com.sonicle.webtop.core.app.servlet.ServletHelper.java Source code

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Here is the source code for com.sonicle.webtop.core.app.servlet.ServletHelper.java

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/*
 * WebTop Services is a Web Application framework developed by Sonicle S.r.l.
 * Copyright (C) 2014 Sonicle S.r.l.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by
 * the Free Software Foundation with the addition of the following permission
 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
 * WORK IN WHICH THE COPYRIGHT IS OWNED BY SONICLE, SONICLE DISCLAIMS THE
 * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program 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 General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA.
 *
 * You can contact Sonicle S.r.l. at email address sonicle@sonicle.com
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * Sonicle logo and Sonicle copyright notice. If the display of the logo is not
 * reasonably feasible for technical reasons, the Appropriate Legal Notices must
 * display the words "Copyright (C) 2014 Sonicle S.r.l.".
 */
package com.sonicle.webtop.core.app.servlet;

import com.sonicle.commons.PathUtils;
import com.sonicle.commons.web.ServletUtils;
import com.sonicle.webtop.core.app.WT;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Locale;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.StringUtils;

/**
 *
 * @author malbinola
 */
public class ServletHelper {

    /**
     * Retrieve the ID of the current http session.
     * @param request The http request
     * @return Session's ID
     */
    public static String getSessionID(HttpServletRequest request) {
        HttpSession session = request.getSession(false);
        return getSessionID(session);
    }

    /**
     * Retrieve the ID of the passed http session.
     * @param session The http session
     * @return Session's ID
     */
    public static String getSessionID(HttpSession session) {
        return (session != null) ? session.getId() : "";
    }

    public static String guessMediaType(String filename) {
        return guessMediaType(filename, false);
    }

    public static String guessMediaType(String filename, boolean fallback) {
        String defaultMediaType = fallback ? "application/octet-stream" : null;
        return guessMediaType(filename, defaultMediaType);
    }

    public static String guessMediaType(String filename, String defaultMediaType) {
        String ext = FilenameUtils.getExtension(filename);
        if (!StringUtils.isBlank(ext)) {
            String mtype = WT.getOverriddenMediaType(ext);
            if (mtype != null)
                return mtype;
            mtype = ServletUtils.guessMediaType(filename);
            if (mtype != null)
                return mtype;
        }
        return defaultMediaType;
    }

    /*
    public static void logout(HttpServletRequest request) {
       WebTopSession wts = getWebTopSession(request);
       wts.clear();
       SecurityUtils.getSubject().logout();
    }
    */

    public static Locale homogenizeLocale(HttpServletRequest request) {
        Locale locale = request.getLocale();
        if (locale.getLanguage().equals("it")) {
            return new Locale("it", "IT");
        } else {
            return new Locale("en", "EN");
        }
    }

    public static String getBaseUrl(HttpServletRequest request) {
        try {
            String reqUrl = ServletUtils.getRequestURL(request);
            return PathUtils.ensureTrailingSeparator(new URL(reqUrl).getPath());
        } catch (MalformedURLException ex) {
            return null;
        }
    }

    public static String sanitizeBaseUrl(String url) {
        url = StringUtils.substringBefore(url, Login.URL);
        url = StringUtils.substringBefore(url, Logout.URL);
        url = StringUtils.substringBefore(url, UIPrivate.URL);
        url = StringUtils.substringBefore(url, Otp.URL);
        url = StringUtils.substringBefore(url, ResourceRequest.URL);
        url = StringUtils.substringBefore(url, PrivateRequest.URL);
        url = StringUtils.substringBefore(url, PublicRequest.URL);
        url = StringUtils.substringBefore(url, RestApi.URL);
        return PathUtils.ensureTrailingSeparator(url);
    }

    public static boolean isPublic(HttpServletRequest request) {
        return request.getServletPath().equals(PublicRequest.URL);
    }
}