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 . ' challenge=' . $challenge);
  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         $r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
  56                 `contact`.`pubkey` AS `cpubkey`, `contact`.`prvkey` AS `cprvkey`, `user`.* FROM `contact`
  57                 LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
  58                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
  59                 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
  60                 dbesc($a->argv[1])
  61         );
  62
  63         if(! count($r)) {
  64                 logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
  65                 xml_status(3);
  66                 //NOTREACHED
  67         }
  68
  69         // $importer in this case contains the contact record for the remote contact joined with the user record of our user.
  70
  71         $importer = $r[0];
  72
  73         logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']);
  74         logger('dfrn_notify: data: ' . $data, LOGGER_DATA);
  75
  76         if($dissolve == 1) {
  77
  78                 /**
  79                  * Relationship is dissolved permanently
  80                  */
  81
  82                 require_once('include/Contact.php');
  83                 contact_remove($importer['id']);
  84                 logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
  85                 xml_status(0);
  86
  87         }
  88
  89         if(strlen($key)) {
  90                 $rawkey = hex2bin(trim($key));
  91                 logger('rino: md5 raw key: ' . md5($rawkey));
  92                 $final_key = '';
  93
  94                 if($dfrn_version >= 2.1) {
  95                         if((($importer['duplex']) && strlen($importer['cprvkey'])) || (! strlen($importer['cpubkey']))) {
  96                                 openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
  97                         }
  98                         else {
  99                                 openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
 100                         }
 101                 }
 102                 else {
 103                         if((($importer['duplex']) && strlen($importer['cpubkey'])) || (! strlen($importer['cprvkey']))) {
 104                                 openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
 105                         }
 106                         else {
 107                                 openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
 108                         }
 109                 }
 110
 111                 logger('rino: received key : ' . $final_key);
 112                 $data = aes_decrypt(hex2bin($data),$final_key);
 113                 logger('rino: decrypted data: ' . $data, LOGGER_DATA);
 114         }
 115
 116
 117
 118
 119         if($importer['readonly']) {
 120                 // We aren't receiving stuff from this person. But we will quietly ignore them
 121                 // rather than a blatant "go away" message.
 122                 logger('dfrn_notify: ignoring');
 123                 xml_status(0);
 124                 //NOTREACHED
 125         }
 126
 127         // Consume notification feed. This may differ from consuming a public feed in several ways
 128         // - might contain email
 129         // - might contain remote followup to our message
 130         //              - in which case we need to accept it and then notify other conversants
 131         // - we may need to send various email notifications
 132
 133         $feed = new SimplePie();
 134         $feed->set_raw_data($data);
 135         $feed->enable_order_by_date(false);
 136         $feed->init();
 137
 138         $ismail = false;
 139
 140         $rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' );
 141         if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) {
 142
 143                 logger('dfrn_notify: private message received');
 144
 145                 $ismail = true;
 146                 $base = $rawmail[0]['child'][NAMESPACE_DFRN];
 147
 148                 $msg = array();
 149                 $msg['uid'] = $importer['importer_uid'];
 150                 $msg['from-name'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['name'][0]['data']));
 151                 $msg['from-photo'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']));
 152                 $msg['from-url'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['uri'][0]['data']));
 153                 $msg['contact-id'] = $importer['id'];
 154                 $msg['title'] = notags(unxmlify($base['subject'][0]['data']));
 155                 $msg['body'] = escape_tags(unxmlify($base['content'][0]['data']));
 156                 $msg['seen'] = 0;
 157                 $msg['replied'] = 0;
 158                 $msg['uri'] = notags(unxmlify($base['id'][0]['data']));
 159                 $msg['parent-uri'] = notags(unxmlify($base['in-reply-to'][0]['data']));
 160                 $msg['created'] = datetime_convert(notags(unxmlify('UTC','UTC',$base['sentdate'][0]['data'])));
 161
 162                 dbesc_array($msg);
 163
 164                 $r = dbq("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg))
 165                         . "`) VALUES ('" . implode("', '", array_values($msg)) . "')" );
 166
 167                 // send email notification if requested.
