bigbluebutton-Github/labs/bbb-api-php-legacy/bbb_api.php
2012-04-05 10:47:53 -04:00

588 lines
24 KiB
PHP
Executable File

<?php
/*
Copyright 2010 Blindside Networks
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Versions:
1.0 -- Initial version written by DJP
(email: djp [a t ] architectes DOT .org)
1.1 -- Updated by Omar Shammas and Sebastian Schneider
(email : omar DOT shammas [a t ] g m ail DOT com)
(email : seb DOT sschneider [ a t ] g m ail DOT com)
1.2 -- Updated by Omar Shammas
(email : omar DOT shammas [a t ] g m ail DOT com)
*/
function bbb_wrap_simplexml_load_file($url){
if (extension_loaded('curl')) {
$ch = curl_init() or die ( curl_error() );
$timeout = 10;
curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt( $ch, CURLOPT_URL, $url );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$data = curl_exec( $ch );
curl_close( $ch );
if($data)
return (new SimpleXMLElement($data));
else
return false;
}
return (simplexml_load_file($url));
}
/*
@param
$userName = userName AND meetingID (string)
$welcomeString = welcome message (string)
$modPW = moderator password (string)
$vPW = viewer password (string)
$voiceBridge = voice bridge (integer)
$logout = logout url (url)
*/
// create a meeting and return the url to join as moderator
// TODO::
// create some set methods
class BigBlueButton {
var $userName = array();
var $meetingID; // the meeting id
var $welcomeString;
// the next 2 fields are maybe not needed?!?
var $modPW; // the moderator password
var $attPW; // the attendee pw
var $securitySalt; // the security salt; gets encrypted with sha1
var $URL; // the url the bigbluebutton server is installed
var $sessionURL; // the url for the administrator to join the sessoin
var $userURL;
var $conferenceIsRunning = false;
// this constructor is used to create a BigBlueButton Object
// use this object to create servers
// Use is either 0 arguments or all 7 arguments
public function __construct() {
$numargs = func_num_args();
if( $numargs == 0 ) {
# echo "Constructor created";
}
// pass the information to the class variables
else if( $numargs >= 6 ) {
$this->userName = func_get_arg(0);
$this->meetingID = func_get_arg(1);
$this->welcomeString = func_get_arg(2);
$this->modPW = func_get_arg(3);
$this->attPW = func_get_arg(4);
$this->securitySalt = func_get_arg(5);
$this->URL = func_get_arg(6);
$arg_list = func_get_args();
#debug output for the number of arguments
# for ($i = 0; $i < $numargs; $i++) {
# echo "Argument $i is: " . $arg_list[$i] . "<br />\n";
# }
// $this->createMeeting( $this->userName, $this->meetingID, $this->welcomeString, $this->modPW, $this->attPW, $this->securitySalt, $this->URL );
// echo "Object created";
// echo '<br />';
}// end else if
}
//------------------------------------------------GET URLs-------------------------------------------------
/**
*This method returns the url to join the specified meeting.
*
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param username -- the display name to be used when the user joins the meeting
*@param PW -- the attendee or moderator password of the meeting
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*
*@return The url to join the meeting
*/
public function joinURL( $meetingID, $userName, $PW, $SALT, $URL ) {
$url_join = $URL."api/join?";
$params = 'meetingID='.urlencode($meetingID).'&fullName='.urlencode($userName).'&password='.urlencode($PW);
return ($url_join.$params.'&checksum='.sha1("join".$params.$SALT) );
}
/**
*This method returns the url to join the specified meeting.
