com.novell.services.dsml.stream.DsmlService Maven / Gradle / Ivy
/* **************************************************************************
* $OpenLDAP: pkg/jldap/com/novell/services/dsml/stream/DsmlService.java,v 1.4 2004/01/27 08:53:02 sunilk Exp $
*
* Copyright (C) 2003 Novell, Inc. All Rights Reserved.
*
* THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND
* TREATIES. USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT
* TO VERSION 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS
* AVAILABLE AT HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE"
* IN THE TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION
* OF THIS WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP
* PUBLIC LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT
* THE PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY.
******************************************************************************/
package com.novell.services.dsml.stream;
import com.novell.ldap.LDAPSocketFactory;
import com.novell.ldap.LDAPJSSESecureSocketFactory;
import com.novell.ldap.LDAPConnection;
import com.novell.ldap.LDAPLocalException;
import com.novell.ldap.connectionpool.PoolManager;
import com.novell.ldap.util.DSMLReader;
import com.novell.ldap.util.DSMLWriter;
import com.novell.ldap.util.LDAPReader;
import com.novell.ldap.util.LDAPWriter;
import com.novell.services.dsml.Authorization;
import com.novell.services.dsml.ImportExport;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.StringBuffer;
import java.util.Map;
/**
* DSML Service
*
* Process DSML Batch Request by: a)Converting the request into an
* LDAPMessage (DSMLReader), b)Send the LDAPMessage to LDAP Server
* (sendRequest), c) Convert the response LDAPMessage from the LDAP Server
* to a DSML Batch Response (DSMLWriter), and d) Return the response to the
* client.
*
* @see com.novell.ldap.util.DSMLReader
* @see com.novell.ldap.util.DSMLWriter
* @see com.novell.ldap.LDAPMessage
* @see com.novell.ldap.LDAPConnection#sendRequest
*/
public class DsmlService extends HttpServlet
{
// Connection Pool stays intact for the life of the servlet.
private PoolManager connPool = null;
private static String status = "OK";
/**
* Initialize servlet by creating Connection Pool.
*
* Initialize this servlet by reading parameters from the web.xml
* file (contained in servletConfig) and using those parameters
* to create a PoolManager
* This servlet is using stream input and output for efficiency.
*
* @param servletConfig Contains context and parameter.
* @throws ServletException When error occurs creating PoolManager
*
* @see PoolManager
*/
public void init(ServletConfig servletConfig) throws ServletException {
try
{
String tmp = null;
String host = "localhost";
int port = LDAPConnection.DEFAULT_PORT;
int maxConns = 3;
int maxInsts2SharConn = 3;
LDAPSocketFactory factory = null;
super.init( servletConfig );
ServletContext ctx = servletConfig.getServletContext();
tmp = ctx.getInitParameter("ldapHost");
if(null != tmp && 0 < tmp.length()){
host = tmp;
}
// If port number is not null and greater than 0 use it otherwise use default
tmp = ctx.getInitParameter("ldapPort");
if(null != tmp && 0 < tmp.length() && 0 < Integer.parseInt(tmp)){
port = Integer.parseInt(tmp);
}
// If max connections is not null and greater than 0 use it otherwise use default
tmp = ctx.getInitParameter("ldapMaxConnections");
if(null != tmp && 0 < tmp.length() && 0 < Integer.parseInt(tmp)){
maxConns = Integer.parseInt(tmp);
}
// If maxInsts2SharConn is not null and greater than 0 use it otherwise use default
tmp = ctx.getInitParameter("ldapMaxInstancesToShareConnection");
if(null != tmp && 0 < tmp.length() && 0 < Integer.parseInt(tmp)) {
maxInsts2SharConn = Integer.parseInt(tmp);
}
tmp = ctx.getInitParameter("ldapKeystore");
if(null != tmp && 0 < tmp.length()){
// Dynamically set the property that JSSE uses to identify
// the keystore that holds trusted root certificates
System.setProperty("javax.net.ssl.trustStore", tmp);
// Setup the JSSE socket factory
factory = new LDAPJSSESecureSocketFactory();
}
// This set up connections to the desired ldap host.
connPool = new PoolManager(host,
port,
maxConns,
maxInsts2SharConn,
factory);
status = "Initalized properly";
}
catch (Exception e)
{
status = "Init Failed e: " + e;
throw new ServletException(status);
}
return;
}
/**
* Process batch requests.
*
*
Process DSML batch request from clients by: converting it
* into an LDAPMessage, sending the LDAPMessage to the LDAP server,
* converter the response LDAPMessage that came from the LDAP server
* into a DSML batch response, and sent it back to the client.
