move implementations from scm-core to scm-webapp

scm-webapp/src/main/java/sonia/scm/web/security/ChainAuthenticatonManager.java

@@ -0,0 +1,175 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of SCM-Manager; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.web.security;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import sonia.scm.SCMContextProvider;
+import sonia.scm.user.User;
+import sonia.scm.util.AssertUtil;
+import sonia.scm.util.IOUtil;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.IOException;
+
+import java.util.Set;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+@Singleton
+public class ChainAuthenticatonManager implements AuthenticationManager
+{
+
+  /** the logger for ChainAuthenticatonManager */
+  private static final Logger logger =
+    LoggerFactory.getLogger(ChainAuthenticatonManager.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param authenticationHandlerSet
+   */
+  @Inject
+  public ChainAuthenticatonManager(
+          Set<AuthenticationHandler> authenticationHandlerSet)
+  {
+    AssertUtil.assertIsNotEmpty(authenticationHandlerSet);
+    this.authenticationHandlerSet = authenticationHandlerSet;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param request
+   * @param response
+   * @param username
+   * @param password
+   *
+   * @return
+   */
+  @Override
+  public User authenticate(HttpServletRequest request,
+                           HttpServletResponse response, String username,
+                           String password)
+  {
+    User user = null;
+
+    for (AuthenticationHandler authenticator : authenticationHandlerSet)
+    {
+      try
+      {
+        AuthenticationResult result = authenticator.authenticate(request,
+                                        response, username, password);
+
+        if (logger.isDebugEnabled())
+        {
+          logger.debug("authenticator {} ends with result, {}",
+                       authenticator.getClass().getName(), result);
+        }
+
+        if ((result != null) && (result.getState() != null)
+            && (result.getState().isSuccessfully()
+                || (result.getState() == AuthenticationState.FAILED)))
+        {
+          if (result.getState().isSuccessfully() && (result.getUser() != null))
+          {
+            user = result.getUser();
+            user.setType(authenticator.getType());
+          }
+
+          break;
+        }
+      }
+      catch (Exception ex)
+      {
+        logger.error(ex.getMessage(), ex);
+      }
+    }
+
+    return user;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  @Override
+  public void close() throws IOException
+  {
+    for (AuthenticationHandler authenticator : authenticationHandlerSet)
+    {
+      IOUtil.close(authenticator);
+    }
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param context
+   */
+  @Override
+  public void init(SCMContextProvider context)
+  {
+    for (AuthenticationHandler authenticator : authenticationHandlerSet)
+    {
+      authenticator.init(context);
+    }
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private Set<AuthenticationHandler> authenticationHandlerSet;
+}