134 lines
3.1 KiB
Go
134 lines
3.1 KiB
Go
package helper
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import (
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"bytes"
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"encoding/base64"
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"time"
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"github.com/dchest/captcha"
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"github.com/yaoapp/gou/process"
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"github.com/yaoapp/kun/any"
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"github.com/yaoapp/kun/exception"
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"github.com/yaoapp/kun/log"
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"github.com/yaoapp/kun/maps"
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)
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var store = captcha.NewMemoryStore(1024, 10*time.Minute)
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func init() {
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captcha.SetCustomStore(store)
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}
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// CaptchaOption 验证码配置
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type CaptchaOption struct {
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Type string
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Height int
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Width int
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Length int
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Lang string
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Background string
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}
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// NewCaptchaOption 创建验证码配置
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func NewCaptchaOption() CaptchaOption {
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return CaptchaOption{
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Width: 240,
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Height: 80,
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Length: 6,
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Lang: "zh",
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Background: "#FFFFFF",
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}
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}
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// CaptchaMake 制作验证码
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func CaptchaMake(option CaptchaOption) (string, string) {
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if option.Width == 0 {
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option.Width = 240
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}
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if option.Height == 0 {
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option.Width = 80
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}
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if option.Length == 0 {
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option.Length = 6
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}
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if option.Lang == "" {
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option.Lang = "zh"
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}
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id := captcha.NewLen(option.Length)
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var data []byte
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var buff = bytes.NewBuffer(data)
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switch option.Type {
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case "audio":
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err := captcha.WriteAudio(buff, id, option.Lang)
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if err != nil {
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exception.New("make audio captcha error: %s", 500, err).Throw()
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}
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content := "data:audio/mp3;base64," + base64.StdEncoding.EncodeToString(buff.Bytes())
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log.Debug("ID:%s Audio Captcha:%s", id, toString(store.Get(id, false)))
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return id, content
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default:
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err := captcha.WriteImage(buff, id, option.Width, option.Height)
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if err != nil {
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exception.New("make image captcha error: %s", 500, err).Throw()
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}
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content := "data:image/png;base64," + base64.StdEncoding.EncodeToString(buff.Bytes())
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log.Debug("ID:%s Image Captcha:%s", id, toString(store.Get(id, false)))
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return id, content
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}
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}
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// CaptchaValidate 校验验证码
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func CaptchaValidate(id string, code string) bool {
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return captcha.VerifyString(id, code)
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}
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// ProcessCaptchaValidate xiang.helper.CaptchaValidate 校验图形/音频验证码
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func ProcessCaptchaValidate(process *process.Process) interface{} {
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process.ValidateArgNums(2)
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id := process.ArgsString(0)
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code := process.ArgsString(1)
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if code == "" {
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exception.New("请输入验证码", 400).Throw()
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return false
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}
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if !CaptchaValidate(id, code) {
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exception.New("验证码不正确", 400).Throw()
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return false
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}
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return true
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}
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// ProcessCaptcha xiang.helper.Captcha 校验图形/音频验证码
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func ProcessCaptcha(process *process.Process) interface{} {
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process.ValidateArgNums(1)
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option := CaptchaOption{
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Width: any.Of(process.ArgsURLValue(0, "width", "240")).CInt(),
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Height: any.Of(process.ArgsURLValue(0, "height", "80")).CInt(),
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Length: any.Of(process.ArgsURLValue(0, "length", "6")).CInt(),
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Type: process.ArgsURLValue(0, "type", "math"),
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Background: process.ArgsURLValue(0, "background", "#FFFFFF"),
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Lang: process.ArgsURLValue(0, "lang", "zh"),
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}
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id, content := CaptchaMake(option)
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return maps.Map{
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"id": id,
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"content": content,
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}
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}
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func toString(digits []byte) string {
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var buf bytes.Buffer
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for _, d := range digits {
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buf.WriteByte(d + '0')
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}
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return buf.String()
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}
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