Merge pull request #105 from jfederico/master

bbb-lti_v0.1.1.

.gitignore

@@ -5,3 +5,10 @@ bigbluebutton-client/.actionScriptProperties
 bigbluebutton-client/.flexProperties
 push_to_git.py
 */.gradle
+.gitignore
+bbb-lti/.classpath
+bbb-lti/.project
+bbb-lti/bin
+bbb-lti/lti-0.1.1.war
+bbb-lti/make.sh
+bbb-lti/deploy.sh

bbb-lti/application.properties

@@ -1,6 +1,6 @@
 #utf-8
 #Wed Oct 10 08:34:02 PDT 2012
-app.version=0.1
+app.version=0.1.1
 app.servlet.version=2.4
 app.grails.version=1.1.1
 plugins.hibernate=1.1.1

bbb-lti/grails-app/conf/Config.groovy

@@ -87,6 +87,7 @@ log4j = {
 
     warn   'org.mortbay.log'
     
+    'null' name:'stacktrace'
 }
 
 

bbb-lti/grails-app/conf/lti.properties

@@ -21,17 +21,23 @@
 # BigBlueButton integration information
 #----------------------------------------------------
 # This URL is where the BBB client is accessible. 
-bigbluebuttonURL=http://localhost/bigbluebutton
+#bigbluebuttonURL=http://localhost/bigbluebutton
+bigbluebuttonURL=http://192.168.0.153/bigbluebutton
 # Salt which is used by 3rd-party apps to authenticate api calls
-bigbluebuttonSalt=bbb_salt
+#bigbluebuttonSalt=bbb_salt
+bigbluebuttonSalt=e1f2f284119d5754cef6c80ba1e2f393
 
 # LTI basic information
 #----------------------------------------------------
 # This URL is where the LTI plugin is accessible. It can be a different server than the BigBluebutton one 
-ltiEndPoint=http://localhost/lti/tool.xml
+#ltiEndPoint=http://localhost/lti/tool
+ltiEndPoint=http://192.168.0.153/lti/tool
 # The list of consumers allowed to access this lti service.
-# Format: [consumerId:sharedSecret]
+# Format: {consumerId1:sharedSecret1}[,consumerId2:sharedSecret2]
 ltiConsumers=bbb:lti_secret
+# The mode used to interact with BigBlueButton
+# Format: [<simple>|extended]
+ltiMode=extended
 
 #----------------------------------------------------
 # Inject configuration values into BigbluebuttonSrvice beans
@@ -42,4 +48,5 @@ beans.bigbluebuttonService.salt=${bigbluebuttonSalt}
 # Inject configuration values into LtiSrvice beans
 beans.ltiService.endPoint=${ltiEndPoint}
 beans.ltiService.consumers=${ltiConsumers}
+beans.ltiService.mode=${ltiMode}
 

bbb-lti/grails-app/controllers/ToolController.groovy

@@ -36,134 +36,219 @@ class ToolController {
     private static final String CONTROLLER_NAME = 'ToolController'
     private static final String RESP_CODE_SUCCESS = 'SUCCESS'
     private static final String RESP_CODE_FAILED = 'FAILED'
+    private static final String REQUEST_METHOD = "request_method";
     
     LtiService ltiService
     BigbluebuttonService bigbluebuttonService
     
     def index = { 
         if( ltiService.consumerMap == null) ltiService.initConsumerMap()
-        log.debug CONTROLLER_NAME + "#index" + ltiService.consumerMap
-        log.debug params
+        log.debug CONTROLLER_NAME + "#index"
         
-        def resultMessageKey = "init"
-        def resultMessage = "init"
-        def success = false
-        def consumer
+        params.put(REQUEST_METHOD, request.getMethod().toUpperCase())
+        log.debug "params: " + params
+        
+        Map<String, String> result = new HashMap<String, String>()
         ArrayList<String> missingParams = new ArrayList<String>()
         log.debug "Checking for required parameters"
         if (hasAllRequiredParams(params, missingParams)) {
             def sanitizedParams = sanitizePrametersForBaseString(params)
-
-            consumer = ltiService.getConsumer(params.get(Parameter.CONSUMER_ID))
+            def consumer = ltiService.getConsumer(params.get(Parameter.CONSUMER_ID))
             if (consumer != null) {
                 log.debug "Found consumer with key " + consumer.get("key") //+ " and sharedSecret " + consumer.get("secret")
-                if (checkValidSignature(request.getMethod().toUpperCase(), retrieveLtiEndpoint(), consumer.get("secret"), sanitizedParams, params.get(Parameter.OAUTH_SIGNATURE))) {
+                if (checkValidSignature(params.get(REQUEST_METHOD), ltiService.endPoint, consumer.get("secret"), sanitizedParams, params.get(Parameter.OAUTH_SIGNATURE))) {
                     log.debug  "The message has a valid signature."
                     
-                    String locale = params.get(Parameter.LAUNCH_LOCALE)
-                    locale = (locale == null || locale.equals("")?"en":locale)
-                    log.debug "Locale code =" + locale
-                    String[] localeCodes = locale.split("_")
-                    //Localize the default welcome message
-                    if( localeCodes.length > 1 )
-                        session['org.springframework.web.servlet.i18n.SessionLocaleResolver.LOCALE'] = new Locale(localeCodes[0], localeCodes[1])
-                    else
-                        session['org.springframework.web.servlet.i18n.SessionLocaleResolver.LOCALE'] = new Locale(localeCodes[0])
-                    
-                    log.debug "Locale has been set to " + locale
-                    String welcome = message(code: "bigbluebutton.welcome", args: ["\"{0}\"", "\"{1}\""])
-                    log.debug "Localized default welcome message: [" + welcome + "]"
-
-					// Check for [custom_]welcome parameter being passed from the LTI
-					if (params.get(Parameter.CUSTOM_WELCOME) != null) {
-						log.debug "A custom welcome message has been provided"
-						welcome = params.get(Parameter.CUSTOM_WELCOME)
-						log.debug "Overriding default welcome message with: [" + welcome + "]"
-					}
-
-            		// Detect if the LTI has requested recording
-					if (params.get(Parameter.CUSTOM_RECORD) == "true") {
-						log.debug "This session will be recorded!"
-					}
-					
-                    //String destinationURL = "http://www.bigbluebutton.org/"
-                    String destinationURL = bigbluebuttonService.getJoinURL(params, welcome)
-                    
-                    log.debug "redirecting to " + destinationURL
-                    if( destinationURL != null ) {
-                        success = true
-                        redirect(url:destinationURL)
+                    if( !"extended".equals(ltiService.mode) ) {
+                        log.debug  "LTI service running in simple mode."
+                        result = doJoinMeeting(params)
                     } else {
-                        resultMessageKey = 'BigBlueButtonServerError'
-                        resultMessage = "The join could not be completed"
-                        log.debug resultMessage
+                        log.debug  "LTI service running in extended mode."
                     }
-
+                    
                 } else {
-                    resultMessageKey = 'InvalidSignature'
-                    resultMessage = "Invalid signature (" + params.get(Parameter.OAUTH_SIGNATURE) + ")."
-                    log.debug resultMessage
+                    result.put("resultMessageKey", "InvalidSignature")
+                    result.put("resultMessage", "Invalid signature (" + params.get(Parameter.OAUTH_SIGNATURE) + ").")
                 }
                 
