| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| *******************************************************************************/ |
| package org.ofbiz.product.category.ftl; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import javax.servlet.ServletContext; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.servlet.http.HttpSession; |
| |
| import org.apache.oro.text.regex.Pattern; |
| import org.apache.oro.text.regex.Perl5Matcher; |
| import org.ofbiz.base.util.Debug; |
| import org.ofbiz.entity.GenericValue; |
| import org.ofbiz.product.category.SeoConfigUtil; |
| import org.ofbiz.webapp.control.RequestHandler; |
| |
| import freemarker.core.Environment; |
| import freemarker.ext.beans.BeanModel; |
| import freemarker.template.SimpleScalar; |
| import freemarker.template.TemplateScalarModel; |
| import freemarker.template.TemplateTransformModel; |
| |
| /** |
| * UrlRegexpTransform - Freemarker Transform for Products URLs (links) |
| * |
| */ |
| public class UrlRegexpTransform implements TemplateTransformModel { |
| |
| private static final String module = UrlRegexpTransform.class.getName(); |
| |
| public boolean checkArg(Map args, String key, boolean defaultValue) { |
| if (!args.containsKey(key)) { |
| return defaultValue; |
| } else { |
| Object o = args.get(key); |
| if (o instanceof SimpleScalar) { |
| SimpleScalar s = (SimpleScalar) o; |
| return "true".equalsIgnoreCase(s.getAsString()); |
| } |
| return defaultValue; |
| } |
| } |
| |
| public Writer getWriter(final Writer out, Map args) { |
| final StringBuffer buf = new StringBuffer(); |
| final boolean fullPath = checkArg(args, "fullPath", false); |
| final boolean secure = checkArg(args, "secure", false); |
| final boolean encode = checkArg(args, "encode", true); |
| |
| return new Writer(out) { |
| |
| public void write(char cbuf[], int off, int len) { |
| buf.append(cbuf, off, len); |
| } |
| |
| public void flush() throws IOException { |
| out.flush(); |
| } |
| |
| public void close() throws IOException { |
| try { |
| Environment env = Environment.getCurrentEnvironment(); |
| BeanModel req = (BeanModel) env.getVariable("request"); |
| BeanModel res = (BeanModel) env.getVariable("response"); |
| Object prefix = env.getVariable("urlPrefix"); |
| if (req != null) { |
| HttpServletRequest request = (HttpServletRequest) req.getWrappedObject(); |
| ServletContext ctx = (ServletContext) request.getAttribute("servletContext"); |
| HttpServletResponse response = null; |
| if (res != null) { |
| response = (HttpServletResponse) res.getWrappedObject(); |
| } |
| HttpSession session = request.getSession(); |
| GenericValue userLogin = (GenericValue) session.getAttribute("userLogin"); |
| |
| // anonymous shoppers are not logged in |
| if (userLogin != null && "anonymous".equals(userLogin.getString("userLoginId"))) { |
| userLogin = null; |
| } |
| |
| RequestHandler rh = (RequestHandler) ctx.getAttribute("_REQUEST_HANDLER_"); |
| out.write(seoUrl(rh.makeLink(request, response, buf.toString(), fullPath, secure, encode), userLogin == null)); |
| } else if (prefix != null) { |
| if (prefix instanceof TemplateScalarModel) { |
| TemplateScalarModel s = (TemplateScalarModel) prefix; |
| String prefixString = s.getAsString(); |
| String bufString = buf.toString(); |
| boolean prefixSlash = prefixString.endsWith("/"); |
| boolean bufSlash = bufString.startsWith("/"); |
| if (prefixSlash && bufSlash) { |
| bufString = bufString.substring(1); |
| } else if (!prefixSlash && !bufSlash) { |
| bufString = "/" + bufString; |
| } |
