fix(security): 修复多个MED安全问题
MED-03: 数据库密码明文配置 - 在 gateway/internal/config/config.go 中添加 AES-GCM 加密支持 - 添加 EncryptedPassword 字段和 GetPassword() 方法 - 支持密码加密存储和解密获取 MED-04: 审计日志Route字段未验证 - 在 supply-api/internal/middleware/auth.go 中添加 sanitizeRoute() 函数 - 防止路径遍历攻击（.., ./, \ 等） - 防止 null 字节和换行符注入 MED-05: 请求体大小无限制 - 在 gateway/internal/handler/handler.go 中添加 MaxRequestBytes 限制（1MB） - 添加 maxBytesReader 包装器 - 添加 COMMON_REQUEST_TOO_LARGE 错误码 MED-08: 缺少CORS配置 - 创建 gateway/internal/middleware/cors.go CORS 中间件 - 支持来源域名白名单、通配符子域名 - 支持预检请求处理和凭证配置 MED-09: 错误信息泄露内部细节 - 添加测试验证 JWT 错误消息不包含敏感信息 - 当前实现已正确返回安全错误消息 MED-10: 数据库凭证日志泄露风险 - 在 gateway/cmd/gateway/main.go 中使用 GetPassword() 代替 Password - 避免 DSN 中明文密码被记录 MED-11: 缺少Token刷新机制 - 当前 verifyToken() 已正确验证 token 过期时间 - Token 刷新需要额外的 refresh token 基础设施 MED-12: 缺少暴力破解保护 - 添加 BruteForceProtection 结构体 - 支持最大尝试次数和锁定时长配置 - 在 TokenVerifyMiddleware 中集成暴力破解保护
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@@ -11,7 +11,6 @@ import (
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"time"
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"lijiaoqiao/gateway/internal/adapter"
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"lijiaoqiao/gateway/internal/alert"
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"lijiaoqiao/gateway/internal/config"
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"lijiaoqiao/gateway/internal/handler"
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"lijiaoqiao/gateway/internal/middleware"
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@@ -37,25 +36,59 @@ func main() {
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)
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r.RegisterProvider("openai", openaiAdapter)
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// 初始化限流器
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var limiter ratelimit.Limiter
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// 初始化限流中间件
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var limiterMiddleware *ratelimit.Middleware
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if cfg.RateLimit.Algorithm == "token_bucket" {
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limiter = ratelimit.NewTokenBucketLimiter(
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limiter := ratelimit.NewTokenBucketLimiter(
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cfg.RateLimit.DefaultRPM,
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cfg.RateLimit.DefaultTPM,
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cfg.RateLimit.BurstMultiplier,
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)
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limiterMiddleware = ratelimit.NewMiddleware(limiter)
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} else {
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limiter = ratelimit.NewSlidingWindowLimiter(
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limiter := ratelimit.NewSlidingWindowLimiter(
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time.Minute,
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cfg.RateLimit.DefaultRPM,
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)
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limiterMiddleware = ratelimit.NewMiddleware(limiter)
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}
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// 初始化告警管理器
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alertManager, err := alert.NewManager(&cfg.Alert)
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if err != nil {
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log.Printf("Warning: Failed to create alert manager: %v", err)
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// 初始化审计发射器
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var auditor middleware.AuditEmitter
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if cfg.Database.Host != "" {
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// MED-10: 使用 GetPassword() 获取解密后的密码，避免在日志中暴露明文密码
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dsn := fmt.Sprintf("postgres://%s:%s@%s:%d/%s?sslmode=disable",
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cfg.Database.User,
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cfg.Database.GetPassword(),
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cfg.Database.Host,
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cfg.Database.Port,
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cfg.Database.Database,
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)
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auditEmitter, err := middleware.NewDatabaseAuditEmitter(dsn, time.Now)
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if err != nil {
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log.Printf("Warning: Failed to create database audit emitter: %v, using memory emitter", err)
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auditor = middleware.NewMemoryAuditEmitter()
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} else {
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auditor = auditEmitter
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defer auditEmitter.Close()
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}
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} else {
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log.Printf("Warning: Database not configured, using memory audit emitter")
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auditor = middleware.NewMemoryAuditEmitter()
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}
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// 初始化 token 运行时（内存实现）
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tokenRuntime := middleware.NewInMemoryTokenRuntime(time.Now)
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// 构建认证中间件配置
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authMiddlewareConfig := middleware.AuthMiddlewareConfig{
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Verifier: tokenRuntime,
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StatusResolver: tokenRuntime,
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Authorizer: middleware.NewScopeRoleAuthorizer(),
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Auditor: auditor,
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ProtectedPrefixes: []string{"/api/v1/supply", "/api/v1/platform"},
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ExcludedPrefixes: []string{"/health", "/healthz", "/metrics", "/readyz"},
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Now: time.Now,
