50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
package utils
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import (
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"github.com/mojocn/base64Captcha"
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"time"
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)
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var capdString = base64Captcha.NewDriverString(50, 150, 0, 5, 4, "123456789abcdefghijklmnopqrstuvwxyz", nil, nil,
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[]string{"3Dumb.ttf", "ApothecaryFont.ttf", "Comismsh.ttf", "Flim-Flam.ttf", "RitaSmith.ttf", "wqy-microhei.ttc"})
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var capdMath = base64Captcha.NewDriverMath(50, 150, 3, 10, nil, nil, nil)
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type B64StringCaptchaProvider struct{}
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func (p B64StringCaptchaProvider) Generate() (string, string, string, error) {
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id, content, answer := capdString.GenerateIdQuestionAnswer()
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return id, content, answer, nil
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}
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func (p B64StringCaptchaProvider) Expiration() time.Duration {
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return 5 * time.Minute
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}
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func (p B64StringCaptchaProvider) Draw(content string) (string, error) {
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item, err := capdString.DrawCaptcha(content)
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if err != nil {
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return "", err
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}
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b64str := item.EncodeB64string()
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return b64str, nil
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}
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type B64MathCaptchaProvider struct{}
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func (p B64MathCaptchaProvider) Generate() (string, string, string, error) {
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id, content, answer := capdMath.GenerateIdQuestionAnswer()
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return id, content, answer, nil
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}
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func (p B64MathCaptchaProvider) Expiration() time.Duration {
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return 5 * time.Minute
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}
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func (p B64MathCaptchaProvider) Draw(content string) (string, error) {
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item, err := capdMath.DrawCaptcha(content)
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if err != nil {
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return "", err
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}
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b64str := item.EncodeB64string()
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return b64str, nil
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}
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