66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package services
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import (
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"crypto/sha256"
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"encoding/hex"
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"strings"
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)
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// NormalizeIDCard 归一化身份证号（去空格、末位 X 大写）
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func NormalizeIDCard(idCard string) string {
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idCard = strings.TrimSpace(idCard)
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return strings.ToUpper(idCard)
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}
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// HashIDCard 计算身份证号 SHA256 哈希，用于索引与匹配
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func HashIDCard(idCard string) string {
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sum := sha256.Sum256([]byte(NormalizeIDCard(idCard)))
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return hex.EncodeToString(sum[:])
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}
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// MaskIDCard 脱敏展示：350681********0611
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func MaskIDCard(idCard string) string {
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id := NormalizeIDCard(idCard)
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if len(id) <= 10 {
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return id
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}
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return id[:6] + "********" + id[len(id)-4:]
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}
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// IdentityParams 从请求参数中提取的身份证与姓名
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type IdentityParams struct {
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IDCard string
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Name string
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OK bool
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}
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// ExtractIdentityParams 从解密后的 params map 提取 id_card + name
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func ExtractIdentityParams(params map[string]interface{}) IdentityParams {
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idCard := firstNonEmptyString(params, "id_card", "idCard")
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name := firstNonEmptyString(params, "name")
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if idCard == "" {
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return IdentityParams{OK: false}
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}
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return IdentityParams{
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IDCard: NormalizeIDCard(idCard),
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Name: strings.TrimSpace(name),
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OK: true,
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}
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}
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func firstNonEmptyString(params map[string]interface{}, keys ...string) string {
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for _, key := range keys {
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v, ok := params[key]
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if !ok {
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continue
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}
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if s, ok := v.(string); ok {
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s = strings.TrimSpace(s)
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if s != "" {
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return s
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}
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}
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}
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return ""
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}
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