2 files changed, 13 insertions, 10 deletions

diff --git a/application/api/ApiMiddleware.php b/application/api/ApiMiddleware.php
index 162e88e0..522091ca 100644
--- a/application/api/ApiMiddleware.php
+++ b/application/api/ApiMiddleware.php
@@ -98,8 +98,7 @@ class ApiMiddleware
      * @throws ApiAuthorizationException The token couldn't be validated.
      */
     protected function checkToken($request) {
-        $jwt = $request->getHeaderLine('jwt');
-        if (empty($jwt)) {
+        if (! $request->hasHeader('Authorization')) {
             throw new ApiAuthorizationException('JWT token not provided');
         }
 
@@ -107,7 +106,13 @@ class ApiMiddleware
             throw new ApiAuthorizationException('Token secret must be set in Shaarli\'s administration');
         }
 
-        ApiUtils::validateJwtToken($jwt, $this->conf->get('api.secret'));
+        $authorization = $request->getHeaderLine('Authorization');
+
+        if (! preg_match('/^Bearer (.*)/i', $authorization, $matches)) {
+            throw new ApiAuthorizationException('Invalid JWT header');
+        }
+
+        ApiUtils::validateJwtToken($matches[1], $this->conf->get('api.secret'));
     }
 
     /**
diff --git a/application/api/ApiUtils.php b/application/api/ApiUtils.php
index d0242919..d4015865 100644
--- a/application/api/ApiUtils.php
+++ b/application/api/ApiUtils.php
@@ -1,13 +1,11 @@
 <?php
-
 namespace Shaarli\Api;
 
+use Shaarli\Base64Url;
 use Shaarli\Api\Exceptions\ApiAuthorizationException;
 
 /**
- * Class ApiUtils
- *
- * Utility functions for the API.
+ * REST API utilities
  */
 class ApiUtils
 {
@@ -26,17 +24,17 @@ class ApiUtils
             throw new ApiAuthorizationException('Malformed JWT token');
         }
 
-        $genSign = hash_hmac('sha512', $parts[0] .'.'. $parts[1], $secret);
+        $genSign = Base64Url::encode(hash_hmac('sha512', $parts[0] .'.'. $parts[1], $secret, true));
         if ($parts[2] != $genSign) {
             throw new ApiAuthorizationException('Invalid JWT signature');
         }
 
-        $header = json_decode(base64_decode($parts[0]));
+        $header = json_decode(Base64Url::decode($parts[0]));
         if ($header === null) {
             throw new ApiAuthorizationException('Invalid JWT header');
         }
 
-        $payload = json_decode(base64_decode($parts[1]));
+        $payload = json_decode(Base64Url::decode($parts[1]));
         if ($payload === null) {
             throw new ApiAuthorizationException('Invalid JWT payload');
         }