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Exempt container-internal calls from the translate rate limit (cache warmer)

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martbost
2026-08-21 07:47:38 -05:00
parent d35034306a
commit 75863ad581
1 changed files with 3 additions and 1 deletions
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server.js
+3 -1
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@@ -368,7 +368,9 @@ const trIpHits=new Map();
function trLimited(ip){ const now=Date.now(); const h=trIpHits.get(ip)||{n:0,ts:now}; if(now-h.ts>600000){h.n=0;h.ts=now} h.n++; trIpHits.set(ip,h); if(trIpHits.size>2000)trIpHits.clear(); return h.n>60; } function trLimited(ip){ const now=Date.now(); const h=trIpHits.get(ip)||{n:0,ts:now}; if(now-h.ts>600000){h.n=0;h.ts=now} h.n++; trIpHits.set(ip,h); if(trIpHits.size>2000)trIpHits.clear(); return h.n>60; }
async function handleTranslate(req,res){ async function handleTranslate(req,res){
const ip=String(req.headers['x-forwarded-for']||req.socket.remoteAddress||'').split(',')[0].trim(); const ip=String(req.headers['x-forwarded-for']||req.socket.remoteAddress||'').split(',')[0].trim();
if(trLimited(ip))return json(res,429,{error:'Too many translation requests — give it a minute.'}); // direct container-internal calls (no proxy header) skip the limiter — used by the cache warmer
const internal=!req.headers['x-forwarded-for']&&/^(127\.|10\.|172\.(1[6-9]|2\d|3[01])\.|192\.168\.|::1|::ffff:(127\.|10\.|172\.|192\.168\.))/.test(String(req.socket.remoteAddress||''));
if(!internal&&trLimited(ip))return json(res,429,{error:'Too many translation requests — give it a minute.'});
const b=await bodyJson(req).catch(()=>null); const b=await bodyJson(req).catch(()=>null);
const tl=b?String(b.tl||''):''; const tl=b?String(b.tl||''):'';
const texts=b&&Array.isArray(b.texts)?b.texts.slice(0,25).map(t=>String(t).slice(0,300)):null; const texts=b&&Array.isArray(b.texts)?b.texts.slice(0,25).map(t=>String(t).slice(0,300)):null;