mirror of
https://github.com/TeaOSLab/EdgeNode.git
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93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
package waf
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import (
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"github.com/TeaOSLab/EdgeNode/internal/remotelogs"
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"github.com/TeaOSLab/EdgeNode/internal/utils"
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"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
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"github.com/iwind/TeaGo/maps"
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"github.com/iwind/TeaGo/types"
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"net/http"
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"time"
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)
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type Post307Action struct {
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Life int32 `yaml:"life" json:"life"`
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Scope string `yaml:"scope" json:"scope"`
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BaseAction
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}
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func (this *Post307Action) Init(waf *WAF) error {
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return nil
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}
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func (this *Post307Action) Code() string {
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return ActionPost307
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}
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func (this *Post307Action) IsAttack() bool {
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return false
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}
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func (this *Post307Action) WillChange() bool {
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return true
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}
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func (this *Post307Action) Perform(waf *WAF, group *RuleGroup, set *RuleSet, request requests.Request, writer http.ResponseWriter) (allow bool) {
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var cookieName = "WAF_VALIDATOR_ID"
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// 仅限于POST
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if request.WAFRaw().Method != http.MethodPost {
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return true
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}
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// 是否已经在白名单中
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if SharedIPWhiteList.Contains("set:"+types.String(set.Id), this.Scope, request.WAFServerId(), request.WAFRemoteIP()) {
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return true
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}
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// 判断是否有Cookie
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cookie, err := request.WAFRaw().Cookie(cookieName)
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if err == nil && cookie != nil {
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m, err := utils.SimpleDecryptMap(cookie.Value)
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if err == nil && m.GetString("remoteIP") == request.WAFRemoteIP() && time.Now().Unix() < m.GetInt64("timestamp")+10 {
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var life = m.GetInt64("life")
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if life <= 0 {
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life = 600 // 默认10分钟
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}
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var setId = m.GetString("setId")
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SharedIPWhiteList.Add("set:"+setId, this.Scope, request.WAFServerId(), request.WAFRemoteIP(), time.Now().Unix()+life)
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return true
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}
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}
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var m = maps.Map{
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"timestamp": time.Now().Unix(),
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"life": this.Life,
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"scope": this.Scope,
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"setId": set.Id,
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"remoteIP": request.WAFRemoteIP(),
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}
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info, err := utils.SimpleEncryptMap(m)
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if err != nil {
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remotelogs.Error("WAF_POST_302_ACTION", "encode info failed: "+err.Error())
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return true
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}
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// 设置Cookie
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http.SetCookie(writer, &http.Cookie{
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Name: cookieName,
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Path: "/",
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MaxAge: 10,
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Value: info,
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})
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http.Redirect(writer, request.WAFRaw(), request.WAFRaw().URL.String(), http.StatusTemporaryRedirect)
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if request.WAFRaw().ProtoMajor == 1 {
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_ = this.CloseConn(writer)
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}
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return true
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}
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