mod/dfrn_notify.php

   1 <?php
   2
   3 require_once('simplepie/simplepie.inc');
   4 require_once('include/items.php');
   5
   6
   7 function dfrn_notify_post(&$a) {
   8
   9         $dfrn_id      = ((x($_POST,'dfrn_id'))      ? notags(trim($_POST['dfrn_id']))   : '');
  10         $dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version']    : 2.0);
  11         $challenge    = ((x($_POST,'challenge'))    ? notags(trim($_POST['challenge'])) : '');
  12         $data         = ((x($_POST,'data'))         ? $_POST['data']                    : '');
  13         $key          = ((x($_POST,'key'))          ? $_POST['key']                     : '');
  14         $dissolve     = ((x($_POST,'dissolve'))     ? intval($_POST['dissolve'])        :  0);
  15
  16         $direction = (-1);
  17         if(strpos($dfrn_id,':') == 1) {
  18                 $direction = intval(substr($dfrn_id,0,1));
  19                 $dfrn_id = substr($dfrn_id,2);
  20         }
  21
  22         $r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
  23                 dbesc($dfrn_id),
  24                 dbesc($challenge)
  25         );
  26         if(! count($r)) {
  27                 logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id);
  28                 xml_status(3);
  29         }
  30
  31         $r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
  32                 dbesc($dfrn_id),
  33                 dbesc($challenge)
  34         );
  35
  36         // find the local user who owns this relationship.
  37
  38         $sql_extra = '';
  39         switch($direction) {
  40                 case (-1):
  41                         $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
  42                         break;
  43                 case 0:
  44                         $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
  45                         break;
  46                 case 1:
  47                         $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
  48                         break;
  49                 default:
  50                         xml_status(3);
  51                         break; // NOTREACHED
  52         }
  53
  54
  55
  56
  57         $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
  58                 `contact`.`pubkey` AS `cpubkey`, `contact`.`prvkey` AS `cprvkey`, `user`.* FROM `contact`
  59                 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
  60                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
  61                 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
  62                 dbesc($a->argv[1])
  63         );
  64
  65         if(! count($r)) {
  66                 logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
  67                 xml_status(3);
  68                 //NOTREACHED
  69         }
  70
  71         // $importer in this case contains the contact record for the remote contact joined with the user record of our user.
  72
  73         $importer = $r[0];
  74
  75         logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']);
  76         logger('dfrn_notify: data: ' . $data, LOGGER_DATA);
  77
  78         if(strlen($key)) {
  79                 $rawkey = hex2bin(trim($key));
  80                 logger('rino: md5 raw key: ' . md5($rawkey));
  81                 $final_key = '';
  82
  83                 if((($importer['duplex']) && strlen($importer['cpubkey'])) || (! strlen($importer['cprvkey']))) {
  84                         openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
  85                 }
  86                 else {
  87                         openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
  88                 }
  89
  90                 logger('rino: received key : ' . $final_key);
  91                 $data = aes_decrypt(hex2bin($data),$final_key);
  92                 logger('rino: decrypted data: ' . $data, LOGGER_DATA);
  93         }
  94
  95
  96
  97         if($dissolve == 1) {
  98
  99                 /**
 100                  * Relationship is dissolved permanently
 101                  */
 102
 103                 contact_remove($importer['id']);
 104                 logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
 105                 xml_status(0);
 106
 107         }
 108
 109         if($importer['readonly']) {
 110                 // We aren't receiving stuff from this person. But we will quietly ignore them
 111                 // rather than a blatant "go away" message.
 112                 logger('dfrn_notify: ignoring');
 113                 xml_status(0);
 114                 //NOTREACHED
 115         }
 116
 117         // Consume notification feed. This may differ from consuming a public feed in several ways
 118         // - might contain email
 119         // - might contain remote followup to our message
 120         //              - in which case we need to accept it and then notify other conversants
 121         // - we may need to send various email notifications
 122
 123         $feed = new SimplePie();
 124         $feed->set_raw_data($data);
 125         $feed->enable_order_by_date(false);
 126         $feed->init();
 127
 128         $ismail = false;
 129
 130         $rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' );
 131         if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) {
 132
 133                 logger('dfrn_notify: private message received');
 134
 135                 $ismail = true;
 136                 $base = $rawmail[0]['child'][NAMESPACE_DFRN];
 137
 138                 $msg = array();
 139                 $msg['uid'] = $importer['importer_uid'];
 140                 $msg['from-name'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['name'][0]['data']));
 141                 $msg['from-photo'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']));
 142                 $msg['from-url'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['uri'][0]['data']));
 143                 $msg['contact-id'] = $importer['id'];
 144                 $msg['title'] = notags(unxmlify($base['subject'][0]['data']));
 145                 $msg['body'] = escape_tags(unxmlify($base['content'][0]['data']));
 146                 $msg['seen'] = 0;
 147                 $msg['replied'] = 0;
 148                 $msg['uri'] = notags(unxmlify($base['id'][0]['data']));
 149                 $msg['parent-uri'] = notags(unxmlify($base['in-reply-to'][0]['data']));
 150                 $msg['created'] = datetime_convert(notags(unxmlify('UTC','UTC',$base['sentdate'][0]['data'])));
 151
 152                 dbesc_array($msg);
 153
 154                 $r = dbq("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg))
 155                         . "`) VALUES ('" . implode("', '", array_values($msg)) . "')" );
 156
 157                 // send email notification if requested.
