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fix: validate languages (#3638)
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@@ -46,6 +46,12 @@ export const getLocaleOnServer = (): Locale => {
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languages = new Negotiator({ headers: negotiatorHeaders }).languages()
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}
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// Validate languages
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if (!Array.isArray(languages) || languages.length === 0 || !languages.every(lang => typeof lang === 'string' && /^[\w-]+$/.test(lang))) {
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console.error(`Invalid languages: ${languages}`)
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languages = [i18n.defaultLocale]
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}
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// match locale
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const matchedLocale = match(languages, locales, i18n.defaultLocale) as Locale
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return matchedLocale
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