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https://github.com/Ed1s0nZ/CyberStrikeAI.git
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公明
104 lines
3.1 KiB
Go
104 lines
3.1 KiB
Go
package handler
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import (
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"testing"
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"golang.org/x/text/encoding/simplifiedchinese"
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"golang.org/x/text/transform"
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)
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// mustEncode 使用指定编码对 UTF-8 字符串做编码，得到原始字节，用于构造测试输入
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func mustEncode(t *testing.T, s string, enc string) []byte {
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t.Helper()
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var tr transform.Transformer
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switch enc {
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case "gbk":
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tr = simplifiedchinese.GBK.NewEncoder()
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case "gb18030":
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tr = simplifiedchinese.GB18030.NewEncoder()
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default:
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t.Fatalf("unsupported test encoding: %s", enc)
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}
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out, _, err := transform.Bytes(tr, []byte(s))
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if err != nil {
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t.Fatalf("mustEncode(%s) failed: %v", enc, err)
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}
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return out
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}
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func TestNormalizeWebshellEncoding(t *testing.T) {
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cases := map[string]string{
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"": "auto",
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" ": "auto",
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"auto": "auto",
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"AUTO": "auto",
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"utf-8": "utf-8",
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"UTF-8": "utf-8",
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"utf8": "utf-8",
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"gbk": "gbk",
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"GBK": "gbk",
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"gb18030": "gb18030",
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"big5": "auto", // 未支持的回退到 auto
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"anything": "auto",
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}
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for in, want := range cases {
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if got := normalizeWebshellEncoding(in); got != want {
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t.Errorf("normalizeWebshellEncoding(%q) = %q, want %q", in, got, want)
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}
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}
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}
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func TestDecodeWebshellOutput_AutoDetectsGBK(t *testing.T) {
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// 模拟 Windows 中文 cmd 输出的 GBK 字节流
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want := "用户名 SID 类型"
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raw := mustEncode(t, want, "gbk")
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// auto 模式：UTF-8 校验失败后应当回退 GB18030 解码，得到原始中文
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got := decodeWebshellOutput(raw, "auto")
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if got != want {
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t.Errorf("decodeWebshellOutput(auto) = %q, want %q", got, want)
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}
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// 显式 GBK 模式：同样应当正确解码
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got = decodeWebshellOutput(raw, "gbk")
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if got != want {
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t.Errorf("decodeWebshellOutput(gbk) = %q, want %q", got, want)
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}
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// 显式 GB18030 模式：GBK 是 GB18030 子集，也应正确解码
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got = decodeWebshellOutput(raw, "gb18030")
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if got != want {
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t.Errorf("decodeWebshellOutput(gb18030) = %q, want %q", got, want)
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}
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}
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func TestDecodeWebshellOutput_PassthroughUTF8(t *testing.T) {
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// 已经是 UTF-8 的中文字符串，各模式都应返回原串（不破坏）
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want := "hello 世界"
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for _, enc := range []string{"", "auto", "utf-8"} {
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if got := decodeWebshellOutput([]byte(want), enc); got != want {
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t.Errorf("decodeWebshellOutput(%q) passthrough = %q, want %q", enc, got, want)
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}
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}
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}
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func TestDecodeWebshellOutput_ASCIIStable(t *testing.T) {
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// 纯 ASCII 在任何模式下都必须保持原样
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want := "whoami\nAdministrator\n"
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for _, enc := range []string{"", "auto", "utf-8", "gbk", "gb18030"} {
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if got := decodeWebshellOutput([]byte(want), enc); got != want {
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t.Errorf("decodeWebshellOutput(%q) ASCII = %q, want %q", enc, got, want)
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}
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}
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}
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func TestDecodeWebshellOutput_EmptyInput(t *testing.T) {
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// 空输入直接返回空串，不做额外分配
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if got := decodeWebshellOutput(nil, "gbk"); got != "" {
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t.Errorf("decodeWebshellOutput(nil) = %q, want empty", got)
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}
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if got := decodeWebshellOutput([]byte{}, "auto"); got != "" {
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t.Errorf("decodeWebshellOutput([]) = %q, want empty", got)
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}
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}
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