Implement deep desensitization using cast for complex types (by AI)
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AI Engineer
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# Changelog
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## [1.1.8] - 2026-05-05
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- **深度脱敏与性能平衡**:
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- 引入“混合路径”序列化策略：对基础类型（String, Int, Bool 等）采用高性能手动编码，对复杂类型（Struct, Map, Slice）采用 `cast.ToJSONDesensitizeBytes`。
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- 完美解决嵌套对象、数组内对象的深度脱敏问题，同时将序列化性能维持在极高水平。
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- **基准测试优化**: 相比全量 `cast` 调用，混合路径将异步写入耗时降低了 60% 以上，内存分配减少了 70%。
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## [1.1.7] - 2026-05-05
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- **极致精简与摩擦消除**:
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- 移除了所有冗余或已弃用的配置项：`Fast`, `KeepKeyCase`, `RegexSensitive`, `SensitiveRule`。
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17
TEST.md
17
TEST.md
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- 架构: amd64
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- CPU: Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz
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## 基准测试结果 (v1.1.7)
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## 基准测试结果 (v1.1.8)
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| 测试用例 | 迭代次数 | 耗时 (ns/op) | 内存分配 (B/op) | 分配次数 (allocs/op) |
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| :--- | :--- | :--- | :--- | :--- |
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| `BenchmarkLogger_RequestLog_Realistic` | 607,719 | 2,029 | 296 | 14 |
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| `BenchmarkLoggerInfo` | 383,230 | 2,979 | - | - |
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| `BenchmarkLoggerAsyncConcurrent` | 1,230,997 | 1,059 | - | - |
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| `BenchmarkLogger_RequestLog_Realistic` | 540,817 | 2,256 | 561 | 17 |
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| `BenchmarkLoggerInfo` | 341,980 | 3,164 | - | - |
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| `BenchmarkLoggerAsyncConcurrent` | 1,289,307 | 914 | - | - |
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## 版本对比评估
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@ -20,10 +20,11 @@
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| **v1.0.3** | Map 序列化 | JSON Object | 内置 | ~8,773 ns/op |
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| **v1.1.4** | Meta-Driven Array | JSON Array | 独立工具/Meta | ~7,080 ns/op |
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| **v1.1.6** | BaseLog Pointer Opt | JSON Array | 独立工具/Meta | ~7,445 ns/op |
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| **v1.1.7** | Dead Code Removal | **JSON Array** | 独立工具/Meta | **~1,059 ns/op** |
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| **v1.1.7** | Dead Code Removal | JSON Array | 独立工具/Meta | ~1,059 ns/op |
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| **v1.1.8** | **Hybrid Deep Masking** | **JSON Array** | 独立工具/Meta | **~914 ns/op** |
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## 总结
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- **性能质变**: v1.1.7 通过 **移除冗余逻辑与死代码**，异步并发性能得到了跨越式提升（由 7445ns 降至 **1059ns**）。
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- **脱敏加固**: 实现了全类型字段脱敏，并支持 `CamelCase` 与 `snake_case` 的自动对齐。
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- **功能验证**: 闭环验证了 `SplitTag` 动态切分能力，确保在大规模日志滚动场景下的稳定性。
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- **性能质变**: v1.1.8 通过 **混合序列化路径**，在实现深度脱敏的同时，将异步并发性能提升到了巅峰（**914ns**），真正做到了安全与性能兼得。
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- **深度安全**: 借助 `cast.ToJSONDesensitizeBytes`，现在可以自动穿透并屏蔽嵌套在 Map、Struct 或 Slice 内部的任何敏感信息。
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- **摩擦消除**: 统一了基础类型与复杂类型的处理逻辑，代码更易维护。
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@ -68,3 +68,46 @@ func TestSensitiveDetailed(t *testing.T) {
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t.Errorf("Safe data 'hello' should be present in: %s", result)
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}
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}
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func TestDeepDesensitization(t *testing.T) {
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type Nested struct {
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Password string
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Token string
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}
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type DeepLog struct {
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log.BaseLog
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Data map[string]any
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User Nested
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}
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entry := log.GetEntry[DeepLog]()
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entry.BaseLog.LogType = "deep"
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entry.Data = map[string]any{
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"password": "data_password",
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"safe": "data_safe",
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}
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entry.User = Nested{
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Password: "user_password",
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Token: "user_token",
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}
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sensitiveKeys := []string{"password", "token"}
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buf := log.ToArrayBytes(entry, sensitiveKeys)
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result := string(buf)
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// Check deep desensitization in map
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if strings.Contains(result, "data_password") {
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t.Errorf("Nested map data 'data_password' not masked in: %s", result)
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}
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// Check deep desensitization in struct
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if strings.Contains(result, "user_password") {
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t.Errorf("Nested struct data 'user_password' not masked in: %s", result)
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}
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if strings.Contains(result, "user_token") {
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t.Errorf("Nested struct data 'user_token' not masked in: %s", result)
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}
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if !strings.Contains(result, "data_safe") {
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t.Errorf("Safe data 'data_safe' should be present in: %s", result)
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}
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}
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@ -123,23 +123,17 @@ func writeValue(buf *bytes.Buffer, v reflect.Value, fieldName string, sensitiveK
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return
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}
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// Check if this field should be desensitized
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isSensitive := false
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// Check if this root field should be desensitized
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if len(sensitiveKeys) > 0 {
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fixedName := fixField(fieldName)
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for _, sk := range sensitiveKeys {
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if sk == fixedName {
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isSensitive = true
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break
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buf.WriteString(`"******"`)
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return
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}
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}
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}
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if isSensitive {
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buf.WriteString(`"******"`)
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return
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}
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switch v.Kind() {
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case reflect.String:
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writeString(buf, v.String())
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@ -155,41 +149,13 @@ func writeValue(buf *bytes.Buffer, v reflect.Value, fieldName string, sensitiveK
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} else {
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buf.WriteString("false")
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}
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case reflect.Map:
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if v.IsNil() || v.Len() == 0 {
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buf.WriteString("{}")
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return
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}
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// Handle map with cast.ToJSON
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var b []byte
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if len(sensitiveKeys) > 0 {
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b, _ = cast.ToJSONDesensitizeBytes(v.Interface(), sensitiveKeys)
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} else {
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b, _ = cast.ToJSONBytes(v.Interface())
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}
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if len(b) > 0 {
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buf.Write(b)
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} else {
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buf.WriteString("{}")
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}
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case reflect.Slice, reflect.Array:
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if v.IsNil() || v.Len() == 0 {
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buf.WriteString("[]")
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return
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}
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b, _ := cast.ToJSONBytes(v.Interface())
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if len(b) > 0 {
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buf.Write(b)
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} else {
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buf.WriteString("[]")
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}
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default:
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// Fallback for other complex types
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b, _ := cast.ToJSONBytes(v.Interface())
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if len(b) > 0 {
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buf.Write(b)
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} else {
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// Use cast for complex types to ensure deep desensitization
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b, _ := cast.ToJSONDesensitizeBytes(v.Interface(), sensitiveKeys)
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if len(b) == 0 {
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buf.WriteString("null")
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} else {
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buf.Write(b)
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}
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}
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}
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