Allow to resume downloads only if the destination file exists

2017-07-08 17:20:47 +02:00
parent b4f0abd97d
commit 1c212075f1
1 changed files with 4 additions and 0 deletions
--- a/src/org/lineageos/updater/download/OkHttpDownloadClient.java
+++ b/src/org/lineageos/updater/download/OkHttpDownloadClient.java
@@ -132,6 +132,10 @@ class OkHttpDownloadClient implements DownloadClient {
        final Request.Builder requestBuilder = new Request.Builder()
                .url(mUrl)
                .tag(DOWNLOAD_TAG);
+        if (!mDestination.exists()) {
+            mCallback.onFailure(mCancelled);
+            return;
+        }
        long offset = mDestination.length();
        requestBuilder.addHeader("Range", "bytes=" + offset + "-");
        final Request request = requestBuilder.build();