fix: Escape non-ascii characters as xml entities for Microsoft TTS

Author: jishi

lib/tts-providers/microsoft.js

@@ -5,6 +5,9 @@ const request = require('sonos-discovery/lib/helpers/request');
 const logger = require('sonos-discovery/lib/helpers/logger');
 const path = require('path');
 const globalSettings = require('../../settings');
+const XmlEntities = require('html-entities').XmlEntities;
+
+const xmlEntities = new XmlEntities();
 
 const APP_ID = '9aa44d9e6ec14da99231a9166fd50b0f';
 const INSTANCE_ID = crypto.randomBytes(16).toString('hex');
@@ -34,7 +37,8 @@ function generateBearerToken(apiKey) {
 }
 
 function format(lang, gender, name, text) {
-  return `<speak version='1.0' xml:lang='en-us'><voice xml:lang='${lang}' xml:gender='${gender}' name='${name}'>${text}</voice></speak>`;
+  const escapedText = xmlEntities.encodeNonUTF(text);
+  return `<speak version='1.0' xml:lang='${lang}'><voice xml:lang='${lang}' xml:gender='${gender}' name='${name}'>${escapedText}</voice></speak>`;
 }
 
 function microsoft(phrase, voiceName) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sonos-http-api",
-  "version": "1.4.2",
+  "version": "1.4.3",
   "description": "A simple node app for controlling a Sonos system with basic HTTP requests",
   "scripts": {
     "start": "node server.js"
@@ -15,6 +15,7 @@
     "aws-sdk": "^2.12.0",
     "basic-auth": "~1.1.0",
     "fuse.js": "^2.5.0",
+    "html-entities": "^1.2.1",
     "json5": "^0.5.1",
     "node-static": "~0.7.0",
     "request-promise": "~1.0.2",