src/Worker/OnePoll.php

   1 <?php
   2 /**
   3  * @file src/Worker/OnePoll.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\Content\Text\BBCode;
   8 use Friendica\Core\Config;
   9 use Friendica\Core\PConfig;
  10 use Friendica\Database\DBM;
  11 use Friendica\Model\Contact;
  12 use Friendica\Model\Item;
  13 use Friendica\Protocol\Email;
  14 use Friendica\Protocol\PortableContact;
  15 use Friendica\Util\DateTimeFormat;
  16 use Friendica\Util\Network;
  17 use Friendica\Util\XML;
  18 use dba;
  19
  20 require_once 'include/dba.php';
  21
  22 class OnePoll
  23 {
  24         public static function execute($contact_id = 0, $command = '')
  25         {
  26                 $a = \Friendica\BaseObject::getApp();
  27
  28                 require_once 'include/items.php';
  29
  30                 logger('start');
  31
  32                 $manual_id  = 0;
  33                 $generation = 0;
  34                 $hub_update = false;
  35                 $force      = false;
  36                 $restart    = false;
  37
  38                 if ($command == "force") {
  39                         $force = true;
  40                 }
  41
  42                 if (!$contact_id) {
  43                         logger('no contact');
  44                         return;
  45                 }
  46
  47                 $d = DateTimeFormat::utcNow();
  48
  49                 $contact = dba::selectFirst('contact', [], ['id' => $contact_id]);
  50                 if (!DBM::is_result($contact)) {
  51                         logger('Contact not found or cannot be used.');
  52                         return;
  53                 }
  54
  55                 $importer_uid = $contact['uid'];
  56
  57                 // load current friends if possible.
  58                 if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
  59                         $r = q("SELECT count(*) AS total FROM glink
  60                                 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
  61                                 intval($contact['id'])
  62                         );
  63                         if (DBM::is_result($r)) {
  64                                 if (!$r[0]['total']) {
  65                                         PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
  66                                 }
  67                         }
  68                 }
  69
  70                 // Diaspora users, archived users and followers are only checked if they still exist.
  71                 if ($contact['archive'] || ($contact["network"] == NETWORK_DIASPORA) || ($contact["rel"] == CONTACT_IS_FOLLOWER)) {
  72                         $last_updated = PortableContact::lastUpdated($contact["url"], true);
  73                         $updated = DateTimeFormat::utcNow();
  74                         if ($last_updated) {
  75                                 logger('Contact '.$contact['id'].' had last update on '.$last_updated, LOGGER_DEBUG);
  76
  77                                 // The last public item can be older than the last item we got
  78                                 if ($last_updated < $contact['last-item']) {
  79                                         $last_updated = $contact['last-item'];
  80                                 }
  81
  82                                 $fields = ['last-item' => DateTimeFormat::utc($last_updated), 'last-update' => $updated, 'success_update' => $updated];
  83                                 self::updateContact($contact, $fields);
  84                                 Contact::unmarkForArchival($contact);
  85                         } else {
  86                                 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
  87                                 Contact::markForArchival($contact);
  88                                 logger('Contact '.$contact['id'].' is marked for archival', LOGGER_DEBUG);
  89                         }
  90                         return;
  91                 }
  92
  93                 $xml = false;
  94
  95                 $t = $contact['last-update'];
  96
  97                 if ($contact['subhub']) {
  98                         $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
  99                         $contact['priority'] = intval($poll_interval);
 100                         $hub_update = false;
 101
 102                         if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 day")) {
 103                                 $hub_update = true;
 104                         }
 105                 } else {
 106                         $hub_update = false;
 107                 }
 108
 109                 $last_update = (($contact['last-update'] <= NULL_DATE)
 110                         ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
 111                         : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
 112                 );
 113
 114                 // Update the contact entry
 115                 if (($contact['network'] === NETWORK_OSTATUS) || ($contact['network'] === NETWORK_DIASPORA) || ($contact['network'] === NETWORK_DFRN)) {
 116                         if (!PortableContact::reachable($contact['url'])) {
 117                                 logger("Skipping probably dead contact ".$contact['url']);
 118
 119                                 // set the last-update so we don't keep polling
 120                                 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 121                                 return;
 122                         }
 123
 124                         if (!Contact::updateFromProbe($contact["id"])) {
 125                                 Contact::markForArchival($contact);
 126                                 logger('Contact is marked dead');
 127
 128                                 // set the last-update so we don't keep polling
 129                                 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 130                                 return;
 131                         } else {
 132                                 Contact::unmarkForArchival($contact);
 133                         }
 134                 }
 135
 136                 if ($importer_uid == 0) {
 137                         logger('Ignore public contacts');
 138
 139                         // set the last-update so we don't keep polling
 140                         dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 141                         return;
 142                 }
 143
 144                 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 145                         intval($importer_uid)
 146                 );
 147
 148                 if (!DBM::is_result($r)) {
 149                         logger('No self contact for user '.$importer_uid);
 150
 151                         // set the last-update so we don't keep polling
 152                         dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 153                         return;
 154                 }
 155
 156                 $importer = $r[0];
 157                 $url = '';
 158
 159                 logger("poll: ({$contact['network']}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 160
 161                 if ($contact['network'] === NETWORK_DFRN) {
 162                         $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 163                         if (intval($contact['duplex']) && $contact['dfrn-id']) {
 164                                 $idtosend = '0:' . $orig_id;
 165                         }
 166                         if (intval($contact['duplex']) && $contact['issued-id']) {
 167                                 $idtosend = '1:' . $orig_id;
 168                         }
 169
 170                         // they have permission to write to us. We already filtered this in the contact query.
