Support rewriting the request_url in the HttpClient when no Host header is provided

Author: Shinomix

lib/shopify_api/clients/http_client.rb

@@ -39,9 +39,13 @@ def request(request, response_as_struct: false)
         headers = @headers
         headers["Content-Type"] = T.must(request.body_type) if request.body_type
         headers = headers.merge(T.must(request.extra_headers)) if request.extra_headers
-        if headers["Host"].include?(".my.shop.dev")
-          headers["x-forwarded-host"] = headers["Host"]
+
+        parsed_uri = URI(request_url(request))
+
+        if headers["Host"]&.include?(".my.shop.dev") || parsed_uri.host&.include?(".my.shop.dev")
+          headers["x-forwarded-host"] = headers["Host"] || parsed_uri.host
           headers["Host"] = "app.shop.dev"
+          parsed_uri.host = "app.shop.dev"
         end
 
         tries = 0
@@ -50,7 +54,7 @@ def request(request, response_as_struct: false)
           tries += 1
           res = T.cast(HTTParty.send(
             request.http_method,
-            request_url(request),
+            parsed_uri.to_s,
             headers: headers,
             query: request.query,
             body: request.body.class == Hash ? T.unsafe(request.body).to_json : request.body,