fix: validate languages (#3638)

2 years ago · 7251748d59
parent 73e9f35ab1
commit 7251748d59
1 changed files with 6 additions and 0 deletions
--- a/web/i18n/server.ts
+++ b/web/i18n/server.ts
@ -46,6 +46,12 @@ export const getLocaleOnServer = (): Locale => {
    languages = new Negotiator({ headers: negotiatorHeaders }).languages()
  }

+  // Validate languages
+  if (!Array.isArray(languages) || languages.length === 0 || !languages.every(lang => typeof lang === 'string' && /^[\w-]+$/.test(lang))) {
+    console.error(`Invalid languages: ${languages}`)
+    languages = [i18n.defaultLocale]
+  }
+
  // match locale
  const matchedLocale = match(languages, locales, i18n.defaultLocale) as Locale
  return matchedLocale