lib/grape/jwt/authentication/jwt_handler.rb in grape-jwt-authentication-2.2.0 vs lib/grape/jwt/authentication/jwt_handler.rb in grape-jwt-authentication-2.3.0

@@ -113,10 +113,13 @@
           # here and respond in the requested format on authentication
           # errors, that why we invoke the formatter middleware here.
           Grape::Middleware::Formatter.new(->(_) {}).call(env)
 
           # Parse the JWT token from the request headers.
-          token = parse_token(env['HTTP_AUTHORIZATION'])
+          # Downcase the header keys to account for HTTP/2+
+          # semantics in Grape 2.0.0+
+          lowercase_env = env.transform_keys(&:downcase)
+          token = parse_token(lowercase_env['http_authorization'])
 
           # Inject the parsed token to the Rack environment.
           inject_token_into_env(env, token)
 
           # Give the parsed token to the user defined block