571 lines
		
	
	
	
		
			17 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			571 lines
		
	
	
	
		
			17 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| /**
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|  * @file mod/dfrn_poll.php
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|  */
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| use Friendica\App;
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| use Friendica\Core\Config;
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| use Friendica\Core\L10n;
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| use Friendica\Core\System;
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| use Friendica\Database\DBM;
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| use Friendica\Module\Login;
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| use Friendica\Protocol\DFRN;
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| use Friendica\Protocol\OStatus;
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| use Friendica\Util\Network;
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| use Friendica\Util\XML;
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| 
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| require_once 'include/items.php';
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| 
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| function dfrn_poll_init(App $a)
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| {
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| 	Login::sessionAuth();
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| 
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| 	$dfrn_id         = defaults($_GET, 'dfrn_id'        , '');
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| 	$type            = defaults($_GET, 'type'           , 'data');
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| 	$last_update     = defaults($_GET, 'last_update'    , '');
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| 	$destination_url = defaults($_GET, 'destination_url', '');
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| 	$challenge       = defaults($_GET, 'challenge'      , '');
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| 	$sec             = defaults($_GET, 'sec'            , '');
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| 	$dfrn_version    = (float) defaults($_GET, 'dfrn_version'   , 2.0);
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| 	$perm            = defaults($_GET, 'perm'           , 'r');
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| 	$quiet			 = x($_GET, 'quiet');
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| 
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| 	// Possibly it is an OStatus compatible server that requests a user feed
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| 	if (($a->argc > 1) && ($dfrn_id == '') && !strstr($_SERVER["HTTP_USER_AGENT"], 'Friendica')) {
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| 		$nickname = $a->argv[1];
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| 		header("Content-type: application/atom+xml");
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| 		echo OStatus::feed($nickname, $last_update, 10);
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| 		killme();
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| 	}
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| 
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| 	$direction = -1;
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| 
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| 	if (strpos($dfrn_id, ':') == 1) {
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| 		$direction = intval(substr($dfrn_id, 0, 1));
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| 		$dfrn_id = substr($dfrn_id, 2);
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| 	}
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| 
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| 	$hidewall = false;
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| 
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| 	if (($dfrn_id === '') && (!x($_POST, 'dfrn_id'))) {
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| 		if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
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| 			System::httpExit(403);
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| 		}
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| 
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| 		$user = '';
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| 		if ($a->argc > 1) {
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| 			$r = q("SELECT `hidewall`,`nickname` FROM `user` WHERE `user`.`nickname` = '%s' LIMIT 1",
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| 				dbesc($a->argv[1])
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| 			);
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| 			if (!$r) {
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| 				System::httpExit(404);
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| 			}
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| 
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| 			$hidewall = ($r[0]['hidewall'] && !local_user());
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| 
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| 			$user = $r[0]['nickname'];
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| 		}
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| 
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| 		logger('dfrn_poll: public feed request from ' . $_SERVER['REMOTE_ADDR'] . ' for ' . $user);
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| 		header("Content-type: application/atom+xml");
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| 		echo DFRN::feed('', $user, $last_update, 0, $hidewall);
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| 		killme();
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| 	}
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| 
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| 	if (($type === 'profile') && (!strlen($sec))) {
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| 		$sql_extra = '';
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| 		switch ($direction) {
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| 			case -1:
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| 				$sql_extra = sprintf(" AND ( `dfrn-id` = '%s' OR `issued-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
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| 				$my_id = $dfrn_id;
