package imap;
import java.io.*;
import java.net.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
// Using the IMAP protocol
// This servlet does not need any parameters
// It will bring you in mailboxes viewing mode
// and print all the available mailboxes of this
// user, and allow for creation and deletion of
// these mailboxes, as well as to get into them
public class ImapListBox extends HttpServlet {
// Defining resulting object out from request req and response res
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
ServletOutputStream out=res.getOutputStream();
try {
// Retrieve login information from preset cookie
Cookie[] cookie=new Cookie[3];
String[] login=new String[3];
cookie=req.getCookies();
String username="0", password="0", hostname="0";
for(int i=0; i<=2; i++) {
login[i]=cookie[i].getName();
if (login[i].equals("username"))
username=cookie[i].getValue();
else if (login[i].equals("password"))
password=cookie[i].getValue();
else if (login[i].equals("hostname"))
hostname=cookie[i].getValue();
}
// Creating a socket to the desired hostname's IMAP port
Socket socket=new Socket(hostname, 143);
PrintStream write_socket=new PrintStream(socket.getOutputStream());
DataInputStream read_socket=new DataInputStream(socket.getInputStream());
// Make sure target IMAP port is ready
String imap_res=read_socket.readLine();
if (! imap_res.startsWith("* OK"))
throw new ServletException("IMAP Server was not reachable this time");
int command=1;
// Make sure a correct username and/or password is provided
write_socket.println(command+" login "+username+" "+password);
imap_res=read_socket.readLine();
if (! imap_res.startsWith(command+" OK"))
throw new ServletException("Invalid Username and/or Password");
command++;
out.println("");
out.println("Mailboxes for "+username+" on "+hostname+"");
out.println("Mailboxes for "+username+" on "+hostname+"
");
command++;
// Retrieve the list of mailboxes
write_socket.println(command+" list \"\" *");
imap_res=read_socket.readLine();
while (! imap_res.startsWith(command+" OK")) {
if (imap_res.startsWith("* LIST (\\NoInferiors")) {
StringTokenizer breakline=new StringTokenizer(imap_res, " ");
for(int piece=1; piece<5; piece++)
breakline.nextToken();
String mailbox=breakline.nextToken();
if (mailbox.equals("\"/\""))
mailbox=breakline.nextToken();
out.println("MAILBOX :"+mailbox+"");
out.println(" delete");
out.println("");
out.println("
");
}
imap_res=read_socket.readLine();
}
out.println("");
command++;
write_socket.println(command+" logout");
}
catch (ServletException e) {
out.println(""+e+"");
out.println(""+e+"");
}
catch (UnknownHostException e) {
out.println("Unknown Host");
out.println(""+e);
out.println("The hostname supplied is not recognized, try a different hostname.");
out.println("");
}
catch (IOException e) {
out.println("IOException");
out.println(""+e);
out.println("");
}
}
}