| out.write(prefixString + bufString); |
| } |
| } else { |
| out.write(buf.toString()); |
| } |
| } catch (Exception e) { |
| throw new IOException(e.getMessage()); |
| } |
| } |
| }; |
| } |
| |
| /** |
| * Transform a url according to seo pattern regular expressions. |
| * |
| * @param url |
| * , String to do the seo transform |
| * @param isAnon |
| * , boolean to indicate whether it's an anonymous visit. |
| * |
| * @return String, the transformed url. |
| */ |
| public static String seoUrl(String url, boolean isAnon) { |
| Perl5Matcher matcher = new Perl5Matcher(); |
| if (SeoConfigUtil.checkUseUrlRegexp() && matcher.matches(url, SeoConfigUtil.getGeneralRegexpPattern())) { |
| Iterator<String> keys = SeoConfigUtil.getSeoPatterns().keySet().iterator(); |
| boolean foundMatch = false; |
| while (keys.hasNext()) { |
| String key = keys.next(); |
| Pattern pattern = SeoConfigUtil.getSeoPatterns().get(key); |
| if (pattern.getPattern().contains(";jsessionid=")) { |
| if (isAnon) { |
| if (SeoConfigUtil.isJSessionIdAnonEnabled()) { |
| continue; |
| } |
| } else { |
| if (SeoConfigUtil.isJSessionIdUserEnabled()) { |
| continue; |
| } else { |
| boolean foundException = false; |
| for (int i = 0; i < SeoConfigUtil.getUserExceptionPatterns().size(); i++) { |
| if (matcher.matches(url, SeoConfigUtil.getUserExceptionPatterns().get(i))) { |
| foundException = true; |
| break; |
| } |
| } |
| if (foundException) { |
| continue; |
| } |
| } |
| } |
| } |
| String replacement = SeoConfigUtil.getSeoReplacements().get(key); |
| if (matcher.matches(url, pattern)) { |
| for (int i = 1; i < matcher.getMatch().groups(); i++) { |
| replacement = replacement.replaceAll("\\$" + i, matcher.getMatch().group(i)); |
| } |
| // break if found any matcher |
| url = replacement; |
| foundMatch = true; |
| break; |
| } |
| } |
| if (!foundMatch) { |
| Debug.logVerbose("Can NOT find a seo transform pattern for this url: " + url, module); |
| } |
| } |
| return url; |
| } |
| |
| static { |
| SeoConfigUtil.init(); |
| } |
| |
| /** |
| * Forward a uri according to forward pattern regular expressions. Note: this is developed for Filter usage. |
| * |
| * @param uri |
| * String to reverse transform |
| * @return String |
| */ |
| public static boolean forwardUri(HttpServletResponse response, String uri) { |
| Perl5Matcher matcher = new Perl5Matcher(); |
| boolean foundMatch = false; |
| Integer responseCodeInt = null; |
| if (SeoConfigUtil.checkUseUrlRegexp() && SeoConfigUtil.getSeoPatterns() != null && SeoConfigUtil.getForwardReplacements() != null) { |
| Iterator<String> keys = SeoConfigUtil.getSeoPatterns().keySet().iterator(); |
| while (keys.hasNext()) { |
| String key = keys.next(); |
| Pattern pattern = SeoConfigUtil.getSeoPatterns().get(key); |
| String replacement = SeoConfigUtil.getForwardReplacements().get(key); |
| if (matcher.matches(uri, pattern)) { |
| for (int i = 1; i < matcher.getMatch().groups(); i++) { |
| replacement = replacement.replaceAll("\\$" + i, matcher.getMatch().group(i)); |
| } |
| // break if found any matcher |
| uri = replacement; |
| responseCodeInt = SeoConfigUtil.getForwardResponseCodes().get(key); |
| foundMatch = true; |
| break; |
| } |
| } |
| } |
| if (foundMatch) { |
| if (responseCodeInt == null) { |
| response.setStatus(SeoConfigUtil.DEFAULT_RESPONSECODE); |
| } else { |
| response.setStatus(responseCodeInt.intValue()); |
| } |
| response.setHeader("Location", uri); |
| } else { |
| Debug.logInfo("Can NOT forward this url: " + uri, module); |
| } |
| return foundMatch; |
| } |
| } |