*
This is done using stream input and output.
*
* @param req DSML batch request.
* @param rsp DSML batch response.
*/
public void doPost(HttpServletRequest req,
HttpServletResponse rsp)
throws ServletException,
IOException
{
PrintWriter respPrtWtr = null;
DSMLWriter respDsmlWtr = null;
DSMLReader reqDsmlRdr = null;
Authorization reqAuth = null;
try
{
// Get the request as a stream.
reqDsmlRdr = new DSMLReader(req.getInputStream());
// Get the Authorization out of the HTTP header.
// This Authorization contains the DN and password that is
// used to login to the LDAP server.
reqAuth = new Authorization(req);
// Set response content type to text/xml
rsp.setContentType("text/xml; charset=utf-8");
// Get response PrintWriter object from HttpServletResponse so we
// can write response.
respPrtWtr = rsp.getWriter();
// Write XML version to response.
respPrtWtr.println("");
// Write start of soap envelope.
respPrtWtr.println("");
// Write start of soap body.
respPrtWtr.println("");
// Set response PrintWriter object into DSLMLWriter.
respDsmlWtr = new DSMLWriter(respPrtWtr);
//Handle all DSML processing
ImportExport.process(reqAuth, connPool, reqDsmlRdr, respDsmlWtr);
// Write end soap body.
respPrtWtr.println(" ");
// Write end soap envelope
respPrtWtr.println(" ");
// Set HttpServletResponse status to OK
rsp.setStatus(rsp.SC_OK);
// Flush response to the client.
respPrtWtr.flush();
status = "Last doPost successful";
}catch(LDAPLocalException e){
rsp.setContentType("text/xml; charset=utf-8");
// Get response PrintWriter object from HttpServletResponse so we
// can write response.
respPrtWtr = rsp.getWriter();
// Write XML version to response.
respPrtWtr.println("");
// Write start of soap envelope.
respPrtWtr.println("");
// Write start of soap body.
respPrtWtr.println("");
// Set response PrintWriter object into DSLMLWriter.
respDsmlWtr = new DSMLWriter(respPrtWtr);
respDsmlWtr.writeError(e);
respDsmlWtr.finish();
// Write end soap body.
respPrtWtr.println(" ");
// Write end soap envelope
respPrtWtr.println(" ");
// Set HttpServletResponse status to OK
rsp.setStatus(rsp.SC_BAD_REQUEST);
// Flush response to the client.
respPrtWtr.flush();
}catch(Exception e)
{
rsp.setStatus(rsp.SC_INTERNAL_SERVER_ERROR);
if(null != respPrtWtr)respPrtWtr.flush();
status = "DsmlService - Error: " + e;
throw new ServletException(status);
}
return;
}
public void doGet (HttpServletRequest req,
HttpServletResponse rsp)
throws ServletException,
IOException
{
PrintWriter rspPrtWtr = rsp.getWriter();
Map params = req.getParameterMap();
if (params==null || 0 == params.size()){
showStatus(rspPrtWtr);
}
else if(params.containsKey("wsdl") || params.containsKey("WSDL")){
//if the specified userAction is "wsdl".
doWSDL(rspPrtWtr,req.getRequestURL().toString());
}
else{
// user Action is not specified
errorAction(rspPrtWtr);
}
// Set HttpServletResponse status to OK
rsp.setStatus(rsp.SC_OK);
// Flush response to the client.
rspPrtWtr.flush();
return;
} // end doGet
//when action is null
private void showStatus(PrintWriter prtWtr){
prtWtr.println("");
prtWtr.println("");
prtWtr.println("" + status + " ");
prtWtr.println(" ");
}
//when the action is doWSDL
private void doWSDL(PrintWriter prtWtr, String location){
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println(" XML type for Element");
prtWtr.println("type. ");
prtWtr.println(" ");
prtWtr.println("");
prtWtr.println("");
prtWtr.println(" ");
prtWtr.println("");
prtWtr.println(" ");
prtWtr.println("");
prtWtr.println("");
prtWtr.println(" ");
prtWtr.println("");
prtWtr.println("");
prtWtr.println(" ");
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println(" ");
prtWtr.println(" ");
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println("");
prtWtr.println(" ");
prtWtr.println(" ");
prtWtr.println("");
prtWtr.println("");
prtWtr.print(" ");
prtWtr.println(" ");
prtWtr.println(" ");
}//end doWSDL
//when action is not specified
private void errorAction(PrintWriter prtWtr){
prtWtr.println("");
prtWtr.println("");
prtWtr.println("Invalid Action! ");
prtWtr.println(" ");
}
}