 158
 159                 require_once('bbcode.php');
 160                 if($importer['notify-flags'] & NOTIFY_MAIL) {
 161
 162                         $body = html_entity_decode(strip_tags(bbcode(stripslashes($msg['body']))),ENT_QUOTES,'UTF-8');
 163
 164                         if(function_exists('quoted_printable_encode'))
 165                                 $body = quoted_printable_encode($body);
 166                         else
 167                                 $body = qp($body);
 168
 169                         $tpl = load_view_file('view/mail_received_eml.tpl');
 170                         $email_tpl = replace_macros($tpl, array(
 171                                 '$sitename' => $a->config['sitename'],
 172                                 '$siteurl' =>  $a->get_baseurl(),
 173                                 '$username' => $importer['username'],
 174                                 '$email' => $importer['email'],
 175                                 '$from' => $msg['from-name'],
 176                                 '$title' => stripslashes($msg['title']),
 177                                 '$body' => $body
 178                         ));
 179
 180                         $res = mail($importer['email'], t('New mail received at ') . $a->config['sitename'],
 181                                 $email_tpl, 'From: ' . t('Administrator') . '@' . $a->get_hostname() . "\r\n"
 182                                         . 'MIME-Version: 1.0' . "\r\n"
 183                                         . 'Content-type: text/plain; charset=UTF-8' . "\r\n"
 184                                         . 'Content-transfer-encoding: quoted-printable' . "\r\n"
 185                         );
 186                 }
 187                 xml_status(0);
 188                 // NOTREACHED
 189         }
 190
 191         logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity());
 192
 193         foreach($feed->get_items() as $item) {
 194
 195                 $deleted = false;
 196
 197                 $rawdelete = $item->get_item_tags( NAMESPACE_TOMB , 'deleted-entry');
 198                 if(isset($rawdelete[0]['attribs']['']['ref'])) {
 199                         $uri = $rawthread[0]['attribs']['']['ref'];
 200                         $deleted = true;
 201                         if(isset($rawdelete[0]['attribs']['']['when'])) {
 202                                 $when = $rawthread[0]['attribs']['']['when'];
 203                                 $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
 204                         }
 205                         else
 206                                 $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
 207                 }
 208                 if($deleted) {
 209                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 210                                 dbesc($uri),
 211                                 intval($importer['importer_uid'])
 212                         );
 213                         if(count($r)) {
 214                                 $item = $r[0];
 215                                 if($item['uri'] == $item['parent-uri']) {
 216                                         $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
 217                                                 WHERE `parent-uri` = '%s' AND `uid` = %d",
 218                                                 dbesc($when),
 219                                                 dbesc(datetime_convert()),
 220                                                 dbesc($item['uri']),
 221                                                 intval($importer['importer_uid'])
 222                                         );
 223                                 }
 224                                 else {
 225                                         $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
 226                                                 WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 227                                                 dbesc($when),
 228                                                 dbesc(datetime_convert()),
 229                                                 dbesc($uri),
 230                                                 intval($importer['importer_uid'])
 231                                         );
 232                                         if($item['last-child']) {
 233                                                 // ensure that last-child is set in case the comment that had it just got wiped.
 234                                                 $q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 235                                                         dbesc(datetime_convert()),
 236                                                         dbesc($item['parent-uri']),
 237                                                         intval($item['uid'])
 238                                                 );
 239                                                 // who is the last child now?
