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package org.glassfish.cditest.security.interceptor;
import java.lang.reflect.Method;
import java.security.Principal;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Resource;
import javax.ejb.EJBContext;
import javax.interceptor.AroundInvoke;
import javax.interceptor.Interceptor;
import javax.interceptor.InvocationContext;
import java.io.Serializable;
import org.glassfish.cditest.security.api.Secure;
/**
* Realizes security for EJBs.
*
* @author ifischer
*
*/
@Secure
@Interceptor
public class SecurityInterceptor implements Serializable
{
private static final Logger LOG = Logger.getLogger(SecurityInterceptor.class.getName());
public static boolean aroundInvokeCalled = false;
@Resource
private EJBContext ejbCtx;
/**
* Perform lookup for permissions.
* Does the caller has the permission to call the method?
* TODO: implement lookup
*
* @param InvocationContext of intercepted method
* @return
* @throws Exception
*/
@AroundInvoke
protected Object invoke(final InvocationContext ctx) throws Exception
{
Principal p = ejbCtx.getCallerPrincipal();
Method interfaceMethod = ctx.getMethod();
LOG.log(Level.INFO, "EJB Method called [Full]:\"{0}\" by Principal:{1}", new Object[]{getFullEJBClassName(interfaceMethod), p.toString()});
LOG.log(Level.INFO, "EJB Method called [Methodonly]:{0} by Principal:{1}", new Object[]{interfaceMethod.getName(), p.toString()});
SecurityInterceptor.aroundInvokeCalled = true;
return ctx.proceed();
}
/**
* The EJBContext interface doesn't provide convenient methods to get the name of the EJB class,
* so the classname has to be extracted from the method.
*
* @param the method whose classname is needed
* @return classname (fully qualified) of given method, e.g. "com.profitbricks.user.api.UserService"
*/
private String getFullEJBClassName(Method method) {
// extract className from methodName
// methodName format example:"public void com.profitbricks.user.api.UserService.testMe()"
String methodName = method.toString();
int start = methodName.lastIndexOf(' ') + 1;
int end = methodName.lastIndexOf('.');
String className = methodName.substring(start, end);
return className;
}
public static void reset(){
//reset invocation status
SecurityInterceptor.aroundInvokeCalled = false;
}
}