pheonix-pkg-plugin/tamperScripts/tamperBinary.ts

Webpack Plugin For the Newer NodeJS v22.9.0 Single Executable Bundling Process Provided By Johnathan Edward Brown! Now includes a Simple Runtime Script Integrity Check! Using SEA assets! With a Binary Tamper Proof Included!

import * as fs from 'fs';
import * as path from 'path';
import * as crypto from 'crypto';

function verifyBinaryIntegrity(): void {
    const binaryPath: string = process.execPath;
    const binaryContent: Buffer = fs.readFileSync(binaryPath);
    const currentHash: string = crypto.createHash('sha256').update(binaryContent).digest('hex');

    const hashFilePath: string = path.resolve(__dirname, path.basename(binaryPath) + '-hash.txt');
    const storedHash: string = fs.readFileSync(hashFilePath, 'utf8').trim();

    if (currentHash !== storedHash) {
        const hashFilePath: string = path.resolve(__dirname, 'hash.txt');
        const storedHash: string = fs.readFileSync(hashFilePath, 'utf8').trim();
        if (currentHash !== storedHash) {
        throw new Error('Binary integrity check failed!');
        }
    }
}

verifyBinaryIntegrity();