src/Worker/OnePoll.php

   1 <?php
   2 /**
   3  * @file src/Worker/OnePoll.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\BaseObject;
   8 use Friendica\Content\Text\BBCode;
   9 use Friendica\Core\Config;
  10 use Friendica\Core\Logger;
  11 use Friendica\Core\PConfig;
  12 use Friendica\Core\Protocol;
  13 use Friendica\Database\DBA;
  14 use Friendica\Model\APContact;
  15 use Friendica\Model\Contact;
  16 use Friendica\Model\Item;
  17 use Friendica\Protocol\ActivityPub;
  18 use Friendica\Protocol\Email;
  19 use Friendica\Protocol\PortableContact;
  20 use Friendica\Util\DateTimeFormat;
  21 use Friendica\Util\Network;
  22 use Friendica\Util\Strings;
  23 use Friendica\Util\XML;
  24
  25 class OnePoll
  26 {
  27         public static function execute($contact_id = 0, $command = '')
  28         {
  29                 $a = BaseObject::getApp();
  30
  31                 Logger::log('start');
  32
  33                 $manual_id  = 0;
  34                 $generation = 0;
  35                 $hub_update = false;
  36                 $force      = false;
  37                 $restart    = false;
  38
  39                 if ($command == "force") {
  40                         $force = true;
  41                 }
  42
  43                 if (!$contact_id) {
  44                         Logger::log('no contact');
  45                         return;
  46                 }
  47
  48                 $d = DateTimeFormat::utcNow();
  49
  50                 $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  51                 if (!DBA::isResult($contact)) {
  52                         Logger::log('Contact not found or cannot be used.');
  53                         return;
  54                 }
  55
  56                 $importer_uid = $contact['uid'];
  57
  58                 // Possibly switch the remote contact to AP
  59                 if ($contact['network'] === Protocol::OSTATUS) {
  60                         ActivityPub\Receiver::switchContact($contact['id'], $importer_uid, $contact['url']);
  61                         $contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
  62                 }
  63
  64                 // These three networks can be able to speak AP, so we are trying to fetch AP profile data here
  65                 if (in_array($contact['network'], [Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN])) {
  66                         APContact::getByURL($contact['url']);
  67                 }
  68
  69                 // We currently don't do anything more with AP here
  70                 if ($contact['network'] === Protocol::ACTIVITYPUB) {
  71                         return;
  72                 }
  73
  74                 // load current friends if possible.
  75                 if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
  76                         $r = q("SELECT count(*) AS total FROM glink
  77                                 WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
  78                                 intval($contact['id'])
  79                         );
  80                         if (DBA::isResult($r)) {
  81                                 if (!$r[0]['total']) {
  82                                         PortableContact::loadWorker($contact['id'], $importer_uid, 0, $contact['poco']);
  83                                 }
  84                         }
  85                 }
  86
  87                 // Diaspora users, archived users and followers are only checked if they still exist.
  88                 if ($contact['archive'] || ($contact["network"] == Protocol::DIASPORA) || ($contact["rel"] == Contact::FOLLOWER)) {
  89                         $last_updated = PortableContact::lastUpdated($contact["url"], true);
  90                         $updated = DateTimeFormat::utcNow();
  91
  92                         if ($last_updated) {
  93                                 Logger::log('Contact '.$contact['id'].' had last update on '.$last_updated, Logger::DEBUG);
  94
  95                                 // The last public item can be older than the last item we got
  96                                 if ($last_updated < $contact['last-item']) {
  97                                         $last_updated = $contact['last-item'];
  98                                 }
  99
 100                                 $fields = ['last-item' => DateTimeFormat::utc($last_updated), 'last-update' => $updated, 'success_update' => $updated];
 101                                 self::updateContact($contact, $fields);
 102                                 Contact::unmarkForArchival($contact);
 103                         } else {
 104                                 self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 105                                 Contact::markForArchival($contact);
 106                                 Logger::log('Contact '.$contact['id'].' is marked for archival', Logger::DEBUG);
 107                         }
 108
 109                         return;
 110                 }
 111
 112                 $xml = false;
 113
 114                 $t = $contact['last-update'];
 115
 116                 if ($contact['subhub']) {
 117                         $poll_interval = Config::get('system', 'pushpoll_frequency', 3);
 118                         $contact['priority'] = intval($poll_interval);
 119                         $hub_update = false;
 120
 121                         if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 day")) {
 122                                 $hub_update = true;
 123                         }
 124                 } else {
 125                         $hub_update = false;
 126                 }
 127
 128                 $last_update = (($contact['last-update'] <= DBA::NULL_DATETIME)
 129                         ? DateTimeFormat::utc('now - 7 days', DateTimeFormat::ATOM)
 130                         : DateTimeFormat::utc($contact['last-update'], DateTimeFormat::ATOM)
 131                 );
 132
 133                 // Update the contact entry
 134                 if (($contact['network'] === Protocol::OSTATUS) || ($contact['network'] === Protocol::DIASPORA) || ($contact['network'] === Protocol::DFRN)) {
