[gnome-software] Check the version in flatpakrepo files

[Richard Hughes <rhughes src gnome org>]

commit 66cd2fce87592c23b561bf45433d415aefd34f27
Author: Richard Hughes <richard hughsie com>
Date:   Tue Dec 13 13:41:20 2016 +0000

    Check the version in flatpakrepo files

 src/plugins/gs-flatpak.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/gs-flatpak.c b/src/plugins/gs-flatpak.c
index cc249d2..3465cf2 100644
--- a/src/plugins/gs-flatpak.c
+++ b/src/plugins/gs-flatpak.c
@@ -2431,6 +2431,18 @@ gs_flatpak_file_to_app_repo (GsFlatpak *self,
                return FALSE;
        }
 
+       /* check version */
+       if (g_key_file_has_key (kf, "Flatpak Repo", "Version", NULL)) {
+               guint64 ver = g_key_file_get_uint64 (kf, "Flatpak Repo", "Version", NULL);
+               if (ver != 1) {
+                       g_set_error (error,
+                                    GS_PLUGIN_ERROR,
+                                    GS_PLUGIN_ERROR_NOT_SUPPORTED,
+                                    "unsupported version %" G_GUINT64_FORMAT, ver);
+                       return FALSE;
+               }
+       }
+
        /* user specified a URL */
        if (g_str_has_prefix (repo_gpgkey, "http://";) ||
            g_str_has_prefix (repo_gpgkey, "https://";)) {