From c3829a8d7983270fd5cb0a7d6c480e385ef4fe28 Mon Sep 17 00:00:00 2001
From: Ido Ben-Hur <idoybh2@gmail.com>
Date: Thu, 8 Dec 2022 21:02:59 +0200
Subject: [PATCH] OpenDelta: Download: Match HTTP response with expectation

---
 src/eu/chainfire/opendelta/Download.java | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/eu/chainfire/opendelta/Download.java b/src/eu/chainfire/opendelta/Download.java
index 1c469b1..854119b 100644
--- a/src/eu/chainfire/opendelta/Download.java
+++ b/src/eu/chainfire/opendelta/Download.java
@@ -308,9 +308,14 @@ public class Download {
                 urlConnection.setRequestProperty("Range", "bytes=" + offset + "-");
             urlConnection.connect();
             int code = urlConnection.getResponseCode();
-            if (code != HttpsURLConnection.HTTP_OK
-                    && code != HttpsURLConnection.HTTP_PARTIAL) {
-                Logger.d("response: %d", code);
+            if (offset > 0 && code != HttpsURLConnection.HTTP_PARTIAL) {
+                Logger.d("response: %d expected: %d", code,
+                        HttpsURLConnection.HTTP_PARTIAL);
+                return null;
+            }
+            if (offset == 0 && code != HttpsURLConnection.HTTP_OK) {
+                Logger.d("response: %d expected: %d", code,
+                        HttpsURLConnection.HTTP_OK);
                 return null;
             }
             return urlConnection;