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 10 namespace content { 11 12 DownloadInterruptReason 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