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| 				break;
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| 			case 0:
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| 				$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
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| 				$my_id = '1:' . $dfrn_id;
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| 				break;
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| 			case 1:
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| 				$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
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| 				$my_id = '0:' . $dfrn_id;
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| 				break;
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| 			default:
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| 				goaway(System::baseUrl());
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| 				break; // NOTREACHED
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| 		}
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| 
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| 		$r = q("SELECT `contact`.*, `user`.`username`, `user`.`nickname`
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| 			FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
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| 			WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
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| 			AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
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| 			dbesc($a->argv[1])
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| 		);
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| 
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| 		if (DBM::is_result($r)) {
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| 			$s = Network::fetchUrl($r[0]['poll'] . '?dfrn_id=' . $my_id . '&type=profile-check');
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| 
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| 			logger("dfrn_poll: old profile returns " . $s, LOGGER_DATA);
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| 
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| 			if (strlen($s)) {
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| 				$xml = XML::parseString($s);
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| 
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| 				if ((int) $xml->status === 1) {
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| 					$_SESSION['authenticated'] = 1;
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| 					if (!x($_SESSION, 'remote')) {
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| 						$_SESSION['remote'] = [];
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| 					}
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| 
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| 					$_SESSION['remote'][] = ['cid' => $r[0]['id'], 'uid' => $r[0]['uid'], 'url' => $r[0]['url']];
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| 
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| 					$_SESSION['visitor_id'] = $r[0]['id'];
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| 					$_SESSION['visitor_home'] = $r[0]['url'];
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| 					$_SESSION['visitor_handle'] = $r[0]['addr'];
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| 					$_SESSION['visitor_visiting'] = $r[0]['uid'];
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| 					$_SESSION['my_url'] = $r[0]['url'];
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| 					if (!$quiet) {
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| 						info(L10n::t('%1$s welcomes %2$s', $r[0]['username'], $r[0]['name']) . EOL);
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| 					}
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| 
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| 					// Visitors get 1 day session.
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| 					$session_id = session_id();
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| 					$expire = time() + 86400;
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| 					q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s'",
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| 						dbesc($expire),
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| 						dbesc($session_id)
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| 					);
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| 				}
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| 			}
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| 			$profile = $r[0]['nickname'];
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| 			goaway((strlen($destination_url)) ? $destination_url : System::baseUrl() . '/profile/' . $profile);
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| 		}
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| 		goaway(System::baseUrl());
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| 	}
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| 
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| 	if ($type === 'profile-check' && $dfrn_version < 2.2) {
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| 		if ((strlen($challenge)) && (strlen($sec))) {
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| 			dba::delete('profile_check', ["`expire` < ?", time()]);
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| 			$r = q("SELECT * FROM `profile_check` WHERE `sec` = '%s' ORDER BY `expire` DESC LIMIT 1",
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| 				dbesc($sec)
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| 			);
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| 			if (!DBM::is_result($r)) {
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| 				System::xmlExit(3, 'No ticket');
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| 				// NOTREACHED
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| 			}
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| 
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| 			$orig_id = $r[0]['dfrn_id'];
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| 			if (strpos($orig_id, ':')) {
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| 				$orig_id = substr($orig_id, 2);
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| 			}
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| 
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| 			$c = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