 240                                                 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
 241                                                         ORDER BY `created` DESC LIMIT 1",
 242                                                                 dbesc($item['parent-uri']),
 243                                                                 intval($importer['importer_uid'])
 244                                                 );
 245                                                 if(count($r)) {
 246                                                         q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 247                                                                 intval($r[0]['id'])
 248                                                         );
 249                                                 }
 250                                         }
 251                                 }
 252                         }
 253                         continue;
 254                 }
 255
 256                 $is_reply = false;
 257                 $item_id = $item->get_id();
 258                 $rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to');
 259                 if(isset($rawthread[0]['attribs']['']['ref'])) {
 260                         $is_reply = true;
 261                         $parent_uri = $rawthread[0]['attribs']['']['ref'];
 262                 }
 263
 264                 if($is_reply) {
 265                         if($feed->get_item_quantity() == 1) {
 266                                 logger('dfrn_notify: received remote comment');
 267                                 $is_like = false;
 268                                 // remote reply to our post. Import and then notify everybody else.
 269                                 $datarray = get_atom_elements($feed,$item);
 270                                 $datarray['type'] = 'remote-comment';
 271                                 $datarray['wall'] = 1;
 272                                 $datarray['parent-uri'] = $parent_uri;
 273                                 $datarray['uid'] = $importer['importer_uid'];
 274                                 $datarray['contact-id'] = $importer['id'];
 275                                 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
 276                                         $is_like = true;
 277                                         $datarray['type'] = 'activity';
 278                                         $datarray['gravity'] = GRAVITY_LIKE;
 279                                         $datarray['last-child'] = 0;
 280                                 }
 281                                 $posted_id = item_store($datarray);
 282
 283                                 if($posted_id) {
 284                                         if(! $is_like) {
 285                                                 $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 286                                                         intval($posted_id),
 287                                                         intval($importer['importer_uid'])
 288                                                 );
 289                                                 if(count($r)) {
 290                                                         $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
 291                                                                 dbesc(datetime_convert()),
 292                                                                 intval($importer['importer_uid']),
 293                                                                 intval($r[0]['parent'])
 294                                                         );
 295                                                 }
 296                                                 $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
 297                                                                 dbesc(datetime_convert()),
 298                                                                 intval($importer['importer_uid']),
 299                                                                 intval($posted_id)
 300                                                 );
 301                                         }
 302
 303                                         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 304
 305                                         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"comment-import\" \"$posted_id\" &",
 306                                                 array(),$foo));
 307
 308                                         if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
 309                                                 require_once('bbcode.php');
 310                                                 $from = stripslashes($datarray['author-name']);
 311                                                 $tpl = load_view_file('view/cmnt_received_eml.tpl');
 312                                                 $email_tpl = replace_macros($tpl, array(
 313                                                         '$sitename' => $a->config['sitename'],
 314                                                         '$siteurl' =>  $a->get_baseurl(),
 315                                                         '$username' => $importer['username'],
 316                                                         '$email' => $importer['email'],
 317                                                         '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id,
 318                                                         '$from' => $from,
 319                                                         '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
 320                                                 ));
 321
 322                                                 $res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
 323                                                         $email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
 324                                         }
 325                                 }
 326
 327                                 xml_status(0);
 328                                 // NOTREACHED
 329
 330                         }
 331                         else {
 332                                 // regular comment that is part of this total conversation. Have we seen it? If not, import it.
 333
 334                                 $item_id = $item->get_id();
 335
 336                                 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 337                                         dbesc($item_id),
 338                                         intval($importer['importer_uid'])
 339                                 );
 340                                 // FIXME update content if 'updated' changes
 341                                 if(count($r)) {
 342                                         $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 343                                         if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 344                                                 $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 345                                                         intval($allow[0]['data']),
 346                                                         dbesc(datetime_convert()),
 347                                                         dbesc($item_id),
 348                                                         intval($importer['importer_uid'])
 349                                                 );
 350                                         }
 351                                         continue;
 352                                 }
 353                                 $datarray = get_atom_elements($feed,$item);
 354                                 $datarray['parent-uri'] = $parent_uri;
 355                                 $datarray['uid'] = $importer['importer_uid'];
 356                                 $datarray['contact-id'] = $importer['id'];
 357                                 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
 358                                         $datarray['type'] = 'activity';
 359                                         $datarray['gravity'] = GRAVITY_LIKE;
 360                                 }
 361
 362                                 $r = item_store($datarray);
 363
 364                                 // find out if our user is involved in this conversation and wants to be notified.