 168
 169                 require_once('bbcode.php');
 170                 if($importer['notify-flags'] & NOTIFY_MAIL) {
 171
 172                         $body = html_entity_decode(strip_tags(bbcode(stripslashes($msg['body']))),ENT_QUOTES,'UTF-8');
 173
 174                         if(function_exists('quoted_printable_encode'))
 175                                 $body = quoted_printable_encode($body);
 176                         else
 177                                 $body = qp($body);
 178
 179                         $tpl = load_view_file('view/mail_received_eml.tpl');
 180                         $email_tpl = replace_macros($tpl, array(
 181                                 '$sitename' => $a->config['sitename'],
 182                                 '$siteurl' =>  $a->get_baseurl(),
 183                                 '$username' => $importer['username'],
 184                                 '$email' => $importer['email'],
 185                                 '$from' => $msg['from-name'],
 186                                 '$title' => stripslashes($msg['title']),
 187                                 '$body' => $body
 188                         ));
 189
 190                         $res = mail($importer['email'], t('New mail received at ') . $a->config['sitename'],
 191                                 $email_tpl, 'From: ' . t('Administrator') . '@' . $a->get_hostname() . "\r\n"
 192                                         . 'MIME-Version: 1.0' . "\r\n"
 193                                         . 'Content-type: text/plain; charset=UTF-8' . "\r\n"
 194                                         . 'Content-transfer-encoding: quoted-printable' . "\r\n"
 195                         );
 196                 }
 197                 xml_status(0);
 198                 // NOTREACHED
 199         }
 200
 201         logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity());
 202
 203         // process any deleted entries
 204
 205         $del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
 206         if(is_array($del_entries) && count($del_entries)) {
 207                 foreach($del_entries as $dentry) {
 208                         $deleted = false;
 209                         if(isset($dentry['attribs']['']['ref'])) {
 210                                 $uri = $dentry['attribs']['']['ref'];
 211                                 $deleted = true;
 212                                 if(isset($dentry['attribs']['']['when'])) {
 213                                         $when = $dentry['attribs']['']['when'];
 214                                         $when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
 215                                 }
 216                                 else
 217                                         $when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
 218                         }
 219                         if($deleted) {
 220                                 $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 221                                         dbesc($uri),
 222                                         intval($importer['importer_uid'])
 223                                 );
 224                                 if(count($r)) {
 225                                         $item = $r[0];
 226
 227                                         if(! $item['deleted'])
 228                                                 logger('dfrn_notify: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
 229
 230                                         if($item['uri'] == $item['parent-uri']) {
 231                                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
 232                                                         WHERE `parent-uri` = '%s' AND `uid` = %d",
 233                                                         dbesc($when),
 234                                                         dbesc(datetime_convert()),
 235                                                         dbesc($item['uri']),
 236                                                         intval($importer['importer_uid'])
 237                                                 );
 238                                         }
 239                                         else {
 240                                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
 241                                                         WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 242                                                         dbesc($when),
 243                                                         dbesc(datetime_convert()),
 244                                                         dbesc($uri),
 245                                                         intval($importer['importer_uid'])
 246                                                 );
 247                                                 if($item['last-child']) {
 248                                                         // ensure that last-child is set in case the comment that had it just got wiped.
 249                                                         $q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 250                                                                 dbesc(datetime_convert()),
 251                                                                 dbesc($item['parent-uri']),
 252                                                                 intval($item['uid'])
 253                                                         );
 254                                                         // who is the last child now?
 255                                                         $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
 256                                                                 ORDER BY `created` DESC LIMIT 1",
 257                                                                         dbesc($item['parent-uri']),
 258                                                                         intval($importer['importer_uid'])
 259                                                         );
 260                                                         if(count($r)) {
 261                                                                 q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 262                                                                         intval($r[0]['id'])
 263                                                                 );
 264                                                         }
 265                                                 }
 266                                         }
 267                                 }
 268                         }
 269                 }
 270         }
 271
 272
 273         foreach($feed->get_items() as $item) {
 274
 275                 $is_reply = false;
 276                 $item_id = $item->get_id();
 277                 $rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to');
 278                 if(isset($rawthread[0]['attribs']['']['ref'])) {
 279                         $is_reply = true;
 280                         $parent_uri = $rawthread[0]['attribs']['']['ref'];
 281                 }
 282
 283                 if($is_reply) {
 284                         if($feed->get_item_quantity() == 1) {
 285                                 logger('dfrn_notify: received remote comment');
 286                                 $is_like = false;
 287                                 // remote reply to our post. Import and then notify everybody else.