             } else {
-                resultMessageKey = 'CustomerNotFound'
-                resultMessage = "Customer with id = " + params.get(Parameter.CONSUMER_ID) + " was not found."
-                log.debug resultMessage
+                result.put("resultMessageKey", "ConsumerNotFound")
+                result.put("resultMessage", "Consumer with id = " + params.get(Parameter.CONSUMER_ID) + " was not found.")
             }
 
         } else {
-            resultMessageKey = 'MissingRequiredParameter'
             String missingStr = ""
-            for(String str:missingParams)
+            for(String str:missingParams) {
                 missingStr += str + ", ";
-
-            resultMessage = "Missing parameters [$missingStr]"
-            log.debug resultMessage
-        }
-
-        if (!success) {
-            log.debug "Error"
-            response.addHeader("Cache-Control", "no-cache")
-            withFormat {
-                xml {
-                    render(contentType:"text/xml") {
-                        response() {
-                            returncode(success)
-                            messageKey(resultMessageKey)
-                            message(resultMessage)
-                        }
-                    }
-                }
             }
-
-        } 
+            result.put("resultMessageKey", "MissingRequiredParameter")
+            result.put("resultMessage", "Missing parameters [$missingStr]")
+        }
         
-
+        
+        if( result != null && result.containsKey("resultMessageKey") ) {
+            log.debug "Error [resultMessageKey:'" + result.get("resultMessageKey") + "', resultMessage:'" + result.get("resultMessage") + "']"
+            render(view: "error", model: ['resultMessageKey': result.get("resultMessageKey"), 'resultMessage': result.get("resultMessage")])
+            
+        } else {
+            session["params"] = params
+            List<Object> recordings = bigbluebuttonService.getRecordings(params)
+            render(view: "index", model: ['params': params, 'recordingList': recordings, 'ismoderator': bigbluebuttonService.isModerator(params)])
+        }
     }
     
-    def test = {
-        log.debug CONTROLLER_NAME + "#index"
+    def view = {
+        if( ltiService.consumerMap == null) ltiService.initConsumerMap()
+        log.debug CONTROLLER_NAME + "#view" + ltiService.consumerMap
+        Map<String, String> result
         
-        response.addHeader("Cache-Control", "no-cache")
-        withFormat {
-            xml {
-                render(contentType:"text/xml") {
-                    response() {
-                        returncode(false)
-                        messageKey('RequestInvalid')
-                        message('The request is not supported.')
-                    }
-                }
-            }
+        def sessionParams = session["params"]
+        log.debug "params: " + params
+        log.debug "sessionParams: " + sessionParams
+
+        if( sessionParams == null ) {
+            result = new HashMap<String, String>()
+            result.put("resultMessageKey", "InvalidSession")
+            result.put("resultMessage", "Session is invalid user cannot execute this action.")
+        } else if( !"extended".equals(ltiService.mode) ){
+            result = new HashMap<String, String>()
+            result.put("resultMessageKey", "SimpleMode")
+            result.put("resultMessage", "LTI service running in simple mode.")
+        }
+        
+        if( result != null ) {
+            log.debug "Error [resultMessageKey:'" + result.get("resultMessageKey") + "', resultMessage:'" + result.get("resultMessage") + "']"
+            render(view: "error", model: ['resultMessageKey': result.get("resultMessageKey"), 'resultMessage': result.get("resultMessage")])
+            
+        } else {
+            List<Object> recordings = bigbluebuttonService.getRecordings(sessionParams)
+            render(view: "index", model: ['params': params, 'recordingList': recordings, 'ismoderator':bigbluebuttonService.isModerator(sessionParams)])
+        }
+    }
+
+    
+    def join = {
+        if( ltiService.consumerMap == null) ltiService.initConsumerMap()
+        log.debug CONTROLLER_NAME + "#join"
+        Map<String, String> result
+        
+        def sessionParams = session["params"]
+        
+        if( sessionParams != null ) {
+            log.debug "params: " + params
+            log.debug "sessionParams: " + sessionParams
+            result = doJoinMeeting(sessionParams)
+        } else {
+            result = new HashMap<String, String>()
+            result.put("resultMessageKey", "InvalidSession")
+            result.put("resultMessage", "Invalid session. User can not execute this action.")
+        } 
+        
+        if( result.containsKey("resultMessageKey")) {
+            log.debug "Error [resultMessageKey:'" + result.get("resultMessageKey") + "', resultMessage:'" + result.get("resultMessage") + "']"
+            render(view: "error", model: ['resultMessageKey': result.get("resultMessageKey"), 'resultMessage': result.get("resultMessage")])
         }
 
     }
 
-    private String retrieveLtiEndpoint() {
-        String endPoint = ltiService.endPoint
-        return endPoint
+    def publish = {
+        log.debug CONTROLLER_NAME + "#publish"
+        Map<String, String> result
+        
+        def sessionParams = session["params"]
+        
+        if( sessionParams == null ) {
+            result = new HashMap<String, String>()
+            result.put("resultMessageKey", "InvalidSession")
+            result.put("resultMessage", "Invalid session. User can not execute this action.")
+        } else if ( !bigbluebuttonService.isModerator(sessionParams) ) {
+            result = new HashMap<String, String>()
+            result.put("resultMessageKey", "NotAllowed")
+            result.put("resultMessage", "User not allowed to execute this action.")
+        } else {
+            log.debug "params: " + params
+            log.debug "sessionParams: " + sessionParams
+            
+            //Execute the publish command
+            result = bigbluebuttonService.doPublishRecordings(params)
+        } 
+        
+        if( result.containsKey("resultMessageKey")) {
+            log.debug "Error [resultMessageKey:'" + result.get("resultMessageKey") + "', resultMessage:'" + result.get("resultMessage") + "']"
+            render(view: "error", model: ['resultMessageKey': result.get("resultMessageKey"), 'resultMessage': result.get("resultMessage")])
+        } else {
+            //String destinationURL = createLink(controller:"tool", action:"view", params:"[foo: 'bar', boo: 'far']") 
+            String destinationURL = createLink(controller:"tool", action:"view") 
+            log.debug "destinationURL=[" + destinationURL + "]"
+            redirect(url:destinationURL)
+        }
+
     }
 
