From 9bdf88df00e9abf99442e14a33ed6215b32026b6 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Tue, 02 Oct 2012 17:22:35 -0400
Subject: [PATCH] Use a custom redirect mechanism to workaround servlet container interference

---
 src/com/gitblit/wicket/pages/UserPage.java            |    6 +-
 src/com/gitblit/wicket/pages/EmptyRepositoryPage.java |    6 ++-
 src/com/gitblit/wicket/pages/ProjectPage.java         |    8 ++--
 src/com/gitblit/wicket/GitblitRedirectException.java  |   49 ++++++++++++++++++++++++
 4 files changed, 60 insertions(+), 9 deletions(-)

diff --git a/src/com/gitblit/wicket/GitblitRedirectException.java b/src/com/gitblit/wicket/GitblitRedirectException.java
new file mode 100644
index 0000000..c3df1ac
--- /dev/null
+++ b/src/com/gitblit/wicket/GitblitRedirectException.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2012 gitblit.com.
+ *
+ * Licensed 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 com.gitblit.wicket;
+
+import org.apache.wicket.AbstractRestartResponseException;
+import org.apache.wicket.Page;
+import org.apache.wicket.PageParameters;
+import org.apache.wicket.RequestCycle;
+import org.apache.wicket.protocol.http.RequestUtils;
+import org.apache.wicket.request.target.basic.RedirectRequestTarget;
+
+/**
+ * This exception bypasses the servlet container rewriting relative redirect
+ * urls.  The container can and does decode the carefully crafted %2F path
+ * separators on a redirect.  :(  Bad, bad servlet container.
+ * 
+ * org.eclipse.jetty.server.Response#L447: String path=uri.getDecodedPath();
+ * 
+ * @author James Moger
+ */
+public class GitblitRedirectException extends AbstractRestartResponseException {
+
+	private static final long serialVersionUID = 1L;
+
+	public <C extends Page> GitblitRedirectException(Class<C> pageClass) {
+		this(pageClass, null);
+	}
+
+	public <C extends Page> GitblitRedirectException(Class<C> pageClass, PageParameters params) {
+		RequestCycle cycle = RequestCycle.get();
+		String relativeUrl = cycle.urlFor(pageClass, params).toString();
+		String absoluteUrl = RequestUtils.toAbsolutePath(relativeUrl);
+		cycle.setRequestTarget(new RedirectRequestTarget(absoluteUrl));
+		cycle.setRedirect(true);
+	}
+}
diff --git a/src/com/gitblit/wicket/pages/EmptyRepositoryPage.java b/src/com/gitblit/wicket/pages/EmptyRepositoryPage.java
index e21d616..ad74af8 100644
--- a/src/com/gitblit/wicket/pages/EmptyRepositoryPage.java
+++ b/src/com/gitblit/wicket/pages/EmptyRepositoryPage.java
@@ -20,13 +20,13 @@
 import java.util.List;
 
 import org.apache.wicket.PageParameters;
-import org.apache.wicket.RedirectException;
 import org.apache.wicket.markup.html.basic.Label;
 
 import com.gitblit.GitBlit;
 import com.gitblit.Keys;
 import com.gitblit.models.RepositoryModel;
 import com.gitblit.utils.ArrayUtils;
+import com.gitblit.wicket.GitblitRedirectException;
 import com.gitblit.wicket.WicketUtils;
 import com.gitblit.wicket.panels.RepositoryUrlPanel;
 
@@ -35,12 +35,14 @@
 	public EmptyRepositoryPage(PageParameters params) {
 		super(params);
 
