mirror of
https://github.com/shadow1ng/fscan.git
synced 2026-09-22 03:10:42 +08:00
428 lines
11 KiB
Go
428 lines
11 KiB
Go
package lib
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"time"
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"github.com/shadow1ng/fscan/common"
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"github.com/shadow1ng/fscan/common/output"
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)
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// =============================================================================
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// 重构后函数的单元测试
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// =============================================================================
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// TestGetRuleHash 测试规则哈希计算
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func TestGetRuleHash(t *testing.T) {
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tests := []struct {
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name string
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rule1 *Rules
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rule2 *Rules
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wantSame bool
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wantEmpty bool
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}{
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{
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name: "相同规则产生相同哈希",
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rule1: &Rules{
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Method: "GET",
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Path: "/api/test",
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Headers: map[string]string{"User-Agent": "test"},
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Body: "",
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},
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rule2: &Rules{
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Method: "GET",
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Path: "/api/test",
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Headers: map[string]string{"User-Agent": "test"},
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Body: "",
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},
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wantSame: true,
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},
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{
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name: "不同Method产生不同哈希",
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rule1: &Rules{
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Method: "GET",
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Path: "/api/test",
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Headers: map[string]string{},
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Body: "",
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},
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rule2: &Rules{
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Method: "POST",
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Path: "/api/test",
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Headers: map[string]string{},
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Body: "",
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},
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wantSame: false,
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},
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{
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name: "不同Path产生不同哈希",
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rule1: &Rules{
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Method: "GET",
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Path: "/api/test1",
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Headers: map[string]string{},
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Body: "",
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},
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rule2: &Rules{
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Method: "GET",
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Path: "/api/test2",
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Headers: map[string]string{},
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Body: "",
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},
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wantSame: false,
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},
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{
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name: "空规则产生非空哈希",
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rule1: &Rules{
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Method: "",
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Path: "",
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Headers: map[string]string{},
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Body: "",
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},
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rule2: nil,
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wantSame: false,
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wantEmpty: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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hash1 := getRuleHash(tt.rule1)
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// 验证哈希非空（MD5应该是32个十六进制字符）
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if !tt.wantEmpty && len(hash1) != 32 {
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t.Errorf("getRuleHash() 返回的哈希长度不正确，期望32，实际%d", len(hash1))
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}
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// 验证哈希是否相同
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if tt.rule2 != nil {
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hash2 := getRuleHash(tt.rule2)
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areSame := hash1 == hash2
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if areSame != tt.wantSame {
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t.Errorf("getRuleHash() 哈希相同性不符合预期\n规则1哈希: %s\n规则2哈希: %s\n期望相同: %v\n实际相同: %v",
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hash1, hash2, tt.wantSame, areSame)
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}
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}
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})
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}
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}
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func TestCheckMultiPocSavesSimpleRulesPoc(t *testing.T) {
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paths := make(chan string, 1)
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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select {
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case paths <- r.URL.Path:
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default:
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}
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_, _ = w.Write([]byte("kei-poc-hit"))
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}))
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defer server.Close()
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cfg := common.NewConfig()
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cfg.Output.Silent = true
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cfg.Network.WebTimeout = 5 * time.Second
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cfg.Network.MaxRedirects = 3
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cfg.POC.Num = 1
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if err := Inithttp(cfg); err != nil {
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t.Fatalf("Inithttp: %v", err)
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}
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var results []*output.ScanResult
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session := common.NewScanSession(cfg, common.NewState(), &common.FlagVars{})
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session.ResultSink = func(result *output.ScanResult) error {
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results = append(results, result)
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return nil
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}
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req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, server.URL, nil)
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if err != nil {
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t.Fatalf("NewRequest: %v", err)
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}
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poc := &Poc{
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Name: "poc-yaml-kei-repro",
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Rules: []Rules{{
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Method: http.MethodGet,
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Path: "/kei-poc",
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Expression: `response.status == 200 && response.body.bcontains(b"kei-poc-hit")`,
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}},
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}
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CheckMultiPoc(req, []*Poc{poc}, 1, &POCContext{Session: session})
