Delete server

server/.env

@@ -1 +0,0 @@
-PLUGIN_PRIVATE_KEY="-----BEGIN PRIVATE KEY-----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\nlYc6JH6EG1RkZx0hB4CmWqQ=\n-----END PRIVATE KEY-----"

server/decoder.js

@@ -1,114 +0,0 @@
-const sharp = require('sharp');
-const { webcrypto } = require('crypto');
-
-// --- Helper to convert PEM to a format Web Crypto API can use ---
-function pemToDer(pem) {
-  const b64 = pem
-    .replace(/-----BEGIN PRIVATE KEY-----/g, '')
-    .replace(/-----END PRIVATE KEY-----/g, '')
-    .replace(/\\n/g, '') // Handle escaped newlines from env vars
-    .replace(/\s/g, '');
-  const binaryDer = atob(b64);
-  const buffer = new ArrayBuffer(binaryDer.length);
-  const bytes = new Uint8Array(buffer);
-  for (let i = 0; i < binaryDer.length; i++) {
-    bytes[i] = binaryDer.charCodeAt(i);
-  }
-  return buffer;
-}
-
-// --- Extracts hidden data from an image buffer using Sharp ---
-async function extractDataFromImage(imageBuffer) {
-  const { data: pixelData, info } = await sharp(imageBuffer).raw().toBuffer({ resolveWithObject: true });
-
-  const HEADER_BITS = 32; // 4 bytes for the length header
-  const channels = info.channels; // Typically 3 (RGB) or 4 (RGBA)
-
-  if (pixelData.length < Math.ceil(HEADER_BITS / channels) * channels) {
-    throw new Error("Image is too small to contain a valid header.");
-  }
-  
-  let headerBinaryString = '';
-  for (let i = 0; i < HEADER_BITS; i++) {
-    const pixelIndex = Math.floor(i / 3);
-    const channelIndex = i % 3;
-    headerBinaryString += pixelData[pixelIndex * channels + channelIndex] & 1;
-  }
-
-  const headerBytes = new Uint8Array(HEADER_BITS / 8);
-  for (let i = 0; i < HEADER_BITS / 8; i++) {
-    headerBytes[i] = parseInt(headerBinaryString.substring(i * 8, (i + 1) * 8), 2);
-  }
-  
-  const dataView = new DataView(headerBytes.buffer);
-  const dataLengthInBytes = dataView.getUint32(0, false);
-
-  if (dataLengthInBytes === 0) return new Uint8Array(0);
-
-  const dataLengthInBits = dataLengthInBytes * 8;
-  const bitOffset = HEADER_BITS;
-  const totalBitsToRead = bitOffset + dataLengthInBits;
-
-  if (pixelData.length < Math.ceil(totalBitsToRead / 3) * channels) {
-      throw new Error("Image is too small for the data specified in the header. File may be corrupt.");
-  }
-
-  let dataBinaryString = '';
-  for (let i = 0; i < dataLengthInBits; i++) {
-    const bitPosition = bitOffset + i;
-    const pixelIndex = Math.floor(bitPosition / 3);
-    const channelIndex = bitPosition % 3;
-    dataBinaryString += pixelData[pixelIndex * channels + channelIndex] & 1;
-  }
-  
-  const dataBytes = new Uint8Array(dataLengthInBytes);
-  for (let i = 0; i < dataLengthInBytes; i++) {
-    dataBytes[i] = parseInt(dataBinaryString.substring(i * 8, (i + 1) * 8), 2);
-  }
-  
-  return dataBytes;
-}
-
-// --- Decrypts the payload using RSA and AES ---
-async function decryptHybridPayload(cryptoPayload, privateKeyPem) {
-  const ENCRYPTED_AES_KEY_LEN_SIZE = 4;
-  const AES_GCM_NONCE_SIZE = 12;
-
-  const privateKey = await webcrypto.subtle.importKey(
-    'pkcs8', pemToDer(privateKeyPem), { name: 'RSA-OAEP', hash: 'SHA-256' }, true, ['decrypt']
-  );
-
-  const encryptedAesKeyLen = new DataView(cryptoPayload.buffer, 0, ENCRYPTED_AES_KEY_LEN_SIZE).getUint32(0, false);
-  let offset = ENCRYPTED_AES_KEY_LEN_SIZE;
-  const encryptedAesKey = cryptoPayload.slice(offset, offset + encryptedAesKeyLen);
-  offset += encryptedAesKeyLen;
-  const nonce = cryptoPayload.slice(offset, offset + AES_GCM_NONCE_SIZE);
-  offset += AES_GCM_NONCE_SIZE;
-  const ciphertextWithTag = cryptoPayload.slice(offset);
-
-  const decryptedAesKeyBytes = await webcrypto.subtle.decrypt({ name: 'RSA-OAEP' }, privateKey, encryptedAesKey);
-  const aesKey = await webcrypto.subtle.importKey('raw', decryptedAesKeyBytes, { name: 'AES-GCM', length: 256 }, true, ['decrypt']);
-  const decryptedDataBuffer = await webcrypto.subtle.decrypt({ name: 'AES-GCM', iv: nonce }, aesKey, ciphertextWithTag);
-  
-  const decryptedText = new TextDecoder().decode(decryptedDataBuffer);
-  return JSON.parse(decryptedText);
-}
-
-// --- Main export function ---
-async function decodeAuthFromImage(imageBuffer, privateKeyPem) {
-  try {
-    const cryptoPayload = await extractDataFromImage(imageBuffer);
-    if (cryptoPayload.length === 0) {
-      throw new Error("No data found in image.");
-    }
-    return await decryptHybridPayload(cryptoPayload, privateKeyPem);
-  } catch (error) {
-    console.error("Decoding failed:", error);
-    if (error.message.includes('decryption failed')) {
-      throw new Error("Decryption failed. The data may be corrupt or was not encrypted with the correct public key.");
-    }
-    throw error;
-  }
-}
-
-module.exports = { decodeAuthFromImage };

