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: ' . $data, LOGGER_DATA);
  77
  78         if($dissolve == 1) {
  79
  80                 /**
  81                  * Relationship is dissolved permanently
  82                  */
  83
  84                 require_once('include/Contact.php');
  85                 contact_remove($importer['id']);
  86                 logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
  87                 xml_status(0);
  88
  89         }
  90
  91         if(strlen($key)) {
  92                 $rawkey = hex2bin(trim($key));
  93                 logger('rino: md5 raw key: ' . md5($rawkey));
  94                 $final_key = '';
  95
  96                 if((($importer['duplex']) && strlen($importer['cpubkey'])) || (! strlen($importer['cprvkey']))) {
  97                         openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
  98                 }
  99                 else {
 100                         openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
 101                 }
 102
 103                 logger('rino: received key : ' . $final_key);
 104                 $data = aes_decrypt(hex2bin($data),$final_key);
 105                 logger('rino: decrypted data: ' . $data, LOGGER_DATA);
 106         }
 107
 108
 109
 110
 111         if($importer['readonly']) {
 112                 // We aren't receiving stuff from this person. But we will quietly ignore them
 113                 // rather than a blatant "go away" message.
 114                 logger('dfrn_notify: ignoring');
 115                 xml_status(0);
 116                 //NOTREACHED
 117         }
 118
 119         // Consume notification feed. This may differ from consuming a public feed in several ways
 120         // - might contain email
 121         // - might contain remote followup to our message
 122         //              - in which case we need to accept it and then notify other conversants
 123         // - we may need to send various email notifications
 124
 125         $feed = new SimplePie();
 126         $feed->set_raw_data($data);
 127         $feed->enable_order_by_date(false);
 128         $feed->init();
 129
 130         $ismail = false;
 131
 132         $rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' );
 133         if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) {
 134
 135                 logger('dfrn_notify: private message received');
 136
 137                 $ismail = true;
 138                 $base = $rawmail[0]['child'][NAMESPACE_DFRN];
 139
 140                 $msg = array();
 141                 $msg['uid'] = $importer['importer_uid'];
 142                 $msg['from-name'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['name'][0]['data']));
 143                 $msg['from-photo'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']));
 144                 $msg['from-url'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['uri'][0]['data']));
 145                 $msg['contact-id'] = $importer['id'];
 146                 $msg['title'] = notags(unxmlify($base['subject'][0]['data']));
 147                 $msg['body'] = escape_tags(unxmlify($base['content'][0]['data']));
 148                 $msg['seen'] = 0;
 149                 $msg['replied'] = 0;
 150                 $msg['uri'] = notags(unxmlify($base['id'][0]['data']));
 151                 $msg['parent-uri'] = notags(unxmlify($base['in-reply-to'][0]['data']));
 152                 $msg['created'] = datetime_convert(notags(unxmlify('UTC','UTC',$base['sentdate'][0]['data'])));
 153
 154                 dbesc_array($msg);
 155
 156                 $r = dbq("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg))
 157                         . "`) VALUES ('" . implode("', '", array_values($msg)) . "')" );
 158
 159                 // send email notification if requested.
