Пример #1
0
 /**
  * Checks if a subject is allowed to call method X on resource Y.
  *
  * @param subjectid subject id
  * @param resourceName resource name (type)
  * @param httpMethod HTTP method name
  * @return true if allowed
  */
 public boolean isAllowedTo(String subjectid, String resourceName, String httpMethod) {
   boolean allow = false;
   if (subjectid != null
       && !StringUtils.isBlank(resourceName)
       && !StringUtils.isBlank(httpMethod)) {
     if (getResourcePermissions().isEmpty()) {
       // Default policy is "deny all". Returning true here would make it "allow all".
       return false;
     }
     if (getResourcePermissions().containsKey(subjectid)
         && getResourcePermissions().get(subjectid).containsKey(resourceName)) {
       // subject-specific permissions have precedence over wildcard permissions
       // i.e. only the permissions for that subjectid are checked, other permissions are ignored
       allow = isAllowed(subjectid, resourceName, httpMethod);
     } else {
       allow =
           isAllowed(subjectid, resourceName, httpMethod)
               || isAllowed(subjectid, ALLOW_ALL, httpMethod)
               || isAllowed(ALLOW_ALL, resourceName, httpMethod)
               || isAllowed(ALLOW_ALL, ALLOW_ALL, httpMethod);
     }
   }
   boolean isRootApp = StringUtils.equals(App.id(Config.APP_NAME_NS), getId());
   boolean isRootAppAccessAllowed =
       Config.getConfigBoolean("clients_can_access_root_app", !Config.IN_PRODUCTION);
   return isRootApp ? (isRootAppAccessAllowed && allow) : allow;
 }
Пример #2
0
 /** @return true if asynchronous caching is enabled. */
 private boolean isAsyncEnabled() {
   return Config.getConfigBoolean("hc.async_enabled", false);
 }
Пример #3
0
/**
 * A converter that uses http://openexchangerates.org.
 *
 * @author Alex Bogdanovski [[email protected]]
 */
@Singleton
public class OXRCurrencyConverter implements CurrencyConverter {

  private static final Logger logger = LoggerFactory.getLogger(OXRCurrencyConverter.class);
  private static final String FXRATES_KEY = "fxrates";
  private static final long REFRESH_AFTER = 24 * 60 * 60 * 1000; // 24 hours in ms
  private static final String SERVICE_URL =
      "http://openexchangerates.org/api/latest.json?app_id="
          .concat(Config.getConfigParam("openx_api_key", ""));

  private DAO dao;

  /**
   * Default constructor.
   *
   * @param dao dao
   */
  @Inject
  public OXRCurrencyConverter(DAO dao) {
    this.dao = dao;
  }

  @Override
  public Double convertCurrency(Number amount, String from, String to) {
    if (amount == null || StringUtils.isBlank(from) || StringUtils.isBlank(to)) {
      return 0.0;
    }
    Sysprop s = dao.read(FXRATES_KEY);
    if (s == null) {
      s = fetchFxRatesJSON();
    } else if ((Utils.timestamp() - s.getTimestamp()) > REFRESH_AFTER) {
      // lazy refresh fx rates
      Para.asyncExecute(
          new Runnable() {
            public void run() {
              fetchFxRatesJSON();
            }
          });
    }

    double ratio = 1.0;

    if (s.hasProperty(from) && s.hasProperty(to)) {
      Double f = NumberUtils.toDouble(s.getProperty(from).toString(), 1.0);
      Double t = NumberUtils.toDouble(s.getProperty(to).toString(), 1.0);
      ratio = t / f;
    }
    return amount.doubleValue() * ratio;
  }

  @SuppressWarnings("unchecked")
  private Sysprop fetchFxRatesJSON() {
    Map<String, Object> map = new HashMap<String, Object>();
    Sysprop s = new Sysprop();
    ObjectReader reader = ParaObjectUtils.getJsonReader(Map.class);

    try {
      CloseableHttpClient http = HttpClients.createDefault();
      HttpGet httpGet = new HttpGet(SERVICE_URL);
      HttpResponse res = http.execute(httpGet);
      HttpEntity entity = res.getEntity();

      if (entity != null && Utils.isJsonType(entity.getContentType().getValue())) {
        JsonNode jsonNode = reader.readTree(entity.getContent());
        if (jsonNode != null) {
          JsonNode rates = jsonNode.get("rates");
          if (rates != null) {
            map = reader.treeToValue(rates, Map.class);
            s.setId(FXRATES_KEY);
            s.setProperties(map);
            //						s.addProperty("fetched", Utils.formatDate("dd MM yyyy HH:mm", Locale.UK));
            dao.create(s);
          }
        }
        EntityUtils.consume(entity);
      }
      logger.debug("Fetched rates from OpenExchange for {}.", new Date().toString());
    } catch (Exception e) {
      logger.error("TimerTask failed: {}", e);
    }
    return s;
  }
}