1 // Copyright 2014 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 "net/base/filename_util_unsafe.h" 6 7 #include "base/bind.h" 8 #include "base/strings/string_util.h" 9 #include "net/base/filename_util_internal.h" 10 11 namespace { 12 13 // Local ICU-independent implementation of filename sanitizing functions defined 14 // in base/i18n/file_util_icu.h. Does not require ICU because on POSIX systems 15 // all international characters are considered legal, so only control and 16 // special characters have to be replaced. 17 const base::FilePath::CharType illegal_characters[] = 18 FILE_PATH_LITERAL("\"*/:<>?\\\\|\001\002\003\004\005\006\007\010\011\012") 19 FILE_PATH_LITERAL("\013\014\015\016\017\020\021\022\023\024\025\025\027"); 20 21 void ReplaceIllegalCharactersInPath(base::FilePath::StringType* file_name, 22 char replace_char) { 23 base::ReplaceChars(*file_name, 24 illegal_characters, 25 base::FilePath::StringType(1, replace_char), 26 file_name); 27 } 28 29 } // namespace 30 31 namespace net { 32 33 base::FilePath::StringType GenerateFileExtensionUnsafe( 34 const GURL& url, 35 const std::string& content_disposition, 36 const std::string& referrer_charset, 37 const std::string& suggested_name, 38 const std::string& mime_type, 39 const std::string& default_file_name) { 40 base::FilePath filepath = 41 GenerateFileNameImpl(url, 42 content_disposition, 43 referrer_charset, 44 suggested_name, 45 mime_type, 46 default_file_name, 47 base::Bind(&ReplaceIllegalCharactersInPath)); 48 return filepath.Extension(); 49 } 50 51 } // namespace net 52