+    def delete = {
+        log.debug CONTROLLER_NAME + "#delete"
+        Map<String, String> result
+        
+        def sessionParams = session["params"]
+        
+        if( sessionParams == null ) {
+            result = new HashMap<String, String>()
+            result.put("resultMessageKey", "InvalidSession")
+            result.put("resultMessage", "Invalid session. User can not execute this action.")
+        } else if ( !bigbluebuttonService.isModerator(sessionParams) ) {
+            result = new HashMap<String, String>()
+            result.put("resultMessageKey", "NotAllowed")
+            result.put("resultMessage", "User not allowed to execute this action.")
+        } else {
+            log.debug "params: " + params
+            log.debug "sessionParams: " + sessionParams
+            
+            //Execute the delete command
+            result = bigbluebuttonService.doDeleteRecordings(params)
+        }
+        
+        if( result.containsKey("resultMessageKey")) {
+            log.debug "Error [resultMessageKey:'" + result.get("resultMessageKey") + "', resultMessage:'" + result.get("resultMessage") + "']"
+            render(view: "error", model: ['resultMessageKey': result.get("resultMessageKey"), 'resultMessage': result.get("resultMessage")])
+        } else {
+            //String destinationURL = createLink(controller:"tool", action:"view", params:"[foo: 'bar', boo: 'far']")
+            String destinationURL = createLink(controller:"tool", action:"view")
+            log.debug "destinationURL=[" + destinationURL + "]"
+            redirect(url:destinationURL)
+        }
+
+    }
+
+    private Object doJoinMeeting(params) {
+        Map<String, String> result = new HashMap<String, String>()
+                    
+        String locale = params.get(Parameter.LAUNCH_LOCALE)
+        locale = (locale == null || locale.equals("")?"en":locale)
+        log.debug "Locale code =" + locale
+        String[] localeCodes = locale.split("_")
+        //Localize the default welcome message
+        if( localeCodes.length > 1 )
+            session['org.springframework.web.servlet.i18n.SessionLocaleResolver.LOCALE'] = new Locale(localeCodes[0], localeCodes[1])
+        else
+            session['org.springframework.web.servlet.i18n.SessionLocaleResolver.LOCALE'] = new Locale(localeCodes[0])
+                    
+        log.debug "Locale has been set to " + locale
+        String welcome = message(code: "bigbluebutton.welcome", args: ["\"{0}\"", "\"{1}\""])
+        log.debug "Localized default welcome message: [" + welcome + "]"
+           
+        String destinationURL = bigbluebuttonService.getJoinURL(params, welcome, ltiService.mode)
+        log.debug "redirecting to " + destinationURL
+                    
+        if( destinationURL != null ) {
+            redirect(url:destinationURL)
+        } else {
+            result.put("resultMessageKey", "BigBlueButtonServerError")
+            result.put("resultMessage", "The join could not be completed")
+        }
+        
+        return result
+    }
+        
     /**
      * Assemble all parameters passed that is required to sign the request.
      * @param the HTTP request parameters
@@ -179,6 +264,9 @@ class ToolController {
             } else if (key == "oauth_signature") {
                 // We don't need this as part of the base string
                 continue
+            } else if (key == "request_method") {
+                // As this is was added by the controller, we don't want it as part of the base string
+                continue
             }
 
             reqProp.setProperty(key, ((Map<String, String>)params).get(key));
@@ -205,6 +293,11 @@ class ToolController {
             hasAllParams = false;
         }
 
+        if (! ((Map<String, String>)params).containsKey(Parameter.RESOURCE_LINK_ID)) {
+            ((ArrayList<String>)missingParams).add(Parameter.RESOURCE_LINK_ID);
+            hasAllParams = false;
+        }
+
         return hasAllParams
     }
 

bbb-lti/grails-app/i18n/messages.properties

@@ -17,3 +17,4 @@
 #
 
 bigbluebutton.welcome=<br>Welcome to <b>{0}</b>!<br><br>To understand how BigBlueButton works see our <a href=\"event:http://www.bigbluebutton.org/content/videos\"><u>tutorial videos</u></a>.<br><br>To join the audio bridge click the headset icon (upper-left hand corner). <b>Please use a headset to avoid causing noise for others.</b>
+bigbluebutton.join=Join Meeting

bbb-lti/grails-app/i18n/messages_es.properties

@@ -17,3 +17,4 @@
 #
 
 bigbluebutton.welcome=<br>Bienvenido a <b>{0}</b>!<br><br>Para entender como funciona BigBlueButton consulte estos <a href=\"event:http://www.bigbluebutton.org/content/videos\"><u>videos tutoriales</u></a>.<br><br>Para activar el audio haga click en el icono de auricular (equina superior izquierda). <b>Por favor utilice auricular para evitar causar ruido.</b>
+bigbluebutton.join=Ingresar a la sesión

bbb-lti/grails-app/i18n/messages_fr.properties

@@ -17,3 +17,4 @@
 #
 
 bigbluebutton.welcome=<br>Bienvenue au <b>{0}</b>!<br><br>Pour comprendre comment fonctionne BigBlueButton, consultez les <a href=\"event:http://www.bigbluebutton.org/content/videos\"><u>didacticiels vidéo</u></a>.<br><br>Pour activer l'audio cliquez sur l'icône du casque à écouteurs (coin supérieur gauche). <b>S'il vous plaît utiliser le casque pour éviter de causer du bruit.</b>
+bigbluebutton.join=Saisie de la réunion

