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OneAuth/auth/middleware.go

138 lines
3.6 KiB
Go

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// Copyright (C) 2024 veypi <i@veypi.com>
// 2025-03-04 16:08:06
// Distributed under terms of the MIT license.
package auth
import (
"encoding/json"
"fmt"
"strings"
"time"
"github.com/veypi/vbase/cfg"
"github.com/veypi/vbase/libs/cache"
"github.com/veypi/vbase/libs/jwt"
"github.com/veypi/vbase/models"
"github.com/veypi/vigo"
)
// orgMemberCache 组织成员身份缓存结构
type orgMemberCache struct {
IsMember bool `json:"is_member"`
RoleCodes []string `json:"role_codes"`
}
// AuthMiddleware 统一认证中间件
// 1. JWT认证: 解析token验证有效性设置用户信息
// 2. 组织上下文: 如果请求包含org_id验证用户成员身份设置组织信息
// 使用Redis缓存组织成员身份和角色信息减少数据库查询
func AuthMiddleware() func(*vigo.X) error {
return func(x *vigo.X) error {
// === 1. JWT 认证部分 ===
tokenString := extractToken(x)
if tokenString == "" {
return vigo.ErrUnauthorized.WithString("missing token")
}
// 解析token
claims, err := jwt.ParseToken(tokenString)
if err != nil {
if err == jwt.ErrExpiredToken {
return vigo.ErrTokenExpired
}
return vigo.ErrTokenInvalid
}
// 检查token是否在黑名单中
if cache.IsEnabled() {
blacklisted, _ := cache.IsTokenBlacklisted(claims.ID)
if blacklisted {
return vigo.ErrUnauthorized.WithString("token has been revoked")
}
}
// 将用户信息存入上下文
x.Set("user_id", claims.UserID)
x.Set("user_name", claims.Username)
x.Set("user_orgs", claims.Orgs)
x.Set("token_claims", claims)
// === 2. 组织上下文部分 ===
orgID := x.Request.Header.Get("X-Org-ID")
if orgID == "" {
orgID = x.Request.URL.Query().Get("org_id")
}
if orgID == "" {
// 没有指定组织,仅完成用户认证
return nil
}
// 尝试从缓存获取组织成员信息
var roleCodes []string
var isMember bool
if cache.IsEnabled() {
cacheKey := fmt.Sprintf("auth:org_member:%s:%s", claims.UserID, orgID)
cachedData, err := cache.Get(cacheKey)
if err == nil && cachedData != "" {
var cached orgMemberCache
if err := json.Unmarshal([]byte(cachedData), &cached); err == nil {
isMember = cached.IsMember
roleCodes = cached.RoleCodes
}
}
}
// 缓存未命中,查询数据库
if roleCodes == nil {
// 验证用户是否为组织成员
var member models.OrgMember
err := cfg.DB().Where("org_id = ? AND user_id = ? AND status = ?",
orgID, claims.UserID, models.MemberStatusActive).First(&member).Error
isMember = err == nil
if isMember {
// 查询用户的角色
cfg.DB().Model(&models.UserRole{}).
Joins("JOIN roles ON user_roles.role_id = roles.id").
Where("user_roles.user_id = ? AND user_roles.org_id = ?", claims.UserID, orgID).
Pluck("roles.code", &roleCodes)
}
// 写入缓存
if cache.IsEnabled() {
cacheData := orgMemberCache{
IsMember: isMember,
RoleCodes: roleCodes,
}
if data, err := json.Marshal(cacheData); err == nil {
cacheKey := fmt.Sprintf("auth:org_member:%s:%s", claims.UserID, orgID)
// 缓存5分钟
cache.Set(cacheKey, string(data), 5*time.Minute)
}
}
}
if !isMember {
return vigo.ErrForbidden.WithString("you are not a member of this organization")
}
x.Set("org_id", orgID)
x.Set("org_roles", roleCodes)
return nil
}
}
func extractToken(x *vigo.X) string {
auth := x.Request.Header.Get("Authorization")
if auth != "" {
if len(auth) > 7 && strings.HasPrefix(auth, "Bearer ") {
return auth[7:]
}
}
return x.Request.URL.Query().Get("access_token")
}