 171                         $perm = 'rw';
 172
 173                         // But this may be our first communication, so set the writable flag if it isn't set already.
 174
 175                         if (!intval($contact['writable'])) {
 176                                 $fields = ['writable' => true];
 177                                 dba::update('contact', $fields, ['id' => $contact['id']]);
 178                         }
 179
 180                         $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 181                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 182                                 . '&type=data&last_update=' . $last_update
 183                                 . '&perm=' . $perm ;
 184
 185                         $ret = Network::curl($url);
 186
 187                         if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 188                                 // set the last-update so we don't keep polling
 189                                 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 190                                 Contact::markForArchival($contact);
 191                                 return;
 192                         }
 193
 194                         $handshake_xml = $ret['body'];
 195
 196                         $html_code = $a->get_curl_code();
 197
 198                         logger('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
 199
 200
 201                         if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 202                                 logger("$url appears to be dead - marking for death ");
 203
 204                                 // dead connection - might be a transient event, or this might
 205                                 // mean the software was uninstalled or the domain expired.
 206                                 // Will keep trying for one month.
 207
 208                                 Contact::markForArchival($contact);
 209
 210                                 // set the last-update so we don't keep polling
 211                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 212                                 self::updateContact($contact, $fields);
 213                                 return;
 214                         }
 215
 216                         if (!strstr($handshake_xml, '<')) {
 217                                 logger('response from ' . $url . ' did not contain XML.');
 218
 219                                 Contact::markForArchival($contact);
 220
 221                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 222                                 self::updateContact($contact, $fields);
 223                                 return;
 224                         }
 225
 226
 227                         $res = XML::parseString($handshake_xml);
 228
 229                         if (intval($res->status) == 1) {
 230                                 logger("$url replied status 1 - marking for death ");
 231
 232                                 // we may not be friends anymore. Will keep trying for one month.
 233                                 // set the last-update so we don't keep polling
 234                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 235                                 self::updateContact($contact, $fields);
 236
 237                                 Contact::markForArchival($contact);
 238                         } elseif ($contact['term-date'] > NULL_DATE) {
 239                                 logger("$url back from the dead - removing mark for death");
 240                                 Contact::unmarkForArchival($contact);
 241                         }
 242
 243                         if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 244                                 // set the last-update so we don't keep polling
 245                                 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 246                                 return;
 247                         }
 248
 249                         if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 250                                 $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
 251                                 dba::update('contact', $fields, ['id' => $contact['id']]);
 252                         }
 253
 254                         $postvars = [];
 255
 256                         $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 257                         $challenge    = hex2bin((string) $res->challenge);
 258
 259                         $final_dfrn_id = '';
 260
 261                         if ($contact['duplex'] && strlen($contact['prvkey'])) {
 262                                 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 263                                 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 264                         } else {
 265                                 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 266                                 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 267                         }
 268
 269                         $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 270
 271                         if (strpos($final_dfrn_id, ':') == 1) {
 272                                 $final_dfrn_id = substr($final_dfrn_id, 2);
 273                         }
 274
 275                         if ($final_dfrn_id != $orig_id) {
 276                                 // did not decode properly - cannot trust this site
 277                                 logger('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 278
 279                                 // set the last-update so we don't keep polling
 280                                 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 281                                 Contact::markForArchival($contact);
 282                                 return;
 283                         }
 284
 285                         $postvars['dfrn_id'] = $idtosend;
 286                         $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 287                         $postvars['perm'] = 'rw';
 288
 289                         $xml = Network::post($contact['poll'], $postvars);
 290
 291                 } elseif (($contact['network'] === NETWORK_OSTATUS)
 292                         || ($contact['network'] === NETWORK_DIASPORA)
 293                         || ($contact['network'] === NETWORK_FEED)) {
 294
 295                         // Upgrading DB fields from an older Friendica version
 296                         // Will only do this once per notify-enabled OStatus contact
 297                         // or if relationship changes
 298
 299                         $stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
 300
 301                         // Contacts from OStatus are always writable
 302                         if ($contact['network'] === NETWORK_OSTATUS) {
 303                                 $stat_writeable = 1;
 304                         }
 305
 306                         if ($stat_writeable != $contact['writable']) {
 307                                 $fields = ['writable' => $stat_writeable];
 308                                 dba::update('contact', $fields, ['id' => $contact['id']]);
 309                         }
 310
 311                         // Are we allowed to import from this person?
