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
ReplaceIllegalCharactersInPath(base::FilePath::StringType * file_name,char replace_char)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
GenerateFileExtensionUnsafe(const GURL & url,const std::string & content_disposition,const std::string & referrer_charset,const std::string & suggested_name,const std::string & mime_type,const std::string & default_file_name)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