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select {
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case got := <-paths:
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if got != "/kei-poc" {
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t.Fatalf("request path = %q, want /kei-poc", got)
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}
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default:
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t.Fatal("POC request was not sent")
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}
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if len(results) != 1 {
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t.Fatalf("saved results = %d, want 1", len(results))
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}
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if results[0].Type != output.TypeVuln || results[0].Target != server.URL {
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t.Fatalf("saved result = %#v", results[0])
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}
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if got := results[0].Details["vulnerability_name"]; got != "poc-yaml-kei-repro" {
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t.Fatalf("vulnerability_name = %v, want poc-yaml-kei-repro", got)
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}
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}
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// TestDoSearchSetCookieOptimization 测试 Set-Cookie 提取和清理
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func TestDoSearchSetCookieOptimization(t *testing.T) {
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responseHeaders := "HTTP/1.1 200 OK\r\n"
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cases := []struct {
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name string
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regex string
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body string
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wantContain string // 期望结果包含的内容
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wantNotContain string // 期望结果不包含的内容
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}{
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{
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name: "捕获组名为cookie时清理属性",
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regex: `Set-Cookie:(?P<cookie>.*)`,
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body: responseHeaders + "Set-Cookie: sessionid=abc123; Path=/; HttpOnly\r\n\r\n<html></html>",
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wantContain: "sessionid=abc123",
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wantNotContain: "Path",
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},
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{
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name: "捕获组名为sessid时也清理属性",
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regex: `Set-Cookie:(?P<sessid>.*)`,
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body: responseHeaders + "Set-Cookie: JSESSIONID=xyz789; Path=/app; Secure; HttpOnly\r\n\r\n{}",
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wantContain: "JSESSIONID=xyz789",
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wantNotContain: "Secure",
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},
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{
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name: "捕获组名为token时也清理属性",
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regex: `Set-Cookie:(?P<token>.*)`,
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body: responseHeaders + "Set-Cookie: csrf_token=tok123; Max-Age=3600; SameSite=Strict\r\n\r\nOK",
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wantContain: "csrf_token=tok123",
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wantNotContain: "Max-Age",
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},
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{
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name: "非Set-Cookie的正则不触发清理",
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regex: `X-Custom:(?P<value>.*)`,
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body: responseHeaders + "X-Custom: some-value; extra=stuff\r\n\r\ndone",
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wantContain: "some-value; extra=stuff",
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},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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result := doSearch(c.regex, c.body)
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if result == nil {
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t.Fatal("doSearch() returned nil")
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}
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for _, v := range result {
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if c.wantContain != "" && !strings.Contains(v, c.wantContain) {
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t.Errorf("result should contain %q, got %q", c.wantContain, v)
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}
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if c.wantNotContain != "" && strings.Contains(v, c.wantNotContain) {
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t.Errorf("result should NOT contain %q, got %q", c.wantNotContain, v)
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}
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}
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})
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}
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}
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// TestOptimizeCookies 测试 Cookie 清理函数
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func TestOptimizeCookies(t *testing.T) {
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cases := []struct {
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name string
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raw string
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want string
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}{
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{
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name: "标准Set-Cookie带多个属性",
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raw: "sessionid=abc123; Path=/; HttpOnly; Secure",
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want: "sessionid=abc123",
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},
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{
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name: "多个cookie键值对",
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raw: "token=xyz; user=admin; Path=/app; Expires=Wed, 21 Oct 2025 07:28:00 GMT",
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want: "token=xyz; user=admin",
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},
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{
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name: "无属性的干净cookie",
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raw: "sid=simple",
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want: "sid=simple",
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},
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{
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name: "分号后无空格",
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raw: "token=xyz;user=admin;Path=/app;HttpOnly",
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want: "token=xyz; user=admin",
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},
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{
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name: "键名周围空格",
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raw: " token =xyz; user =admin; Path =/",
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want: "token=xyz; user=admin",
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},
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{
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name: "空字符串",
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raw: "",
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want: "",
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},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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got := optimizeCookies(c.raw)
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if got != c.want {
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t.Errorf("optimizeCookies(%q) = %q, want %q", c.raw, got, c.want)
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}
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})
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}
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}
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// TestApplyParametersToRule 测试参数替换逻辑
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func TestApplyParametersToRule(t *testing.T) {
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tests := []struct {
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name string
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rule Rules
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sets ListMap
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payloads map[string]interface{}
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variableMap map[string]interface{}
