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