 312
 313                         if ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked']) {
 314                                 // set the last-update so we don't keep polling
 315                                 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 316                                 return;
 317                         }
 318
 319                         $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 320                         $ret = Network::curl($contact['poll'], false, $redirects, ['cookiejar' => $cookiejar]);
 321                         unlink($cookiejar);
 322
 323                         if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
 324                                 // set the last-update so we don't keep polling
 325                                 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 326                                 Contact::markForArchival($contact);
 327                                 return;
 328                         }
 329
 330                         $xml = $ret['body'];
 331
 332                 } elseif ($contact['network'] === NETWORK_MAIL) {
 333
 334                         logger("Mail: Fetching for ".$contact['addr'], LOGGER_DEBUG);
 335
 336                         $mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
 337                         if ($mail_disabled) {
 338                                 // set the last-update so we don't keep polling
 339                                 dba::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 340                                 Contact::markForArchival($contact);
 341                                 return;
 342                         }
 343
 344                         logger("Mail: Enabled", LOGGER_DEBUG);
 345
 346                         $mbox = null;
 347                         $user = dba::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
 348
 349                         $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
 350                         $mailconf = dba::selectFirst('mailacct', [], $condition);
 351                         if (DBM::is_result($user) && DBM::is_result($mailconf)) {
 352                                 $mailbox = Email::constructMailboxName($mailconf);
 353                                 $password = '';
 354                                 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
 355                                 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 356                                 unset($password);
 357                                 logger("Mail: Connect to " . $mailconf['user']);
 358                                 if ($mbox) {
 359                                         $fields = ['last_check' => DateTimeFormat::utcNow()];
 360                                         dba::update('mailacct', $fields, ['id' => $mailconf['id']]);
 361                                         logger("Mail: Connected to " . $mailconf['user']);
 362                                 } else {
 363                                         logger("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 364                                 }
 365                         }
 366
 367                         if ($mbox) {
 368                                 $msgs = Email::poll($mbox, $contact['addr']);
 369
 370                                 if (count($msgs)) {
 371                                         logger("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], LOGGER_DEBUG);
 372
 373                                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 374                                         if (count($metas) != count($msgs)) {
 375                                                 logger("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", LOGGER_DEBUG);
 376                                         } else {
 377                                                 $msgs = array_combine($msgs, $metas);
 378
 379                                                 foreach ($msgs as $msg_uid => $meta) {
 380                                                         logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
 381
 382                                                         $datarray = [];
 383                                                         $datarray['verb'] = ACTIVITY_POST;
 384                                                         $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 385                                                         $datarray['network'] = NETWORK_MAIL;
 386                                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 387
 388                                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 389
 390                                                         // Have we seen it before?
