fix: 审查修复波次(P0x4 + P1x30+)
- domain/rules: 计分与排名解耦、破纪录按组别、tieBreak 生效、调整分不丢、移除 aggregate 假能力 - realtime: 新建 internal/dto,快照三项契约对齐,/ws 只认会话身份 - httpapi: 流水幂等、standings 整表载荷、广播接线、强制改密、XFF 防伪造、records 写入、审计、赛事包内容、发布前备份、result.points、实例列表 - web: FormData 上传、YAML 解析、快照归一化、大屏解析层、bootstrap 降级、访客判定、主题切换 - console: 优雅关闭握手、中文化、免验证改管理员账号、选屏与日志轮转修复 - docs: 用户文档三份 + README - 主代理: 破纪录加分接线(levels 未加载导致恒 0)
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@@ -3,9 +3,11 @@ package middleware
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import (
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"context"
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"fmt"
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"net"
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"net/http"
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"strings"
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"sync/atomic"
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"git.yeij.top/AskaEth/Scoreboard/server/internal/auth"
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)
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@@ -39,19 +41,86 @@ func GetRequestID(ctx context.Context) string {
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return ""
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}
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// ClientIP 从代理头或连接地址解析客户端 IP。
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func ClientIP(r *http.Request) string {
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if xff := r.Header.Get("X-Forwarded-For"); xff != "" {
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if first := strings.TrimSpace(strings.Split(xff, ",")[0]); first != "" {
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return first
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// trustedProxies 是可信代理网段白名单;默认空,表示任何代理头都不可信。
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var trustedProxies atomic.Pointer[[]*net.IPNet]
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// SetTrustedProxies 配置可信代理(IP 或 CIDR 列表);传空表示不信任任何代理头。
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func SetTrustedProxies(entries []string) error {
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nets := make([]*net.IPNet, 0, len(entries))
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for _, raw := range entries {
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entry := strings.TrimSpace(raw)
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if entry == "" {
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continue
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}
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if strings.Contains(entry, "/") {
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_, n, err := net.ParseCIDR(entry)
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if err != nil {
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return fmt.Errorf("middleware: 非法可信代理 %q: %w", entry, err)
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}
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nets = append(nets, n)
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continue
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}
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ip := net.ParseIP(entry)
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if ip == nil {
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return fmt.Errorf("middleware: 非法可信代理 %q", entry)
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}
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bits := 128
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if ip.To4() != nil {
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bits = 32
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}
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nets = append(nets, &net.IPNet{IP: ip, Mask: net.CIDRMask(bits, bits)})
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}
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trustedProxies.Store(&nets)
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return nil
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}
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func isTrustedProxy(ip net.IP) bool {
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nets := trustedProxies.Load()
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if nets == nil || ip == nil {
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return false
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}
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for _, n := range *nets {
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if n.Contains(ip) {
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return true
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}
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}
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if rip := strings.TrimSpace(r.Header.Get("X-Real-IP")); rip != "" {
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return rip
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}
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host, _, err := net.SplitHostPort(r.RemoteAddr)
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return false
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}
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func remoteHost(addr string) string {
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host, _, err := net.SplitHostPort(addr)
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if err != nil {
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return r.RemoteAddr
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return addr
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}
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return host
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}
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// ClientIP 解析客户端 IP。
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// 只有当直连对端(RemoteAddr)属于可信代理白名单时才采信 X-Forwarded-For / X-Real-IP,
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// 否则一律用 RemoteAddr——代理头是客户端可伪造的,据此限流等于没有限流。
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func ClientIP(r *http.Request) string {
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remote := net.ParseIP(remoteHost(r.RemoteAddr))
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if remote == nil || !isTrustedProxy(remote) {
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return remoteHost(r.RemoteAddr)
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}
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if xff := r.Header.Get("X-Forwarded-For"); xff != "" {
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parts := strings.Split(xff, ",")
