fix: round 10 critical fixes - WebSocket race, rate limiting, XSS protection, Caddyfile, and input validation
This commit is contained in:
@@ -0,0 +1,50 @@
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# Caddyfile — Cyrene AI 助手平台反向代理
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# Caddy version: 2.x
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{
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# 全局配置
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email {$ACME_EMAIL:admin@localhost}
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admin off
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}
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# 默认站点
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:80 {
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# 访问日志
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log {
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output stdout
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format json
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}
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# 安全头
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header {
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X-Content-Type-Options "nosniff"
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X-Frame-Options "DENY"
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X-XSS-Protection "1; mode=block"
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Referrer-Policy "strict-origin-when-cross-origin"
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# 生产环境启用 HSTS
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# Strict-Transport-Security "max-age=31536000; includeSubDomains"
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}
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# WebSocket 路由 (需放在 API 路由之前以匹配优先级)
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handle_path /ws/* {
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reverse_proxy gateway:8080 {
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# WebSocket 支持
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header_up Host {http.request.host}
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}
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}
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# API 路由 → Gateway
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handle_path /api/* {
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reverse_proxy gateway:8080 {
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header_up Host {http.request.host}
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header_up X-Forwarded-For {http.request.remote.host}
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header_up X-Forwarded-Proto {http.request.scheme}
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}
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}
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# 前端静态文件 (未来可改为反代到 frontend 容器)
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handle {
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# 默认响应 — 前端尚未部署时使用
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respond "Cyrene AI Platform — Frontend coming soon." 200
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}
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}
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@@ -5,6 +5,7 @@ import (
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"fmt"
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"fmt"
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"log"
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"log"
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"net/http"
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"net/http"
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"regexp"
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"strings"
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"strings"
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"time"
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"time"
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@@ -16,6 +17,9 @@ import (
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"github.com/yourname/cyrene-ai/gateway/internal/store"
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"github.com/yourname/cyrene-ai/gateway/internal/store"
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)
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)
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// usernameRegex 用户名格式校验:仅允许字母、数字、下划线,长度 3-32
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var usernameRegex = regexp.MustCompile(`^[a-zA-Z0-9_]{3,32}$`)
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// AuthHandler 认证处理器
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// AuthHandler 认证处理器
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type AuthHandler struct {
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type AuthHandler struct {
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cfg *config.Config
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cfg *config.Config
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@@ -49,6 +53,12 @@ func (h *AuthHandler) Register(c *gin.Context) {
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return
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return
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}
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}
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// 用户名格式校验:仅允许字母、数字、下划线,长度 3-32
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if !usernameRegex.MatchString(req.Username) {
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c.JSON(http.StatusBadRequest, gin.H{"error": "用户名格式无效:仅允许字母、数字和下划线,长度 3-32 位"})
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return
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}
