Do not return FileSystem contents if the profile is in incognito mode.

webkit/browser/fileapi/file_system_dir_url_request_job.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/browser/fileapi/file_system_dir_url_request_job.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_loop.h"
 #include "base/platform_file.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_util.h"
 #include "net/url_request/url_request.h"
 #include "url/gurl.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_operation_runner.h"
 #include "webkit/browser/fileapi/file_system_url.h"
 #include "webkit/common/fileapi/directory_entry.h"
+#include "webkit/common/fileapi/file_system_util.h"
 
 using net::NetworkDelegate;
 using net::URLRequest;
 using net::URLRequestJob;
 using net::URLRequestStatus;
 
 namespace fileapi {
 
 FileSystemDirURLRequestJob::FileSystemDirURLRequestJob(
     URLRequest* request,
@@ skipping 37 matching lines @@
 
 bool FileSystemDirURLRequestJob::GetCharset(std::string* charset) {
   *charset = "utf-8";
   return true;
 }
 
 void FileSystemDirURLRequestJob::StartAsync() {
   if (!request_)
     return;
   url_ = file_system_context_->CrackURL(request_->url());
+  if (!file_system_context_->CanServeURLRequest(url_)) {
+    // In incognito mode the API is not usable and there should be no data.
+    if (url_.is_valid() && VirtualPath::IsRootPath(url_.virtual_path())) {
+      // Return an empty directory if the filesystem root is queried.
+      DidReadDirectory(base::PLATFORM_FILE_OK,
+                       std::vector<DirectoryEntry>(),
+                       false);
+      return;
+    }
+    NotifyDone(URLRequestStatus(URLRequestStatus::FAILED,
+                                net::ERR_FILE_NOT_FOUND));
+    return;
+  }
   file_system_context_->operation_runner()->ReadDirectory(
       url_,
       base::Bind(&FileSystemDirURLRequestJob::DidReadDirectory, this));
 }
 
 void FileSystemDirURLRequestJob::DidReadDirectory(
     base::PlatformFileError result,
     const std::vector<DirectoryEntry>& entries,
     bool has_more) {
   if (result != base::PLATFORM_FILE_OK) {
@@ skipping 28 matching lines @@
     file_system_context_->operation_runner()->ReadDirectory(
         url_,
         base::Bind(&FileSystemDirURLRequestJob::DidReadDirectory, this));
   } else {
     set_expected_content_size(data_.size());
     NotifyHeadersComplete();
   }
 }
 
 }  // namespace fileapi