utility-api/index.min.js

require("dotenv").config();const express=require("express"),axios=require("axios"),{createHash:createHash}=require("crypto"),archiver=require("archiver"),rateLimit=require("express-rate-limit"),app=express(),port=process.env.PORT||3e3;app.use(express.json());const allowedDomains=process.env.ALLOWED_DOMAINS.split(",");async function hashContent(content){const hash=createHash("sha256");return hash.update(content),hash.digest("hex")}async function downloadGitHubRepo(owner,repo){if(!owner||!repo)throw new Error("Missing owner or repo");const zipUrl=`https://github.com/${owner}/${repo}/archive/refs/heads/master.zip`;return(await axios.get(zipUrl,{responseType:"arraybuffer"})).data}app.use(rateLimit({windowMs:6e4,max:1})),app.get("/",((req,res)=>{res.send("Hello There!")})),app.post("/hash",(async(req,res)=>{try{console.log("Request:",req.body);let{url:url}=req.body;if(!url)return res.status(400).json({error:"Missing URL in the request parameters"});Array.isArray(url)||(url=[url]);const promises=url.map((async url=>{const response=await axios.get(url,{responseType:"arraybuffer",timeout:1e4});return{url:url,fileHash:await hashContent(response.data)}}));let results=await Promise.all(promises);results=results.reduce(((acc,{url:url,fileHash:fileHash})=>(acc[url]=fileHash,acc)),{}),res.json(results)}catch(error){console.error("Error:",error.message),res.status(500).json({error:"Internal Server Error"})}})),app.post("/download-repos",(async(req,res)=>{try{let{urls:urls}=req.body;if(!urls)return res.status(400).json({error:"Missing urls in the request parameters"});Array.isArray(urls)||(urls=[urls]);const archive=archiver("zip");res.attachment("repos.zip");const downloadPromises=urls.map((async url=>{const[owner,name]=url.split("/").slice(-2);if(!owner||!name)return void console.error(`Invalid url format: ${url}`);const zipBuffer=await downloadGitHubRepo(owner,name);archive.append(zipBuffer,{name:`${owner}-${name}.zip`})}));await Promise.all(downloadPromises),archive.finalize(),archive.pipe(res)}catch(error){console.error("Error:",error.message),res.status(500).json({error:"Internal Server Error"})}})),app.listen(port,(()=>{console.log(`Server is running at http://localhost:${port}`)})),module.exports=app;