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| 				intval($r[0]['cid'])
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| 			);
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| 			if (!DBM::is_result($c)) {
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| 				System::xmlExit(3, 'No profile');
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| 			}
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| 
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| 			$contact = $c[0];
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| 
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| 			$sent_dfrn_id = hex2bin($dfrn_id);
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| 			$challenge = hex2bin($challenge);
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| 
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| 			$final_dfrn_id = '';
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| 
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| 			if (($contact['duplex']) && strlen($contact['prvkey'])) {
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| 				openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
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| 				openssl_private_decrypt($challenge, $decoded_challenge, $contact['prvkey']);
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| 			} else {
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| 				openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
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| 				openssl_public_decrypt($challenge, $decoded_challenge, $contact['pubkey']);
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| 			}
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| 
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| 			$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
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| 
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| 			if (strpos($final_dfrn_id, ':') == 1) {
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| 				$final_dfrn_id = substr($final_dfrn_id, 2);
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| 			}
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| 
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| 			if ($final_dfrn_id != $orig_id) {
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| 				logger('profile_check: ' . $final_dfrn_id . ' != ' . $orig_id, LOGGER_DEBUG);
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| 				// did not decode properly - cannot trust this site
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| 				System::xmlExit(3, 'Bad decryption');
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| 			}
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| 
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| 			header("Content-type: text/xml");
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| 			echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?><dfrn_poll><status>0</status><challenge>$decoded_challenge</challenge><sec>$sec</sec></dfrn_poll>";
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| 			killme();
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| 			// NOTREACHED
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| 		} else {
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| 			// old protocol
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| 			switch ($direction) {
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| 				case 1:
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| 					$dfrn_id = '0:' . $dfrn_id;
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| 					break;
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| 				case 0:
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| 					$dfrn_id = '1:' . $dfrn_id;
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| 					break;
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| 				default:
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| 					break;
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| 			}
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| 
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| 			dba::delete('profile_check', ["`expire` < ?", time()]);
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| 			$r = q("SELECT * FROM `profile_check` WHERE `dfrn_id` = '%s' ORDER BY `expire` DESC",
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| 				dbesc($dfrn_id));
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| 			if (DBM::is_result($r)) {
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| 				System::xmlExit(1);
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| 				return; // NOTREACHED
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| 			}
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| 			System::xmlExit(0);
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| 			return; // NOTREACHED
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| 		}
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| 	}
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| }
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| 
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| function dfrn_poll_post(App $a)
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| {
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| 	$dfrn_id      = x($_POST,'dfrn_id')      ? $_POST['dfrn_id']              : '';
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| 	$challenge    = x($_POST,'challenge')    ? $_POST['challenge']            : '';
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| 	$url          = x($_POST,'url')          ? $_POST['url']                  : '';
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| 	$sec          = x($_POST,'sec')          ? $_POST['sec']                  : '';
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| 	$ptype        = x($_POST,'type')         ? $_POST['type']                 : '';
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| 	$dfrn_version = x($_POST,'dfrn_version') ? (float) $_POST['dfrn_version'] : 2.0;
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| 	$perm         = x($_POST,'perm')         ? $_POST['perm']                 : 'r';
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| 
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| 	if ($ptype === 'profile-check') {
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| 		if (strlen($challenge) && strlen($sec)) {
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| 			logger('dfrn_poll: POST: profile-check');
