added support for saml login (#1408)

src/Security/DoctrineUserProvider.php

@@ -0,0 +1,77 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Security;
+
+use App\Entity\User;
+use App\Repository\UserRepository;
+use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
+use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
+use Symfony\Component\Security\Core\User\UserInterface as SecurityUserInterface;
+use Symfony\Component\Security\Core\User\UserProviderInterface;
+
+final class DoctrineUserProvider implements UserProviderInterface
+{
+    /**
+     * @var UserRepository
+     */
+    private $repository;
+
+    public function __construct(UserRepository $repository)
+    {
+        $this->repository = $repository;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function loadUserByUsername($username)
+    {
+        $user = null;
+
+        try {
+            /** @var User $user */
+            $user = $this->repository->loadUserByUsername($username);
+        } catch (\Exception $ex) {
+        }
+
+        if (null === $user) {
+            throw new UsernameNotFoundException(sprintf('User "%s" not found.', $username));
+        }
+
+        return $user;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function refreshUser(SecurityUserInterface $user)
+    {
+        if (!$user instanceof User) {
+            throw new UnsupportedUserException(sprintf('Expected an instance of %s, but got "%s".', User::class, get_class($user)));
+        }
+
+        /** @var User $reloadedUser */
+        $reloadedUser = $this->repository->getUserById($user->getId());
+
+        if (null === $reloadedUser) {
+            throw new UsernameNotFoundException(sprintf('User with ID "%s" could not be reloaded.', $user->getId()));
+        }
+
+        return $reloadedUser;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsClass($class)
+    {
+        return $class === User::class || $class === 'App\Entity\User';
+    }
+}