Review

app.php

@@ -19,6 +19,7 @@ require_once __DIR__ . '/config-dist.php'; // For not in own config defined valu
 if ((GROCY_MODE === 'dev' || GROCY_MODE === 'demo' || GROCY_MODE === 'prerelease') && !defined('GROCY_USER_ID'))
 {
 	define('GROCY_USER_ID', 1);
+	define('GROCY_SHOW_AUTH_VIEWS', true);
 }
 
 // Definitions for disabled authentication mode
@@ -28,6 +29,7 @@ if (GROCY_DISABLE_AUTH === true)
 	{
 		define('GROCY_USER_ID', 1);
 	}
+	define('GROCY_SHOW_AUTH_VIEWS', false);
 }
 
 // Setup base application

config-dist.php

@@ -66,11 +66,13 @@ Setting('ENTRY_PAGE', 'stock');
 # places where user context is needed will then use the default (first existing) user
 Setting('DISABLE_AUTH', false);
 
-#
-Setting('AUTH_CLASS', '\\Grocy\\Middleware\\DefaultAuthMiddleware');
+# Either "Grocy\Middleware\DefaultAuthMiddleware", "Grocy\Middleware\ReverseProxyAuthMiddleware"
+# or any class that implements Grocy\Middleware\AuthMiddleware
+Setting('AUTH_CLASS', 'Grocy\Middleware\DefaultAuthMiddleware');
 
-# The Header-name with the username set by the reverse-proxy (case-insensitive)
-Setting('PROXY_AUTH_HEADER', 'X-Username');
+# When using ReverseProxyAuthMiddleware,
+# the name of the HTTP header which your reverse proxy uses to pass the username (on successful authentication)
+Setting('REVERSE_PROXY_AUTH_HEADER', 'REMOTE_USER');
 
 # Set this to true if you want to disable the ability to scan a barcode via the device camera (Browser API)
 Setting('DISABLE_BROWSER_BARCODE_CAMERA_SCANNING', false);

middleware/ApiKeyAuthMiddleware.php

@@ -1,14 +1,13 @@
 <?php
 
-
 namespace Grocy\Middleware;
 
-
-use Grocy\Services\ApiKeyService;
 use Psr\Http\Message\ResponseFactoryInterface;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Slim\Routing\RouteContext;
 
+use Grocy\Services\ApiKeyService;
+
 class ApiKeyAuthMiddleware extends AuthMiddleware
 {
     public function __construct(\DI\Container $container, ResponseFactoryInterface $responseFactory)
@@ -21,7 +20,10 @@ class ApiKeyAuthMiddleware extends AuthMiddleware
 
     function authenticate(Request $request)
     {
-        define('GROCY_SHOW_AUTH_VIEWS', true);
+        if (!defined('GROCY_SHOW_AUTH_VIEWS'))
+        {
+            define('GROCY_SHOW_AUTH_VIEWS', true);
+        }
 
         $routeContext = RouteContext::fromRequest($request);
         $route = $routeContext->getRoute();
@@ -30,36 +32,45 @@ class ApiKeyAuthMiddleware extends AuthMiddleware
         $validApiKey = true;
         $usedApiKey = null;
 
-
         $apiKeyService = new ApiKeyService();
 
         // First check of the API key in the configured header
-        if (!$request->hasHeader($this->ApiKeyHeaderName) || !$apiKeyService->IsValidApiKey($request->getHeaderLine($this->ApiKeyHeaderName))) {
+        if (!$request->hasHeader($this->ApiKeyHeaderName) || !$apiKeyService->IsValidApiKey($request->getHeaderLine($this->ApiKeyHeaderName)))
+        {
             $validApiKey = false;
-        } else {
+        }
+        else
+        {
             $usedApiKey = $request->getHeaderLine($this->ApiKeyHeaderName);
         }
 
         // Not recommended, but it's also possible to provide the API key via a query parameter (same name as the configured header)
-        if (!$validApiKey && !empty($request->getQueryParam($this->ApiKeyHeaderName)) && $apiKeyService->IsValidApiKey($request->getQueryParam($this->ApiKeyHeaderName))) {
+        if (!$validApiKey && !empty($request->getQueryParam($this->ApiKeyHeaderName)) && $apiKeyService->IsValidApiKey($request->getQueryParam($this->ApiKeyHeaderName)))
+        {
             $validApiKey = true;
             $usedApiKey = $request->getQueryParam($this->ApiKeyHeaderName);
         }
 
         // Handling of special purpose API keys
-        if (!$validApiKey) {
-            if ($routeName === 'calendar-ical') {
-                if ($request->getQueryParam('secret') !== null && $apiKeyService->IsValidApiKey($request->getQueryParam('secret'), ApiKeyService::API_KEY_TYPE_SPECIAL_PURPOSE_CALENDAR_ICAL)) {
+        if (!$validApiKey)
+        {
+            if ($routeName === 'calendar-ical')
+            {
+                if ($request->getQueryParam('secret') !== null && $apiKeyService->IsValidApiKey($request->getQueryParam('secret'), ApiKeyService::API_KEY_TYPE_SPECIAL_PURPOSE_CALENDAR_ICAL))
+                {
                     $validApiKey = true;
                 }
             }
         }
 