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| 
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| 			dba::delete('profile_check', ["`expire` < ?", time()]);
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| 			$r = q("SELECT * FROM `profile_check` WHERE `sec` = '%s' ORDER BY `expire` DESC LIMIT 1",
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| 				dbesc($sec)
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| 			);
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| 			if (!DBM::is_result($r)) {
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| 				System::xmlExit(3, 'No ticket');
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| 				// NOTREACHED
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| 			}
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| 
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| 			$orig_id = $r[0]['dfrn_id'];
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| 			if (strpos($orig_id, ':')) {
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| 				$orig_id = substr($orig_id, 2);
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| 			}
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| 
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| 			$c = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
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| 				intval($r[0]['cid'])
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| 			);
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| 			if (!DBM::is_result($c)) {
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| 				System::xmlExit(3, 'No profile');
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| 			}
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| 
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| 			$contact = $c[0];
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| 
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| 			$sent_dfrn_id = hex2bin($dfrn_id);
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| 			$challenge = hex2bin($challenge);
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| 
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| 			$final_dfrn_id = '';
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| 
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| 			if ($contact['duplex'] && strlen($contact['prvkey'])) {
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| 				openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
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| 				openssl_private_decrypt($challenge, $decoded_challenge, $contact['prvkey']);
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| 			} else {
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| 				openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
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| 				openssl_public_decrypt($challenge, $decoded_challenge, $contact['pubkey']);
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| 			}
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| 
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| 			$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
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| 
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| 			if (strpos($final_dfrn_id, ':') == 1) {
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| 				$final_dfrn_id = substr($final_dfrn_id, 2);
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| 			}
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| 
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| 			if ($final_dfrn_id != $orig_id) {
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| 				logger('profile_check: ' . $final_dfrn_id . ' != ' . $orig_id, LOGGER_DEBUG);
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| 				// did not decode properly - cannot trust this site
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| 				System::xmlExit(3, 'Bad decryption');
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| 			}
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| 
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| 			header("Content-type: text/xml");
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| 			echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?><dfrn_poll><status>0</status><challenge>$decoded_challenge</challenge><sec>$sec</sec></dfrn_poll>";
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| 			killme();
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| 			// NOTREACHED
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| 		}
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| 	}
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| 
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| 	$direction = -1;
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| 	if (strpos($dfrn_id, ':') == 1) {
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| 		$direction = intval(substr($dfrn_id, 0, 1));
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| 		$dfrn_id = substr($dfrn_id, 2);
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| 	}
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| 
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| 	$r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
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| 		dbesc($dfrn_id),
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| 		dbesc($challenge)
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| 	);
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| 
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| 	if (!DBM::is_result($r)) {
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| 		killme();
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| 	}
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| 
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| 	$type = $r[0]['type'];
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| 	$last_update = $r[0]['last_update'];
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| 
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| 	dba::delete('challenge', ['dfrn-id' => $dfrn_id, 'challenge' => $challenge]);
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| 
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| 	$sql_extra = '';
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| 	switch ($direction) {
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| 		case -1:
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| 			$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
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| 			$my_id = $dfrn_id;
