odl/aaa clone

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

2 files changed, 199 insertions, 0 deletions

diff --git a/odl-aaa-moon/aaa-authn-store/src/main/java/org/opendaylight/aaa/store/Activator.java b/odl-aaa-moon/aaa-authn-store/src/main/java/org/opendaylight/aaa/store/Activator.java
new file mode 100644
index 00000000..f3299723
--- /dev/null
+++ b/odl-aaa-moon/aaa-authn-store/src/main/java/org/opendaylight/aaa/store/Activator.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2014, 2015 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.store;
+
+import java.util.Dictionary;
+import org.apache.felix.dm.DependencyActivatorBase;
+import org.apache.felix.dm.DependencyManager;
+import org.opendaylight.aaa.api.TokenStore;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.Constants;
+import org.osgi.service.cm.ManagedService;
+
+/**
+ * An activator for the default datastore implementation of {@link TokenStore}.
+ *
+ * @author liemmn
+ */
+public class Activator extends DependencyActivatorBase {
+
+    private static final String TOKEN_PID = "org.opendaylight.aaa.tokens";
+
+    @Override
+    public void init(BundleContext context, DependencyManager manager) throws Exception {
+        DefaultTokenStore ts = new DefaultTokenStore();
+        manager.add(createComponent().setInterface(new String[] { TokenStore.class.getName() },
+                null).setImplementation(ts));
+        context.registerService(ManagedService.class.getName(), ts,
+                addPid(DefaultTokenStore.defaults));
+    }
+
+    @Override
+    public void destroy(BundleContext context, DependencyManager manager) throws Exception {
+    }
+
+    private Dictionary<String, ?> addPid(Dictionary<String, String> dict) {
+        dict.put(Constants.SERVICE_PID, TOKEN_PID);
+        return dict;
+    }
+}
diff --git a/odl-aaa-moon/aaa-authn-store/src/main/java/org/opendaylight/aaa/store/DefaultTokenStore.java b/odl-aaa-moon/aaa-authn-store/src/main/java/org/opendaylight/aaa/store/DefaultTokenStore.java
new file mode 100644
index 00000000..df65be32
--- /dev/null
+++ b/odl-aaa-moon/aaa-authn-store/src/main/java/org/opendaylight/aaa/store/DefaultTokenStore.java
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2014, 2015 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.store;
+
+import java.io.File;
+import java.lang.management.ManagementFactory;
+import java.util.Dictionary;
+import java.util.Hashtable;
+import java.util.concurrent.locks.ReentrantLock;
+import javax.management.MBeanServer;
+import net.sf.ehcache.Cache;
+import net.sf.ehcache.CacheManager;
+import net.sf.ehcache.Element;
+import net.sf.ehcache.config.CacheConfiguration;
+import net.sf.ehcache.management.ManagementService;
+import org.apache.felix.dm.Component;
+import org.opendaylight.aaa.api.Authentication;
+import org.opendaylight.aaa.api.TokenStore;
+import org.osgi.service.cm.ConfigurationException;
+import org.osgi.service.cm.ManagedService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * A default token store for STS.
+ *
+ * @author liemmn
+ *
+ */
+public class DefaultTokenStore implements TokenStore, ManagedService {
+    private static final Logger LOG = LoggerFactory.getLogger(DefaultTokenStore.class);
+    private static final String TOKEN_STORE_CONFIG_ERR = "Token store configuration error";
+
+    private static final String TOKEN_CACHE_MANAGER = "org.opendaylight.aaa";
+    private static final String TOKEN_CACHE = "tokens";
+    private static final String EHCACHE_XML = "etc/ehcache.xml";
+
+    static final String MAX_CACHED_MEMORY = "maxCachedTokensInMemory";
+    static final String MAX_CACHED_DISK = "maxCachedTokensOnDisk";
+    static final String SECS_TO_LIVE = "secondsToLive";
+    static final String SECS_TO_IDLE = "secondsToIdle";
+
+    // Defaults (needed only for non-Karaf deployments)
+    static final Dictionary<String, String> defaults = new Hashtable<>();
+    static {
+        defaults.put(MAX_CACHED_MEMORY, Long.toString(10000));
