org.apache.jetspeed.portlets.sso.SSOTicketPortlet.java Source code

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Here is the source code for org.apache.jetspeed.portlets.sso.SSOTicketPortlet.java

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/* 
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jetspeed.portlets.sso;

import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.Map;

import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethodBase;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.portals.applications.webcontent.rewriter.ParserAdaptor;
import org.apache.portals.applications.webcontent.rewriter.RewriterException;
import org.apache.portals.applications.webcontent.rewriter.TicketParamRewriter;
import org.apache.portals.applications.webcontent.rewriter.html.SwingParserAdaptor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class SSOTicketPortlet extends SSOWebContentPortlet {

    static final Logger logger = LoggerFactory.getLogger(SSOTicketPortlet.class);

    public final static String SSO_PREF_TICKET_NAME = "ticket.name";
    // sso.type
    protected Class adaptorHtmlClass = SwingParserAdaptor.class;

    //form Constants
    public static final String FORM_POST_METHOD = "post";
    public static final String FORM_GET_METHOD = "get";
    public static final String FORM_MULTIPART_METHOD = "multipart";

    protected HttpMethodBase getHttpMethod(HttpClient client, String uri, Map params, String formMethod,
            RenderRequest request) throws IOException {
        String postURI = (String) request.getPreferences().getValue(SSO_TYPE_FORM_ACTION_URL, "");
        String ticketName = (String) request.getPreferences().getValue(SSO_PREF_TICKET_NAME, "");
        if (uri.startsWith(postURI)) {
            if (!params.containsKey(ticketName)) {
                params.put(ticketName, new String[] { requestTicket(uri, request, null) });
            }
        }
        return super.getHttpMethod(client, uri, params, formMethod, request);
    }

    private String requestTicket(String url, RenderRequest request, RenderResponse response) {
        // ...set up URL and HttpClient stuff
        String ticket = "";
        HttpClient client = new HttpClient();
        HttpMethodBase httpMethod = null;
        httpMethod = new PostMethod();
        //String useragentProperty = request.getProperty("User-Agent");
        httpMethod.addRequestHeader("User-Agent", "Firefox");
        httpMethod.setPath(url);
        try {
            client.executeMethod(httpMethod);
            int responseCode = httpMethod.getStatusCode();
            if (responseCode >= 300 && responseCode <= 399) {
                // redirection that could not be handled automatically!!! (probably from a POST)
                Header locationHeader = httpMethod.getResponseHeader("location");
                String redirectLocation = locationHeader != null ? locationHeader.getValue() : null;
                if (redirectLocation != null) {
                    // one more time (assume most params are already encoded & new URL is using GET protocol!)
                    return requestTicket(redirectLocation, null, null);
                } else {
                    // The response is a redirect, but did not provide the new location for the resource.
                    throw new PortletException(
                            "Redirection code: " + responseCode + ", but with no redirectionLocation set.");
                }
            } else if (responseCode == 200) {
                //           String body = httpMethod.getResponseBodyAsString();
                //           Header [] head =  httpMethod.getResponseHeaders();
                TicketParamRewriter ticketWriter = new TicketParamRewriter();
                String ticketName = (String) request.getPreferences().getValue(SSO_PREF_TICKET_NAME, null);
                if (ticketName != null) {
                    ticketWriter.setTicketName(ticketName);
                    Reader reader = new InputStreamReader(httpMethod.getResponseBodyAsStream());
                    createParserAdaptor().parse(ticketWriter, reader);
                    ticket = ticketWriter.getTicket();
                }
            }
        } catch (Exception e) {
            logger.error("Unexpected error during request ticket.", e);
        }
        return ticket;
    }

    public ParserAdaptor createParserAdaptor() throws RewriterException {
        try {
            return (ParserAdaptor) adaptorHtmlClass.newInstance();

        } catch (Exception e) {
            log.error("Error creating rewriter class", e);
        }
        return null;
    }
}