1 files changed, 83 insertions, 0 deletions
diff --git a/Acl/Domain/UserSecurityIdentity.php b/Acl/Domain/UserSecurityIdentity.php
new file mode 100644
index 0000000..ddc7566
--- /dev/null
+++ b/Acl/Domain/UserSecurityIdentity.php
@@ -0,0 +1,83 @@
+<?php
+
+namespace Symfony\Component\Security\Acl\Domain;
+
+use Symfony\Component\Security\Acl\Model\SecurityIdentityInterface;
+use Symfony\Component\Security\Authentication\Token\TokenInterface;
+
+/*
+ * This file is part of the Symfony framework.
+ *
+ * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+/**
+ * A SecurityIdentity implementation used for actual users
+ *
+ * FIXME: We need to also store the user provider id since the
+ *        username might not be unique across all available user
+ *        providers.
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class UserSecurityIdentity implements SecurityIdentityInterface
+{
+    protected $username;
+
+    /**
+     * Constructor
+     *
+     * @param mixed $username the username representation, or a TokenInterface
+     *              implementation
+     * @return void
+     */
+    public function __construct($username)
+    {
+        if ($username instanceof TokenInterface) {
+            $username = (string) $username;
+        }
+
+        if (0 === strlen($username)) {
+            throw new \InvalidArgumentException('$username must not be empty.');
+        }
+
+        $this->username = $username;
+    }
+
+    /**
+     * Returns the username
+     *
+     * @return string
+     */
+    public function getUsername()
+    {
+        return $this->username;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function equals(SecurityIdentityInterface $sid)
+    {
+        if (!$sid instanceof UserSecurityIdentity) {
+            return false;
+        }
+
+        return $this->username === $sid->getUsername();
+    }
+
+    /**
+     * A textual representation of this security identity.
+     *
+     * This is not used for equality comparison, but only for debugging.
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return sprintf('UserSecurityIdentity(%s)', $this->username);
+    }
+}
+\ No newline at end of file