コード例 #1
0
ファイル: FilterPlugin.java プロジェクト: walter-barnie/ddf
 @Override
 public ResourceResponse processPostResource(ResourceResponse input, Metacard metacard)
     throws StopProcessingException {
   if (input.getRequest() == null || input.getRequest().getProperties() == null) {
     throw new StopProcessingException(
         "Unable to filter contents of current message, no user Subject available.");
   }
   KeyValueCollectionPermission securityPermission =
       new KeyValueCollectionPermission(CollectionPermission.READ_ACTION);
   Subject subject = getSubject(input);
   Attribute attr = metacard.getAttribute(Metacard.SECURITY);
   if (!checkPermissions(attr, securityPermission, subject, CollectionPermission.READ_ACTION)) {
     for (FilterStrategy filterStrategy : filterStrategies.values()) {
       FilterResult filterResult = filterStrategy.process(input, metacard);
       if (filterResult.processed()) {
         if (filterResult.response() == null) {
           throw new StopProcessingException("Subject not permitted to receive resource");
         } else {
           input = (ResourceResponse) filterResult.response();
         }
         break;
         // returned metacards are ignored for resource requests
       }
     }
     if (filterStrategies.size() == 0) {
       throw new StopProcessingException("Subject not permitted to receive resource");
     }
   }
   return input;
 }
コード例 #2
0
ファイル: FilterPlugin.java プロジェクト: walter-barnie/ddf
  @Override
  public QueryResponse processPostQuery(QueryResponse input) throws StopProcessingException {
    if (input.getRequest() == null || input.getRequest().getProperties() == null) {
      throw new StopProcessingException(
          "Unable to filter contents of current message, no user Subject available.");
    }
    Subject subject = getSubject(input);

    List<Result> results = input.getResults();
    List<Result> newResults = new ArrayList<>(results.size());
    Metacard metacard;
    KeyValueCollectionPermission securityPermission =
        new KeyValueCollectionPermission(CollectionPermission.READ_ACTION);
    int filteredMetacards = 0;
    for (Result result : results) {
      metacard = result.getMetacard();
      Attribute attr = metacard.getAttribute(Metacard.SECURITY);
      if (!checkPermissions(attr, securityPermission, subject, CollectionPermission.READ_ACTION)) {
        for (FilterStrategy filterStrategy : filterStrategies.values()) {
          FilterResult filterResult = filterStrategy.process(input, metacard);
          if (filterResult.processed()) {
            if (filterResult.metacard() != null) {
              newResults.add(new ResultImpl(filterResult.metacard()));
            }
            break;
            // returned responses are ignored for queries
          }
        }
        filteredMetacards++;
      } else {
        newResults.add(result);
      }
    }

    LOGGER.info("Filtered {} metacards, returned {}", filteredMetacards, newResults.size());
    SecurityLogger.logInfo(
        "Filtered " + filteredMetacards + " metacards, returned " + newResults.size());

    input.getResults().clear();
    input.getResults().addAll(newResults);
    newResults.clear();
    return input;
  }