2021-10-25 19:42:12 +08:00
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// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
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package waf
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import (
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"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
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"net/http"
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)
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type PageAction struct {
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BaseAction
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2024-01-20 16:18:07 +08:00
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UseDefault bool `yaml:"useDefault" json:"useDefault"`
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Status int `yaml:"status" json:"status"`
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Body string `yaml:"body" json:"body"`
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2021-10-25 19:42:12 +08:00
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}
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func (this *PageAction) Init(waf *WAF) error {
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2024-01-20 16:18:07 +08:00
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if waf.DefaultPageAction != nil {
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if this.Status <= 0 || this.UseDefault {
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this.Status = waf.DefaultPageAction.Status
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}
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if len(this.Body) == 0 || this.UseDefault {
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this.Body = waf.DefaultPageAction.Body
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}
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}
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2023-05-28 17:11:33 +08:00
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if this.Status <= 0 {
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this.Status = http.StatusForbidden
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}
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2021-10-25 19:42:12 +08:00
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return nil
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}
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func (this *PageAction) Code() string {
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return ActionPage
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}
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func (this *PageAction) IsAttack() bool {
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return false
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}
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// WillChange determine if the action will change the request
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func (this *PageAction) WillChange() bool {
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return true
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}
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// Perform the action
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2022-08-25 16:44:44 +08:00
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func (this *PageAction) Perform(waf *WAF, group *RuleGroup, set *RuleSet, request requests.Request, writer http.ResponseWriter) (continueRequest bool, goNextSet bool) {
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2023-12-09 17:00:21 +08:00
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if writer == nil {
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return
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}
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2023-06-11 10:46:20 +08:00
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request.ProcessResponseHeaders(writer.Header(), this.Status)
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2021-10-25 19:42:12 +08:00
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writer.Header().Set("Content-Type", "text/html; charset=utf-8")
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writer.WriteHeader(this.Status)
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2023-12-09 15:55:40 +08:00
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var body = this.Body
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if len(body) == 0 {
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body = `<!DOCTYPE html>
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<html lang="en">
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2024-01-20 10:14:15 +08:00
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<head>
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<title>403 Forbidden</title>
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2023-12-09 15:55:40 +08:00
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<style>
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address { line-height: 1.8; }
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</style>
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2024-01-20 10:14:15 +08:00
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</head>
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2023-12-09 15:55:40 +08:00
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<body>
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<h1>403 Forbidden By WAF</h1>
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<address>Connection: ${remoteAddr} (Client) -> ${serverAddr} (Server)</address>
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<address>Request ID: ${requestId}</address>
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</body>
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</html>`
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}
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_, _ = writer.Write([]byte(request.Format(body)))
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2021-10-25 19:42:12 +08:00
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2022-08-25 16:44:44 +08:00
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return false, false
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2021-10-25 19:42:12 +08:00
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}
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