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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "NetworkCacheFileSystem.h"
#include "Logging.h"
#include <wtf/Assertions.h>
#include <wtf/FileSystem.h>
#include <wtf/Function.h>
#include <wtf/text/CString.h>
#if !OS(WINDOWS)
#include <dirent.h>
#include <sys/stat.h>
#include <sys/time.h>
#else
#include <windows.h>
#endif
#if PLATFORM(IOS_FAMILY) && !PLATFORM(IOS_FAMILY_SIMULATOR)
#include <sys/attr.h>
#include <unistd.h>
#endif
#if USE(SOUP)
#include <gio/gio.h>
#include <wtf/glib/GRefPtr.h>
#endif
namespace WebKit {
namespace NetworkCache {
void traverseDirectory(const String& path, NOESCAPE const Function<void (const String&, DirectoryEntryType)>& function)
{
auto entries = FileSystem::listDirectory(path);
for (auto& entry : entries) {
auto entryPath = FileSystem::pathByAppendingComponent(path, entry);
auto type = FileSystem::fileType(entryPath) == FileSystem::FileType::Directory ? DirectoryEntryType::Directory : DirectoryEntryType::File;
function(entry, type);
}
}
FileTimes fileTimes(const String& path)
{
#if HAVE(STAT_BIRTHTIME)
struct stat fileInfo;
if (stat(FileSystem::fileSystemRepresentation(path).data(), &fileInfo))
return { };
return { WallTime::fromRawSeconds(fileInfo.st_birthtime), WallTime::fromRawSeconds(fileInfo.st_mtime) };
#elif USE(SOUP)
// There's no st_birthtime in some operating systems like Linux, so we use xattrs to set/get the creation time.
GRefPtr<GFile> file = adoptGRef(g_file_new_for_path(FileSystem::fileSystemRepresentation(path).data()));
GRefPtr<GFileInfo> fileInfo = adoptGRef(g_file_query_info(file.get(), "xattr::birthtime,time::modified", G_FILE_QUERY_INFO_NONE, nullptr, nullptr));
if (!fileInfo)
return { };
const char* birthtimeString = g_file_info_get_attribute_string(fileInfo.get(), "xattr::birthtime");
if (!birthtimeString)
return { };
return { WallTime::fromRawSeconds(g_ascii_strtoull(birthtimeString, nullptr, 10)),
WallTime::fromRawSeconds(g_file_info_get_attribute_uint64(fileInfo.get(), "time::modified")) };
#elif OS(WINDOWS)
auto createTime = FileSystem::fileCreationTime(path);
auto modifyTime = FileSystem::fileModificationTime(path);
return { valueOrDefault(createTime), valueOrDefault(modifyTime) };
#endif
}
void updateFileModificationTimeIfNeeded(const String& path)
{
auto times = fileTimes(path);
if (times.creation != times.modification) {
// Don't update more than once per hour.
if (WallTime::now() - times.modification < 1_h)
return;
}
FileSystem::updateFileModificationTime(path);
}
}
}
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