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构建并部署到测试环境（无 SSH） / build-and-deploy (push) Successful in 10m19s
77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
// Package sanitizer 提供 Access、Audit 与 Integration 共用的敏感字段清理能力。
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package sanitizer
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import (
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"strings"
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"github.com/bytedance/sonic"
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)
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var forbiddenFragments = []string{
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"password", "passwd", "credential", "operation_password", "verification_code", "captcha",
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"access_token", "refresh_token", "authorization", "cookie", "secret", "private_key", "public_key",
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"encoding_aes_key", "callback_token", "signature", "sign", "nonce", "media_id", "signed_url",
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"private_url", "qr_content", "id_card", "identity_number",
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}
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// IsForbiddenField 判断字段是否禁止进入普通日志、审计或外部交互摘要。
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func IsForbiddenField(key string) bool {
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normalized := strings.ToLower(strings.NewReplacer("-", "_", ".", "_").Replace(key))
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for _, fragment := range forbiddenFragments {
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if strings.Contains(normalized, fragment) {
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return true
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}
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}
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if strings.HasSuffix(normalized, "_key") || normalized == "key" || strings.HasSuffix(normalized, "_url") || normalized == "url" {
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return true
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}
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return false
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}
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// MarshalSummary 递归删除禁止字段并返回 sonic 编码的安全 JSON。
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func MarshalSummary(value any) ([]byte, error) {
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if value == nil {
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return nil, nil
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}
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encoded, err := sonic.Marshal(value)
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if err != nil {
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return nil, err
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}
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var normalized any
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if err := sonic.Unmarshal(encoded, &normalized); err != nil {
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return nil, err
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}
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RemoveForbiddenFields(normalized)
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return sonic.Marshal(normalized)
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}
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// RemoveForbiddenFields 原地递归删除 Map 或数组中的禁止字段。
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func RemoveForbiddenFields(value any) {
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switch typed := value.(type) {
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case map[string]any:
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for key, item := range typed {
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if IsForbiddenField(key) {
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delete(typed, key)
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continue
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}
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RemoveForbiddenFields(item)
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}
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case []any:
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for _, item := range typed {
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RemoveForbiddenFields(item)
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}
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}
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}
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// TextSummary 将不可信外部文本转换为不可逆大小和哈希摘要。
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func TextSummary(value string) string {
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if value == "" {
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return ""
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}
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sum := sha256.Sum256([]byte(value))
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return fmt.Sprintf("外部文本摘要 bytes=%d sha256=%s", len(value), hex.EncodeToString(sum[:8]))
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}
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