mirror of
https://github.com/tiger1103/gfast.git
synced 2026-10-02 13:35:05 +00:00
52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
package service
|
|
|
|
import (
|
|
"context"
|
|
"github.com/gogf/gf/v2/text/gstr"
|
|
"github.com/mojocn/base64Captcha"
|
|
)
|
|
|
|
type ICaptcha interface {
|
|
GetVerifyImgString(ctx context.Context) (idKeyC string, base64stringC string, err error)
|
|
VerifyString(id, answer string) bool
|
|
}
|
|
|
|
type captchaImpl struct {
|
|
driver *base64Captcha.DriverString
|
|
store base64Captcha.Store
|
|
}
|
|
|
|
var (
|
|
captcha = captchaImpl{
|
|
driver: &base64Captcha.DriverString{
|
|
Height: 80,
|
|
Width: 240,
|
|
NoiseCount: 50,
|
|
ShowLineOptions: 20,
|
|
Length: 4,
|
|
Source: "abcdefghjkmnpqrstuvwxyz23456789",
|
|
Fonts: []string{"chromohv.ttf"},
|
|
},
|
|
store: base64Captcha.DefaultMemStore,
|
|
}
|
|
)
|
|
|
|
func Captcha() ICaptcha {
|
|
return ICaptcha(&captcha)
|
|
}
|
|
|
|
// GetVerifyImgString 获取字母数字混合验证码
|
|
func (s *captchaImpl) GetVerifyImgString(ctx context.Context) (idKeyC string, base64stringC string, err error) {
|
|
driver := s.driver.ConvertFonts()
|
|
c := base64Captcha.NewCaptcha(driver, s.store)
|
|
idKeyC, base64stringC, err = c.Generate()
|
|
return
|
|
}
|
|
|
|
// VerifyString 验证输入的验证码是否正确
|
|
func (s *captchaImpl) VerifyString(id, answer string) bool {
|
|
c := base64Captcha.NewCaptcha(s.driver, s.store)
|
|
answer = gstr.ToLower(answer)
|
|
return c.Verify(id, answer, true)
|
|
}
|