From a507d16843ab39a08adf3ae18348a6f1db464e40 Mon Sep 17 00:00:00 2001
From: night0721 <night@night0721.xyz>
Date: Sat, 3 Feb 2024 14:14:20 +0000
Subject: [PATCH] add server code

---
 server/.gitignore      |  3 +++
 server/package.json    | 20 ++++++++++++++++++++
 server/src/download.ts | 24 ++++++++++++++++++++++++
 server/src/index.ts    | 17 +++++++++++++++++
 server/tsconfig.json   | 11 +++++++++++
 5 files changed, 75 insertions(+)
 create mode 100644 server/.gitignore
 create mode 100644 server/package.json
 create mode 100644 server/src/download.ts
 create mode 100644 server/src/index.ts
 create mode 100644 server/tsconfig.json

diff --git a/server/.gitignore b/server/.gitignore
new file mode 100644
index 0000000..93663d4
--- /dev/null
+++ b/server/.gitignore
@@ -0,0 +1,3 @@
+package-lock.json
+node_modules
+dist
\ No newline at end of file
diff --git a/server/package.json b/server/package.json
new file mode 100644
index 0000000..b400b7b
--- /dev/null
+++ b/server/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "service-api",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "devDependencies": {
+    "@types/cors": "^2.8.12",
+    "@types/express": "^4.17.17",
+    "typescript": "^4.5.5"
+  },
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^4.18.2",
+    "ytdl-core": "npm:@distube/ytdl-core@^4.11.9"
+  },
+  "scripts": {
+    "build": "tsc",
+    "start": "node ./dist/index.js"
+  }
+}
diff --git a/server/src/download.ts b/server/src/download.ts
new file mode 100644
index 0000000..2cff414
--- /dev/null
+++ b/server/src/download.ts
@@ -0,0 +1,24 @@
+import { Router } from "express";
+const ytdl = require("ytdl-core");
+
+const router = Router();
+
+router.post("/download", async (req, res) => {
+  try {
+    const url = req.body.url;
+    const type = req.body.type;
+    if (!ytdl.validateURL(url))
+      return res.status(400).json({ message: "Invalid URL", code: 400 });
+    if (type !== "mp3" && type !== "mp4")
+      return res.status(400).json({ message: "Invalid type", code: 400 });
+    res.setHeader("Content-Type", type === "mp3" ? "audio/mpeg" : "video/mp4");
+    ytdl(url, {
+      format: type,
+      filter: type == "mp4" ? "videoandaudio" : "audioonly",
+    }).pipe(res);
+  } catch (e) {
+    console.log(e);
+  }
+});
+
+module.exports = router;
diff --git a/server/src/index.ts b/server/src/index.ts
new file mode 100644
index 0000000..1d746ab
--- /dev/null
+++ b/server/src/index.ts
@@ -0,0 +1,17 @@
+import express from "express";
+import cors from "cors";
+
+const app = express();
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(cors());
+
+app.use("/api", require("./download"));
+
+app.listen(852, () => {
+  console.log("Server running on port 852");
+});
+
+process.on("uncaughtException", err => {
+  console.log(err);
+});
diff --git a/server/tsconfig.json b/server/tsconfig.json
new file mode 100644
index 0000000..4e45815
--- /dev/null
+++ b/server/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "module": "commonjs",
+    "outDir": "./dist",
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "skipLibCheck": true
+  }
+}