feat: add libsodium for crypto

apps/web/package.json

@@ -10,6 +10,7 @@
     "framer-motion": "^1.9.1",
     "git": "^0.1.5",
     "immer": "^5.3.6",
+    "libsodium-wrappers": "0.7.6",
     "localforage": "^1.7.3",
     "localforage-getitems": "https://github.com/thecodrr/localForage-getItems.git",
     "notes-core": "npm:@streetwriters/notesnook-core@latest",

apps/web/src/interfaces/crypto.js

@@ -0,0 +1,109 @@
+class Crypto {
+  isReady = false;
+  constructor() {
+    this.sodium = undefined;
+  }
+  async _initialize() {
+    if (this.isReady) return;
+    const _sodium = require("libsodium-wrappers");
+    await _sodium.ready;
+    this.sodium = _sodium;
+    this.isReady = true;
+  }
+
+  deriveKey = async (password, salt, exportKey = false) => {
+    await this._initialize();
+
+    if (!salt)
+      salt = this.sodium.randombytes_buf(this.sodium.crypto_pwhash_SALTBYTES);
+    else {
+      salt = this.sodium.from_base64(salt);
+    }
+
+    const key = this.sodium.crypto_pwhash(
+      this.sodium.crypto_aead_xchacha20poly1305_ietf_KEYBYTES,
+      password,
+      salt,
+      3, // operations limit
+      1024 * 1024 * 8, // memory limit (8MB)
+      this.sodium.crypto_pwhash_ALG_ARGON2I13,
+      exportKey ? "hex" : "uint8array"
+    );
+    const saltHex = this.sodium.to_base64(salt);
+    this.sodium.memzero(salt);
+    if (exportKey) {
+      return key;
+    }
+    return { key, salt: saltHex };
+  };
+
+  _getKey = async (passwordOrKey) => {
+    let key, salt;
+    if (passwordOrKey.password) {
+      const result = await this.deriveKey(passwordOrKey.password);
+      key = result.key;
+      salt = result.salt;
+    } else if (passwordOrKey.key && passwordOrKey.salt) {
+      salt = passwordOrKey.salt;
+      key = this.sodium.from_hex(passwordOrKey.key);
+    }
+    return { key, salt };
+  };
+
+  /**
+   *
+   * @param {{password: string}|{key:string, salt: string}} passwordOrKey - password or derived key
+   * @param {string|Object} data - the plaintext data
+   */
+  encrypt = async (passwordOrKey, data) => {
+    await this._initialize();
+
+    if (typeof data === "object") data = JSON.stringify(data);
+
+    const { key, salt } = await this._getKey(passwordOrKey);
+
+    const nonce = this.sodium.randombytes_buf(
+      this.sodium.crypto_aead_xchacha20poly1305_ietf_NPUBBYTES
+    );
+    const cipher = this.sodium.crypto_aead_xchacha20poly1305_ietf_encrypt(
+      data,
+      undefined,
+      undefined,
+      nonce,
+      key,
+      "base64"
+    );
+    const iv = this.sodium.to_base64(nonce);
+    this.sodium.memzero(nonce);
+    this.sodium.memzero(key);
+    return {
+      cipher,
+      iv,
+      salt,
+    };
+  };
+
+  /**
+   *
+   * @param {{password: string}|{key:string, salt: string}} passwordOrKey - password or derived key
+   * @param {{salt: string, iv: string, cipher: string}} cipher - the cipher data
+   */
+  decrypt = async (passwordOrKey, { iv, cipher }) => {
+    await this._initialize();
+
+    const { key } = await this._getKey(passwordOrKey);
+    console.log(key, iv, cipher, passwordOrKey);
+
+    const plainText = this.sodium.crypto_aead_xchacha20poly1305_ietf_decrypt(
+      undefined,
+      this.sodium.from_base64(cipher),
+      undefined,
+      this.sodium.from_base64(iv),
+      key,
+      "text"
+    );
+    this.sodium.memzero(key);
+    return plainText;
+  };
+}
+export default Crypto;

apps/web/src/interfaces/storage.js

@@ -1,7 +1,9 @@
 import localforage from "localforage";
 import { extendPrototype } from "localforage-getitems";
 import sort from "fast-sort";
+import Crypto from "./crypto";
 
+const crypto = new Crypto();
 extendPrototype(localforage);
 
 localforage.config({
@@ -36,4 +38,7 @@ export default {
   write,
   remove,
   clear,
+  deriveKey: crypto.deriveKey,
+  encrypt: crypto.encrypt,
+  decrypt: crypto.decrypt,
 };

apps/web/yarn.lock

@@ -6268,7 +6268,7 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-libsodium-wrappers@^0.7.6:
+libsodium-wrappers@0.7.6, libsodium-wrappers@^0.7.6:
   version "0.7.6"
   resolved "https://registry.yarnpkg.com/libsodium-wrappers/-/libsodium-wrappers-0.7.6.tgz#baed4c16d4bf9610104875ad8a8e164d259d48fb"
   integrity sha512-OUO2CWW5bHdLr6hkKLHIKI4raEkZrf3QHkhXsJ1yCh6MZ3JDA7jFD3kCATNquuGSG6MjjPHQIQms0y0gBDzjQg==
@@ -6910,7 +6910,7 @@ normalize-url@^3.0.0, normalize-url@^3.0.1:
 
 "notes-core@git+ssh://git@github.com:thecodrr/notes-core.git":
   version "1.2.0"
-  resolved "git+ssh://git@github.com:thecodrr/notes-core.git#47dcb328be59c040c7ea50a6e1f26a2572ee1270"
+  resolved "git+ssh://git@github.com:thecodrr/notes-core.git#d0e226b0ba97a44f7098955ee6d982904a51be9d"
   dependencies:
     fast-sort "^2.0.1"
     fuzzysearch "^1.0.3"