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// Copyright 2017 Eric Zhou. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package base64Captcha
//DriverAudio captcha config for captcha-engine-audio.
type DriverAudio struct {
// Length Default number of digits in captcha solution.
Length int
// Language possible values for lang are "en", "ja", "ru", "zh".
Language string
}
//DefaultDriverAudio is a default audio driver
var DefaultDriverAudio = NewDriverAudio(6, "en")
//NewDriverAudio creates a driver of audio
func NewDriverAudio(length int, language string) *DriverAudio {
return &DriverAudio{Length: length, Language: language}
}
//DrawCaptcha creates audio captcha item
func (d *DriverAudio) DrawCaptcha(content string) (item Item, err error) {
digits := stringToFakeByte(content)
audio := newAudio("", digits, d.Language)
return audio, nil
}
//GenerateIdQuestionAnswer creates id,captcha content and answer
func (d *DriverAudio) GenerateIdQuestionAnswer() (id, q, a string) {
id = RandomId()
digits := randomDigits(d.Length)
a = parseDigitsToString(digits)
return id, a, a
}