-        if ($validApiKey) {
+        if ($validApiKey)
+        {
             return $apiKeyService->GetUserByApiKey($usedApiKey);
 
-        } else {
+        }
+        else
+        {
             return null;
         }
     }
-}
+}

middleware/AuthMiddleware.php

@@ -1,18 +1,15 @@
 <?php
 
-
 namespace Grocy\Middleware;
 
-
-use Grocy\Auth\ApiKeyAuthProvider;
-use Grocy\Auth\ProxyAuthProvider;
-use Grocy\Auth\SessionAuthProvider;
 use Psr\Http\Message\ResponseFactoryInterface;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Http\Server\RequestHandlerInterface as RequestHandler;
 use Slim\Routing\RouteContext;
 
+use Grocy\Services\SessionService;
+
 abstract class AuthMiddleware extends BaseMiddleware
 {
     public function __construct(\DI\Container $container, ResponseFactoryInterface $responseFactory)
@@ -28,28 +25,51 @@ abstract class AuthMiddleware extends BaseMiddleware
         $routeContext = RouteContext::fromRequest($request);
         $route = $routeContext->getRoute();
         $routeName = $route->getName();
-        if ($routeName === 'root') {
+        $isApiRoute = string_starts_with($request->getUri()->getPath(), '/api/');
+
+        if ($routeName === 'root')
+        {
             return $handler->handle($request);
         }
-        if ($routeName === 'login') {
+        else if ($routeName === 'login')
+        {
             define('GROCY_AUTHENTICATED', false);
             return $handler->handle($request);
         }
-        if (GROCY_MODE === 'dev' || GROCY_MODE === 'demo' || GROCY_MODE === 'prerelease' || GROCY_IS_EMBEDDED_INSTALL || GROCY_DISABLE_AUTH) {
+        if (GROCY_MODE === 'dev' || GROCY_MODE === 'demo' || GROCY_MODE === 'prerelease' || GROCY_IS_EMBEDDED_INSTALL || GROCY_DISABLE_AUTH)
+        {
+            $sessionService = SessionService::getInstance();
+            $user = $sessionService->GetDefaultUser();
+
             define('GROCY_AUTHENTICATED', true);
+            define('GROCY_USER_USERNAME', $user->username);
+
             return $handler->handle($request);
-        } else {
+        }
+        else
+        {
             $user = $this->authenticate($request);
-            if ($user === null) {
+
+            if ($user === null)
+            {
                 define('GROCY_AUTHENTICATED', false);
+
                 $response = $this->ResponseFactory->createResponse();
-                return $response->withHeader('Location', $this->AppContainer->get('UrlManager')->ConstructUrl('/login'));
-            } else {
+                if ($isApiRoute)
+                {
+                    return $response->withStatus(401);
+                }
+                else
+                {
+                    return $response->withHeader('Location', $this->AppContainer->get('UrlManager')->ConstructUrl('/login'));
+                }
+            }
+            else
+            {
                 define('GROCY_AUTHENTICATED', true);
                 define('GROCY_USER_ID', $user->id);
                 define('GROCY_USER_USERNAME', $user->username);
 
-
                 return $response = $handler->handle($request);
             }
         }
@@ -61,5 +81,4 @@ abstract class AuthMiddleware extends BaseMiddleware
      * @throws \Exception Throws an \Exception if config is invalid.
      */
     protected abstract function authenticate(Request $request);
-
-}
+}

middleware/DefaultAuthMiddleware.php

@@ -1,25 +1,24 @@
 <?php
 
-
 namespace Grocy\Middleware;
 
-
 use Psr\Http\Message\ServerRequestInterface as Request;
 
 class DefaultAuthMiddleware extends AuthMiddleware
 {
-
     protected function authenticate(Request $request)
     {
+        // First try to authenticate by API key
         $auth = new ApiKeyAuthMiddleware($this->AppContainer, $this->ResponseFactory);
         $user = $auth->authenticate($request);
         if ($user !== null)
+        {
             return $user;
+        }
 
