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Fix: Accept naked domains; normalize URLs

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multipleof4
2025-09-26 20:27:41 -07:00
parent bc25e7be69
commit 8f4f7b8465
1 changed files with 8 additions and 24 deletions
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32
functions/[[path]].js
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@@ -1,33 +1,17 @@
const C='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',L=4,H={'Access-Control-Allow-Origin':'*'} const C='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',L=4,H={'Access-Control-Allow-Origin':'*'},r=_=>[...Array(L)].map(_=>C[Math.random()*C.length|0]).join(''),n=u=>{try{return new URL(u).href}catch(_){try{return new URL('https://'+u).href}catch(_){}}}
const r=()=>[...Array(L)].map(()=>C[Math.random()*C.length|0]).join('')
export async function onRequest({request, env, next}){ export async function onRequest({request,env,next}){
if(request.method==='OPTIONS')return new Response(null,{headers:{...H,'Access-Control-Allow-Methods':'POST','Access-Control-Allow-Headers':'Content-Type'}}) if(request.method==='OPTIONS')return new Response(null,{headers:{...H,'Access-Control-Allow-Methods':'POST','Access-Control-Allow-Headers':'Content-Type'}})
const u=new URL(request.url) const u=new URL(request.url)
// Handle POST request to create a link (API call)
if(u.pathname==='/api/create'&&request.method==='POST'){ if(u.pathname==='/api/create'&&request.method==='POST'){
try{ try{
const{url:t}=await request.json(); let{url:t}=await request.json();t=n(t);if(!t)throw 0
new URL(t); let s;do s=r();while(await env.EV.get(s))
let s; await env.EV.put(s,t)
do s=r();while(await env.EV.get(s)); return new Response(JSON.stringify({slug:s,target:t,shortUrl:`${u.origin}/${s}`}),{headers:{'Content-Type':'application/json',...H}})
await env.EV.put(s,t); }catch(_){return new Response('Invalid URL',{status:400,headers:H})}
const d={slug:s,target:t,shortUrl:`${u.origin}/${s}`};
return new Response(JSON.stringify(d),{headers:{'Content-Type':'application/json',...H}})
}catch(e){
return new Response('Invalid URL',{status:400,headers:H})
} }
}
// Handle GET request for a slug (Redirect)
const p=u.pathname.slice(1) const p=u.pathname.slice(1)
if(p){ if(p){const t=await env.EV.get(p);if(t)return Response.redirect(t,302)}
const t=await env.EV.get(p)
if(t)return Response.redirect(t,302)
}
// For all other requests (like GET /), pass them to the static asset handler.
return next() return next()
} }