 391                                                         $fields = ['deleted', 'id'];
 392                                                         $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
 393                                                         $item = Item::selectFirst($fields, $condition);
 394                                                         if (DBM::is_result($item)) {
 395                                                                 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],LOGGER_DEBUG);
 396
 397                                                                 // Only delete when mails aren't automatically moved or deleted
 398                                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 399                                                                         if ($meta->deleted && ! $item['deleted']) {
 400                                                                                 $fields = ['deleted' => true, 'changed' => DateTimeFormat::utcNow()];
 401                                                                                 Item::update($fields, ['id' => $item['id']]);
 402                                                                         }
 403
 404                                                                 switch ($mailconf['action']) {
 405                                                                         case 0:
 406                                                                                 logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
 407                                                                                 break;
 408                                                                         case 1:
 409                                                                                 logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 410                                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 411                                                                                 break;
 412                                                                         case 2:
 413                                                                                 logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 414                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 415                                                                                 break;
 416                                                                         case 3:
 417                                                                                 logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 418                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 419                                                                                 if ($mailconf['movetofolder'] != "") {
 420                                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 421                                                                                 }
 422                                                                                 break;
 423                                                                 }
 424                                                                 continue;
 425                                                         }
 426
 427
 428                                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 429                                                         $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
 430                                                         if (!trim($raw_refs)) {
 431                                                                 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
 432                                                         }
 433                                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 434
 435                                                         if ($raw_refs) {
 436                                                                 $refs_arr = explode(' ', $raw_refs);
 437                                                                 if (count($refs_arr)) {
 438                                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 439                                                                                 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
 440                                                                         }
 441                                                                 }
 442                                                                 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
 443                                                                 $parent = Item::selectFirst(['parent-uri'], $condition);
 444                                                                 if (DBM::is_result($parent)) {
 445                                                                         $datarray['parent-uri'] = $parent['parent-uri'];  // Set the parent as the top-level item
 446                                                                 }
 447                                                         }
 448
 449                                                         // Decoding the header
 450                                                         $subject = imap_mime_header_decode($meta->subject);
 451                                                         $datarray['title'] = "";
 452                                                         foreach ($subject as $subpart) {
 453                                                                 if ($subpart->charset != "default") {
 454                                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 455                                                                 } else {
 456                                                                         $datarray['title'] .= $subpart->text;
 457                                                                 }
 458                                                         }
 459                                                         $datarray['title'] = notags(trim($datarray['title']));
 460
 461                                                         //$datarray['title'] = notags(trim($meta->subject));
 462                                                         $datarray['created'] = DateTimeFormat::utc($meta->date);
 463
 464                                                         // Is it a reply?
 465                                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 466                                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 467                                                                 ($raw_refs != ""));
 468
 469                                                         // Remove Reply-signs in the subject
 470                                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 471
 472                                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 473                                                         if (empty($datarray['parent-uri']) && $reply) {
 474                                                                 $condition = ['title' => $datarray['title'], 'uid' => importer_uid, 'network' => NETWORK_MAIL];
 475                                                                 $params = ['order' => ['created' => true]];
 476                                                                 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
 477                                                                 if (DBM::is_result($parent)) {
 478                                                                         $datarray['parent-uri'] = $parent['parent-uri'];
 479                                                                 }
 480                                                         }
 481
 482                                                         if (empty($datarray['parent-uri'])) {
 483                                                                 $datarray['parent-uri'] = $datarray['uri'];
 484                                                         }
 485
 486                                                         $r = Email::getMessage($mbox, $msg_uid, $reply);
 487                                                         if (!$r) {
 488                                                                 logger("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 489                                                                 continue;
 490                                                         }
 491                                                         $datarray['body'] = escape_tags($r['body']);
 492                                                         $datarray['body'] = BBCode::limitBodySize($datarray['body']);
 493
 494                                                         logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 495
 496                                                         /// @TODO Adding a gravatar for the original author would be cool
 497
 498                                                         $from = imap_mime_header_decode($meta->from);
 499                                                         $fromdecoded = "";
 500                                                         foreach ($from as $frompart) {
 501                                                                 if ($frompart->charset != "default") {
