fix: reverse proxy fix

Author: mateof

TelegramDownloader/Pages/Partials/impl/LocalFileManagerImpl.razor

@@ -101,12 +101,11 @@
     private bool _viewportDetected = false;
     private const int MobileBreakpoint = 1920; // Custom breakpoint for mobile file manager
 
-    private string BaseUrl => NavManager.BaseUri.TrimEnd('/');
-
-    private string FileOperationsUrl => $"{BaseUrl}/api/file/FileOperations";
-    private string UploadUrl => $"{BaseUrl}/api/file/Upload";
-    private string DownloadUrl => $"{BaseUrl}/api/file/Download";
-    private string GetImageUrl => $"{BaseUrl}/api/file/GetImage";
+    // Use relative URLs to work correctly with reverse proxies (HTTP/HTTPS)
+    private string FileOperationsUrl => "api/file/FileOperations";
+    private string UploadUrl => "api/file/Upload";
+    private string DownloadUrl => "api/file/Download";
+    private string GetImageUrl => "api/file/GetImage";
 
 
     public List<ToolBarItemModel> Items = new List<ToolBarItemModel>(){

TelegramDownloader/Program.cs

@@ -82,10 +82,15 @@
 
 var app = builder.Build();
 
-app.UseForwardedHeaders(new ForwardedHeadersOptions
+// Configure forwarded headers for reverse proxy support (HTTPS via nginx, traefik, etc.)
+var forwardedHeadersOptions = new ForwardedHeadersOptions
 {
-    ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
-});
+    ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto | ForwardedHeaders.XForwardedHost
+};
+// Clear default limits to accept forwarded headers from any proxy
+forwardedHeadersOptions.KnownNetworks.Clear();
+forwardedHeadersOptions.KnownProxies.Clear();
+app.UseForwardedHeaders(forwardedHeadersOptions);
 
 using (var scope = app.Services.CreateScope())
 {