commit e005effcb0b2e70191014891c00492f588f0d555
Author: jialei <jialei>
Date:   Tue Dec 27 16:54:36 2022 +0800

    新增接口签名和response加密

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2d6a5bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,40 @@
+# Reference https://github.com/github/gitignore/blob/master/Go.gitignore
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+vendor/
+
+# Go workspace file
+go.work
+
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# OS General
+Thumbs.db
+.DS_Store
+
+# project
+*.cert
+*.key
+*.log
+bin/
+
+# Develop tools
+.vscode/
+.idea/
+.fleet/
+*.swp
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..02937e3
--- /dev/null
+++ b/README.md
@@ -0,0 +1,16 @@
+### 使用方法
+
+1、设置私有仓库
+```shell
+go env -w GOPRIVATE=gitea.drugeyes.vip
+```
+
+2、设置git
+```shell
+git config --global url."ssh://gitea@gitea.drugeyes.vip".insteadOf "https://gitea.drugeyes.vip"
+```
+
+3、拉取对应版本
+```shell
+go get gitea.drugeyes.vip/pharnexbase/tools@v1.0.0
+```
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..93fc887
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module gitea.drugeyes.vip/pharnexbase/tools
+
+go 1.18
+
+require github.com/tjfoc/gmsm v1.4.1 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..b379cd2
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,71 @@
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diff --git a/request/hashalg.go b/request/hashalg.go
new file mode 100644
index 0000000..0911fae
--- /dev/null
+++ b/request/hashalg.go
@@ -0,0 +1,23 @@
+package request
+
+import "gitea.drugeyes.vip/pharnexbase/tools/utils"
+
+type md5 struct{}
+
+type sha1 struct{}
+
+func NewMD5HashAlg() *md5 {
+	return &md5{}
+}
+
+func NewSHA1HashAlg() *sha1 {
+	return &sha1{}
+}
+
+func (m *md5) Hash(str string) string {
+	return utils.Md5(str)
+}
+
+func (s *sha1) Hash(str string) string {
+	return utils.Sha1(str)
+}
diff --git a/request/signature.go b/request/signature.go
new file mode 100644
index 0000000..016277e
--- /dev/null
+++ b/request/signature.go
@@ -0,0 +1,46 @@
+package request
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+)
+
+type hashAlg interface {
+	Hash(str string) string
+}
+
+type signature struct {
+	secret string
+	alg    hashAlg
+}
+
+func NewSignature(secret string, alg hashAlg) *signature {
+	return &signature{secret: secret, alg: alg}
+}
+
+// GenSignature 这里获取签名与前端传递的签名做对比，防止重复使用可以将其存入redis或者对比时间戳
+func (s *signature) GenSignature(params map[string]string) string {
+	if params == nil {
+		return ""
+	}
+
+	keys := make([]string, 0, len(params))
+	// 获取所有key 按照ASSIC码升序
+	for k, v := range params {
+		// 空字符串不参与签名
+		if v == "" {
+			continue
+		}
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+
+	signStr := ""
+	for _, k := range keys {
+		signStr += fmt.Sprintf("%s=%s&", k, params[k])
+	}
+	signStr = signStr + "key=" + s.secret
+
+	return strings.ToUpper(s.alg.Hash(signStr))
+}
diff --git a/response/encryption.go b/response/encryption.go
new file mode 100644
index 0000000..45ae251
--- /dev/null
+++ b/response/encryption.go
@@ -0,0 +1,16 @@
+package response
+
+import (
+	"encoding/hex"
+	"github.com/tjfoc/gmsm/sm4"
+)
+
+// Encryption 使用sm4算法加密数据
+func Encryption(key string, data []byte) (string, error) {
+	ecbMsg, err := sm4.Sm4Ecb([]byte(key), data, true)
+	if err != nil {
+		return "", err
+	} else {
+		return hex.EncodeToString(ecbMsg), nil
+	}
+}
diff --git a/utils/base64.go b/utils/base64.go
new file mode 100644
index 0000000..46a2309
--- /dev/null
+++ b/utils/base64.go
@@ -0,0 +1,13 @@
+package utils
+
+import "encoding/base64"
+
+func Base64Encode(str string) string {
+	data := base64.StdEncoding.EncodeToString([]byte(str))
+	return data
+}
+
+func Base64Decode(str string) []byte {
+	data, _ := base64.StdEncoding.DecodeString(str)
+	return data
+}
diff --git a/utils/md5.go b/utils/md5.go
new file mode 100644
index 0000000..6165d91
--- /dev/null
+++ b/utils/md5.go
@@ -0,0 +1,16 @@
+package utils
+
+import (
+	"crypto/md5"
+	"fmt"
+	"io"
+)
+
+// Md5 字符串转md5
+func Md5(str string) string {
+	h := md5.New()
+
+	io.WriteString(h, str)
+	// 注意：这里不能使用string将[]byte转为字符串，否则会显示乱码
+	return fmt.Sprintf("%x", h.Sum(nil))
+}
diff --git a/utils/sha1.go b/utils/sha1.go
new file mode 100644
index 0000000..31b9b3a
--- /dev/null
+++ b/utils/sha1.go
@@ -0,0 +1,13 @@
+package utils
+
+import (
+	"crypto/sha1"
+	"encoding/hex"
+)
+
+func Sha1(str string) string {
+	h := sha1.New()
+	h.Write([]byte(str))
+
+	return hex.EncodeToString(h.Sum(nil))
+}