Files
notesnook/apps/mobile/app/common/database/encryption.js
2023-01-16 13:48:28 +05:00

132 lines
3.5 KiB
JavaScript

/*
This file is part of the Notesnook project (https://notesnook.com/)
Copyright (C) 2023 Streetwriters (Private) Limited
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { Platform } from "react-native";
import "react-native-get-random-values";
import * as Keychain from "react-native-keychain";
import { generateSecureRandom } from "react-native-securerandom";
import Sodium from "@ammarahmed/react-native-sodium";
const KEYSTORE_CONFIG = Platform.select({
ios: {
accessible: Keychain.ACCESSIBLE.WHEN_UNLOCKED_THIS_DEVICE_ONLY
},
android: {}
});
export async function deriveCryptoKey(name, data) {
try {
let credentials = await Sodium.deriveKey(data.password, data.salt);
await Keychain.setInternetCredentials(
"notesnook",
name,
credentials.key,
KEYSTORE_CONFIG
);
return credentials.key;
} catch (e) {
console.error(e);
}
}
export async function getCryptoKey(_name) {
try {
if (await Keychain.hasInternetCredentials("notesnook")) {
let credentials = await Keychain.getInternetCredentials(
"notesnook",
KEYSTORE_CONFIG
);
return credentials.password;
} else {
return null;
}
} catch (e) {
console.error(e);
}
}
export async function removeCryptoKey(_name) {
try {
let result = await Keychain.resetInternetCredentials("notesnook");
return result;
} catch (e) {
console.error(e);
}
}
export async function getRandomBytes(length) {
return await generateSecureRandom(length);
}
export async function hash(password, email) {
let result = await Sodium.hashPassword(password, email);
return result;
}
export async function generateCryptoKey(password, salt) {
try {
let credentials = await Sodium.deriveKey(password, salt || null);
return credentials;
} catch (e) {
console.log("generateCryptoKey: ", e);
}
}
export function getAlgorithm(base64Variant) {
return `xcha-argon2i13-${base64Variant}`;
}
export async function decrypt(password, data) {
if (!password.password && !password.key) return undefined;
if (password.password && password.password === "" && !password.key)
return undefined;
let _data = { ...data };
_data.output = "plain";
return await Sodium.decrypt(password, _data);
}
export function parseAlgorithm(alg) {
if (!alg) return {};
const [enc, kdf, compressed, compressionAlg, base64variant] = alg.split("-");
return {
encryptionAlgorithm: enc,
kdfAlgorithm: kdf,
compressionAlgorithm: compressionAlg,
isCompress: compressed === "1",
base64_variant: base64variant
};
}
export async function encrypt(password, data) {
if (!password.password && !password.key) return undefined;
if (password.password && password.password === "" && !password.key)
return undefined;
let message = {
type: "plain",
data: data
};
let result = await Sodium.encrypt(password, message);
return {
...result,
alg: getAlgorithm(7)
};
}