 160
 161                 require_once('bbcode.php');
 162                 if($importer['notify-flags'] & NOTIFY_MAIL) {
 163
 164                         $body = html_entity_decode(strip_tags(bbcode(stripslashes($msg['body']))),ENT_QUOTES,'UTF-8');
 165
 166                         if(function_exists('quoted_printable_encode'))
 167                                 $body = quoted_printable_encode($body);
 168                         else
 169                                 $body = qp($body);
 170
 171                         $tpl = load_view_file('view/mail_received_eml.tpl');
 172                         $email_tpl = replace_macros($tpl, array(
 173                                 '$sitename' => $a->config['sitename'],
 174                                 '$siteurl' =>  $a->get_baseurl(),
 175                                 '$username' => $importer['username'],
 176                                 '$email' => $importer['email'],
 177                                 '$from' => $msg['from-name'],
 178                                 '$title' => stripslashes($msg['title']),
 179                                 '$body' => $body
 180                         ));
 181
 182                         $res = mail($importer['email'], t('New mail received at ') . $a->config['sitename'],
 183                                 $email_tpl, 'From: ' . t('Administrator') . '@' . $a->get_hostname() . "\r\n"
 184                                         . 'MIME-Version: 1.0' . "\r\n"
 185                                         . 'Content-type: text/plain; charset=UTF-8' . "\r\n"
 186                                         . 'Content-transfer-encoding: quoted-printable' . "\r\n"
 187                         );
 188                 }
 189                 xml_status(0);
 190                 // NOTREACHED
 191         }
 192
 193         logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity());
 194
 195         foreach($feed->get_items() as $item) {
 196
 197                 $deleted = false;
 198
 199                 $rawdelete = $item->get_item_tags( NAMESPACE_TOMB , 'deleted-entry');
 200                 if(isset($rawdelete[0]['attribs']['']['ref'])) {
 201                         $uri = $rawthread[0]['attribs']['']['ref'];
 202                         $deleted = true;
 203                         if(isset($rawdelete[0]['attribs']['']['when'])) {
 204                                 $when = $rawthread[0]['attribs']['']['when'];
 205                                 $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
 206                         }
 207                         else
 208                                 $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
 209                 }
 210                 if($deleted) {
 211                         $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 212                                 dbesc($uri),
 213                                 intval($importer['importer_uid'])
 214                         );
 215                         if(count($r)) {
 216                                 $item = $r[0];
 217                                 if($item['uri'] == $item['parent-uri']) {
 218                                         $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
 219                                                 WHERE `parent-uri` = '%s' AND `uid` = %d",
 220                                                 dbesc($when),
 221                                                 dbesc(datetime_convert()),
 222                                                 dbesc($item['uri']),
 223                                                 intval($importer['importer_uid'])
 224                                         );
 225                                 }
 226                                 else {
 227                                         $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
 228                                                 WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 229                                                 dbesc($when),
 230                                                 dbesc(datetime_convert()),
 231                                                 dbesc($uri),
 232                                                 intval($importer['importer_uid'])
 233                                         );
 234                                         if($item['last-child']) {
 235                                                 // ensure that last-child is set in case the comment that had it just got wiped.
 236                                                 $q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 237                                                         dbesc(datetime_convert()),
 238                                                         dbesc($item['parent-uri']),
 239                                                         intval($item['uid'])
 240                                                 );
 241                                                 // who is the last child now?
 242                                                 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
 243                                                         ORDER BY `created` DESC LIMIT 1",
 244                                                                 dbesc($item['parent-uri']),
 245                                                                 intval($importer['importer_uid'])
 246                                                 );
 247                                                 if(count($r)) {
 248                                                         q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 249                                                                 intval($r[0]['id'])
 250                                                         );
 251                                                 }
 252                                         }
 253                                 }
 254                         }
 255                         continue;
 256                 }
 257
 258                 $is_reply = false;
 259                 $item_id = $item->get_id();
 260                 $rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to');
 261                 if(isset($rawthread[0]['attribs']['']['ref'])) {
 262                         $is_reply = true;
 263                         $parent_uri = $rawthread[0]['attribs']['']['ref'];
 264                 }
 265
 266                 if($is_reply) {
 267                         if($feed->get_item_quantity() == 1) {
 268                                 logger('dfrn_notify: received remote comment');
 269                                 $is_like = false;
 270                                 // remote reply to our post. Import and then notify everybody else.
