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