From afab301d8ea0427ec594875d4f7a18cab4e4072c Mon Sep 17 00:00:00 2001
From: Fu Diwei <fudiwei@sina.com>
Date: Fri, 17 Jul 2026 16:56:00 +0800
Subject: [PATCH] refactor: add maps utility for getting keys

---
 pkg/sdk3rd/alibabacloud/oss/signer.go       |  7 +++----
 pkg/sdk3rd/dcloud/unicloud/client.go        |  6 ++----
 pkg/sdk3rd/huaweicloud/obs/signer.go        |  7 +++----
 pkg/sdk3rd/ksyun/zz-shared-common/signer.go |  7 +++----
 pkg/sdk3rd/volcengine/tos/signer.go         |  7 +++----
 pkg/utils/maps/key.go                       | 16 ++++++++++++++++
 6 files changed, 30 insertions(+), 20 deletions(-)
 create mode 100644 pkg/utils/maps/key.go

diff --git a/pkg/sdk3rd/alibabacloud/oss/signer.go b/pkg/sdk3rd/alibabacloud/oss/signer.go
index 7d240571..d710a64b 100644
--- a/pkg/sdk3rd/alibabacloud/oss/signer.go
+++ b/pkg/sdk3rd/alibabacloud/oss/signer.go
@@ -12,6 +12,8 @@ import (
 	"sort"
 	"strings"
 	"time"
+
+	xmaps "github.com/certimate-go/certimate/pkg/utils/maps"
 )
 
 type signer struct {
@@ -47,10 +49,7 @@ func (s *signer) Sign(req *http.Request) error {
 	if len(req.URL.Query()) > 0 {
 		query := req.URL.Query()
 
-		keys := make([]string, 0, len(query))
-		for key := range query {
-			keys = append(keys, key)
-		}
+		keys := xmaps.Keys(query)
 		sort.Strings(keys)
 
 		for i, key := range keys {
diff --git a/pkg/sdk3rd/dcloud/unicloud/client.go b/pkg/sdk3rd/dcloud/unicloud/client.go
index 76cfb7f2..9ef47f0c 100644
--- a/pkg/sdk3rd/dcloud/unicloud/client.go
+++ b/pkg/sdk3rd/dcloud/unicloud/client.go
@@ -19,6 +19,7 @@ import (
 	"github.com/go-resty/resty/v2"
 
 	"github.com/certimate-go/certimate/internal/app"
+	xmaps "github.com/certimate-go/certimate/pkg/utils/maps"
 )
 
 type Client struct {
@@ -354,10 +355,7 @@ func (c *Client) ensureApiUserToken(ctx context.Context) error {
 }
 
 func generateSignature(params map[string]any, secret string) string {
-	keys := make([]string, 0, len(params))
-	for k := range params {
-		keys = append(keys, k)
-	}
+	keys := xmaps.Keys(params)
 	sort.Strings(keys)
 
 	canonicalStr := ""
diff --git a/pkg/sdk3rd/huaweicloud/obs/signer.go b/pkg/sdk3rd/huaweicloud/obs/signer.go
index 53282629..01ac8f6f 100644
--- a/pkg/sdk3rd/huaweicloud/obs/signer.go
+++ b/pkg/sdk3rd/huaweicloud/obs/signer.go
@@ -11,6 +11,8 @@ import (
 	"sort"
 	"strings"
 	"time"
+
+	xmaps "github.com/certimate-go/certimate/pkg/utils/maps"
 )
 
 type signer struct {
@@ -50,10 +52,7 @@ func (s *signer) Sign(req *http.Request) error {
 	if len(req.URL.Query()) > 0 {
 		query := req.URL.Query()
 
-		keys := make([]string, 0, len(query))
-		for key := range query {
-			keys = append(keys, key)
-		}
+		keys := xmaps.Keys(query)
 		sort.Strings(keys)
 
 		for i, key := range keys {
diff --git a/pkg/sdk3rd/ksyun/zz-shared-common/signer.go b/pkg/sdk3rd/ksyun/zz-shared-common/signer.go
index cee625d8..1ff11414 100644
--- a/pkg/sdk3rd/ksyun/zz-shared-common/signer.go
+++ b/pkg/sdk3rd/ksyun/zz-shared-common/signer.go
@@ -12,6 +12,8 @@ import (
 	"sort"
 	"strings"
 	"time"
+
+	xmaps "github.com/certimate-go/certimate/pkg/utils/maps"
 )
 
 type signer struct {
@@ -61,10 +63,7 @@ func (s *signer) Sign(req *http.Request) error {
 	params["Timestamp"] = timestamp
 	params["SignatureVersion"] = "1.0"
 	params["SignatureMethod"] = "HMAC-SHA256"
-	paramsKeys := make([]string, 0, len(params))
-	for k := range params {
-		paramsKeys = append(paramsKeys, k)
-	}
+	paramsKeys := xmaps.Keys(params)
 	sort.Strings(paramsKeys)
 
 	stringToSign := ""
diff --git a/pkg/sdk3rd/volcengine/tos/signer.go b/pkg/sdk3rd/volcengine/tos/signer.go
index 917dbcf0..5d4caffd 100644
--- a/pkg/sdk3rd/volcengine/tos/signer.go
+++ b/pkg/sdk3rd/volcengine/tos/signer.go
@@ -12,6 +12,8 @@ import (
 	"sort"
 	"strings"
 	"time"
+
+	xmaps "github.com/certimate-go/certimate/pkg/utils/maps"
 )
 
 type signer struct {
@@ -41,10 +43,7 @@ func (s *signer) Sign(req *http.Request) error {
 	if len(req.URL.Query()) > 0 {
 		query := req.URL.Query()
 
-		keys := make([]string, 0, len(query))
-		for key := range query {
-			keys = append(keys, key)
-		}
+		keys := xmaps.Keys(query)
 		sort.Strings(keys)
 
 		for i, key := range keys {
diff --git a/pkg/utils/maps/key.go b/pkg/utils/maps/key.go
new file mode 100644
index 00000000..2c97976c
--- /dev/null
+++ b/pkg/utils/maps/key.go
@@ -0,0 +1,16 @@
+package maps
+
+// 获取字典中的所有键组成的切片。
+//
+// 入参：
+//   - dict: 字典。
+//
+// 出参：
+//   - keys: 字典中的所有键组成的切片。
+func Keys[Map ~map[K]V, K comparable, V any](dict Map) []K {
+	keys := make([]K, 0, len(dict))
+	for k := range dict {
+		keys = append(keys, k)
+	}
+	return keys
+}