+		setVersioned(false);
+
 		String repositoryName = WicketUtils.getRepositoryName(params);
 		RepositoryModel repository = GitBlit.self().getRepositoryModel(repositoryName);
 		
 		if (repository.hasCommits) {
 			// redirect to the summary page if this repository is not empty
-			throw new RedirectException(SummaryPage.class, params);
+			throw new GitblitRedirectException(SummaryPage.class, params);
 		}
 		
 		setupPage(repositoryName, getString("gb.emptyRepository"));
diff --git a/src/com/gitblit/wicket/pages/ProjectPage.java b/src/com/gitblit/wicket/pages/ProjectPage.java
index 3679a6f..bc546df 100644
--- a/src/com/gitblit/wicket/pages/ProjectPage.java
+++ b/src/com/gitblit/wicket/pages/ProjectPage.java
@@ -31,7 +31,6 @@
 
 import org.apache.wicket.Component;
 import org.apache.wicket.PageParameters;
-import org.apache.wicket.RedirectException;
 import org.apache.wicket.behavior.HeaderContributor;
 import org.apache.wicket.markup.html.basic.Label;
 import org.apache.wicket.markup.html.link.ExternalLink;
@@ -53,6 +52,7 @@
 import com.gitblit.utils.StringUtils;
 import com.gitblit.wicket.GitBlitWebApp;
 import com.gitblit.wicket.GitBlitWebSession;
+import com.gitblit.wicket.GitblitRedirectException;
 import com.gitblit.wicket.PageRegistration;
 import com.gitblit.wicket.PageRegistration.DropDownMenuItem;
 import com.gitblit.wicket.PageRegistration.DropDownMenuRegistration;
@@ -70,7 +70,7 @@
 
 	public ProjectPage() {
 		super();
-		throw new RedirectException(GitBlitWebApp.get().getHomePage());
+		throw new GitblitRedirectException(GitBlitWebApp.get().getHomePage());
 	}
 
 	public ProjectPage(PageParameters params) {
@@ -94,12 +94,12 @@
 
 		String projectName = WicketUtils.getProjectName(params);
 		if (StringUtils.isEmpty(projectName)) {
-			throw new RedirectException(GitBlitWebApp.get().getHomePage());
+			throw new GitblitRedirectException(GitBlitWebApp.get().getHomePage());
 		}
 		
 		ProjectModel project = getProjectModel(projectName);
 		if (project == null) {
-			throw new RedirectException(GitBlitWebApp.get().getHomePage());
+			throw new GitblitRedirectException(GitBlitWebApp.get().getHomePage());
 		}
 		
 		add(new Label("projectTitle", project.getDisplayName()));
diff --git a/src/com/gitblit/wicket/pages/UserPage.java b/src/com/gitblit/wicket/pages/UserPage.java
index e366146..28450e9 100644
--- a/src/com/gitblit/wicket/pages/UserPage.java
+++ b/src/com/gitblit/wicket/pages/UserPage.java
@@ -21,7 +21,6 @@
 import java.util.List;
 
 import org.apache.wicket.PageParameters;
-import org.apache.wicket.RedirectException;
 import org.apache.wicket.markup.html.basic.Label;
 import org.apache.wicket.markup.repeater.Item;
 import org.apache.wicket.markup.repeater.data.DataView;
@@ -36,6 +35,7 @@
 import com.gitblit.utils.StringUtils;
 import com.gitblit.wicket.GitBlitWebApp;
 import com.gitblit.wicket.GitBlitWebSession;
+import com.gitblit.wicket.GitblitRedirectException;
 import com.gitblit.wicket.PageRegistration;
 import com.gitblit.wicket.PageRegistration.DropDownMenuItem;
 import com.gitblit.wicket.PageRegistration.DropDownMenuRegistration;
@@ -50,7 +50,7 @@
 
 	public UserPage() {
 		super();
-		throw new RedirectException(GitBlitWebApp.get().getHomePage());
+		throw new GitblitRedirectException(GitBlitWebApp.get().getHomePage());
 	}
 
 	public UserPage(PageParameters params) {
@@ -74,7 +74,7 @@
 
 		String userName = WicketUtils.getUsername(params);
 		if (StringUtils.isEmpty(userName)) {
-			throw new RedirectException(GitBlitWebApp.get().getHomePage());
+			throw new GitblitRedirectException(GitBlitWebApp.get().getHomePage());
 		}
 
 		UserModel user = GitBlit.self().getUserModel(userName);

--
Gitblit v1.9.1