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// 从右往左取第一个非代理地址:这是可信代理链上离服务端最近的真实客户端。
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for i := len(parts) - 1; i >= 0; i-- {
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ip := net.ParseIP(strings.TrimSpace(parts[i]))
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if ip == nil || isTrustedProxy(ip) {
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continue
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}
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return ip.String()
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}
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// 整条链路都是可信代理时,最左侧即原始客户端。
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if ip := net.ParseIP(strings.TrimSpace(parts[0])); ip != nil {
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return ip.String()
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}
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}
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if ip := net.ParseIP(strings.TrimSpace(r.Header.Get("X-Real-IP"))); ip != nil {
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return ip.String()
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}
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return remoteHost(r.RemoteAddr)
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}
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@@ -0,0 +1,45 @@
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package middleware
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import (
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"net/http/httptest"
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"testing"
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)
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// 默认不信任任何代理头:X-Forwarded-For 不能改变客户端 IP,否则登录限流可被绕过。
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func TestClientIPIgnoresForwardedHeadersByDefault(t *testing.T) {
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t.Cleanup(func() { _ = SetTrustedProxies(nil) })
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if err := SetTrustedProxies(nil); err != nil {
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t.Fatalf("清空可信代理: %v", err)
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}
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r := httptest.NewRequest("POST", "/api/auth/login", nil)
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r.RemoteAddr = "127.0.0.1:54321"
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r.Header.Set("X-Forwarded-For", "203.0.113.9")
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r.Header.Set("X-Real-IP", "203.0.113.10")
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if got := ClientIP(r); got != "127.0.0.1" {
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t.Fatalf("默认应使用 RemoteAddr,得到 %q", got)
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}
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}
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// 仅当直连对端在可信代理白名单内时才采信代理头,并从右往左取第一个非代理地址。
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func TestClientIPTrustsForwardedHeadersOnlyFromProxies(t *testing.T) {
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t.Cleanup(func() { _ = SetTrustedProxies(nil) })
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if err := SetTrustedProxies([]string{"10.0.0.0/8"}); err != nil {
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t.Fatalf("设置可信代理: %v", err)
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}
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r := httptest.NewRequest("POST", "/api/auth/login", nil)
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r.RemoteAddr = "10.0.0.5:12345"
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r.Header.Set("X-Forwarded-For", "198.51.100.7, 10.0.0.6")
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if got := ClientIP(r); got != "198.51.100.7" {
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t.Fatalf("可信代理应解析出真实客户端,得到 %q", got)
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}
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// 直连对端不可信时,即便伪造代理头也以 RemoteAddr 为准。
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r.RemoteAddr = "203.0.113.1:12345"
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if got := ClientIP(r); got != "203.0.113.1" {
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t.Fatalf("不可信对端应使用 RemoteAddr,得到 %q", got)
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}
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}
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@@ -131,6 +131,29 @@ func RequireWrite(need auth.Role) func(http.Handler) http.Handler {
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}
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}
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// MustChangePassword 阻止「必须修改密码」的账号执行写操作。
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// 只放行改密与登出:否则用户会被永久锁在无法改密的死循环里(见 devdocs/08 第 1 节)。
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func MustChangePassword(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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u := User(r.Context())
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if u.Role == auth.RoleGuest || !u.MustChangePassword {
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next.ServeHTTP(w, r)
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return
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}
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switch r.Method {
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case http.MethodGet, http.MethodHead, http.MethodOptions:
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next.ServeHTTP(w, r)
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return
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}
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switch r.URL.Path {
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case "/api/auth/password", "/api/auth/logout":
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next.ServeHTTP(w, r)
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return
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}
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writeError(w, http.StatusForbidden, "AUTH_REQUIRED", "请先修改初始密码", nil)
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})
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}
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// CSRF 校验双提交 Cookie:已登录的写请求必须带 X-CSRF-Token 且与 csrf_token Cookie 一致。
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func CSRF(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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