meta->from);
 486                                                 $fromdecoded = "";
 487                                                 foreach ($from as $frompart) {
 488                                                         if ($frompart->charset != "default") {
 489                                                                 $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 490                                                         } else {
 491                                                                 $fromdecoded .= $frompart->text;
 492                                                         }
 493                                                 }
 494
 495                                                 $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->get_hostname());
 496
 497                                                 $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
 498
 499                                                 if (isset($fromarr[0]->personal)) {
 500                                                         $fromname = $fromarr[0]->personal;
 501                                                 } else {
 502                                                         $fromname = $frommail;
 503                                                 }
 504
 505                                                 $datarray['author-name'] = $fromname;
 506                                                 $datarray['author-link'] = "mailto:".$frommail;
 507                                                 $datarray['author-avatar'] = $contact['photo'];
 508
 509                                                 $datarray['owner-name'] = $contact['name'];
 510                                                 $datarray['owner-link'] = "mailto:".$contact['addr'];
 511                                                 $datarray['owner-avatar'] = $contact['photo'];
 512
 513                                                 $datarray['uid'] = $importer_uid;
 514                                                 $datarray['contact-id'] = $contact['id'];
 515                                                 if ($datarray['parent-uri'] === $datarray['uri']) {
 516                                                         $datarray['private'] = 1;
 517                                                 }
 518                                                 if (($contact['network'] === NETWORK_MAIL) && (!PConfig::get($importer_uid, 'system', 'allow_public_email_replies'))) {
 519                                                         $datarray['private'] = 1;
 520                                                         $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 521                                                 }
 522
 523                                                 $stored_item = item_store($datarray);
 524
 525                                                 $condition = array('parent-uri' => $datarray['parent-uri'], 'uid' => $importer_uid);
 526                                                 dba::update('item', array('last-child' => false), $condition);
 527
 528                                                 dba::update('item', array('last-child' => true), array('id' => $stored_item));
 529
 530                                                 switch ($mailconf['action']) {
 531                                                         case 0:
 532                                                                 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
 533                                                                 break;
 534                                                         case 1:
 535                                                                 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 536                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 537                                                                 break;
 538                                                         case 2:
 539                                                                 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 540                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 541                                                                 break;
 542                                                         case 3:
 543                                                                 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 544                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 545                                                                 if ($mailconf['movetofolder'] != "") {
 546                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 547                                                                 }
 548                                                                 break;
 549                                                 }
 550                                         }
 551                                 }
 552                         } else {
 553                                 logger("Mail: no mails for ".$mailconf['user']);
 554                         }
 555
 556                         logger("Mail: closing connection for ".$mailconf['user']);
 557                         imap_close($mbox);
 558                 }
 559         }
 560
 561         if ($xml) {
 562                 logger('poller: received xml : ' . $xml, LOGGER_DATA);
 563                 if (!strstr($xml, '<')) {
 564                         logger('poller: post_handshake: response from ' . $url . ' did not contain XML.');
 565
 566                         $fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
 567                         dba::update('contact', $fields, array('id' => $contact['id']));
 568
 569                         return;
 570                 }
 571
 572
 573                 logger("Consume feed of contact ".$contact['id']);
 574
 575                 consume_feed($xml, $importer, $contact, $hub, 1, 1);
 576
 577                 // do it twice. Ensures that children of parents which may be later in the stream aren't tossed
 578
 579                 consume_feed($xml, $importer, $contact, $hub, 1, 2);
 580
 581                 $hubmode = 'subscribe';
 582                 if ($contact['network'] === NETWORK_DFRN || $contact['blocked'] || $contact['readonly']) {
 583                         $hubmode = 'unsubscribe';
 584                 }
 585
 586                 if (($contact['network'] === NETWORK_OSTATUS ||  $contact['network'] == NETWORK_FEED) && (! $contact['hub-verify'])) {
 587                         $hub_update = true;
 588                 }
 589
 590                 if ($force) {
 591                         $hub_update = true;
 592                 }
 593
 594                 logger("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
 595
 596                 if (strlen($hub) && $hub_update && (($contact['rel'] != CONTACT_IS_FOLLOWER) || $contact['network'] == NETWORK_FEED)) {
 597                         logger('poller: hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 598                         $hubs = explode(',', $hub);
 599                         if (count($hubs)) {
 600                                 foreach ($hubs as $h) {
 601                                         $h = trim($h);
 602                                         if (!strlen($h)) {
 603                                                 continue;
 604                                         }
 605                                         subscribe_to_hub($h, $importer, $contact, $hubmode);
 606                                 }
 607                         }
 608                 }
 609
 610                 $updated = datetime_convert();
 611
 612                 dba::update('contact', array('last-update' => $updated, 'success_update' => $updated), array('id' => $contact['id']));
 613                 dba::update('gcontact', array('last_contact' => $updated), array('nurl' => $contact['nurl']));
 614         } elseif (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_FEED))) {
 615                 $updated = datetime_convert();
 616
 617                 dba::update('contact', array('last-update' => $updated, 'failure_update' => $updated), array('id' => $contact['id']));
 618                 dba::update('gcontact', array('last_failure' => $updated), array('nurl' => $contact['nurl']));
 619         } else {
 620                 dba::update('contact', array('last-update' => $updated), array('id' => $contact['id']));
 621         }
 622
 623         return;
 624 }