use authentication prior to first step

lib/AccountManager/App.pm

@@ -183,6 +183,7 @@ sub respond {
 
     $in{data}->{app} = {
         url           => $ENV{SCRIPT_NAME},
+        login_url     => $self->{configuration}->{app}->{login_url},
         name          => $self->{configuration}->{app}->{name},
         support_email => $self->{configuration}->{app}->{support_email},
         version       => $version,

templates/web/edugain/home.tt2.html

@@ -9,6 +9,6 @@
 
 <h2>[% lh.maketext("Get started") %]</h2>
 <p>[% lh.maketext("To start testing your own services, start by selecting one your are administrator for.") %]</p>
-<p class="text-center"><a href="[% app.url %]?action=select_federation" class="button">[% lh.maketext("Get started") %]</a></p>
+<p class="text-center"><a href="[% app.login_url %]?target=[% app.url %]%3Faction%3Dselect_federation" class="button">[% lh.maketext("Get started") %]</a></p>
 
 [% END %]

templates/web/renater/home.tt2.html

@@ -9,6 +9,6 @@
 
 <h2>[% lh.maketext("Get started") %]</h2>
 <p>[% lh.maketext("To start testing your own services, start by selecting one your are administrator for.") %]</p>
-<p class="text-center"><a href="[% app.url %]?action=select_federation" class="button">[% lh.maketext("Get started") %]</a></p>
+<p class="text-center"><a href="[% app.login_url %]?target=[% app.url %]%3Faction%3Dselect_federation" class="button">[% lh.maketext("Get started") %]</a></p>
 
 [% END %]