server/package.json

@@ -1,20 +0,0 @@
-
-{
-  "name": "keylock-decoder-server",
-  "version": "1.0.0",
-  "description": "Server-side API to decode KeyLock images.",
-  "main": "server.js",
-  "scripts": {
-    "start": "node server.js",
-    "test": "echo \"Error: no test specified\" && exit 1"
-  },
-  "author": "",
-  "license": "ISC",
-  "dependencies": {
-    "cors": "^2.8.5",
-    "dotenv": "^16.4.5",
-    "express": "^4.19.2",
-    "multer": "^1.4.5-lts.1",
-    "sharp": "^0.33.3"
-  }
-}

server/server.js

@@ -1,56 +0,0 @@
-require('dotenv').config();
-const express = require('express');
-const multer = require('multer');
-const cors = require('cors');
-const { decodeAuthFromImage } = require('./decoder');
-
-const app = express();
-const port = process.env.PORT || 7860;
-
-// --- CORS Configuration ---
-const allowedOrigins = process.env.CORS_ORIGIN ? process.env.CORS_ORIGIN.split(',') : [];
-const corsOptions = {
-  origin: (origin, callback) => {
-    // Allow requests with no origin (like mobile apps or curl) and from allowed origins
-    if (!origin || allowedOrigins.indexOf(origin) !== -1 || allowedOrigins.includes('*')) {
-      callback(null, true);
-    } else {
-      callback(new Error('Not allowed by CORS'));
-    }
-  },
-};
-app.use(cors(corsOptions));
-
-// --- Multer for file uploads ---
-const upload = multer({
-  storage: multer.memoryStorage(),
-  limits: { fileSize: 5 * 1024 * 1024 }, // 5MB limit
-});
-
-// --- API Endpoint ---
-app.post('/api/decode', upload.single('authImage'), async (req, res) => {
-  const privateKey = process.env.PLUGIN_PRIVATE_KEY;
-  
-  if (!privateKey) {
-    console.error("FATAL: PLUGIN_PRIVATE_KEY environment variable is not set.");
-    return res.status(500).json({ success: false, error: 'Server configuration error.' });
-  }
-
-  if (!req.file) {
-    return res.status(400).json({ success: false, error: 'No image file provided. Please upload a file with the key "authImage".' });
-  }
-
-  try {
-    const credentials = await decodeAuthFromImage(req.file.buffer, privateKey);
-    res.json({ success: true, data: credentials });
-  } catch (error) {
-    res.status(400).json({ success: false, error: error.message });
-  }
-});
-
-app.listen(port, () => {
-  console.log(`KeyLock Decoder Plugin listening at http://localhost:${port}`);
-  if (allowedOrigins.length > 0) {
-    console.log(`CORS enabled for: ${allowedOrigins.join(', ')}`);
-  }
-});