Show link to registration page when no inflow registration is allowed

Author: tvdijen

templates/authentication.tpl.php

@@ -18,6 +18,8 @@
             <input type='hidden' id='operation' name='operation' value='AUTH'/>
             <button type='button' id='authformSubmit'><?php echo htmlspecialchars($this->t('{webauthn:webauthn:authTokenButton}')); ?></button>
         </form>
+    <?php else: ?>
+        <p>Please first register your token on the <a href="<?php echo htmlspecialchars(SimpleSAML\Module::getModuleURL('webauthn/registration.php')); ?>">registration page</a> before continuing.
     <?php endif; ?>
     <script src="<?php echo htmlspecialchars(SimpleSAML\Module::getModuleUrl('webauthn/')); ?>assets/js/webauthn.js"></script>
     <script src="<?php echo htmlspecialchars(SimpleSAML\Module::getModuleUrl('webauthn/')); ?>assets/js/authentication.js"></script>

templates/authentication.twig

@@ -19,6 +19,8 @@
             <input type='hidden' id='operation' name='operation' value='AUTH'/>
             <button type='button' id='authformSubmit'>{{ '{webauthn:webauthn:authTokenButton}'|trans }}</button>
         </form>
+    {% else %}
+        <p>Please first register your token on the <a href="{{ moduleURL('webauthn/registration.php') }}">registration page</a> before continuing.
     {% endif %}
     <script src="{{ asset('js/webauthn.js', 'webauthn') }}"></script>
     <script src="{{ asset('js/authentication.js', 'webauthn') }}"></script>