330 Zeilen
Kein EOL
12 KiB
PHP
330 Zeilen
Kein EOL
12 KiB
PHP
<?php
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/**
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* Project:
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* Contenido Content Management System
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*
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* Description:
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* Functions to edit files. Included in Area style,
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* js, htmltpl in Frame right_bottom.
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*
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* Requirements:
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* @con_php_req 5.0
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*
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*
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* @package Contenido Backend includes
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* @version 1.0.3
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* @author Willi Man
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* @copyright four for business AG <info@contenido.org>
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* @license http://www.contenido.org/license/LIZENZ.txt
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* @link http://www.4fb.de
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* @link http://www.contenido.org
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* @since file available since contenido release >= 4.6
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*
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* {@internal
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* created 2004-07-13
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* modified 2008-06-26, Frederic Schneider, add security fix
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* modified 2008-08-14, Timo.Trautmann added file_information functions for storing file meta indormations
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* modified 2009-10-23, Murat Purc, removed deprecated function (PHP 5.3 ready), added new function fileValidateFilename() and commented code
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*
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* $Id$:
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* }}
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*
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*/
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if (!defined('CON_FRAMEWORK')) {
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die('Illegal call');
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}
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/**
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* Function removes file meta information from database (used when a file is deleted)
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*
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* @author Timo Trautmann
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* @param integer $iIdClient - id of client which contains this file
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* @param string $sFilename - name of corresponding file
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* @param string $sType - type of file (css, js or templates)
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* @param object $oDb - contenido database object
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*
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* @return void
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*/
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function removeFileInformation($iIdClient, $sFilename, $sType, $oDb) {
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global $cfg;
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if (!isset($oDb) || !is_object($oDb)) {
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$oDb = new DB_ConLite();
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}
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$iIdClient = Contenido_Security::toInteger($iIdClient);
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$sFilename = Contenido_Security::filter((string) $sFilename, $oDb);
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$sType = Contenido_Security::filter((string) $sType, $oDb);
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$sSql = "DELETE FROM `" . $cfg["tab"]["file_information"] . "` WHERE idclient=$iIdClient AND
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filename='$sFilename' AND
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type='$sType';";
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$oDb->query($sSql);
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$oDb->free();
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}
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/**
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* Function returns file meta information from database (used when files were versionned or description is displayed)
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*
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* @author Timo Trautmann
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* @param integer $iIdClient - id of client which contains this file
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* @param string $sFilename - name of corresponding file
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* @param string $sType - type of file (css, js or templates)
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* @param object $oDb - contenido database object
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*
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* @return array Indexes:
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* idsfi - Primary key of database record
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* created - Datetime when file was created
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* lastmodified - Datetime when file was last modified
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* author - Author of file (Contenido Backend User)
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* modifiedby - Last modifier of file (Contenido Backend User)
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* description - Description which was inserted for this file
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*
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*/
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function getFileInformation($iIdClient, $sFilename, $sType, $oDb) {
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global $cfg;
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if (!isset($oDb) || !is_object($oDb)) {
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$oDb = new DB_ConLite();
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}
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$iIdClient = Contenido_Security::toInteger($iIdClient);
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$sFilename = Contenido_Security::filter((string) $sFilename, $oDb);
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$sType = Contenido_Security::filter((string) $sType, $oDb);
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$aFileInformation = array();
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$sSql = "SELECT * FROM `" . $cfg["tab"]["file_information"] . "` WHERE idclient=$iIdClient AND
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filename='$sFilename' AND
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type='$sType';";
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$oDb->query($sSql);
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if ($oDb->num_rows() > 0) {
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$oDb->next_record();
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$aFileInformation['idsfi'] = $oDb->f('idsfi');
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$aFileInformation['created'] = $oDb->f('created');
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$aFileInformation['lastmodified'] = $oDb->f('lastmodified');
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$aFileInformation['author'] = Contenido_Security::unFilter($oDb->f('author'));
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$aFileInformation['modifiedby'] = $oDb->f('modifiedby');
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$aFileInformation['description'] = Contenido_Security::unFilter($oDb->f('description'));
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}
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$oDb->free();
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return $aFileInformation;
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}
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/**
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* Function updates file meta information (used when files were created or edited).
