Files
sundynix-agentix/sundynix-gateway/internal/handler/auth.go
T
Blizzard 693a8f09e9 feat(gateway): 多租户地基·增量1 —— 租户身份/成员/上下文(T4.A/SaaS P1)
按 SAAS_DESIGN.md P1 第一刀(真·多租户 + 桌面端为主):先立租户身份,不动查询。
- store.Tenant / TenantMember 表 + AutoMigrate
- store: CreateTenant / AddMember(幂等) / DefaultTenantForUser / EnsureDefaultTenant(幂等) /
  BackfillDefaultTenants / GetTenant / MemberRole
- 注册即建单人默认租户(owner);启动回填给存量用户补建(幂等)
- middleware.TenantContext(挂 Auth 后)解析当前租户→注入 tenant_id;handler.tenantID(c) 助手
- GET /api/v1/tenants/current 验证端点(租户上下文 + 角色)
- live:存量用户(回填 7 租户)/tenants/current 返回默认租户+owner;新注册自动建租户

下一步(增量2):核心表加 tenant_id + 统一 gorm scope 强制隔离 + 存量行回填 + 重写查询。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-06 17:31:09 +08:00

108 lines
3.3 KiB
Go

package handler
import (
"errors"
"log"
"net/http"
"strings"
"github.com/gin-gonic/gin"
"github.com/sundynix/sundynix-gateway/internal/auth"
"github.com/sundynix/sundynix-gateway/internal/store"
)
func firstNonEmpty(a, b string) string {
if a != "" {
return a
}
return b
}
// userJSON 是对外的用户视图(绝不含密码哈希)。
func userJSON(u *store.User) gin.H {
return gin.H{"id": u.ID, "email": u.Email, "name": u.Name}
}
// Register: POST /api/v1/auth/register {email, password, name} —— 注册并签发 JWT。
func (h *Handler) Register(c *gin.Context) {
var body struct {
Email string `json:"email"`
Password string `json:"password"`
Name string `json:"name"`
}
if err := c.ShouldBindJSON(&body); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
email := strings.TrimSpace(strings.ToLower(body.Email))
if !strings.Contains(email, "@") || len(body.Password) < 6 {
c.JSON(http.StatusBadRequest, gin.H{"error": "需合法邮箱且密码至少 6 位"})
return
}
hash, err := auth.HashPassword(body.Password)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "密码处理失败"})
return
}
u, err := h.db.CreateUser(c.Request.Context(), email, strings.TrimSpace(body.Name), hash)
if err != nil {
if errors.Is(err, store.ErrUserExists) {
c.JSON(http.StatusConflict, gin.H{"error": "该邮箱已注册"})
return
}
c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
return
}
// 多租户:每个新用户建一个单人默认租户(owner)。失败不阻断注册(中间件会兜底补建)。
if _, e := h.db.EnsureDefaultTenant(c.Request.Context(), u.ID, firstNonEmpty(strings.TrimSpace(body.Name), email)); e != nil {
log.Printf("[auth] 建默认租户失败 uid=%s: %v", u.ID, e)
}
issueToken(c, u)
}
// Login: POST /api/v1/auth/login {email, password} —— 校验并签发 JWT。
func (h *Handler) Login(c *gin.Context) {
var body struct {
Email string `json:"email"`
Password string `json:"password"`
}
if err := c.ShouldBindJSON(&body); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
email := strings.TrimSpace(strings.ToLower(body.Email))
u, err := h.db.GetUserByEmail(c.Request.Context(), email)
// 用户不存在与密码错误返回同一文案,避免邮箱枚举。
if err != nil || u == nil || !auth.CheckPassword(u.PasswordHash, body.Password) {
c.JSON(http.StatusUnauthorized, gin.H{"error": "邮箱或密码错误"})
return
}
issueToken(c, u)
}
// Me: GET /api/v1/auth/me —— 返回当前登录用户(无有效令牌则 401)。
func (h *Handler) Me(c *gin.Context) {
uid := userID(c)
if uid == "" || uid == "anonymous" {
c.JSON(http.StatusUnauthorized, gin.H{"error": "未登录"})
return
}
u, err := h.db.GetUserByID(c.Request.Context(), uid)
if err != nil || u == nil {
c.JSON(http.StatusUnauthorized, gin.H{"error": "未登录"})
return
}
c.JSON(http.StatusOK, gin.H{"user": userJSON(u)})
}
// issueToken 为用户签发 JWT 并返回 {token, user}。
func issueToken(c *gin.Context, u *store.User) {
token, err := auth.Issue(u.ID)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "签发令牌失败"})
return
}
c.JSON(http.StatusOK, gin.H{"token": token, "user": userJSON(u)})
}