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b772085ef2
* 信息加密使用struct代替map，以缩短加密后内容长度 * 拦截动作、人机识别动作增加是否尝试全局封禁选项 * JSCookie识别动作增加默认设置选项 * 人机识别中传入info参数异常时，尝试跳转到来源地址，避免直接提示invalid request
87 lines
2.0 KiB
Go
87 lines
2.0 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/types"
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"net/http"
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"net/url"
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"time"
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)
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const (
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Get302Path = "/WAF/VERIFY/GET"
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)
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// Get302Action
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// 原理： origin url --> 302 verify url --> origin url
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// TODO 将来支持meta refresh验证
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type Get302Action struct {
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BaseAction
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Life int32 `yaml:"life" json:"life"`
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Scope string `yaml:"scope" json:"scope"`
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}
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func (this *Get302Action) Init(waf *WAF) error {
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return nil
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}
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func (this *Get302Action) Code() string {
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return ActionGet302
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}
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func (this *Get302Action) IsAttack() bool {
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return false
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}
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func (this *Get302Action) WillChange() bool {
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return true
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}
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func (this *Get302Action) Perform(waf *WAF, group *RuleGroup, set *RuleSet, request requests.Request, writer http.ResponseWriter) PerformResult {
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// 仅限于Get
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if request.WAFRaw().Method != http.MethodGet {
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return PerformResult{
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ContinueRequest: true,
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}
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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 PerformResult{
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ContinueRequest: true,
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}
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}
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var m = InfoArg{
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URL: request.WAFRaw().URL.String(),
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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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PolicyId: waf.Id,
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GroupId: group.Id,
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SetId: set.Id,
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UseLocalFirewall: false,
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}
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info, err := utils.SimpleEncryptObject(m)
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if err != nil {
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remotelogs.Error("WAF_GET_302_ACTION", "encode info failed: "+err.Error())
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return PerformResult{
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ContinueRequest: true,
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}
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}
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request.DisableStat()
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request.ProcessResponseHeaders(writer.Header(), http.StatusFound)
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http.Redirect(writer, request.WAFRaw(), Get302Path+"?info="+url.QueryEscape(info), http.StatusFound)
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flusher, ok := writer.(http.Flusher)
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if ok {
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flusher.Flush()
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}
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return PerformResult{}
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}
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