 288                                 $datarray = get_atom_elements($feed,$item);
 289                                 $datarray['type'] = 'remote-comment';
 290                                 $datarray['wall'] = 1;
 291                                 $datarray['parent-uri'] = $parent_uri;
 292                                 $datarray['uid'] = $importer['importer_uid'];
 293                                 $datarray['contact-id'] = $importer['id'];
 294                                 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
 295                                         $is_like = true;
 296                                         $datarray['type'] = 'activity';
 297                                         $datarray['gravity'] = GRAVITY_LIKE;
 298                                         $datarray['last-child'] = 0;
 299                                 }
 300                                 $posted_id = item_store($datarray);
 301                                 $parent = 0;
 302
 303                                 if($posted_id) {
 304                                         $r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 305                                                 intval($posted_id),
 306                                                 intval($importer['importer_uid'])
 307                                         );
 308                                         if(count($r))
 309                                                 $parent = $r[0]['parent'];
 310
 311                                         if(! $is_like) {
 312                                                 $r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
 313                                                         dbesc(datetime_convert()),
 314                                                         intval($importer['importer_uid']),
 315                                                         intval($r[0]['parent'])
 316                                                 );
 317
 318                                                 $r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
 319                                                         dbesc(datetime_convert()),
 320                                                         intval($importer['importer_uid']),
 321                                                         intval($posted_id)
 322                                                 );
 323                                         }
 324
 325                                         if($posted_id && $parent) {
 326
 327                                                 $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 328
 329                                                 proc_run($php_path,"include/notifier.php","comment-import","$posted_id");
 330
 331                                                 if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
 332                                                         require_once('bbcode.php');
 333                                                         $from = stripslashes($datarray['author-name']);
 334                                                         $tpl = load_view_file('view/cmnt_received_eml.tpl');
 335                                                         $email_tpl = replace_macros($tpl, array(
 336                                                                 '$sitename' => $a->config['sitename'],
 337                                                                 '$siteurl' =>  $a->get_baseurl(),
 338                                                                 '$username' => $importer['username'],
 339                                                                 '$email' => $importer['email'],
 340                                                                 '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id,
 341                                                                 '$from' => $from,
 342                                                                 '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
 343                                                         ));
 344
 345                                                         $res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
 346                                                                 $email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
 347                                                 }
 348                                         }
 349                                         xml_status(0);
 350                                         // NOTREACHED
 351                                 }
 352                         }
 353                         else {
 354                                 // regular comment that is part of this total conversation. Have we seen it? If not, import it.
 355
 356                                 $item_id = $item->get_id();
 357
 358                                 $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 359                                         dbesc($item_id),
 360                                         intval($importer['importer_uid'])
 361                                 );
 362                                 // FIXME update content if 'updated' changes
 363                                 if(count($r)) {
 364                                         $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 365                                         if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 366                                                 $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 367                                                         intval($allow[0]['data']),
 368                                                         dbesc(datetime_convert()),
 369                                                         dbesc($item_id),
 370                                                         intval($importer['importer_uid'])
 371                                                 );
 372                                         }
 373                                         continue;
 374                                 }
 375                                 $datarray = get_atom_elements($feed,$item);
 376                                 $datarray['parent-uri'] = $parent_uri;
 377                                 $datarray['uid'] = $importer['importer_uid'];
 378                                 $datarray['contact-id'] = $importer['id'];
 379                                 if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
 380                                         $datarray['type'] = 'activity';
 381                                         $datarray['gravity'] = GRAVITY_LIKE;
 382                                 }
 383                                 $r = item_store($datarray);
 384
 385                                 // find out if our user is involved in this conversation and wants to be notified.
 386
 387                                 if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
 388
 389                                         $myconv = q("SELECT `author-link` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 ",
 390                                                 dbesc($parent_uri),
 391                                                 intval($importer['importer_uid'])
 392                                         );
 393                                         if(count($myconv)) {
 394                                                 foreach($myconv as $conv) {
 395                                                         if(! link_compare($conv['author-link'],$importer['url']))
 396                                                                 continue;
 397                                                         require_once('bbcode.php');
 398                                                         $from = stripslashes($datarray['author-name']);
 399                                                         $tpl = load_view_file('view/cmnt_received_eml.tpl');
 400                                                         $email_tpl = replace_macros($tpl, array(
 401                                                                 '$sitename' => $a->config['sitename'],
 402                                                                 '$siteurl' =>  $a->get_baseurl(),
 403                                                                 '$username' => $importer['username'],
 404                                                                 '$email' => $importer['email'],
 405                                                                 '$from' => $from,
 406                                                                 '$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
 407                                                                 '$body' => strip_tags(bbcode(stripslashes($datarray['body'])))
 408                                                         ));
 409
 410                                                         $res = mail($importer['email'], $from . t(" commented on an item at ")
 411                                                                 . $a->config['sitename'],
 412                                                                 $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 413                                                         break;
 414                                                 }
 415                                         }
 416                                 }
 417                                 continue;
 418                         }
 419                 }
 420                 else {
 421                         // Head post of a conversation. Have we seen it? If not, import it.
