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fix(voice): harden recording and backend behavior

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Redirects could bypass the backend URL guard, and TTS playback waited for full buffering.

Recording could overlap or finish after teardown. Controls also ignored backend readiness.

Explicit formats and config-aware cache keys prevent stale audio after settings change.
This commit is contained in:
Haileyesus
2026-06-25 16:35:30 +03:00
parent b0a49120cc
commit af16d8ebdc
5 changed files with 108 additions and 22 deletions
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9
server/voice-proxy.js
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@@ -8,6 +8,8 @@
//
// Config is resolved per-request from headers (set by the client's voice settings),
// falling back to server env defaults. Mounted at /api/voice behind authenticateToken.
import { Readable } from 'node:stream';
import express from 'express';
const ENV = {
@@ -32,7 +34,7 @@ function resolveConfig(req) {
sttModel: String(h['x-voice-stt-model'] || '') || ENV.sttModel,
ttsModel: String(h['x-voice-tts-model'] || '') || ENV.ttsModel,
ttsVoice: String(h['x-voice-tts-voice'] || '') || ENV.ttsVoice,
ttsFormat: String(h['x-voice-tts-format'] || ''),
ttsFormat: String(h['x-voice-tts-format'] || '').trim(),
};
}
@@ -57,7 +59,7 @@ async function fetchWithTimeout(url, options = {}) {
const controller = new AbortController();
const timer = setTimeout(() => controller.abort(), VOICE_TIMEOUT_MS);
try {
return await fetch(url, { ...options, signal: controller.signal });
return await fetch(url, { redirect: 'manual', ...options, signal: controller.signal });
} finally {
clearTimeout(timer);
}
@@ -206,7 +208,8 @@ router.post('/tts', async (req, res) => {
}
res.setHeader('Content-Type', r.headers.get('content-type') || 'audio/mpeg');
res.setHeader('Cache-Control', 'no-store');
res.send(Buffer.from(await r.arrayBuffer()));
if (!r.body) return res.end();
Readable.fromWeb(r.body).on('error', (error) => res.destroy(error)).pipe(res);
} catch (e) {
backendError(res, e);
}