*
*@param name -- a name fot the meeting
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param attendeePW -- the attendee of the meeting
*@param moderatorPW -- the moderator of the meeting
*@param welcome -- the welcome message that gets displayed on the chat window
*@param logoutURL -- the URL that the bbb client will go to after users logouut
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*
*@return The url to join the meeting
*/
public function createMeetingURL($name, $meetingID, $attendeePW, $moderatorPW, $welcome, $logoutURL, $SALT, $URL ) {
$url_create = $URL."api/create?";
$voiceBridge = 70000 + rand(0, 9999);
$params = 'name='.urlencode($name).'&meetingID='.urlencode($meetingID).'&attendeePW='.urlencode($attendeePW).'&moderatorPW='.urlencode($moderatorPW).'&voiceBridge='.$voiceBridge.'&logoutURL='.urlencode($logoutURL);
if( trim( $welcome ) )
$params .= '&welcome='.urlencode($welcome);
return ( $url_create.$params.'&checksum='.sha1("create".$params.$SALT) );
}
/**
*This method returns the url to check if the specified meeting is running.
*
*@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 The url to check if the specified meeting is running.
*/
public function isMeetingRunningURL( $meetingID, $URL, $SALT ) {
$base_url = $URL."api/isMeetingRunning?";
$params = 'meetingID='.urlencode($meetingID);
return ($base_url.$params.'&checksum='.sha1("isMeetingRunning".$params.$SALT) );
}
/**
*This method returns the url to getMeetingInfo of the specified meeting.
*
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param modPW -- the moderator password of the meeting
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*
*@return The url to check if the specified meeting is running.
*/
public function getMeetingInfoURL( $meetingID, $modPW, $URL, $SALT ) {
$base_url = $URL."api/getMeetingInfo?";
$params = 'meetingID='.urlencode($meetingID).'&password='.urlencode($modPW);
return ( $base_url.$params.'&checksum='.sha1("getMeetingInfo".$params.$SALT));
}
/**
*This method returns the url for listing all meetings in the bigbluebutton server.
*
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*
*@return The url of getMeetings.
*/
public function getMeetingsURL($URL, $SALT) {
$base_url = $URL."api/getMeetings?";
$params = 'random='.(rand() * 1000 );
return ( $base_url.$params.'&checksum='.sha1("getMeetings".$params.$SALT));
}
/**
*This method returns the url to end the specified meeting.
*
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param modPW -- the moderator password of the meeting
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*
*@return The url to end the specified meeting.
*/
public function endMeetingURL( $meetingID, $modPW, $URL, $SALT ) {
$base_url = $URL."api/end?";
$params = 'meetingID='.urlencode($meetingID).'&password='.urlencode($modPW);
return ( $base_url.$params.'&checksum='.sha1("end".$params.$SALT) );
}
//-----------------------------------------------CREATE----------------------------------------------------
/**
*This method creates a meeting and returnS the join url for moderators.
*
*@param username
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param welcomeString -- the welcome message to be displayed when a user logs in to the meeting
*@param mPW -- the moderator password of the meeting
*@param aPW -- the attendee password of the meeting
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*@param logoutURL -- the url the user should be redirected to when they logout of bigbluebutton
*
*@return The joinURL if successful or an error message if unsuccessful
*/
public function createMeetingAndGetJoinURL( $username, $meetingID, $welcomeString, $mPW, $aPW, $SALT, $URL, $logoutURL ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::createMeetingURL($username, $meetingID, $aPW, $mPW, $welcomeString, $logoutURL, $SALT, $URL ) );
if( $xml && $xml->returncode == 'SUCCESS' ) {
return ( BigBlueButton::joinURL( $meetingID, $username, $mPW, $SALT, $URL ) );
}
else if( $xml ) {
return ( $xml->messageKey.' : '.$xml->message );
}
else {
return ('Unable to fetch URL '.$url_create.$params.'&checksum='.sha1("create".$params.$SALT) );
}
}
/**
*This method creates a meeting and return an array of the xml packet
*
*@param username
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param welcomeString -- the welcome message to be displayed when a user logs in to the meeting
*@param mPW -- the moderator password of the meeting
*@param aPW -- the attendee password of the meeting
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*@param logoutURL -- the url the user should be redirected to when they logout of bigbluebutton
*
*@return
* - Null if unable to reach the bigbluebutton server
* - If failed it returns an array containing a returncode, messageKey, message.
