From 5742a841161a2588ef48395b2495fa8c093cb483 Mon Sep 17 00:00:00 2001
From: Danielle Mayabb <danielle@igalia.com>
Date: Thu, 2 Nov 2023 12:52:41 -0700
Subject: [PATCH] Patch login service

- Make oidc client init method public so it can be used elsewhere
- Add check for use of external auth. If using, make a curl request to the token endpoint to log user in with OIDC, set access token and user.
---
 util/LoginManager.php         |  4 +--
 web/services/loginService.php | 49 ++++++++++++++++++++++++++++++++---
 2 files changed, 48 insertions(+), 5 deletions(-)

diff --git a/util/LoginManager.php b/util/LoginManager.php
index befc93a01..8c54b4d85 100644
--- a/util/LoginManager.php
+++ b/util/LoginManager.php
@@ -43,7 +43,7 @@
  */
 class LoginManager
 {
-  private static function setupOidcClient()
+  public static function setupOidcClient()
   {
     $client = new Client(
       ConfigurationParametersManager::getParameter('OIDC_AUTHORITY'),
@@ -299,4 +299,4 @@ public static function hasExtraPermissions( $sid = NULL )
     return false;
 
   }
-}
\ No newline at end of file
+}
diff --git a/web/services/loginService.php b/web/services/loginService.php
index df4611d34..be0dd49f8 100644
--- a/web/services/loginService.php
+++ b/web/services/loginService.php
@@ -30,6 +30,8 @@
     include_once(PHPREPORT_ROOT . '/web/services/WebServicesFunctions.php');
     include_once(PHPREPORT_ROOT . '/model/facade/UsersFacade.php');
     include_once(PHPREPORT_ROOT . '/model/vo/UserVO.php');
+    include_once(PHPREPORT_ROOT . '/util/ConfigurationParametersManager.php');
+    include_once(PHPREPORT_ROOT . '/util/LoginManager.php');
 
     /* Allow login only via HTTP Authentication data only if both username and password are not empty*/
     if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW'])) {
@@ -46,11 +48,52 @@
     $string = "";
 
     try{
-
-        $user = UsersFacade::Login($userLogin, $userPassword);
-
         session_start();
 
+        if (strtolower(ConfigurationParametersManager::getParameter('USE_EXTERNAL_AUTHENTICATION')) === 'true') {
+            $clientId = ConfigurationParametersManager::getParameter('OIDC_CLIENT_ID');
+            $clientSecret = ConfigurationParametersManager::getParameter('JWT_SECRET');
+            $requestUri = ConfigurationParametersManager::getParameter('OIDC_TOKEN_ENDPOINT');
+            $ch = curl_init();
+            $params = "username=" . $userLogin . "&password=" . $userPassword . "&grant_type=password&client_id=" . $clientId . "&client_secret=" . $clientSecret;
+            $headers = array(
+                "Content-type: application/x-www-form-urlencoded"
+            );
+
+            curl_setopt($ch, CURLOPT_URL, $requestUri);
+            curl_setopt($ch, CURLOPT_POST, true);
+            curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
+            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+            $result = curl_exec($ch);
+            $decoded = json_decode($result, true);
+
+            curl_close($ch);
+
+            $api_token = $decoded["access_token"];
+            $refresh_token = $decoded["refresh_token"];
+
+            $oidc = LoginManager::setupOidcClient();
+            $intro_token = $oidc->introspectToken(
+                $api_token,
+                null,
+                $clientId,
+                $clientSecret
+            );
+
+            $user = UsersFacade::GetUserByLogin($intro_token->username);
+            if (!$user)
+                throw new IncorrectLoginException("User not found");
+
+            unset($_SESSION['api_token']);
+            $_SESSION['api_token'] = $api_token;
+            unset($_SESSION['refresh_token']);
+            $_SESSION['refresh_token'] = $refresh_token;
+
+        } else {
+            $user = UsersFacade::Login($userLogin, $userPassword);
+        }
+        unset($_SESSION['user']);
         $_SESSION['user'] = $user;
 
         $sessionId = session_id();