/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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.
*/
package com.liferay.portal.servlet.filters.virtualhost;
import com.liferay.portal.kernel.exception.LayoutFriendlyURLException;
import com.liferay.portal.kernel.exception.NoSuchLayoutException;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.model.Group;
import com.liferay.portal.kernel.model.LayoutSet;
import com.liferay.portal.kernel.service.LayoutLocalServiceUtil;
import com.liferay.portal.kernel.struts.LastPath;
import com.liferay.portal.kernel.util.CharPool;
import com.liferay.portal.kernel.util.HttpUtil;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.PortalUtil;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.model.impl.LayoutImpl;
import com.liferay.portal.servlet.I18nServlet;
import com.liferay.portal.servlet.filters.BasePortalFilter;
import com.liferay.portal.util.PortalInstances;
import com.liferay.portal.util.PropsValues;
import com.liferay.portal.webserver.WebServerServlet;
import java.util.Map;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* <p>
* This filter is used to provide virtual host functionality.
* </p>
*
* @author Joel Kozikowski
* @author Brian Wing Shun Chan
* @author Raymond Augé
* @author Eduardo Lundgren
*/
public class VirtualHostFilter extends BasePortalFilter {
@Override
public void init(FilterConfig filterConfig) {
super.init(filterConfig);
_servletContext = filterConfig.getServletContext();
String contextPath = PortalUtil.getPathContext();
String proxyPath = PortalUtil.getPathProxy();
if (!contextPath.isEmpty() && !proxyPath.isEmpty() &&
contextPath.startsWith(proxyPath)) {
contextPath = contextPath.substring(proxyPath.length());
}
_contextPath = contextPath;
}
@Override
public boolean isFilterEnabled(
HttpServletRequest request, HttpServletResponse response) {
String uri = request.getRequestURI();
for (String extension : PropsValues.VIRTUAL_HOSTS_IGNORE_EXTENSIONS) {
if (uri.endsWith(extension)) {
return false;
}
}
return true;
}
protected boolean isDocumentFriendlyURL(
HttpServletRequest request, long groupId, String friendlyURL)
throws PortalException {
if (friendlyURL.startsWith(_PATH_DOCUMENTS) &&
WebServerServlet.hasFiles(request)) {
String path = HttpUtil.fixPath(request.getPathInfo());
String[] pathArray = StringUtil.split(path, CharPool.SLASH);
if (pathArray.length == 2) {
try {
LayoutLocalServiceUtil.getFriendlyURLLayout(
groupId, false, friendlyURL);
}
catch (NoSuchLayoutException nsle) {
// LPS-52675
if (_log.isDebugEnabled()) {
_log.debug(nsle, nsle);
}
return true;
}
}
else {
return true;
}
}
return false;
}
protected boolean isValidFriendlyURL(String friendlyURL) {
friendlyURL = StringUtil.toLowerCase(friendlyURL);
if (PortalInstances.isVirtualHostsIgnorePath(friendlyURL) ||
friendlyURL.startsWith(_PATH_MODULE_SLASH) ||
friendlyURL.startsWith(_PRIVATE_GROUP_SERVLET_MAPPING_SLASH) ||
friendlyURL.startsWith(_PRIVATE_USER_SERVLET_MAPPING_SLASH) ||
friendlyURL.startsWith(_PUBLIC_GROUP_SERVLET_MAPPING_SLASH)) {
return false;
}
if (LayoutImpl.hasFriendlyURLKeyword(friendlyURL)) {
return false;
}
int code = LayoutImpl.validateFriendlyURL(friendlyURL, false);
if ((code > -1) &&
(code != LayoutFriendlyURLException.ENDS_WITH_SLASH)) {
return false;
}
return true;
}
/**
* @deprecated As of 7.0.0, with no direct replacement
*/
@Deprecated
protected boolean isValidRequestURL(StringBuffer requestURL) {
if (requestURL == null) {
return false;
}
String url = requestURL.toString();
for (String extension : PropsValues.VIRTUAL_HOSTS_IGNORE_EXTENSIONS) {
if (url.endsWith(extension)) {
return false;
}
}
return true;
}
@Override
protected void processFilter(
HttpServletRequest request, HttpServletResponse response,
FilterChain filterChain)
throws Exception {
long companyId = PortalInstances.getCompanyId(request);
String originalFriendlyURL = request.getRequestURI();
String friendlyURL = originalFriendlyURL;
friendlyURL = StringUtil.replace(
friendlyURL, StringPool.DOUBLE_SLASH, StringPool.SLASH);
if (!friendlyURL.equals(StringPool.SLASH) && !_contextPath.isEmpty() &&
(friendlyURL.length() > _contextPath.length()) &&
friendlyURL.startsWith(_contextPath) &&
(friendlyURL.charAt(_contextPath.length()) == CharPool.SLASH)) {
friendlyURL = friendlyURL.substring(_contextPath.length());
}
int pos = friendlyURL.indexOf(CharPool.SEMICOLON);
if (pos != -1) {
friendlyURL = friendlyURL.substring(0, pos);
}
String i18nLanguageId = _findLanguageId(friendlyURL);
if (i18nLanguageId != null) {
friendlyURL = friendlyURL.substring(i18nLanguageId.length());
}
int widgetServletMappingPos = 0;
if (friendlyURL.contains(PropsValues.WIDGET_SERVLET_MAPPING)) {
friendlyURL = StringUtil.replaceFirst(
friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING,
StringPool.BLANK);
widgetServletMappingPos =
