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package system
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import (
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"time"
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"github.com/gin-gonic/gin"
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"github.com/mojocn/base64Captcha"
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"go.uber.org/zap"
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"miniapp/global"
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"miniapp/model/common/response"
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systemRes "miniapp/model/system/response"
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)
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// 当开启多服务器部署时，替换下面的配置，使用redis共享存储验证码
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// var store = captcha.NewDefaultRedisStore()
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var store = base64Captcha.DefaultMemStore
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type BaseApi struct{}
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// Captcha
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// @Tags Base
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// @Summary 生成验证码
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// @Security ApiKeyAuth
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// @accept application/json
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// @Produce application/json
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// @Success 200 {object} response.Response{data=systemRes.SysCaptchaResponse,msg=string} "生成验证码,返回包括随机数id,base64,验证码长度,是否开启验证码"
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// @Router /base/captcha [post]
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func (b *BaseApi) Captcha(c *gin.Context) {
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// 判断验证码是否开启
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openCaptcha := global.GVA_CONFIG.Captcha.OpenCaptcha // 是否开启防爆次数
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openCaptchaTimeOut := global.GVA_CONFIG.Captcha.OpenCaptchaTimeOut // 缓存超时时间
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key := c.ClientIP()
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v, ok := global.BlackCache.Get(key)
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if !ok {
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global.BlackCache.Set(key, 1, time.Second*time.Duration(openCaptchaTimeOut))
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}
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var oc bool
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if openCaptcha == 0 || openCaptcha < interfaceToInt(v) {
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oc = true
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}
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// 字符,公式,验证码配置
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// 生成默认数字的driver
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driver := base64Captcha.NewDriverDigit(global.GVA_CONFIG.Captcha.ImgHeight, global.GVA_CONFIG.Captcha.ImgWidth, global.GVA_CONFIG.Captcha.KeyLong, 0.7, 80)
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// cp := base64Captcha.NewCaptcha(driver, store.UseWithCtx(c)) // v8下使用redis
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cp := base64Captcha.NewCaptcha(driver, store)
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id, b64s, err := cp.Generate()
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if err != nil {
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global.GVA_LOG.Error("验证码获取失败!", zap.Error(err))
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response.FailWithMessage("验证码获取失败", c)
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return
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}
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response.OkWithDetailed(systemRes.SysCaptchaResponse{
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CaptchaId: id,
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PicPath: b64s,
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CaptchaLength: global.GVA_CONFIG.Captcha.KeyLong,
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OpenCaptcha: oc,
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}, "验证码获取成功", c)
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}
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// 类型转换
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func interfaceToInt(v interface{}) (i int) {
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switch v := v.(type) {
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case int:
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i = v
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default:
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i = 0
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}
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return
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}
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