utils

func ImageCheckFilename ¶

func ImageCheckFilename(filename string) bool

func ImageCompare ¶

func ImageCompare(a image.Image, b image.Image) (float32, error)

func ImageDelete ¶

func ImageDelete(filename string, keepThumb bool)

if failed, only log the error

func ImageGetFullPath ¶

func ImageGetFullPath(filename string, thumb bool) string

need check filename if the filename comes from user

func ImageRandomFilename ¶

func ImageRandomFilename() string

func ImageSave ¶

func ImageSave(image image.Image) (string, error)

func Init ¶

func Init() error

func RandStringBytes ¶

func RandStringBytes(n int) string

func SendEmail ¶

func SendEmail(e, s string, b *string)

SendEmail takes an email address, a subject and a pointer of the body message

func SendVerificationEmail ¶

func SendVerificationEmail(e, vc string)

SendVerificationEmail sends verification email to new user, it takes an email address and the verification code

func TokenGenerate ¶

func TokenGenerate(id string) string

TokenGenerate output the JWT token and it takes a user id and returns a string representing the token

func TokenValidate ¶

func TokenValidate(t string) (string, error)

TokenValidate validates the token. It takes a token and returns a string representing the user Id and an error if it occurs. Possible errors are: ErrorParseClaim, ErrorParseToken, ErrorTokenExpired, ErrorTokenMalformed