mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 06:16:30 +03:00
81 lines
3.2 KiB
C++
81 lines
3.2 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "net/base/filename_util.h"
|
|
|
|
#include "base/files/file_path.h"
|
|
#include "base/i18n/file_util_icu.h"
|
|
#include "base/strings/string16.h"
|
|
#include "net/base/filename_util_internal.h"
|
|
|
|
class GURL;
|
|
|
|
namespace net {
|
|
|
|
bool IsSafePortablePathComponent(const base::FilePath& component) {
|
|
base::string16 component16;
|
|
base::FilePath::StringType sanitized = component.value();
|
|
SanitizeGeneratedFileName(&sanitized, true);
|
|
base::FilePath::StringType extension = component.Extension();
|
|
if (!extension.empty())
|
|
extension.erase(extension.begin()); // Erase preceding '.'.
|
|
return !component.empty() && (component == component.BaseName()) &&
|
|
(component == component.StripTrailingSeparators()) &&
|
|
FilePathToString16(component, &component16) &&
|
|
base::i18n::IsFilenameLegal(component16) &&
|
|
!IsShellIntegratedExtension(extension) &&
|
|
(sanitized == component.value()) &&
|
|
!IsReservedNameOnWindows(component.value());
|
|
}
|
|
|
|
bool IsSafePortableRelativePath(const base::FilePath& path) {
|
|
if (path.empty() || path.IsAbsolute() || path.EndsWithSeparator())
|
|
return false;
|
|
std::vector<base::FilePath::StringType> components;
|
|
path.GetComponents(&components);
|
|
if (components.empty())
|
|
return false;
|
|
for (size_t i = 0; i < components.size() - 1; ++i) {
|
|
if (!IsSafePortablePathComponent(base::FilePath(components[i])))
|
|
return false;
|
|
}
|
|
return IsSafePortablePathComponent(path.BaseName());
|
|
}
|
|
|
|
base::string16 GetSuggestedFilename(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_name) {
|
|
return GetSuggestedFilenameImpl(url, content_disposition, referrer_charset,
|
|
suggested_name, mime_type, default_name,
|
|
&base::i18n::ReplaceIllegalCharactersInPath);
|
|
}
|
|
|
|
base::FilePath GenerateFileName(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) {
|
|
base::FilePath generated_name(GenerateFileNameImpl(
|
|
url, content_disposition, referrer_charset, suggested_name, mime_type,
|
|
default_file_name, &base::i18n::ReplaceIllegalCharactersInPath));
|
|
|
|
#if defined(OS_CHROMEOS)
|
|
// When doing file manager operations on ChromeOS, the file paths get
|
|
// normalized in WebKit layer, so let's ensure downloaded files have
|
|
// normalized names. Otherwise, we won't be able to handle files with NFD
|
|
// utf8 encoded characters in name.
|
|
base::i18n::NormalizeFileNameEncoding(&generated_name);
|
|
#endif
|
|
|
|
DCHECK(!generated_name.empty());
|
|
|
|
return generated_name;
|
|
}
|
|
|
|
} // namespace net
|