 135                         if (!PortableContact::reachable($contact['url'])) {
 136                                 Logger::log("Skipping probably dead contact ".$contact['url']);
 137
 138                                 // set the last-update so we don't keep polling
 139                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 140                                 return;
 141                         }
 142
 143                         if (!Contact::updateFromProbe($contact["id"])) {
 144                                 Contact::markForArchival($contact);
 145                                 Logger::log('Contact is marked dead');
 146
 147                                 // set the last-update so we don't keep polling
 148                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 149                                 return;
 150                         } else {
 151                                 Contact::unmarkForArchival($contact);
 152                         }
 153                 }
 154
 155                 if (!in_array($contact['network'], [Protocol::FEED, Protocol::MAIL]) && Config::get('system', 'disable_polling')) {
 156                         return;
 157                 }
 158
 159                 if ($importer_uid == 0) {
 160                         Logger::log('Ignore public contacts');
 161
 162                         // set the last-update so we don't keep polling
 163                         DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 164                         return;
 165                 }
 166
 167                 $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
 168                         intval($importer_uid)
 169                 );
 170
 171                 if (!DBA::isResult($r)) {
 172                         Logger::log('No self contact for user '.$importer_uid);
 173
 174                         // set the last-update so we don't keep polling
 175                         DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 176                         return;
 177                 }
 178
 179                 $importer = $r[0];
 180                 $url = '';
 181
 182                 Logger::log("poll: ({$contact['network']}-{$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
 183
 184                 if ($contact['network'] === Protocol::DFRN) {
 185                         $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
 186                         if (intval($contact['duplex']) && $contact['dfrn-id']) {
 187                                 $idtosend = '0:' . $orig_id;
 188                         }
 189                         if (intval($contact['duplex']) && $contact['issued-id']) {
 190                                 $idtosend = '1:' . $orig_id;
 191                         }
 192
 193                         // they have permission to write to us. We already filtered this in the contact query.
 194                         $perm = 'rw';
 195
 196                         // But this may be our first communication, so set the writable flag if it isn't set already.
 197
 198                         if (!intval($contact['writable'])) {
 199                                 $fields = ['writable' => true];
 200                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 201                         }
 202
 203                         $url = $contact['poll'] . '?dfrn_id=' . $idtosend
 204                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 205                                 . '&type=data&last_update=' . $last_update
 206                                 . '&perm=' . $perm;
 207
 208                         $curlResult = Network::curl($url);
 209
 210                         if (!$curlResult->isSuccess() && ($curlResult->getErrorNumber() == CURLE_OPERATION_TIMEDOUT)) {
 211                                 // set the last-update so we don't keep polling
 212                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 213                                 Contact::markForArchival($contact);
 214                                 return;
 215                         }
 216
 217                         $handshake_xml = $curlResult->getBody();
 218                         $html_code = $curlResult->getReturnCode();
 219
 220                         Logger::log('handshake with url ' . $url . ' returns xml: ' . $handshake_xml, Logger::DATA);
 221
 222                         if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
 223                                 Logger::log("$url appears to be dead - marking for death ");
 224
 225                                 // dead connection - might be a transient event, or this might
 226                                 // mean the software was uninstalled or the domain expired.
 227                                 // Will keep trying for one month.
 228
 229                                 Contact::markForArchival($contact);
 230
 231                                 // set the last-update so we don't keep polling
 232                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 233                                 self::updateContact($contact, $fields);
 234                                 return;
 235                         }
 236
 237                         if (!strstr($handshake_xml, '<')) {
 238                                 Logger::log('response from ' . $url . ' did not contain XML.');
 239
 240                                 Contact::markForArchival($contact);
 241
 242                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 243                                 self::updateContact($contact, $fields);
 244                                 return;
 245                         }
 246
 247
 248                         $res = XML::parseString($handshake_xml);
 249
 250                         if (intval($res->status) == 1) {
 251                                 Logger::log("$url replied status 1 - marking for death ");
 252
 253                                 // we may not be friends anymore. Will keep trying for one month.
