starting the development of the mobile demo

bigbluebutton-web/web-app/demo/mobile.jsp

@@ -0,0 +1,73 @@
+<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
+
+<% 
+	request.setCharacterEncoding("UTF-8"); 
+	response.setCharacterEncoding("UTF-8"); 
+%>
+
+<%@page import="org.apache.commons.httpclient.HttpClient"%>
+<%@page import="org.apache.commons.httpclient.HttpMethod"%>
+<%@page import="org.apache.commons.httpclient.methods.GetMethod"%>
+
+<%@ include file="bbb_api.jsp"%>
+<%@ include file="mobile_conf.jsp"%>
+
+<%!
+public boolean isRequestValid() {
+	try {
+		String requestURL = request.getRequestURL().toString().replace("http://127.0.0.1:8080/", BigBlueButtonURL);
+		if (!request.getQueryString().isEmpty());
+			requestURL += "?" + request.getQueryString();
+		
+		String urlWithoutChecksum = requestURL.substring(0, requestURL.lastIndexOf("&checksum="));
+		String urlWithChecksum = urlWithoutChecksum + "&checksum=" + checksum(urlWithoutChecksum + mobileSalt);
+		
+		return (requestURL.equals(urlWithChecksum));
+	} catch(Exception e) {
+		return false;
+	}
+}
+%>
+
+<%
+    if (request.getParameterMap().isEmpty()) {
+    } else if (request.getParameter("action").equals("getMeetings")) {
+    	String meetings;
+    	
+    	//if (isRequestValid())
+    		//meetings = getMeetings();
+    	// checksum = 9a7e214fb21c2f568f68ed352c825588de7487a4
+%>
+<%=meetings%>
+
+<%
+    } else if (request.getParameter("action").equals("join")) {
+        String meetingID = request.getParameter("meetingID");
+        String fullName = request.getParameter("fullName");
+        String password = request.getParameter("password");
+        String joinUrl = getJoinMeetingURL(fullName, meetingID, password);
+        String enterUrl = BigBlueButtonURL + "api/enter";
+        String result = "<response><returncode>FAILED</returncode><message>Can't join the meeting</message></response>";
+        try {
+            HttpClient client = new HttpClient();
+            HttpMethod method = new GetMethod(joinUrl);
+            client.executeMethod(method);
+            method.releaseConnection();
+            
+            method = new GetMethod(enterUrl);
+            client.executeMethod(method);
+            result = method.getResponseBodyAsString();
+            method.releaseConnection();
+        } catch (Exception e) {
+        }
+%>
+<%=result%>
+<%
+    } else if (request.getParameter("action").equals("create")) {
+        String meetingID = request.getParameter("meetingID");
+        String result = createMeeting(meetingID, "", "", "", 0, BigBlueButtonURL);
+%>
+<%=result%>
+<%
+    }
+%>

bigbluebutton-web/web-app/demo/mobile_conf.jsp

@@ -0,0 +1,6 @@
+
+<%!
+// This is the security salt that must match the value set in the BigBlueButton server
+String mobileSalt = "03b07";
+%>
+