From efcff98372b94c5ee3c1f367ce8bbffe93bbd2b5 Mon Sep 17 00:00:00 2001
From: Cristiano Nicolai
Date: Mon, 14 Feb 2011 11:12:03 +1000
Subject: [PATCH 5/5] Workaround to integrate jbpm-gwt-console-server with Guvnor when
 security is enabled

---
 jbpm-gwt/jbpm-gwt-server-war/pom.xml               |    6 ++
 .../console/filter/GuvnorAuthFilter.java           |   87 ++++++++++++++++++++
 2 files changed, 93 insertions(+), 0 deletions(-)
 create mode 100644 jbpm-gwt/jbpm-gwt-server-war/src/main/java/org/jbpm/integration/console/filter/GuvnorAuthFilter.java

diff --git a/jbpm-gwt/jbpm-gwt-server-war/pom.xml b/jbpm-gwt/jbpm-gwt-server-war/pom.xml
index 9ef9bc1..4a3757b 100644
--- a/jbpm-gwt/jbpm-gwt-server-war/pom.xml
+++ b/jbpm-gwt/jbpm-gwt-server-war/pom.xml
@@ -83,5 +83,11 @@
       <version>1.0</version>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+		<groupId>javax.servlet</groupId>
+		<artifactId>servlet-api</artifactId>
+		<version>2.5</version>
+		<scope>provided</scope>
+	</dependency>
   </dependencies>
 </project>
diff --git a/jbpm-gwt/jbpm-gwt-server-war/src/main/java/org/jbpm/integration/console/filter/GuvnorAuthFilter.java b/jbpm-gwt/jbpm-gwt-server-war/src/main/java/org/jbpm/integration/console/filter/GuvnorAuthFilter.java
new file mode 100644
index 0000000..cbcee60
--- /dev/null
+++ b/jbpm-gwt/jbpm-gwt-server-war/src/main/java/org/jbpm/integration/console/filter/GuvnorAuthFilter.java
@@ -0,0 +1,87 @@
+package org.jbpm.integration.console.filter;
+
+import java.io.IOException;
+import java.net.Authenticator;
+import java.net.PasswordAuthentication;
+import java.util.Properties;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+
+import org.jbpm.integration.console.forms.AbstractFormDispatcher;
+
+/**
+ * Servlet Filter implementation class GuvorURLAuthFilter
+ */
+public class GuvnorAuthFilter implements Filter {
+
+	private Authenticator authenticator;
+	
+    /**
+     * Default constructor. 
+     */
+    public GuvnorAuthFilter() {
+        
+    }
+
+	/**
+	 * @see Filter#destroy()
+	 */
+	public void destroy() {
+		
+	}
+
+	/**
+	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
+	 */
+	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+		 
+		if(authenticator == null){
+			
+			chain.doFilter(request, response);
+			
+		} else {
+		
+			Authenticator.setDefault(authenticator);
+			
+			chain.doFilter(request, response);
+			
+			Authenticator.setDefault(null);
+			
+		}
+		
+	}
+
+	/**
+	 * @see Filter#init(FilterConfig)
+	 */
+	public void init(FilterConfig fConfig) throws ServletException {
+		Properties properties = new Properties();
+		try {
+			properties.load(AbstractFormDispatcher.class.getResourceAsStream("/jbpm.console.properties"));
+		} catch (IOException e) {
+			throw new RuntimeException("Could not load jbpm.console.properties", e);
+		}
+		
+		final String user = (String)properties.get("jbpm.console.server.user");
+		final String passwd = (String)properties.get("jbpm.console.server.passwd");
+		
+		if(user != null && "".equals(user) == false){
+			authenticator = new Authenticator(){
+				
+				protected PasswordAuthentication getPasswordAuthentication() {
+					
+					return new PasswordAuthentication(user, passwd.toCharArray());
+
+				}
+				
+			};
+		}
+			
+	}
+
+}
-- 
1.7.3.4