bbb-lti/grails-app/services/BigbluebuttonService.groovy

@@ -70,7 +70,7 @@ class BigbluebuttonService {
     
     }
     
-    public String getJoinURL(params, welcome){
+    public String getJoinURL(params, welcome, mode){
         //Set the injected values
         if( !url.equals(bbbProxy.url) && !url.equals("") ) bbbProxy.setUrl(url)
         if( !salt.equals(bbbProxy.salt) && !salt.equals("") ) bbbProxy.setSalt(salt)
@@ -82,28 +82,36 @@ class BigbluebuttonService {
         String attendeePW = DigestUtils.shaHex("ap" + params.get(Parameter.RESOURCE_LINK_ID) + params.get(Parameter.CONSUMER_ID))
         String moderatorPW = DigestUtils.shaHex("mp" + params.get(Parameter.RESOURCE_LINK_ID) + params.get(Parameter.CONSUMER_ID))
         String logoutURL = getValidatedLogoutURL(params.get(Parameter.LAUNCH_RETURN_URL))
-        boolean isModerator = params.get(Parameter.ROLES) != null? Role.isModerator(params.get(Parameter.ROLES)): true
+        boolean isModerator = isModerator(params)
         String userFullName = getValidatedUserFullName(params, isModerator)
         String courseTitle = getValidatedCourseTitle(params.get(Parameter.COURSE_TITLE))
         String userID = getValidatedUserId(params.get(Parameter.USER_ID))
-        String record = getValidatedRecord(params.get(Parameter.CUSTOM_RECORD))
+        
+        Integer voiceBridge = 0
+        Boolean record = false
+        Integer duration = 0
+        if( "extended".equals(mode) ){
+            voiceBridge = getValidatedBBBVoiceBridge(params.get(Parameter.CUSTOM_BBB_VOICEBRIDGE))
+            record = getValidatedBBBRecord(params.get(Parameter.CUSTOM_BBB_RECORD))
+            duration = getValidatedBBBDuration(params.get(Parameter.CUSTOM_BBB_DURATION))
+        }
         
         String[] values = [meetingName, courseTitle]
         String welcomeMsg = MessageFormat.format(welcome, values)
         
         String meta = getMonitoringMetaData(params)
         
-        String createURL = getCreateURL( meetingName, meetingID, attendeePW, moderatorPW, welcomeMsg, logoutURL, record, meta )
-        //log.debug "createURL: " + createURL
+        String createURL = getCreateURL( meetingName, meetingID, attendeePW, moderatorPW, welcomeMsg, voiceBridge, logoutURL, record, duration, meta )
+        log.debug "createURL: " + createURL
         Map<String, Object> createResponse = doAPICall(createURL)
-        //log.debug "createResponse: " + createResponse
+        log.debug "createResponse: " + createResponse
 
         if( createResponse != null){
             String returnCode = (String) createResponse.get("returncode")
             String messageKey = (String) createResponse.get("messageKey")
             if ( Proxy.APIRESPONSE_SUCCESS.equals(returnCode) ||
                 (Proxy.APIRESPONSE_FAILED.equals(returnCode) &&  (Proxy.MESSAGEKEY_IDNOTUNIQUE.equals(messageKey) || Proxy.MESSAGEKEY_DUPLICATEWARNING.equals(messageKey)) ) ){
-                joinURL = bbbProxy.getJoinMeetingURL( userFullName, meetingID, isModerator? moderatorPW: attendeePW, (String) createResponse.get("createTime"), userID);
+                joinURL = bbbProxy.getJoinURL( userFullName, meetingID, isModerator? moderatorPW: attendeePW, (String) createResponse.get("createTime"), userID);
             }
         }
 
@@ -111,10 +119,82 @@ class BigbluebuttonService {
         
     }
     
-    private String getCreateURL(String name, String meetingID, String attendeePW, String moderatorPW, String welcome, String logoutURL, String record, String meta ) {
-        Integer voiceBridge = 70000 + new Random(System.currentTimeMillis()).nextInt(10000);
+    public Object getRecordings(params){
+        //Set the injected values
+        if( !url.equals(bbbProxy.url) && !url.equals("") ) bbbProxy.setUrl(url)
+        if( !salt.equals(bbbProxy.salt) && !salt.equals("") ) bbbProxy.setSalt(salt)
 
-        String url = bbbProxy.getCreateURL(name, meetingID, attendeePW, moderatorPW, welcome, "", voiceBridge.toString(), "", logoutURL, "", record, "", meta );
+        String meetingID = getValidatedMeetingId(params.get(Parameter.RESOURCE_LINK_ID), params.get(Parameter.CONSUMER_ID))
+        
+        String recordingsURL = bbbProxy.getGetRecordingsURL( meetingID )
+        log.debug "recordingsURL: " + recordingsURL
+        Map<String, Object> recordings = doAPICall(recordingsURL)
+
+        if( recordings != null){
+            String returnCode = (String) recordings.get("returncode")
+            String messageKey = (String) recordings.get("messageKey")
+            if ( Proxy.APIRESPONSE_SUCCESS.equals(returnCode) && messageKey == null ){
+                return recordings.get("recordings")
+            } 
+        }
+
+        return null
+    }
+
+    public Object doDeleteRecordings(params){
+        //Set the injected values
+        if( !url.equals(bbbProxy.url) && !url.equals("") ) bbbProxy.setUrl(url)
+        if( !salt.equals(bbbProxy.salt) && !salt.equals("") ) bbbProxy.setSalt(salt)
+
+        Map<String, Object> result
+        
+        String recordingId = getValidatedBBBRecordingId(params.get(Parameter.BBB_RECORDING_ID))
+        
+        if( !recordingId.equals("") ){
+            String deleteRecordingsURL = bbbProxy.getDeleteRecordingsURL( recordingId )
+            log.debug "deleteRecordingsURL: " + deleteRecordingsURL
+            result = doAPICall(deleteRecordingsURL)
+        } else {
+            result = new HashMap<String, String>()
+            result.put("resultMessageKey", "InvalidRecordingId")
+            result.put("resultMessage", "RecordingId is invalid. The recording can not be deleted.")
+        }
+
+        return result
+    }
+    
+    public Object doPublishRecordings(params){
+        //Set the injected values
+        if( !url.equals(bbbProxy.url) && !url.equals("") ) bbbProxy.setUrl(url)
+        if( !salt.equals(bbbProxy.salt) && !salt.equals("") ) bbbProxy.setSalt(salt)
+        
+        Map<String, Object> result
+
+        String recordingId = getValidatedBBBRecordingId(params.get(Parameter.BBB_RECORDING_ID))
+        String publish = getValidatedBBBRecordingPublished(params.get(Parameter.BBB_RECORDING_PUBLISHED))
+        
+        if( !recordingId.equals("") ){
+            String publishRecordingsURL = bbbProxy.getPublishRecordingsURL( recordingId, "true".equals(publish)?"false":"true" )
+            log.debug "publishRecordingsURL: " + publishRecordingsURL
+            result = doAPICall(publishRecordingsURL)
+        } else {
+            result = new HashMap<String, String>()
+            result.put("resultMessageKey", "InvalidRecordingId")
+            result.put("resultMessage", "RecordingId is invalid. The recording can not be deleted.")
+        }
+
+        return result
+    }
+    
+    public boolean isModerator(params) {
+        boolean isModerator = params.get(Parameter.ROLES) != null? Role.isModerator(params.get(Parameter.ROLES)): true
+        return isModerator
+    }
+    
+    private String getCreateURL(String name, String meetingID, String attendeePW, String moderatorPW, String welcome, Integer voiceBridge, String logoutURL, Boolean record, Integer duration, String meta ) {
+        voiceBridge = ( voiceBridge == null || voiceBridge == 0 )? 70000 + new Random(System.currentTimeMillis()).nextInt(10000): voiceBridge;
+
+        String url = bbbProxy.getCreateURL(name, meetingID, attendeePW, moderatorPW, welcome, "", voiceBridge.toString(), "", logoutURL, "", record.toString(), duration.toString(), meta );
         return url;
     }
     
