Added support for LDAP user photo profile

app/Subscriber/LdapUserPhotoSubscriber.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Kanboard\Subscriber;
+
+use Kanboard\Core\User\UserProfile;
+use Kanboard\Event\UserProfileSyncEvent;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Class LdapUserPhotoSubscriber
+ *
+ * @package Kanboard\Subscriber
+ * @author  Frederic Guillot
+ */
+class LdapUserPhotoSubscriber extends BaseSubscriber implements EventSubscriberInterface
+{
+    /**
+     * Get event listeners
+     *
+     * @static
+     * @access public
+     * @return array
+     */
+    public static function getSubscribedEvents()
+    {
+        return array(
+            UserProfile::EVENT_USER_PROFILE_AFTER_SYNC => 'syncUserPhoto',
+        );
+    }
+
+    /**
+     * Save the user profile photo from LDAP to the object storage
+     *
+     * @access public
+     * @param  UserProfileSyncEvent $event
+     */
+    public function syncUserPhoto(UserProfileSyncEvent $event)
+    {
+        if (is_a($event->getUser(), 'Kanboard\User\LdapUserProvider')) {
+            $profile = $event->getProfile();
+            $photo = $event->getUser()->getPhoto();
+
+            if (empty($profile['avatar_path']) && ! empty($photo)) {
+                $this->logger->info('Saving user photo from LDAP profile');
+                $this->avatarFile->uploadImageContent($profile['id'], $photo);
+            }
+        }
+    }
+}