91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
package middleware
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import (
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"net/http"
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"strings"
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"metazone.cc/mce/internal/common"
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"metazone.cc/mce/internal/config"
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"metazone.cc/mce/internal/model"
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"metazone.cc/mce/internal/session"
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"github.com/gin-gonic/gin"
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)
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// MaintenanceMiddleware 维护模式中间件：维护期间仅站长（Owner）可访问
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type MaintenanceMiddleware struct {
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cfg *config.Config
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siteSettings *config.SiteSettings
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sessionManager *session.Manager
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}
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// NewMaintenanceMiddleware 构造函数
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func NewMaintenanceMiddleware(cfg *config.Config, siteSettings *config.SiteSettings, sm *session.Manager) *MaintenanceMiddleware {
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return &MaintenanceMiddleware{cfg: cfg, siteSettings: siteSettings, sessionManager: sm}
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}
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// Handler 返回 Gin 中间件处理函数
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func (mm *MaintenanceMiddleware) Handler() gin.HandlerFunc {
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return func(c *gin.Context) {
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// 未启用维护模式 → 放行
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if !mm.siteSettings.IsMaintenanceEnabled() {
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c.Next()
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return
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}
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path := c.Request.URL.Path
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// 白名单：登录相关页面和 API 始终可访问
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if isMaintenanceWhitelist(path) {
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c.Next()
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return
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}
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// 读取 session cookie 并验证
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sid, err := c.Cookie(common.SessionCookieName)
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if err != nil || sid == "" {
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blockAccess(c, path)
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return
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}
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s, err := mm.sessionManager.Validate(sid)
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if err != nil || s == nil {
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blockAccess(c, path)
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return
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}
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if !model.HasMinRole(s.Role, model.RoleOwner) {
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blockAccess(c, path)
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return
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}
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c.Next()
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}
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}
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// isMaintenanceWhitelist 判断路径是否在维护白名单中
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func isMaintenanceWhitelist(path string) bool {
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if path == "/auth/login" || strings.HasPrefix(path, "/api/auth/") {
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return true
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}
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if strings.HasPrefix(path, "/static/") || strings.HasPrefix(path, "/shared/") {
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return true
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}
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if path == "/favicon.ico" || path == "/favicon.svg" {
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return true
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}
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return false
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}
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// blockAccess 根据请求类型阻止访问
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func blockAccess(c *gin.Context, path string) {
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if strings.HasPrefix(path, "/api/") || strings.HasPrefix(path, "/admin/api/") {
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c.AbortWithStatusJSON(http.StatusForbidden, gin.H{
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"success": false,
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"message": "社区正在维护中，仅站长可访问",
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})
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return
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}
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common.RedirectToLogin(c)
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}
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