1// Copyright (c) 2012 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 "content/browser/download/base_file.h"
6
7#include "base/files/file_util.h"
8#include "content/public/browser/download_interrupt_reasons.h"
9
10namespace content {
11
12DownloadInterruptReason BaseFile::MoveFileAndAdjustPermissions(
13    const base::FilePath& new_path) {
14  // Similarly, on Unix, we're moving a temp file created with permissions 600
15  // to |new_path|. Here, we try to fix up the destination file with appropriate
16  // permissions.
17  struct stat st;
18  // First check the file existence and create an empty file if it doesn't
19  // exist.
20  if (!base::PathExists(new_path)) {
21    int write_error = base::WriteFile(new_path, "", 0);
22    if (write_error < 0)
23      return LogSystemError("WriteFile", errno);
24  }
25  int stat_error = stat(new_path.value().c_str(), &st);
26  bool stat_succeeded = (stat_error == 0);
27  if (!stat_succeeded)
28    LogSystemError("stat", errno);
29
30  if (!base::Move(full_path_, new_path))
31    return LogSystemError("Move", errno);
32
33  if (stat_succeeded) {
34    // On Windows file systems (FAT, NTFS), chmod fails.  This is OK.
35    int chmod_error = chmod(new_path.value().c_str(), st.st_mode);
36    if (chmod_error < 0)
37      LogSystemError("chmod", errno);
38  }
39  return DOWNLOAD_INTERRUPT_REASON_NONE;
40}
41
42}  // namespace content
43