 271                                 $datarray = get_atom_elements($feed,$item);
 272                                 $datarray['type'] = 'remote-comment';
 273                                 $datarray['wall'] = 1;
 274                                 $datarray['parent-uri'] = $parent_uri;
 275                                 $datarray['uid'] = $importer['importer_uid'];
 276                                 $datarray['contact-id'] = $importer['id'];
 277                                 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
 278                                         $is_like = true;
 279                                         $datarray['type'] = 'activity';
 280                                         $datarray['gravity'] = GRAVITY_LIKE;
 281                                         $datarray['last-child'] = 0;
 282                                 }
 283                                 $posted_id = item_store($datarray);
 284
 285                                 if($posted_id) {
 286                                         if(! $is_like) {
 287                                                 $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 288                                                         intval($posted_id),
 289                                                         intval($importer['importer_uid'])
 290                                                 );
 291                                                 if(count($r)) {
 292                                                         $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
 293                                                                 dbesc(datetime_convert()),
 294                                                                 intval($importer['importer_uid']),
 295                                                                 intval($r[0]['parent'])
 296                                                         );
 297                                                 }
 298                                                 $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
 299                                                                 dbesc(datetime_convert()),
 300                                                                 intval($importer['importer_uid']),
 301                                                                 intval($posted_id)
 302                                                 );
 303                                         }
 304
 305                                         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 306
 307                                         //proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"comment-import\" \"$posted_id\" &", array(),$foo));
 308                                         proc_run($php_path,"include/notifier.php","comment-import","$posted_id");
 309
 310                                         if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
 311                                                 require_once('bbcode.php');
 312                                                 $from = stripslashes($datarray['author-name']);
 313                                                 $tpl = load_view_file('view/cmnt_received_eml.tpl');
 314                                                 $email_tpl = replace_macros($tpl, array(
 315                                                         '$sitename' => $a->config['sitename'],
 316                                                         '$siteurl' =>  $a->get_baseurl(),
 317                                                         '$username' => $importer['username'],
 318                                                         '$email' => $importer['email'],
 319                                                         '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id,
 320                                                         '$from' => $from,
 321                                                         '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
 322                                                 ));
 323
 324                                                 $res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
 325                                                         $email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
 326                                         }
 327                                 }
 328
 329                                 xml_status(0);
 330                                 // NOTREACHED
 331
 332                         }
 333                         else {
 334                                 // regular comment that is part of this total conversation. Have we seen it? If not, import it.
 335
 336                                 $item_id = $item->get_id();
 337
 338                                 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 339                                         dbesc($item_id),
 340                                         intval($importer['importer_uid'])
 341                                 );
 342                                 // FIXME update content if 'updated' changes
 343                                 if(count($r)) {
 344                                         $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 345                                         if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 346                                                 $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 347                                                         intval($allow[0]['data']),
 348                                                         dbesc(datetime_convert()),
 349                                                         dbesc($item_id),
 350                                                         intval($importer['importer_uid'])
 351                                                 );
 352                                         }
 353                                         continue;
 354                                 }
 355                                 $datarray = get_atom_elements($feed,$item);
 356                                 $datarray['parent-uri'] = $parent_uri;
 357                                 $datarray['uid'] = $importer['importer_uid'];
 358                                 $datarray['contact-id'] = $importer['id'];
 359                                 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
 360                                         $datarray['type'] = 'activity';
 361                                         $datarray['gravity'] = GRAVITY_LIKE;
 362                                 }
 363
 364                                 $r = item_store($datarray);
 365
 366                                 // find out if our user is involved in this conversation and wants to be notified.
 367
 368                                 if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
 369
 370                                         $myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d",
 371                                                 dbesc($parent_uri),
 372                                                 intval($importer['importer_uid'])
 373                                         );
 374                                         if(count($myconv)) {
 375                                                 foreach($myconv as $conv) {
 376                                                         if($conv['author-link'] != $importer['url'])
 377                                                                 continue;
 378                                                         require_once('bbcode.php');
 379                                                         $from = stripslashes($datarray['author-name']);
 380                                                         $tpl = load_view_file('view/cmnt_received_eml.tpl');
 381                                                         $email_tpl = replace_macros($tpl, array(
 382                                                                 '$sitename' => $a->config['sitename'],
 383                                                                 '$siteurl' =>  $a->get_baseurl(),
 384                                                                 '$username' => $importer['username'],
 385                                                                 '$email' => $importer['email'],
 386                                                                 '$from' => $from,
 387                                                                 '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
 388                                                                 '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
 389                                                         ));
 390
 391                                                         $res = mail($importer['email'], $from . t(" commented on an item at ")
 392                                                                 . $a->config['sitename'],
 393                                                                 $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 394                                                         break;
 395                                                 }
 396                                         }
 397                                 }
 398                                 continue;
 399                         }
 400                 }
 401                 else {
 402                         // Head post of a conversation. Have we seen it? If not, import it.