+        defaults.put(MAX_CACHED_DISK, Long.toString(1000000));
+        defaults.put(SECS_TO_IDLE, Long.toString(3600));
+        defaults.put(SECS_TO_LIVE, Long.toString(3600));
+    }
+
+    // Token cache lock
+    private static final ReentrantLock cacheLock = new ReentrantLock();
+
+    // Token cache
+    private Cache tokens;
+
+    // This should be a singleton
+    DefaultTokenStore() {
+    }
+
+    // Called by DM when all required dependencies are satisfied.
+    void init(Component c) {
+        File ehcache = new File(EHCACHE_XML);
+        CacheManager cm;
+        if (ehcache.exists()) {
+            cm = CacheManager.create(ehcache.getAbsolutePath());
+            tokens = cm.getCache(TOKEN_CACHE);
+            LOG.info("Initialized token store with custom cache config");
+        } else {
+            cm = CacheManager.getInstance();
+            tokens = new Cache(
+                    new CacheConfiguration(TOKEN_CACHE,
+                            Integer.parseInt(defaults.get(MAX_CACHED_MEMORY))).maxEntriesLocalDisk(
+                            Integer.parseInt(defaults.get(MAX_CACHED_DISK)))
+                                                                              .timeToLiveSeconds(
+                                                                                      Long.parseLong(defaults.get(SECS_TO_LIVE)))
+                                                                              .timeToIdleSeconds(
+                                                                                      Long.parseLong(defaults.get(SECS_TO_IDLE))));
+            cm.addCache(tokens);
+            LOG.info("Initialized token store with default cache config");
+        }
+        cm.setName(TOKEN_CACHE_MANAGER);
+
+        // JMX for cache management
+        MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
+        ManagementService.registerMBeans(cm, mBeanServer, false, false, false, true);
+    }
+
+    // Called on shutdown
+    void destroy() {
+        LOG.info("Shutting down token store...");
+        CacheManager.getInstance().shutdown();
+    }
+
+    @Override
+    public Authentication get(String token) {
+        Element elem = tokens.get(token);
+        return (Authentication) ((elem != null) ? elem.getObjectValue() : null);
+    }
+
+    @Override
+    public void put(String token, Authentication auth) {
+        tokens.put(new Element(token, auth));
+    }
+
+    @Override
+    public boolean delete(String token) {
+        return tokens.remove(token);
+    }
+
+    @Override
+    public long tokenExpiration() {
+        return tokens.getCacheConfiguration().getTimeToLiveSeconds();
+    }
+
+    @Override
+    public void updated(@SuppressWarnings("rawtypes") Dictionary props)
+            throws ConfigurationException {
+        LOG.info("Updating token store configuration...");
+        if (props == null) {
+            // Someone deleted the configuration, use defaults
+            props = defaults;
+        }
+        reconfig(props);
+    }
+
+    // Refresh cache configuration...
+    private void reconfig(@SuppressWarnings("rawtypes") Dictionary props)
+            throws ConfigurationException {
+        cacheLock.lock();
+        try {
+            long secsToIdle = Long.parseLong(props.get(SECS_TO_IDLE).toString());
+            long secsToLive = Long.parseLong(props.get(SECS_TO_LIVE).toString());
+            int maxMem = Integer.parseInt(props.get(MAX_CACHED_MEMORY).toString());
+            int maxDisk = Integer.parseInt(props.get(MAX_CACHED_DISK).toString());
+            CacheConfiguration config = tokens.getCacheConfiguration();
+            config.setTimeToIdleSeconds(secsToIdle);
+            config.setTimeToLiveSeconds(secsToLive);
+            config.maxEntriesLocalHeap(maxMem);
+            config.maxEntriesLocalDisk(maxDisk);
+        } catch (Throwable t) {
+            throw new ConfigurationException(null, TOKEN_STORE_CONFIG_ERR, t);
+        } finally {
+            cacheLock.unlock();
+        }
+    }
+}