fix: CSP policy missing front components like icons, nextui color mode, wasm

api/handlers/frontend/frontHandler.go

@@ -2,6 +2,7 @@ package frontend
 
 import (
 	"RenewCMS/internal/infrastructure/assets"
+	"bytes"
 	"io"
 	"io/fs"
 	"net/http"
@@ -93,12 +94,15 @@ func (h *spaHandler) serveIndex(w http.ResponseWriter, r *http.Request) {
 	}
 	defer f.Close()
 
-	content, ok := f.(io.ReadSeeker)
-	if !ok {
-		http.Error(w, "File not seekable", http.StatusInternalServerError)
+	html, err := io.ReadAll(f)
+	if err != nil {
+		http.Error(w, "Index not readable", http.StatusInternalServerError)
 		return
 	}
 
 	w.Header().Set("Cache-Control", indexCacheControl)
-	http.ServeContent(w, r, "index.html", h.modTime, content)
+	if policy := w.Header().Get("Content-Security-Policy"); policy != "" {
+		w.Header().Set("Content-Security-Policy", AllowInlineScripts(policy, html))
+	}
+	http.ServeContent(w, r, "index.html", h.modTime, bytes.NewReader(html))
 }