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| 			break;
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| 		case 0:
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| 			$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
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| 			$my_id = '1:' . $dfrn_id;
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| 			break;
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| 		case 1:
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| 			$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
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| 			$my_id = '0:' . $dfrn_id;
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| 			break;
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| 		default:
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| 			goaway(System::baseUrl());
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| 			break; // NOTREACHED
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| 	}
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| 
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| 	$r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1");
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| 	if (!DBM::is_result($r)) {
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| 		killme();
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| 	}
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| 
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| 	$contact = $r[0];
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| 	$owner_uid = $r[0]['uid'];
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| 	$contact_id = $r[0]['id'];
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| 
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| 	if ($type === 'reputation' && strlen($url)) {
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| 		$r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
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| 			dbesc($url),
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| 			intval($owner_uid)
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| 		);
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| 		$reputation = 0;
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| 		$text = '';
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| 
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| 		if (DBM::is_result($r)) {
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| 			$reputation = $r[0]['rating'];
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| 			$text = $r[0]['reason'];
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| 
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| 			if ($r[0]['id'] == $contact_id) { // inquiring about own reputation not allowed
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| 				$reputation = 0;
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| 				$text = '';
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| 			}
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| 		}
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| 
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| 		echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
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| 		<reputation>
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| 			<url>$url</url>
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| 			<rating>$reputation</rating>
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| 			<description>$text</description>
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| 		</reputation>
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| 		";
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| 		killme();
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| 		// NOTREACHED
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| 	} else {
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| 		// Update the writable flag if it changed
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| 		logger('dfrn_poll: post request feed: ' . print_r($_POST, true), LOGGER_DATA);
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| 		if ($dfrn_version >= 2.21) {
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| 			if ($perm === 'rw') {
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| 				$writable = 1;
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| 			} else {
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| 				$writable = 0;
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| 			}
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| 
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| 			if ($writable != $contact['writable']) {
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| 				q("UPDATE `contact` SET `writable` = %d WHERE `id` = %d",
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| 					intval($writable),
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| 					intval($contact_id)
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| 				);
 | |
| 			}
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| 		}
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| 
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| 		header("Content-type: application/atom+xml");
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| 		$o = DFRN::feed($dfrn_id, $a->argv[1], $last_update, $direction);
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| 		echo $o;
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| 		killme();
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| 	}
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| }
 | |
| 
 | |
| function dfrn_poll_content(App $a)
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| {
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| 	$dfrn_id         = x($_GET,'dfrn_id')         ? $_GET['dfrn_id']              : '';
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| 	$type            = x($_GET,'type')            ? $_GET['type']                 : 'data';
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| 	$last_update     = x($_GET,'last_update')     ? $_GET['last_update']          : '';
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| 	$destination_url = x($_GET,'destination_url') ? $_GET['destination_url']      : '';
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| 	$sec             = x($_GET,'sec')             ? $_GET['sec']                  : '';
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| 	$dfrn_version    = x($_GET,'dfrn_version')    ? (float) $_GET['dfrn_version'] : 2.0;
