BUG-1541 Extract AuthProvider interface

[controller.git] / opendaylight / netconf / netconf-ssh / src / main / java / org / opendaylight / controller / netconf / ssh / authentication / AuthProvider.java

diff --git a/opendaylight/netconf/netconf-ssh/src/main/java/org/opendaylight/controller/netconf/ssh/authentication/AuthProvider.java b/opendaylight/netconf/netconf-ssh/src/main/java/org/opendaylight/controller/netconf/ssh/authentication/AuthProvider.java
index 5d39dd1eb8adad115e030c0136cbae702d2bde65..92f3861c05351cacf9b93dd38d6771a58141fb9a 100644 (file)
--- a/opendaylight/netconf/netconf-ssh/src/main/java/org/opendaylight/controller/netconf/ssh/authentication/AuthProvider.java
+++ b/opendaylight/netconf/netconf-ssh/src/main/java/org/opendaylight/controller/netconf/ssh/authentication/AuthProvider.java
@@ -1,81 +1,16 @@
 /*
- * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ * Copyright (c) 2014 Cisco 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.controller.netconf.ssh.authentication;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import com.google.common.annotations.VisibleForTesting;
-import org.opendaylight.controller.sal.authorization.AuthResultEnum;
-import org.opendaylight.controller.usermanager.IUserManager;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.ServiceReference;
-import org.osgi.util.tracker.ServiceTracker;
-import org.osgi.util.tracker.ServiceTrackerCustomizer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class AuthProvider {
-    private static final Logger logger = LoggerFactory.getLogger(AuthProvider.class);
-
-    private final String pem;
-    private IUserManager nullableUserManager;
 
-    public AuthProvider(String pemCertificate, final BundleContext bundleContext) {
-        checkNotNull(pemCertificate, "Parameter 'pemCertificate' is null");
-        pem = pemCertificate;
-
-        ServiceTrackerCustomizer<IUserManager, IUserManager> customizer = new ServiceTrackerCustomizer<IUserManager, IUserManager>() {
-            @Override
-            public IUserManager addingService(final ServiceReference<IUserManager> reference) {
-                logger.trace("Service {} added", reference);
-                nullableUserManager = bundleContext.getService(reference);
-                return nullableUserManager;
-            }
-
-            @Override
-            public void modifiedService(final ServiceReference<IUserManager> reference, final IUserManager service) {
-                logger.trace("Replacing modified service {} in netconf SSH.", reference);
-                nullableUserManager = service;
-            }
-
-            @Override
-            public void removedService(final ServiceReference<IUserManager> reference, final IUserManager service) {
-                logger.trace("Removing service {} from netconf SSH. " +
-                        "SSH won't authenticate users until IUserManager service will be started.", reference);
-                synchronized (AuthProvider.this) {
-                    nullableUserManager = null;
-                }
-            }
-        };
-        ServiceTracker<IUserManager, IUserManager> listenerTracker = new ServiceTracker<>(bundleContext, IUserManager.class, customizer);
-        listenerTracker.open();
-    }
+package org.opendaylight.controller.netconf.ssh.authentication;
 
-    /**
-     * Authenticate user. This implementation tracks IUserManager and delegates the decision to it. If the service is not
-     * available, IllegalStateException is thrown.
-     */
-    public synchronized boolean authenticated(String username, String password) {
-        if (nullableUserManager == null) {
-            logger.warn("Cannot authenticate user '{}', user manager service is missing", username);
-            throw new IllegalStateException("User manager service is not available");
-        }
-        AuthResultEnum authResult = nullableUserManager.authenticate(username, password);
-        logger.debug("Authentication result for user '{}' : {}", username, authResult);
-        return authResult.equals(AuthResultEnum.AUTH_ACCEPT) || authResult.equals(AuthResultEnum.AUTH_ACCEPT_LOC);
-    }
+public interface AuthProvider {
 
-    public char[] getPEMAsCharArray() {
-        return pem.toCharArray();
-    }
+    boolean authenticated(String username, String password);
 
-    @VisibleForTesting
-    void setNullableUserManager(IUserManager nullableUserManager) {
-        this.nullableUserManager = nullableUserManager;
-    }
+    char[] getPEMAsCharArray();
 }