// Decompiled by Jad v1.5.8f. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   HttpUserNameCallback.java

package com.vignette.tas.util;

import java.util.Locale;
import javax.servlet.http.*;
import org.apache.log4j.Category;

// Referenced classes of package com.vignette.tas.util:
//            RemoteDataException, UserNameCallback

public class HttpUserNameCallback
    implements UserNameCallback
{

    public HttpUserNameCallback()
    {
        userNameHeader = System.getProperty("com.vignette.tas.sso.user.header.name", "sm_user");
        useIdentifier = true;
        identifierHeaderName = System.getProperty("com.vignette.tas.sso.identifier.header.name");
        identifierHeaderValue = System.getProperty("com.vignette.tas.sso.identifier.header.value");
        String useIdentifierString = System.getProperty("com.vignette.tas.sso.identifier.enable");
        if(useIdentifierString != null && "false".equals(useIdentifierString))
            useIdentifier = false;
    }

    public String getMappedServletContext(HttpServletRequest request)
    {
        String contextPath = request.getContextPath();
        LOG.debug("Context path is " + contextPath);
        return contextPath;
    }

    public boolean needsAuthentication(HttpServletRequest request, HttpServletResponse response)
    {
        String userName = null;
        try
        {
            userName = getUserName(request);
        }
        catch(Exception e)
        {
            LOG.error("Getting the user name caused an error", e);
        }
        return userName != null;
    }

    public String getUserName(HttpServletRequest request)
        throws RemoteDataException
    {
        if(useIdentifier)
        {
            String identifierHeaderCheck = request.getHeader(identifierHeaderName);
            if(identifierHeaderCheck != null && identifierHeaderCheck.equals(identifierHeaderValue))
                LOG.debug("Identifier passed security check");
            else
                throw new RemoteDataException("user_not_authenticated_error_label", "The user cannot be authenticated");
        }
        String userName = request.getHeader(userNameHeader);
        if(userName == null)
            userName = request.getRemoteUser();
        LOG.debug("Getting " + userName + " from the request");
        return userName;
    }

    public boolean isProxyRequest(HttpServletRequest request)
        throws RemoteDataException
    {
        String path = request.getPathInfo();
        if(path == null)
            path = request.getServletPath();
        if(path != null)
        {
            int pos = path.indexOf("common/logout.jsp");
            if(pos > -1)
                return false;
        }
        return true;
    }

    public void doNonProxyActivity(HttpServletRequest request, HttpServletResponse response)
        throws RemoteDataException
    {
        String logoutURL = getLogoutURL(request);
        if(logoutURL != null)
        {
            LOG.debug("Redirecting to the logoutURL: " + logoutURL);
            try
            {
                response.sendRedirect(logoutURL);
            }
            catch(Exception e) { }
        } else
        {
            response.setHeader("Authorization", null);
            Cookie cookie = new Cookie("JSESSIONID", "");
            cookie.setMaxAge(0);
            response.addCookie(cookie);
            try
            {
                response.sendRedirect("/AppConsole");
            }
            catch(Exception e) { }
        }
    }

    public Locale getLocale(HttpServletRequest request)
    {
        return request.getLocale();
    }

    public String getLogoutURL(HttpServletRequest request)
    {
        String headerProp = System.getProperty("com.vignette.tas.sso.logout.url.header.name");
        String logoutURL = null;
        if(headerProp != null)
            logoutURL = request.getHeader(headerProp);
        if(logoutURL == null)
            logoutURL = System.getProperty("com.vignette.tas.sso.logout.url");
        return logoutURL;
    }

    static Class _mthclass$(String x0)
    {
        return Class.forName(x0);
        ClassNotFoundException x1;
        x1;
        throw new NoClassDefFoundError(x1.getMessage());
    }

    private static final Category LOG;
    private static final String DEFAULT_HTTP_USER_NAME_FIELD = "sm_user";
    private static final String HTTP_USER_NAME_FIELD = "com.vignette.tas.sso.user.header.name";
    private static final String HTTP_IDENTIFIER_NAME_FIELD_PROP = "com.vignette.tas.sso.identifier.header.name";
    private static final String HTTP_IDENTIFIER_VALUE_FIELD_PROP = "com.vignette.tas.sso.identifier.header.value";
    private static final String HTTP_IDENTIFIER_CHECK_PROP = "com.vignette.tas.sso.identifier.enable";
    private static final String HTTP_LOGOUT_URL_PROP = "com.vignette.tas.sso.logout.url";
    private static final String HTTP_LOGOUT_URL_HEADER_NAME_PROP = "com.vignette.tas.sso.logout.url.header.name";
    private String userNameHeader;
    private boolean useIdentifier;
    private String identifierHeaderName;
    private String identifierHeaderValue;

    static 
    {
        LOG = Category.getInstance(com.vignette.tas.util.HttpUserNameCallback.class);
    }
}