 403
 404                         $item_id = $item->get_id();
 405                         $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 406                                 dbesc($item_id),
 407                                 intval($importer['importer_uid'])
 408                         );
 409                         if(count($r)) {
 410                                 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 411                                 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 412                                         $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 413                                                 intval($allow[0]['data']),
 414                                                 dbesc(datetime_convert()),
 415                                                 dbesc($item_id),
 416                                                 intval($importer['importer_uid'])
 417                                         );
 418                                 }
 419                                 continue;
 420                         }
 421
 422
 423                         $datarray = get_atom_elements($feed,$item);
 424                         $datarray['parent-uri'] = $item_id;
 425                         $datarray['uid'] = $importer['importer_uid'];
 426                         $datarray['contact-id'] = $importer['id'];
 427                         $r = item_store($datarray);
 428                         continue;
 429                 }
 430         }
 431
 432         xml_status(0);
 433         // NOTREACHED
 434
 435 }
 436
 437
 438 function dfrn_notify_content(&$a) {
 439
 440         if(x($_GET,'dfrn_id')) {
 441
 442                 // initial communication from external contact, $direction is their direction.
 443                 // If this is a duplex communication, ours will be the opposite.
 444
 445                 $dfrn_id = notags(trim($_GET['dfrn_id']));
 446                 $dfrn_version = (float) $_GET['dfrn_version'];
 447
 448                 logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id);
 449
 450                 $direction = (-1);
 451                 if(strpos($dfrn_id,':') == 1) {
 452                         $direction = intval(substr($dfrn_id,0,1));
 453                         $dfrn_id = substr($dfrn_id,2);
 454                 }
 455
 456                 $hash = random_string();
 457
 458                 $status = 0;
 459
 460                 $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
 461
 462                 $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
 463                         VALUES( '%s', '%s', '%s') ",
 464                         dbesc($hash),
 465                         dbesc($dfrn_id),
 466                         intval(time() + 60 )
 467                 );
 468
 469
 470                 $sql_extra = '';
 471                 switch($direction) {
 472                         case (-1):
 473                                 $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
 474                                 $my_id = $dfrn_id;
 475                                 break;
 476                         case 0:
 477                                 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 478                                 $my_id = '1:' . $dfrn_id;
 479                                 break;
 480                         case 1:
 481                                 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 482                                 $my_id = '0:' . $dfrn_id;
 483                                 break;
 484                         default:
 485                                 $status = 1;
 486                                 break; // NOTREACHED
 487                 }
 488
 489                 $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 490                                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
 491                                 dbesc($a->argv[1])
 492                 );
 493
 494                 if(! count($r))
 495                         $status = 1;
 496
 497                 $challenge = '';
 498                 $encrypted_id = '';
 499                 $id_str = $my_id . '.' . mt_rand(1000,9999);
 500
 501                 if((($r[0]['duplex']) && strlen($r[0]['pubkey'])) || (! strlen($r[0]['prvkey']))) {
 502                         openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']);
 503                         openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']);
 504                 }
 505                 else {
 506                         openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
 507                         openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
 508                 }
 509
 510                 $challenge    = bin2hex($challenge);
 511                 $encrypted_id = bin2hex($encrypted_id);
 512
 513                 $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
 514
 515                 $rino_enable = get_config('system','rino_encrypt');
 516
 517                 if(! $rino_enable)
 518                         $rino = 0;
 519
 520
 521                 header("Content-type: text/xml");
 522
 523                 echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
 524                         . '<dfrn_notify>' . "\r\n"
 525                         . "\t" . '<status>' . $status . '</status>' . "\r\n"
 526                         . "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
 527                         . "\t" . '<rino>' . $rino . '</rino>' . "\r\n"
 528                         . "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n"
 529                         . "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
 530                         . '</dfrn_notify>' . "\r\n" ;
 531
 532                 killme();
 533         }
 534
 535 }