26.9(安全审计修复版)
Go 1.27.1 (Gin+GORM) + Vue 3 文件快传服务: - 安全审计全部修复(docs/security-audit-2026-09-05.md): bcrypt 密码哈希与自动升级、presign 直传服务端大小/内容校验、 全局请求体上限、依赖升级(govulncheck 0 命中)、janitor 后台清理、 管理端审计动作落库、/admin CORS 收紧、通知内容白名单净化、 会话默认 7 天、限流缓存故障降级、robots.txt 端点等 - 前端:取件链接复制修复(不再重复拼接提取码)、markdown 净化器加固 - Redis 支持库号(FCB_REDIS_DB / redis://…/db URL) - 文档:docs/api/* 与 openapi.yaml 同步最新行为(robots.txt、 提码 5 位起、chunk 32MiB 上限、admin 审计动作等) 验证:gofmt/go vet/go test 全绿;二进制端到端冒烟通过
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package middleware
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import (
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"context"
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"net/http/httptest"
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"testing"
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"time"
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"github.com/gin-gonic/gin"
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"filecodebox/internal/cache"
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)
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// failingCache 模拟缓存故障(Get/Incr 均返回非 ErrNotFound 错误)。
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type failingCache struct{ cache.Cache }
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func (f *failingCache) Get(_ context.Context, _ string) (string, error) {
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return "", context.DeadlineExceeded
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}
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func (f *failingCache) Set(_ context.Context, _, _ string, _ time.Duration) error {
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return context.DeadlineExceeded
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}
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func (f *failingCache) Incr(_ context.Context, _ string, _ time.Duration) (int64, error) {
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return 0, context.DeadlineExceeded
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}
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func newLimiterTest(c *gin.Context, cacheImpl cache.Cache, count int) *RateLimiter {
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return NewRateLimiter(cacheImpl, map[string]LimitRule{
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LimitLogin: {Count: count, Window: time.Minute},
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})
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}
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func ginTestContext() *gin.Context {
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gin.SetMode(gin.TestMode)
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c, _ := gin.CreateTestContext(httptest.NewRecorder())
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c.Request = httptest.NewRequest("POST", "/admin/login", nil)
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return c
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}
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// TestRateLimiterFallbackOnCacheFailure L9:缓存故障时限流降级为进程内计数,
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// 超过上限后 Check 拒绝(此前 fail-open 会一直放行)。
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func TestRateLimiterFallbackOnCacheFailure(t *testing.T) {
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c := ginTestContext()
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rl := newLimiterTest(c, &failingCache{cache.NewMemory()}, 3)
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for i := 0; i < 3; i++ {
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if ok, _ := rl.Check(c, LimitLogin); !ok {
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t.Fatalf("第 %d 次检查不应拒绝", i+1)
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}
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rl.Add(c, LimitLogin)
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}
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if ok, _ := rl.Check(c, LimitLogin); ok {
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t.Fatal("缓存故障降级下,超过上限后 Check 应拒绝(fail-close)")
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}
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}
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// TestRateLimiterNormalCacheCounting 正常缓存路径行为不变。
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func TestRateLimiterNormalCacheCounting(t *testing.T) {
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c := ginTestContext()
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rl := newLimiterTest(c, cache.NewMemory(), 2)
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for i := 0; i < 2; i++ {
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rl.Add(c, LimitLogin)
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}
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if ok, _ := rl.Check(c, LimitLogin); ok {
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t.Fatal("达到上限后 Check 应拒绝")
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}
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}
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