[gnome-software] Allow linking to specified proprietary licenses

[Richard Hughes <rhughes src gnome org>]

commit 6f37832c72281115d4f3ff5e3a7820cd4edd1cb3
Author: Richard Hughes <richard hughsie com>
Date:   Thu Sep 14 18:48:42 2017 +0100

    Allow linking to specified proprietary licenses

 src/gs-details-page.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-details-page.c b/src/gs-details-page.c
index 7037bc1..0eb7426 100644
--- a/src/gs-details-page.c
+++ b/src/gs-details-page.c
@@ -2159,7 +2159,18 @@ gs_details_page_license_nonfree_cb (GtkWidget *widget, GsDetailsPage *self)
 {
        g_autofree gchar *str = NULL;
        g_autofree gchar *uri = NULL;
-       uri = g_settings_get_string (self->settings, "nonfree-software-uri");
+       g_auto(GStrv) tokens = NULL;
+
+       /* license specified as a link */
+       tokens = as_utils_spdx_license_tokenize (gs_app_get_license (self->app));
+       for (guint i = 0; tokens[i] != NULL; i++) {
+               if (g_str_has_prefix (tokens[i], "@LicenseRef-proprietary=")) {
+                       uri = g_strdup (tokens[i] + 24);
+                       break;
+               }
+       }
+       if (uri == NULL)
+               uri = g_settings_get_string (self->settings, "nonfree-software-uri");
        str = g_strdup_printf ("<a href=\"%s\">%s</a>",
                               uri,
                               _("More information"));