 422
 423                         $item_id = $item->get_id();
 424                         $r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 425                                 dbesc($item_id),
 426                                 intval($importer['importer_uid'])
 427                         );
 428                         if(count($r)) {
 429                                 $allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
 430                                 if($allow && $allow[0]['data'] != $r[0]['last-child']) {
 431                                         $r = q("UPDATE `item` SET `last-child` = %d, `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 432                                                 intval($allow[0]['data']),
 433                                                 dbesc(datetime_convert()),
 434                                                 dbesc($item_id),
 435                                                 intval($importer['importer_uid'])
 436                                         );
 437                                 }
 438                                 continue;
 439                         }
 440
 441
 442                         $datarray = get_atom_elements($feed,$item);
 443                         $datarray['parent-uri'] = $item_id;
 444                         $datarray['uid'] = $importer['importer_uid'];
 445                         $datarray['contact-id'] = $importer['id'];
 446                         $r = item_store($datarray);
 447                         continue;
 448                 }
 449         }
 450
 451         xml_status(0);
 452         // NOTREACHED
 453
 454 }
 455
 456
 457 function dfrn_notify_content(&$a) {
 458
 459         if(x($_GET,'dfrn_id')) {
 460
 461                 // initial communication from external contact, $direction is their direction.
 462                 // If this is a duplex communication, ours will be the opposite.
 463
 464                 $dfrn_id = notags(trim($_GET['dfrn_id']));
 465                 $dfrn_version = (float) $_GET['dfrn_version'];
 466
 467                 logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id);
 468
 469                 $direction = (-1);
 470                 if(strpos($dfrn_id,':') == 1) {
 471                         $direction = intval(substr($dfrn_id,0,1));
 472                         $dfrn_id = substr($dfrn_id,2);
 473                 }
 474
 475                 $hash = random_string();
 476
 477                 $status = 0;
 478
 479                 $r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
 480
 481                 $r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
 482                         VALUES( '%s', '%s', %d ) ",
 483                         dbesc($hash),
 484                         dbesc($dfrn_id),
 485                         intval(time() + 90 )
 486                 );
 487
 488                 logger('dfrn_notify: challenge=' . $hash );
 489
 490                 $sql_extra = '';
 491                 switch($direction) {
 492                         case (-1):
 493                                 $sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
 494                                 $my_id = $dfrn_id;
 495                                 break;
 496                         case 0:
 497                                 $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 498                                 $my_id = '1:' . $dfrn_id;
 499                                 break;
 500                         case 1:
 501                                 $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 502                                 $my_id = '0:' . $dfrn_id;
 503                                 break;
 504                         default:
 505                                 $status = 1;
 506                                 break; // NOTREACHED
 507                 }
 508
 509                 $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
 510                                 WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
 511                                 dbesc($a->argv[1])
 512                 );
 513
 514                 if(! count($r))
 515                         $status = 1;
 516
 517                 $challenge = '';
 518                 $encrypted_id = '';
 519                 $id_str = $my_id . '.' . mt_rand(1000,9999);
 520
 521                 if((($r[0]['duplex']) && strlen($r[0]['prvkey'])) || (! strlen($r[0]['pubkey']))) {
 522                         openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
 523                         openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
 524                 }
 525                 else {
 526                         openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']);
 527                         openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']);
 528                 }
 529
 530                 $challenge    = bin2hex($challenge);
 531                 $encrypted_id = bin2hex($encrypted_id);
 532
 533                 $rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
 534
 535                 $rino_enable = get_config('system','rino_encrypt');
 536
 537                 if(! $rino_enable)
 538                         $rino = 0;
 539
 540
 541                 header("Content-type: text/xml");
 542
 543                 echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
 544                         . '<dfrn_notify>' . "\r\n"
 545                         . "\t" . '<status>' . $status . '</status>' . "\r\n"
 546                         . "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
 547                         . "\t" . '<rino>' . $rino . '</rino>' . "\r\n"
 548                         . "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n"
 549                         . "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
 550                         . '</dfrn_notify>' . "\r\n" ;
 551
 552                 killme();
 553         }
 554
 555 }