* - If success it returns an array containing a returncode, messageKey, message, meetingID, attendeePW, moderatorPW, hasBeenForciblyEnded.
*/
public function createMeetingArray( $username, $meetingID, $welcomeString, $mPW, $aPW, $SALT, $URL, $logoutURL ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::createMeetingURL($username, $meetingID, $aPW, $mPW, $welcomeString, $logoutURL, $SALT, $URL ) );
if( $xml ) {
if($xml->meetingID) return array('returncode' => $xml->returncode, 'message' => $xml->message, 'messageKey' => $xml->messageKey, 'meetingID' => $xml->meetingID, 'attendeePW' => $xml->attendeePW, 'moderatorPW' => $xml->moderatorPW, 'hasBeenForciblyEnded' => $xml->hasBeenForciblyEnded );
else return array('returncode' => $xml->returncode, 'message' => $xml->message, 'messageKey' => $xml->messageKey );
}
else {
return null;
}
}
//-------------------------------------------getMeetingInfo---------------------------------------------------
/**
*This method calls the getMeetingInfo on the bigbluebutton server and returns an xml packet.
*
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param modPW -- the moderator password of the meeting
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*
*@return An xml packet.
* If failed it returns an xml packet containing a returncode, messagekey, and message.
* If success it returnsan xml packet containing a returncode,
*/
public function getMeetingInfo( $meetingID, $modPW, $URL, $SALT ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::getMeetingInfoURL( $meetingID, $modPW, $URL, $SALT ) );
if($xml){
return ( str_replace('</response>', '', str_replace("<?xml version=\"1.0\"?>\n<response>", '', $xml->asXML())));
}
return false;
}
/**
*This method calls the getMeetingInfo on the bigbluebutton server and returns an array.
*
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param modPW -- the moderator password of the meeting
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*
*@return An Array.
* - Null if unable to reach the bigbluebutton server
* - If failed it returns an array containing a returncode, messagekey, message.
* - If success it returns an array containing a meetingID, moderatorPW, attendeePW, hasBeenForciblyEnded, running, startTime, endTime,
participantCount, moderatorCount, attendees.
*/
public function getMeetingInfoArray( $meetingID, $modPW, $URL, $SALT ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::getMeetingInfoURL( $meetingID, $modPW, $URL, $SALT ) );
if( $xml && $xml->returncode == 'SUCCESS' && $xml->messageKey == null){//The meetings were returned
return array('returncode' => $xml->returncode, 'message' => $xml->message, 'messageKey' => $xml->messageKey );
}
else if($xml && $xml->returncode == 'SUCCESS'){ //If there were meetings already created
return array( 'meetingID' => $xml->meetingID, 'moderatorPW' => $xml->moderatorPW, 'attendeePW' => $xml->attendeePW, 'hasBeenForciblyEnded' => $xml->hasBeenForciblyEnded, 'running' => $xml->running, 'startTime' => $xml->startTime, 'endTime' => $xml->endTime, 'participantCount' => $xml->participantCount, 'moderatorCount' => $xml->moderatorCount, 'attendees' => $xml->attendees );
}
else if( ($xml && $xml->returncode == 'FAILED') || $xml) { //If the xml packet returned failure it displays the message to the user
return array('returncode' => $xml->returncode, 'message' => $xml->message, 'messageKey' => $xml->messageKey);
}
else { //If the server is unreachable, then prompts the user of the necessary action
return null;
}
}
//-----------------------------------------------getMeetings------------------------------------------------------
/**
*This method calls getMeetings on the bigbluebutton server, then calls getMeetingInfo for each meeting and concatenates the result.
*
*@param URL -- the url of the bigbluebutton server
*@param SALT -- the security salt of the bigbluebutton server
*
*@return
* - If failed then returns a boolean of false.
* - If succeeded then returns an xml of all the meetings.
