feat:新增接口数据加密

controllers/base_auth.go

@@ -158,5 +158,8 @@ func (c *BaseAuthController) JSON(data interface{}, hasIndent bool, coding bool)
 	if coding {
 		content = []byte(utils.StringsToJSON(string(content)))
 	}
+
+	// 数据加密
+	content = utils.DesBase64Encrypt(content)
 	return c.Ctx.Output.Body(content)
 }

controllers/base_common.go

@@ -139,5 +139,8 @@ func (c *BaseCommonController) JSON(data interface{}, hasIndent bool, coding boo
 	if coding {
 		content = []byte(utils.StringsToJSON(string(content)))
 	}
+
+	// 数据加密
+	content = utils.DesBase64Encrypt(content)
 	return c.Ctx.Output.Body(content)
 }

controllers/base_not_auth.go

@@ -128,5 +128,8 @@ func (c *BaseNotAuthController) JSON(data interface{}, hasIndent bool, coding bo
 	if coding {
 		content = []byte(utils.StringsToJSON(string(content)))
 	}
+
+	// 数据加密
+	content = utils.DesBase64Encrypt(content)
 	return c.Ctx.Output.Body(content)
 }

controllers/base_pc_not_auth.go

@@ -142,5 +142,8 @@ func (c *BasePcNotAuthController) JSON(data interface{}, hasIndent bool, coding
 	if coding {
 		content = []byte(utils.StringsToJSON(string(content)))
 	}
+
+	// 数据加密
+	content = utils.DesBase64Encrypt(content)
 	return c.Ctx.Output.Body(content)
 }

utils/constants.go

@@ -84,3 +84,7 @@ const (
 const (
 	CACHE_KEY_USER_VIEW = "user_view_record" //用户阅读数据
 )
+
+const (
+	key = "KcSJaJoUBC2ZAA7HEWpaiH49" //全局加密KEY
+)

