From fa40e86cb022eff0ddb365e46e33ebdcefa6d484 Mon Sep 17 00:00:00 2001
From: Agustin Moyano <agustinmoyano@theke.io>
Date: Tue, 23 Aug 2022 11:58:58 -0300
Subject: [PATCH] Bug 31378: Add auth providers template plugin

Signed-off-by: Lukasz Koszyk <lukasz.koszyk@kit.edu>
---
 Koha/Template/Plugin/AuthClient.pm | 73 ++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Koha/Template/Plugin/AuthClient.pm

diff --git a/Koha/Template/Plugin/AuthClient.pm b/Koha/Template/Plugin/AuthClient.pm
new file mode 100644
index 0000000000..6e4ee144b0
--- /dev/null
+++ b/Koha/Template/Plugin/AuthClient.pm
@@ -0,0 +1,73 @@
+package Koha::Template::Plugin::AuthClient;
+
+# Copyright Theke Solutions 2022
+#
+# This file is part of Koha.
+#
+# Koha is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# Koha is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Koha; if not, see <http://www.gnu.org/licenses>.
+
+use Modern::Perl;
+
+use Template::Plugin;
+use base qw( Template::Plugin );
+
+use Koha::Auth::Providers;
+
+=head1 NAME
+
+Koha::Template::Plugin::AuthClient
+
+=head1 DESCRIPTION
+
+This plugin is used to retrieve configured and valid authentication
+providers in the caller context.
+
+=head1 API
+
+=head2 Methods
+
+=head3 get_providers
+
+    [% FOREACH provider IN AuthClient.get_providers %] ...
+
+=cut
+
+sub get_providers {
+    my ( $self, $interface ) = @_;
+
+    $interface = 'staff'
+      if $interface eq 'intranet';
+
+    my $providers = Koha::Auth::Providers->search( { "domains.allow_$interface" => 1 }, { prefetch => 'domains' } );
+    my $base_url  = ( $interface ne 'staff' ) ? "/api/v1/public/oauth/login" : "/api/v1/public/oauth/login";
+
+    my @urls;
+
+    while ( my $provider = $providers->next ) {
+
+        my $code = $provider->code;
+
+        if ( $provider->protocol eq 'OIDC' || $provider->protocol eq 'OAuth' ) {
+            push @urls,
+              { code        => $code,
+                description => $provider->description,
+                icon_url    => $provider->icon_url,
+                url         => "$base_url/$code/$interface",
+              };
+        }
+    }
+    return \@urls;
+}
+
+1;
-- 
2.20.1