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| 	$perm            = x($_GET,'perm')            ? $_GET['perm']                 : 'r';
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| 	$quiet           = x($_GET,'quiet')           ? true                          : false;
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| 
 | |
| 	$direction = -1;
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| 	if (strpos($dfrn_id, ':') == 1) {
 | |
| 		$direction = intval(substr($dfrn_id, 0, 1));
 | |
| 		$dfrn_id = substr($dfrn_id, 2);
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| 	}
 | |
| 
 | |
| 	if ($dfrn_id != '') {
 | |
| 		// initial communication from external contact
 | |
| 		$hash = random_string();
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| 
 | |
| 		$status = 0;
 | |
| 
 | |
| 		dba::delete('challenge', ["`expire` < ?", time()]);
 | |
| 
 | |
| 		if ($type !== 'profile') {
 | |
| 			$r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` , `type`, `last_update` )
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| 				VALUES( '%s', '%s', '%s', '%s', '%s' ) ",
 | |
| 				dbesc($hash),
 | |
| 				dbesc($dfrn_id),
 | |
| 				intval(time() + 60 ),
 | |
| 				dbesc($type),
 | |
| 				dbesc($last_update)
 | |
| 			);
 | |
| 		}
 | |
| 
 | |
| 		$sql_extra = '';
 | |
| 		switch ($direction) {
 | |
| 			case -1:
 | |
| 				if ($type === 'profile') {
 | |
| 					$sql_extra = sprintf(" AND ( `dfrn-id` = '%s' OR `issued-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
 | |
| 				} else {
 | |
| 					$sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
 | |
| 				}
 | |
| 
 | |
| 				$my_id = $dfrn_id;
 | |
| 				break;
 | |
| 			case 0:
 | |
| 				$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 | |
| 				$my_id = '1:' . $dfrn_id;
 | |
| 				break;
 | |
| 			case 1:
 | |
| 				$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
 | |
| 				$my_id = '0:' . $dfrn_id;
 | |
| 				break;
 | |
| 			default:
 | |
| 				goaway(System::baseUrl());
 | |
| 				break; // NOTREACHED
 | |
| 		}
 | |
| 
 | |
| 		$nickname = $a->argv[1];
 | |
| 
 | |
| 		$r = q("SELECT `contact`.*, `user`.`username`, `user`.`nickname`
 | |
| 			FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 | |
| 			WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 | |
| 			AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
 | |
| 			dbesc($nickname)
 | |
| 		);
 | |
| 		if (DBM::is_result($r)) {
 | |
| 			$challenge = '';
 | |
| 			$encrypted_id = '';
 | |
| 			$id_str = $my_id . '.' . mt_rand(1000, 9999);
 | |
| 
 | |
| 			if (($r[0]['duplex'] && strlen($r[0]['pubkey'])) || !strlen($r[0]['prvkey'])) {
 | |
| 				openssl_public_encrypt($hash, $challenge, $r[0]['pubkey']);
 | |
| 				openssl_public_encrypt($id_str, $encrypted_id, $r[0]['pubkey']);
 | |
| 			} else {
 | |
| 				openssl_private_encrypt($hash, $challenge, $r[0]['prvkey']);
 | |
| 				openssl_private_encrypt($id_str, $encrypted_id, $r[0]['prvkey']);
 | |
| 			}
 | |
| 
 | |
| 			$challenge = bin2hex($challenge);
 | |
| 			$encrypted_id = bin2hex($encrypted_id);
 | |
| 		} else {
 | |
| 			$status = 1;
 | |
| 			$challenge = '';
 | |
| 			$encrypted_id = '';
 | |
| 		}
 | |
| 
 | |
| 		if (($type === 'profile') && (strlen($sec))) {
 | |
| 			// URL reply
 | |
| 			if ($dfrn_version < 2.2) {
 | |
| 				$s = Network::fetchUrl($r[0]['poll']
 | |
| 					. '?dfrn_id=' . $encrypted_id
 | |
| 					. '&type=profile-check'
 | |
| 					. '&dfrn_version=' . DFRN_PROTOCOL_VERSION
 | |
| 					. '&challenge=' . $challenge
 | |
| 					. '&sec=' . $sec
 | |
| 				);
 | |
| 			} else {
 | |
| 				$s = Network::post($r[0]['poll'], [
 | |
| 					'dfrn_id' => $encrypted_id,
 | |
| 					'type' => 'profile-check',
 | |
| 					'dfrn_version' => DFRN_PROTOCOL_VERSION,
 | |
| 					'challenge' => $challenge,
 | |
| 					'sec' => $sec
 | |
| 				]);
 | |
| 			}
 | |
| 
 | |
| 			$profile = ((DBM::is_result($r) && $r[0]['nickname']) ? $r[0]['nickname'] : $nickname);
 | |
| 
 | |
| 			switch ($destination_url) {
 | |
| 				case 'profile':
 | |
| 					$dest = System::baseUrl() . '/profile/' . $profile . '?f=&tab=profile';
 | |
| 					break;
 | |
| 				case 'photos':
 | |
| 					$dest = System::baseUrl() . '/photos/' . $profile;
 | |
| 					break;
 | |
| 				case 'status':
 | |
| 				case '':
 | |
| 					$dest = System::baseUrl() . '/profile/' . $profile;
 | |
| 					break;
 | |
| 				default:
 | |
| 					$appendix = (strstr($destination_url, '?') ? '&f=&redir=1' : '?f=&redir=1');
 | |
| 					$dest = $destination_url . $appendix;
 | |
| 					break;
 | |
| 			}
 | |
| 
 | |
| 			logger("dfrn_poll: sec profile: " . $s, LOGGER_DATA);
 | |
| 
 | |
| 			if (strlen($s) && strstr($s, '<?xml')) {
 | |
| 				$xml = XML::parseString($s);
 | |
| 
 | |
| 				logger('dfrn_poll: profile: parsed xml: ' . print_r($xml, true), LOGGER_DATA);
 | |
| 
 | |
| 				logger('dfrn_poll: secure profile: challenge: ' . $xml->challenge . ' expecting ' . $hash);
 | |
| 				logger('dfrn_poll: secure profile: sec: ' . $xml->sec . ' expecting ' . $sec);
 | |
| 
 | |
| 				if (((int) $xml->status == 0) && ($xml->challenge == $hash) && ($xml->sec == $sec)) {
 | |
| 					$_SESSION['authenticated'] = 1;
 | |
| 					if (!x($_SESSION, 'remote')) {
 | |
| 						$_SESSION['remote'] = [];
 | |
| 					}
 | |
| 
 | |
| 					$_SESSION['remote'][] = ['cid' => $r[0]['id'], 'uid' => $r[0]['uid'], 'url' => $r[0]['url']];
 | |
| 					$_SESSION['visitor_id'] = $r[0]['id'];
 | |
| 					$_SESSION['visitor_home'] = $r[0]['url'];
 | |
| 					$_SESSION['visitor_visiting'] = $r[0]['uid'];
 | |
| 					$_SESSION['my_url'] = $r[0]['url'];
 | |
| 					if (!$quiet) {
 | |
| 						info(L10n::t('%1$s welcomes %2$s', $r[0]['username'], $r[0]['name']) . EOL);
 | |
| 					}
 | |
| 
 | |
| 					// Visitors get 1 day session.
 | |
| 					$session_id = session_id();
 | |
| 					$expire = time() + 86400;
 | |
| 					q("UPDATE `session` SET `expire` = '%s' WHERE `sid` = '%s'",
 | |
| 						dbesc($expire),
 | |
| 						dbesc($session_id)
 | |
| 					);
 | |
| 				}
 | |
| 
 | |
| 				goaway($dest);
 | |
| 			}
 | |
| 			goaway($dest);
 | |
| 			// NOTREACHED
 | |
| 		} else {
 | |
| 			// XML reply
 | |
| 			header("Content-type: text/xml");
 | |
| 			echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
 | |
| 				. '<dfrn_poll>' . "\r\n"
 | |
| 				. "\t" . '<status>' . $status . '</status>' . "\r\n"
 | |
| 				. "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
 | |
| 				. "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n"
 | |
| 				. "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
 | |
| 				. '</dfrn_poll>' . "\r\n";
 | |
| 			killme();
 | |
| 			// NOTREACHED
 | |
| 		}
 | |
| 	}
 | |
| }
 |