001
014
015 package com.liferay.portal.servlet.filters.virtualhost;
016
017 import com.liferay.portal.LayoutFriendlyURLException;
018 import com.liferay.portal.kernel.log.Log;
019 import com.liferay.portal.kernel.log.LogFactoryUtil;
020 import com.liferay.portal.kernel.struts.LastPath;
021 import com.liferay.portal.kernel.util.CharPool;
022 import com.liferay.portal.kernel.util.StringBundler;
023 import com.liferay.portal.kernel.util.StringPool;
024 import com.liferay.portal.kernel.util.StringUtil;
025 import com.liferay.portal.kernel.util.Validator;
026 import com.liferay.portal.model.Group;
027 import com.liferay.portal.model.LayoutSet;
028 import com.liferay.portal.model.impl.LayoutImpl;
029 import com.liferay.portal.service.GroupLocalServiceUtil;
030 import com.liferay.portal.servlet.I18nServlet;
031 import com.liferay.portal.servlet.filters.BasePortalFilter;
032 import com.liferay.portal.util.PortalInstances;
033 import com.liferay.portal.util.PortalUtil;
034 import com.liferay.portal.util.PropsValues;
035 import com.liferay.portal.util.WebKeys;
036 import com.liferay.portal.webserver.WebServerServlet;
037
038 import java.util.Set;
039
040 import javax.servlet.FilterChain;
041 import javax.servlet.FilterConfig;
042 import javax.servlet.RequestDispatcher;
043 import javax.servlet.ServletContext;
044 import javax.servlet.http.HttpServletRequest;
045 import javax.servlet.http.HttpServletResponse;
046
047
057 public class VirtualHostFilter extends BasePortalFilter {
058
059 @Override
060 public void init(FilterConfig filterConfig) {
061 super.init(filterConfig);
062
063 _servletContext = filterConfig.getServletContext();
064
065 _slashedKeywords =
066 new String[PropsValues.LAYOUT_FRIENDLY_URL_KEYWORDS.length];
067
068 for (int i = 0; i < PropsValues.LAYOUT_FRIENDLY_URL_KEYWORDS.length;
069 i++) {
070
071 String keyword = PropsValues.LAYOUT_FRIENDLY_URL_KEYWORDS[i];
072
073 if (keyword.contains(StringPool.PERIOD) ||
074 keyword.equals("_vti_") || keyword.equals("display_chart") ||
075 keyword.equals("software_catalog")) {
076
077 keyword = StringPool.SLASH + keyword;
078 }
079 else {
080 keyword = StringPool.SLASH + keyword + StringPool.SLASH;
081 }
082
083 _slashedKeywords[i] = keyword.toLowerCase();
084 }
085 }
086
087 @Override
088 public boolean isFilterEnabled(
089 HttpServletRequest request, HttpServletResponse response) {
090
091 StringBuffer requestURL = request.getRequestURL();
092
093 if (isValidRequestURL(requestURL)) {
094 return true;
095 }
096 else {
097 return false;
098 }
099 }
100
101 protected boolean isValidFriendlyURL(String friendlyURL) {
102 friendlyURL = friendlyURL.toLowerCase();
103
104 if (PortalInstances.isVirtualHostsIgnorePath(friendlyURL) ||
105 friendlyURL.startsWith(_PRIVATE_GROUP_SERVLET_MAPPING_SLASH) ||
106 friendlyURL.startsWith(_PRIVATE_USER_SERVLET_MAPPING_SLASH) ||
107 friendlyURL.startsWith(_PUBLIC_GROUP_SERVLET_MAPPING_SLASH)) {
108
109 return false;
110 }
111
112 for (String keyword : _slashedKeywords) {
113 if (friendlyURL.startsWith(keyword)) {
114 return false;
115 }
116 }
117
118 int code = LayoutImpl.validateFriendlyURL(friendlyURL);
119
120 if ((code > -1) &&
121 (code != LayoutFriendlyURLException.ENDS_WITH_SLASH)) {
122
123 return false;
124 }
125
126 return true;
127 }
128
129 protected boolean isValidRequestURL(StringBuffer requestURL) {
130 if (requestURL == null) {
131 return false;
132 }
133
134 String url = requestURL.toString();
135
136 for (String extension : PropsValues.VIRTUAL_HOSTS_IGNORE_EXTENSIONS) {
137 if (url.endsWith(extension)) {
138 return false;
139 }
140 }
141
142 return true;
143 }
144
145 @Override
146 protected void processFilter(
147 HttpServletRequest request, HttpServletResponse response,
148 FilterChain filterChain)
149 throws Exception {
150
151 long companyId = PortalInstances.getCompanyId(request);
152
153 String contextPath = PortalUtil.getPathContext();
154
155 String originalFriendlyURL = request.getRequestURI();
156
157 String friendlyURL = originalFriendlyURL;
158
159 if ((Validator.isNotNull(contextPath)) &&
160 (friendlyURL.indexOf(contextPath) != -1)) {
161
162 friendlyURL = friendlyURL.substring(contextPath.length());
163 }
164
165 friendlyURL = StringUtil.replace(
166 friendlyURL, StringPool.DOUBLE_SLASH, StringPool.SLASH);
167
168 String i18nLanguageId = null;
169
170 Set<String> languageIds = I18nServlet.getLanguageIds();
