init: init refactor
This commit is contained in:
Blizzard
@@ -0,0 +1,10 @@
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package consts
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// 表名前缀
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const TablePrefix = "sundynix_"
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// Redis Key前缀
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const (
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RedisKeyJWTBlacklist = "jwt:blacklist:" // JWT黑名单
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RedisKeyUserToken = "user:token:" // 用户Token
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)
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@@ -0,0 +1,28 @@
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package model
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import (
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"sundynix-micro-go/common/utils/uniqueid"
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"time"
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"gorm.io/gorm"
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)
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// BaseModel 基础模型，所有表的公共字段
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type BaseModel struct {
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ID string `gorm:"size:50;primaryKey" json:"id"`
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CreatedAt time.Time `json:"createdAt" gorm:"autoCreateTime"`
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UpdatedAt time.Time `json:"updatedAt" gorm:"autoCreateTime;autoUpdateTime"`
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DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
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}
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// BeforeCreate 创建前自动生成雪花ID
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func (m *BaseModel) BeforeCreate(db *gorm.DB) (err error) {
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db.Statement.SetColumn("id", uniqueid.GenerateID())
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return
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}
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// BeforeUpdate 更新前自动更新时间
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func (m *BaseModel) BeforeUpdate(db *gorm.DB) (err error) {
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db.Statement.SetColumn("updated_at", time.Now())
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return
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}
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@@ -0,0 +1,67 @@
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package response
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import (
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"encoding/json"
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"net/http"
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)
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// Body 统一响应体
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type Body struct {
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Code int `json:"code"`
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Msg string `json:"msg"`
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Data interface{} `json:"data,omitempty"`
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}
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func writeJSON(w http.ResponseWriter, body *Body) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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_ = json.NewEncoder(w).Encode(body)
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}
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// OkWithData 成功响应(带数据)
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func OkWithData(w http.ResponseWriter, data interface{}) {
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writeJSON(w, &Body{Code: 200, Msg: "success", Data: data})
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}
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// Ok 成功响应(无数据)
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func Ok(w http.ResponseWriter) {
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writeJSON(w, &Body{Code: 200, Msg: "success"})
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}
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// OkWithMsg 成功响应(自定义消息)
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func OkWithMsg(w http.ResponseWriter, msg string) {
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writeJSON(w, &Body{Code: 200, Msg: msg})
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}
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// Fail 失败响应
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func Fail(w http.ResponseWriter, msg string) {
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writeJSON(w, &Body{Code: 400, Msg: msg})
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}
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// FailWithCode 失败响应(自定义错误码)
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func FailWithCode(w http.ResponseWriter, code int, msg string) {
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writeJSON(w, &Body{Code: code, Msg: msg})
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}
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// NoAuth 未授权响应
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func NoAuth(w http.ResponseWriter, msg string) {
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writeJSON(w, &Body{Code: 401, Msg: msg})
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}
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// PageResult 分页结果
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type PageResult struct {
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List interface{} `json:"list"`
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Total int64 `json:"total"`
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Current int `json:"current"`
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Size int `json:"size"`
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}
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// OkWithPage 分页成功响应
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func OkWithPage(w http.ResponseWriter, list interface{}, total int64, current, size int) {
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OkWithData(w, PageResult{
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List: list,
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Total: total,
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Current: current,
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Size: size,
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})
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}
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@@ -0,0 +1,27 @@
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package hash
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import (
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"crypto/md5"
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"encoding/hex"
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"golang.org/x/crypto/bcrypt"
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)
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// BcryptHash 使用bcrypt对密码进行加密
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func BcryptHash(password string) string {
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bytes, _ := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
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return string(bytes)
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}
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// BcryptCheck 对比明文密码和数据库的哈希值
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func BcryptCheck(password, hash string) bool {
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err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
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return err == nil
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}
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// MD5 计算MD5哈希值
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func MD5(str []byte) string {
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h := md5.New()
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h.Write(str)
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return hex.EncodeToString(h.Sum(nil))
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}
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@@ -0,0 +1,97 @@
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package jwt
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import (
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"errors"
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"time"
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jwtv5 "github.com/golang-jwt/jwt/v5"
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)
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var (
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ErrTokenValid = errors.New("未知错误")
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ErrTokenExpired = errors.New("token已过期")
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ErrTokenNotValidYet = errors.New("token尚未激活")
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ErrTokenMalformed = errors.New("这不是一个token")
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ErrTokenSignatureInvalid = errors.New("无效签名")
