// get language from context
func getContextLanguage(ctx *tango.Context) string {
// get from cookie
lang := ctx.Cookie(langCookieName)
// get from header
if lang == "" {
al := ctx.Req().Header.Get("Accept-Language")
if len(al) > 4 {
lang = al[:5] // Only compare first 5 letters.
}
}
// get from query param
if lang == "" {
lang = ctx.Param(langParamName)
}
// get default if not find in context
lang = strings.ToLower(lang)
if !i18n.IsExist(lang) {
lang = i18n.GetLangByIndex(0)
}
return lang
}
// get auth token via http header, cookie or form value
func (ar *AuthRouter) GetAuthToken(ctx *tango.Context) string {
var token string
if token = ctx.Header().Get("X-Token"); token != "" {
return token
}
if token = ctx.Cookie("x-token"); token != "" {
return token
}
return ctx.Form("x-token")
}