Example usage for org.aspectj.lang ProceedingJoinPoint getArgs

List of usage examples for org.aspectj.lang ProceedingJoinPoint getArgs

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Introduction

In this page you can find the example usage for org.aspectj.lang ProceedingJoinPoint getArgs.

Prototype

Object[] getArgs();

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Usage

From source file:com.ideabase.repository.core.aspect.IndexEventAdvice.java

License:Open Source License

@Around("com.ideabase.repository.core.aspect.ArchitecturePointcuts.indexOperation()")
public Object aroundOperation(final ProceedingJoinPoint pProceedingJoinPoint) throws Throwable {
    // Determine source class and mehtod.
    final Signature signature = pProceedingJoinPoint.getSignature();
    final Class signatureClass = signature.getDeclaringType();
    final String signatureMethod = signature.getName();
    final Object[] arguments = pProceedingJoinPoint.getArgs();

    // Execute the operation
    final Object returned = pProceedingJoinPoint.proceed();

    // publish event
    addEvent(signatureClass, signatureMethod, arguments);

    // Return the executed output.
    return returned;
}

From source file:com.ideabase.repository.webservice.advice.WebAuthenticationAndAuthorizationAdvice.java

License:Open Source License

/**
 * Retrieve {@see RESTfulController} and http request response object.<Br>
 * verify whether user session contains the valid {@see Subject} object.<br>
 * if user is already authenticated, verify user authorization.<br>
 * if user is authorized, invoke {@code processAuthorizedAction} method from
 * {@see RESTfulController}.<br>// w  w  w  .j  av a2s.  c om
 * otherwise invoke {@code processUnauthorizedAction} method.<br>
 *
 * @param pProceedingJoinPoint intermediate join point state.
 */
@Around("com.ideabase.repository.core.aspect.ArchitecturePointcuts." + "webServiceOperation()")
public void verifyAuthentication(final ProceedingJoinPoint pProceedingJoinPoint) {
    LOG.debug("Verify authentication.");

    // find target object instance.
    final RESTfulController controller = (RESTfulController) pProceedingJoinPoint.getTarget();

    // find http servlet request and response
    final Object[] arguments = pProceedingJoinPoint.getArgs();
    final HttpServletRequest request = (HttpServletRequest) arguments[0];
    final HttpServletResponse response = (HttpServletResponse) arguments[1];
    final HttpSession session = request.getSession();

    if (DEBUG) {
        LOG.debug("Request object - " + request);
    }
    // logged on user must contain subject object on session context.
    try {
        if (DEBUG) {
            LOG.debug("Request uri - " + request.getRequestURI());
        }
        // Build restful action object from request context.
        final RESTfulAction action = URIParameterHelper.buildRESTfulAction(request);
        try {
            verifyAuthenticationAndAuthorization(action, session, request, response, controller);
        } catch (Throwable e) {
            if (DEBUG) {
                LOG.debug("Failed to process an action.", e);
            }
            if (e instanceof AuthorizationException) {
                controller.processErrorAction(action, RESTfulController.ErrorCode.UNAUTHORIZED_ACTION, request,
                        response);
            } else if (e instanceof ActionExecutionException) {
                controller.processErrorAction(action, RESTfulController.ErrorCode.FAILURE_EXECUTION, request,
                        response);
            } else if ((e instanceof AuthenticationException) || (e instanceof LoginException)) {
                controller.processErrorAction(action, RESTfulController.ErrorCode.LOGIN_FAILED, request,
                        response);
            } else {
                controller.processErrorAction(action, RESTfulController.ErrorCode.INVALID_ACTION, request,
                        response);
            }
        }
    } catch (Throwable t) {
        if (DEBUG) {
            LOG.debug("Exception stacktrace - ", t);
        }
        controller.processErrorAction(null, RESTfulController.ErrorCode.INVALID_ACTION, request, response);
    }
}

From source file:com.invariantproperties.project.student.webservice.security.RestParameterChecker.java