171
172 for (String languageId : languageIds) {
173 if (StringUtil.startsWith(friendlyURL, languageId)) {
174 int pos = friendlyURL.indexOf(CharPool.SLASH, 1);
175
176 if (((pos != -1) && (pos != languageId.length())) ||
177 ((pos == -1) &&
178 !friendlyURL.equalsIgnoreCase(languageId))) {
179
180 continue;
181 }
182
183 if (pos == -1) {
184 i18nLanguageId = languageId;
185 friendlyURL = StringPool.SLASH;
186 }
187 else {
188 i18nLanguageId = languageId.substring(0, pos);
189 friendlyURL = friendlyURL.substring(pos);
190 }
191
192 break;
193 }
194 }
195
196 friendlyURL = StringUtil.replace(
197 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING, StringPool.BLANK);
198
199 if (_log.isDebugEnabled()) {
200 _log.debug("Friendly URL " + friendlyURL);
201 }
202
203 if (!friendlyURL.equals(StringPool.SLASH) &&
204 !isValidFriendlyURL(friendlyURL)) {
205
206 _log.debug("Friendly URL is not valid");
207
208 processFilter(
209 VirtualHostFilter.class, request, response, filterChain);
210
211 return;
212 }
213 else if (friendlyURL.startsWith(_PATH_DOCUMENTS)) {
214 if (WebServerServlet.hasFiles(request)) {
215 processFilter(
216 VirtualHostFilter.class, request, response, filterChain);
217
218 return;
219 }
220 }
221
222 LayoutSet layoutSet = (LayoutSet)request.getAttribute(
223 WebKeys.VIRTUAL_HOST_LAYOUT_SET);
224
225 if (_log.isDebugEnabled()) {
226 _log.debug("Layout set " + layoutSet);
227 }
228
229 if (layoutSet == null) {
230 processFilter(
231 VirtualHostFilter.class, request, response, filterChain);
232
233 return;
234 }
235
236 try {
237 LastPath lastPath = new LastPath(
238 contextPath, friendlyURL, request.getParameterMap());
239
240 request.setAttribute(WebKeys.LAST_PATH, lastPath);
241
242 StringBundler forwardURL = new StringBundler(5);
243
244 if (i18nLanguageId != null) {
245 forwardURL.append(i18nLanguageId);
246 }
247
248 if (originalFriendlyURL.startsWith(
249 PropsValues.WIDGET_SERVLET_MAPPING)) {
250
251 forwardURL.append(PropsValues.WIDGET_SERVLET_MAPPING);
252
253 friendlyURL = StringUtil.replaceFirst(
254 friendlyURL, PropsValues.WIDGET_SERVLET_MAPPING,
255 StringPool.BLANK);
256 }
257
258 long plid = PortalUtil.getPlidFromFriendlyURL(
259 companyId, friendlyURL);
260
261 if (plid <= 0) {
262 Group group = GroupLocalServiceUtil.getGroup(
263 layoutSet.getGroupId());
264
265 if (group.isGuest() && friendlyURL.equals(StringPool.SLASH)) {
266 String homeURL = PortalUtil.getRelativeHomeURL(request);
267
268 if (Validator.isNotNull(homeURL)) {
269 friendlyURL = homeURL;
270 }
271 }
272 else {
273 if (layoutSet.isPrivateLayout()) {
274 if (group.isUser()) {
275 forwardURL.append(_PRIVATE_USER_SERVLET_MAPPING);
276 }
277 else {
278 forwardURL.append(_PRIVATE_GROUP_SERVLET_MAPPING);
279 }
280 }
281 else {
282 forwardURL.append(_PUBLIC_GROUP_SERVLET_MAPPING);
283 }
284
285 forwardURL.append(group.getFriendlyURL());
286 }
287 }
288
289 forwardURL.append(friendlyURL);
290
291 if (_log.isDebugEnabled()) {
292 _log.debug("Forward to " + forwardURL);
293 }
294
295 RequestDispatcher requestDispatcher =
296 _servletContext.getRequestDispatcher(forwardURL.toString());
297
298 requestDispatcher.forward(request, response);
299 }
300 catch (Exception e) {
301 _log.error(e, e);
302
303 processFilter(
304 VirtualHostFilter.class, request, response, filterChain);
305 }
306 }
307
308 private static final String _PATH_DOCUMENTS = "/documents/";
309
310 private static final String _PRIVATE_GROUP_SERVLET_MAPPING =
311 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_GROUP_SERVLET_MAPPING;
312
313 private static final String _PRIVATE_GROUP_SERVLET_MAPPING_SLASH =
314 _PRIVATE_GROUP_SERVLET_MAPPING + StringPool.SLASH;
315
316 private static final String _PRIVATE_USER_SERVLET_MAPPING =
317 PropsValues.LAYOUT_FRIENDLY_URL_PRIVATE_USER_SERVLET_MAPPING;
318
319 private static final String _PRIVATE_USER_SERVLET_MAPPING_SLASH =
320 _PRIVATE_USER_SERVLET_MAPPING + StringPool.SLASH;
321
322 private static final String _PUBLIC_GROUP_SERVLET_MAPPING =
323 PropsValues.LAYOUT_FRIENDLY_URL_PUBLIC_SERVLET_MAPPING;
324
325 private static final String _PUBLIC_GROUP_SERVLET_MAPPING_SLASH =
326 _PUBLIC_GROUP_SERVLET_MAPPING + StringPool.SLASH;
327
328 private static Log _log = LogFactoryUtil.getLog(VirtualHostFilter.class);
329
330 private ServletContext _servletContext;
331 private String[] _slashedKeywords;
332
333 }