/**
*This method calls isMeetingRunning on the BigBlueButton server.
*
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*
*@return
* - If SUCCESS it returns an xml packet
* - If the FAILED or the server is unreachable returns a string of 'false'
*/
public function getMeetingXML( $meetingID, $URL, $SALT ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::isMeetingRunningURL( $meetingID, $URL, $SALT ) );
if( $xml && $xml->returncode == 'SUCCESS')
return ( str_replace('</response>', '', str_replace("<?xml version=\"1.0\"?>\n<response>", '', $xml->asXML())));
else
return 'false';
}
function join($params)
{
$meetingName = JRequest::getVar('meetingName');
$name = JRequest::getVar('display_name');
$pwd = JRequest::getVar('pwd');
$query = "SELECT * FROM #__bbb WHERE meetingName ='" . $meetingName . "'";
$db =& JFactory::getDBO();
$db->setQuery($query);
$meeting = $db->loadObject();
if (!$meeting || $meeting == null) {
$msg['message'] = "This meeting no longer exists.";
return $msg;
}
if ($meeting->moderatorPW != $pwd && $meeting->attendeePW != $pwd) {
$msg['message'] = "Incorrect Password.";
return $msg;
}
// This is the security salt that must match the value set in the BigBlueButton server
// This is the URL for the BigBlueButton server
$query = "SELECT * FROM #__bbb_settings WHERE name = 'salt'";
$db->setQuery($query);
$salt = $db->loadObject();
$query = "SELECT * FROM #__bbb_settings WHERE name = 'url'";
$db->setQuery($query);
$url = $db->loadObject();
if (!$salt || $salt->varValue == '' || !$url || $url->varValue == '') {
$msg['message'] = "You have to fill out the salt and url in the settings menu before you can join a meeting.";
return $msg;
}
for (;;) {
$response = BigBlueButton::createMeetingArray($name, $meeting->meetingName . "[" . $meeting->meetingVersion . "]", 'Welcome to ' . $meeting->meetingName . '.', $meeting->moderatorPW, $meeting->attendeePW, $salt->varValue, $url->varValue, JURI::base());
//Analyzes the bigbluebutton server's response
if (!$response) {
//If the server is unreachable, then prompts the user of the necessary action
$msg['message'] = "Unable to join the meeting. Please check the url of the bigbluebutton server AND check to see if the bigbluebutton server is running.";
return $msg;
} else {
if ($response['returncode'] == 'FAILED' && $response['messageKey'] != 'idNotUnique') {
//The meeting was not created
if ($response['messageKey'] == 'checksumError') {
$msg['message'] = "A checksum error occured. Make sure you entered the correct salt.";
} else {
$msg['message'] = $response['message'];
}
return $msg;
} else {
if ($response['messageKey'] == 'idNotUnique' || $response['hasBeenForciblyEnded'] == 'true') {
$meeting->meetingVersion = time();
$db->updateObject('#__bbb', $meeting, 'id', false);
if ($db->getErrorNum()) {
$msg['message'] = $db->getErrorMsg();
return $msg;
}
} else {
//The meeting was created, and the user will now be joined
$bbb_joinURL = BigBlueButton::joinURL($meeting->meetingName . "[" . $meeting->meetingVersion . "]", $name, $pwd, $salt->varValue, $url->varValue);
if ($meeting->waitForModerator == 'yes' && $meeting->moderatorPW != $pwd && !BigBlueButton::isMeetingRunning($meeting->meetingName . "[" . $meeting->meetingVersion . "]", $url->varValue, $salt->varValue)) {
$msg['message'] = "redirect";
$msg['bbb_joinURL'] = $bbb_joinURL;
$msg['name'] = $name;
//$msg['meetingID'] = urlencode($meeting->meetingName."[".$meeting->meetingVersion."]");
$msg['meetingID'] = BigBlueButton::isMeetingRunningURL($meeting->meetingName . "[" . $meeting->meetingVersion . "]", $url->varValue, $salt->varValue);
return $msg;
}
?>
<script type="text/javascript"> window.location = "<?php
echo $bbb_joinURL;
?>
";</script><?php
return;
}
}
}
}
}
$step = 4;
$checkMeetingStatus = BigBlueButton::getMeetingInfoURL($_REQUEST['meetingID'], 'mp', $url, $salt);
}
} else {
if (!$_REQUEST['username']) {
$msg = "You must enter your name.";
$step = 3;
}
}
break;
case 'isMeetingRunning':
/*
* This function proxy the request "isMeetingRunning" through PHP Script to BBB Server so we don't have any AJAX security issue
*/
ob_clean();
$checkMeetingStatus = BigBlueButton::isMeetingRunningURL($_REQUEST['meetingID'], $url, $salt);
echo file_get_contents($checkMeetingStatus);
die;
break;
case 'join':
/*
* We have an invite request to join an existing meeting and the meeting is running
* We don't need to pass a meeting description as it's already been set by the first time the meeting was created.
*/
$bbb_joinURL = BigBlueButton::joinURL($_REQUEST['meetingID'], $_REQUEST['username'], "ap", $salt, $url);
?>
<script language="javascript" type="text/javascript">window.location.href="<?php
echo $bbb_joinURL;
?>
";</script>
<?php