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payloadExpr string
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wantReplacement bool
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wantPath string
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wantHeader string
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wantBody string
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}{
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{
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name: "替换Path中的参数",
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rule: Rules{
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Method: "GET",
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Path: "/api/{{key}}/test",
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Headers: map[string]string{},
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Body: "",
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},
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sets: ListMap{
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{Key: "key", Value: []string{"value1"}},
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},
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payloads: map[string]interface{}{
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"key": "myvalue",
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},
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variableMap: map[string]interface{}{},
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payloadExpr: "",
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wantReplacement: true,
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wantPath: "/api/myvalue/test",
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},
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{
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name: "替换Header中的参数",
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rule: Rules{
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Method: "GET",
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Path: "/test",
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Headers: map[string]string{"X-Custom": "{{token}}"},
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Body: "",
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},
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sets: ListMap{
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{Key: "token", Value: []string{"abc123"}},
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},
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payloads: map[string]interface{}{
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"token": "secret123",
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},
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variableMap: map[string]interface{}{},
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payloadExpr: "",
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wantReplacement: true,
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wantHeader: "secret123",
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},
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{
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name: "替换Body中的参数",
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rule: Rules{
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Method: "POST",
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Path: "/api/login",
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Headers: map[string]string{},
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Body: `{"username":"{{user}}","password":"{{pass}}"}`,
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},
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sets: ListMap{
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{Key: "user", Value: []string{"admin"}},
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{Key: "pass", Value: []string{"123456"}},
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},
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payloads: map[string]interface{}{
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"user": "testuser",
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"pass": "testpass",
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},
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variableMap: map[string]interface{}{},
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payloadExpr: "",
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wantReplacement: true,
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wantBody: `{"username":"testuser","password":"testpass"}`,
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},
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{
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name: "无匹配参数时不替换",
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rule: Rules{
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Method: "GET",
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Path: "/static/page",
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Headers: map[string]string{},
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Body: "",
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},
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sets: ListMap{
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{Key: "key", Value: []string{"value"}},
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},
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payloads: map[string]interface{}{
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"key": "test",
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},
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variableMap: map[string]interface{}{},
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payloadExpr: "",
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wantReplacement: false,
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wantPath: "/static/page",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// 克隆规则避免修改原始数据
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currentRule := Rules{
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Method: tt.rule.Method,
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Path: tt.rule.Path,
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Headers: make(map[string]string),
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Body: tt.rule.Body,
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}
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for k, v := range tt.rule.Headers {
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currentRule.Headers[k] = v
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}
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hasReplacement, replacedParams := applyParametersToRule(
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¤tRule,
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tt.sets,
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tt.payloads,
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tt.variableMap,
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tt.payloadExpr,
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)
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// 验证是否发生替换
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if hasReplacement != tt.wantReplacement {
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t.Errorf("applyParametersToRule() hasReplacement = %v, want %v", hasReplacement, tt.wantReplacement)
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}
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// 验证替换后的值
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if tt.wantPath != "" && currentRule.Path != tt.wantPath {
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t.Errorf("applyParametersToRule() Path = %q, want %q", currentRule.Path, tt.wantPath)
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}
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if tt.wantHeader != "" {
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found := false
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for _, v := range currentRule.Headers {
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if v == tt.wantHeader {
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found = true
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break
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}
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}
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if !found {
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t.Errorf("applyParametersToRule() Header 未找到期望值 %q", tt.wantHeader)
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}
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}
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if tt.wantBody != "" && currentRule.Body != tt.wantBody {
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t.Errorf("applyParametersToRule() Body = %q, want %q", currentRule.Body, tt.wantBody)
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}
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// 验证替换参数列表
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if hasReplacement && len(replacedParams) == 0 {
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t.Error("applyParametersToRule() 有替换但replacedParams为空")
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}
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})
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}
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}
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