mirror of https://github.com/nextcloud/desktop
116 lines
4.1 KiB
C++
116 lines
4.1 KiB
C++
/*
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* Copyright (C) by Olivier Goffart <ogoffart@woboq.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "remotepermissions.h"
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#include <QLoggingCategory>
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#include <cstring>
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namespace OCC {
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Q_LOGGING_CATEGORY(lcRemotePermissions, "nextcloud.sync.remotepermissions", QtInfoMsg)
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static const char letters[] = " WDNVCKRSMm";
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template <typename Char>
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void RemotePermissions::fromArray(const Char *p)
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{
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_value = notNullMask;
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if (!p)
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return;
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while (*p) {
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if (auto res = std::strchr(letters, static_cast<char>(*p)))
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_value |= (1 << (res - letters));
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++p;
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}
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}
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QByteArray RemotePermissions::toDbValue() const
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{
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QByteArray result;
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if (isNull())
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return result;
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result.reserve(PermissionsCount);
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for (uint i = 1; i <= PermissionsCount; ++i) {
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if (_value & (1 << i))
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result.append(letters[i]);
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}
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if (result.isEmpty()) {
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// Make sure it is not empty so we can differentiate null and empty permissions
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result.append(' ');
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}
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return result;
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}
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QString RemotePermissions::toString() const
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{
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return QString::fromUtf8(toDbValue());
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}
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RemotePermissions RemotePermissions::fromDbValue(const QByteArray &value)
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{
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if (value.isEmpty())
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return {};
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RemotePermissions perm;
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perm.fromArray(value.constData());
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return perm;
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}
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template <typename T>
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RemotePermissions RemotePermissions::internalFromServerString(const QString &value,
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const T&otherProperties,
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MountedPermissionAlgorithm algorithm)
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{
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RemotePermissions perm;
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perm.fromArray(value.utf16());
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if (algorithm == MountedPermissionAlgorithm::WildGuessMountedSubProperty) {
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return perm;
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}
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if ((otherProperties.contains(QStringLiteral("is-mount-root")) && otherProperties.value(QStringLiteral("is-mount-root")) == QStringLiteral("false") && perm.hasPermission(RemotePermissions::IsMounted)) ||
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(!otherProperties.contains(QStringLiteral("is-mount-root")) && perm.hasPermission(RemotePermissions::IsMounted))) {
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/* All the entries in a external storage have 'M' in their permission. However, for all
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purposes in the desktop client, we only need to know about the mount points.
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So replace the 'M' by a 'm' for every sub entries in an external storage */
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perm.unsetPermission(RemotePermissions::IsMounted);
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perm.setPermission(RemotePermissions::IsMountedSub);
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qCInfo(lcRemotePermissions()) << otherProperties.value(QStringLiteral("permissions")) << "replacing M permissions by m for subfolders inside a group folder";
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}
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return perm;
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}
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RemotePermissions RemotePermissions::fromServerString(const QString &value,
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MountedPermissionAlgorithm algorithm,
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const QMap<QString, QString> &otherProperties)
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{
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return internalFromServerString(value, otherProperties, algorithm);
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}
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RemotePermissions RemotePermissions::fromServerString(const QString &value,
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MountedPermissionAlgorithm algorithm,
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const QVariantMap &otherProperties)
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{
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return internalFromServerString(value, otherProperties, algorithm);
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}
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} // namespace OCC
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