262 lines
9.6 KiB
Go
262 lines
9.6 KiB
Go
package api
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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"vpn-platform/backend/internal/nginxconfig"
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"vpn-platform/backend/internal/nginxgateway"
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"vpn-platform/backend/internal/nginxsetup"
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"vpn-platform/backend/internal/service"
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"vpn-platform/backend/internal/store"
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"vpn-platform/backend/internal/tlsservice"
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)
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func (s *Server) nginxSetupStatus(c *gin.Context) {
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status := nginxsetup.Inspect()
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c.JSON(http.StatusOK, gin.H{"os": status.OS, "version": status.Version, "package_manager": status.PackageManager,
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"supported": status.Supported, "root": status.Root, "nginx_installed": status.Nginx,
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"certbot_installed": status.Certbot, "webroot_ready": status.Webroot, "running": status.Running || nginxgateway.Running(),
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"site_stage": nginxgateway.Stage()})
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}
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func (s *Server) activateNginx(c *gin.Context) {
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status := tlsservice.Status()
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if status.Mode != "nginx" || status.ConfiguredMode != "nginx" || status.ConfiguredDomain == "" {
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c.JSON(http.StatusPreconditionFailed, gin.H{"error": "请先启用 Nginx 模式并保存公网入口；切换入口模式需重启 opsx-vpn"})
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return
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}
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scheme := status.ConfiguredScheme
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if scheme == "" {
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scheme = "https"
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}
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authPort, err := authGatewayPort(status.ConfiguredPublicBase)
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if err != nil {
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c.JSON(http.StatusConflict, gin.H{"error": err.Error()})
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return
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}
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if !nginxgateway.Begin() {
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c.JSON(http.StatusConflict, gin.H{"error": "入口配置正在运行，请等待完成"})
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return
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}
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defer nginxgateway.End()
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c.Header("Content-Type", "application/x-ndjson; charset=utf-8")
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c.Header("Cache-Control", "no-store")
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c.Header("X-Accel-Buffering", "no")
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c.Status(http.StatusOK)
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write := func(kind, message string) {
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payload, _ := json.Marshal(gin.H{"type": kind, "message": message})
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fmt.Fprintf(c.Writer, "%s\n", payload)
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c.Writer.Flush()
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}
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if scheme == "http" {
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write("info", "启用 HTTP 公网入口（不申请证书）。\n")
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} else {
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write("info", "检查现有站点并启用 HTTP-01 验证。\n")
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}
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opts := nginxconfig.RenderOptions{Domain: status.ConfiguredDomain, Scheme: scheme, Port: status.ConfiguredPort}
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if err := nginxgateway.RunEntryWithAuth(opts, s.router.Routes(), authPort, func(message string) { write("output", message) }); err != nil {
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store.Audit(c.GetString("username"), "nginx_activate", "failed", err.Error())
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write("error", err.Error())
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return
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}
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if err := tlsservice.AdoptNginxConfiguration(service.BaseDir()); err != nil {
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write("error", "站点已更新，但状态同步失败："+err.Error())
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return
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}
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store.Audit(c.GetString("username"), "nginx_activate", "completed", status.ConfiguredPublicBase)
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write("done", "站点和入口已就绪。")
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}
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func (s *Server) initializeNginx(c *gin.Context) {
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status := nginxsetup.Inspect()
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if !status.Supported || !status.Root {
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c.JSON(http.StatusPreconditionFailed, gin.H{"error": "仅支持 root 运行的 Ubuntu / TencentOS Server 4"})
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return
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}
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if !nginxsetup.Begin() {
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c.JSON(http.StatusConflict, gin.H{"error": "初始化正在运行，请等待完成"})
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return
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}
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defer nginxsetup.End()
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c.Header("Content-Type", "application/x-ndjson; charset=utf-8")
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c.Header("Cache-Control", "no-store")
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c.Header("X-Accel-Buffering", "no")
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c.Status(http.StatusOK)
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write := func(kind, message string) {
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payload, _ := json.Marshal(gin.H{"type": kind, "message": message})
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fmt.Fprintf(c.Writer, "%s\n", payload)
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c.Writer.Flush()
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}
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write("info", "开始初始化 Nginx / Certbot；此步骤不会启用 80/443 或签发证书。\n")
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err := nginxsetup.Run(func(message string) { write("output", message) })
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if err != nil {
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store.Audit(c.GetString("username"), "nginx_setup", "failed", err.Error())
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write("error", err.Error())
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return
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}
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store.Audit(c.GetString("username"), "nginx_setup", "completed", "software and webroot ready")
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write("done", "初始化完成；继续配置 HTTP-01 站点与证书。")
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}
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func (s *Server) tlsStatus(c *gin.Context) {
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c.JSON(http.StatusOK, tlsservice.Status())
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}
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func (s *Server) nginxPreview(c *gin.Context) {
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status := tlsservice.Status()
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if status.ConfiguredDomain == "" {
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c.JSON(http.StatusBadRequest, gin.H{"error": "请先在页面保存公网入口"})
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return
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}
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scheme := status.ConfiguredScheme
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if scheme == "" {
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scheme = "https"
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}
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httpSite, httpsSite, err := nginxconfig.RenderWithOptions(nginxconfig.RenderOptions{
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Domain: status.ConfiguredDomain, Scheme: scheme, Port: status.ConfiguredPort,
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}, s.router.Routes(), 0)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"http_site": httpSite, "https_site": httpsSite,
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"public_base": status.ConfiguredPublicBase,
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"warning": "仅预览：保存并重启后按协议启用入口；认证域名须单独配置。",
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})
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}
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func (s *Server) setTLSMode(c *gin.Context) {
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var req struct {
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Mode string `json:"mode"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "请输入入口模式"})
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return
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}
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if err := tlsservice.ConfigureMode(service.BaseDir(), req.Mode); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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store.Audit(c.GetString("username"), "tls_mode_configured", req.Mode, "需检查外部入口后重启")
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status := tlsservice.Status()
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c.JSON(http.StatusOK, gin.H{"status": status, "restart_required": status.RestartRequired})
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}
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func (s *Server) setTLSDomain(c *gin.Context) {
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var req struct {
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Domain string `json:"domain"`
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Scheme string `json:"scheme"`
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Port *int `json:"port"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "请输入公网入口配置"})
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return
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}
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scheme := strings.ToLower(strings.TrimSpace(req.Scheme))
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if scheme == "" {
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scheme = "https"
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}
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port := 0
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if req.Port != nil {
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port = *req.Port
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}
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status := tlsservice.Status()
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newBase := tlsservice.PublicBaseURL(scheme, strings.ToLower(strings.TrimSpace(req.Domain)), port)
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if newBase == "" || port < 0 || port > 65535 {
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c.JSON(http.StatusBadRequest, gin.H{"error": "公网域名、协议或端口无效"})
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return
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}
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// The Go listener cannot be rebound in place; Nginx owns its own sockets.
