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<?php
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/**
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* AccessFile.php
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*
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* @category Core
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* @package Core_Routing
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* @subpackage Accessfiles
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* @copyright Manuela v.d.Decken <manuela@isteam.de>
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* @author Manuela v.d.Decken <manuela@isteam.de>
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* @license http://www.gnu.org/licenses/gpl.html GPL License
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* @version 0.0.1
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* @revision $Revision: $
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* @lastmodified $Date: $
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* @since File available since 17.01.2013
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* @description Single standard accessfile with additional var-entries
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*/
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class AccessFile {
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/** int first private property */
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protected $oReg = null;
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protected $sAccessFilesRoot = ''; // basedir of the current AccessFile structure
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protected $sFileName = ''; // filename and path from AccessFilesRoot (without extension)
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protected $sFullFileName = ''; // full path and filename (without extension)
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protected $sFileExtension = '.php'; // extension for all accessfiles (default: '.php')
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protected $aVars = array(); // variables in accessfile
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protected $aConsts = array(); // constants in accessfile
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protected $iErrorNo = 0;
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const VAR_STRING = 'string';
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const VAR_BOOL = 'bool';
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const VAR_BOOLEAN = 'bool';
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const VAR_INT = 'int';
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const VAR_INTEGER = 'int';
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const VAR_FLOAT = 'float';
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const FORCE_DELETE = true;
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/**
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* Constructor
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* @param string $sAccessFilesRoot full path to the base directory of accessfiles-tree
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* @param string $sFileName subdirectory and filename of the new access file from AccessFilesRoot<br />
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* (indirect addressing (./ | ../) is not allowed here!!)
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* @param integer $iPageId (default: 0) Id of the page or 0 for dummy files
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* @throws AccessFileInvalidFilePathException
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*/
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public function __construct($sAccessFilesRoot, $sFileName, $iPageId = 0)
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{
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$this->oReg = WbAdaptor::getInstance();
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$this->sFileExtension = $this->oReg->PageExtension;
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// sanitize AccessFilesRoot
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if (($sX = realpath($sAccessFilesRoot)) == false) {
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throw new AccessFileInvalidFilePathException('invalid path for AccessFilesRoot given [ '.$sAccessFilesRoot.' ]');
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}
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$sAccessFilesRoot = rtrim(str_replace('\\', '/', $sX), '/').'/';
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// check location of AccessFilesRoot
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if (!preg_match('/^' . preg_quote($this->oReg->AppPath, '/') . '/siU', $sAccessFilesRoot)) {
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throw new AccessFileInvalidFilePathException('tried to place AccessFilesRoot out of application path [ '.$sAccessFilesRoot.' ]');
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}
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$this->sAccessFilesRoot = $sAccessFilesRoot;
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// sanitize Filename
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$sFileName = preg_replace('/'.preg_quote($this->sFileExtension, '/').'$/', '', $sFileName);
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$this->sFileName = ltrim(rtrim(trim(str_replace('\\', '/', $sFileName)), '/'), './');
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if (preg_match('/\.\.+\//', $this->sFileName)) {
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throw new AccessFileInvalidFilePathException('relative path (./ or ../) is not allowed in Filename!! [ '.$this->sFileName.' ]');
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}
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$this->sFullFileName = $this->sAccessFilesRoot . $this->sFileName;
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$this->aVars['iPageId'] = intval($iPageId);
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}
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/**
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* Set Id of current page
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* @param integer PageId
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*/
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public function setPageId($iPageId)
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{
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$this->addVar('iPageId', $iPageId, $sType = self::VAR_INTEGER);
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}
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/**
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* Add new variable into the vars list
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* @param string name of the variable without leading '$'
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* @param mixed Value of the variable (Only scalar data (boolean, integer, float and string) are allowed)
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* @param string Type of the variable (use class constants to define)
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*/
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public function addVar($sName, $mValue, $sType = self::VAR_STRING)
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{
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$mValue = $this->sanitizeValue($mValue, $sType);
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$this->aVars[$sName] = $mValue;
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}
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/**
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* Add new constant into the constants list
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* @param string name of the constant (upper case chars only)
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* @param mixed Value of the variable (Only scalar data (boolean, integer, float and string) are allowed)
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* @param string Type of the variable (use class constants to define)
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* @throws AccessFileConstForbiddenException
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* @deprecated constants are not allowed from WB-version 2.9 and up
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*/
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public function addConst($sName, $mValue, $sType = self::VAR_STRING)
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{
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if (version_compare($this->oReg->AppVersion, '2.9', '<'))
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{
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$mValue = $this->sanitizeValue($mValue, $sType);
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$this->aConsts[strtoupper($sName)] = $mValue;
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} else {
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throw new AccessFileConstForbiddenException('define constants is not allowed from WB-version 2.9 and up');
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}
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}
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/**
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* Write the accessfile
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* @throws AccessFileWriteableException
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*/
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public function write()
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{
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// full path and filename
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$sFileName = $this->sFullFileName.$this->sFileExtension;
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// remove AppPath from File for use in error messages
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$sDisplayFilename = str_replace($this->oReg->AppPath, '', $sFileName);
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// do not allow writing if PageId is missing!
