be.fedict.eid.idp.sp.ConfigServlet.java Source code

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/*
 * eID Identity Provider Project.
 * Copyright (C) 2010 FedICT.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, see
 * http://www.gnu.org/licenses/.
 */

package be.fedict.eid.idp.sp;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class ConfigServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;

    private static final Log LOG = LogFactory.getLog(ConfigServlet.class);

    private static final String PATH = "configuration";
    private static final String IDENTITY = "identity";
    private static final String IDP_BASE_LOCATION = "idpBaseLocation";
    private static final String ENCRYPT = "encrypt";
    private static final String USE_KEK = "useKeK";

    private static String idpIdentity = null;
    private static String idpBaseLocation = null;
    private static boolean encrypt = false;
    private static boolean useKeK = false;

    public static String getIdpIdentity() {
        return idpIdentity;
    }

    public static String getIdpBaseLocation(HttpServletRequest request) {

        String baseLocation = idpBaseLocation;
        if (null == baseLocation || baseLocation.trim().isEmpty()) {
            baseLocation = "https://" + request.getServerName() + ":" + request.getServerPort() + "/eid-idp/";
        }
        if (!baseLocation.endsWith("/")) {
            baseLocation += '/';
        }
        idpBaseLocation = baseLocation;
        return baseLocation;
    }

    public static boolean isEncrypt() {
        return encrypt;
    }

    public static boolean isUseKeK() {
        return useKeK;
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        LOG.debug("doPost");

        onSaveConfig(request);

        doGet(request, response);
    }

    private void onSaveConfig(HttpServletRequest request) {

        LOG.debug("save config");

        idpIdentity = request.getParameter(IDENTITY);
        idpBaseLocation = request.getParameter(IDP_BASE_LOCATION);
        if (idpBaseLocation.trim().isEmpty()) {
            idpBaseLocation = null;
        }
        encrypt = null != request.getParameter(ENCRYPT);
        useKeK = null != request.getParameter(USE_KEK);
    }

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        LOG.debug("doGet");

        response.setContentType("text/html");
        PrintWriter out = response.getWriter();

        out.println("<title>Test SP Configuration</title>");
        out.println("<body>");

        out.println("<h1>Test SP Configuration</h1>");

        out.println("<hr/>");

        out.println("<form action=\"" + PATH + "\" method=\"POST\">");

        // IdP Identity Thumbprint
        addTextInput(out, "IdP Identity Thumbprint", IDENTITY, idpIdentity);

        // IdP Base Location
        addTextInput(out, "IdP Base Location ( e.g. https://www.e-contract.be/eid-idp/ )", IDP_BASE_LOCATION,
                getIdpBaseLocation(request));

        // Encryption Configuration
        addCheckbox(out, "Encrypt", ENCRYPT, encrypt);
        addCheckbox(out, "Use KeK", USE_KEK, useKeK);

        // Submit
        addSubmit(out);

        // Home link
        out.println("<p />");
        out.println("<a href=\"./\">Home</a>");

        out.println("</body>");
        out.close();
    }

    private void addTextInput(PrintWriter out, String label, String name, String value) {

        out.print(label + "&nbsp; &nbsp;");
        String valueString = null != value ? value : "";
        out.println("<input type=\"text\" size=\"40\" name=\"" + name + "\" value=\"" + valueString + "\" />");
        out.println("<br />");
    }

    private void addCheckbox(PrintWriter out, String label, String name, boolean checked) {

        out.print(label + "&nbsp; &nbsp;");
        if (checked) {
            out.println("<input type=\"checkbox\" name=\"" + name + "\" value=\"" + name + "\" checked=\"yes\" />");
        } else {
            out.println("<input type=\"checkbox\" name=\"" + name + "\" value=\"" + name + "\" />");
        }
        out.println("<br />");
    }

    private void addSubmit(PrintWriter out) {
        out.println("<input name=\"action\" type=\"submit\" value=\"save\"/>");
        out.println("<br />");
    }
}