utils/des3.go

@@ -0,0 +1,187 @@
+//加密工具类，用了3des和base64
+package utils
+
+import (
+	"bytes"
+	"crypto/cipher"
+	"crypto/des"
+	"encoding/base64"
+	"encoding/hex"
+	"errors"
+	"strings"
+)
+
+//des3 + base64 encrypt
+func DesBase64Encrypt(origData []byte) []byte {
+	result, err := TripleDesEncrypt(origData, []byte(key))
+	if err != nil {
+		panic(err)
+	}
+	return []byte(base64.StdEncoding.EncodeToString(result))
+}
+
+func DesBase64Decrypt(crypted []byte) []byte {
+	result, _ := base64.StdEncoding.DecodeString(string(crypted))
+	remain := len(result) % 8
+	if remain > 0 {
+		mod := 8 - remain
+		for i := 0; i < mod; i++ {
+			result = append(result, 0)
+		}
+	}
+	origData, err := TripleDesDecrypt(result, []byte(key))
+	if err != nil {
+		panic(err)
+	}
+	return origData
+}
+
+// 3DES加密
+func TripleDesEncrypt(origData, key []byte) ([]byte, error) {
+	block, err := des.NewTripleDESCipher(key)
+	if err != nil {
+		return nil, err
+	}
+	origData = PKCS5Padding(origData, block.BlockSize())
+	// origData = ZeroPadding(origData, block.BlockSize())
+	blockMode := cipher.NewCBCEncrypter(block, key[:8])
+	crypted := make([]byte, len(origData))
+	blockMode.CryptBlocks(crypted, origData)
+	return crypted, nil
+}
+
+// 3DES解密
+func TripleDesDecrypt(crypted, key []byte) ([]byte, error) {
+	block, err := des.NewTripleDESCipher(key)
+	if err != nil {
+		return nil, err
+	}
+	blockMode := cipher.NewCBCDecrypter(block, key[:8])
+	origData := make([]byte, len(crypted))
+	// origData := crypted
+	blockMode.CryptBlocks(origData, crypted)
+	origData = PKCS5UnPadding(origData)
+	// origData = ZeroUnPadding(origData)
+	return origData, nil
+}
+
+func ZeroPadding(ciphertext []byte, blockSize int) []byte {
+	padding := blockSize - len(ciphertext)%blockSize
+	padtext := bytes.Repeat([]byte{0}, padding)
+	return append(ciphertext, padtext...)
+}
+
+func ZeroUnPadding(origData []byte) []byte {
+	length := len(origData)
+	unpadding := int(origData[length-1])
+	return origData[:(length - unpadding)]
+}
+
+func PKCS5Padding(ciphertext []byte, blockSize int) []byte {
+	padding := blockSize - len(ciphertext)%blockSize
+	padtext := bytes.Repeat([]byte{byte(padding)}, padding)
+	return append(ciphertext, padtext...)
+}
+
+func PKCS5UnPadding(origData []byte) []byte {
+	length := len(origData)
+	// 去掉最后一个字节 unpadding 次
+	unpadding := int(origData[length-1])
+	return origData[:(length - unpadding)]
+}
+
+//DES加密
+func DesEncrypt(content string, key string) string {
+	contents := []byte(content)
+	keys := []byte(key)
+	block, err := des.NewCipher(keys)
+	if err != nil {
+		return ""
+	}
+	contents = PKCS5Padding(contents, block.BlockSize())
+	blockMode := cipher.NewCBCEncrypter(block, keys)
+	crypted := make([]byte, len(contents))
+	blockMode.CryptBlocks(crypted, contents)
+	return byteToHexString(crypted)
+}
+
+func byteToHexString(bytes []byte) string {
+	str := ""
+	for i := 0; i < len(bytes); i++ {
+		sTemp := hex.EncodeToString([]byte{bytes[i]})
+		if len(sTemp) < 2 {
+			str += string(0)
+		}
+		str += strings.ToUpper(sTemp)
+	}
+	return str
+}
+
+//DES解密
+func DesDecrypt(content string, key string) string {
+	contentBytes, err := hex.DecodeString(content)
+	if err != nil {
+		return "字符串转换16进制数组失败" + err.Error()
+	}
+	keys := []byte(key)
+	block, err := des.NewCipher(keys)
+	if err != nil {
+		return "解密失败" + err.Error()
+	}
+	blockMode := cipher.NewCBCDecrypter(block, keys)
+	origData := contentBytes
+	blockMode.CryptBlocks(origData, contentBytes)
+	origData = ZeroUnPadding(origData)
+	return string(origData)
+}
+
+// DES ECB PKCK5Padding
+func EntryptDesECB(data, key []byte) (string, error) {
+	if len(key) > 8 {
+		key = key[:8]
+	}
+	block, err := des.NewCipher(key)
+	if err != nil {
+		return "", errors.New("des.NewCipher " + err.Error())
+	}
+	bs := block.BlockSize()
+	data = PKCS5Padding(data, bs)
+	if len(data)%bs != 0 {
+		return "", errors.New("EntryptDesECB Need a multiple of the blocksize")
+	}
+	out := make([]byte, len(data))
+	dst := out
+	for len(data) > 0 {
+		block.Encrypt(dst, data[:bs])
+		data = data[bs:]
+		dst = dst[bs:]
+	}
+	return base64.StdEncoding.EncodeToString(out), nil
+}
+
+func DecryptDESECB(d string, key []byte) ([]byte, error) {
+	data, err := base64.StdEncoding.DecodeString(d)
+	if err != nil {
+		return nil, errors.New("decodebase64 " + err.Error())
+	}
+	if len(key) > 8 {
+		key = key[:8]
+	}
+	block, err := des.NewCipher(key)
+	if err != nil {
+		return nil, errors.New("des.NewCipher " + err.Error())
+	}
+	bs := block.BlockSize()
+	if len(data)%bs != 0 {
+		return nil, errors.New("DecryptDES crypto/cipher: input not full blocks")
+	}
+	out := make([]byte, len(data))
+	dst := out
+	for len(data) > 0 {
+		block.Decrypt(dst, data[:bs])
+		data = data[bs:]
+		dst = dst[bs:]
+	}
+	out = PKCS5UnPadding(out)
+	return out, nil
+}