3 files changed, 59 insertions, 2 deletions

diff --git a/.htaccess b/.htaccess
index af2dc5a7..25fcfb03 100644
--- a/.htaccess
+++ b/.htaccess
@@ -10,8 +10,12 @@ RewriteRule ^(.git|doxygen|vendor) - [F]
 # fixes JWT token not correctly forwarded on some Apache/FastCGI setups
 RewriteCond %{HTTP:Authorization} ^(.*)
 RewriteRule .* - [e=HTTP_AUTHORIZATION:%1]
+# Alternative (if the 2 lines above don't work)
+# SetEnvIf Authorization .+ HTTP_AUTHORIZATION=$0
 
 # REST API
+# Ionos Hosting needs RewriteBase /
+# RewriteBase /
 RewriteCond %{REQUEST_FILENAME} !-f
 RewriteCond %{REQUEST_FILENAME} !-d
 RewriteRule ^ index.php [QSA,L]
diff --git a/application/api/ApiMiddleware.php b/application/api/ApiMiddleware.php
index 09ce6445..f5b53b01 100644
--- a/application/api/ApiMiddleware.php
+++ b/application/api/ApiMiddleware.php
@@ -107,7 +107,9 @@ class ApiMiddleware
      */
     protected function checkToken($request)
     {
-        if (! $request->hasHeader('Authorization')) {
+        if (!$request->hasHeader('Authorization')
+            && !isset($this->container->environment['REDIRECT_HTTP_AUTHORIZATION'])
+        ) {
             throw new ApiAuthorizationException('JWT token not provided');
         }
 
@@ -115,7 +117,11 @@ class ApiMiddleware
             throw new ApiAuthorizationException('Token secret must be set in Shaarli\'s administration');
         }
 
-        $authorization = $request->getHeaderLine('Authorization');
+        if (isset($this->container->environment['REDIRECT_HTTP_AUTHORIZATION'])) {
+            $authorization = $this->container->environment['REDIRECT_HTTP_AUTHORIZATION'];
+        } else {
+            $authorization = $request->getHeaderLine('Authorization');
+        }
 
         if (! preg_match('/^Bearer (.*)/i', $authorization, $matches)) {
             throw new ApiAuthorizationException('Invalid JWT header');
diff --git a/tests/api/ApiMiddlewareTest.php b/tests/api/ApiMiddlewareTest.php
index b157e4a7..32031750 100644
--- a/tests/api/ApiMiddlewareTest.php
+++ b/tests/api/ApiMiddlewareTest.php
@@ -67,6 +67,53 @@ class ApiMiddlewareTest extends \PHPUnit\Framework\TestCase
     }
 
     /**
+     * Invoke the middleware with a valid token
+     */
+    public function testInvokeMiddlewareWithValidToken(): void
+    {
+        $next = function (Request $request, Response $response): Response {
+            return $response;
+        };
+        $mw = new ApiMiddleware($this->container);
+        $env = Environment::mock([
+            'REQUEST_METHOD' => 'GET',
+            'REQUEST_URI' => '/echo',
+            'HTTP_AUTHORIZATION'=> 'Bearer ' . ApiUtilsTest::generateValidJwtToken('NapoleonWasALizard'),
+        ]);
+        $request = Request::createFromEnvironment($env);
+        $response = new Response();
+        /** @var Response $response */
+        $response = $mw($request, $response, $next);
+
+        $this->assertEquals(200, $response->getStatusCode());
+    }
+
+    /**
+     * Invoke the middleware with a valid token
+     * Using specific Apache CGI redirected authorization.
+     */
+    public function testInvokeMiddlewareWithValidTokenFromRedirectedHeader(): void
+    {
+        $next = function (Request $request, Response $response): Response {
+            return $response;
+        };
+
+        $token = 'Bearer ' . ApiUtilsTest::generateValidJwtToken('NapoleonWasALizard');
+        $this->container->environment['REDIRECT_HTTP_AUTHORIZATION'] = $token;
+        $mw = new ApiMiddleware($this->container);
+        $env = Environment::mock([
+            'REQUEST_METHOD' => 'GET',
+            'REQUEST_URI' => '/echo',
+        ]);
+        $request = Request::createFromEnvironment($env);
+        $response = new Response();
+        /** @var Response $response */
+        $response = $mw($request, $response, $next);
+
+        $this->assertEquals(200, $response->getStatusCode());
+    }
+
+    /**
      * Invoke the middleware with the API disabled:
      * should return a 401 error Unauthorized.
      */