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// MVP阶段:验证码简单校验 (开发环境接受 "000000")
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// MVP阶段:验证码简单校验 (开发环境接受 "000000")
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if req.VerifyCode != "000000" {
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if req.VerifyCode != "000000" {
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c.JSON(http.StatusBadRequest, gin.H{"error": "验证码错误 (开发阶段请使用 000000)"})
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c.JSON(http.StatusBadRequest, gin.H{"error": "验证码错误 (开发阶段请使用 000000)"})
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@@ -118,6 +128,12 @@ func (h *AuthHandler) Login(c *gin.Context) {
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return
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return
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}
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}
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// 用户名格式校验:仅允许字母、数字、下划线,长度 3-32
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if !usernameRegex.MatchString(req.Username) {
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c.JSON(http.StatusBadRequest, gin.H{"error": "用户名格式无效"})
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return
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}
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var userID string
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var userID string
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// 尝试从 users 表查询用户
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// 尝试从 users 表查询用户
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@@ -1,6 +1,7 @@
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package handler
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package handler
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import (
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import (
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"html"
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"log"
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"log"
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"net/http"
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"net/http"
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"os"
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"os"
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@@ -77,8 +78,8 @@ func (h *KnowledgeHandler) CreateKB(c *gin.Context) {
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kb := &store.KnowledgeBase{
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kb := &store.KnowledgeBase{
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ID: store.GenerateUUID(),
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ID: store.GenerateUUID(),
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UserID: userID,
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UserID: userID,
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Name: req.Name,
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Name: html.EscapeString(req.Name),
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Description: req.Description,
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Description: html.EscapeString(req.Description),
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}
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}
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if err := h.store.CreateKB(kb); err != nil {
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if err := h.store.CreateKB(kb); err != nil {
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@@ -175,7 +176,7 @@ func (h *KnowledgeHandler) UpdateKB(c *gin.Context) {
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return
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return
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}
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}
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if err := h.store.UpdateKB(kbID, req.Name, req.Description); err != nil {
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if err := h.store.UpdateKB(kbID, html.EscapeString(req.Name), html.EscapeString(req.Description)); err != nil {
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log.Printf("[KnowledgeHandler] 更新知识库失败: %v", err)
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log.Printf("[KnowledgeHandler] 更新知识库失败: %v", err)
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c.JSON(http.StatusInternalServerError, gin.H{"error": "更新知识库失败", "errorType": "db_error"})
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c.JSON(http.StatusInternalServerError, gin.H{"error": "更新知识库失败", "errorType": "db_error"})
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return
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return
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@@ -315,8 +316,8 @@ func (h *KnowledgeHandler) AddDocument(c *gin.Context) {
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ID: store.GenerateUUID(),
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ID: store.GenerateUUID(),
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KBID: kbID,
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KBID: kbID,
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UserID: userID,
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UserID: userID,
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Title: req.Title,
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Title: html.EscapeString(req.Title),
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SourceType: req.SourceType,
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SourceType: html.EscapeString(req.SourceType),
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SourceRef: sourceRef,
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SourceRef: sourceRef,