 254                                 // set the last-update so we don't keep polling
 255                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 256                                 self::updateContact($contact, $fields);
 257
 258                                 Contact::markForArchival($contact);
 259                         } elseif ($contact['term-date'] > DBA::NULL_DATETIME) {
 260                                 Logger::log("$url back from the dead - removing mark for death");
 261                                 Contact::unmarkForArchival($contact);
 262                         }
 263
 264                         if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
 265                                 // set the last-update so we don't keep polling
 266                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 267                                 return;
 268                         }
 269
 270                         if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
 271                                 $fields = ['poco' => str_replace('/profile/', '/poco/', $contact['url'])];
 272                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 273                         }
 274
 275                         $postvars = [];
 276
 277                         $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
 278                         $challenge    = hex2bin((string) $res->challenge);
 279
 280                         $final_dfrn_id = '';
 281
 282                         if ($contact['duplex'] && strlen($contact['prvkey'])) {
 283                                 openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
 284                                 openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
 285                         } else {
 286                                 openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
 287                                 openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
 288                         }
 289
 290                         $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
 291
 292                         if (strpos($final_dfrn_id, ':') == 1) {
 293                                 $final_dfrn_id = substr($final_dfrn_id, 2);
 294                         }
 295
 296                         if ($final_dfrn_id != $orig_id) {
 297                                 // did not decode properly - cannot trust this site
 298                                 Logger::log('ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
 299
 300                                 // set the last-update so we don't keep polling
 301                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 302                                 Contact::markForArchival($contact);
 303                                 return;
 304                         }
 305
 306                         $postvars['dfrn_id'] = $idtosend;
 307                         $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
 308                         $postvars['perm'] = 'rw';
 309
 310                         $xml = Network::post($contact['poll'], $postvars)->getBody();
 311
 312                 } elseif (($contact['network'] === Protocol::OSTATUS)
 313                         || ($contact['network'] === Protocol::DIASPORA)
 314                         || ($contact['network'] === Protocol::FEED)) {
 315
 316                         // Upgrading DB fields from an older Friendica version
 317                         // Will only do this once per notify-enabled OStatus contact
 318                         // or if relationship changes
 319
 320                         $stat_writeable = ((($contact['notify']) && ($contact['rel'] == Contact::FOLLOWER || $contact['rel'] == Contact::FRIEND)) ? 1 : 0);
 321
 322                         // Contacts from OStatus are always writable
 323                         if ($contact['network'] === Protocol::OSTATUS) {
 324                                 $stat_writeable = 1;
 325                         }
 326
 327                         if ($stat_writeable != $contact['writable']) {
 328                                 $fields = ['writable' => $stat_writeable];
 329                                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 330                         }
 331
 332                         // Are we allowed to import from this person?
 333
 334                         if ($contact['rel'] == Contact::FOLLOWER || $contact['blocked']) {
 335                                 // set the last-update so we don't keep polling
 336                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 337                                 return;
 338                         }
 339
 340                         $cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
 341                         $curlResult = Network::curl($contact['poll'], false, $redirects, ['cookiejar' => $cookiejar]);
 342                         unlink($cookiejar);
 343
 344                         if ($curlResult->isTimeout()) {
 345                                 // set the last-update so we don't keep polling
 346                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 347                                 Contact::markForArchival($contact);
 348                                 return;
 349                         }
 350
 351                         $xml = $curlResult->getBody();
 352
 353                 } elseif ($contact['network'] === Protocol::MAIL) {
 354                         Logger::log("Mail: Fetching for ".$contact['addr'], Logger::DEBUG);
 355
 356                         $mail_disabled = ((function_exists('imap_open') && !Config::get('system', 'imap_disabled')) ? 0 : 1);
 357                         if ($mail_disabled) {
 358                                 // set the last-update so we don't keep polling
 359                                 DBA::update('contact', ['last-update' => DateTimeFormat::utcNow()], ['id' => $contact['id']]);
 360                                 Contact::markForArchival($contact);
 361                                 return;
 362                         }
 363
 364                         Logger::log("Mail: Enabled", Logger::DEBUG);
 365
 366                         $mbox = null;
 367                         $user = DBA::selectFirst('user', ['prvkey'], ['uid' => $importer_uid]);
 368
 369                         $condition = ["`server` != '' AND `uid` = ?", $importer_uid];
 370                         $mailconf = DBA::selectFirst('mailacct', [], $condition);
 371                         if (DBA::isResult($user) && DBA::isResult($mailconf)) {
 372                                 $mailbox = Email::constructMailboxName($mailconf);
 373                                 $password = '';
 374                                 openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $user['prvkey']);
 375                                 $mbox = Email::connect($mailbox, $mailconf['user'], $password);
 376                                 unset($password);
 377                                 Logger::log("Mail: Connect to " . $mailconf['user']);
 378                                 if ($mbox) {
 379                                         $fields = ['last_check' => DateTimeFormat::utcNow()];
 380                                         DBA::update('mailacct', $fields, ['id' => $mailconf['id']]);
 381                                         Logger::log("Mail: Connected to " . $mailconf['user']);
 382                                 } else {
 383                                         Logger::log("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
 384                                 }
 385                         }
 386
 387                         if ($mbox) {
 388                                 $msgs = Email::poll($mbox, $contact['addr']);
 389
 390                                 if (count($msgs)) {
 391                                         Logger::log("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], Logger::DEBUG);
 392
 393                                         $metas = Email::messageMeta($mbox, implode(',', $msgs));
 394
