e6a3364e93
Change-Id: I415c73b10621d5c7c942367bbf38a3bbd9bf8f27 Reviewed-on: https://gerrit.libreoffice.org/c/online/+/87024 Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com> Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
100 lines
4.4 KiB
C++
100 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef INCLUDED_FILEUTIL_HPP
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#define INCLUDED_FILEUTIL_HPP
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#include <string>
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#include <Poco/File.h>
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#include <Poco/Path.h>
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namespace FileUtil
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{
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/// Used for anonymizing URLs
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void setUrlAnonymization(bool anonymize, const std::uint64_t salt);
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/// Anonymize the basename of filenames, preserving the path and extension.
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std::string anonymizeUrl(const std::string& url);
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/// Anonymize user names and IDs.
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/// Will use the Obfuscated User ID if one is provied via WOPI.
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std::string anonymizeUsername(const std::string& username);
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/// Create a secure, random directory path.
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std::string createRandomDir(const std::string& path);
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// Save data to a file (overwriting an existing file if necessary) with checks for errors. Write
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// to a temporary file in the same directory that is then atomically renamed to the desired name
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// if everything goes well. In case of any error, both the destination file (if it already
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// exists) and the temporary file (if was created, or existed already) are removed. Return true
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// if everything succeeded.
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bool saveDataToFileSafely(const std::string& fileName, const char* data, size_t size);
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// We work around some of the mess of using the same sources both on the server side and in unit
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// tests with conditional compilation based on BUILDING_TESTS.
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#ifndef BUILDING_TESTS
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// Send a 'error:' message with the specified cmd and kind parameters to all connected
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// clients. This function can be called either in loolwsd or loolkit processes, even if only
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// loolwsd obviously has contact with the actual clients; in loolkit it will be forwarded to
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// loolwsd for redistribution. (This function must be implemented separately in each program
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// that uses it, it is not in Util.cpp.)
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void alertAllUsers(const std::string& cmd, const std::string& kind);
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#else
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// No-op implementation in the test programs
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inline void alertAllUsers(const std::string&, const std::string&)
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{
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}
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#endif
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// Add the file system that 'path' is located on to a list of file systems that are periodically
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// checked for available space. The list is initially empty.
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void registerFileSystemForDiskSpaceChecks(const std::string& path);
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// Perform the check. If the free space on any of the registered file systems is below 5%, call
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// 'alertAllUsers("internal", "diskfull")'. The check will be made no more often than once a
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// minute if cacheLastCheck is set to true.
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std::string checkDiskSpaceOnRegisteredFileSystems(const bool cacheLastCheck = true);
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// Check disk space on a specific file system, the one where 'path' is located. This does not
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// add that file system to the list used by 'registerFileSystemForDiskSpaceChecks'. If the free
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// space on the file system is below 5%, return false, otherwise true. Note that this function
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// does not call 'alertAllUsers'.
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bool checkDiskSpace(const std::string& path);
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/// Safely remove a file or directory.
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/// Supresses exception when the file is already removed.
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/// This can happen when there is a race (unavoidable) or when
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/// we don't care to check before we remove (when no race exists).
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void removeFile(const std::string& path, const bool recursive = false);
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inline void removeFile(const Poco::Path& path, const bool recursive = false)
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{
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removeFile(path.toString(), recursive);
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}
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/// Make a temp copy of a file, and prepend it with a prefix.
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std::string getTempFilePath(const std::string& srcDir, const std::string& srcFilename,
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const std::string& dstFilenamePrefix);
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/// Make a temp copy of a file.
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/// Primarily used by tests to avoid tainting the originals.
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/// srcDir shouldn't end with '/' and srcFilename shouldn't contain '/'.
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/// Returns the created file path.
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inline std::string getTempFilePath(const std::string& srcDir, const std::string& srcFilename)
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{
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return getTempFilePath(srcDir, srcFilename, std::string());
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}
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} // end namespace FileUtil
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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