From 6743dd76265d42e2ce46cc58d43e297bb9aecf4d Mon Sep 17 00:00:00 2001
From: SRHTNIN <srhtnin@proton.me>
Date: Mon, 21 Sep 2026 20:48:05 +0200
Subject: [PATCH] Added proper resolving for https.

---
 Backend/Main.py | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/Backend/Main.py b/Backend/Main.py
index 8684ce2..2827329 100644
--- a/Backend/Main.py
+++ b/Backend/Main.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import json
 import mimetypes
 import sys
 from pathlib import Path
@@ -691,6 +692,23 @@ def GetPublicMediaEndpoint(RootName: str, FilePath: str, request: Request):
     return StreamBinaryFile(ResolvedPath, request.headers.get("range"))
 
 
+def GetForwardedScheme(request: Request) -> str:
+    ForwardedProto = request.headers.get("x-forwarded-proto")
+    if ForwardedProto:
+        return ForwardedProto.split(",")[0].strip()
+
+    CfVisitor = request.headers.get("cf-visitor")
+    if CfVisitor:
+        try:
+            ParsedScheme = json.loads(CfVisitor).get("scheme")
+            if ParsedScheme:
+                return ParsedScheme
+        except (json.JSONDecodeError, AttributeError):
+            pass
+
+    return request.url.scheme
+
+
 FrontendDist = ApplicationDirectory.parent / "Frontend" / "dist"
 
 if FrontendDist.is_dir():
@@ -708,7 +726,9 @@ if FrontendDist.is_dir():
         Segments = [Segment for Segment in FullPath.split("/") if Segment]
 
         if Segments:
-            BaseUrl = f"{request.url.scheme}://{request.url.netloc}"
+            Scheme = GetForwardedScheme(request)
+            Host = request.headers.get("x-forwarded-host", request.url.netloc)
+            BaseUrl = f"{Scheme}://{Host}"
             OgTags = (
                 BuildOgTags(Segments[0], "/".join(Segments[1:]), FullPath.endswith("/"), BaseUrl)
                 or ""