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Fix: Add CORS headers to posts API

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multipleof4
2025-10-02 12:43:38 -07:00
parent da3f9806f4
commit 292b66832e
1 changed files with 24 additions and 8 deletions
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32
functions/api/posts.js
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@@ -1,29 +1,45 @@
const json=(d,o={})=>{const h=new Headers(o.headers);h.set('Content-Type','application/json');return new Response(JSON.stringify(d),{...o,headers:h})};
const json=(d,o={},req)=>{const h=new Headers(o.headers);h.set('Content-Type','application/json');const origin=req?.headers.get('Origin');if(origin?.endsWith('.speech.capital')){h.set('Access-Control-Allow-Origin',origin);h.set('Access-Control-Allow-Credentials','true');h.set('Access-Control-Allow-Methods','GET,POST,OPTIONS');h.set('Access-Control-Allow-Headers','Content-Type')}return new Response(JSON.stringify(d),{...o,headers:h})};
const cookie=c=>(c.match(/auth_user=([^;]+)/)?.[1]||null);
const hash=c=>(c.match(/auth_hash=([^;]+)/)?.[1]||null);
const tsEq=(a,b)=>{if(!a||!b)return!1;let d=a.length^b.length;for(let i=0;i<a.length;i++)d|=a.charCodeAt(i)^b.charCodeAt(i);return d===0};
const auth=async(req,db)=>{const c=req.headers.get('Cookie')||'',u=cookie(c),h=hash(c);if(!u||!h)return null;const user=await db.prepare('SELECT id,username,role,pass_hash FROM users WHERE username=?').bind(u).first();return user&&tsEq(user.pass_hash,h)?user:null};
export async function onRequest({request,env}){
if(request.method==='OPTIONS'){
const h=new Headers();
const origin=request.headers.get('Origin');
if(origin?.endsWith('.speech.capital')){
h.set('Access-Control-Allow-Origin',origin);
h.set('Access-Control-Allow-Credentials','true');
h.set('Access-Control-Allow-Methods','GET,POST,OPTIONS');
h.set('Access-Control-Allow-Headers','Content-Type');
}
return new Response(null,{status:204,headers:h});
}
if(request.method==='GET')return onRequestGet({request,env});
if(request.method==='POST')return onRequestPost({request,env});
}
export async function onRequestGet({request,env}){
try{
const url=new URL(request.url),sub=url.searchParams.get('sub')||'free',sort=url.searchParams.get('sort')||'hot';
const user=await auth(request,env.D1_SPCHCAP);
const sub_row=await env.D1_SPCHCAP.prepare('SELECT id FROM subs WHERE name=?').bind(sub).first();
if(!sub_row)return json({posts:[]});
if(!sub_row)return json({posts:[]},{},request);
let order=sort==='new'?'ORDER BY p.created_at DESC':'ORDER BY (p.score/(CAST((julianday("now")-julianday(p.created_at))*24 AS REAL)+2)) DESC';
const{results}=await env.D1_SPCHCAP.prepare(`SELECT p.id,p.title,p.link,p.content,p.score,p.comment_count,p.created_at,u.username${user?',v.direction as voted':''} FROM posts p JOIN users u ON p.user_id=u.id ${user?'LEFT JOIN votes v ON v.post_id=p.id AND v.user_id=?':''} WHERE p.sub_id=? ${order} LIMIT 30`).bind(...(user?[user.id,sub_row.id]:[sub_row.id])).all();
return json({posts:results});
}catch(e){return json({error:{message:e.message}},{status:500})}
return json({posts:results},{},request);
}catch(e){return json({error:{message:e.message}},{status:500},request)}
}
export async function onRequestPost({request,env}){
try{
const user=await auth(request,env.D1_SPCHCAP);
if(!user)return json({error:'Unauthorized'},{status:401});
if(!user)return json({error:'Unauthorized'},{status:401},request);
const{sub,title,link,content}=await request.json();
if(!sub||!title)return json({error:'Missing fields'},{status:400});
if(!sub||!title)return json({error:'Missing fields'},{status:400},request);
let sub_row=await env.D1_SPCHCAP.prepare('SELECT id FROM subs WHERE name=?').bind(sub).first();
if(!sub_row){
@@ -32,6 +48,6 @@ export async function onRequestPost({request,env}){
}
const{meta}=await env.D1_SPCHCAP.prepare('INSERT INTO posts(sub_id,user_id,title,link,content)VALUES(?,?,?,?,?)').bind(sub_row.id,user.id,title,link,content).run();
return json({id:meta.last_row_id},{status:201});
}catch(e){return json({error:{message:e.message}},{status:500})}
return json({id:meta.last_row_id},{status:201},request);
}catch(e){return json({error:{message:e.message}},{status:500},request)}
}