[jboss-cvs] jboss-seam/src/main/org/jboss/seam/security/realm ...

[Shane Bryzak]

  User: sbryzak2
  Date: 06/07/24 03:13:40

  Added:       src/main/org/jboss/seam/security/realm    CatalinaRealm.java
                        Realm.java SeamRealm.java
  Log:
  Work in progress, do not use!
  
  Revision  Changes    Path
  1.1      date: 2006/07/24 07:13:39;  author: sbryzak2;  state: Exp;jboss-seam/src/main/org/jboss/seam/security/realm/CatalinaRealm.java
  
  Index: CatalinaRealm.java
  ===================================================================
  package org.jboss.seam.security.realm;
  
  import java.lang.reflect.Method;
  import java.security.Principal;
  
  /**
   * Wrapper for Tomcat realm authentication
   *
   * @author Shane Bryzak
   */
  public class CatalinaRealm implements Realm
  {
    private Object realm;
    private Method authenticateMethod1;  // authenticate(String, String)
    private Method authenticateMethod2;  // authenticate(String, byte[])
  
    /**
     * Constructor - does some reflection gymnastics to find the Tomcat realm.
     * This is so we don't have a dependency on the catalina libs.
     */
    public CatalinaRealm(String localContext)
    {
      try
      {
        // First get the Server object
        Class serverFactoryClass = Class.forName("org.apache.catalina.ServerFactory");
        Method getServerMethod = serverFactoryClass.getMethod("getServer");
        Object server = getServerMethod.invoke(null);
  
        // Now try to find the service
        Method findServiceMethod = server.getClass().getMethod("findService", String.class);
        Object service = findServiceMethod.invoke(server, "Catalina");
  
        // Are we running under jboss-web ?
        if (service == null)
          service = findServiceMethod.invoke(server, "jboss.web");
  
        // Ok, as a last resort take the first service we find...
        if (service == null)
        {
          Method findServicesMethod = server.getClass().getMethod("findServices");
          Object[] services = (Object[]) findServicesMethod.invoke(server);
          if (services.length > 0)
            service = services[0];
          else
            throw new RuntimeException("Cannot find Tomcat service");
        }
  
        // Now get the Engine...
        Method getContainerMethod = service.getClass().getMethod("getContainer");
        Object engine = getContainerMethod.invoke(service);
  
        // Then the Host...
        Method getDefaultHostMethod = engine.getClass().getMethod("getDefaultHost");
        Method engineFindChildMethod = engine.getClass().getMethod("findChild", String.class);
        Object defaultHost = getDefaultHostMethod.invoke(engine);
        Object host = engineFindChildMethod.invoke(engine, defaultHost);
  
        // Then the Context...
        Method hostFindChildMethod = host.getClass().getMethod("findChild", String.class);
        Object context = hostFindChildMethod.invoke(host, localContext);
  
        // We can now get the realm... phew
        Method getRealmMethod = context.getClass().getMethod("getRealm");
        realm = getRealmMethod.invoke(context);
  
        authenticateMethod1 = realm.getClass().getMethod("authenticate", String.class, String.class);
        authenticateMethod2 = realm.getClass().getMethod("authenticate", String.class, byte[].class);
      }
      catch (ClassNotFoundException ex)
      {
        /** @todo log error and throw exception */
        ex.printStackTrace();
      }
      catch (Exception ex)
      {
        /** @todo log error and throw exception */
        ex.printStackTrace();
      }
    }
  
    /**
     * Authenticate the user using their username and credentials
     *
     * @param username String
     * @param credentials String
     * @return Principal
     */
    public Principal authenticate(String username, String credentials)
    {
      try
      {
        return (Principal) authenticateMethod1.invoke(realm, username, credentials);
      }
      catch (Exception ex)
      {
        /** @todo Log the error and work out what to do here  (throw an exception??) */
        return null;
      }
    }
  
    /**
     * Authenticate the user using their username and credentials
     *
     * @param username String
     * @param credentials byte[]
     * @return Principal
     */
    public Principal authenticate(String username, byte[] credentials)
    {
      try
      {
        return (Principal) authenticateMethod2.invoke(realm, username, credentials);
      }
      catch (Exception ex)
      {
        /** @todo Log the error and work out what to do here  (throw an exception??) */
        return null;
      }
    }
  }
  
  
  
  1.1      date: 2006/07/24 07:13:39;  author: sbryzak2;  state: Exp;jboss-seam/src/main/org/jboss/seam/security/realm/Realm.java
  
  Index: Realm.java
  ===================================================================
  package org.jboss.seam.security.realm;
  
  import java.security.Principal;
  
  /**
   * Realm interface
   *
   * @author Shane Bryzak
   */
  public interface Realm
  {
    Principal authenticate(String username, String credentials);
    Principal authenticate(String username, byte[] credentials);
  }
  
  
  
  1.1      date: 2006/07/24 07:13:39;  author: sbryzak2;  state: Exp;jboss-seam/src/main/org/jboss/seam/security/realm/SeamRealm.java
  
  Index: SeamRealm.java
  ===================================================================
  package org.jboss.seam.security.realm;
  
  import java.security.Principal;
  
  /**
   * Allows authentication against a Seam component
   *
   * @author Shane Bryzak
   */
  public class SeamRealm implements Realm
  {
    public Principal authenticate(String username, String credentials)
    {
      return null;
    }
  
    public Principal authenticate(String username, byte[] credentials)
    {
      return null;
    }
  }