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liza/src/server/encsvc/EchoEncryptionServiceTransf...

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JavaScript

/**
* Contains EchoEncryptionServiceTransfer class
*
* Copyright (C) 2017 R-T Specialty, LLC.
*
* This file is part of the Liza Data Collection Framework.
*
* liza is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
var Class = require( 'easejs' ).Class;
/**
* Interface
* @type {EncryptionServiceTransfer}
*/
EncryptionServiceTransfer = require( './EncryptionServiceTransfer' );
/**
* Simply echoes back the data to be encrypted. Does not do any actual
* encryption. Useful fallback when service is unavailable or is not intended to
* be available (e.g. local development).
*/
module.exports = Class( 'EchoEncryptionServiceTransfer' )
.implement( EncryptionServiceTransfer )
.extend(
{
/**
* Echo back the provided data
*
* @param {string} data data to encrypt
* @param {function( Buffer )} callback function to call with encrypted data
*
* @return undefined
*/
'public encrypt': function( data, callback )
{
// simply echo the data back as a buffer
callback( new Buffer( data, 'binary' ) );
},
/**
* Echo back the provided data
*
* This operation is asynchronous.
*
* @param {Buffer} data data to decrypt
* @param {function( string )} callback function to call with decrypted data
*
* @return undefined
*/
'public decrypt': function( data, callback )
{
// simply echo the data back as a buffer
callback( new Buffer( data, 'binary' ) );
},
} );