    $scope.initialize = function(customHandler) {
      var value = $cookies.get('requisitions_page_size');
      if (value) {
        $scope.pageSize = value;
      }
      growl.success('Retrieving requisition ' + _.escape($scope.foreignSource) + '...');
      RequisitionsService.getRequisition($scope.foreignSource).then(
        function(requisition) { // success
          $scope.requisition = requisition;
          $scope.filteredNodes = requisition.nodes;
          $scope.updateFilteredNodes();
          if (customHandler) {
            customHandler();
          }
        },
        $scope.errorHandler
      );
    };
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.