odl/aaa clone

Change-Id: I2b72c16aa3245e02d985a2c6189aacee7caad36e
Signed-off-by: WuKong <rebirthmonkey@gmail.com>

1 files changed, 88 insertions, 0 deletions

diff --git a/odl-aaa-moon/aaa-authn/src/main/java/org/opendaylight/aaa/ClientManager.java b/odl-aaa-moon/aaa-authn/src/main/java/org/opendaylight/aaa/ClientManager.java
new file mode 100644
index 00000000..e7e51424
--- /dev/null
+++ b/odl-aaa-moon/aaa-authn/src/main/java/org/opendaylight/aaa/ClientManager.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2014 Hewlett-Packard Development Company, L.P. 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;
+
+import java.util.Dictionary;
+import java.util.HashMap;
+import java.util.Hashtable;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import org.apache.felix.dm.Component;
+import org.opendaylight.aaa.api.AuthenticationException;
+import org.opendaylight.aaa.api.ClientService;
+import org.osgi.service.cm.ConfigurationException;
+import org.osgi.service.cm.ManagedService;
+
+/**
+ * A configuration-based client manager.
+ *
+ * @author liemmn
+ *
+ */
+public class ClientManager implements ClientService, ManagedService {
+    static final String CLIENTS = "authorizedClients";
+    private static final String CLIENTS_FORMAT_ERR = "Clients are space-delimited in the form of <client_id>:<client_secret>";
+    private static final String UNAUTHORIZED_CLIENT_ERR = "Unauthorized client";
+
+    // Defaults (needed only for non-Karaf deployments)
+    static final Dictionary<String, String> defaults = new Hashtable<>();
+    static {
+        defaults.put(CLIENTS, "dlux:secrete");
+    }
+
+    private final Map<String, String> clients = new ConcurrentHashMap<>();
+
+    // This should be a singleton
+    ClientManager() {
+    }
+
+    // Called by DM when all required dependencies are satisfied.
+    void init(Component c) throws ConfigurationException {
+        reconfig(defaults);
+    }
+
+    @Override
+    public void validate(String clientId, String clientSecret) throws AuthenticationException {
+        // TODO: Post-Helium, we will support a CRUD API
+        if (!clients.containsKey(clientId)) {
+            throw new AuthenticationException(UNAUTHORIZED_CLIENT_ERR);
+        }
+        if (!clients.get(clientId).equals(clientSecret)) {
+            throw new AuthenticationException(UNAUTHORIZED_CLIENT_ERR);
+        }
+    }
+
+    @Override
+    public void updated(Dictionary<String, ?> props) throws ConfigurationException {
+        if (props == null) {
+            props = defaults;
+        }
+        reconfig(props);
+    }
+
+    // Reconfigure the client map...
+    private void reconfig(@SuppressWarnings("rawtypes") Dictionary props)
+            throws ConfigurationException {
+        try {
+            String authorizedClients = (String) props.get(CLIENTS);
+            Map<String, String> newClients = new HashMap<>();
+            if (authorizedClients != null) {
+                for (String client : authorizedClients.split(" ")) {
+                    String[] aClient = client.split(":");
+                    newClients.put(aClient[0], aClient[1]);
+                }
+            }
+            clients.clear();
+            clients.putAll(newClients);
+        } catch (Throwable t) {
+            throw new ConfigurationException(null, CLIENTS_FORMAT_ERR);
+        }
+    }
+
+}