License:Apache License

/**
 * Check that the UUID is well-formed in CRUD REST service calls.
 * //from   w w  w.j  ava  2 s.  co m
 * @param pjp
 * @param uuid
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.project.student.webservice.server.rest.AbstractResource) && args(uuid,..) && (execution(* *.create*(..)) || execution(* *.delete*(..)) || execution(* *.update*(..)) || execution(* *.get*(..)))")
public Object checkUuid(ProceedingJoinPoint pjp, String uuid) throws Throwable {
    final Object[] args = pjp.getArgs();
    Object results = null;

    if (LOG.isDebugEnabled()) {
        LOG.debug(String.format("checking for bad UUID: %s(%s)...", pjp.getSignature().getName(), uuid));
    }

    if (!StudentUtil.isPossibleUuid(uuid)) {
        results = Response.status(Status.BAD_REQUEST).build();
        LOG.info(pjp.getSignature().getName() + ": attempt to use malformed UUID");
    } else {
        results = pjp.proceed(args);
    }

    return results;
}

From source file:com.invariantproperties.project.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on create method.//from  w  ww.ja  va  2 s . c om
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.project.student.webservice.server.rest.AbstractResource) && args(rto,..)")
public Object checkParametersCreate(ProceedingJoinPoint pjp, Validatable rto) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());
    final String name = pjp.getSignature().getName();
    Object results = null;

    if (rto.validate()) {
        // this should be safe since parameters have been validated.
        if (log.isDebugEnabled()) {
            log.debug(String.format("%s(%s): entry", name, Arrays.toString(pjp.getArgs())));
        }
        results = pjp.proceed(pjp.getArgs());
    } else {
        // FIXME: this is unsafe
        if (log.isInfoEnabled()) {
            log.info(String.format("%s(%s): bad arguments", name, Arrays.toString(pjp.getArgs())));
        }
        // TODO: tell caller what the problems were
        results = Response.status(Status.BAD_REQUEST).build();
    }

    return results;
}

From source file:com.invariantproperties.project.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on update method./*from  w  w  w . jav a  2s .  c om*/
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.project.student.webservice.server.rest.AbstractResource) && args(uuid,rto,..)")
public Object checkParametersUpdate(ProceedingJoinPoint pjp, String uuid, Validatable rto) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());
    final String name = pjp.getSignature().getName();
    Object results = null;

    if (!StudentUtil.isPossibleUuid(uuid)) {
        // this is a possible attack.
        if (log.isInfoEnabled()) {
            log.info(String.format("%s(): uuid", name));
        }
        results = Response.status(Status.BAD_REQUEST).build();
    } else if (rto.validate()) {
        // this should be safe since parameters have been validated.
        if (log.isDebugEnabled()) {
            log.debug(String.format("%s(%s): entry", name, Arrays.toString(pjp.getArgs())));
        }
        results = pjp.proceed(pjp.getArgs());
    } else {
        // FIXME: this is unsafe
        if (log.isInfoEnabled()) {
            log.info(String.format("%s(%s): bad arguments", name, Arrays.toString(pjp.getArgs())));
        }
        // TODO: tell caller what the problems were
        results = Response.status(Status.BAD_REQUEST).build();
    }

    return results;
}

From source file:com.invariantproperties.project.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on delete method. This is actually a no-op but it
 * allows us to log method entry.//from   w  w  w .  j  ava2 s.  c  o m
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.project.student.webservice.server.rest.AbstractResource) && args(uuid,version) && execution(* *.delete*(..))")
public Object checkParametersDelete(ProceedingJoinPoint pjp, String uuid, Integer version) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());
    final String name = pjp.getSignature().getName();
    Object results = null;

    if (!StudentUtil.isPossibleUuid(uuid)) {
        // this is a possible attack.
        if (log.isInfoEnabled()) {
            log.info(String.format("%s(): uuid", name));
        }
        results = Response.status(Status.BAD_REQUEST).build();
    } else {
        // this should be safe since parameters have been validated.
        if (log.isDebugEnabled()) {
            log.debug(String.format("%s(%s): entry", name, Arrays.toString(pjp.getArgs())));
        }
        results = pjp.proceed(pjp.getArgs());
    }

    return results;
}

From source file:com.invariantproperties.project.student.webservice.server.rest.CheckPostValues.java

License:Apache License

/**
 * Check post values on find methods. This is actually a no-op but it allows
 * us to log method entry.//from   w w w  .jav a2 s .  c  o  m
 * 
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.project.student.webservice.server.rest.AbstractResource) && execution(* *.find*(..))")
public Object checkParametersFind(ProceedingJoinPoint pjp) throws Throwable {
    final Logger log = Logger.getLogger(pjp.getSignature().getDeclaringType());

    if (log.isDebugEnabled()) {
        log.debug(String.format("%s(%s): entry", pjp.getSignature().getName(), Arrays.toString(pjp.getArgs())));
    }
    final Object results = pjp.proceed(pjp.getArgs());

    return results;
}

From source file:com.invariantproperties.project.student.webservice.server.rest.UnexpectedResourceExceptionHandler.java

