implement login attempt handler to handle failed authentications

scm-core/src/main/java/sonia/scm/security/LoginAttemptHandler.java

@@ -0,0 +1,87 @@
+/**
+ * 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.security;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import org.apache.shiro.authc.AuthenticationException;
+import org.apache.shiro.authc.AuthenticationToken;
+
+import sonia.scm.web.security.AuthenticationResult;
+
+/**
+ * Login attempt handler.
+ *
+ * @author Sebastian Sdorra
+ * @since 1.34
+ */
+public interface LoginAttemptHandler
+{
+
+  /**
+   * This method is called before the authentication procedure is invoked.
+   *
+   *
+   * @param token authentication token
+   *
+   * @throws AuthenticationException
+   */
+  public void beforeAuthentication(AuthenticationToken token)
+    throws AuthenticationException;
+
+  /**
+   * Handle successful authentication.
+   *
+   *
+   * @param token authentication token
+   * @param result successful authentication result
+   *
+   * @throws AuthenticationException
+   */
+  public void onSuccessfulAuthentication(AuthenticationToken token,
+    AuthenticationResult result)
+    throws AuthenticationException;
+
+  /**
+   * Handle unsuccessful authentication.
+   *
+   *
+   * @param token authentication token
+   * @param result unsuccessful authentication result
+   *
+   * @throws AuthenticationException
+   */
+  public void onUnsuccessfulAuthentication(AuthenticationToken token,
+    AuthenticationResult result)
+    throws AuthenticationException;
+}