refactor: 完成前后端认证体系重构与安全增强
本提交重构了全栈的认证与安全体系,包含以下核心变更: 1. **后端安全增强**: - 使用常量时间比较修复CSRF校验时序漏洞 - 重构refresh token存储为哈希+密文,支持轮转宽限期与盗用检测 - 新增cookie前缀自动配置,支持__Host-前缀强化生产环境安全 - 优化登出逻辑为单设备登出,合并用户信息与未读通知接口 - 增加数据库迁移脚本,兼容旧版refresh token数据升级 - 新增定时清理过期refresh token任务 2. **前端安全与体验优化**: - 新增cookie工具库,统一管理认证cookie名与转发逻辑 - 修复开放重定向漏洞,实现安全跳转校验 - 重构SSR请求逻辑,仅转发必要的access token cookie - 优化middleware轮转逻辑,修复并发请求去重与边缘部署兼容性 - 修复登录态静默校正逻辑,兼容旧版cookie路径与名称 - 新增环境变量示例配置文件 3. **工程化改进**: 修复Next.js类型文件导入路径,统一前后端配置与命名规范
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@@ -5,6 +5,7 @@ import (
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"time"
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"github.com/freefire/jiang13-bbs/middleware"
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"github.com/freefire/jiang13-bbs/model"
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"github.com/freefire/jiang13-bbs/service"
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"github.com/gin-gonic/gin"
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)
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@@ -15,14 +16,16 @@ var (
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)
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// setAuthCookies 设置认证 cookie:
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// - j13_token: access token(HttpOnly,15min)
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// - j13_refresh: refresh token(HttpOnly,7天,Path=/,供 Next middleware 在
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// 页面/RSC 请求中读取并静默轮转;HttpOnly+SameSite=Strict+CSRF 校验已足够防护)
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// - j13_csrf: CSRF token(可读,7天,与 refresh 同生命周期,确保 refresh 流程可用)
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// - access token(HttpOnly,15min)
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// - refresh token(HttpOnly,7天,Path=/,供 Next middleware 在页面/RSC
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// 请求中读取并静默轮转;仅 /api/auth/refresh 端点消费)
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// - CSRF token(JS 可读,7天,双提交校验)
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// SameSite=Lax:允许外站顶级链接进入时保留登录态(Strict 会导致从外站
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// 跳转进来的第一次请求丢 cookie,把已登录用户误判为游客);状态变更请求
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// 另有 CSRF 双提交 token 兜底。生产 HTTPS 下 cookie 名带 __Host- 前缀。
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func setAuthCookies(c *gin.Context, accessToken, refreshToken string, secure bool) {
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csrfToken := service.GenerateCSRFToken()
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// Access token cookie
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http.SetCookie(c.Writer, &http.Cookie{
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Name: service.CookieName,
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Value: accessToken,
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@@ -30,10 +33,8 @@ func setAuthCookies(c *gin.Context, accessToken, refreshToken string, secure boo
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MaxAge: accessCookieMaxAge,
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HttpOnly: true,
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Secure: secure,
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SameSite: http.SameSiteStrictMode,
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SameSite: http.SameSiteLaxMode,
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})
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// Refresh token cookie:Path=/ 以支持 SSR middleware 续期;
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// 仅 /api/auth/refresh 端点消费,其他路径不读取
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http.SetCookie(c.Writer, &http.Cookie{
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Name: service.RefreshCookieName,
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Value: refreshToken,
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@@ -41,9 +42,8 @@ func setAuthCookies(c *gin.Context, accessToken, refreshToken string, secure boo
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MaxAge: refreshCookieMaxAge,
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HttpOnly: true,
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Secure: secure,
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SameSite: http.SameSiteStrictMode,
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SameSite: http.SameSiteLaxMode,
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})
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// CSRF cookie(前端可读,放入 X-CSRF-Token header;与 refresh 同寿命以支持 refresh 流程)
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http.SetCookie(c.Writer, &http.Cookie{
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Name: service.CSRFCookieName,
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Value: csrfToken,
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@@ -51,19 +51,31 @@ func setAuthCookies(c *gin.Context, accessToken, refreshToken string, secure boo
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MaxAge: refreshCookieMaxAge,
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HttpOnly: false,
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Secure: secure,
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SameSite: http.SameSiteStrictMode,
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SameSite: http.SameSiteLaxMode,
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})
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}
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// clearAuthCookies 清除所有认证 cookie
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func clearAuthCookies(c *gin.Context) {
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// refresh cookie 同时清除两个路径:Path=/api/auth 为旧版兼容
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// clearAuthCookies 清除所有认证 cookie。
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// 除当前名称外,还需兼容清除:
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// - 启用 __Host- 前缀之前的旧无前缀名称(Path=/)
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// - 更早期 Path=/api/auth 的旧 refresh cookie
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func clearAuthCookies(c *gin.Context, secure bool) {
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cookies := []struct{ name, path string }{
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{service.CookieName, "/"},
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{service.RefreshCookieName, "/"},
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{service.RefreshCookieName, "/api/auth"},
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{service.CSRFCookieName, "/"},
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}
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// 当前生产名称带 __Host- 前缀时,旧无前缀 cookie 仍残留在浏览器中
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if service.CookieName != "j13_token" {
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cookies = append(cookies,
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struct{ name, path string }{"j13_token", "/"},
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struct{ name, path string }{"j13_refresh", "/"},
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struct{ name, path string }{"j13_csrf", "/"},
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)
