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fix: embed admin webui for serverless runtime

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CJACK
2026-02-16 18:10:27 +08:00
parent 0913c477a6
commit 056c50676f
2 changed files with 63 additions and 4 deletions
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9
embedded_admin.go Normal file
View File

@@ -0,0 +1,9 @@
package ds2api
import "embed"
// EmbeddedAdminFS bundles static/admin so serverless targets can serve WebUI
// without relying on runtime filesystem inclusion.
//
//go:embed static/admin
var EmbeddedAdminFS embed.FS

58
internal/webui/handler.go
View File

@@ -1,13 +1,16 @@
package webui
import (
"io/fs"
"net/http"
"os"
"path"
"path/filepath"
"strings"
"github.com/go-chi/chi/v5"
root "ds2api"
"ds2api/internal/config"
)
@@ -17,11 +20,18 @@ const welcomeHTML = `<!DOCTYPE html>
</head><body><main><h1>DS2API</h1><p>DeepSeek to OpenAI & Claude Compatible API</p><div class="links"><a href="/admin">管理面板</a><a href="/v1/models">API 状态</a><a href="https://github.com/CJackHwang/ds2api" target="_blank">GitHub</a></div></main></body></html>`
type Handler struct {
StaticDir string
StaticDir string
embeddedAdmin fs.FS
hasEmbeddedUI bool
}
func NewHandler() *Handler {
return &Handler{StaticDir: config.StaticAdminDir()}
h := &Handler{StaticDir: config.StaticAdminDir()}
if sub, err := fs.Sub(root.EmbeddedAdminFS, "static/admin"); err == nil {
h.embeddedAdmin = sub
h.hasEmbeddedUI = true
}
return h
}
func RegisterRoutes(r chi.Router, h *Handler) {
@@ -47,10 +57,19 @@ func (h *Handler) index(w http.ResponseWriter, _ *http.Request) {
}
func (h *Handler) admin(w http.ResponseWriter, r *http.Request) {
if fi, err := os.Stat(h.StaticDir); err != nil || !fi.IsDir() {
http.Error(w, "WebUI not built. Run `cd webui && npm run build` first.", http.StatusNotFound)
if fi, err := os.Stat(h.StaticDir); err == nil && fi.IsDir() {
h.serveFromDisk(w, r)
return
}
if h.hasEmbeddedUI {
if h.serveFromFS(w, r, h.embeddedAdmin) {
return
}
}
http.Error(w, "WebUI not built. Run `cd webui && npm run build` first.", http.StatusNotFound)
}
func (h *Handler) serveFromDisk(w http.ResponseWriter, r *http.Request) {
path := strings.TrimPrefix(r.URL.Path, "/admin")
path = strings.TrimPrefix(path, "/")
if path != "" && strings.Contains(path, ".") {
@@ -79,3 +98,34 @@ func (h *Handler) admin(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Cache-Control", "no-store, must-revalidate")
http.ServeFile(w, r, index)
}
func (h *Handler) serveFromFS(w http.ResponseWriter, r *http.Request, rootFS fs.FS) bool {
rel := strings.TrimPrefix(r.URL.Path, "/admin")
rel = strings.TrimPrefix(rel, "/")
safe := strings.TrimPrefix(path.Clean("/"+rel), "/")
if strings.HasPrefix(safe, "../") {
http.NotFound(w, r)
return true
}
if safe != "" && strings.Contains(safe, ".") {
if _, err := fs.Stat(rootFS, safe); err != nil {
http.NotFound(w, r)
return true
}
if strings.HasPrefix(safe, "assets/") {
w.Header().Set("Cache-Control", "public, max-age=31536000, immutable")
} else {
w.Header().Set("Cache-Control", "no-store, must-revalidate")
}
http.ServeFileFS(w, r, rootFS, safe)
return true
}
if _, err := fs.Stat(rootFS, "index.html"); err != nil {
return false
}
w.Header().Set("Cache-Control", "no-store, must-revalidate")
http.ServeFileFS(w, r, rootFS, "index.html")
return true
}