PropsValues.WIDGET_SERVLET_MAPPING.length();
}
if (_log.isDebugEnabled()) {
_log.debug("Friendly URL " + friendlyURL);
}
if (!friendlyURL.equals(StringPool.SLASH) &&
!isValidFriendlyURL(friendlyURL)) {
_log.debug("Friendly URL is not valid");
if (i18nLanguageId != null) {
int offset =
originalFriendlyURL.length() - friendlyURL.length() -
(i18nLanguageId.length() + widgetServletMappingPos);
if (!originalFriendlyURL.regionMatches(
offset, i18nLanguageId, 0, i18nLanguageId.length())) {
String forwardURL = originalFriendlyURL;
if (offset > 0) {
String prefix = originalFriendlyURL.substring(
0, offset);
forwardURL = prefix.concat(i18nLanguageId);
}
else {
forwardURL = i18nLanguageId;
}
forwardURL = forwardURL.concat(friendlyURL);
RequestDispatcher requestDispatcher =
_servletContext.getRequestDispatcher(forwardURL);
requestDispatcher.forward(request, response);
return;
}
}
processFilter(
VirtualHostFilter.class.getName(), request, response,
filterChain);
return;
}
LayoutSet layoutSet = (LayoutSet)request.getAttribute(
WebKeys.VIRTUAL_HOST_LAYOUT_SET);
if (_log.isDebugEnabled()) {
_log.debug("Layout set " + layoutSet);
}
if (layoutSet == null) {
processFilter(
VirtualHostFilter.class.getName(), request, response,
filterChain);
return;
}
try {
Map<String, String[]> parameterMap = request.getParameterMap();
String parameters = StringPool.BLANK;
if (!parameterMap.isEmpty()) {
parameters = HttpUtil.parameterMapToString(parameterMap);
}
LastPath lastPath = new LastPath(
_contextPath, friendlyURL, parameters);
request.setAttribute(WebKeys.LAST_PATH, lastPath);
StringBundler forwardURL = new StringBundler(5);
if (i18nLanguageId != null) {
forwardURL.append(i18nLanguageId);
}
if (originalFriendlyURL.startsWith(
PropsValues.WIDGET_SERVLET_MAPPING)) {
forwardURL.append(PropsValues.WIDGET_SERVLET_MAPPING);
friendlyURL = StringUtil.replaceFirst(
friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING,
StringPool.BLANK);
}
if (friendlyURL.equals(StringPool.SLASH) ||
(PortalUtil.getPlidFromFriendlyURL(companyId, friendlyURL) <=
0)) {
Group group = layoutSet.getGroup();
if (isDocumentFriendlyURL(
request, group.getGroupId(), friendlyURL)) {
processFilter(
VirtualHostFilter.class.getName(), request, response,
filterChain);
return;
}
if (group.isGuest() && friendlyURL.equals(StringPool.SLASH) &&
!layoutSet.isPrivateLayout()) {
String homeURL = PortalUtil.getRelativeHomeURL(request);
if (Validator.isNotNull(homeURL)) {
friendlyURL = homeURL;
}
}
else {
if (layoutSet.isPrivateLayout()) {
if (group.isUser()) {
forwardURL.append(_PRIVATE_USER_SERVLET_MAPPING);
}
else {
forwardURL.append(_PRIVATE_GROUP_SERVLET_MAPPING);
}
}
else {
forwardURL.append(_PUBLIC_GROUP_SERVLET_MAPPING);
}
forwardURL.append(group.getFriendlyURL());
}
}
String forwardURLString = friendlyURL;
if (forwardURL.index() > 0) {
forwardURL.append(friendlyURL);
forwardURLString = forwardURL.toString();
}
if (_log.isDebugEnabled()) {
_log.debug("Forward to " + forwardURLString);
}
RequestDispatcher requestDispatcher =
_servletContext.getRequestDispatcher(forwardURLString);
requestDispatcher.forward(request, response);
}
catch (Exception e) {
_log.error(e, e);
processFilter(
VirtualHostFilter.class.getName(), request, response,
filterChain);
}
}
private String _findLanguageId(String friendlyURL) {
if (friendlyURL.isEmpty() ||
(friendlyURL.charAt(0) != CharPool.SLASH)) {
return null;
}
String lowerCaseLanguageId = friendlyURL;
int index = friendlyURL.indexOf(CharPool.SLASH, 1);
if (index != -1) {
lowerCaseLanguageId = friendlyURL.substring(0, index);
}
lowerCaseLanguageId = StringUtil.toLowerCase(lowerCaseLanguageId);
Map<String, String> languageIds = I18nServlet.getLanguageIdsMap();
String languageId = languageIds.get(lowerCaseLanguageId);
if (languageId == null) {
return null;
}
return languageId;
}
private static final String _PATH_DOCUMENTS = "/documents/";
private static final String _PATH_MODULE_SLASH =
Portal.PATH_MODULE + StringPool.SLASH;
private static final String _PRIVATE_GROUP_SERVLET_MAPPING =
PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_GROUP_SERVLET_MAPPING;
private static final String _PRIVATE_GROUP_SERVLET_MAPPING_SLASH =
_PRIVATE_GROUP_SERVLET_MAPPING + StringPool.SLASH;
private static final String _PRIVATE_USER_SERVLET_MAPPING =
PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_USER_SERVLET_MAPPING;
private static final String _PRIVATE_USER_SERVLET_MAPPING_SLASH =
_PRIVATE_USER_SERVLET_MAPPING + StringPool.SLASH;
private static final String _PUBLIC_GROUP_SERVLET_MAPPING =
PropsValues.LAYOUT_FRIENDLY_URL_PUBLIC_SERVLET_MAPPING;
private static final String _PUBLIC_GROUP_SERVLET_MAPPING_SLASH =
_PUBLIC_GROUP_SERVLET_MAPPING + StringPool.SLASH;
private static final Log _log = LogFactoryUtil.getLog(
VirtualHostFilter.class);
private String _contextPath;
private ServletContext _servletContext;
}