mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-02 23:40:24 +08:00
68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
package captcha
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import (
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"mayfly-go/pkg/rediscli"
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"time"
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"github.com/mojocn/base64Captcha"
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)
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var store base64Captcha.Store
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var driver base64Captcha.Driver = base64Captcha.DefaultDriverDigit
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// 生成验证码
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func Generate() (string, string, error) {
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if store == nil {
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if rediscli.GetCli() != nil {
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store = new(RedisStore)
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} else {
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store = base64Captcha.DefaultMemStore
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}
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}
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c := base64Captcha.NewCaptcha(driver, store)
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// 获取
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id, b64s, _, err := c.Generate()
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return id, b64s, err
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}
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// 验证验证码
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func Verify(id string, val string) bool {
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if store == nil || id == "" || val == "" {
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return false
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}
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// 同时清理掉这个图片
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return store.Verify(id, val, true)
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}
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type RedisStore struct {
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}
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const CAPTCHA = "mayfly:captcha:"
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// 实现设置captcha的方法
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func (r RedisStore) Set(id string, value string) error {
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//time.Minute*2：有效时间2分钟
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rediscli.Set(CAPTCHA+id, value, time.Minute*2)
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return nil
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}
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// 实现获取captcha的方法
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func (r RedisStore) Get(id string, clear bool) string {
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key := CAPTCHA + id
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val, err := rediscli.Get(key)
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if err != nil {
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return ""
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}
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if clear {
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//clear为true，验证通过，删除这个验证码
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rediscli.Del(key)
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}
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return val
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}
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// 实现验证captcha的方法
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func (r RedisStore) Verify(id, answer string, clear bool) bool {
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return r.Get(id, clear) == answer
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}
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