From e63b03f3d7e4851e008e4bb4d184982c2c0bd229 Mon Sep 17 00:00:00 2001
From: WuKong <rebirthmonkey@gmail.com>
Date: Tue, 24 May 2016 17:13:17 +0200
Subject: odl/aaa clone

Change-Id: I2b72c16aa3245e02d985a2c6189aacee7caad36e
Signed-off-by: WuKong <rebirthmonkey@gmail.com>
---
 .../org/opendaylight/aaa/shiro/ServiceProxy.java   | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 odl-aaa-moon/aaa-shiro/src/main/java/org/opendaylight/aaa/shiro/ServiceProxy.java

(limited to 'odl-aaa-moon/aaa-shiro/src/main/java/org/opendaylight/aaa/shiro/ServiceProxy.java')

diff --git a/odl-aaa-moon/aaa-shiro/src/main/java/org/opendaylight/aaa/shiro/ServiceProxy.java b/odl-aaa-moon/aaa-shiro/src/main/java/org/opendaylight/aaa/shiro/ServiceProxy.java
new file mode 100644
index 00000000..e4485d73
--- /dev/null
+++ b/odl-aaa-moon/aaa-shiro/src/main/java/org/opendaylight/aaa/shiro/ServiceProxy.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2016 Brocade Communications Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.aaa.shiro;
+
+import org.opendaylight.aaa.shiro.filters.AAAFilter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Responsible for enabling and disabling the AAA service. By default, the
+ * service is disabled; the AAAFilter will not require AuthN or AuthZ. The
+ * service is enabled through calling
+ * <code>ServiceProxy.getInstance().setEnabled(true)</code>. AuthN and AuthZ are
+ * disabled by default in order to support workflows such as the feature
+ * <code>odl-restconf-noauth</code>.
+ *
+ * The AAA service is enabled through installing the <code>odl-aaa-shiro</code>
+ * feature. The <code>org.opendaylight.aaa.shiroact.Activator()</code>
+ * constructor calls enables AAA through the ServiceProxy, which in turn enables
+ * the AAAFilter.
+ *
+ * ServiceProxy is a singleton; access to the ServiceProxy is granted through
+ * the <code>getInstance()</code> function.
+ *
+ * @author Ryan Goulding (ryandgoulding@gmail.com)
+ * @see <a
+ *      href="https://github.com/opendaylight/netconf/blob/master/opendaylight/restconf/sal-rest-connector/src/main/resources/WEB-INF/web.xml">resconf
+ *      web,xml</a>
+ * @see <code>org.opendaylight.aaa.shiro.Activator</code>
+ * @see <code>org.opendaylight.aaa.shiro.filters.AAAFilter</code>
+ */
+public class ServiceProxy {
+    private static final Logger LOG = LoggerFactory.getLogger(ServiceProxy.class);
+
+    /**
+     * AuthN and AuthZ are disabled by default to support workflows included in
+     * features such as <code>odl-restconf-noauth</code>
+     */
+    public static final boolean DEFAULT_AA_ENABLE_STATUS = false;
+
+    private static ServiceProxy instance = new ServiceProxy();
+    private volatile boolean enabled = false;
+    private AAAFilter filter;
+
+    /**
+     * private for singleton pattern
+     */
+    private ServiceProxy() {
+        final String INFO_MESSAGE = "Creating the ServiceProxy";
+        LOG.info(INFO_MESSAGE);
+    }
+
+    /**
+     * @return ServiceProxy, a feature level singleton
+     */
+    public static ServiceProxy getInstance() {
+        return instance;
+    }
+
+    /**
+     * Enables/disables the feature, cascading the state information to the
+     * AAAFilter.
+     *
+     * @param enabled A flag indicating whether to enable the Service.
+     */
+    public synchronized void setEnabled(final boolean enabled) {
+        this.enabled = enabled;
+        final String SERVICE_ENABLED_INFO_MESSAGE = "Setting ServiceProxy enabled to " + enabled;
+        LOG.info(SERVICE_ENABLED_INFO_MESSAGE);
+        // check for null because of non-determinism in bundle load
+        if (filter != null) {
+            filter.setEnabled(enabled);
+        }
+    }
+
+    /**
+     * Extract whether the service is enabled.
+     *
+     * @param filter
+     *            register an optional Filter for callback if enable state
+     *            changes
+     * @return Whether the service is enabled
+     */
+    public synchronized boolean getEnabled(final AAAFilter filter) {
+        this.filter = filter;
+        return enabled;
+    }
+}
-- 
cgit 1.2.3-korg