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accept cache path as option to encrypt()/decrypt()

master
Conduitry 4 months ago
parent
commit
e52d06ef9c
  1. 12
      crypt.js

12
crypt.js

@ -2,10 +2,8 @@ import * as crypto from 'crypto';
import * as fs from 'fs';
import { cpus } from 'os';
import { dirname } from 'path';
import { fileURLToPath } from 'url';
import { deserialize, serialize } from 'v8';
const cache_path = dirname(fileURLToPath(import.meta.url)) + '/cache';
const num_processors = cpus().length;
export function init({
@ -67,7 +65,7 @@ function get_info(crypt_dir, passphrase) {
return info;
}
async function get_plain_index(plain_dir, hash_algorithm, filter) {
async function get_plain_index(plain_dir, hash_algorithm, filter, cache_path) {
let cache;
try {
cache = deserialize(fs.readFileSync(cache_path));
@ -157,7 +155,7 @@ function make_stream_queue() {
};
}
export async function encrypt({ plain: plain_dir, crypt: crypt_dir, filter }) {
export async function encrypt({ plain: plain_dir, crypt: crypt_dir, cache: cache_path, filter }) {
const added = new Set();
const deleted = new Set();
const updated = new Set();
@ -165,7 +163,7 @@ export async function encrypt({ plain: plain_dir, crypt: crypt_dir, filter }) {
const info = get_info(crypt_dir);
const { keyLength, ivLength } = crypto.getCipherInfo(info.cipher_algorithm);
// CONSTRUCT PLAIN INDEX
const plain_index = await get_plain_index(plain_dir, info.hash_algorithm, filter);
const plain_index = await get_plain_index(plain_dir, info.hash_algorithm, filter, cache_path);
// CREATE INDEX OF PLAIN FILES AS THEY WILL APPEAR IN THE CRYPT INDEX
const path_hmac_lookup = new Map();
for (const path of plain_index.keys()) {
@ -263,7 +261,7 @@ export function clean({ crypt: crypt_dir, passphrase }) {
return { deleted: crypt_filenames };
}
export async function decrypt({ plain: plain_dir, crypt: crypt_dir, filter, passphrase }) {
export async function decrypt({ crypt: crypt_dir, plain: plain_dir, cache: cache_path, filter, passphrase }) {
const added = new Set();
const deleted = new Set();
const updated = new Set();
@ -271,7 +269,7 @@ export async function decrypt({ plain: plain_dir, crypt: crypt_dir, filter, pass
// READ CRYPT INDEX
const info = get_info(crypt_dir, passphrase);
// CONSTRUCT PLAIN INDEX
const plain_index = await get_plain_index(plain_dir, info.hash_algorithm, filter);
const plain_index = await get_plain_index(plain_dir, info.hash_algorithm, filter, cache_path);
// CREATE INDEX OF PLAIN FILES AS THEY WILL APPEAR IN THE CRYPT INDEX
// DELETE MISSING FILES
const path_hmac_lookup = new Map();

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