/*
 * GetNoteIDList.java
 *
 * Created on 02 May 2002, 20:57
 */

import javax.servlet.*;
import javax.servlet.http.*;
import java.net.*;
import java.io.*;
import lotus.domino.*;
/**
 *
 * @author  jake howlett, codestore.net
 * @version
 */
public class GetNoteIDList extends HttpServlet {
    
    private static final int startHexDesignID = 278;
    private static final int startHexDocumentID = 2294; 
    private static final int attemptsAtViews = 200;
    private static final int attemptsAtDocs = 2000;
    
    java.io.PrintWriter out = null;
    String[] NoteIDs = new String[attemptsAtViews];
    String[] DocIDs = new String[attemptsAtDocs];
    int idsFound = 0; int docsFound = 0;
    /** Initializes the servlet.
     */
    public void init(ServletConfig config) throws ServletException {
        super.init(config);   
    }
    
    /** Destroys the servlet.
     */
    public void destroy() {
       
    }
    
    private void openDocumentURL( String tryViewURL, String NoteID ) throws Exception {
        try{
            URL vURL = new URL ( tryViewURL + "/" + NoteID + "?OpenDocument");
            vURL.openStream();
            out.println("<!-- Opened URL - " + tryViewURL + "/" + NoteID + "?OpenDocument -->");
            DocIDs[docsFound] = NoteID;
            docsFound++;
        } catch ( FileNotFoundException e) {     
		out.println( "<!-- File Not Found - " + tryViewURL  + "/" + NoteID + "?OpenDocument -->");
        } 
    }
    
    private void openViewURL( String tryURL, String NoteID ) throws Exception {
        try{
            URL vURL = new URL ( tryURL + "/" + NoteID + "?OpenView");
            vURL.openStream();
            out.println("<!-- Opened URL - " + tryURL + "/" + NoteID + "?OpenView -->");
            NoteIDs[idsFound] = NoteID;
            idsFound++;
        } catch ( FileNotFoundException e) {     
		out.println( "<!-- File Not Found - " + tryURL  + "/" + NoteID + "?OpenView -->");
        } 
    }
    
    
    private void openURL( String tryURL ) throws Exception {
        try{
            URL vURL = new URL ( tryURL );
            BufferedReader in = new BufferedReader( new InputStreamReader( vURL.openStream( ) ) );
            out.println("<h5>Opened URL - <a href=\"" + tryURL + "\">" + tryURL + "</a></h5>");
            in.close();
        } catch ( FileNotFoundException e) {     
		out.println( "<h5><span class=\"color:red;\">File Not Found</span> - " + tryURL  + "</h5>");
        } 
    }
    
    
    private void runRequestsOnViews(String baseURL, int startToHex) {
        try{
            out.println("<h1>About to run NoteID hack using BaseURL:</h1>");
            out.println(baseURL + "<p />");
            
            openURL(baseURL);
            
            for ( int i=0; i < attemptsAtViews ; i++ ) {
                String hex = Integer.toHexString( startHexDesignID + (i*4));
                
                openViewURL(baseURL, hex );
            }
            
            if ( idsFound > 0 ) {
                out.print("Found the following views:<br />");
                
                for ( int j=0; j < idsFound ; j++ ) {
                    out.print( "<a href=\"" + baseURL + "/" + NoteIDs[j] + "?OpenView\">" + baseURL + "/" + NoteIDs[j] + "?OpenView</a>" +
                        " <i>[ <a href=\"GetNoteIDList?baseurl=" + baseURL + "&viewnoteid=" + NoteIDs[j] + "\">Try DocID Hack</a> ]</i><br />");    
                }
                
            }else{
                out.print("<span style=\"color:red;font-weight:bold;\">No views found.</span><br />");
            }
            
            
            super.destroy();
            
        } catch ( MalformedURLException e) { 
		out.println( "<h3>MalformedURLException (" + baseURL + ")</h3>");
        } catch ( UnknownHostException e) {
		out.println( "<h3>UnknownHostException</h3>");
	} catch ( FileNotFoundException e) {     
		out.println( "<h3>FileNotFound</h3>");
	} catch( Exception e) {
		e.printStackTrace();
	}
             
             
        
    }
    
    private void runRequestsOnDocuments(String baseViewURL, int startDocHex) {
        try{
            out.println("<h1>About to run NoteID hack using BaseURL:</h1>");
            out.println(baseViewURL + "<p />");
        
            openURL(baseViewURL);
            //out.println("Opened URL. Starting view NoteID scan process.");
            
            for ( int i=0; i < attemptsAtDocs ; i++ ) {
                String hex = Integer.toHexString( startHexDocumentID + (i*4));
                
                openDocumentURL(baseViewURL, hex );
            }
            
            if ( docsFound > 0 ) {
                out.print("Found the following documents:<br />");
                
                for ( int j=0; j < docsFound ; j++ ) {
                    out.print( "[" + j + "] <a href=\"" + baseViewURL + "/" + DocIDs[j] + "?OpenDocument\">" + baseViewURL + "/" + DocIDs[j] + "?OpenDocument</a><br />");    
                }
                
            }else{
                out.print("<span style=\"color:red;font-weight:bold;\">No documents found.</span><br />");
            }
            
            
            super.destroy();
            
        } catch ( MalformedURLException e) { 
		out.println( "<h3>MalformedURLException (" + baseViewURL + ")</h3>");
        } catch ( UnknownHostException e) {
		out.println( "<h3>UnknownHostException</h3>");
	} catch ( FileNotFoundException e) {     
		out.println( "<h3>FileNotFound</h3>");
	} catch( Exception e) {
		e.printStackTrace();
	}
             
             
        
    }
    
    /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, java.io.IOException {
        response.setContentType("text/html");
        out = response.getWriter();

        // output your page here
        out.println("<html>");
        out.println("<head>");
        out.println("<title>NoteID Hacker</title>");
        out.println("<style>body,h1,h2,h3,h4,h5{font-family:Verdana;}</style>");
        out.println("</head>");
        out.println("<!-- COPYRIGHT - Jake Howlett, 2002. -->");
        out.println("<body>");
        out.println("<form>");
        
        if ( request.getParameter("viewnoteid") == null ) {
            runRequestsOnViews(request.getParameter("baseurl"), startHexDesignID);
        }else{
            runRequestsOnDocuments(request.getParameter("baseurl") + "/" + request.getParameter("viewnoteid") , startHexDocumentID);
        }
        
        out.println("<br />DONE! - Remember you may need to restart the HTTP task at the console before starting over.");
        out.println("</form>");
        out.println("</body>");
        out.println("</html>");

        out.close();
    }
    
    /** Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, java.io.IOException {
        processRequest(request, response);
    }
    
    /** Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, java.io.IOException {
        processRequest(request, response);
    }
    
    /** Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "Hacks a Domino database for \"open\" views using their NoteIDs.";
    }
    
}