 395                                         if (count($metas) != count($msgs)) {
 396                                                 Logger::log("for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", Logger::DEBUG);
 397                                         } else {
 398                                                 $msgs = array_combine($msgs, $metas);
 399
 400                                                 foreach ($msgs as $msg_uid => $meta) {
 401                                                         Logger::log("Mail: Parsing mail ".$msg_uid, Logger::DATA);
 402
 403                                                         $datarray = [];
 404                                                         $datarray['verb'] = ACTIVITY_POST;
 405                                                         $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
 406                                                         $datarray['network'] = Protocol::MAIL;
 407                                                         // $meta = Email::messageMeta($mbox, $msg_uid);
 408
 409                                                         $datarray['uri'] = Email::msgid2iri(trim($meta->message_id, '<>'));
 410
 411                                                         // Have we seen it before?
 412                                                         $fields = ['deleted', 'id'];
 413                                                         $condition = ['uid' => $importer_uid, 'uri' => $datarray['uri']];
 414                                                         $item = Item::selectFirst($fields, $condition);
 415                                                         if (DBA::isResult($item)) {
 416                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],Logger::DEBUG);
 417
 418                                                                 // Only delete when mails aren't automatically moved or deleted
 419                                                                 if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
 420                                                                         if ($meta->deleted && ! $item['deleted']) {
 421                                                                                 $fields = ['deleted' => true, 'changed' => DateTimeFormat::utcNow()];
 422                                                                                 Item::update($fields, ['id' => $item['id']]);
 423                                                                         }
 424
 425                                                                 switch ($mailconf['action']) {
 426                                                                         case 0:
 427                                                                                 Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 428                                                                                 break;
 429                                                                         case 1:
 430                                                                                 Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 431                                                                                 imap_delete($mbox, $msg_uid, FT_UID);
 432                                                                                 break;
 433                                                                         case 2:
 434                                                                                 Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 435                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 436                                                                                 break;
 437                                                                         case 3:
 438                                                                                 Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 439                                                                                 imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 440                                                                                 if ($mailconf['movetofolder'] != "") {
 441                                                                                         imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 442                                                                                 }
 443                                                                                 break;
 444                                                                 }
 445                                                                 continue;
 446                                                         }
 447
 448
 449                                                         // look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
 450                                                         $raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
 451                                                         if (!trim($raw_refs)) {
 452                                                                 $raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
 453                                                         }
 454                                                         $raw_refs = trim($raw_refs);  // Don't allow a blank reference in $refs_arr
 455
 456                                                         if ($raw_refs) {
 457                                                                 $refs_arr = explode(' ', $raw_refs);
 458                                                                 if (count($refs_arr)) {
 459                                                                         for ($x = 0; $x < count($refs_arr); $x ++) {
 460                                                                                 $refs_arr[$x] = Email::msgid2iri(str_replace(['<', '>', ' '],['', '', ''], $refs_arr[$x]));
 461                                                                         }
 462                                                                 }
 463                                                                 $condition = ['uri' => $refs_arr, 'uid' => $importer_uid];
 464                                                                 $parent = Item::selectFirst(['parent-uri'], $condition);
 465                                                                 if (DBA::isResult($parent)) {
 466                                                                         $datarray['parent-uri'] = $parent['parent-uri'];  // Set the parent as the top-level item
 467                                                                 }
 468                                                         }
 469
 470                                                         // Decoding the header
 471                                                         $subject = imap_mime_header_decode($meta->subject);
 472                                                         $datarray['title'] = "";
 473                                                         foreach ($subject as $subpart) {
 474                                                                 if ($subpart->charset != "default") {
 475                                                                         $datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
 476                                                                 } else {
 477                                                                         $datarray['title'] .= $subpart->text;
 478                                                                 }
 479                                                         }
 480                                                         $datarray['title'] = Strings::escapeTags(trim($datarray['title']));
 481
 482                                                         //$datarray['title'] = Strings::escapeTags(trim($meta->subject));
 483                                                         $datarray['created'] = DateTimeFormat::utc($meta->date);
 484
 485                                                         // Is it a reply?