 502                                                                         $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 503                                                                 } else {
 504                                                                         $fromdecoded .= $frompart->text;
 505                                                                 }
 506                                                         }
 507
 508                                                         $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->get_hostname());
 509
 510                                                         $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
 511
 512                                                         if (isset($fromarr[0]->personal)) {
 513                                                                 $fromname = $fromarr[0]->personal;
 514                                                         } else {
 515                                                                 $fromname = $frommail;
 516                                                         }
 517
 518                                                         $datarray['author-name'] = $fromname;
 519                                                         $datarray['author-link'] = "mailto:".$frommail;
 520                                                         $datarray['author-avatar'] = $contact['photo'];
 521
 522                                                         $datarray['owner-name'] = $contact['name'];
 523                                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 524                                                         $datarray['owner-avatar'] = $contact['photo'];
 525
 526                                                         $datarray['uid'] = $importer_uid;
 527                                                         $datarray['contact-id'] = $contact['id'];
 528                                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 529                                                                 $datarray['private'] = 1;
 530                                                         }
 531                                                         if (($contact['network'] === NETWORK_MAIL) && (!PConfig::get($importer_uid, 'system', 'allow_public_email_replies'))) {
 532                                                                 $datarray['private'] = 1;
 533                                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 534                                                         }
 535
 536                                                         $stored_item = Item::insert($datarray);
 537
 538                                                         switch ($mailconf['action']) {
 539                                                                 case 0:
 540                                                                         logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
 541                                                                         break;
 542                                                                 case 1:
 543                                                                         logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 544                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 545                                                                         break;
 546                                                                 case 2:
 547                                                                         logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 548                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 549                                                                         break;
 550                                                                 case 3:
 551                                                                         logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 552                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 553                                                                         if ($mailconf['movetofolder'] != "") {
 554                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 555                                                                         }
 556                                                                         break;
 557                                                         }
 558                                                 }
 559                                         }
 560                                 } else {
 561                                         logger("Mail: no mails for ".$mailconf['user']);
 562                                 }
 563
 564                                 logger("Mail: closing connection for ".$mailconf['user']);
 565                                 imap_close($mbox);
 566                         }
 567                 }
 568
 569                 if ($xml) {
 570                         logger('received xml : ' . $xml, LOGGER_DATA);
 571                         if (!strstr($xml, '<')) {
 572                                 logger('post_handshake: response from ' . $url . ' did not contain XML.');
 573
 574                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 575                                 self::updateContact($contact, $fields);
 576                                 Contact::markForArchival($contact);
 577                                 return;
 578                         }
 579
 580
 581                         logger("Consume feed of contact ".$contact['id']);
 582
 583                         consume_feed($xml, $importer, $contact, $hub);
 584
 585                         // do it a second time for DFRN so that any children find their parents.
 586                         if ($contact['network'] === NETWORK_DFRN) {
 587                                 consume_feed($xml, $importer, $contact, $hub);
 588                         }
 589
 590                         $hubmode = 'subscribe';
 591                         if ($contact['network'] === NETWORK_DFRN || $contact['blocked']) {
 592                                 $hubmode = 'unsubscribe';
 593                         }
 594
 595                         if (($contact['network'] === NETWORK_OSTATUS ||  $contact['network'] == NETWORK_FEED) && (! $contact['hub-verify'])) {
 596                                 $hub_update = true;
 597                         }
 598
 599                         if ($force) {
 600                                 $hub_update = true;
 601                         }
 602
 603                         logger("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
 604
 605                         if (strlen($hub) && $hub_update && (($contact['rel'] != CONTACT_IS_FOLLOWER) || $contact['network'] == NETWORK_FEED)) {
 606                                 logger('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 607                                 $hubs = explode(',', $hub);
 608                                 if (count($hubs)) {
 609                                         foreach ($hubs as $h) {
 610                                                 $h = trim($h);
 611                                                 if (!strlen($h)) {
 612                                                         continue;
 613                                                 }
 614                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 615                                         }
 616                                 }
 617                         }
 618
 619                         $updated = DateTimeFormat::utcNow();
 620
 621                         self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
 622                         dba::update('gcontact', ['last_contact' => $updated], ['nurl' => $contact['nurl']]);
 623                         Contact::unmarkForArchival($contact);
 624                 } elseif (in_array($contact["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_FEED])) {
 625                         $updated = DateTimeFormat::utcNow();
 626
 627                         self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 628                         dba::update('gcontact', ['last_failure' => $updated], ['nurl' => $contact['nurl']]);
 629                         Contact::markForArchival($contact);
 630                 } else {
 631                         $updated = DateTimeFormat::utcNow();
 632                         dba::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 633                 }
 634
 635                 return;
 636         }
 637
 638         private static function RemoveReply($subject)
 639         {
 640                 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
 641                         $subject = trim(substr($subject, 4));
 642                 }
 643
 644                 return $subject;
 645         }
 646
 647         /**
 648          * @brief Updates a personal contact entry and the public contact entry
 649          *
 650          * @param array $contact The personal contact entry
 651          * @param array $fields The fields that are updated
 652          */
 653         private static function updateContact($contact, $fields)
 654         {
 655                 dba::update('contact', $fields, ['id' => $contact['id']]);
 656                 dba::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
 657         }
 658 }