Blame Raw
· · · 88 lines (2.8 KB)
0 contributors
1import fetch from 'node-fetch';
2import { Router } from 'express';
3
4import { readSecret, SECRET_KEYS } from './secrets.js';
5
6export const router = Router();
7
8router.post('/list', async (req, res) => {
9 try {
10 const key = readSecret(req.user.directories, SECRET_KEYS.AZURE_TTS);
11
12 if (!key) {
13 console.warn('Azure TTS API Key not set');
14 return res.sendStatus(403);
15 }
16
17 const region = req.body.region;
18
19 if (!region) {
20 console.warn('Azure TTS region not set');
21 return res.sendStatus(400);
22 }
23
24 const url = `https://${region}.tts.speech.microsoft.com/cognitiveservices/voices/list`;
25
26 const response = await fetch(url, {
27 method: 'GET',
28 headers: {
29 'Ocp-Apim-Subscription-Key': key,
30 },
31 });
32
33 if (!response.ok) {
34 console.warn('Azure Request failed', response.status, response.statusText);
35 return res.sendStatus(500);
36 }
37
38 const voices = await response.json();
39 return res.json(voices);
40 } catch (error) {
41 console.error('Azure Request failed', error);
42 return res.sendStatus(500);
43 }
44});
45
46router.post('/generate', async (req, res) => {
47 try {
48 const key = readSecret(req.user.directories, SECRET_KEYS.AZURE_TTS);
49
50 if (!key) {
51 console.warn('Azure TTS API Key not set');
52 return res.sendStatus(403);
53 }
54
55 const { text, voice, region } = req.body;
56 if (!text || !voice || !region) {
57 console.warn('Missing required parameters');
58 return res.sendStatus(400);
59 }
60
61 const url = `https://${region}.tts.speech.microsoft.com/cognitiveservices/v1`;
62 const lang = String(voice).split('-').slice(0, 2).join('-');
63 const escapedText = String(text).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
64 const ssml = `<speak version='1.0' xmlns='http://www.w3.org/2001/10/synthesis' xml:lang='${lang}'><voice xml:lang='${lang}' name='${voice}'>${escapedText}</voice></speak>`;
65
66 const response = await fetch(url, {
67 method: 'POST',
68 headers: {
69 'Ocp-Apim-Subscription-Key': key,
70 'Content-Type': 'application/ssml+xml',
71 'X-Microsoft-OutputFormat': 'webm-24khz-16bit-mono-opus',
72 },
73 body: ssml,
74 });
75
76 if (!response.ok) {
77 console.warn('Azure Request failed', response.status, response.statusText);
78 return res.sendStatus(500);
79 }
80
81 const audio = Buffer.from(await response.arrayBuffer());
82 res.set('Content-Type', 'audio/ogg');
83 return res.send(audio);
84 } catch (error) {
85 console.error('Azure Request failed', error);
86 return res.sendStatus(500);
87 }
88});