captcha

package

v0.0.0-...-2083224 Latest Latest Go to latest Published: Jun 8, 2021 License: Apache-2.0 Imports: 8 Imported by: 0

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
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Tagged version

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Stable version

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Repository

github.com/Eric-GreenComb/contrib

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func New() string
func NewLen(length int) string
func NewLenChars(length int, chars []byte) string
type Image
- func Fetch() (*Image, string)
- func NewImage(digits []byte, width, height int) *Image
- func (img *Image) WriteTo(w io.Writer) (int64, error)

Constants ¶

View Source

const (
	// StdLen Standard length of uniuri string to achive ~95 bits of entropy.
	StdLen = 16
	// UUIDLen Length of uniurl string to achive ~119 bits of entropy, closest
	// to what can be losslessly converted to UUIDv4 (122 bits).
	UUIDLen = 20
)

Variables ¶

View Source

var StdChars = []byte("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")

StdChars Standard characters allowed in uniuri string.

Functions ¶

func New ¶

func New() string

New returns a new random string of the standard length, consisting of standard characters.

func NewLen ¶

func NewLen(length int) string

NewLen returns a new random string of the provided length, consisting of standard characters.

func NewLenChars ¶

func NewLenChars(length int, chars []byte) string

NewLenChars returns a new random string of the provided length, consisting of the provided byte slice of allowed characters (maximum 256).

Types ¶

type Image ¶

type Image struct {
	*image.NRGBA
	// contains filtered or unexported fields
}

Image image struct

func Fetch ¶

func Fetch() (*Image, string)

Fetch gen a captcha image

func NewImage ¶

func NewImage(digits []byte, width, height int) *Image

NewImage create a new image

func (*Image) WriteTo ¶

func (img *Image) WriteTo(w io.Writer) (int64, error)

WriteTo write into image

Source Files ¶

View all Source files

Captcha.go

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