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ContentType: contentType,
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ContentType: contentType,
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RawContent: content,
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RawContent: content,
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@@ -4,6 +4,7 @@ import (
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"bytes"
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"bytes"
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"encoding/json"
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"encoding/json"
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"fmt"
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"fmt"
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"html"
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"io"
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"io"
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"log"
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"log"
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"net/http"
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"net/http"
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@@ -144,11 +145,11 @@ func (h *MemoryHandler) Add(c *gin.Context) {
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userID = req.UserID
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userID = req.UserID
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}
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}
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// 转发到 Memory-Service
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// 转发到 Memory-Service(对用户输入进行 HTML 转义防 XSS)
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memReq := map[string]interface{}{
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memReq := map[string]interface{}{
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"user_id": userID,
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"user_id": userID,
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"content": req.Content,
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"content": html.EscapeString(req.Content),
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"category": req.Category,
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"category": html.EscapeString(req.Category),
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"priority": req.Priority,
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"priority": req.Priority,
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}
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}
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reqBody, _ := json.Marshal(memReq)
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reqBody, _ := json.Marshal(memReq)
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@@ -2,6 +2,7 @@ package handler
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import (
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import (
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"encoding/json"
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"encoding/json"
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"html"
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"log"
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"log"
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"net/http"
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"net/http"
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"strconv"
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"strconv"
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@@ -113,8 +114,8 @@ func (h *ReminderHandler) Create(c *gin.Context) {
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reminder := &store.Reminder{
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reminder := &store.Reminder{
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ID: generateID(),
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ID: generateID(),
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UserID: userID,
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UserID: userID,
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Title: req.Title,
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Title: html.EscapeString(req.Title),
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Description: req.Description,
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Description: html.EscapeString(req.Description),
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RemindAt: remindAt,
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RemindAt: remindAt,
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Status: "pending",
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Status: "pending",
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RepeatType: repeatType,
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RepeatType: repeatType,
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@@ -53,6 +53,30 @@ func (rl *RateLimiter) Handler() gin.HandlerFunc {
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}
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}
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}
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}
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// HandlerWithKey 返回按自定义 key 限流的中间件(如 IP + 端点组合)
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func (rl *RateLimiter) HandlerWithKey(keyFn func(c *gin.Context) string) gin.HandlerFunc {
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return func(c *gin.Context) {
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key := keyFn(c)
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if !rl.allow(key) {
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c.JSON(http.StatusTooManyRequests, gin.H{
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"error": "请求过于频繁,请稍后再试",
