1 files changed, 151 insertions, 0 deletions
diff --git a/library/Icinga/Web/Controller/AuthBackendController.php b/library/Icinga/Web/Controller/AuthBackendController.php
new file mode 100644
index 0000000..12f8b72
--- /dev/null
+++ b/library/Icinga/Web/Controller/AuthBackendController.php
@@ -0,0 +1,151 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web\Controller;
+
+use ipl\Web\Compat\CompatController;
+use Zend_Controller_Action_Exception;
+use Icinga\Application\Config;
+use Icinga\Authentication\User\UserBackend;
+use Icinga\Authentication\User\UserBackendInterface;
+use Icinga\Authentication\UserGroup\UserGroupBackend;
+use Icinga\Authentication\UserGroup\UserGroupBackendInterface;
+
+/**
+ * Base class for authentication backend controllers
+ */
+class AuthBackendController extends CompatController
+{
+    public function init()
+    {
+        parent::init();
+
+        $this->tabs->disableLegacyExtensions();
+    }
+
+    /**
+     * Redirect to this controller's list action
+     */
+    public function indexAction()
+    {
+        $this->redirectNow($this->getRequest()->getControllerName() . '/list');
+    }
+
+    /**
+     * Return all user backends implementing the given interface
+     *
+     * @param   string  $interface      The class path of the interface, or null if no interface check should be made
+     *
+     * @return  array
+     */
+    protected function loadUserBackends($interface = null)
+    {
+        $backends = array();
+        foreach (Config::app('authentication') as $backendName => $backendConfig) {
+            $candidate = UserBackend::create($backendName, $backendConfig);
+            if (! $interface || $candidate instanceof $interface) {
+                $backends[] = $candidate;
+            }
+        }
+
+        return $backends;
+    }
+
+    /**
+     * Return the given user backend or the first match in order
+     *
+     * @param   string  $name           The name of the backend, or null in case the first match should be returned
+     * @param   string  $interface      The interface the backend should implement, no interface check if null
+     *
+     * @return  UserBackendInterface
+     *
+     * @throws  Zend_Controller_Action_Exception    In case the given backend name is invalid
+     */
+    protected function getUserBackend($name = null, $interface = 'Icinga\Data\Selectable')
+    {
+        $backend = null;
+        if ($name !== null) {
+            $config = Config::app('authentication');
+            if (! $config->hasSection($name)) {
+                $this->httpNotFound(sprintf($this->translate('Authentication backend "%s" not found'), $name));
+            } else {
+                $backend = UserBackend::create($name, $config->getSection($name));
+                if ($interface && !$backend instanceof $interface) {
+                    $interfaceParts = explode('\\', strtolower($interface));
+                    throw new Zend_Controller_Action_Exception(
+                        sprintf(
+                            $this->translate('Authentication backend "%s" is not %s'),
+                            $name,
+                            array_pop($interfaceParts)
+                        ),
+                        400
+                    );
+                }
+            }
+        } else {
+            $backends = $this->loadUserBackends($interface);
+            $backend = array_shift($backends);
+        }
+
+        return $backend;
+    }
+
+    /**
+     * Return all user group backends implementing the given interface
+     *
+     * @param   string  $interface      The class path of the interface, or null if no interface check should be made
+     *
+     * @return  array
+     */
+    protected function loadUserGroupBackends($interface = null)
+    {
+        $backends = array();
+        foreach (Config::app('groups') as $backendName => $backendConfig) {
+            $candidate = UserGroupBackend::create($backendName, $backendConfig);
+            if (! $interface || $candidate instanceof $interface) {
+                $backends[] = $candidate;
+            }
+        }
+
+        return $backends;
+    }
+
+    /**
+     * Return the given user group backend or the first match in order
+     *
+     * @param   string  $name           The name of the backend, or null in case the first match should be returned
+     * @param   string  $interface      The interface the backend should implement, no interface check if null
+     *
+     * @return  UserGroupBackendInterface
+     *
+     * @throws  Zend_Controller_Action_Exception    In case the given backend name is invalid
+     */
+    protected function getUserGroupBackend($name = null, $interface = 'Icinga\Data\Selectable')
+    {
+        $backend = null;
+        if ($name !== null) {
+            $config = Config::app('groups');
+            if (! $config->hasSection($name)) {
+                $this->httpNotFound(sprintf($this->translate('User group backend "%s" not found'), $name));
+            } else {
+                $backend = UserGroupBackend::create($name, $config->getSection($name));
+                if ($interface && !$backend instanceof $interface) {
+                    $interfaceParts = explode('\\', strtolower($interface));
+                    throw new Zend_Controller_Action_Exception(
+                        sprintf(
+                            $this->translate('User group backend "%s" is not %s'),
+                            $name,
+                            array_pop($interfaceParts)
+                        ),
+                        400
+                    );
+                }
+            }
+        } else {
+            $backends = $this->loadUserGroupBackends($interface);
+            $backend = array_shift($backends);
+        }
+
+        return $backend;
+    }
+}