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Merge pull request #7283 from nextcloud/backport/7282/stable-3.14

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[stable-3.14] properly catch std::filesystem exceptions
This commit is contained in:
Matthieu Gallien 2024-10-08 14:36:46 +02:00 committed by GitHub
commit 86d7d2f44c
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GPG key ID: B5690EEEBB952194
2 changed files with 53 additions and 20 deletions
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27
src/common/filesystembase.cpp
View file

@ -115,6 +115,7 @@ void FileSystem::setFileReadOnly(const QString &filename, bool readonly)
if (!fileExists(filename)) {
return;
}
try {
const auto permissions = filePermissionsWin(filename);
std::filesystem::perms allWritePermissions = std::filesystem::perms::_All_write;
@ -126,6 +127,11 @@ void FileSystem::setFileReadOnly(const QString &filename, bool readonly)
std::filesystem::permissions(filename.toStdString(), defaultWritePermissions, std::filesystem::perm_options::add);
}
}
catch (std::filesystem::filesystem_error e)
{
qCWarning(lcFileSystem()) << filename << (readonly ? "readonly" : "read write") << e.what();
}
}
#endif
QFile file(filename);
QFile::Permissions permissions = file.permissions();
@ -155,6 +161,7 @@ bool FileSystem::setFileReadOnlyWeak(const QString &filename, bool readonly)
{
#ifdef Q_OS_WIN
if (isLnkFile(filename)) {
try {
const auto permissions = filePermissionsWin(filename);
if (!readonly && static_cast<bool>((permissions & std::filesystem::perms::owner_write))) {
@ -164,6 +171,12 @@ bool FileSystem::setFileReadOnlyWeak(const QString &filename, bool readonly)
setFileReadOnly(filename, readonly);
return true;
}
catch (std::filesystem::filesystem_error e)
{
qCWarning(lcFileSystem()) << filename << (readonly ? "readonly" : "read write") << e.what();
}
return false;
}
#endif
QFile file(filename);
QFile::Permissions permissions = file.permissions();
@ -446,9 +459,16 @@ bool FileSystem::isWritable(const QString &filename, const QFileInfo &fileInfo)
{
#ifdef Q_OS_WIN
if (isLnkFile(filename)) {
try {
const auto permissions = filePermissionsWin(filename);
return static_cast<bool>((permissions & std::filesystem::perms::owner_write));
}
catch (std::filesystem::filesystem_error e)
{
qCWarning(lcFileSystem()) << filename << e.what();
}
return false;
}
#endif
bool re = fileInfo.isWritable();
// if the filename is different from the filename in fileInfo, the fileInfo is
@ -465,9 +485,16 @@ bool FileSystem::isReadable(const QString &filename, const QFileInfo &fileInfo)
{
#ifdef Q_OS_WIN
if (isLnkFile(filename)) {
try {
const auto permissions = filePermissionsWin(filename);
return static_cast<bool>((permissions & std::filesystem::perms::owner_read));
}
catch (std::filesystem::filesystem_error e)
{
qCWarning(lcFileSystem()) << filename << e.what();
}
return false;
}
#endif
bool re = fileInfo.isReadable();
// if the filename is different from the filename in fileInfo, the fileInfo is

6
src/libsync/propagatedownload.cpp
View file

@ -1205,11 +1205,17 @@ void PropagateDownloadFile::downloadFinished()
// Preserve the existing file permissions.
const auto existingFile = QFileInfo{filename};
#ifdef Q_OS_WIN
try {
const auto existingPermissions = FileSystem::filePermissionsWin(filename);
const auto tmpFilePermissions = FileSystem::filePermissionsWin(_tmpFile.fileName());
if (existingPermissions != tmpFilePermissions) {
FileSystem::setFilePermissionsWin(_tmpFile.fileName(), existingPermissions);
}
}
catch (std::filesystem::filesystem_error e)
{
qCWarning(lcPropagateDownload()) << _item->_instruction << _item->_file << e.what();
}
#else
if (existingFile.permissions() != _tmpFile.permissions()) {
_tmpFile.setPermissions(existingFile.permissions());