[add] UserProvider

src/Poche/User/UserProvider.php

@@ -0,0 +1,43 @@
+<?php
+namespace Poche\User;
+ 
+use Symfony\Component\Security\Core\User\UserProviderInterface;
+use Symfony\Component\Security\Core\User\UserInterface;
+use Symfony\Component\Security\Core\User\User;
+use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
+use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
+use Doctrine\DBAL\Connection;
+ 
+class UserProvider implements UserProviderInterface
+{
+    private $conn;
+ 
+    public function __construct(Connection $conn)
+    {
+        $this->conn = $conn;
+    }
+ 
+    public function loadUserByUsername($username)
+    {
+        $stmt = $this->conn->executeQuery('SELECT * FROM users WHERE username = ?', array(strtolower($username)));
+        if (!$user = $stmt->fetch()) {
+            throw new UsernameNotFoundException(sprintf('Username "%s" does not exist.', $username));
+        }
+ 
+        return new User($user['username'], $user['password'], explode(',', $user['roles']), true, true, true, true);
+    }
+ 
+    public function refreshUser(UserInterface $user)
+    {
+        if (!$user instanceof User) {
+            throw new UnsupportedUserException(sprintf('Instances of "%s" are not supported.', get_class($user)));
+        }
+ 
+        return $this->loadUserByUsername($user->getUsername());
+    }
+ 
+    public function supportsClass($class)
+    {
+        return $class === 'Symfony\Component\Security\Core\User\User';
+    }
+}