Copyright © Cloud Software Group, Inc. All Rights Reserved
Copyright © Cloud Software Group, Inc. All Rights Reserved


Chapter 5 Security Framework : Sample Code
Sample Code
The following sample code shows an example of a security policy class file in Java.
/*
* Copyright (c) 1997, 1998 TIBCO Software, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of
* Cloud Software Group, Inc.
*/
package COM.TIBCO.hawk.security.test;
 
import java.lang.*;
import java.io.*;
 
import COM.TIBCO.hawk.console.security.*;
 
public class Test implements HsConsoleInterface, HsAgentInterface {
 
   public void Test() {
      System.out.println("PLUGIN: Test.constructor()");
   }
 
   public void initialize() throws HsException {
      System.out.println("PLUGIN: Test.initialize()");
   }
 
   public void shutdown() throws HsException {
      System.out.println("PLUGIN: Test.shutdown()");
   }
 
   public String initialize(int context) throws HsException {
      System.out.println("PLUGIN: Test.initialize(" + context + ")");
      
      return null;
   }
 
   public void shutdown(int context) throws HsException {
      System.out.println("PLUGIN: Test.shutdown(" + context + ")");
   }
 
   public HsIdentifier createId(HsOperation operation)
      throws HsException
   {
      if (operation instanceof HsNodeOperation)
         System.out.println("PLUGIN: createId(" +
                ((HsNodeOperation)operation).microagent() + ":" +
                ((HsNodeOperation)operation).method() + ")");
      else if (operation instanceof HsGroupOperation)
         System.out.println("PLUGIN: createId(" +
                ((HsGroupOperation)operation).microagent() + ":" +
                ((HsGroupOperation)operation).method() + ")");
      else
         System.out.println("PLUGIN: Unknown request");
 
HsIdentifier id = null;
try {
         String name = new String("Test Plug-In");
id = new HsIdentifier(name.getBytes());
} catch (HsFrameworkException hsfe) {
throw new HsException(hsfe.toString());
}
 
return(id);
   }
 
   public HsPackedOperation pack(HsIdentifier id, HsOperation operation)
      throws HsException
   {
      if (operation instanceof HsNodeOperation)
         System.out.println(
                          "PLUGIN: pack("+ new String(id.contents)+ "," +
                ((HsNodeOperation)operation).microagent() + ":" +
                         ((HsNodeOperation)operation).method() + ")");
      else if (operation instanceof HsGroupOperation)
         System.out.println("PLUGIN: pack(" + new String(id.contents)+ "," +
                ((HsGroupOperation)operation).microagent() + ":" +
                ((HsGroupOperation)operation).method() + ")");
      else
         System.out.println("PLUGIN: Unknown request");
 
      TestOperation trustme =
         new TestOperation(id.contents, operation.contents);
 
      byte[] packed = null;
      try {
         ByteArrayOutputStream buffer = new ByteArrayOutputStream();
         ObjectOutputStream out = new ObjectOutputStream(buffer);
         
         out.writeObject(trustme);
         out.flush();
         out.close();
      
         packed = buffer.toByteArray();
 
      } catch (IOException ioe) {
      }
 
HsPackedOperation packedOperation = null;
try {
packedOperation = new HsPackedOperation(packed);
} catch (HsFrameworkException hsfe) {
throw new HsException(hsfe.toString());
}
 
return (packedOperation);
   }
 
   public HsUnpackedOperation unpack(HsPackedOperation operation)
      throws HsException
   {
      System.out.println("PLUGIN: unpack(operation)");
 
      TestOperation trustme = null;
      try {
         ByteArrayInputStream buffer =
            new ByteArrayInputStream(operation.contents);
         ObjectInputStream in = new ObjectInputStream(buffer);
 
         trustme = (TestOperation)in.readObject();
         in.close();
      } catch (ClassNotFoundException cnfe) {
         throw new HsException(cnfe.toString());
      } catch (IOException ioe) {
         throw new HsException(ioe.toString());
      }
 
HsUnpackedOperation unpacked = null;
try {
unpacked = new HsUnpackedOperation
(new HsIdentifier(trustme.id),new HsOperation(trustme.operation));
} catch (HsFrameworkException hsfe) {
throw new HsException(hsfe.toString());
}
 
return unpacked;
   }
 
   public boolean validateId(HsIdentifier id, HsOperation operation)
   {
      if (operation instanceof HsNodeOperation)
       System.out.println("PLUGIN: validateId("+new String(id.contents)+","+
                ((HsNodeOperation)operation).microagent() + ":" +
                ((HsNodeOperation)operation).method() + ")");
      else if (operation instanceof HsGroupOperation)
       System.out.println("PLUGIN: validateId("+new String(id.contents)+","+
                ((HsGroupOperation)operation).microagent() + ":" +
                ((HsGroupOperation)operation).method() + ")");
      else
         System.out.println("PLUGIN: Unknown request");
 
      String name = new String(id.contents);
 
      if (name.equals("Test Plug-In"))
         return(true);
      else
         return(false);
   }
 
   public String describe() {
      System.out.println("PLUGIN: Test.describe()");
 
      return(new String("TIBCO Hawk Test security model."));
   }
}
Copyright © Cloud Software Group, Inc. All Rights Reserved
Copyright © Cloud Software Group, Inc. All Rights Reserved