BARON-SSO 로그인 연동

auth/baron_login.php

@@ -0,0 +1,28 @@
+<?php
+require_once __DIR__ . '/common.php';
+
+auth_session_start_if_needed();
+
+$site = ($_GET['site'] ?? 'egbim') === 'eng' ? 'eng' : 'egbim';
+$returnUrl = trim((string) ($_GET['return_url'] ?? auth_site_qna_url($site)));
+
+if (!auth_baron_is_configured()) {
+    auth_script_redirect('BARON-SSO 설정이 아직 완료되지 않았습니다.', auth_site_base_url($site) . '/index.php');
+}
+
+$config = auth_baron_config();
+$statePayload = auth_baron_state_payload($site, $returnUrl);
+$state = auth_store_baron_state($statePayload);
+
+$query = http_build_query([
+    'client_id' => $config['client_id'],
+    'response_type' => 'code',
+    'redirect_uri' => auth_baron_redirect_uri(),
+    'scope' => $config['scope'],
+    'state' => $state,
+    'nonce' => $statePayload['nonce'],
+]);
+
+header('Location: ' . $config['authorize_endpoint'] . '?' . $query, true, 302);
+exit;
+?>