http: Report correct size for partial content msg

Content length is wrongly used as file size for partial content
messages (e.g. after seek), therefor length from range header has
to be used instead.

https://bugzilla.gnome.org/show_bug.cgi?id=690226

1 files changed, 17 insertions, 2 deletions

diff --git a/daemon/gvfsbackendhttp.c b/daemon/gvfsbackendhttp.c
index 0db563f4..7d6f32cb 100644
--- a/daemon/gvfsbackendhttp.c
+++ b/daemon/gvfsbackendhttp.c
@@ -540,8 +540,23 @@ file_info_from_message (SoupMessage *msg,
   g_free (basename);
   g_free (ed_name);
 
-  if (soup_message_headers_get_encoding(msg->response_headers) == SOUP_ENCODING_CONTENT_LENGTH)
-    g_file_info_set_size (info, soup_message_headers_get_content_length (msg->response_headers));
+  if (soup_message_headers_get_encoding (msg->response_headers) == SOUP_ENCODING_CONTENT_LENGTH)
+    {
+      goffset start, end, length;
+      gboolean ret;
+
+      ret = soup_message_headers_get_content_range (msg->response_headers,
+                                                    &start, &end, &length);
+      if (ret && length != -1)
+        {
+          g_file_info_set_size (info, length);
+        }
+      else if (!ret)
+        {
+          length = soup_message_headers_get_content_length (msg->response_headers);
+          g_file_info_set_size (info, length);
+        }
+    }
 
   g_file_info_set_file_type (info, G_FILE_TYPE_REGULAR);