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CAPTCHA增加多个选项

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GoEdgeLab
2022-01-16 16:54:13 +08:00
parent 4d60622aa0
commit 694e7ddd7c
2 changed files with 28 additions and 9 deletions
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18
internal/waf/captcha_validator.go
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@@ -3,6 +3,8 @@ package waf
import (
"bytes"
"encoding/base64"
"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
"github.com/TeaOSLab/EdgeNode/internal/ttlcache"
"github.com/TeaOSLab/EdgeNode/internal/utils"
"github.com/TeaOSLab/EdgeNode/internal/utils/jsonutils"
"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
@@ -54,7 +56,7 @@ func (this *CaptchaValidator) Run(request requests.Request, writer http.Response
var originURL = m.GetString("url")
if request.WAFRaw().Method == http.MethodPost && len(request.WAFRaw().FormValue("GOEDGE_WAF_CAPTCHA_ID")) > 0 {
this.validate(actionConfig, m.GetInt64("policyId"), m.GetInt64("groupId"), setId, originURL, request, writer)
this.validate(actionConfig, m.GetInt("maxFails"), m.GetInt("failBlockTimeout"), m.GetInt64("policyId"), m.GetInt64("groupId"), setId, originURL, request, writer)
} else {
this.show(actionConfig, request, writer)
}
@@ -142,11 +144,14 @@ func (this *CaptchaValidator) show(actionConfig *CaptchaAction, request requests
</html>`))
}
func (this *CaptchaValidator) validate(actionConfig *CaptchaAction, policyId int64, groupId int64, setId int64, originURL string, request requests.Request, writer http.ResponseWriter) (allow bool) {
func (this *CaptchaValidator) validate(actionConfig *CaptchaAction, maxFails int, failBlockTimeout int, policyId int64, groupId int64, setId int64, originURL string, request requests.Request, writer http.ResponseWriter) (allow bool) {
captchaId := request.WAFRaw().FormValue("GOEDGE_WAF_CAPTCHA_ID")
if len(captchaId) > 0 {
captchaCode := request.WAFRaw().FormValue("GOEDGE_WAF_CAPTCHA_CODE")
if captcha.VerifyString(captchaId, captchaCode) {
// 删除计数
ttlcache.SharedCache.Delete("CAPTCHA:FAILS:" + request.WAFRemoteIP())
var life = CaptchaSeconds
if actionConfig.Life > 0 {
life = types.Int(actionConfig.Life)
@@ -159,6 +164,15 @@ func (this *CaptchaValidator) validate(actionConfig *CaptchaAction, policyId int
return false
} else {
// 增加计数
if maxFails > 0 && failBlockTimeout > 0 {
var countFails = ttlcache.SharedCache.IncreaseInt64("CAPTCHA:FAILS:"+request.WAFRemoteIP(), 1, time.Now().Unix()+300)
if int(countFails) >= maxFails {
SharedIPBlackList.RecordIP(IPTypeAll, firewallconfigs.FirewallScopeService, request.WAFServerId(), request.WAFRemoteIP(), time.Now().Unix()+int64(failBlockTimeout), policyId, false, groupId, setId, "CAPTCHA验证连续失败")
return false
}
}
http.Redirect(writer, request.WAFRaw(), request.WAFRaw().URL.String(), http.StatusSeeOther)
}
}