Added deobfuscator server files (main decoder)

Author: LostMyCode

functions/.gitignore

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+node_modules/
+test/

functions/index.js

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+/* eslint-disable no-unused-vars */
+// index.js
+const functions = require('firebase-functions');
+const express = require("express");
+const cors = require('cors');
+const bodyParser = require("body-parser");
+const decoder = require("./xDecoder")();
+
+const app = express();
+
+app.use(cors());
+app.use(bodyParser.urlencoded({ extended: true, limit: '10mb' }));
+app.use(bodyParser.json({ extended: true, limit: '10mb' }));
+
+app.get('/hello', (req, res) => { // test page
+    res.send('Hello Express!');
+});
+
+app.post("/request", (req, res, next) => {
+    // console.log(req.body.code)
+
+    const decoded = decoder.decode(req.body.type, req.body.targetName, req.body.code);
+    res.send(decoded);
+});
+
+// ここに`cors()`を追加(一部でcors使いたい場合)
+/* app.get('/asd/:keyword', cors(), (req, res) => {
+}); */
+
+const api = functions.https.onRequest(app);
+module.exports = { api };