TomZ
ef90ed79d6
Instead of using open(), which makes unavailable the normal method, use a new methodname instead. This issue is a bit of an anti-pattern and it would likely be beneficial to avoid having this as a subclass at all.
110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
/* This file is part of Flowee
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*
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* Copyright (C) 2017 Nathan Osman
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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 Library 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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* Library General Public License for more details.
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*
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* For the full copy of the License see <http://www.gnu.org/licenses/>
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*/
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#include <QCoreApplication>
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#include <QDir>
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#if defined(Q_OS_UNIX)
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# include <sys/stat.h>
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#elif defined(Q_OS_WIN32)
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# include <aclapi.h>
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# include <windows.h>
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#endif
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#include "localfile.h"
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#include "localfile_p.h"
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using namespace HttpEngine;
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LocalFilePrivate::LocalFilePrivate(LocalFile *localFile)
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: QObject(localFile),
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q(localFile)
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{
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// Store the file in the user's home directory and set the filename to the
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// name of the application with a "." prepended
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q->setFileName(QDir::home().absoluteFilePath("." + QCoreApplication::applicationName()));
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}
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bool LocalFilePrivate::setPermission()
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{
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#if defined(Q_OS_UNIX)
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return chmod(q->fileName().toUtf8().constData(), S_IRUSR | S_IWUSR) == 0;
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#elif defined(Q_OS_WIN32)
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// Windows uses ACLs to control file access - each file contains an ACL
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// which consists of one or more ACEs (access control entries) - so the
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// ACL for the file must contain only a single ACE, granting access to the
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// file owner (the current user)
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EXPLICIT_ACCESS_W ea;
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ZeroMemory(&ea, sizeof(EXPLICIT_ACCESS_W));
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ea.grfAccessPermissions = GENERIC_ALL;
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ea.grfAccessMode = GRANT_ACCESS;
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ea.grfInheritance = SUB_CONTAINERS_AND_OBJECTS_INHERIT;
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ea.Trustee.TrusteeForm = TRUSTEE_IS_NAME;
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ea.Trustee.ptstrName = L"CURRENT_USER";
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// Create a new ACL with a single access control entry
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PACL pACL;
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if (SetEntriesInAclW(1, &ea, NULL, &pACL) != ERROR_SUCCESS) {
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return false;
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}
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// Apply the ACL to the file
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if (SetNamedSecurityInfoW((LPWSTR)q->fileName().utf16(),
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SE_FILE_OBJECT,
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DACL_SECURITY_INFORMATION | PROTECTED_DACL_SECURITY_INFORMATION,
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NULL,
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NULL,
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pACL,
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NULL) != ERROR_SUCCESS) {
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LocalFree(pACL);
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return false;
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}
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LocalFree(pACL);
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return true;
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#else
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// Unsupported platform, so setPermission() must fail
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return false;
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#endif
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}
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bool LocalFilePrivate::setHidden()
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{
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#if defined(Q_OS_UNIX)
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// On Unix, anything beginning with a "." is hidden
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return true;
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#elif defined(Q_OS_WIN32)
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return SetFileAttributesW((LPCWSTR)q->fileName().utf16(), FILE_ATTRIBUTE_HIDDEN) != 0;
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#else
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// Unsupported platform, so setHidden() must fail
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return false;
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#endif
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}
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LocalFile::LocalFile(QObject *parent)
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: QFile(parent),
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d(new LocalFilePrivate(this))
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{
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}
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bool LocalFile::openLocalFile()
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{
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return QFile::open(QIODevice::WriteOnly) && d->setPermission() && d->setHidden();
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}
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