If host does not contain a port only compare the hostnames.

server.py

@@ -83,17 +83,22 @@ async def cors_middleware(request: web.Request, handler):
 def create_origin_only_middleware():
     @web.middleware
     async def origin_only_middleware(request: web.Request, handler):
+        #this code is used to prevent the case where a random website can queue comfy workflows by making a POST to 127.0.0.1 which browsers don't prevent for some dumb reason.
+        #in that case the Host and Origin hostnames won't match
+        #I know the proper fix would be to add a cookie but this should take care of the problem in the meantime
         if 'Host' in request.headers and 'Origin' in request.headers:
             host = request.headers['Host']
             origin = request.headers['Origin']
             host_domain = host.lower()
             parsed = urllib.parse.urlparse(origin)
             origin_domain = parsed.netloc.lower()
-            if parsed.port is None: #if origin doesn't have a port strip it from the host to handle weird browsers
-                result = urllib.parse.urlsplit('//' + host_domain)
-                host_domain = result.hostname
+            host_domain_parsed = urllib.parse.urlsplit('//' + host_domain)
+            if parsed.port is None: #if origin doesn't have a port strip it from the host to handle weird browsers, same for host
+                host_domain = host_domain_parsed.hostname
+            if host_domain_parsed.port is None:
+                origin_domain = parsed.hostname
 
-            if len(host_domain) > 0 and len(origin_domain) > 0:
+            if host_domain is not None and origin_domain is not None and len(host_domain) > 0 and len(origin_domain) > 0:
                 if host_domain != origin_domain:
                     logging.warning("WARNING: request with non matching host and origin {} != {}, returning 403".format(host_domain, origin_domain))
                     return web.Response(status=403)