chrome/browser/media_galleries/fileapi/av_scanning_file_validator.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/media_galleries/fileapi/av_scanning_file_validator.h"
   6
   7 #if defined(OS_WIN)
   8 #include <windows.h>
   9 #include <shlobj.h>
  10 #endif
  11
  12 #include "base/bind.h"
  13 #include "base/callback.h"
  14 #include "base/location.h"
  15 #include "base/logging.h"
  16 #include "base/strings/utf_string_conversions.h"
  17 #include "chrome/common/chrome_constants.h"
  18 #include "content/public/browser/browser_thread.h"
  19
  20 #if defined(OS_WIN)
  21 #include "base/win/scoped_comptr.h"
  22 #endif
  23
  24 using content::BrowserThread;
  25
  26 namespace {
  27
  28 #if defined(OS_WIN)
  29 base::File::Error ScanFile(const base::FilePath& dest_platform_path) {
  30   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
  31
  32   base::win::ScopedComPtr<IAttachmentExecute> attachment_services;
  33   HRESULT hr = attachment_services.CreateInstance(CLSID_AttachmentServices);
  34
  35   if (FAILED(hr)) {
  36     // The thread must have COM initialized.
  37     DCHECK_NE(CO_E_NOTINITIALIZED, hr);
  38     return base::File::FILE_ERROR_SECURITY;
  39   }
  40
  41   hr = attachment_services->SetLocalPath(dest_platform_path.value().c_str());
  42   if (FAILED(hr))
  43     return base::File::FILE_ERROR_SECURITY;
  44
  45   // A failure in the Save() call below could result in the downloaded file
  46   // being deleted.
  47   HRESULT scan_result = attachment_services->Save();
  48   if (scan_result == S_OK)
  49     return base::File::FILE_OK;
  50
  51   return base::File::FILE_ERROR_SECURITY;
  52 }
  53 #endif
  54
  55 }  // namespace
  56
  57 AVScanningFileValidator::~AVScanningFileValidator() {}
  58
  59 void AVScanningFileValidator::StartPostWriteValidation(
  60     const base::FilePath& dest_platform_path,
  61     const ResultCallback& result_callback) {
  62   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  63
  64 #if defined(OS_WIN)
  65   BrowserThread::PostTaskAndReplyWithResult(
  66       BrowserThread::FILE,
  67       FROM_HERE,
  68       base::Bind(&ScanFile, dest_platform_path),
  69       result_callback);
  70 #else
  71   result_callback.Run(base::File::FILE_OK);
  72 #endif
  73 }
  74
  75 AVScanningFileValidator::AVScanningFileValidator() {
  76 }