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[Archive-access-cvs] SF.net SVN: archive-access:[3107] trunk/archive-access/projects/wayback/ wayback-core/src/main/java/org/archive/wayback/webapp/ ServerRelativeArchivalRedirect.java
Revision: 3107
http://archive-access.svn.sourceforge.net/archive-access/?rev=3107&view=rev
Author: bradtofel
Date: 2010-05-18 23:00:00 +0000 (Tue, 18 May 2010)
Log Message:
-----------
REFACTOR: moved server-relative redirect code to this separate RequestHandler
Added Paths:
-----------
trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/webapp/ServerRelativeArchivalRedirect.java
Added: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/webapp/ServerRelativeArchivalRedirect.java
===================================================================
--- trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/webapp/ServerRelativeArchivalRedirect.java (rev 0)
+++ trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/webapp/ServerRelativeArchivalRedirect.java 2010-05-18 23:00:00 UTC (rev 3107)
@@ -0,0 +1,204 @@
+/* ServerRelativeArchivalRedirect
+ *
+ * $Id$:
+ *
+ * Created on May 3, 2010.
+ *
+ * Copyright (C) 2006 Internet Archive.
+ *
+ * This file is part of Wayback.
+ *
+ * Wayback is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * any later version.
+ *
+ * Wayback 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 Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser Public License
+ * along with Wayback; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+package org.archive.wayback.webapp;
+
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.log4j.Logger;
+import org.archive.net.UURI;
+import org.archive.net.UURIFactory;
+import org.archive.util.ArchiveUtils;
+import org.archive.wayback.util.url.UrlOperations;
+import org.archive.wayback.util.webapp.AbstractRequestHandler;
+
+/**
+ * @author brad
+ *
+ */
+public class ServerRelativeArchivalRedirect extends AbstractRequestHandler {
+ private static final Logger LOGGER = Logger.getLogger(
+ ServerRelativeArchivalRedirect.class.getName());
+ boolean useCollection = false;
+ private String matchHost = null;
+ private int matchPort = -1;
+
+ private boolean handleRequestWithCollection(HttpServletRequest httpRequest,
+ HttpServletResponse httpResponse) throws ServletException,
+ IOException {
+ boolean handled = false;
+ // hope that it's a server relative request, with a valid referrer:
+ String referer = httpRequest.getHeader("Referer");
+ if(referer != null) {
+ UURI uri = UURIFactory.getInstance(referer);
+ String path = uri.getPath();
+ int secondSlash = path.indexOf('/',1);
+ if(secondSlash > -1) {
+ String collection = path.substring(0,secondSlash);
+ String remainder = path.substring(secondSlash+1);
+ int thirdSlash = remainder.indexOf('/');
+ if(thirdSlash > -1) {
+ String datespec = remainder.substring(0,thirdSlash);
+ String url = ArchiveUtils.addImpliedHttpIfNecessary(
+ remainder.substring(thirdSlash+1));
+ String thisPath = httpRequest.getRequestURI();
+ String queryString = httpRequest.getQueryString();
+ if (queryString != null) {
+ thisPath += "?" + queryString;
+ }
+
+ String resolved = UrlOperations.resolveUrl(url, thisPath);
+ String contextPath = httpRequest.getContextPath();
+ String finalUrl = uri.getScheme() + "://" +
+ uri.getAuthority() + contextPath + collection + "/"
+ + datespec + "/" + resolved;
+ // cross your fingers!!!
+ LOGGER.info("Server-Relative-Redirect:\t" + referer + "\t"
+ + thisPath + "\t" + finalUrl);
+
+ // Gotta make sure this is properly cached, or
+ // weird things happen:
+ httpResponse.addHeader("Vary", "Referer");
+ httpResponse.sendRedirect(finalUrl);
+ handled = true;
+
+ }
+ }
+ }
+
+ return handled;
+ }
+
+ private boolean handleRequestWithoutCollection(HttpServletRequest httpRequest,
+ HttpServletResponse httpResponse) throws ServletException,
+ IOException {
+ boolean handled = false;
+ // hope that it's a server relative request, with a valid referrer:
+ String referer = httpRequest.getHeader("Referer");
+ if(referer != null) {
+ LOGGER.trace("referer:" + referer);
+ UURI uri = UURIFactory.getInstance(referer);
+ String path = uri.getPath();
+
+ String remainder = path.substring(1);
+ int thirdSlash = remainder.indexOf('/');
+ LOGGER.trace("referer:(" + referer + ") remain(" + remainder + ") 3rd("+thirdSlash+")");
+ if(thirdSlash > -1) {
+ String datespec = remainder.substring(0,thirdSlash);
+ String url = ArchiveUtils.addImpliedHttpIfNecessary(
+ remainder.substring(thirdSlash+1));
+ String thisPath = httpRequest.getRequestURI();
+ String queryString = httpRequest.getQueryString();
+ if (queryString != null) {
+ thisPath += "?" + queryString;
+ }
+
+ String resolved = UrlOperations.resolveUrl(url, thisPath);
+ String contextPath = httpRequest.getContextPath();
+ String finalUrl = uri.getScheme() + "://" +
+ uri.getAuthority() + contextPath + "/"
+ + datespec + "/" + resolved;
+ // cross your fingers!!!
+ LOGGER.info("Server-Relative-Redirect:\t" + referer + "\t"
+ + thisPath + "\t" + finalUrl);
+
+ // Gotta make sure this is properly cached, or
+ // weird things happen:
+ httpResponse.addHeader("Vary", "Referer");
+ httpResponse.sendRedirect(finalUrl);
+ handled = true;
+
+ }
+ }
+
+ return handled;
+ }
+
+ public boolean handleRequest(HttpServletRequest httpRequest,
+ HttpServletResponse httpResponse) throws ServletException,
+ IOException {
+ if(matchHost != null) {
+
+ if(!matchHost.equals(httpRequest.getServerName())) {
+ LOGGER.trace("Wrong host for ServerRelativeRed(" +
+ httpRequest.getServerName() +")");
+ return false;
+ }
+ }
+ if(matchPort != -1) {
+ if(matchPort != httpRequest.getLocalPort()) {
+ LOGGER.trace("Wrong port for ServerRealtiveRed(" +
+ httpRequest.getServerName() + ")(" +
+ httpRequest.getLocalPort() +") :" +
+ httpRequest.getRequestURI());
+ return false;
+ }
+ }
+ return useCollection ?
+ handleRequestWithCollection(httpRequest, httpResponse):
+ handleRequestWithoutCollection(httpRequest, httpResponse);
+ }
+
+ /**
+ * @return the useCollection
+ */
+ public boolean isUseCollection() {
+ return useCollection;
+ }
+ /**
+ * @param useCollection the useCollection to set
+ */
+ public void setUseCollection(boolean useCollection) {
+ this.useCollection = useCollection;
+ }
+ /**
+ * @return the matchHost
+ */
+ public String getMatchHost() {
+ return matchHost;
+ }
+ /**
+ * @param matchHost the matchHost to set
+ */
+ public void setMatchHost(String matchHost) {
+ this.matchHost = matchHost;
+ }
+ /**
+ * @return the matchPort
+ */
+ public int getMatchPort() {
+ return matchPort;
+ }
+ /**
+ * @param matchPort the matchPort to set
+ */
+ public void setMatchPort(int matchPort) {
+ this.matchPort = matchPort;
+ }
+}
Property changes on: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/webapp/ServerRelativeArchivalRedirect.java
___________________________________________________________________
Added: svn:keywords
+ Author Date Revision Id
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