octet stream

lib/src/file_info.dart

@@ -26,7 +26,7 @@ abstract class FileInfo {
   factory FileInfo.fromFile(File file) => new _FileInfoImpl(
       () => file.openRead(),
       file.absolute.path,
-      lookupMimeType(file.path),
+      lookupMimeType(file.path) ?? 'application/octet-stream',
       file.statSync().modified);
 
   /// Creates a [FileInfo] describing a file that might not even exists to begin with.

lib/src/virtual_directory.dart

@@ -262,8 +262,8 @@ class VirtualDirectory implements AngelPlugin {
   void _ensureContentTypeAllowed(String mimeType, RequestContext req) {
     var value = req.headers.value(HttpHeaders.ACCEPT);
     bool acceptable = value == null ||
-        value.isEmpty ||
-        value?.contains(mimeType) == true ||
+        value?.isNotEmpty != true ||
+        (mimeType?.isNotEmpty == true && value?.contains(mimeType) == true) ||
         value?.contains('*/*') == true;
     if (!acceptable)
       throw new AngelHttpException(

pubspec.yaml

@@ -4,7 +4,7 @@ environment:
   sdk: ">=1.19.0"
 homepage: https://github.com/angel-dart/static
 author: Tobe O <thosakwe@gmail.com>
-version: 1.2.2+1
+version: 1.2.2+3
 dependencies:
   angel_framework: ^1.0.0-dev
   cli_util: ^0.1.1

test/all_test.dart

@@ -64,4 +64,12 @@ main() {
     var response = await client.get("$url/virtual");
     expect(response.body, equals("index!"));
   });
+
+  test('chrome accept', () async {
+    var response = await client.get("$url/virtual", headers: {
+      HttpHeaders.ACCEPT:
+          'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'
+    });
+    expect(response.body, equals("index!"));
+  });
 }