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ErrTokenInvalid = errors.New("无法处理此token")
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)
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// BaseClaims 基础Claims
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type BaseClaims struct {
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ID string `json:"id"`
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Account string `json:"account"`
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}
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// CustomClaims 自定义Claims
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type CustomClaims struct {
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BaseClaims
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BufferTime int64 `json:"bufferTime"`
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jwtv5.RegisteredClaims
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}
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// JWT JWT工具
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type JWT struct {
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SigningKey []byte
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}
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// NewJWT 创建JWT实例
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func NewJWT(signingKey string) *JWT {
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return &JWT{
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SigningKey: []byte(signingKey),
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}
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}
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// CreateClaims 创建Claims
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func (j *JWT) CreateClaims(baseClaims BaseClaims, bufferTime, expiresTime time.Duration, issuer string) CustomClaims {
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return CustomClaims{
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BaseClaims: baseClaims,
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BufferTime: int64(bufferTime / time.Second),
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RegisteredClaims: jwtv5.RegisteredClaims{
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Audience: jwtv5.ClaimStrings{"sundynix"},
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NotBefore: jwtv5.NewNumericDate(time.Now().Add(-1000)),
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ExpiresAt: jwtv5.NewNumericDate(time.Now().Add(expiresTime)),
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Issuer: issuer,
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},
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}
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}
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// CreateToken 创建token
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func (j *JWT) CreateToken(claims CustomClaims) (string, error) {
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token := jwtv5.NewWithClaims(jwtv5.SigningMethodHS256, claims)
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return token.SignedString(j.SigningKey)
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}
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// ParseToken 解析token
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func (j *JWT) ParseToken(tokenString string) (*CustomClaims, error) {
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token, err := jwtv5.ParseWithClaims(tokenString, &CustomClaims{}, func(token *jwtv5.Token) (interface{}, error) {
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return j.SigningKey, nil
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})
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if err != nil {
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switch {
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case errors.Is(err, jwtv5.ErrTokenExpired):
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return nil, ErrTokenExpired
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case errors.Is(err, jwtv5.ErrTokenNotValidYet):
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return nil, ErrTokenNotValidYet
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case errors.Is(err, jwtv5.ErrTokenMalformed):
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return nil, ErrTokenMalformed
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case errors.Is(err, jwtv5.ErrTokenSignatureInvalid):
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return nil, ErrTokenSignatureInvalid
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default:
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return nil, ErrTokenInvalid
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}
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}
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if token != nil {
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if claims, ok := token.Claims.(*CustomClaims); ok && token.Valid {
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return claims, nil
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}
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}
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return nil, ErrTokenInvalid
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}
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// GetTokenFromHeader 从Authorization头中提取token
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func GetTokenFromHeader(authHeader string) string {
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if len(authHeader) > 7 && authHeader[:7] == "Bearer " {
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return authHeader[7:]
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}
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return authHeader
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}
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@@ -0,0 +1,54 @@
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package uniqueid
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import (
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"crypto/rand"
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"fmt"
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"math/big"
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"strings"
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"time"
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"github.com/google/uuid"
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)
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// GenerateID 生成UUID v1作为主键
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func GenerateID() string {
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uuidV1, err := uuid.NewUUID()
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if err != nil {
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panic(err)
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}
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return uuidV1.String()
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}
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// GenerateName 生成随机用户名
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func GenerateName(prefix string) string {
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str := uuid.New().String()
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return prefix + str[6:12]
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}
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// GenerateRandomCode 生成随机码(如邀请码)
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func GenerateRandomCode(length int) string {
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const charset = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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var sb strings.Builder
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for i := 0; i < length; i++ {
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n, _ := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
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sb.WriteByte(charset[n.Int64()])
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}
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return sb.String()
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}
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// GenCodeKey 生成邀请码的Redis Key
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func GenCodeKey(userID string) string {
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return fmt.Sprintf("code:%s", userID)
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}
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// GenOrderNo 生成订单号
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func GenOrderNo() string {
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now := time.Now()
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timePart := now.Format("20060102150405")
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machineID := 1
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pid := now.Nanosecond() % 1000
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businessPart := fmt.Sprintf("%02d%03d%01d", machineID, pid, now.Second()%10)
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random1 := fmt.Sprintf("%04d", now.Nanosecond()%10000)
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random2 := fmt.Sprintf("%04d", (now.Nanosecond()/10000)%10000)
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return timePart + businessPart + random1 + random2
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}
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