102 lines
2.6 KiB
JavaScript
102 lines
2.6 KiB
JavaScript
const fs = require('fs');
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const crypto = require('crypto');
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const convertBaseToString =require('./envConvertBasetoString');
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function encode(inputString, downloadFilePath = false) {
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var configObject = convertBaseToString();
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console.log('encod downloadFilePath : ', downloadFilePath)
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var certificatePath = '';
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if(downloadFilePath !== false)
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{
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// certificatePath = process.env.DOWNLOAD_PUBLIC_KEY_PATH;
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certificatePath = configObject.DOWNLOAD_PUBLIC_KEY_PATH;
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}
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else{
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// certificatePath = process.env.PUBLIC_KEY_PATH;
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certificatePath = configObject.PUBLIC_KEY_PATH;
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}
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try {
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const aesKey = crypto.randomBytes(16); // Change the byte length for different key lengths
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const iv = crypto.randomBytes(16); // Initialization vector for AES-CBC
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// Encrypt the file using AES
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const cipher = crypto.createCipheriv('aes-128-cbc', aesKey, iv);
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let encryptedData = cipher.update(inputString);
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encryptedData = Buffer.concat([encryptedData, cipher.final()]);
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// Get the public key from the self-signed certificate
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const publicKey = fs.readFileSync(certificatePath, 'utf-8');
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// Encrypt the AES key with the public key
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const encryptedAesKey = crypto.publicEncrypt(
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{
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key: publicKey,
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padding: crypto.constants.RSA_PKCS1_OAEP_PADDING,
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oaepHash: 'sha256',
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},
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aesKey
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);
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// Save the encrypted file and encrypted AES key
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var encryptedResult = Buffer.concat([encryptedAesKey, iv, encryptedData])
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console.log('File encrypted successfully.');
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console.log('Encrypted String:', encryptedResult);
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if(downloadFilePath !== false)
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{
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try {
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fs.writeFileSync(downloadFilePath, encryptedResult);
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console.log('File downloaded successfully.');
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Swal.fire({
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title: "File Downloaded",
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icon: "success"
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});
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} catch (error) {
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console.error('Error writing file:', error.message);
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var errorMessage = "";
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if(error.code == 'EACCES'){
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errorMessage = `Permission Denied.<br> Path: ${downloadFilePath}`;
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}
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else if(error.code == 'ENOENT'){
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errorMessage = `No Such File Directory. <br> Path: ${downloadFilePath}`;
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}
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else{
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errorMessage = `Unknown Error. <br> Path: ${downloadFilePath}`;
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}
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Swal.fire({
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title: "File Download Failed",
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html: errorMessage,
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icon: "warning"
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});
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}
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}
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else{
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return encryptedResult;
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}
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} catch (error) {
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console.error('Encryption failed:', error.message);
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return null;
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}
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}
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module.exports = encode;
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