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if (!$this->aVars['iPageId']) {
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throw new AccessFileWriteableException('Missing PageId for file [' . $sDisplayFilename . ']');
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}
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// build the content for the access file
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$sContent = $this->buildFileContent($this->buildPathToIndexFile($sFileName));
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// create path if file does not already exists
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if (!file_exists($sFileName)) {
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$this->createPath($sFileName);
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}
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// create new file or overwrite existing one
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if (!file_put_contents($sFileName, $sContent)) {
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throw new AccessFileWriteableException('Unable to write file [' . $sDisplayFilename . ']');
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}
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// do chmod if os is not windows
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if (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN') {
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chmod($sFileName, $this->oReg->OctalFileMode);
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}
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}
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/**
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* searchParentPageId
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* @param string $sAccessFilesRoot
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* @param string $sFullFilePath
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* @return int found page-id
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* @description find first valid accessfile backwards in the parent line<br />
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* or the start page if no parent is found.
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*/
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protected function searchParentPageId($sAccessFilesRoot, $sFullFilePath)
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{
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return $iPageId;
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}
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/**
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* Rename an existing Accessfile
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* @param string $sNewName the new filename without path and without extension
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* @return boolean
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* @throws AccessFileAccessFileRenameException
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*/
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public function rename($sNewName)
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{
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// validate and sanitize new filename
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$sPattern = '/(^'.preg_quote($this->sAccessFilesRoot, '/').'|^'.preg_quote($this->oReg->AppPath, '/')
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. ')?([^\/]*?)(?:'.preg_quote($this->sFileExtension, '/').')?$/s';
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if (!preg_match($sPattern, $sNewName, $aMatches)) {
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// sorry, but the given filename is not valid!
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throw new AccessFileRenameException('invalid filename [' . str_replace($this->oReg->AppPath, '', $sNewName) . ']');
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}
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$sOldFileName = $this->sFullFileName;
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// $aMatches[sizeof($aMatches)-1] contains the new filename without extension only
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$sNewFileName = preg_replace('/(^.*?)[^\/]*$/', '\1'.$aMatches[sizeof($aMatches)-1], $sOldFileName);
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$sDisplayOldFileName = str_replace($this->oReg->AppPath, '', $sOldFileName);
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$sDisplayNewFileName = str_replace($this->oReg->AppPath, '', $sNewFileName);
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if (file_exists($sNewFileName.$this->sFileExtension) || file_exists($sNewFileName.'/')) {
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// if new filename or directory already exists
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throw new AccessFileRenameException('new file or new dirname already exists ['.$sDisplayNewFileName.'{'.$this->sFileExtension.'}]');
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}
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if (!is_writeable($sOldFileName.$this->sFileExtension)) {
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// old file is not writable an can not be renamed
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throw new AccessFileRenameException('file not exists or file is readonly ['.$sDisplayOldFileName.$this->sFileExtension.']');
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}
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$bSubdirRenamed = false; // set default value
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if (file_exists($sOldFileName.'/')) { //
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if (is_writeable($sOldFileName.'/')) {
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if (!( $bSubdirRenamed = rename($sOldFileName.'/', $sOldFileName.'/'))) {
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throw new AccessFileRenameException('unable to rename directory ['.$sDisplayOldFileName.'/] to ['.$sDisplayNewFileName.'/]');
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}
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} else {
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throw new AccessFileRenameException('directory is not writeable ['.$sDisplayOldFileName.'/]');
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}
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}
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// try to rename accessfile
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if (!rename($sOldFileName.$this->sFileExtension, $sNewFileName.$this->sFileExtension)) {
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if ($bSubdirRenamed) { rename($sNewFileName.'/', $sOldFileName.'/'); }
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$sMsg = 'unable to rename file ['.$sDisplayOldFileName.$this->sFileExtension
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. '] to ['.$sDisplayOldFileName.$this->sFileExtension.']';
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throw new AccessFileRenameException($sMsg);
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}
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return true;
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}
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/**
