Make a default domain configurable

refs #2153

application/forms/Config/General/DefaultAuthenticationDomainConfigForm.php

@@ -0,0 +1,44 @@
+<?php
+/* Icinga Web 2 | (c) 2017 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Forms\Config\General;
+
+use Icinga\Web\Form;
+
+/**
+ * Configuration form for the default domain for authentication
+ *
+ * This form is not used directly but as subform to the {@link GeneralConfigForm}.
+ */
+class DefaultAuthenticationDomainConfigForm extends Form
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function init()
+    {
+        $this->setName('form_config_general_authentication');
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return  $this
+     */
+    public function createElements(array $formData)
+    {
+        $this->addElement(
+            'text',
+            'authentication_default_domain',
+            array(
+                'label'         => $this->translate('Default Domain'),
+                'description'   => $this->translate(
+                    'If a user logs in without specifying any domain (e.g. "jdoe" instead of "jdoe@example.com"),'
+                    . ' this default domain will be assumed.'
+                )
+            )
+        );
+
+        return $this;
+    }
+}

application/forms/Config/GeneralConfigForm.php

@@ -4,6 +4,7 @@
 namespace Icinga\Forms\Config;
 
 use Icinga\Forms\Config\General\ApplicationConfigForm;
+use Icinga\Forms\Config\General\DefaultAuthenticationDomainConfigForm;
 use Icinga\Forms\Config\General\LoggingConfigForm;
 use Icinga\Forms\Config\General\ThemingConfigForm;
 use Icinga\Forms\ConfigForm;
@@ -30,8 +31,10 @@ class GeneralConfigForm extends ConfigForm
         $appConfigForm = new ApplicationConfigForm();
         $loggingConfigForm = new LoggingConfigForm();
         $themingConfigForm = new ThemingConfigForm();
+        $domainConfigForm = new DefaultAuthenticationDomainConfigForm();
         $this->addSubForm($appConfigForm->create($formData));
         $this->addSubForm($loggingConfigForm->create($formData));
         $this->addSubForm($themingConfigForm->create($formData));
+        $this->addSubForm($domainConfigForm->create($formData));
     }
 }