fast-envcrypt/dist/src/loader.js

Secure AES-256 .env file encryption CLI tool with argon2/scrypt support

import readline from "readline";
import { decryptFile } from "./decrypt.js";
import { unlinkSync, mkdtempSync } from "fs";
import { readFileSync } from "fs";
import { tmpdir } from "os";
import { join } from "path";
function promptPassword() {
    return new Promise((resolve) => {
        const rl = readline.createInterface({ input: process.stdin, output: process.stdout });
        rl.stdoutMuted = true;
        rl.question("🔐 Enter password: ", (password) => {
            rl.close();
            console.log();
            resolve(password);
        });
        rl._writeToOutput = function _writeToOutput(stringToWrite) {
            if (rl.stdoutMuted)
                rl.output.write("*");
            else
                rl.output.write(stringToWrite);
        };
    });
}
export async function loadEncryptedEnv(inputPath, password) {
    if (!password)
        password = await promptPassword();
    // Vaqtinchalik fayl yaratish
    const tempDir = mkdtempSync(join(tmpdir(), "envcrypt-"));
    const tempFile = join(tempDir, ".env.temp");
    try {
        // Faylni vaqtinchalik joyga deshifrlash
        await decryptFile(inputPath, tempFile, password, true);
        // Deshifrlangan faylni o'qish
        const envContent = readFileSync(tempFile, "utf8");
        // ENV o'zgaruvchilarini parse qilish va process.env ga yuklash
        let loadedCount = 0;
        envContent.split("\n").forEach((line) => {
            const trimmed = line.trim();
            // Bo'sh qatorlar va izohlarni o'tkazib yuborish
            if (!trimmed || trimmed.startsWith("#")) {
                return;
            }
            // KEY=VALUE formatini parse qilish
            const equalIndex = trimmed.indexOf("=");
            if (equalIndex === -1) {
                return;
            }
            const key = trimmed.substring(0, equalIndex).trim();
            const value = trimmed.substring(equalIndex + 1).trim();
            // Qo'shtirnoqlarni olib tashlash
            const cleanValue = value.replace(/^["']|["']$/g, "");
            if (key) {
                process.env[key] = cleanValue;
                loadedCount++;
            }
        });
        return loadedCount;
    }
    finally {
        // Vaqtinchalik faylni o'chirish
        try {
            unlinkSync(tempFile);
        }
        catch (error) {
            // Ahamiyatsiz xato
        }
    }
}
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