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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /kdecore/ktempdir.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
tdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+ This file is part of the KDE libraries
+ Copyright (c) 2003 Joseph Wenninger <jowenn@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License version 2 as published by the Free Software Foundation.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifndef _KTEMPDIR_H_
+#define _KTEMPDIR_H_
+
+#include <qstring.h>
+#include <stdio.h>
+#include <errno.h>
+#include "kdelibs_export.h"
+
+class QDir;
+class KTempDirPrivate;
+
+/**
+ * The KTempDir class creates a unique directory for temporary use.
+ *
+ * This is especially useful if you need to create a directory in a world
+ * writable directory like /tmp without being vulnerable to so called
+ * symlink attacks.
+ *
+ * KDE applications, however, shouldn't create files or directories in /tmp in the first
+ * place but use the "tmp" resource instead. The standard KTempDir
+ * constructor will do that by default.
+ *
+ * To create a temporary directory that starts with a certain name
+ * in the "tmp" resource, one should use:
+ * KTempDir(locateLocal("tmp", prefix));
+ *
+ * KTempFile does not create any missing directories, but locateLocal() does.
+ *
+ * See also KStandardDirs
+ *
+ * @since 3.2
+ * @author Joseph Wenninger <jowenn@kde.org>
+ */
+class KDECORE_EXPORT KTempDir
+{
+public:
+ /**
+ * Creates a temporary directory with the name:
+ * \p \<directoryPrefix\>\<six letters\>
+ *
+ * The default \p directoryPrefix is "$KDEHOME/tmp-$HOST/appname"
+ * @param directoryPrefix the prefix of the file name, or
+ * QString::null for the default value
+ * @param mode the file permissions,
+ * almost always in octal. The first digit selects permissions for
+ * the user who owns the file: read (4), write (2), and execute
+ * (1); the second selects permissions for other users in the
+ * file's group, with the same values; and the fourth for other
+ * users not in the file's group, with the same values.
+ *
+ **/
+ KTempDir(QString directoryPrefix=QString::null,
+ int mode = 0700 );
+
+
+ /**
+ * The destructor deletes the directory and it's contents if autoDelete is enabled
+ **/
+ ~KTempDir();
+
+ /**
+ * Turn automatic deletion on or off.
+ * Automatic deletion is off by default.
+ * @param autoDelete true to turn automatic deletion on
+ **/
+ void setAutoDelete(bool autoDelete) { bAutoDelete = autoDelete; }
+
+ /**
+ * Returns the status of the directory creation based on errno. (see errno.h)
+ * 0 means OK.
+ *
+ * You should check the status after object creation to check
+ * whether a directory could be created in the first place.
+ *
+ * @return the errno status, 0 means ok
+ **/
+ int status() const;
+
+ /**
+ * Returns the full path and name of the directory, including a trailing '/'.
+ * @return The name of the directory, or QString::null if creating the
+ * directory has failed or the directory has been unlinked
+ **/
+ QString name() const;
+
+
+ /**
+ * Returns the QDir* of the temporary directory.
+ * @return QDir directory information of the directory or 0 if their is no managed directory
+ * The caller has to free the pointer open for writing to the
+ **/
+ QDir *qDir();
+
+ /**
+ * Deletes the directory recursively
+ **/
+ void unlink();
+
+ /**
+ * @return true if a temporary directory has successfully been created and not been unlinked yet
+ */
+ bool existing() const;
+
+ /**
+ * @brief Remove a directory and all its contents
+ *
+ * Remove recursively a directory, even if it is not empty
+ * or contains other directories.
+ *
+ * However the function works too when the @p path given
+ * is a non-directory file. In that case it simply remove that file.
+ *
+ * The function stops on the first error.
+ *
+ * @note This function is more meant for removing a directory
+ * not created by the user. For user-created directories,
+ * using KIO::NetAccess::del is recommended instead,
+ * especially as it has user feedback for long operations.
+ *
+ * @param path Path of the directory to delete
+ * @return true if successful, otherwise false
+ * (Use errno for more details about the error.)
+ * @since 3.5.2
+ */
+ static bool removeDir( const QString& path );
+
+protected:
+
+ /**
+ * Creates a "random" directory with specified mode
+ * @param directoryPrefix to use when creating temp directory
+ * (the rest is generated randomly)
+ * @param mode directory permissions
+ * @return bool true upon sucess
+ */
+ bool create(const QString &directoryPrefix, int mode);
+
+ /**
+ * Sets the errno value
+ * @param error the value to set the status to.
+ */
+ void setError(int error) { mError = error; }
+
+private:
+ int mError;
+ QString mTmpName;
+ bool bExisting;
+ bool bAutoDelete;
+
+ KTempDirPrivate *d;
+};
+
+#endif