Add webdav module

hosts/nixos/hs/system.nix

@@ -10,6 +10,7 @@
     ../../../modules/traefik.nix
     ../../../modules/samba.nix
     ../../../modules/borg.nix
+    ../../../modules/webdav.nix
   ];
 
   # GRUB bootloader with ZFS support
@@ -225,6 +226,23 @@
   # Samba file sharing configuration
   services.samba-custom = { enable = false; };
 
+  # WebDAV file server configuration
+  services.webdav-server = {
+    enable = true;
+    port = 5009;
+    servePath = "/mnt/storage/Media/NSFW";
+    auth = {
+      username = "yanlin";
+      passwordFile = "/etc/webdav-password";
+    };
+    readOnly = false;
+    allowUpload = true;
+    allowDelete = true;
+    allowSearch = true;
+    allowSymlink = false;
+    hideDotFiles = true;
+  };
+
   # Borg backup configuration
   services.borgbackup-custom = {
     enable = true;

hosts/nixos/vps/proxy.nix

@@ -149,6 +149,19 @@
             }];
           };
         };
+
+        # WebDAV file server
+        files = {
+          rule = "Host(`files.yanlincs.com`)";
+          entrypoints = "websecure";
+          service = "files";
+          tls = {
+            certResolver = "cloudflare";
+            domains = [{
+              main = "*.yanlincs.com";
+            }];
+          };
+        };
       };
       services = {
         # Redirect service
@@ -249,6 +262,15 @@
             }];
           };
         };
+
+        # WebDAV file server backend (via WireGuard)
+        files = {
+          loadBalancer = {
+            servers = [{
+              url = "http://10.2.2.20:5009";
+            }];
+          };
+        };
       };
       middlewares = {
         # Redirect middleware