1 files changed, 73 insertions, 0 deletions
diff --git a/app/Auth/ReverseProxy.php b/app/Auth/ReverseProxy.php
new file mode 100644
index 00000000..e23ee24f
--- /dev/null
+++ b/app/Auth/ReverseProxy.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace Auth;
+
+use Core\Security;
+
+/**
+ * ReverseProxy backend
+ *
+ * @package  auth
+ * @author   Sylvain Veyrié
+ */
+class ReverseProxy extends Base
+{
+    /**
+     * Backend name
+     *
+     * @var string
+     */
+    const AUTH_NAME = 'ReverseProxy';
+
+    /**
+     * Authenticate the user with the HTTP header
+     *
+     * @access public
+     * @return bool
+     */
+    public function authenticate()
+    {
+        if (isset($_SERVER[REVERSE_PROXY_USER_HEADER])) {
+
+            $login = $_SERVER[REVERSE_PROXY_USER_HEADER];
+            $user = $this->user->getByUsername($login);
+
+            if (! $user) {
+                $this->createUser($login);
+                $user = $this->user->getByUsername($login);
+            }
+
+            // Create the user session
+            $this->user->updateSession($user);
+
+            // Update login history
+            $this->lastLogin->create(
+                self::AUTH_NAME,
+                $user['id'],
+                $this->user->getIpAddress(),
+                $this->user->getUserAgent()
+            );
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Create automatically a new local user after the authentication
+     *
+     * @access private
+     * @param  string  $login  Username
+     * @return bool
+     */
+    private function createUser($login)
+    {
+        return $this->user->create(array(
+            'email' => strpos($login, '@') !== false ? $login : '',
+            'username' => $login,
+            'is_admin' => REVERSE_PROXY_DEFAULT_ADMIN === $login,
+            'is_ldap_user' => 1,
+        ));
+    }
+}