 486                                                         $reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
 487                                                                 (substr(strtolower($datarray['title']), 0, 3) == "re-") ||
 488                                                                 ($raw_refs != ""));
 489
 490                                                         // Remove Reply-signs in the subject
 491                                                         $datarray['title'] = self::RemoveReply($datarray['title']);
 492
 493                                                         // If it seems to be a reply but a header couldn't be found take the last message with matching subject
 494                                                         if (empty($datarray['parent-uri']) && $reply) {
 495                                                                 $condition = ['title' => $datarray['title'], 'uid' => importer_uid, 'network' => Protocol::MAIL];
 496                                                                 $params = ['order' => ['created' => true]];
 497                                                                 $parent = Item::selectFirst(['parent-uri'], $condition, $params);
 498                                                                 if (DBA::isResult($parent)) {
 499                                                                         $datarray['parent-uri'] = $parent['parent-uri'];
 500                                                                 }
 501                                                         }
 502
 503                                                         if (empty($datarray['parent-uri'])) {
 504                                                                 $datarray['parent-uri'] = $datarray['uri'];
 505                                                         }
 506
 507                                                         $r = Email::getMessage($mbox, $msg_uid, $reply);
 508                                                         if (!$r) {
 509                                                                 Logger::log("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
 510                                                                 continue;
 511                                                         }
 512                                                         $datarray['body'] = Strings::escapeHtml($r['body']);
 513                                                         $datarray['body'] = BBCode::limitBodySize($datarray['body']);
 514
 515                                                         Logger::log("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
 516
 517                                                         /// @TODO Adding a gravatar for the original author would be cool
 518
 519                                                         $from = imap_mime_header_decode($meta->from);
 520                                                         $fromdecoded = "";
 521                                                         foreach ($from as $frompart) {
 522                                                                 if ($frompart->charset != "default") {
 523                                                                         $fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
 524                                                                 } else {
 525                                                                         $fromdecoded .= $frompart->text;
 526                                                                 }
 527                                                         }
 528
 529                                                         $fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->getHostName());
 530
 531                                                         $frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
 532
 533                                                         if (isset($fromarr[0]->personal)) {
 534                                                                 $fromname = $fromarr[0]->personal;
 535                                                         } else {
 536                                                                 $fromname = $frommail;
 537                                                         }
 538
 539                                                         $datarray['author-name'] = $fromname;
 540                                                         $datarray['author-link'] = "mailto:".$frommail;
 541                                                         $datarray['author-avatar'] = $contact['photo'];
 542
 543                                                         $datarray['owner-name'] = $contact['name'];
 544                                                         $datarray['owner-link'] = "mailto:".$contact['addr'];
 545                                                         $datarray['owner-avatar'] = $contact['photo'];
 546
 547                                                         $datarray['uid'] = $importer_uid;
 548                                                         $datarray['contact-id'] = $contact['id'];
 549                                                         if ($datarray['parent-uri'] === $datarray['uri']) {
 550                                                                 $datarray['private'] = 1;
 551                                                         }
 552                                                         if (($contact['network'] === Protocol::MAIL) && !PConfig::get($importer_uid, 'system', 'allow_public_email_replies')) {
 553                                                                 $datarray['private'] = 1;
 554                                                                 $datarray['allow_cid'] = '<' . $contact['id'] . '>';
 555                                                         }
 556
 557                                                         $stored_item = Item::insert($datarray);
 558
 559                                                         switch ($mailconf['action']) {
 560                                                                 case 0:
 561                                                                         Logger::log("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", Logger::DEBUG);
 562                                                                         break;
 563                                                                 case 1:
 564                                                                         Logger::log("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