*/
public function getMeetings( $URL, $SALT ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::getMeetingsURL( $URL, $SALT ) );
if( $xml && $xml->returncode == 'SUCCESS' ) {
if( $xml->messageKey )
return ( $xml->message->asXML() );
ob_start();
echo '<meetings>';
if( count( $xml->meetings ) && count( $xml->meetings->meeting ) ) {
foreach ($xml->meetings->meeting as $meeting)
{
echo '<meeting>';
echo BigBlueButton::getMeetingInfo($meeting->meetingID, $meeting->moderatorPW, $URL, $SALT);
echo '</meeting>';
}
}
echo '</meetings>';
return (ob_get_clean());
}
else {
return (false);
}
}
/**
*This method calls getMeetings on the bigbluebutton server, then calls getMeetingInfo for each meeting and concatenates the result.
*
*@param URL -- the url of the bigbluebutton server
*@param SALT -- the security salt of the bigbluebutton server
*
*@return
* - Null if the server is unreachable
* - If FAILED then returns an array containing a returncode, messageKey, message.
* - If SUCCESS then returns an array of all the meetings. Each element in the array is an array containing a meetingID,
moderatorPW, attendeePW, hasBeenForciblyEnded, running.
*/
public function getMeetingsArray( $URL, $SALT ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::getMeetingsURL( $URL, $SALT ) );
if( $xml && $xml->returncode == 'SUCCESS' && $xml->messageKey ) {//The meetings were returned
return array('returncode' => $xml->returncode, 'message' => $xml->message, 'messageKey' => $xml->messageKey);
}
else if($xml && $xml->returncode == 'SUCCESS'){ //If there were meetings already created
foreach ($xml->meetings->meeting as $meeting)
{
//$meetings[] = BigBlueButton::getMeetingInfo($meeting->meetingID, $meeting->moderatorPW, $URL, $SALT);
$meetings[] = array( 'meetingID' => $meeting->meetingID, 'moderatorPW' => $meeting->moderatorPW, 'attendeePW' => $meeting->attendeePW, 'hasBeenForciblyEnded' => $meeting->hasBeenForciblyEnded, 'running' => $meeting->running );
}
return $meetings;
}
else if( $xml ) { //If the xml packet returned failure it displays the message to the user
return array('returncode' => $xml->returncode, 'message' => $xml->message, 'messageKey' => $xml->messageKey);
}
else { //If the server is unreachable, then prompts the user of the necessary action
return null;
}
}
//----------------------------------------------getUsers---------------------------------------
/**
*This method prints the usernames of the attendees in the specified conference.
*
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param modPW -- the moderator password of the meeting
*@param URL -- the url of the bigbluebutton server
*@param SALT -- the security salt of the bigbluebutton server
*@param UNAME -- is a boolean to determine how the username is formatted when printed. Default if false.
*
*@return A boolean of true if the attendees were printed successfully and false otherwise.
*/
public function getUsers( $meetingID, $modPW, $URL, $SALT, $UNAME = false ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::getMeetingInfoURL( $meetingID, $modPW, $URL, $SALT ) );
if( $xml && $xml->returncode == 'SUCCESS' ) {
ob_start();
if( count( $xml->attendees ) && count( $xml->attendees->attendee ) ) {
foreach ( $xml->attendees->attendee as $attendee ) {
if( $UNAME == true ) {
echo "User name: ".$attendee->fullName.'<br />';
}
else {
echo $attendee->fullName.'<br />';
}
}
}
return (ob_end_flush());
}
else {
return (false);
}
}
/**
*This method returns an array of the attendees in the specified meeting.
*
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param modPW -- the moderator password of the meeting
*@param URL -- the url of the bigbluebutton server
*@param SALT -- the security salt of the bigbluebutton server
*
*@return
* - Null if the server is unreachable.
* - If FAILED, returns an array containing a returncode, messageKey, message.