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* Delete the actual Accessfile
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* @return boolean true if successfull
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* @throws AccessFileIsNoAccessfileException
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* @throws AccessFileWriteableException
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*/
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public function delete($bForceDelete = true)
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{
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$sFileName = $this->sFullFileName.$this->sFileExtension;
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if (!AccessFileHelper::isAccessFile($sFileName)) {
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throw new AccessFileIsNoAccessfileException('requested file is NOT an accessfile');
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}
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if (file_exists($sFileName) && is_writeable($sFileName))
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{
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if (is_writeable($this->sFullFileName)) {
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AccessFileHelper::delTree($this->sFullFileName, AccessFileHelper::DEL_ROOT_DELETE);
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}
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unlink($sFileName);
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$sFileName = '';
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} else {
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throw new AccessFileWriteableException('requested file not exists or permissions missing');
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}
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}
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/**
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* getFilename
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* @return string path+name of the current accessfile
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*/
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public function getFileName()
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{
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return $this->sFullFileName.$this->sFileExtension;
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}
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/**
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* getPageId
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* @return integer
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*/
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public function getPageId()
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{
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return (isset($this->aVars['iPageId']) ? $this->aVars['iPageId'] : 0);
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}
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/**
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* get number of the last occured error
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* @return int
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*/
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public function getError()
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{
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return $this->iErrorNo;
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}
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/**
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* set number of error
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* @param type $iErrNo
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*/
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protected function setError($iErrNo = self::ERR_NONE)
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{
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$this->iErrorNo = $iErrNo;
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}
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/**
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* Create Path to Accessfile
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* @param string full path/name to new access file
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* @throws AccessFileWriteableException
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* @throws AccessFileInvalidStructureException
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*/
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protected function createPath($sFilename)
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{
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$sFilename = str_replace($this->sAccessFilesRoot, '', $sFilename);
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$sPagesDir = $this->sAccessFilesRoot;
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if (($iSlashPosition = mb_strrpos($sFilename, '/')) !== false) {
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// if subdirs exists, then procceed extended check
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$sExtension = preg_replace('/.*?(\.[a-z][a-z0-9]+)$/siU', '\1', $sFilename);
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$sParentDir = mb_substr($sFilename, 0, $iSlashPosition);
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if (file_exists($sPagesDir . $sParentDir)) {
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if (!is_writable($sPagesDir . $sParentDir)) {
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throw new AccessFileWriteableException('No write permissions for ' . $sPagesDir . $sParentDir);
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}
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} else {
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// if parentdir not exists
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if (file_exists($sPagesDir . $sParentDir . $sExtension)) {
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300
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// but parentaccessfile exists, create parentdir and ok
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301
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$iOldUmask = umask(0);
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$bRetval = mkdir($sPagesDir . $sParentDir, $this->oReg->OctalDirMode);
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umask($iOldUmask);
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} else {
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throw new AccessFileInvalidStructureException('invalid structure - missing file: ' . $sFilename);
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}
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307
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if (!$bRetval) {
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308
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throw new AccessFileWriteableException('Unable to create ' . $sPagesDir . $sParentDir);
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309
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}
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310
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}
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311
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}