@@ -122,8 +202,8 @@ class BigbluebuttonService {
         return (meetingName == null || meetingName == "")? "Meeting": meetingName
     }
     
-    private String getValidatedMeetingId(String meetingId, String consumerId){
-        return DigestUtils.shaHex(meetingId + consumerId)
+    private String getValidatedMeetingId(String resourceId, String consumerId){
+        return DigestUtils.shaHex(resourceId + consumerId)
     }
 
     private String getValidatedLogoutURL(String logoutURL){
@@ -157,10 +237,26 @@ class BigbluebuttonService {
     private String getValidatedUserId(String userId){
         return (userId == null)? "": userId
     }
-	
-	private String getValidatedRecord(String record){
-		return (record != "true")? "": record
-	}
+    
+    private Integer getValidatedBBBVoiceBridge(String voiceBridge){
+        return (voiceBridge != null )? voiceBridge.toInteger(): 0
+    }
+    
+    private Boolean getValidatedBBBRecord(String record){
+        return (record != null && record == "true")? true: false
+    }
+    
+    private Integer getValidatedBBBDuration(String duration){
+        return (duration != null )? duration.toInteger(): 0
+    }
+
+    private String getValidatedBBBRecordingId(String recordingId){
+        return (recordingId != null )? recordingId: ""
+    }
+
+    private String getValidatedBBBRecordingPublished(String published){
+        return (published != null && published.equals("true") )? "true": "false"
+    }
     
     private String getMonitoringMetaData(params){
         String meta
@@ -250,41 +346,40 @@ class BigbluebuttonService {
     }
     
     /** Get all nodes under the specified element tag name as a Java map */
-    private Map<String, Object> getNodesAsMap(Document dom, String elementTagName) {
+    protected Map<String, Object> getNodesAsMap(Document dom, String elementTagName) {
         Node firstNode = dom.getElementsByTagName(elementTagName).item(0);
         return processNode(firstNode);
     }
 
-    private Map<String, Object> processNode(Node _node) {
-        Map<String, Object> map = new LinkedHashMap<String, Object>();
+    protected Map<String, Object> processNode(Node _node) {
+        Map<String, Object> map = new HashMap<String, Object>();
         NodeList responseNodes = _node.getChildNodes();
         for (int i = 0; i < responseNodes.getLength(); i++) {
             Node node = responseNodes.item(i);
             String nodeName = node.getNodeName().trim();
-            if (node.getChildNodes().getLength() == 1 && node.getChildNodes().item(0).getNodeType() == org.w3c.dom.Node.TEXT_NODE) {
+            if (node.getChildNodes().getLength() == 1
+                    && ( node.getChildNodes().item(0).getNodeType() == org.w3c.dom.Node.TEXT_NODE || node.getChildNodes().item(0).getNodeType() == org.w3c.dom.Node.CDATA_SECTION_NODE) ) {
                 String nodeValue = node.getTextContent();
                 map.put(nodeName, nodeValue != null ? nodeValue.trim() : null);
-            } else if (node.getChildNodes().getLength() == 0 && node.getNodeType() != org.w3c.dom.Node.TEXT_NODE) {
+            
+            } else if (node.getChildNodes().getLength() == 0
+                    && node.getNodeType() != org.w3c.dom.Node.TEXT_NODE
+                    && node.getNodeType() != org.w3c.dom.Node.CDATA_SECTION_NODE) {
                 map.put(nodeName, "");
-            } else {
-                if( !map.containsKey(nodeName) ) {
-                    map.put(nodeName, processNode(node));
+            
+            } else if ( node.getChildNodes().getLength() >= 1
+                    && node.getChildNodes().item(0).getChildNodes().item(0).getNodeType() != org.w3c.dom.Node.TEXT_NODE
+                    && node.getChildNodes().item(0).getChildNodes().item(0).getNodeType() != org.w3c.dom.Node.CDATA_SECTION_NODE ) {
 
-                } else {
-                    Object curObject = map.get(nodeName);
-                    List<Object> list;
-                    
-                    if( curObject.getClass().equals(LinkedHashMap.class) ){
-                        list = new LinkedList<Object>();
-                        list.add(curObject);
-                        list.add(processNode(node));
-                        map.remove(nodeName);
-                        map.put(nodeName, list);
-                    } else {
-                        list = (List<Object>)curObject;
-                        list.add(processNode(node));
-                    }
+                List<Object> list = new ArrayList<Object>();
+                for (int c = 0; c < node.getChildNodes().getLength(); c++) {
+                    Node n = node.getChildNodes().item(c);
+                    list.add(processNode(n));
                 }
+                map.put(nodeName, list);
+            
+            } else {
+                map.put(nodeName, processNode(node));
             }
         }
         return map;

bbb-lti/grails-app/services/LtiService.groovy

@@ -28,6 +28,7 @@ class LtiService {
     
     def endPoint = "http://192.168.0.153/lti/tool.xml"
     def consumers = "demo:welcome"
+    def mode = "simple"
     Map<String, String> consumerMap
     
     private Map<String, String> getConsumer(consumerId) {

bbb-lti/grails-app/views/error.gsp

@@ -1,6 +1,6 @@
 <html>
   <head>
-	  <title>Grails Runtime Exception</title>
+	  <title>Runtime Exception</title>
 	  <style type="text/css">
 	  		.message {
 	  			border: 1px solid black;
@@ -24,7 +24,7 @@
   </head>
 
   <body>
-    <h1>Grails Runtime Exception</h1>
+    <h1>Runtime Exception</h1>
     <h2>Error Details</h2>
 
