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