 365
 366                                 if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
 367
 368                                         $myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d",
 369                                                 dbesc($parent_uri),
 370                                                 intval($importer['importer_uid'])
 371                                         );
 372                                         if(count($myconv)) {
 373                                                 foreach($myconv as $conv) {
 374                                                         if($conv['author-link'] != $importer['url'])
 375                                                                 continue;
 376                                                         require_once('bbcode.php');
 377                                                         $from = stripslashes($datarray['author-name']);
 378                                                         $tpl = load_view_file('view/cmnt_received_eml.tpl');
 379                                                         $email_tpl = replace_macros($tpl, array(
 380                                                                 '$sitename' => $a->config['sitename'],
 381                                                                 '$siteurl' =>  $a->get_baseurl(),
 382                                                                 '$username' => $importer['username'],
 383                                                                 '$email' => $importer['email'],
 384                                                                 '$from' => $from,
 385                                                                 '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
 386                                                                 '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
 387                                                         ));
 388
 389                                                         $res = mail($importer['email'], $from . t(" commented on an item at ")
 390                                                                 . $a->config['sitename'],
 391                                                                 $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 392                                                         break;
 393                                                 }
 394                                         }
 395                                 }
 396                                 continue;
 397                         }
 398                 }
 399                 else {
 400                         // Head post of a conversation. Have we seen it? If not, import it.
 401
 402                         $item_id = $item->get_id();
 403                         $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 404                                 dbesc($item_id),
 405                                 intval($importer['importer_uid'])
 406                         );
 407                         if(count($r)) {
 408                                 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 409                                 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 410                                         $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 411                                                 intval($allow[0]['data']),
 412                                                 dbesc(datetime_convert()),
 413                                                 dbesc($item_id),
 414                                                 intval($importer['importer_uid'])
 415                                         );
 416                                 }
 417                                 continue;
 418                         }
 419
 420
 421                         $datarray = get_atom_elements($feed,$item);
 422                         $datarray['parent-uri'] = $item_id;
 423                         $datarray['uid'] = $importer['importer_uid'];
 424                         $datarray['contact-id'] = $importer['id'];
 425                         $r = item_store($datarray);
 426                         continue;
 427                 }
 428         }
 429
 430         xml_status(0);
 431         // NOTREACHED
 432
 433 }
 434
 435
 436 function dfrn_notify_content(&$a) {
 437
 438         if(x($_GET,'dfrn_id')) {
 439
 440                 // initial communication from external contact, $direction is their direction.
 441                 // If this is a duplex communication, ours will be the opposite.
 442
 443                 $dfrn_id = notags(trim($_GET['dfrn_id']));
 444                 $dfrn_version = (float) $_GET['dfrn_version'];
 445
 446                 logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id);
 447
 448                 $direction = (-1);
 449                 if(strpos($dfrn_id,':') == 1) {
 450                         $direction = intval(substr($dfrn_id,0,1));
 451                         $dfrn_id = substr($dfrn_id,2);
 452                 }
 453
 454                 $hash = random_string();
 455
 456                 $status = 0;
 457
 458                 $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
 459
 460                 $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
 461                         VALUES( '%s', '%s', '%s') ",
 462                         dbesc($hash),
 463                         dbesc($dfrn_id),
 464                         intval(time() + 60 )
 465                 );
 466
 467
 468                 $sql_extra = '';
 469                 switch($direction) {
 470                         case (-1):
 471                                 $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
 472                                 $my_id = $dfrn_id;
 473                                 break;
 474                         case 0:
 475                                 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 476                                 $my_id = '1:' . $dfrn_id;
 477                                 break;
 478                         case 1:
 479                                 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 480                                 $my_id = '0:' . $dfrn_id;
 481                                 break;
 482                         default:
 483                                 $status = 1;
 484                                 break; // NOTREACHED
 485                 }
 486
 487                 $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 488                                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
 489                                 dbesc($a->argv[1])
 490                 );
 491
 492                 if(! count($r))
 493                         $status = 1;
 494
 495                 $challenge = '';
 496                 $encrypted_id = '';
 497                 $id_str = $my_id . '.' . mt_rand(1000,9999);
 498
 499                 if((($r[0]['duplex']) && strlen($r[0]['pubkey'])) || (! strlen($r[0]['prvkey']))) {
 500                         openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']);
 501                         openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']);
 502                 }
 503                 else {
 504                         openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
 505                         openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
 506                 }
 507
 508                 $challenge    = bin2hex($challenge);
 509                 $encrypted_id = bin2hex($encrypted_id);
 510
 511                 $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
 512
 513                 $rino_enable = get_config('system','rino_encrypt');
 514
 515                 if(! $rino_enable)
 516                         $rino = 0;
 517
 518
 519                 header("Content-type: text/xml");
 520
 521                 echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
 522                         . '<dfrn_notify>' . "\r\n"
 523                         . "\t" . '<status>' . $status . '</status>' . "\r\n"
 524                         . "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
 525                         . "\t" . '<rino>' . $rino . '</rino>' . "\r\n"
 526                         . "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n"
 527                         . "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
 528                         . '</dfrn_notify>' . "\r\n" ;
 529
 530                 killme();
 531         }
 532
 533 }