添加对称加密和meta信息，补充readme

README.md

@@ -1,3 +1,58 @@
-# utils
+# utils通用包
 
-通用包
+<!-- TOC -->
+* [utils通用包](#utils通用包)
+  * [安装](#安装)
+  * [通用包](#通用包)
+    * [pagination](#pagination)
+    * [transport：通用http ResponseEncoder](#transport通用http-responseencoder)
+    * [meta：跨服务meta信息设置和获取](#meta跨服务meta信息设置和获取)
+    * [encrypt：对称加密](#encrypt对称加密)
+<!-- TOC -->
+
+## 安装
+
+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
+```
+
+## 通用包
+
+### pagination
+
+* v1
+
+  > 说明
+
+### transport：通用http ResponseEncoder
+
+* v1
+
+  > 通用http ResponseEncoder
+
+### meta：跨服务meta信息设置和获取
+
+* v1
+
+  > 跨服务meta信息设置和获取
+  > - user（基础用户信息）
+
+### encrypt：对称加密
+
+* v1
+
+  > 对称加密，目前包含：SHA1PRNG

encrypt/v1/encrypt.go

@@ -0,0 +1,102 @@
+package encrypt
+
+import (
+	"crypto/aes"
+	"crypto/hmac"
+	"crypto/sha1"
+	"errors"
+)
+
+//AesEncryptECBSha1prng java AES 加密 SHA1PRNG
+func AesEncryptECBSha1prng(src []byte, key []byte) ([]byte, error) {
+	sha1prngKey, err := GetSha1prngKey(key, 128)
+	if err != nil {
+		return nil, err
+	}
+
+	return AesEncryptECB(src, sha1prngKey), nil
+}
+
+//AesDecryptECBSha1prng java AES 解密 SHA1PRNG
+func AesDecryptECBSha1prng(encrypted []byte, key []byte) ([]byte, error) {
+	sha1prngKey, err := GetSha1prngKey(key, 128)
+	if err != nil {
+		return nil, err
+	}
+
+	return AesDecryptECB(encrypted, sha1prngKey), nil
+}
+
+//AesEncryptECB AES-128-ECB 加密，（php:openssl_encrypt($string, 'AES-128-ECB', $key, OPENSSL_RAW_DATA)）
+func AesEncryptECB(src []byte, key []byte) []byte {
+	c, _ := aes.NewCipher(generateKey(key))
+	length := (len(src) + aes.BlockSize) / aes.BlockSize
+	plain := make([]byte, length*aes.BlockSize)
+	copy(plain, src)
+	pad := byte(len(plain) - len(src))
+	for i := len(src); i < len(plain); i++ {
+		plain[i] = pad
+	}
+	encrypted := make([]byte, len(plain))
+	// 分组分块加密
+	for bs, be := 0, c.BlockSize(); bs <= len(src); bs, be = bs+c.BlockSize(), be+c.BlockSize() {
+		c.Encrypt(encrypted[bs:be], plain[bs:be])
+	}
+
+	return encrypted
+}
+
+//AesDecryptECB AES-128-ECB 解密
+func AesDecryptECB(encrypted []byte, key []byte) []byte {
+	c, _ := aes.NewCipher(generateKey(key))
+	decrypted := make([]byte, len(encrypted))
+
+	for bs, be := 0, c.BlockSize(); bs < len(encrypted); bs, be = bs+c.BlockSize(), be+c.BlockSize() {
+		c.Decrypt(decrypted[bs:be], encrypted[bs:be])
+	}
+
+	trim := 0
+	if len(decrypted) > 0 {
+		trim = len(decrypted) - int(decrypted[len(decrypted)-1])
+	}
+
+	return decrypted[:trim]
+}
+
+// GetSha1prngKey 模拟 java SHA1PRNG 处理，（php:substr(openssl_digest(openssl_digest($key, 'sha1', true), 'sha1', true), 0, 16)）
+func GetSha1prngKey(keyBytes []byte, encryptLength int) ([]byte, error) {
+	hashs := Sha1(Sha1(keyBytes))
+	maxLen := len(hashs)
+	realLen := encryptLength / 8
+	if realLen > maxLen {
+		return nil, errors.New("invalid length")
+	}
+
+	return hashs[0:realLen], nil
+}
+
+//Sha1 Sha1
+func Sha1(data []byte) []byte {
+	h := sha1.New()
+	h.Write(data)
+	return h.Sum(nil)
+}
+
+// HmacSha1 HmacSha1
+func HmacSha1(string, secret string) []byte {
+	mac := hmac.New(sha1.New, []byte(secret))
+	mac.Write([]byte(string))
+
+	return mac.Sum(nil)
+}
+
+func generateKey(key []byte) (genKey []byte) {
+	genKey = make([]byte, 16)
+	copy(genKey, key)
+	for i := 16; i < len(key); {
+		for j := 0; j < 16 && i < len(key); j, i = j+1, i+1 {
+			genKey[j] ^= key[i]
+		}
+	}
+	return genKey
+}

meta/v1/user.go

@@ -0,0 +1,75 @@
+package meta
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"github.com/go-kratos/kratos/v2/metadata"
+)
+
+const (
+	userMetaKey = "x-md-global-user"
+)
+
+var UserErr = errors.New("userinfo error")
+
+// User 用户信息
+type User struct {
+	// 用户id
+	Id int32 `json:"id"`
+	// 邮箱
+	Email string `json:"email"`
+	// 账号
+	Username string `json:"username"`
+	// 手机号
+	Phone string `json:"phone"`
+	// 昵称
+	Nickname string `json:"nickname"`
+	// 头像
+	Avatar string `json:"avatar"`
+	// 状态 1=正常;2=封禁
+	Status int32 `json:"status"`
+}
+
+// SetUserMetaClient 设置用户meta信息
+func SetUserMetaClient(ctx context.Context, user *User) context.Context {
+	userInfo, _ := json.Marshal(user)
+	return metadata.AppendToClientContext(ctx, userMetaKey, string(userInfo))
+}
+
+// GetUserMetaClient 获取用户meta信息
+func GetUserMetaClient(ctx context.Context) (*User, error) {
+	if meta, ok := metadata.FromClientContext(ctx); ok {
+		user := &User{}
+		if json.Unmarshal([]byte(meta.Get(userMetaKey)), user) != nil {
+			return nil, UserErr
+		}
+		return user, nil
+	}
+	return nil, UserErr
+}
+
+// SetUserMetaServer 设置用户meta信息
+func SetUserMetaServer(ctx context.Context, user *User) context.Context {
+	userInfo, _ := json.Marshal(user)
+
+	var meta metadata.Metadata
+	var ok bool
+	if meta, ok = metadata.FromServerContext(ctx); ok {
+		meta.Set(userMetaKey, string(userInfo))
+	}
+
+	return metadata.NewServerContext(ctx, meta)
+}
+
+// GetUserMetaServer 获取用户meta信息
+func GetUserMetaServer(ctx context.Context) (*User, error) {
+	if meta, ok := metadata.FromServerContext(ctx); ok {
+		user := &User{}
+		if json.Unmarshal([]byte(meta.Get(userMetaKey)), user) != nil {
+			return nil, UserErr
+		}
+		return user, nil
+	}
+	return nil, UserErr
+}