/*
*
* Copyright 2013 Entando S.r.l. (http://www.entando.com) All rights reserved.
*
* This file is part of Entando software.
* Entando is a free software;
* You can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation; version 2.
*
* See the file License for the specific language governing permissions
* and limitations under the License
*
*
*
* Copyright 2013 Entando S.r.l. (http://www.entando.com) All rights reserved.
*
*/
package com.agiletec.plugins.jpcasclient.aps.system.services.controller.control;
import com.agiletec.aps.system.ApsSystemUtils;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.jasig.cas.client.validation.Assertion;
import org.jasig.cas.client.validation.AssertionImpl;
import com.agiletec.aps.system.exception.ApsSystemException;
/**
* Utility for CAS ticket validation
*
* @author G.Cocco
* */
public class CasClientTicketValidationUtil {
public CasClientTicketValidationUtil(String urlCasValidate) {
this._urlCasValidate = urlCasValidate;
}
/**
* ticket validation
* */
public Assertion validateTicket(String service, String ticket_key) throws ApsSystemException {
Assertion assertion = null;
MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
_client = new HttpClient(connectionManager);
GetMethod authget = new GetMethod();
Map<String, String> params = new HashMap<String, String>();
params.put("service", service);
params.put("ticket", ticket_key);
authget.getParams().setCookiePolicy(CookiePolicy.DEFAULT);
String responseBodyValidation = null;
String responseAssertion = null;
String responseUser = null;
responseBodyValidation = this.CASgetMethod(authget, _client, this._urlCasValidate, params);
try {
// controllo della risposta sulla richiesta validazione ticket
if ( null != responseBodyValidation && responseBodyValidation.length() > 0 ) {
InputStreamReader reader;
reader = new InputStreamReader(authget.getResponseBodyAsStream());
BufferedReader bufferedReader = new BufferedReader(reader);
responseAssertion = bufferedReader.readLine();
if (responseAssertion.equals(_positiveResponse)) {
responseUser = bufferedReader.readLine();
}
ApsSystemUtils.getLogger().info("CasClientTicketValidationUtil - Assertion: " + responseAssertion + " user: " + responseUser);
}
} catch (Throwable t) {
ApsSystemUtils.logThrowable(t, this, "validateTicket");
throw new ApsSystemException("Errore in CasClientTicketValidationUtil - validateTicket", t);
}
if (null != responseAssertion && null != responseUser && responseAssertion.equalsIgnoreCase(_positiveResponse) && responseUser.length() > 0 ) {
assertion = new AssertionImpl(responseUser);
}
return assertion;
}
/**
* Service method for execution of get request.
* */
public String CASgetMethod(GetMethod authget, HttpClient client, String url, Map<String, String> params) {
String body = null;
authget.setPath(url);
int i = 0;
if ( null != params && params.size() > 0 ) {
NameValuePair[] services = new NameValuePair[params.size()];
for (Iterator iter = params.entrySet().iterator(); iter.hasNext();) {
Map.Entry entry = (Map.Entry)iter.next();
String key = (String)entry.getKey();
String value = (String)entry.getValue();
services[i++] = new NameValuePair(key, value);
}
authget.setQueryString(services);
}
try {
client.executeMethod(authget);
body = authget.getResponseBodyAsString();
} catch (Throwable t) {
ApsSystemUtils.logThrowable(t, this, "CASgetMethod");
throw new RuntimeException("Error in CasClientTicketValidationUtil - CASgetMethod", t);
} finally {
authget.releaseConnection();
}
return body;
}
private final static String _positiveResponse = "yes";
private HttpClient _client;
private String _urlCasValidate;
}