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if status.Mode == "nginx" && status.ConfiguredMode == "nginx" && nginxgateway.Stage() != "none" {
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s.gatewayMu.Lock()
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defer s.gatewayMu.Unlock()
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if err := checkAuthGatewayChange(status.PublicBase, newBase); err != nil {
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c.JSON(http.StatusConflict, gin.H{"error": err.Error()})
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return
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}
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authPort, err := authGatewayPort(newBase)
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if err != nil {
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c.JSON(http.StatusConflict, gin.H{"error": err.Error()})
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return
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}
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opts := nginxconfig.RenderOptions{Domain: req.Domain, Scheme: scheme, Port: port}
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err = nginxgateway.UpdateEntry(opts, status.ConfiguredDomain, s.router.Routes(), authPort, func() error {
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if err := tlsservice.ConfigurePublicEntry(service.BaseDir(), scheme, req.Domain, port); err != nil {
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return err
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}
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return tlsservice.AdoptNginxConfiguration(service.BaseDir())
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})
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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store.Audit(c.GetString("username"), "tls_domain_applied", newBase, "Nginx 已重载")
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c.JSON(http.StatusOK, gin.H{"status": tlsservice.Status(), "restart_required": false, "applied": true})
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return
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}
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if err := tlsservice.ConfigurePublicEntry(service.BaseDir(), scheme, req.Domain, port); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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store.Audit(c.GetString("username"), "tls_domain_configured", tlsservice.PublicBaseURL(scheme, strings.ToLower(strings.TrimSpace(req.Domain)), port), "需重启后生效")
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status = tlsservice.Status()
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c.JSON(http.StatusOK, gin.H{"status": status, "restart_required": status.RestartRequired,
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"site_activation_required": status.Mode == "nginx" && status.ConfiguredMode == "nginx" && nginxgateway.Stage() == "none"})
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}
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func (s *Server) uploadTLSCertificate(c *gin.Context) {
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var req struct {
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CertificatePEM string `json:"certificate_pem"`
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PrivateKeyPEM string `json:"private_key_pem"`
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Host string `json:"host"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "请提交证书与私钥 PEM"})
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return
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}
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status := tlsservice.Status()
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domain := strings.ToLower(strings.TrimSpace(req.Host))
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if domain == "" {
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domain = status.ConfiguredDomain
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}
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if domain == "" {
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domain = status.Domain
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}
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if domain == "" {
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c.JSON(http.StatusBadRequest, gin.H{"error": "请先填写公网域名"})
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return
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}
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if domain != status.ConfiguredDomain && domain != status.Domain {
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c.JSON(http.StatusBadRequest, gin.H{"error": "证书域名必须与公网入口一致"})
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return
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}
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apply := func() error { return nil }
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if status.Mode == "nginx" && status.ConfiguredMode == "nginx" && !status.RestartRequired &&
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(status.ConfiguredScheme == "https" || status.Scheme == "https" || status.ConfiguredScheme == "") &&
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nginxgateway.Stage() == "https" && s.router != nil {
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apply = func() error {
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s.gatewayMu.Lock()
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defer s.gatewayMu.Unlock()
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port := 0
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if pb := tlsservice.Status().PublicBase; pb != "" {
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port, _ = authGatewayPort(pb)
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}
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return nginxgateway.RefreshAuthEntry(nginxconfig.RenderOptions{
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Domain: domain, Scheme: "https", Port: status.ConfiguredPort,
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}, s.router.Routes(), port)
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}
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}
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if err := tlsservice.InstallUploadedCertificateWithApply(service.BaseDir(), domain, req.CertificatePEM, req.PrivateKeyPEM, apply); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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store.Audit(c.GetString("username"), "tls_certificate_uploaded", domain, "upload")
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c.JSON(http.StatusOK, gin.H{"ok": true, "status": tlsservice.Status()})
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}
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