Examples with SRM org.dcache.srm.SRM used on opensource projects

Example 1 with SRM

use of org.dcache.srm.SRM in project dcache by dCache.

the class SrmService method messageArrived.

public SrmResponse messageArrived(SrmRequest request) throws SRMException {
    try {
        CertPath certPath = getFirst(request.getSubject().getPublicCredentials(CertPath.class), null);
        LoginReply login = new LoginReply(request.getSubject(), request.getLoginAttributes());
        SRMUser user = userManager.persist(certPath, login);
        String requestName = request.getRequestName();
        Class<?> requestClass = request.getRequest().getClass();
        String capitalizedRequestName = Character.toUpperCase(requestName.charAt(0)) + requestName.substring(1);
        LOGGER.debug("About to call {} handler", requestName);
        Constructor<?> handlerConstructor;
        Object handler;
        Method handleGetResponseMethod;
        try {
            Class<?> handlerClass = Class.forName("org.dcache.srm.handler." + capitalizedRequestName);
            handlerConstructor = handlerClass.getConstructor(SRMUser.class, requestClass, AbstractStorageElement.class, SRM.class, String.class);
            handler = handlerConstructor.newInstance(user, request.getRequest(), storage, srm, request.getRemoteHost());
            if (handler instanceof CredentialAwareHandler) {
                CredentialAwareHandler credentialAware = (CredentialAwareHandler) handler;
                RequestCredential requestCredential = saveRequestCredential(request.getSubject(), request.getCredential());
                credentialAware.setCredential(requestCredential);
            }
            handleGetResponseMethod = handlerClass.getMethod("getResponse");
        } catch (ClassNotFoundException e) {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.info("handler discovery and dynamic loading failed", e);
            } else {
                LOGGER.info("handler discovery and dynamic loading failed");
            }
            throw new SRMNotSupportedException(requestName + " is unsupported");
        }
        Object result = handleGetResponseMethod.invoke(handler);
        return new SrmResponse(id, result);
    } catch (CertificateEncodingException | KeyStoreException e) {
        throw new SRMInternalErrorException("Failed to process certificate chain.", e);
    } catch (InvocationTargetException | NoSuchMethodException | InstantiationException | IllegalAccessException | RuntimeException e) {
        LOGGER.error("Please report this failure to support@dcache.org", e);
        throw new SRMInternalErrorException("Internal error (server log contains additional information)");
    }
}