Add AuthBackend page

refs #7163

application/forms/Setup/AuthBackendPage.php

@@ -0,0 +1,135 @@
+<?php
+// {{{ICINGA_LICENSE_HEADER}}}
+// {{{ICINGA_LICENSE_HEADER}}}
+
+namespace Icinga\Form\Setup;
+
+use Zend_Config;
+use Icinga\Web\Form;
+use Icinga\Form\Config\Authentication\DbBackendForm;
+use Icinga\Form\Config\Authentication\LdapBackendForm;
+use Icinga\Form\Config\Authentication\AutologinBackendForm;
+
+/**
+ * Wizard page to define authentication backend specific details
+ */
+class AuthBackendPage extends Form
+{
+    /**
+     * The resource configuration to use
+     *
+     * @var array
+     */
+    protected $config;
+
+    /**
+     * Initialize this page
+     */
+    public function init()
+    {
+        $this->setName('setup_authentication_backend');
+    }
+
+    /**
+     * Set the resource configuration to use
+     *
+     * @param   array   $config
+     *
+     * @return  self
+     */
+    public function setResourceConfig(array $config)
+    {
+        $this->config = $config;
+        return $this;
+    }
+
+    /**
+     * Return the resource configuration as Zend_Config object
+     *
+     * @return  Zend_Config
+     */
+    public function getResourceConfig()
+    {
+        return new Zend_Config($this->config);
+    }
+
+    /**
+     * @see Form::createElements()
+     */
+    public function createElements(array $formData)
+    {
+        $this->addElement(
+            'note',
+            'description',
+            array(
+                'value' => sprintf(
+                    t(
+                        'Now please enter all configuration details required to authenticate using this %s backend.',
+                        'setup.auth.backend'
+                    ),
+                    $this->config['type'] === 'db' ? t('database', 'setup.auth.backend.type') : (
+                        $this->config['type'] === 'ldap' ? 'LDAP' : t('autologin', 'setup.auth.backend.type')
+                    )
+                )
+            )
+        );
+
+        if (isset($formData['skip_validation']) && $formData['skip_validation']) {
+            $this->addSkipValidationCheckbox();
+        }
+
+        if ($this->config['type'] === 'db') {
+            $backendForm = new DbBackendForm();
+            $backendForm->createElements($formData)->removeElement('resource');
+        } elseif ($this->config['type'] === 'ldap') {
+            $backendForm = new LdapBackendForm();
+            $backendForm->createElements($formData)->removeElement('resource');
+        } else { // $this->config['type'] === 'autologin'
+            $backendForm = new AutologinBackendForm();
+            $backendForm->createElements($formData);
+        }
+
+        $this->addElements($backendForm->getElements());
+    }
+
+    /**
+     * Validate the given form data and check whether it's possible to authenticate using the configured backend
+     *
+     * @param   array   $data   The data to validate
+     *
+     * @return  bool
+     */
+    public function isValid($data)
+    {
+        if (false === parent::isValid($data)) {
+            return false;
+        }
+
+        if (false === isset($data['skip_validation']) || $data['skip_validation'] == 0) {
+            if ($this->config['type'] === 'ldap' && false === LdapBackendForm::isValidAuthenticationBackend($this)) {
+                $this->addSkipValidationCheckbox();
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Add a checkbox to this form by which the user can skip the authentication validation
+     */
+    protected function addSkipValidationCheckbox()
+    {
+        $this->addElement(
+            'checkbox',
+            'skip_validation',
+            array(
+                'order'         => 1,
+                'ignore'        => true,
+                'required'      => true,
+                'label'         => t('Skip Validation'),
+                'description'   => t('Check this to not to validate authentication using this backend')
+            )
+        );
+    }
+}