From 0b5879350e6bfaeb538755b9408eda88b2e501cd Mon Sep 17 00:00:00 2001
From: Agustin Moyano <agustinmoyano@theke.io>
Date: Tue, 23 Aug 2022 12:00:47 -0300
Subject: [PATCH] Bug 31378: Add OPAC support for authentication providers

Signed-off-by: Lukasz Koszyk <lukasz.koszyk@kit.edu>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
---
 .../bootstrap/en/includes/masthead.inc        | 18 +++++++++++++
 .../bootstrap/en/modules/opac-auth.tt         | 26 +++++++++++++++++++
 .../bootstrap/en/modules/opac-main.tt         | 18 +++++++++++++
 3 files changed, 62 insertions(+)

diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/includes/masthead.inc b/koha-tmpl/opac-tmpl/bootstrap/en/includes/masthead.inc
index 8c3e8575a7a..f8c97c1780c 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/includes/masthead.inc
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/includes/masthead.inc
@@ -2,6 +2,7 @@
 [% USE Koha %]
 [% USE Branches %]
 [% USE Categories %]
+[% USE AuthClient %]
 [% USE AdditionalContents %]
 [% PROCESS 'html_helpers.inc' %]
 [% SET OpacLangSelectorMode = Koha.Preference('OpacLangSelectorMode') %]
@@ -384,6 +385,23 @@
                             [% END %]
                         [% END %]
                         [% UNLESS Koha.Preference('opacShibOnly') %]
+                            [% SET auth_providers = AuthClient.get_providers('opac') %]
+                            [% IF ( ! auth_providers.empty ) %]
+                                [% FOREACH provider IN auth_providers %]
+                                    <p class="clearfix">
+                                        <a href="[% provider.url | url %]" class="btn btn-light col-md-12" id="provider_[% provider.code | html %]">
+                                            [% IF provider.icon_url %]
+                                            <img src="[% provider.icon_url | url %]" />
+                                            [% ELSE %]
+                                            <i class="fa fa-user" aria-hidden="true"></i>
+                                            [% END %]
+                                            Log in with [% provider.description | html %]
+                                        </a>
+                                    </p>
+                                [% END %]
+                                <hr/>
+                                <p>If you do not have an external account, but do have a local account, you can still log in: </p>
+                            [% END # /IF  auth_providers.size %]
                             <input type="hidden" name="koha_login_context" value="opac" />
                             <fieldset class="brief">
                                 <div class="local-login">
diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-auth.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-auth.tt
index 62a8ee03ed4..c9be3125fd4 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-auth.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-auth.tt
@@ -2,6 +2,7 @@
 [% USE Koha %]
 [% USE Categories %]
 [% USE AdditionalContents %]
+[% USE AuthClient %]
 [% PROCESS 'html_helpers.inc' %]
 [% SET OpacLoginInstructions = AdditionalContents.get( location => "OpacLoginInstructions", lang => lang, library => branchcode || default_branch ) %]
 [% INCLUDE 'doc-head-open.inc' %]
@@ -76,6 +77,13 @@
                                 </div>
                             [% END %]
 
+                            [% IF auth_error %]
+                                <div class="alert alert-info">
+                                    <p>There was an error authenticating to external identity provider</p>
+                                    <p>[% auth_error | html %]</p>
+                                </div>
+                            [% END %]
+
                             [% IF ( shibbolethAuthentication ) %]
                                 [% IF ( invalidShibLogin ) %]
                                     <!-- This is what is displayed if shibboleth login has failed to match a koha user -->
@@ -155,6 +163,24 @@
 
                             [% END # / IF casAuthentication %]
 
+                            [% SET auth_providers = AuthClient.get_providers('opac') %]
+                            [% IF ( ! auth_providers.empty ) %]
+                                [% FOREACH provider IN auth_providers %]
+                                    <p class="clearfix">
+                                        <a href="[% provider.url | url %]" class="btn btn-light col-md-12" id="provider_[% provider.code | html %]">
+                                            [% IF provider.icon_url %]
+                                                <img src="[% provider.icon_url | url %]" style="max-height: 20px; max-width: 20px;"/>
+                                            [% ELSE %]
+                                            <i class="fa fa-user" aria-hidden="true"></i>
+                                            [% END %]
+                                            Log in with [% provider.description | html %]
+                                        </a>
+                                    </p>
+                                [% END %]
+                                <hr/>
+                                <p>If you do not have an external account, but do have a local account, you can still log in: </p>
+                            [% END # /IF  auth_providers %]
+
                             [% IF ( Koha.Preference('GoogleOpenIDConnect') == 1 ) %]
                                 [% IF ( invalidGoogleOpenIDConnectLogin ) %]
                                     <h2>Google login</h2>
diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-main.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-main.tt
index 3d7f3f41254..fabd4e8df30 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-main.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-main.tt
@@ -5,6 +5,7 @@
 [% USE Categories %]
 [% USE Price %]
 [% USE AdditionalContents %]
+[% USE AuthClient %]
 [% PROCESS 'i18n.inc' %]
 [% SET OpacNav = AdditionalContents.get( location => "OpacNav", lang => lang, library => logged_in_user.branchcode || default_branch, blocktitle => 0 ) %]
 [% SET OpacNavBottom = AdditionalContents.get( location => "OpacNavBottom", lang => lang, library => logged_in_user.branchcode || default_branch, blocktitle => 0 ) %]
@@ -191,6 +192,23 @@
                                             <a href="/cgi-bin/koha/svc/auth/googleopenidconnect" class="btn btn-light" id="openid_connect"><i class="fa fa-google" aria-hidden="true"></i> Log in with Google</a>
                                             <p>If you do not have a Google account, but do have a local account, you can still log in: </p>
                                         [% END # /IF GoogleOpenIDConnect %]
+                                        [% SET auth_providers = AuthClient.get_providers('opac') %]
+                                        [% IF ( ! auth_providers.empty ) %]
+                                            [% FOREACH provider IN auth_providers %]
+                                                <p class="clearfix">
+                                                    <a href="[% provider.url | url %]" class="btn btn-light col-md-12" id="provider_[% provider.code | html %]">
+                                                        [% IF provider.icon_url %]
+                                                        <img src="[% provider.icon_url | url %]"  style="max-height: 20px; max-width: 20px;"/>
+                                                        [% ELSE %]
+                                                        <i class="fa fa-user" aria-hidden="true"></i>
+                                                        [% END %]
+                                                        Log in with [% provider.description | html %]
+                                                    </a>
+                                                </p>
+                                            [% END %]
+                                            <hr/>
+                                            <p>If you do not have an external account, but do have a local account, you can still log in: </p>
+                                        [% END # /IF  auth_providers.size %]
                                         <div class="local-login">
                                             <label for="userid">Login:</label>
                                             <input class="form-control" type="text" id="userid" name="userid" autocomplete="off" />
-- 
2.34.1