Incepere creare procese separate

This commit is contained in:
andrei-mihnea-cerbu
2024-04-03 23:22:38 +03:00
parent 038b809dd8
commit ffeebf1177
58 changed files with 913 additions and 479 deletions
+76
View File
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const crypto = require('crypto');
const fs = require('fs');
const path = require('path');
async function readKeyFromFile(filePath) {
try {
await fs.promises.access(filePath, fs.constants.F_OK);
return fs.promises.readFile(filePath); // Use asynchronous readFile
} catch(error) {
console.error('Error reading key file:', error);
return null;
}
}
// Paths to the key files remain the same
const IV_FILE_PATH = path.join(__dirname, '..', '..', 'iv.key');
const SECRET_KEY_FILE_PATH = path.join(__dirname, '..', '..', 'secret.key');
async function encryptFileInPlace(filePath) {
// Await the resolution of these promises
const IV = await readKeyFromFile(IV_FILE_PATH);
const SECRET_KEY = await readKeyFromFile(SECRET_KEY_FILE_PATH);
if (!IV || !SECRET_KEY) {
throw new Error('Failed to load IV or Secret Key');
}
const tempEncryptedFilePath = filePath + '.enc'; // Temporary encrypted file
return new Promise((resolve, reject) => {
const cipher = crypto.createCipheriv('aes-256-cbc', Buffer.from(SECRET_KEY), IV);
const input = fs.createReadStream(filePath);
const output = fs.createWriteStream(tempEncryptedFilePath);
input.pipe(cipher).pipe(output);
output.on('finish', () => {
fs.rename(tempEncryptedFilePath, filePath, (err) => {
if (err) reject(err);
else resolve('File encrypted successfully and replaced original.');
});
});
output.on('error', reject);
});
}
async function decryptFileInPlace(filePath) {
// Await the resolution of these promises
const IV = await readKeyFromFile(IV_FILE_PATH);
const SECRET_KEY = await readKeyFromFile(SECRET_KEY_FILE_PATH);
if (!IV || !SECRET_KEY) {
throw new Error('Failed to load IV or Secret Key');
}
const tempDecryptedFilePath = filePath + '.dec'; // Temporary decrypted file
return new Promise((resolve, reject) => {
const decipher = crypto.createDecipheriv('aes-256-cbc', Buffer.from(SECRET_KEY), IV);
const input = fs.createReadStream(filePath);
const output = fs.createWriteStream(tempDecryptedFilePath);
input.pipe(decipher).pipe(output);
output.on('finish', () => {
fs.rename(tempDecryptedFilePath, filePath, (err) => {
if (err) reject(err);
else resolve('File decrypted successfully and replaced original.');
});
});
output.on('error', reject);
});
}
module.exports = {
encryptFileInPlace,
decryptFileInPlace
}