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312
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}
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313
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/**
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314
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* Sanitize value
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315
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* @param mixed Value to sanitize
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316
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* @param string Type of the variable (use class constants to define)
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* @return string printable value
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318
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* @throws InvalidArgumentException
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319
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*/
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320
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protected function sanitizeValue($mValue, $sType)
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321
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{
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322
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$mRetval = '';
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switch ($sType)
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{
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325
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case self::VAR_BOOLEAN:
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case self::VAR_BOOL:
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$mRetval = (filter_var(strtolower($mValue), FILTER_VALIDATE_BOOLEAN) ? '1' : '0');
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328
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break;
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329
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case self::VAR_INTEGER:
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330
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case self::VAR_INT:
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if (filter_var($mValue, FILTER_VALIDATE_INT) === false) {
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throw new InvalidArgumentException('value is not an integer');
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333
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}
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334
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$mRetval = (string) $mValue;
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335
|
break;
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336
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case self::VAR_FLOAT:
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337
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if (filter_var($mValue, FILTER_VALIDATE_FLOAT) === false) {
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throw new InvalidArgumentException('value is not a float');
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339
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}
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340
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$mRetval = (string) $mValue;
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341
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break;
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342
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default: // VAR_STRING
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343
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$mRetval = '\'' . (string) $mValue . '\'';
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344
|
break;
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345
|
}
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346
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return $mRetval;
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347
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}
|
|
348
|
|
|
349
|
/**
|
|
350
|
* Calculate backsteps in directory
|
|
351
|
* @param string accessfile
|
|
352
|
*/
|
|
353
|
protected function buildPathToIndexFile($sFileName)
|
|
354
|
{
|
|
355
|
$iBackSteps = substr_count(str_replace($this->oReg->AppPath, '', $sFileName), '/');
|
|
356
|
return str_repeat('../', $iBackSteps) . 'index.php';
|
|
357
|
}
|
|
358
|
|
|
359
|
/**
|
|
360
|
* Build the content of the new accessfile
|
|
361
|
* @param string $sIndexFile name and path to the wb/index.php file
|
|
362
|
* @return string
|
|
363
|
*/
|
|
364
|
protected function buildFileContent($sIndexFile)
|
|
365
|
{
|
|
366
|
$sFileContent
|
|
367
|
= '<?php' . "\n"
|
|
368
|
. '// *** This file was created automatically by ' ."\n"
|
|
369
|
. '// *** ' . $this->oReg->AppName . ' Ver.' . $this->oReg->AppVersion
|
|
370
|
. ($this->oReg->AppServicePack != '' ? ' '.$this->oReg->AppServicePack : '')
|
|
371
|
. ' Rev.' . $this->oReg->AppRevision . "\n"
|
|
372
|
. '// *** on ' . date('c') . "\n"
|
|
373
|
. '//' . "\n"
|
|
374
|
. '// *** Warning *************************************' . "\n"
|
|
375
|
. '// *** Please do not manually change this file!' . "\n"
|
|
376
|
. '// *** It will be recreated from time to time and' . "\n"
|
|
377
|
. '// *** then all manual changes will get lost!!' . "\n"
|
|
378
|
. '// *************************************************' . "\n"
|
|
379
|
. '//' . "\n";
|
|
380
|
foreach ($this->aVars as $sKey => $sVar) {
|
|
381
|
$sFileContent .= "\t" . '$' . $sKey . ' = ' . $sVar . ';' . "\n";
|
|
382
|
}
|
|
383
|
foreach ($this->aConsts as $sKey => $sVar) {
|
|
384
|
$sFileContent .= "\t" . 'define(\'' . $sKey . '\', ' . $sVar . '); // ** deprecated command **' . "\n";
|
|
385
|
}
|
|
386
|
$sFileContent
|
|
387
|
.="\t" . 'require(\'' . $sIndexFile . '\');' . "\n"
|
|
388
|
. "\t" . 'exit();' . "\n"
|
|
389
|
. '// *************************************************' . "\n"
|
|
390
|
. '// end of file' . "\n";
|
|
391
|
return $sFileContent;
|
|
392
|
}
|
|
393
|
|
|
394
|
}
|
|
395
|
|
|
396
|
// end of class AccessFile
|
|
397
|
// //////////////////////////////////////////////////////////////////////////////////// //
|
|
398
|
/**
|
|
399
|
* AccessFileException
|
|
400
|
*
|
|
401
|
* @category WBCore
|
|
402
|
* @package WBCore_Accessfiles
|
|
403
|
* @author M.v.d.Decken <manuela@isteam.de>
|
|
404
|
* @copyright M.v.d.Decken <manuela@isteam.de>
|
|
405
|
* @license http://www.gnu.org/licenses/gpl.html GPL License
|
|
406
|
* @version 2.9.0
|
|
407
|
* @revision $Revision: 12 $
|
|
408
|
* @lastmodified $Date: 2012-12-29 21:39:37 +0100 (Sa, 29 Dez 2012) $
|
|
409
|
* @description Exceptionhandler for the Accessfiles and depending classes
|
|
410
|
*/
|
|
411
|
|
|
412
|
class AccessFileException extends AppException { }
|
|
413
|
class AccessFileInvalidStructureException extends AccessFileException { }
|
|
414
|
class AccessFileIsNoAccessfileException extends AccessFileException { }
|
|
415
|
class AccessFileConstForbiddenException extends AccessFileException { }
|
|
416
|
class AccessFileInvalidFilePathException extends AccessFileException { }
|
|
417
|
class AccessFileRenameException extends AccessFileException { }
|
|
418
|
class AccessFileWriteableException extends AccessFileException { }
|