Delete api

api/index.js

@@ -1,82 +0,0 @@
-// This file is your entire server-side API.
-const express = require('express');
-const multer = require('multer');
-const cors = require('cors');
-const sharp = require('sharp');
-const { webcrypto } = require('crypto');
-
-const app = express();
-app.use(cors()); // Configure this more strictly for production!
-
-// --- Decoder Logic (self-contained in the API file) ---
-function pemToDer(pem) {
-    const b64 = pem.replace(/-----BEGIN PRIVATE KEY-----/, '').replace(/-----END PRIVATE KEY-----/, '').replace(/\\n/g, '').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;
-}
-
-async function decodeFromImageBuffer(imageBuffer, privateKeyPem) {
-    // 1. Extract data from image using Sharp
-    const { data: pixelData, info } = await sharp(imageBuffer).raw().toBuffer({ resolveWithObject: true });
-    const HEADER_BITS = 32;
-    let headerBinaryString = '';
-    for (let i = 0; headerBinaryString.length < HEADER_BITS; i++) {
-        const pixelIndex = i * 4;
-        headerBinaryString += pixelData[pixelIndex] & 1;
-        if (headerBinaryString.length < HEADER_BITS) headerBinaryString += pixelData[pixelIndex + 1] & 1;
-        if (headerBinaryString.length < HEADER_BITS) headerBinaryString += pixelData[pixelIndex + 2] & 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 dataLengthInBytes = new DataView(headerBytes.buffer).getUint32(0, false);
-    if (dataLengthInBytes === 0) return {};
-
-    const dataLengthInBits = dataLengthInBytes * 8;
-    const bitOffset = HEADER_BITS;
-    let dataBinaryString = '';
-    for (let i = 0; dataBinaryString.length < dataLengthInBits; i++) {
-        const bitPosition = bitOffset + i;
-        const pixelIndex = Math.floor(bitPosition / 3) * 4;
-        const channelOffset = bitPosition % 3;
-        dataBinaryString += pixelData[pixelIndex + channelOffset] & 1;
-    }
-    const cryptoPayload = new Uint8Array(dataLengthInBytes);
-    for (let i = 0; i < dataLengthInBytes; i++) { cryptoPayload[i] = parseInt(dataBinaryString.substring(i * 8, (i + 1) * 8), 2); }
-
-    // 2. Decrypt payload using Web Crypto API
-    const privateKey = await webcrypto.subtle.importKey('pkcs8', pemToDer(privateKeyPem), { name: 'RSA-OAEP', hash: 'SHA-256' }, true, ['decrypt']);
-    const encryptedAesKeyLen = new DataView(cryptoPayload.buffer, 0, 4).getUint32(0, false);
-    let offset = 4;
-    const encryptedAesKey = cryptoPayload.slice(offset, offset + encryptedAesKeyLen);
-    offset += encryptedAesKeyLen;
-    const nonce = cryptoPayload.slice(offset, offset + 12);
-    offset += 12;
-    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);
-    return JSON.parse(new TextDecoder().decode(decryptedDataBuffer));
-}
-
-// --- API Endpoint Setup ---
-const upload = multer({ storage: multer.memoryStorage(), limits: { fileSize: 5 * 1024 * 1024 } });
-app.post('/api/decode', upload.single('authImage'), async (req, res) => {
-    const privateKey = process.env.PLUGIN_PRIVATE_KEY;
-    if (!privateKey) {
-        return res.status(500).json({ error: 'Server is not configured with a private key.' });
-    }
-    if (!req.file) {
-        return res.status(400).json({ error: 'No image file provided.' });
-    }
-    try {
-        const credentials = await decodeFromImageBuffer(req.file.buffer, privateKey);
-        res.json({ success: true, data: credentials });
-    } catch (error) {
-        res.status(400).json({ success: false, error: 'Decryption failed. The image may be corrupt or was not encrypted with the correct public key.' });
-    }
-});
-
-module.exports = app;