 565                                                                         imap_delete($mbox, $msg_uid, FT_UID);
 566                                                                         break;
 567                                                                 case 2:
 568                                                                         Logger::log("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
 569                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 570                                                                         break;
 571                                                                 case 3:
 572                                                                         Logger::log("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
 573                                                                         imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
 574                                                                         if ($mailconf['movetofolder'] != "") {
 575                                                                                 imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
 576                                                                         }
 577                                                                         break;
 578                                                         }
 579                                                 }
 580                                         }
 581                                 } else {
 582                                         Logger::log("Mail: no mails for ".$mailconf['user']);
 583                                 }
 584
 585                                 Logger::log("Mail: closing connection for ".$mailconf['user']);
 586                                 imap_close($mbox);
 587                         }
 588                 }
 589
 590                 if ($xml) {
 591                         Logger::log('received xml : ' . $xml, Logger::DATA);
 592                         if (!strstr($xml, '<')) {
 593                                 Logger::log('post_handshake: response from ' . $url . ' did not contain XML.');
 594
 595                                 $fields = ['last-update' => DateTimeFormat::utcNow(), 'failure_update' => DateTimeFormat::utcNow()];
 596                                 self::updateContact($contact, $fields);
 597                                 Contact::markForArchival($contact);
 598                                 return;
 599                         }
 600
 601
 602                         Logger::log("Consume feed of contact ".$contact['id']);
 603
 604                         consume_feed($xml, $importer, $contact, $hub);
 605
 606                         // do it a second time for DFRN so that any children find their parents.
 607                         if ($contact['network'] === Protocol::DFRN) {
 608                                 consume_feed($xml, $importer, $contact, $hub);
 609                         }
 610
 611                         $hubmode = 'subscribe';
 612                         if ($contact['network'] === Protocol::DFRN || $contact['blocked']) {
 613                                 $hubmode = 'unsubscribe';
 614                         }
 615
 616                         if (($contact['network'] === Protocol::OSTATUS ||  $contact['network'] == Protocol::FEED) && (! $contact['hub-verify'])) {
 617                                 $hub_update = true;
 618                         }
 619
 620                         if ($force) {
 621                                 $hub_update = true;
 622                         }
 623
 624                         Logger::log("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
 625
 626                         if (strlen($hub) && $hub_update && (($contact['rel'] != Contact::FOLLOWER) || $contact['network'] == Protocol::FEED)) {
 627                                 Logger::log('hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
 628                                 $hubs = explode(',', $hub);
 629
 630                                 if (count($hubs)) {
 631                                         foreach ($hubs as $h) {
 632                                                 $h = trim($h);
 633
 634                                                 if (!strlen($h)) {
 635                                                         continue;
 636                                                 }
 637
 638                                                 subscribe_to_hub($h, $importer, $contact, $hubmode);
 639                                         }
 640                                 }
 641                         }
 642
 643                         $updated = DateTimeFormat::utcNow();
 644
 645                         self::updateContact($contact, ['last-update' => $updated, 'success_update' => $updated]);
 646                         DBA::update('gcontact', ['last_contact' => $updated], ['nurl' => $contact['nurl']]);
 647                         Contact::unmarkForArchival($contact);
 648                 } elseif (in_array($contact["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, Protocol::FEED])) {
 649                         $updated = DateTimeFormat::utcNow();
 650
 651                         self::updateContact($contact, ['last-update' => $updated, 'failure_update' => $updated]);
 652                         DBA::update('gcontact', ['last_failure' => $updated], ['nurl' => $contact['nurl']]);
 653                         Contact::markForArchival($contact);
 654                 } else {
 655                         $updated = DateTimeFormat::utcNow();
 656                         DBA::update('contact', ['last-update' => $updated], ['id' => $contact['id']]);
 657                 }
 658
 659                 return;
 660         }
 661
 662         private static function RemoveReply($subject)
 663         {
 664                 while (in_array(strtolower(substr($subject, 0, 3)), ["re:", "aw:"])) {
 665                         $subject = trim(substr($subject, 4));
 666                 }
 667
 668                 return $subject;
 669         }
 670
 671         /**
 672          * @brief Updates a personal contact entry and the public contact entry
 673          *
 674          * @param array $contact The personal contact entry
 675          * @param array $fields The fields that are updated
 676          */
 677         private static function updateContact(array $contact, array $fields)
 678         {
 679                 DBA::update('contact', $fields, ['id' => $contact['id']]);
 680                 DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $contact['nurl']]);
 681         }
 682 }