   	<div class="message">

bbb-lti/grails-app/views/index.gsp

@@ -1,20 +1 @@
-<html>
-    <head>
-        <title>Welcome to Grails</title>
-		<meta name="layout" content="main" />
-    </head>
-    <body>
-        <h1 style="margin-left:20px;">Welcome to Grails</h1>
-        <p style="margin-left:20px;width:80%">Congratulations, you have successfully started your first Grails application! At the moment
-        this is the default page, feel free to modify it to either redirect to a controller or display whatever
-        content you may choose. Below is a list of controllers that are currently deployed in this application,
-        click on each to execute its default action:</p>
-        <div class="dialog" style="margin-left:20px;width:60%;">
-            <ul>
-              <g:each var="c" in="${grailsApplication.controllerClasses}">
-                    <li class="controller"><g:link controller="${c.logicalPropertyName}">${c.fullName}</g:link></li>
-              </g:each>
-            </ul>
-        </div>
-    </body>
-</html>
+<%response.sendRedirect(request.getContextPath()+"/tool");%>

bbb-lti/grails-app/views/layouts/internal.gsp

@@ -0,0 +1,12 @@
+<html>
+    <head>
+        <title><g:layoutTitle default="BigBlueButton LTI Interface" /></title>
+        <link rel="stylesheet" href="${resource(dir:'css',file:'main.css')}" />
+        <link rel="shortcut icon" href="${resource(dir:'images',file:'favicon.ico')}" type="image/x-icon" />
+        <g:layoutHead />
+        <g:javascript library="application" />				
+    </head>
+    <body>
+        <g:layoutBody />		
+    </body>	
+</html>

bbb-lti/grails-app/views/layouts/main.gsp

@@ -1,6 +1,6 @@
 <html>
     <head>
-        <title><g:layoutTitle default="Grails" /></title>
+        <title><g:layoutTitle default="BigBlueButton LTI Interface" /></title>
         <link rel="stylesheet" href="${resource(dir:'css',file:'main.css')}" />
         <link rel="shortcut icon" href="${resource(dir:'images',file:'favicon.ico')}" type="image/x-icon" />
         <g:layoutHead />
@@ -10,7 +10,7 @@
         <div id="spinner" class="spinner" style="display:none;">
             <img src="${resource(dir:'images',file:'spinner.gif')}" alt="Spinner" />
         </div>	
-        <div class="logo"><img src="${resource(dir:'images',file:'grails_logo.jpg')}" alt="Grails" /></div>
+        <div class="logo"><img src="${resource(dir:'images',file:'bbb_logo.jpg')}" alt="BigBlueButton" /></div>
         <g:layoutBody />		
     </body>	
 </html>

bbb-lti/grails-app/views/tool/error.gsp

@@ -0,0 +1,26 @@
+<%@ page contentType="text/html;charset=ISO-8859-1" %>
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/>
+<meta name="layout" content="main"/>
+<title>Insert title here</title>
+</head>
+<body>
+  <div class="body">
+  <g:if test="${ (resultMessageKey == 'InvalidEPortfolioUserId')}">
+  ${resultMessage}
+  </g:if>
+  <g:else>
+  Connection could not be established.
+  </g:else>
+  </div>
+  <!-- { 
+            "error": { 
+                "messageKey": "${resultMessageKey}", 
+                "message": "${resultMessage}" 
+            } 
+        } 
+  -->
+  <br/><br/>
+</body>
+</html>

bbb-lti/grails-app/views/tool/index.gsp

@@ -0,0 +1,60 @@
+<html>
+    <head>
+        <title>BigBlueButton LTI Interface</title>
+        <link rel="stylesheet" href="${resource(dir:'css',file:'bootstrap.css')}" />
+        <link rel="shortcut icon" href="${resource(dir:'images',file:'favicon.ico')}" type="image/x-icon" />
+    </head>
+    <body>
+        <h1 style="margin-left:20px; text-align: center;"><a title="Join" class="btn btn-primary btn-large" href="${createLink(controller:'tool',action:'join')}">Join Meeting</a></h1>
+        <br><br>
+        <table class="table table-striped table-bordered table-condensed">
+            <thead>
+                <tr>
+                    <th class="header c0" style="text-align:center;" scope="col">Recording</th>
+                    <th class="header c1" style="text-align:center;" scope="col">Activity</th>
+                    <th class="header c2" style="text-align:center;" scope="col">Description</th>
+                    <th class="header c3" style="text-align:center;" scope="col">Date</th>
+                    <th class="header c4" style="text-align:center;" scope="col">Duration</th>
+                    <g:if test="${ismoderator}">
+                    <th class="header c5 lastcol" style="text-align:left;" scope="col">Toolbar</th>
+                    </g:if>
+                </tr>
+            </thead>
+            <tbody>
+            <g:each in="${recordingList}" var="r">
+                <g:if test="${ismoderator || r.published == 'true'}">  
+                <tr class="r0 lastrow">
+                    <td class="cell c0" style="text-align:center;">
+                    <g:each in="${r.playback}" var="p">
+                        <a title="${p.type}" target="_new" href="${p.url}">${p.type}</a>&#32;
+                    </g:each>
+                    </td>
+                    <td class="cell c1" style="text-align:center;">${r.name}</td>
+                    <td class="cell c2" style="text-align:center;">${r.metadata.contextactivitydescription}</td>
+                    <td class="cell c3" style="text-align:center;">${new Date( Long.valueOf(r.startTime).longValue() )}</td>
+                    <td class="cell c4" style="text-align:center;">
+                    <g:each in="${r.playback}" var="p">
+                        <g:if test="${p.type == 'slides'}">
+                            ${p.length}
+                        </g:if>
+                    </g:each>
+                    </td>
+                    <g:if test="${ismoderator}">
+                    <td class="cell c5 lastcol" style="text-align:left;">
+                      <g:if test="${r.published == 'true'}">
+                      <a title="Hide" class="action-icon" href="${createLink(controller:'tool',action:'publish')}?bbb_recording_published=${r.published}&bbb_recording_id=${r.recordID}"><img title="Hide" alt="Hide" class="smallicon" src="${resource(dir:'images',file:'hide.gif')}" /></a>
+                      </g:if>
+                      <g:else>
+                      <a title="Show" class="action-icon" href="${createLink(controller:'tool',action:'publish')}?bbb_recording_published=${r.published}&bbb_recording_id=${r.recordID}"><img title="Show" alt="Show" class="smallicon" src="${resource(dir:'images',file:'show.gif')}" /></a>
+                      </g:else>
+                      <a title="Delete" class="action-icon" onClick="if(confirm('Are you sure to delete this recording?')) window.location='${createLink(controller:'tool',action:'delete')}?bbb_recording_id=${r.recordID}'; return false;" href="#"><img title="Delete" alt="Delete" class="smallicon" src="${resource(dir:'images',file:'delete.gif')}" /></a>
+                    </td>
+                    </g:if>
+                </tr>
+                </g:if>
+            </g:each>
+            </tbody>
+        </table>
+        
+    </body>
+</html>