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* It creates new database record for file meta informations if database record does
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* not exist. Otherwise, existing record will be updated
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*
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* @author Timo Trautmann
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* @param integer $iIdClient - id of client which contains this file
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* @param string $sFilename - name of corresponding file
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* @param string $sType - type of file (css, js or templates)
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* @param string $sAuthor - author of file
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* @param string $sDescription - description of file
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* @param object $oDb - contenido database object
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* @param string $sFilenameNew - new filename if filename was changed (optional)
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*
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* @return void
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*/
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function updateFileInformation($iIdClient, $sFilename, $sType, $sAuthor, $sDescription, $oDb, $sFilenameNew = '') {
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global $cfg;
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if (!isset($oDb) || !is_object($oDb)) {
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$oDb = new DB_ConLite();
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}
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if ($sFilenameNew == '') {
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$sFilenameNew = $sFilename;
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}
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$iIdClient = Contenido_Security::toInteger($iIdClient);
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$sFilename = Contenido_Security::filter((string) $sFilename, $oDb);
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$sType = Contenido_Security::filter((string) $sType, $oDb);
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$sDescription = Contenido_Security::filter((string) stripslashes($sDescription), $oDb);
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$sAuthor = Contenido_Security::filter((string) $sAuthor, $oDb);
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$sSql = "SELECT * from `" . $cfg["tab"]["file_information"] . "` WHERE idclient=$iIdClient AND
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filename='$sFilename' AND
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type='$sType';";
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$oDb->query($sSql);
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if ($oDb->num_rows() == 0) {
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$iNextId = $oDb->nextid('con_style_file_information');
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$sSql = "INSERT INTO `" . $cfg["tab"]["file_information"] . "` ( `idsfi` ,
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`idclient` ,
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`type` ,
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`filename` ,
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`created` ,
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`lastmodified` ,
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`author` ,
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`modifiedby` ,
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`description` )
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VALUES (
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$iNextId ,
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$iIdClient,
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'$sType',
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'$sFilenameNew',
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NOW(),
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'1000-01-01 00:00:00',
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'$sAuthor',
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'',
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'$sDescription'
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);";
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} else {
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$sSql = "UPDATE `" . $cfg["tab"]["file_information"] . "` SET `lastmodified` = NOW(),
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`modifiedby` = '$sAuthor',
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`description` = '$sDescription',
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`filename` = '$sFilenameNew'
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WHERE idclient=$iIdClient AND
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filename='$sFilename' AND
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type='$sType';";
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}
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$oDb->free();
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$oDb->query($sSql);
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$oDb->free();
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}
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/**
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* Writes passed data into a file using binary mode.
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*
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* Exits the script, if file could not opened!
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*
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* @param string $filename The file to write the content
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* @param string $sCode File content to write
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* @param string $path Path to the file
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* @return (string|void) Either content of file o nothing
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*/
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function fileEdit($filename, $sCode, $path) {
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$oNot = new Contenido_Notification();
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// FIXME: fileValidateFilename does also the validation but display another message!
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if (strlen(trim($filename)) == 0) {
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$oNot->displayNotification("error", i18n("Please insert filename."));
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return false;
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}
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cFileHandler::validateFilename($filename);
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if (is_writable($path . $filename)) {
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if (strlen(stripslashes(trim($sCode))) > 0) {
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if (!empty($sCode)) {
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$sCode = mb_convert_encoding($sCode, 'UTF-8', 'OLD-ENCODING');
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}
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cFileHandler::write($path . $filename, $sCode);
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return true;
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} else {
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return false;
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}
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} else {
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$oNot->displayNotification("error", sprintf(i18n("%s is not writable"), $path . $filename));
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exit;
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}
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}
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/**
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* Reads content of file into memory using binary mode and returns it back.
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*
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* Exits the script, if file could not opened!
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*
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* @param string $filename The file to get the content
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* @param string $path Path to the file
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* @return (string|void) Either content of file o nothing
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*/
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function getFileContent($filename, $path) {
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$sCode = cFileHandler::read($path . $filename);
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if (!empty($sCode)) {
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$sCode = mb_convert_encoding($sCode, 'UTF-8', 'OLD-ENCODING');
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}
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return $sCode;
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}
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/**
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* Returns the filetype (extension).
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*
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* @param string $filename The file to get the type
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* @return string Filetype
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*/
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function getFileType($filename) {
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$aFileName = explode(".", $filename);
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return $aFileName[count($aFileName) - 1];
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}
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/**
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* Creates a file.
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*
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* Exits the script, if filename is not valid or creation (touch or chmod) fails!
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*
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* @param string $filename The file to create
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* @param string $path Path to the file
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* @return (void|bool) Either true on success or nothing
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*/
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function createFile($filename, $path) {
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$oNot = new Contenido_Notification();
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cFileHandler::validateFilename($filename);
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if (cFileHandler::create($path . $filename)) {
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return true;
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} else {
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$oNot->displayNotification("error", sprintf(i18n("Unable to create file %s"), $path . $filename));
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exit;
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}
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}
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/**
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* Renames a existing file.
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*
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* Exits the script, if new filename is not valid or renaming fails!
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*
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* @param string $sOldFile Old filename
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* @param string $sNewFile New filename
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* @param string $path Path to the file
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* @return (void|string) Either new filename or nothing
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*/
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function renameFile($sOldFile, $sNewFile, $path) {
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$oNot = new Contenido_Notification();
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fileValidateFilename($sNewFile, true);
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if (is_writable($path . $sOldFile)) {
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# rename file
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if (rename($path . $sOldFile, $path . $sNewFile)) {
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return $sNewFile;
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} else {
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$oNot->displayNotification("error", sprintf(i18n("Can not rename file %s"), $path . $sOldFile));
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exit;
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}
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} else {
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$oNot->displayNotification("error", sprintf(i18n("%s is not writable"), $path . $sOldFile));
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exit;
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}
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}
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/**
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* Validates passed filename. Filename can contain alphanumeric characters, dot, underscore or a hyphen.
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*
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* Exits the script, if second parameter is set to true and validation fails!
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*
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* @param string $filename The filename to validate
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* @param bool $notifyAndExitOnFailure Flag to display notification and to exit further script
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* execution, ifd validation fails
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* @return (void|bool) Either validation result or nothing (depends on second parameter)
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*/
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function fileValidateFilename($filename, $notifyAndExitOnFailure = true) {
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if (preg_match('/[^a-z0-9._-]/i', $filename)) {
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// validation failure...
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if ($notifyAndExitOnFailure == true) {
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$oNot = new Contenido_Notification();
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// display notification and exit
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$oNot->displayNotification('error', i18n('Wrong filename.'));
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exit;
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}
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return false;
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}
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return true;
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}
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?>
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