License:Apache License

/**
 * Check for an unhandled exception from a REST resource. If we catch one
 * AND the method returns a Response we can return a Server Internal Error
 * (500) error code instead of blowing up. We need to check though since
 * some methods don't return a Response.
 * //from   w w w. j av a  2 s  .  co m
 * @param pjp
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.project.student.webservice.server.rest.AbstractResource)")
public Object checkForUnhandledException(ProceedingJoinPoint pjp) throws Throwable {
    Object results = null;
    Logger log = Logger.getLogger(pjp.getSignature().getClass());

    try {
        results = pjp.proceed(pjp.getArgs());
    } catch (ObjectNotFoundException e) {
        // this is safe to log since we know that we've passed filtering.
        String args = Arrays.toString(pjp.getArgs());
        results = Response.status(Status.NOT_FOUND).entity("object not found: " + args).build();
        if (log.isDebugEnabled()) {
            log.debug("object not found: " + args);
        }
    } catch (Exception e) {
        // find the method we called. We can't cache this since the method
        // may be overloaded
        Method method = findMethod(pjp);
        if ((method != null) && Response.class.isAssignableFrom(method.getReturnType())) {
            // if the method returns a response we can return a 500 message.
            if (!(e instanceof UnitTestException)) {
                if (log.isInfoEnabled()) {
                    log.info(String.format("%s(): unhandled exception: %s", pjp.getSignature().getName(),
                            e.getMessage()), e);
                }
            } else if (log.isTraceEnabled()) {
                log.info("unit test exception: " + e.getMessage());
            }
            results = Response.status(Status.INTERNAL_SERVER_ERROR).build();
        } else {
            // DO NOT LOG THE EXCEPTION. That just clutters the log - let
            // the final handler log it.
            throw e;
        }
    }

    return results;
}

From source file:com.invariantproperties.project.student.webservice.server.rest.UnexpectedResourceExceptionHandler.java

License:Apache License

/**
 * Find method called via reflection./*from   ww w .jav a 2s .  c o m*/
 * 
 * @param pjp
 * @return
 */
Method findMethod(ProceedingJoinPoint pjp) {
    Class<?>[] argtypes = new Class[pjp.getArgs().length];
    for (int i = 0; i < argtypes.length; i++) {
        argtypes[i] = pjp.getArgs()[i].getClass();
    }

    Method method = null;

    try {
        // @SuppressWarnings("unchecked")
        method = pjp.getSignature().getDeclaringType().getMethod(pjp.getSignature().getName(), argtypes);
    } catch (Exception e) {
        Logger.getLogger(UnexpectedResourceExceptionHandler.class)
                .info(String.format("could not find method for %s.%s",
                        pjp.getSignature().getDeclaringType().getName(), pjp.getSignature().getName()));
    }

    return method;
}

From source file:com.invariantproperties.sandbox.student.webservice.security.RestParameterChecker.java

License:Apache License

/**
 * Check that the UUID is well-formed in CRUD REST service calls.
 * //from  w w w  .j  a va2 s . co  m
 * @param pjp
 * @param uuid
 * @return
 * @throws Throwable
 */
@Around("target(com.invariantproperties.sandbox.student.webservice.server.rest.AbstractResource) && args(uuid,..) && (execution(* *.create*(..)) || execution(* *.delete*(..)) || execution(* *.update*(..)) || execution(* *.get*(..)))")
public Object checkUuid(ProceedingJoinPoint pjp, String uuid) throws Throwable {
    final Object[] args = pjp.getArgs();
    Object results = null;

    if (LOG.isDebugEnabled()) {
        LOG.debug(String.format("checking for bad UUID: %s(%s)...", pjp.getSignature().getName(), uuid));
    }

    if (!StudentUtil.isPossibleUuid(uuid)) {
        results = Response.status(Status.BAD_REQUEST).build();
        LOG.info(pjp.getSignature().getName() + ": attempt to use malformed UUID");
    } else {
        results = pjp.proceed(args);
    }

    return results;
}