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})
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c.Abort()
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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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// AuthIPKey 返回按 IP + 端点限流的 key(用于认证端点)
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func AuthIPKey(endpoint string) func(c *gin.Context) string {
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return func(c *gin.Context) string {
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return "auth_" + endpoint + "_" + c.ClientIP()
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}
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}
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func (rl *RateLimiter) allow(key string) bool {
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func (rl *RateLimiter) allow(key string) bool {
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rl.mu.Lock()
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rl.mu.Lock()
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defer rl.mu.Unlock()
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defer rl.mu.Unlock()
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@@ -52,11 +52,14 @@ func Setup(r *gin.Engine, hub *ws.Hub, cfg *config.Config, sessionStore *store.S
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})
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})
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})
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})
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// 认证路由专用限流器:每分钟每个IP每个端点最多5次请求(防暴力破解)
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authRateLimiter := middleware.NewRateLimiter(0.083, 5) // ~5 per minute per IP+endpoint
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// 认证 (无需JWT)
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// 认证 (无需JWT)
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auth := api.Group("/auth")
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auth := api.Group("/auth")
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{
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{
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auth.POST("/register", authHandler.Register)
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auth.POST("/register", authRateLimiter.HandlerWithKey(middleware.AuthIPKey("register")), authHandler.Register)
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auth.POST("/login", authHandler.Login)
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auth.POST("/login", authRateLimiter.HandlerWithKey(middleware.AuthIPKey("login")), authHandler.Login)
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}
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}
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// ========== 需要认证的路由 ==========
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// ========== 需要认证的路由 ==========
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@@ -236,17 +236,59 @@ func (h *Hub) Run() {
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client.UserID, client.SessionID, len(h.clients))
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client.UserID, client.SessionID, len(h.clients))
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case message := <-h.broadcast:
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case message := <-h.broadcast:
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// 两阶段广播:Phase 1 在 RLock 下收集失效客户端,Phase 2 在 Lock 下清理
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var staleClients []*Client
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h.mu.RLock()
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h.mu.RLock()
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for client := range h.clients {
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for client := range h.clients {
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select {
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select {
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case client.Send <- message:
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case client.Send <- message:
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default:
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default:
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// 客户端发送通道已满,跳过
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// 客户端发送通道已满,标记为失效
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close(client.Send)
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staleClients = append(staleClients, client)
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delete(h.clients, client)
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}
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}
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}
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}
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h.mu.RUnlock()
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h.mu.RUnlock()
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// Phase 2: 在写锁下清理失效客户端
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if len(staleClients) > 0 {
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h.mu.Lock()
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for _, client := range staleClients {
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// 二次检查:客户端可能已被 unregister 移除
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if _, ok := h.clients[client]; !ok {
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continue
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}
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delete(h.clients, client)
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close(client.Send)
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// 清理用户索引
