util

func GetEnv ¶

func GetEnv(key string, fallback string) string

GetEnv returns the environment variables specified key in this machine

func GetURL ¶

func GetURL(url string) (io.Reader, error)

GetURL returns response body of url

func IsValidDir ¶

func IsValidDir(path string) bool

IsValidDir indicates existence of directory path in this machine

func IsValidURL ¶

func IsValidURL(content string) bool

IsValidURL indicate validate raw url

func ProcessQrCodeTags ¶

func ProcessQrCodeTags(content string, data template.Context) string