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}
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// 更早期的 refresh cookie 只挂在 /api/auth 下
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cookies = append(cookies, struct{ name, path string }{"j13_refresh", "/api/auth"})
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for _, ck := range cookies {
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http.SetCookie(c.Writer, &http.Cookie{
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Name: ck.name,
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@@ -71,8 +83,8 @@ func clearAuthCookies(c *gin.Context) {
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Path: ck.path,
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MaxAge: -1,
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HttpOnly: true,
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Secure: false,
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SameSite: http.SameSiteStrictMode,
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Secure: secure,
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SameSite: http.SameSiteLaxMode,
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Expires: time.Unix(0, 0),
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})
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}
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@@ -143,7 +155,7 @@ func (h *Handlers) Refresh(c *gin.Context) {
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}
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accessToken, newRefresh, user, err := h.Auth.RotateRefreshToken(refreshToken)
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if err != nil {
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clearAuthCookies(c)
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clearAuthCookies(c, !h.Cfg.DevMode)
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c.JSON(http.StatusUnauthorized, gin.H{"error": "登录已过期,请重新登录"})
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return
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}
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@@ -159,14 +171,14 @@ func (h *Handlers) Refresh(c *gin.Context) {
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})
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}
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// Logout 登出:撤销 refresh token,清除所有认证 cookie
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// Logout 登出:仅撤销本次请求携带的那枚 refresh token(单设备登出语义,
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// 不影响该用户其他设备的登录态),并清除所有认证 cookie。
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// access JWT 无状态、15 分钟自然过期;登出后 tv 不递增,属可接受的短窗口。
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func (h *Handlers) Logout(c *gin.Context) {
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claims := middleware.CurrentUser(c)
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if claims != nil {
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// 撤销该用户所有 refresh token(防止 refresh token 被盗用)
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h.Auth.RevokeAllUserRefreshTokens(claims.ID)
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if refreshToken, err := c.Cookie(service.RefreshCookieName); err == nil && refreshToken != "" {
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h.Auth.RevokeRefreshToken(refreshToken)
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}
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clearAuthCookies(c)
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clearAuthCookies(c, !h.Cfg.DevMode)
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c.JSON(http.StatusOK, gin.H{"message": "已登出"})
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}
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@@ -189,29 +201,36 @@ func (h *Handlers) ChangePassword(c *gin.Context) {
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return
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}
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// 密码已改,token_version 已递增,旧 token 全部失效,清除 cookie 要求重新登录
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clearAuthCookies(c)
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clearAuthCookies(c, !h.Cfg.DevMode)
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c.JSON(http.StatusOK, gin.H{"message": "密码修改成功,请重新登录"})
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}
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// Me 获取当前用户信息
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// meUserBody 统一的用户信息响应体(Me/Login/Refresh 共用形状)
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func meUserBody(user *model.User) gin.H {
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return gin.H{
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"id": user.ID,
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"username": user.Username,
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"nickname": user.Nickname,
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"avatar": user.Avatar,
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"role": user.Role,
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}
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}
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// Me 获取当前用户信息 + 未读通知数(合并为一次请求,供 SSR layout 直出)
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func (h *Handlers) Me(c *gin.Context) {
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claims := middleware.CurrentUser(c)
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if claims == nil {
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c.JSON(http.StatusOK, gin.H{"user": nil})
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c.JSON(http.StatusOK, gin.H{"user": nil, "unread_count": 0})
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return
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}
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user, err := h.Auth.GetUserByID(claims.ID)
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if err != nil {
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c.JSON(http.StatusOK, gin.H{"user": nil})
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c.JSON(http.StatusOK, gin.H{"user": nil, "unread_count": 0})
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"user": gin.H{
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"id": user.ID,
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"username": user.Username,
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"nickname": user.Nickname,
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"avatar": user.Avatar,
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"role": user.Role,
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},
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})
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var unread int64
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if n, err := h.Notification.UnreadCount(claims.ID); err == nil {
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unread = n
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}
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c.JSON(http.StatusOK, gin.H{"user": meUserBody(user), "unread_count": unread})
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}
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