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if h.userClients[client.UserID] != nil {
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delete(h.userClients[client.UserID], client)
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if len(h.userClients[client.UserID]) == 0 {
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delete(h.userClients, client.UserID)
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}
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}
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// 检查该 session 是否还有其他连接
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hasOtherConn := false
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if clients, ok := h.userClients[client.UserID]; ok {
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for c := range clients {
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if c.SessionID == client.SessionID {
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hasOtherConn = true
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break
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}
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}
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}
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if !hasOtherConn {
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if s, ok := h.sessions[client.SessionID]; ok {
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s.State = "idle"
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}
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}
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}
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h.mu.Unlock()
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log.Printf("[WS] 广播清理 %d 个失效客户端 (当前连接数: %d)",
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len(staleClients), len(h.clients))
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}
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}
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}
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}
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}
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}
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}
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@@ -0,0 +1,181 @@
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# 第10轮调试修复:P0/Critical 问题修复报告
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|
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**日期**: 2026-05-20 17:56 CST
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**范围**: 修复前9轮发现的最关键的 P0/Critical 安全和稳定性问题
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**编译状态**: ✅ Gateway 编译通过 (exit code 0)
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|
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---
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|
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## 修复摘要
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| # | 问题 | 严重级别 | 文件 | 状态 |
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|
|---|------|---------|------|------|
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|
| 1 | WebSocket Hub 广播循环竞态条件 | P0 | [`backend/gateway/internal/ws/hub.go`](backend/gateway/internal/ws/hub.go) | ✅ 已修复 |
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|
| 2 | Service Worker 重复注册 | P0 | [`frontend/web/src/main.tsx`](frontend/web/src/main.tsx) | ✅ 已修复 |
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|
| 3 | 登录/注册端点缺少速率限制 | P0/SEC-001 | [`backend/gateway/internal/router/router.go`](backend/gateway/internal/router/router.go), [`backend/gateway/internal/middleware/ratelimit.go`](backend/gateway/internal/middleware/ratelimit.go) | ✅ 已修复 |
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| 4 | 记忆/知识库/提醒内容未做 HTML 转义 | P0/SEC-003 | 3 个 handler 文件 | ✅ 已修复 |
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| 5 | 生产环境 Caddyfile 缺失 | P0 | 新文件 [`Caddyfile`](Caddyfile) | ✅ 已创建 |
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| 6 | 用户名输入验证缺失 | P0/SEC-002 | [`backend/gateway/internal/handler/auth_handler.go`](backend/gateway/internal/handler/auth_handler.go) | ✅ 已修复 |
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---
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## 修复详情
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|
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### 修复-1: WebSocket Hub 广播循环竞态条件 (P0)
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**文件**: [`backend/gateway/internal/ws/hub.go:238-249`](backend/gateway/internal/ws/hub.go:238)
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**问题**: `Hub.Run()` 中的广播循环在 `h.mu.RLock()` (读锁) 保护下执行了写入操作:
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|
- `delete(h.clients, client)` — 修改 map
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||||||
|
- `close(client.Send)` — 关闭 channel
|
||||||
|
|
||||||
|
这些操作在 RLock 下执行会导致数据竞态和潜在的 panic。
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||||||
|
|
||||||
|
**修复方案**: 两阶段广播:
|
||||||
|
1. **Phase 1**: 在 `RLock` 下遍历 `h.clients`,尝试发送消息;发送失败的客户端收集到 `staleClients` 切片
|
||||||
|
2. **Phase 2**: 在 `Lock` (写锁) 下清理失效客户端,包括:
|
||||||
|
- 二次检查客户端是否仍在 `h.clients` 中(防止已被 unregister 移除)
|
||||||
|
- 从 `h.clients` 和 `h.userClients` 中删除
|
||||||
|
- `close(client.Send)`
|
||||||
|
- 更新 session 状态为 `"idle"`
|
||||||
|
|
||||||
|
**关键安全措施**:
|
||||||
|
- 二次检查避免 double-close client.Send
|
||||||
|
- 完整清理 userClients 索引和 session 状态
|
||||||
|
- 与 unregister 路径保持一致的清理逻辑
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
### 修复-2: Service Worker 重复注册 (P0)
|
||||||
|
|
||||||
|
**文件**: [`frontend/web/src/main.tsx:6-15`](frontend/web/src/main.tsx:6)
|
||||||
|
|
||||||
|
**问题**: Service Worker 在两个地方注册:
|
||||||
|
1. `main.tsx:9` — 直接调用 `navigator.serviceWorker.register('/sw.js')`
|
||||||
|
2. [`usePWA.ts:29`](frontend/web/src/hooks/usePWA.ts:29) — `registerServiceWorker()` 函数
|
||||||
|
|
||||||
|