bbb-lti/grails-app/views/tool/index_bbb.gsp

@@ -0,0 +1,60 @@
+<html>
+    <head>
+        <title>BigBlueButton LTI Interface</title>
+		<meta name="layout" content="internal" />
+    </head>
+    <body>
+        <h1 style="margin-left:20px; text-align: center;"><a title="Join" class="action-icon" href="${createLink(controller:'tool',action:'join')}"><img title="Join" alt="Join the meeting" src="${resource(dir:'images',file:'bbb.jpg')}" /></a></h1>
+        <p style="margin-left:20px;width:80%"></p>
+        <br>
+        <table class="generaltable">
+            <thead>
+                <tr>
+                    <th class="header c0" style="text-align:center;" scope="col">Recording</th>
+                    <th class="header c1" style="text-align:center;" scope="col">Activity</th>
+                    <th class="header c2" style="text-align:center;" scope="col">Description</th>
+                    <th class="header c3" style="text-align:center;" scope="col">Date</th>
+                    <th class="header c4" style="text-align:center;" scope="col">Duration</th>
+                    <g:if test="${ismoderator}">
+                    <th class="header c5 lastcol" style="text-align:left;" scope="col">Toolbar</th>
+                    </g:if>
+                </tr>
+            </thead>
+            <tbody>
+            <g:each in="${recordingList}" var="r">
+                <g:if test="${ismoderator || r.published == 'true'}">  
+                <tr class="r0 lastrow">
+                    <td class="cell c0" style="text-align:center;">
+                    <g:each in="${r.playback}" var="p">
+                        <a title="${p.type}" target="_new" href="${p.url}">${p.type}</a>&#32;
+                    </g:each>
+                    </td>
+                    <td class="cell c1" style="text-align:center;">${r.name}</td>
+                    <td class="cell c2" style="text-align:center;">${r.metadata.contextactivitydescription}</td>
+                    <td class="cell c3" style="text-align:center;">${new Date( Long.valueOf(r.startTime).longValue() )}</td>
+                    <td class="cell c4" style="text-align:center;">
+                    <g:each in="${r.playback}" var="p">
+                        <g:if test="${p.type == 'slides'}">
+                            ${p.length}
+                        </g:if>
+                    </g:each>
+                    </td>
+                    <g:if test="${ismoderator}">
+                    <td class="cell c5 lastcol" style="text-align:left;">
+                      <g:if test="${r.published == 'true'}">
+                      <a title="Hide" class="action-icon" href="${createLink(controller:'tool',action:'publish')}?bbb_recording_published=${r.published}&bbb_recording_id=${r.recordID}"><img title="Hide" alt="Hide" class="smallicon" src="${resource(dir:'images',file:'hide.gif')}" /></a>
+                      </g:if>
+                      <g:else>
+                      <a title="Show" class="action-icon" href="${createLink(controller:'tool',action:'publish')}?bbb_recording_published=${r.published}&bbb_recording_id=${r.recordID}"><img title="Show" alt="Show" class="smallicon" src="${resource(dir:'images',file:'show.gif')}" /></a>
+                      </g:else>
+                      <a title="Delete" class="action-icon" onClick="if(confirm('Are you sure to delete this recording?')) window.location='${createLink(controller:'tool',action:'delete')}?bbb_recording_id=${r.recordID}'; return false;" href="#"><img title="Delete" alt="Delete" class="smallicon" src="${resource(dir:'images',file:'delete.gif')}" /></a>
+                    </td>
+                    </g:if>
+                </tr>
+                </g:if>
+            </g:each>
+            </tbody>
+        </table>
+        
+    </body>
+</html>

bbb-lti/grails-app/views/tool/index_bootstrap.gsp

@@ -0,0 +1,60 @@
+<html>
+    <head>
+        <title>BigBlueButton LTI Interface</title>
+        <link rel="stylesheet" href="${resource(dir:'css',file:'bootstrap.css')}" />
+        <link rel="shortcut icon" href="${resource(dir:'images',file:'favicon.ico')}" type="image/x-icon" />
+    </head>
+    <body>
+        <h1 style="margin-left:20px; text-align: center;"><a title="Join" class="btn btn-primary btn-large" href="${createLink(controller:'tool',action:'join')}">Join Meeting</a></h1>
+        <br><br>
+        <table class="table table-striped table-bordered table-condensed">
+            <thead>
+                <tr>
+                    <th class="header c0" style="text-align:center;" scope="col">Recording</th>
+                    <th class="header c1" style="text-align:center;" scope="col">Activity</th>
+                    <th class="header c2" style="text-align:center;" scope="col">Description</th>
+                    <th class="header c3" style="text-align:center;" scope="col">Date</th>
+                    <th class="header c4" style="text-align:center;" scope="col">Duration</th>
+                    <g:if test="${ismoderator}">
+                    <th class="header c5 lastcol" style="text-align:left;" scope="col">Toolbar</th>
+                    </g:if>
+                </tr>
+            </thead>
+            <tbody>
+            <g:each in="${recordingList}" var="r">
+                <g:if test="${ismoderator || r.published == 'true'}">  
+                <tr class="r0 lastrow">
+                    <td class="cell c0" style="text-align:center;">
+                    <g:each in="${r.playback}" var="p">
+                        <a title="${p.type}" target="_new" href="${p.url}">${p.type}</a>&#32;
+                    </g:each>
+                    </td>
+                    <td class="cell c1" style="text-align:center;">${r.name}</td>
+                    <td class="cell c2" style="text-align:center;">${r.metadata.contextactivitydescription}</td>
+                    <td class="cell c3" style="text-align:center;">${new Date( Long.valueOf(r.startTime).longValue() )}</td>
+                    <td class="cell c4" style="text-align:center;">
+                    <g:each in="${r.playback}" var="p">
+                        <g:if test="${p.type == 'slides'}">
+                            ${p.length}
+                        </g:if>
+                    </g:each>
+                    </td>
+                    <g:if test="${ismoderator}">
+                    <td class="cell c5 lastcol" style="text-align:left;">
+                      <g:if test="${r.published == 'true'}">
+                      <a title="Hide" class="action-icon" href="${createLink(controller:'tool',action:'publish')}?bbb_recording_published=${r.published}&bbb_recording_id=${r.recordID}"><img title="Hide" alt="Hide" class="smallicon" src="${resource(dir:'images',file:'hide.gif')}" /></a>
+                      </g:if>
+                      <g:else>
+                      <a title="Show" class="action-icon" href="${createLink(controller:'tool',action:'publish')}?bbb_recording_published=${r.published}&bbb_recording_id=${r.recordID}"><img title="Show" alt="Show" class="smallicon" src="${resource(dir:'images',file:'show.gif')}" /></a>
+                      </g:else>
+                      <a title="Delete" class="action-icon" onClick="if(confirm('Are you sure to delete this recording?')) window.location='${createLink(controller:'tool',action:'delete')}?bbb_recording_id=${r.recordID}'; return false;" href="#"><img title="Delete" alt="Delete" class="smallicon" src="${resource(dir:'images',file:'delete.gif')}" /></a>
+                    </td>
+                    </g:if>
+                </tr>
+                </g:if>
+            </g:each>
+            </tbody>
+        </table>
+        
+    </body>
+</html>

