70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
'use strict';
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var imports = require('soop').imports();
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//var buffertools = imports.buffertools || require('buffertools');
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var parent = imports.parent || require('./LocalPlain');
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var id = 0;
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function Storage(opts) {
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opts = opts || {};
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this.__uniqueid = ++id;
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if (opts.password)
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this._setPassphrase(opts.password);
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}
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Storage.parent = parent;
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var pps = {};
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Storage.prototype._getPassphrase = function() {
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return pps[this.__uniqueid];
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}
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Storage.prototype._setPassphrase = function(password) {
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pps[this.__uniqueid] = password;
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}
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Storage.prototype._encrypt = function(data) {
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return CryptoJS.AES.encrypt(data, this._getPassphrase());
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};
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Storage.prototype._decrypt = function(encrypted) {
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return CryptoJS.AES.decrypt(encrypted, this._getPassphrase());
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};
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Storage.prototype._read = function(k) {
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var ret;
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try {
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ret = localStorage.getItem(k);
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ret = this._decrypt(ret);
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ret = ret.toString(CryptoJS.enc.Utf8);
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ret = JSON.parse(ret);
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} catch (e) {
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console.log('Error while decrypting: '+e);
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throw e;
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};
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return ret;
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};
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Storage.prototype._write = function(k,v) {
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v = JSON.stringify(v);
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v = this._encrypt(v);
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localStorage.setItem(k, v);
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};
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Storage.prototype.getEncryptedObj = function(walletId) {
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var keys = this._getWalletKeys(walletId);
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var obj = {};
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for (var i in keys) {
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var key = keys[0];
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obj[key] = this.get(walletId, key);
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}
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var str = JSON.stringify(obj);
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var hex = CryptoJS.enc.Hex.stringify(CryptoJS.enc.Base64.parse(this._encrypt(str).toString()));
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return hex;
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};
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module.exports = require('soop')(Storage);
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