Function _modifyFieldsInQuery

services/cloudObjects.js:1106–1154

(appId, collectionName, query)

// this function modifies the fields ['password','datetime']  passed in the Query.
function _modifyFieldsInQuery(appId, collectionName, query) {
  var deferred = q.defer();
  try {
      if (collectionName === '_File') {
          deferred.resolve(query);
      } else {
          _getSchema(appId, collectionName).then(function(columns) {
              var passwordColumnNames = [];
              var dateTimeColumnNames = [];

              // push in fields to be modified / i.e DateTime and Encypted fields
              for (var i = 0; i < columns.length; i++) {
                  if (columns[i].dataType === 'EncryptedText') {
                      passwordColumnNames.push(columns[i].name);
                  }
                  if (columns[i].dataType === 'DateTime') {
                      dateTimeColumnNames.push(columns[i].name);
                  }
              }

              //resolve if there are no password fields or DateTime fields
              if (passwordColumnNames.length === 0 && dateTimeColumnNames === 0) {
                  deferred.resolve(query);
              } else {
                  appService.getApp(appId).then(function (application) {
                      //or modify the query and resolve it.
                      if (passwordColumnNames.length)
                          query = _recursiveModifyQuery(query, passwordColumnNames, 'encrypt',application.keys.encryption_key);
                      if (dateTimeColumnNames.length)
                          query = _recursiveModifyQuery(query, dateTimeColumnNames, 'datetime',application.keys.encryption_key);
                      deferred.resolve(query);
                  }), function(){
                      deferred.reject("Cannot find an app wiht AppID "+appId);
                  };
              }
          }, function(error) {
              deferred.reject(error);
          });
      }
  } catch (err) {
      winston.log('error', {
          "error": String(err),
          "stack": new Error().stack
      });
      deferred.reject(err);
  }

  return deferred.promise;
}

function _encrypt(data, encryption_key) {
  try {