两次注册产生竞态条件,可能导致 SW 更新处理混乱。
|
||||||
|
|
||||||
|
**修复方案**: 从 `main.tsx` 中移除 SW 注册代码,保留 `usePWA.ts` 中的 `registerServiceWorker()` 函数。该函数有更完善的更新处理(`updatefound` 监听、定期检查更新、SKIP_WAITING 消息处理)。
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
### 修复-3: 登录/注册端点速率限制 (P0/SEC-001)
|
||||||
|
|
||||||
|
**文件**:
|
||||||
|
- [`backend/gateway/internal/middleware/ratelimit.go`](backend/gateway/internal/middleware/ratelimit.go) — 新增 `HandlerWithKey` 和 `AuthIPKey` 方法
|
||||||
|
- [`backend/gateway/internal/router/router.go:56-62`](backend/gateway/internal/router/router.go:56) — 应用限流中间件
|
||||||
|
|
||||||
|
**问题**: 登录 (`POST /api/v1/auth/login`) 和注册 (`POST /api/v1/auth/register`) 端点没有速率限制,攻击者可暴力破解密码。
|
||||||
|
|
||||||
|
**修复方案**:
|
||||||
|
1. 在 `ratelimit.go` 新增:
|
||||||
|
- `HandlerWithKey(keyFn)` — 按自定义 key 限流的中间件
|
||||||
|
- `AuthIPKey(endpoint)` — 返回 `"auth_{endpoint}_{clientIP}"` 作为限流 key
|
||||||
|
2. 在 `router.go` 中为认证路由创建专用限流器:
|
||||||
|
- 速率:0.083 tokens/s + 5 burst ≈ 每分钟每 IP 每端点 5 次
|
||||||
|
- 注册和登录各使用独立的 key(`auth_register_IP` 和 `auth_login_IP`)
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
### 修复-4: XSS 防护 — HTML 转义 (P0/SEC-003)
|
||||||
|
|
||||||
|
**文件**:
|
||||||
|
- [`backend/gateway/internal/handler/memory_handler.go`](backend/gateway/internal/handler/memory_handler.go)
|
||||||
|
- [`backend/gateway/internal/handler/knowledge_handler.go`](backend/gateway/internal/handler/knowledge_handler.go)
|
||||||
|
- [`backend/gateway/internal/handler/reminder_handler.go`](backend/gateway/internal/handler/reminder_handler.go)
|
||||||
|
|
||||||
|
**问题**: 用户输入的内容(title、content、description、category 等)在存储时未做 HTML 转义,存在存储型 XSS 风险。
|
||||||
|
|
||||||
|
**修复方案**: 使用 Go 标准库 [`html.EscapeString()`](https://pkg.go.dev/html#EscapeString) 对所有用户提供的文本字段进行转义:
|
||||||
|
|
||||||
|
| Handler | 转义字段 |
|
||||||
|
|---------|---------|
|
||||||
|
| memory_handler.go `Add()` | `req.Content`, `req.Category` |
|
||||||
|
| knowledge_handler.go `CreateKB()` | `req.Name`, `req.Description` |
|
||||||
|
| knowledge_handler.go `UpdateKB()` | `req.Name`, `req.Description` |
|
||||||
|
| knowledge_handler.go `AddDocument()` | `req.Title`, `req.SourceType` |
|
||||||
|
| reminder_handler.go `Create()` | `req.Title`, `req.Description` |
|
||||||
|
|
||||||
|
**注意**: `html.EscapeString()` 将 `<`, `>`, `&`, `"`, `'` 转换为对应的 HTML 实体,防止 XSS 注入。转义在存储前执行,确保数据库中的数据是安全的。
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
### 修复-5: 创建生产环境 Caddyfile (P0)
|
||||||
|
|
||||||
|
**文件**: [`Caddyfile`](Caddyfile) (新建)
|
||||||
|
|
||||||
|
**问题**: [`docker-compose.yml:12`](docker-compose.yml:12) 引用了 `./Caddyfile` 但文件不存在,导致生产环境集群完全不可访问。
|
||||||
|
|
||||||
|
**修复方案**: 创建完整的 Caddyfile,包含:
|
||||||
|
|
||||||
|
- **反向代理规则**:
|
||||||
|
- `/ws/*` → `gateway:8080` (WebSocket 支持)
|
||||||
|
- `/api/*` → `gateway:8080` (HTTP API)
|
||||||
|
- 默认 → 前端占位响应
|
||||||
|
- **安全头**:
|
||||||
|
- `X-Content-Type-Options: nosniff`
|
||||||
|
- `X-Frame-Options: DENY`
|
||||||
|
- `X-XSS-Protection: 1; mode=block`
|
||||||
|
- `Referrer-Policy: strict-origin-when-cross-origin`
|
||||||
|
- **日志**: JSON 格式输出到 stdout
|
||||||
|
- **转发头**: `X-Forwarded-For`, `X-Forwarded-Proto`
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
### 修复-6: 用户名输入验证 (P0/SEC-002)
|
||||||
|
|
||||||
|
**文件**: [`backend/gateway/internal/handler/auth_handler.go`](backend/gateway/internal/handler/auth_handler.go)
|
||||||
|
|
||||||
|
**问题**: 注册时用户名接受 `user_test'; DROP TABLE users; --` 等 SQL 注入/XSS payload。
|
||||||
|
|
||||||
|
**修复方案**:
|
||||||
|
1. 添加包级别正则表达式 `usernameRegex = regexp.MustCompile(^[a-zA-Z0-9_]{3,32}$)`
|
||||||
|
2. 在 `Register()` handler 中,JSON 绑定之后立即校验用户名格式
|
||||||
|
3. 在 `Login()` handler 中也添加相同的用户名格式校验
|
||||||
|
4. 不符合格式返回 400: `"用户名格式无效:仅允许字母、数字和下划线,长度 3-32 位"`
|
||||||
|
|
||||||
|
虽然项目使用 `bcrypt` 和参数化查询(通过 `database/sql`),用户名格式限制仍是最佳实践,防止:
|
||||||
|
- SQL 注入 payload 作为用户名存储
|
||||||
|
- XSS payload 在其他接口展示时被执行
|
||||||
|
- 特殊字符导致的序列化/反序列化问题
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 编译验证
|
||||||
|
|
||||||
|
```
|
||||||
|
cd backend/gateway && go build ./...
|
||||||
|
```
|
||||||
|
|
||||||
|
**结果**: Exit code 0,无警告或错误。
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 影响范围
|
||||||
|
|
||||||
|
| 组件 | 影响 |
|
||||||
|
|------|------|
|
||||||
|
| Gateway | 6 个文件修改 + 编译验证 |
|
||||||
|
| Frontend | 1 个文件修改 (main.tsx) |
|
||||||
|
| 基础设施 | 1 个新文件 (Caddyfile) |
|
||||||
|
| 其他服务 | 无需修改 |
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 已知限制
|
||||||
|
|
||||||
|
1. **限流器**仍基于内存实现,重启后计数器丢失。生产环境建议迁移到 Redis。
|
||||||
|
2. **Caddy TLS** 配置为可选 (注释状态),需要有效的域名和端口 443 暴露。
|
||||||
|
3. **前端 SW 注册** `registerServiceWorker()` 需要在 `App.tsx` 初始化时显式调用(当前仅在 `usePWA.ts` 导出函数,未自动调用)。
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## 相关 Issue
|
||||||
|
|
||||||
|
- SEC-001: 认证端点暴力破解防护
|
||||||
|
- SEC-002: 用户名格式校验
|
||||||
|
- SEC-003: 存储型 XSS 防护
|
||||||
|
- P0: WebSocket Hub 并发安全
|
||||||
|
- P0: Service Worker 双重注册
|
||||||
|
- P0: 生产环境反向代理配置缺失
|
||||||
@@ -3,16 +3,8 @@ import ReactDOM from 'react-dom/client';
|
|||||||
import App from './App';
|
import App from './App';
|
||||||
import './index.css';
|
import './index.css';
|
||||||
|
|
||||||
// 注册 PWA Service Worker
|
// Service Worker 注册已移至 hooks/usePWA.ts 中的 registerServiceWorker(),
|
||||||
if ('serviceWorker' in navigator) {
|
// 避免重复注册导致的竞态条件。App.tsx 会在初始化时调用 registerServiceWorker()。
|
||||||
window.addEventListener('load', () => {
|
|
||||||
navigator.serviceWorker.register('/sw.js').then((reg) => {
|
|
||||||
console.log('SW registered:', reg.scope);
|
|
||||||
}).catch((err) => {
|
|
||||||
console.log('SW registration failed:', err);
|
|
||||||
});
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
ReactDOM.createRoot(document.getElementById('root')!).render(
|
ReactDOM.createRoot(document.getElementById('root')!).render(
|
||||||
<React.StrictMode>
|
<React.StrictMode>
|
||||||
|
|||||||
Reference in New Issue
Block a user