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/*
 * #%L
 * %%
 * Copyright (C) 2011 - 2017 BMW Car IT GmbH
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

/**
 * @name PlatformSecurityManager
 * @constructor
 * @variation 2
 *
 * @param {String}
 *            messageType the message type as defined by
 *            [JoynrMessage.JOYNRMESSAGE_TYPE_*]{@link JoynrMessage}
 */
function PlatformSecurityManager() {}

/**
 * @name PlatformSecurityManager(2)#getCurrentProcessUserId
 * @function
 *
 * @returns {String} the user ID that executes node
 */
PlatformSecurityManager.prototype.getCurrentProcessUserId = function getCurrentProcessUserId() {
    // Remark: Faking the user name by setting this environment variable
    // is not a security threat, since the process can only access the
    // private key of the real user. This key is used to sign the message.
    // On the receiving side joynr will try to verify the message signature
    // with the public key of the faked user which will fail.
    return process.env.USER;
};

module.exports = PlatformSecurityManager;