[gnome-boxes/wip/rishi/rhel: 8/17] downloader, wizard: Support a custom filename for downloaded media



commit bc821407b85cb26375817c7c91b283d77d305e54
Author: Debarshi Ray <debarshir gnome org>
Date:   Thu Aug 31 20:24:35 2017 +0200

    downloader, wizard: Support a custom filename for downloaded media
    
    The URI for getting gratis RHEL ISOs from the Red Hat developer portal
    at developers.redhat.com looks like this:
      https://access.cdn.redhat.com/.../rhel...dvd.iso?_auth_=......
    
    While it seems possible to get the basename of the downloaded file by
    removing the URI's query string, there is no guarantee that the
    structure of the URI won't change in future.
    
    On the other hand, the basename of the downloaded ISO is encoded in the
    authentication URI that's embedded in the initial JSON or XML response
    from the server. It might be better to use that instead. Therefore,
    there is a need to explicitly specify the filename.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786679

 src/downloader.vala |   10 +++++++++-
 src/wizard.vala     |    2 +-
 2 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/src/downloader.vala b/src/downloader.vala
index 86fac3b..6ca8251 100644
--- a/src/downloader.vala
+++ b/src/downloader.vala
@@ -205,10 +205,18 @@ private class Boxes.Downloader : GLib.Object {
     }
 
     public static async string fetch_media (string           uri,
+                                            string?          filename = null,
                                             ActivityProgress progress = new ActivityProgress (),
                                             Cancellable?     cancellable = null) throws GLib.Error {
         var file = File.new_for_uri (uri);
-        var basename = file.get_basename ();
+        string? basename = null;
+
+        if (filename == null) {
+            basename = file.get_basename ();
+        } else {
+            basename = filename;
+        }
+
         return_val_if_fail (basename != null && basename != "" && basename != "/", null);
 
         var downloader = Downloader.get_instance ();
diff --git a/src/wizard.vala b/src/wizard.vala
index b13f7df..40ce8a9 100644
--- a/src/wizard.vala
+++ b/src/wizard.vala
@@ -606,7 +606,7 @@ private class Boxes.Wizard: Gtk.Stack, Boxes.UI {
         prep_status_label.label = _("Downloading media…");
 
         try {
-            var cache_path = yield Downloader.fetch_media (uri, download_progress, prepare_cancellable);
+            var cache_path = yield Downloader.fetch_media (uri, null, download_progress, 
prepare_cancellable);
             prepare_downloaded_media (cache_path, progress);
         } catch (GLib.IOError.CANCELLED e) {
             debug ("Cancelled downloading media '%s'!", uri);


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