'; $AUTH_XML = ''; $CLOSE_XML = ''; $RESOURCE_XML = ''. ''. 'fb_xmpp_script'; $SESSION_XML = ''. ''; $START_TLS = ''; function open_connection($server) { print "[INFO] Opening connection... "; $fp = fsockopen($server, 5222, $errno, $errstr); if (!$fp) { print "$errstr ($errno)
"; } else { print "connnection open
"; } return $fp; } function send_xml($fp, $xml) { fwrite($fp, $xml); } function recv_xml($fp, $size=4096) { $xml = fread($fp, $size); if ($xml === "") { return null; } // parses xml $xml_parser = xml_parser_create(); xml_parse_into_struct($xml_parser, $xml, $val, $index); xml_parser_free($xml_parser); return array($val, $index); } function find_xmpp($fp, $tag, $value=null, &$ret=null) { static $val = null, $index = null; do { if ($val === null && $index === null) { list($val, $index) = recv_xml($fp); if ($val === null || $index === null) { return false; } } foreach ($index as $tag_key => $tag_array) { if ($tag_key === $tag) { if ($value === null) { if (isset($val[$tag_array[0]]['value'])) { $ret = $val[$tag_array[0]]['value']; } return true; } foreach ($tag_array as $i => $pos) { if ($val[$pos]['tag'] === $tag && isset($val[$pos]['value']) && $val[$pos]['value'] === $value) { $ret = $val[$pos]['value']; return true; } } } } $val = $index = null; } while (!feof($fp)); return false; } function xmpp_connect($options, $access_token) { global $STREAM_XML, $AUTH_XML, $RESOURCE_XML, $SESSION_XML, $CLOSE_XML, $START_TLS; $fp = open_connection($options['server']); if (!$fp) { return false; } // initiates auth process (using X-FACEBOOK_PLATFORM) send_xml($fp, $STREAM_XML); if (!find_xmpp($fp, 'STREAM:STREAM')) { return false; } if (!find_xmpp($fp, 'MECHANISM', 'X-FACEBOOK-PLATFORM')) { return false; } // starting tls - MANDATORY TO USE OAUTH TOKEN!!!! send_xml($fp, $START_TLS); if (!find_xmpp($fp, 'PROCEED', null, $proceed)) { return false; } stream_socket_enable_crypto($fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT); send_xml($fp, $STREAM_XML); if (!find_xmpp($fp, 'STREAM:STREAM')) { return false; } if (!find_xmpp($fp, 'MECHANISM', 'X-FACEBOOK-PLATFORM')) { return false; } // gets challenge from server and decode it send_xml($fp, $AUTH_XML); if (!find_xmpp($fp, 'CHALLENGE', null, $challenge)) { return false; } $challenge = base64_decode($challenge); $challenge = urldecode($challenge); parse_str($challenge, $challenge_array); // creates the response array $resp_array = array( 'method' => $challenge_array['method'], 'nonce' => $challenge_array['nonce'], 'access_token' => $access_token, 'api_key' => $options['app_id'], 'call_id' => 0, 'v' => '1.0', ); // creates signature $response = http_build_query($resp_array); // sends the response and waits for success $xml = ''. base64_encode($response).''; send_xml($fp, $xml); if (!find_xmpp($fp, 'SUCCESS')) { return false; } // finishes auth process send_xml($fp, $STREAM_XML); if (!find_xmpp($fp,'STREAM:STREAM')) { return false; } if (!find_xmpp($fp, 'STREAM:FEATURES')) { return false; } send_xml($fp, $RESOURCE_XML); if (!find_xmpp($fp, 'JID')) { return false; } send_xml($fp, $SESSION_XML); if (!find_xmpp($fp, 'SESSION')) { return false; } // we made it! send_xml($fp, $CLOSE_XML); print ("Authentication complete
"); fclose($fp); return true; } //Gets access_token with xmpp_login permission function get_access_token($app_id, $app_secret, $my_url){ $code = $_REQUEST["code"]; if(empty($code)) { $dialog_url = "http://www.facebook.com/dialog/oauth?scope=xmpp_login". "&client_id=" . $app_id . "&redirect_uri=" . urlencode($my_url) ; echo(""); } $token_url = "https://graph.facebook.com/oauth/access_token?client_id=" . $app_id . "&redirect_uri=" . urlencode($my_url) . "&client_secret=" . $app_secret . "&code=" . $code; $access_token = file_get_contents($token_url); parse_str($access_token, $output); return($output['access_token']); } function _main() { print "Test platform connect for XMPP
"; $app_id='YOUR_APP_ID'; $app_secret='YOUR-APP_SECRET'; $my_url = "YOUR_APP_URL"; $uid = 'USER_ID'; $access_token = get_access_token($app_id,$app_secret,$my_url); print "access_token: ".$access_token."
"; $options = array( 'uid' => $uid, 'app_id' => $app_id, 'server' => 'chat.facebook.com', ); // prints options used print "server: ".$options['server']."
"; print "uid: ".$options['uid']."
"; print "app id: ".$options['app_id']."
"; if (xmpp_connect($options, $access_token)) { print "Done
"; } else { print "An error ocurred
"; } } _main();