+        // Then by session cookie
         $auth = new SessionAuthMiddleware($this->AppContainer, $this->ResponseFactory);
         $user = $auth->authenticate($request);
-
         return $user;
-
     }
-}
+}

middleware/ProxyAuthMiddleware.php

@@ -1,39 +0,0 @@
-<?php
-
-
-namespace Grocy\Middleware;
-
-
-use Grocy\Services\DatabaseService;
-use Grocy\Services\UsersService;
-use Psr\Http\Message\ServerRequestInterface as Request;
-
-class ProxyAuthMiddleware extends AuthMiddleware
-{
-    function authenticate(Request $request)
-    {
-        define('GROCY_SHOW_AUTH_VIEWS', false);
-
-        $db = DatabaseService::getInstance()->GetDbConnection();
-
-        $username = $request->getHeader(GROCY_PROXY_AUTH_HEADER);
-        error_log(var_dump($username));
-        if (count($username) != 1) {
-            // Invalid configuration of Proxy
-            throw new \Exception("Invalid Username from Proxy " . var_dump($username));
-        }
-
-        $username = $username[0];
-
-        $user = $db->users()->where('username', $username)->fetch();
-        if ($user == null) {
-            $user = UsersService::getInstance()->CreateUser(
-                $username,
-                '',
-                '',
-                ''
-            );
-        }
-        return $user;
-    }
-}

middleware/ReverseProxyAuthMiddleware.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Grocy\Middleware;
+
+use Psr\Http\Message\ServerRequestInterface as Request;
+
+use Grocy\Services\DatabaseService;
+use Grocy\Services\UsersService;
+
+class ReverseProxyAuthMiddleware extends AuthMiddleware
+{
+    function authenticate(Request $request)
+    {
+        if (!defined('GROCY_SHOW_AUTH_VIEWS'))
+        {
+            define('GROCY_SHOW_AUTH_VIEWS', false);
+        }
+
+        $db = DatabaseService::getInstance()->GetDbConnection();
+
+        $username = $request->getHeader(GROCY_REVERSE_PROXY_AUTH_HEADER);
+        
+        if (count($username) !== 1)
+        {
+            // Invalid configuration of Proxy
+            throw new \Exception("ReverseProxyAuthMiddleware: Invalid username from proxy: " . var_dump($username));
+        }
+
+        $username = $username[0];
+
+        $user = $db->users()->where('username', $username)->fetch();
+        
+        if ($user == null)
+        {
+            $user = UsersService::getInstance()->CreateUser($username, '', '', '');
+        }
+
+        return $user;
+    }
+}

middleware/SessionAuthMiddleware.php

@@ -3,11 +3,11 @@
 
 namespace Grocy\Middleware;
 
-
-use Grocy\Services\SessionService;
 use Psr\Http\Message\ResponseFactoryInterface;
 use Psr\Http\Message\ServerRequestInterface as Request;
 
+use Grocy\Services\SessionService;
+
 class SessionAuthMiddleware extends AuthMiddleware
 {
     public function __construct(\DI\Container $container, ResponseFactoryInterface $responseFactory)
@@ -20,13 +20,19 @@ class SessionAuthMiddleware extends AuthMiddleware
 
     function authenticate(Request $request)
     {
-        define('GROCY_SHOW_AUTH_VIEWS', true);
+        if (!defined('GROCY_SHOW_AUTH_VIEWS'))
+        {
+            define('GROCY_SHOW_AUTH_VIEWS', true);
+        }
 
         $sessionService = SessionService::getInstance();
-        if (!isset($_COOKIE[$this->SessionCookieName]) || !$sessionService->IsValidSession($_COOKIE[$this->SessionCookieName])) {
+        if (!isset($_COOKIE[$this->SessionCookieName]) || !$sessionService->IsValidSession($_COOKIE[$this->SessionCookieName]))
+        {
             return null;
-        } else {
+        }
+        else
+        {
             return $sessionService->GetUserBySessionKey($_COOKIE[$this->SessionCookieName]);
         }
     }
-}
+}

routes.php

@@ -7,7 +7,9 @@ use Slim\Routing\RouteCollectorProxy;
 
 use Grocy\Middleware\JsonMiddleware;
 use Grocy\Middleware\CorsMiddleware;
-$auth_middleware = GROCY_AUTH_CLASS;
+
+$authMiddlewareClass = GROCY_AUTH_CLASS;
+
 $app->group('', function(RouteCollectorProxy $group)
 {
 	// System routes
@@ -132,7 +134,7 @@ $app->group('', function(RouteCollectorProxy $group)
 	$group->get('/api', '\Grocy\Controllers\OpenApiController:DocumentationUi');
 	$group->get('/manageapikeys', '\Grocy\Controllers\OpenApiController:ApiKeysList');
 	$group->get('/manageapikeys/new', '\Grocy\Controllers\OpenApiController:CreateNewApiKey');
-})->add(new $auth_middleware($container, $app->getResponseFactory()));
+})->add(new $authMiddlewareClass($container, $app->getResponseFactory()));
 
 $app->group('/api', function(RouteCollectorProxy $group)
 {
@@ -252,7 +254,7 @@ $app->group('/api', function(RouteCollectorProxy $group)
 		$group->get('/calendar/ical/sharing-link', '\Grocy\Controllers\CalendarApiController:IcalSharingLink');
 	}
 })->add(JsonMiddleware::class)
-->add(new $auth_middleware($container, $app->getResponseFactory()));
+->add(new $authMiddlewareClass($container, $app->getResponseFactory()));
 
 // Handle CORS preflight OPTIONS requests
 $app->options('/api/{routes:.+}', function(Request $request, Response $response): Response