From f16c686b6e8bda61b2325b3668323517d725c9a4 Mon Sep 17 00:00:00 2001
From: Shireesh Anjal <shireesh@gluster.com>
Date: Mon, 18 Apr 2011 22:13:25 +0530
Subject: Introducing resource filter for maintaining audit trail

---
 .../WebContent/WEB-INF/web.xml                     |  4 +++
 .../management/server/filters/AuditFilter.java     | 31 ++++++++++++++++++++++
 .../filters/GlusterResourceFilterFactory.java      | 31 ++++++++++++++++++++++
 3 files changed, 66 insertions(+)
 create mode 100644 src/com.gluster.storage.management.server/src/com/gluster/storage/management/server/filters/AuditFilter.java
 create mode 100644 src/com.gluster.storage.management.server/src/com/gluster/storage/management/server/filters/GlusterResourceFilterFactory.java

diff --git a/src/com.gluster.storage.management.server/WebContent/WEB-INF/web.xml b/src/com.gluster.storage.management.server/WebContent/WEB-INF/web.xml
index 34337a5d..6d7d1406 100644
--- a/src/com.gluster.storage.management.server/WebContent/WEB-INF/web.xml
+++ b/src/com.gluster.storage.management.server/WebContent/WEB-INF/web.xml
@@ -37,6 +37,10 @@
 			<param-name>com.sun.jersey.config.property.packages</param-name>
 			<param-value>com.gluster.storage.management.server.resources</param-value>
 		</init-param>
+		<init-param>
+			<param-name>com.sun.jersey.spi.container.ResourceFilters</param-name>
+			<param-value>com.gluster.storage.management.server.filters.GlusterResourceFilterFactory</param-value>
+		</init-param>
 		<load-on-startup>1</load-on-startup>
 	</servlet>
 	<servlet-mapping>
diff --git a/src/com.gluster.storage.management.server/src/com/gluster/storage/management/server/filters/AuditFilter.java b/src/com.gluster.storage.management.server/src/com/gluster/storage/management/server/filters/AuditFilter.java
new file mode 100644
index 00000000..b23d9c4f
--- /dev/null
+++ b/src/com.gluster.storage.management.server/src/com/gluster/storage/management/server/filters/AuditFilter.java
@@ -0,0 +1,31 @@
+/**
+ * 
+ */
+package com.gluster.storage.management.server.filters;
+
+import com.sun.jersey.spi.container.ContainerRequest;
+import com.sun.jersey.spi.container.ContainerRequestFilter;
+import com.sun.jersey.spi.container.ContainerResponseFilter;
+import com.sun.jersey.spi.container.ResourceFilter;
+
+/**
+ * Resource filter for maintaining audit trail of resource access
+ */
+public class AuditFilter implements ResourceFilter, ContainerRequestFilter {
+
+	@Override
+	public ContainerRequestFilter getRequestFilter() {
+		return this;
+	}
+
+	@Override
+	public ContainerResponseFilter getResponseFilter() {
+		return null;
+	}
+
+	@Override
+	public ContainerRequest filter(ContainerRequest req) {
+		System.out.println("Resource access [" + req.getMethod() + "][" + req.getPath() + "]");
+		return req;
+	}
+}
diff --git a/src/com.gluster.storage.management.server/src/com/gluster/storage/management/server/filters/GlusterResourceFilterFactory.java b/src/com.gluster.storage.management.server/src/com/gluster/storage/management/server/filters/GlusterResourceFilterFactory.java
new file mode 100644
index 00000000..899ba16e
--- /dev/null
+++ b/src/com.gluster.storage.management.server/src/com/gluster/storage/management/server/filters/GlusterResourceFilterFactory.java
@@ -0,0 +1,31 @@
+/**
+ * 
+ */
+package com.gluster.storage.management.server.filters;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.sun.jersey.api.model.AbstractMethod;
+import com.sun.jersey.spi.container.ResourceFilter;
+import com.sun.jersey.spi.container.ResourceFilterFactory;
+
+/**
+ * Gluster resource filter factory. As of now, this creates only one filter - the audit filter {@code AuditFilter}
+ */
+public class GlusterResourceFilterFactory implements ResourceFilterFactory {
+
+	public GlusterResourceFilterFactory() {
+	}
+	
+	/* (non-Javadoc)
+	 * @see com.sun.jersey.spi.container.ResourceFilterFactory#create(com.sun.jersey.api.model.AbstractMethod)
+	 */
+	@Override
+	public List<ResourceFilter> create(AbstractMethod arg0) {
+		List<ResourceFilter> filters = new ArrayList<ResourceFilter>();
+		filters.add(new AuditFilter());
+		
+		return filters;
+	}
+}
-- 
cgit