bbb-lti/src/java/org/bigbluebutton/api/Proxy.java

@@ -88,13 +88,13 @@ public class Proxy {
         return this.url + API_SERVERPATH + APICALL_CREATE + "?" + url;
     }
     
-    public String getJoinMeetingURL(String fullName, String meetingID, String password, String createTime, String userID) {
-        String url = getJoinMeetingURL(fullName, meetingID, password, createTime, userID, "" );
+    public String getJoinURL(String fullName, String meetingID, String password, String createTime, String userID) {
+        String url = getJoinURL(fullName, meetingID, password, createTime, userID, "" );
         return url;
         
     }
 
-    public String getJoinMeetingURL(String fullName, String meetingID, String password, String createTime, String userID, String webVoiceConf ) {
+    public String getJoinURL(String fullName, String meetingID, String password, String createTime, String userID, String webVoiceConf ) {
 
         String url;
         url = "fullName=" + getStringEncoded(fullName);
@@ -117,7 +117,7 @@ public class Proxy {
         return this.url + API_SERVERPATH + APICALL_ISMEETINGRUNNING + "?" + url;
     }
 
-    public String getEndMeetingURL(String meetingID, String password) {
+    public String getEndURL(String meetingID, String password) {
         
         String url = "meetingID=" + meetingID;
         url += "&password=" + password;
@@ -126,7 +126,7 @@ public class Proxy {
         return this.url + API_SERVERPATH + APICALL_END + "?" + url;
     }
     
-    public String getMeetingInfoURL(String meetingID, String password) {
+    public String getGetMeetingInfoURL(String meetingID, String password) {
         
         String url = "meetingID=" + meetingID;
         url += "&password=" + password;
@@ -135,19 +135,19 @@ public class Proxy {
         return this.url + API_SERVERPATH + APICALL_GETMEETINGINFO + "?" + url;
     }
 
-    public String getMeetingsURL(String meetingID, String password) {
+    public String getGetMeetingsURL(String meetingID, String password) {
         
         String url = getCheckSumParameterForQuery(APICALL_END, "");
         
         return this.url + API_SERVERPATH + APICALL_END + "?" + url;
     }
 
-    public String getRecordingsURL(String meetingID) {
+    public String getGetRecordingsURL(String meetingID) {
         
-        String url = "meetingID=" + meetingID;
-        url += getCheckSumParameterForQuery(APICALL_GETRECORDINGS, url);
+        String queryString = "meetingID=" + meetingID;
+        queryString += getCheckSumParameterForQuery(APICALL_GETRECORDINGS, queryString);
         
-        return this.url + API_SERVERPATH + APICALL_GETRECORDINGS + "?" + url;
+        return this.url + API_SERVERPATH + APICALL_GETRECORDINGS + "?" + queryString;
     }
     
     public String getPublishRecordingsURL(String recordID, String publish) {
@@ -162,9 +162,9 @@ public class Proxy {
     public String getDeleteRecordingsURL(String recordID) {
         
         String url = "recordID=" + recordID;
-        url += getCheckSumParameterForQuery(APICALL_PUBLISHRECORDINGS, url);
+        url += getCheckSumParameterForQuery(APICALL_DELETERECORDINGS, url);
         
-        return this.url + API_SERVERPATH + APICALL_PUBLISHRECORDINGS + "?" + url;
+        return this.url + API_SERVERPATH + APICALL_DELETERECORDINGS + "?" + url;
     }
     
     public String getStringEncoded(String string){

bbb-lti/src/java/org/bigbluebutton/lti/Parameter.java

@@ -47,8 +47,15 @@ public class Parameter {
     public static final String TOOL_CONSUMER_INSTANCE_URL = "tool_consumer_instance_url";
     
     public static final String CUSTOM_USER_ID = "custom_lis_person_sourcedid";
-	public static final String CUSTOM_WELCOME = "custom_welcome";
-	public static final String CUSTOM_RECORD = "custom_record";
-
+    
+    //BigBlueButton custom parameters
+    public static final String CUSTOM_BBB_RECORD = "custom_bbb_record";
+    public static final String CUSTOM_BBB_VOICEBRIDGE = "custom_bbb_voicebridge";
+    public static final String CUSTOM_BBB_DURATION = "custom_bbb_duration";
+    public static final String CUSTOM_WELCOME = "custom_bbb_welcome";
+    
+    ///BigBlueButton internal parameters
+    public static final String BBB_RECORDING_ID = "bbb_recording_id";
+    public static final String BBB_RECORDING_PUBLISHED = "bbb_recording_published";
 
 }

bbb-lti/src/java/org/bigbluebutton/lti/Role.java

@@ -53,6 +53,7 @@ public class Role {
                 roles[i].equals(MENTOR) ||
                 roles[i].equals(URN_INSTITUTION_ROLE + MENTOR) ||
                 roles[i].equals(URN_CONTEXT_ROLE + MENTOR) ||
+                roles[i].equals(ADMINISTRATOR) ||
                 roles[i].equals(URN_INSTITUTION_ROLE + ADMINISTRATOR) ||
                 roles[i].equals(URN_CONTEXT_ROLE + ADMINISTRATOR)
                 ){

bigbluebutton-config/bin/bbb-conf

@@ -537,7 +537,7 @@ while [ $# -gt 0 ]; do
 				echo "  Customer: $CUSTOMER"
 				echo "    Secret: $SECRET"
 				echo
-				ICON_URL=$( echo $LTI_URL | sed 's/tool.xml/images\/favicon.ico/')
+				ICON_URL=$( echo $LTI_URL | sed 's/tool/images\/favicon.ico/')
 				echo "  Icon URL: $ICON_URL"
 				echo
 				echo