Rewrite of the authentication and authorization system

app/Core/User/UserSync.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Kanboard\Core\User;
+
+use Kanboard\Core\Base;
+
+/**
+ * User Synchronization
+ *
+ * @package  user
+ * @author   Frederic Guillot
+ */
+class UserSync extends Base
+{
+    /**
+     * Synchronize user profile
+     *
+     * @access public
+     * @param  UserProviderInterface $user
+     * @return array
+     */
+    public function synchronize(UserProviderInterface $user)
+    {
+        $profile = $this->user->getByExternalId($user->getExternalIdColumn(), $user->getExternalId());
+        $properties = UserProperty::getProperties($user);
+
+        if (! empty($profile)) {
+            $profile = $this->updateUser($profile, $properties);
+        } elseif ($user->isUserCreationAllowed()) {
+            $profile = $this->createUser($user, $properties);
+        }
+
+        return $profile;
+    }
+
+    /**
+     * Update user profile
+     *
+     * @access public
+     * @param  array    $profile
+     * @param  array    $properties
+     * @return array
+     */
+    private function updateUser(array $profile, array $properties)
+    {
+        $values = UserProperty::filterProperties($profile, $properties);
+
+        if (! empty($values)) {
+            $values['id'] = $profile['id'];
+            $result = $this->user->update($values);
+            return $result ? array_merge($profile, $properties) : $profile;
+        }
+
+        return $profile;
+    }
+
+    /**
+     * Create user
+     *
+     * @access public
+     * @param  UserProviderInterface  $user
+     * @param  array                  $properties
+     * @return array
+     */
+    private function createUser(UserProviderInterface $user, array $properties)
+    {
+        $id = $this->user->create($properties);
+
+        if ($id === false) {
+            $this->logger->error('Unable to create user profile: '.$user->getExternalId());
+            return array();
+        }
+
+        return $this->user->getById($id);
+    }
+}