* - If SUCCESS, returns an array of array containing the userID, fullName, role of each attendee
*/
public function getUsersArray( $meetingID, $modPW, $URL, $SALT ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::getMeetingInfoURL( $meetingID, $modPW, $URL, $SALT ) );
if( $xml && $xml->returncode == 'SUCCESS' && $xml->messageKey == null ) {//The meetings were returned
return array('returncode' => $xml->returncode, 'message' => $xml->message, 'messageKey' => $xml->messageKey);
}
else if($xml && $xml->returncode == 'SUCCESS'){ //If there were meetings already created
foreach ($xml->attendees->attendee as $attendee){
$users[] = array( 'userID' => $attendee->userID, 'fullName' => $attendee->fullName, 'role' => $attendee->role );
}
return $users;
}
else if( $xml ) { //If the xml packet returned failure it displays the message to the user
return array('returncode' => $xml->returncode, 'message' => $xml->message, 'messageKey' => $xml->messageKey);
}
else { //If the server is unreachable, then prompts the user of the necessary action
return null;
}
}
//------------------------------------------------Other Methods------------------------------------
/**
*This method calls end meeting on the specified meeting in the bigbluebutton server.
*
*@param meetingID -- the unique meeting identifier used to store the meeting in the bigbluebutton server
*@param modPW -- the moderator password of the meeting
*@param SALT -- the security salt of the bigbluebutton server
*@param URL -- the url of the bigbluebutton server
*
*@return
* - Null if the server is unreachable
* - An array containing a returncode, messageKey, message.
*/
public function endMeeting( $meetingID, $modPW, $URL, $SALT ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::endMeetingURL( $meetingID, $modPW, $URL, $SALT ) );
if( $xml ) { //If the xml packet returned failure it displays the message to the user
return array('returncode' => $xml->returncode, 'message' => $xml->message, 'messageKey' => $xml->messageKey);
}
else { //If the server is unreachable, then prompts the user of the necessary action
return null;
}
}
/**
*This method check the BigBlueButton server to see if the meeting is running (i.e. there is someone in the meeting)
*
*@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 A boolean of true if the meeting is running and false if it is not running
*/
public function isMeetingRunning( $meetingID, $URL, $SALT ) {
$xml = bbb_wrap_simplexml_load_file( BigBlueButton::isMeetingRunningURL( $meetingID, $URL, $SALT ) );
if( $xml && $xml->returncode == 'SUCCESS' )
return ( ( $xml->running == 'true' ) ? true : false);
else
return ( false );
}
/**
*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';
}
// TODO: WRITE AN ITERATOR WHICH GOES OVER WHATEVER IT IS BEING TOLD IN THE API AND LIST INFORMATION
/* we have to define at least 2 variable fields for getInformation to read out information at any position
The first is: An identifier to chose if we look for attendees or the meetings or something else
The second is: An identifier to chose what integrated functions are supposed to be used
@param IDENTIFIER -- needs to be put in for the function to identify the information to print out
current values which can be used are 'attendee' and 'meetings'
@param meetingID -- needs to be put in to identify the meeting
@param modPW -- needs to be put in if the users are supposed to be shown or to retrieve information about the meetings
@param URL -- needs to be put in the URL to the bigbluebutton server
@param SALT -- needs to be put in for the security salt calculation
Note: If 'meetings' is used, then only the parameters URL and SALT needs to be used
If 'attendee' is used, then all the parameters needs to be used
*/
public function getInformation( $IDENTIFIER, $meetingID, $modPW, $URL, $SALT ) {
// if the identifier is null or '', then return false
if( $IDENTIFIER == "" || $IDENTIFIER == null ) {
echo "You need to type in a valid value into the identifier.";
return false;
}
// if the identifier is attendee, call getUsers
else if( $IDENTIFIER == 'attendee' ) {
return BigBlueButton::getUsers( $meetingID, $modPW, $URL, $SALT );
}
// if the identifier is meetings, call getMeetings
else if( $IDENTIFIER == 'meetings' ) {
return BigBlueButton::getMeetings( $URL, $SALT );
}
// return nothing
else {
return true;
}
}
function getServerIP() {
// get the server url
$sIP = $_SERVER['SERVER_ADDR'];
return $serverIP = 'http://'.$sIP.'/bigbluebutton/';
}
}
?>