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Code Issues Releases Wiki Activity

New agents, NeDB encryption, WebApp Fixes.

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This commit is contained in:
Ylian Saint-Hilaire 2019-01-24 12:08:48 -08:00
parent 35e8f9b94a
commit 110b58cd58
35 changed files with 90 additions and 7437 deletions
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28
db.js
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@ -31,6 +31,7 @@ module.exports.CreateDB = function (parent) {
obj.path = require('path');
obj.parent = parent;
obj.identifier = null;
obj.dbKey = null;
if (obj.parent.args.mongodb) {
// Use MongoDB
@ -44,7 +45,32 @@ module.exports.CreateDB = function (parent) {
// Use NeDB (The default)
obj.databaseType = 1;
Datastore = require('nedb');
obj.file = new Datastore({ filename: obj.parent.getConfigFilePath('meshcentral.db'), autoload: true });
var datastoreOptions = { filename: obj.parent.getConfigFilePath('meshcentral.db'), autoload: true };
// If a DB encryption key is provided, perform database encryption
if (typeof obj.parent.args.dbencryptkey == 'string') {
// Hash the database password into a AES256 key and setup encryption and decryption.
obj.dbKey = obj.parent.crypto.createHash('sha384').update(obj.parent.args.dbencryptkey).digest("raw").slice(0, 32);
datastoreOptions.afterSerialization = function (plaintext) {
const iv = obj.parent.crypto.randomBytes(16);
const aes = obj.parent.crypto.createCipheriv('aes-256-cbc', obj.dbKey, iv);
var ciphertext = aes.update(plaintext);
ciphertext = Buffer.concat([iv, ciphertext, aes.final()]);
return ciphertext.toString('base64');
}
datastoreOptions.beforeDeserialization = function (ciphertext) {
const ciphertextBytes = Buffer.from(ciphertext, 'base64');
const iv = ciphertextBytes.slice(0, 16);
const data = ciphertextBytes.slice(16);
const aes = obj.parent.crypto.createDecipheriv('aes-256-cbc', obj.dbKey, iv);
var plaintextBytes = Buffer.from(aes.update(data));
plaintextBytes = Buffer.concat([plaintextBytes, aes.final()]);
return plaintextBytes.toString();
}
}
// Start NeDB
obj.file = new Datastore(datastoreOptions);
obj.file.persistence.setAutocompactionInterval(3600);
}