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Refactor: Use incremental slug length on collision

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multipleof4
2025-09-26 21:23:31 -07:00
parent 690ab20593
commit a40443a733
1 changed files with 2 additions and 2 deletions
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4
functions/[[path]].js
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@@ -1,4 +1,4 @@
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 C='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',H={'Access-Control-Allow-Origin':'*'},r=l=>[...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(_){}}}
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'}})
@@ -9,7 +9,7 @@ export async function onRequest({request,env,next}){
if(!k||!(await(await fetch('https://www.google.com/recaptcha/api/siteverify',{method:'POST',headers:{'Content-Type':'application/x-www-form-urlencoded'},body:`secret=${env.RECAPCHA_KEY}&response=${k}`})).json()).success)
return new Response('CAPTCHA failed',{status:403,headers:H})
t=n(t);if(!t)throw 0
let s;do s=r();while(await env.EV.get(s))
let l=4,s;do s=r(l++);while(await env.EV.get(s))
await env.EV.put(s,t)
return new Response(JSON.stringify({slug:s,target:t,shortUrl:`${u.origin}/${s}`}),{headers:{'Content-Type':'application/json',...H}})
}catch(_){return new Response('Invalid request',{status:400,headers:H})}