don't crash when a download content-type can't be found

1 files changed, 8 insertions, 5 deletions

diff --git a/src/callbacks.c b/src/callbacks.c
index 7b06873..fa2ed1f 100644
--- a/src/callbacks.c
+++ b/src/callbacks.c
@@ -825,16 +825,19 @@ download_cb(WebKitWebView *web_view, WebKitDownload *download, gpointer user_dat
     g_object_get(download, "suggested-filename", &suggested_filename, NULL);
 
     /* get the mimetype of the download */
-    const gchar *content_type;
+    const gchar *content_type = NULL;
     WebKitNetworkResponse *r  = webkit_download_get_network_response(download);
     /* downloads can be initiated from the context menu, in that case there is
        no network response yet and trying to get one would crash. */
     if(WEBKIT_IS_NETWORK_RESPONSE(r)) {
-        SoupMessage *m            = webkit_network_response_get_message(r);
-        SoupMessageHeaders *h;
+        SoupMessage        *m = webkit_network_response_get_message(r);
+        SoupMessageHeaders *h = NULL;
         g_object_get(m, "response-headers", &h, NULL);
-        content_type = soup_message_headers_get_one(h, "Content-Type");
-    } else
+        if(h) /* some versions of libsoup don't have "response-headers" here */
+            content_type = soup_message_headers_get_one(h, "Content-Type");
+    }
+
+    if(!content_type)
         content_type = "application/octet-stream";
 
     /* get the filesize of the download, as given by the server.