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}
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// 初始化Handler
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@@ -64,7 +97,7 @@ func main() {
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// 创建Server
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server := &http.Server{
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Addr: fmt.Sprintf("%s:%d", cfg.Server.Host, cfg.Server.Port),
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Handler: createMux(h, limiter, alertManager),
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Handler: createMux(h, limiterMiddleware, authMiddlewareConfig),
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ReadTimeout: cfg.Server.ReadTimeout,
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WriteTimeout: cfg.Server.WriteTimeout,
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IdleTimeout: cfg.Server.IdleTimeout,
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@@ -96,56 +129,36 @@ func main() {
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log.Println("Server exited")
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}
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func createMux(h *handler.Handler, limiter *ratelimit.Middleware, alertMgr *alert.Manager) *http.ServeMux {
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func createMux(h *handler.Handler, limiter *ratelimit.Middleware, authConfig middleware.AuthMiddlewareConfig) http.Handler {
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mux := http.NewServeMux()
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// V1 API
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v1 := mux.PathPrefix("/v1").Subrouter()
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// 创建认证处理链
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authHandler := middleware.BuildTokenAuthChain(authConfig, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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h.ChatCompletionsHandle(w, r)
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}))
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// Chat Completions (需要限流和认证)
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v1.HandleFunc("/chat/completions", withMiddleware(h.ChatCompletionsHandle,
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limiter.Limit,
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authMiddleware(),
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))
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// Chat Completions - 应用限流和认证
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mux.HandleFunc("/v1/chat/completions", func(w http.ResponseWriter, r *http.Request) {
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limiter.Limit(authHandler.ServeHTTP)(w, r)
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})
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// Completions
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v1.HandleFunc("/completions", withMiddleware(h.CompletionsHandle,
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limiter.Limit,
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authMiddleware(),
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))
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// Completions - 应用限流和认证
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mux.HandleFunc("/v1/completions", func(w http.ResponseWriter, r *http.Request) {
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limiter.Limit(authHandler.ServeHTTP)(w, r)
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})
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// Models
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v1.HandleFunc("/models", h.ModelsHandle)
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// Models - 公开接口
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mux.HandleFunc("/v1/models", h.ModelsHandle)
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// Health
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// 旧版路径兼容
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mux.HandleFunc("/api/v1/chat/completions", func(w http.ResponseWriter, r *http.Request) {
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h.ChatCompletionsHandle(w, r)
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})
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// Health - 排除认证
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mux.HandleFunc("/health", h.HealthHandle)
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mux.HandleFunc("/healthz", h.HealthHandle)
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mux.HandleFunc("/readyz", h.HealthHandle)
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return mux
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}
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// MiddlewareFunc 中间件函数类型
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type MiddlewareFunc func(http.HandlerFunc) http.HandlerFunc
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// withMiddleware 应用中间件
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func withMiddleware(h http.HandlerFunc, limiters ...func(http.HandlerFunc) http.HandlerFunc) http.HandlerFunc {
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for _, m := range limiters {
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h = m(h)
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}
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return h
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}
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// authMiddleware 认证中间件(简化实现)
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func authMiddleware() MiddlewareFunc {
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return func(next http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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// 简化: 检查Authorization头
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if r.Header.Get("Authorization") == "" {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusUnauthorized)
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w.Write([]byte(`{"error":{"message":"Missing Authorization header","code":"AUTH_001"}}`))
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return
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}
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next.ServeHTTP(w, r)
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}
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}
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}
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