PHP+access企业网站管理系统

<?php function CombinePaths( $sBasePath, $sFolder ) { return RemoveFromEnd( $sBasePath, '/' ) . '/' . RemoveFromStart( $sFolder, '/' ) ; } function GetResourceTypePath( $resourceType, $sCommand ) { global $Config ; if ( $sCommand == "QuickUpload") return $Config['QuickUploadPath'][$resourceType] ; else return $Config['FileTypesPath'][$resourceType] ; } function GetResourceTypeDirectory( $resourceType, $sCommand ) { global $Config ; if ( $sCommand == "QuickUpload") { if ( strlen( $Config['QuickUploadAbsolutePath'][$resourceType] ) > 0 ) return $Config['QuickUploadAbsolutePath'][$resourceType] ; // Map the "UserFiles" path to a local directory. return Server_MapPath( $Config['QuickUploadPath'][$resourceType] ) ; } else { if ( strlen( $Config['FileTypesAbsolutePath'][$resourceType] ) > 0 ) return $Config['FileTypesAbsolutePath'][$resourceType] ; // Map the "UserFiles" path to a local directory. return Server_MapPath( $Config['FileTypesPath'][$resourceType] ) ; } } function GetUrlFromPath( $resourceType, $folderPath, $sCommand ) { return CombinePaths( GetResourceTypePath( $resourceType, $sCommand ), $folderPath ) ; } function RemoveExtension( $fileName ) { return substr( $fileName, 0, strrpos( $fileName, '.' ) ) ; } function ServerMapFolder( $resourceType, $folderPath, $sCommand ) { // Get the resource type directory. $sResourceTypePath = GetResourceTypeDirectory( $resourceType, $sCommand ) ; // Ensure that the directory exists. $sErrorMsg = CreateServerFolder( $sResourceTypePath ) ; if ( $sErrorMsg != '' ) SendError( 1, "Error creating folder \"{$sResourceTypePath}\" ({$sErrorMsg})" ) ; // Return the resource type directory combined with the required path. return CombinePaths( $sResourceTypePath , $folderPath ) ; } function GetParentFolder( $folderPath ) { $sPattern = "-[/\\\\][^/\\\\]+[/\\\\]?$-" ; return preg_replace( $sPattern, '', $folderPath ) ; } function CreateServerFolder( $folderPath, $lastFolder = null ) { global $Config ; $sParent = GetParentFolder( $folderPath ) ; // Ensure the folder path has no double-slashes, or mkdir may fail on certain platforms while ( strpos($folderPath, '//') !== false ) { $folderPath = str_replace( '//', '/', $folderPath ) ; } // Check if the parent exists, or create it. if ( !empty($sParent) && !file_exists( $sParent ) ) { //prevents agains infinite loop when we can't create root folder if ( !is_null( $lastFolder ) && $lastFolder === $sParent) { return "Can't create $folderPath directory" ; } $sErrorMsg = CreateServerFolder( $sParent, $folderPath ) ; if ( $sErrorMsg != '' ) return $sErrorMsg ; } if ( !file_exists( $folderPath ) ) { // Turn off all error reporting. error_reporting( 0 ) ; $php_errormsg = '' ; // Enable error tracking to catch the error. ini_set( 'track_errors', '1' ) ; if ( isset( $Config['ChmodOnFolderCreate'] ) && !$Config['ChmodOnFolderCreate'] ) { mkdir( $folderPath ) ; } else { $permissions = 0777 ; if ( isset( $Config['ChmodOnFolderCreate'] ) ) { $permissions = $Config['ChmodOnFolderCreate'] ; } // To create the folder with 0777 permissions, we need to set umask to zero. $oldumask = umask(0) ; mkdir( $folderPath, $permissions ) ; umask( $oldumask ) ; } $sErrorMsg = $php_errormsg ; // Restore the configurations. ini_restore( 'track_errors' ) ; ini_restore( 'error_reporting' ) ; return $sErrorMsg ; } else return '' ; } function GetRootPath() { if (!isset($_SERVER)) { global $_SERVER; } $sRealPath = realpath( './' ) ; // #2124 ensure that no slash is at the end $sRealPath = rtrim($sRealPath,"\\/"); $sSelfPath = $_SERVER['PHP_SELF'] ; $sSelfPath = substr( $sSelfPath, 0, strrpos( $sSelfPath, '/' ) ) ; $sSelfPath = str_replace( '/', DIRECTORY_SEPARATOR, $sSelfPath ) ; $position = strpos( $sRealPath, $sSelfPath ) ; // This can check only that this script isn't run from a virtual dir // But it avoids the problems that arise if it isn't checked if ( $position === false || $position <> strlen( $sRealPath ) - strlen( $sSelfPath ) ) SendError( 1, 'Sorry, can\'t map "UserFilesPath" to a physical path. You must set the "UserFilesAbsolutePath" value in "editor/filemanager/connectors/php/config.php".' ) ; return substr( $sRealPath, 0, $position ) ; } // Emulate the asp Server.mapPath function. // given an url path return the physical directory that it corresponds to function Server_MapPath( $path ) { // This function is available only for Apache if ( function_exists( 'apache_lookup_uri' ) ) { $info = apache_lookup_uri( $path ) ; return $info->filename . $info->path_info ; } // This isn't correct but for the moment there's no other solution // If this script is under a virtual directory or symlink it will detect the problem and stop return GetRootPath() . $path ; } function IsAllowedExt( $sExtension, $resourceType ) { global $Config ; // Get the allowed and denied extensions arrays. $arAllowed = $Config['AllowedExtensions'][$resourceType] ; $arDenied = $Config['DeniedExtensions'][$resourceType] ; if ( count($arAllowed) > 0 && !in_array( $sExtension, $arAllowed ) ) return false ; if ( count($arDenied) > 0 && in_array( $sExtension, $arDenied ) ) return false ; return true ; } function IsAllowedType( $resourceType ) { global $Config ; if ( !in_array( $resourceType, $Config['ConfigAllowedTypes'] ) ) return false ; return true ; } function IsAllowedCommand( $sCommand ) { global $Config ; if ( !in_array( $sCommand, $Config['ConfigAllowedCommands'] ) ) return false ; return true ; } function GetCurrentFolder() { if (!isset($_GET)) { global $_GET; } $sCurrentFolder = isset( $_GET['CurrentFolder'] ) ? $_GET['CurrentFolder'] : '/' ; // Check the current folder syntax (must begin and start with a slash). if ( !preg_match( '|/$|', $sCurrentFolder ) ) $sCurrentFolder .= '/' ; if ( strpos( $sCurrentFolder, '/' ) !== 0 ) $sCurrentFolder = '/' . $sCurrentFolder ; // Ensure the folder path has no double-slashes while ( strpos ($sCurrentFolder, '//') !== false ) { $sCurrentFolder = str_replace ('//', '/', $sCurrentFolder) ; } // Check for invalid folder paths (..) if ( strpos( $sCurrentFolder, '..' ) || strpos( $sCurrentFolder, "\\" )) SendError( 102, '' ) ; if ( preg_match(",(/\.)|[[:cntrl:]]|(//)|(\\\\)|([\:\*\?\"\<\>\|]),", $sCurrentFolder)) SendError( 102, '' ) ; return $sCurrentFolder ; } // Do a cleanup of the folder name to avoid possible problems function SanitizeFolderName( $sNewFolderName ) { $sNewFolderName = stripslashes( $sNewFolderName ) ; // Remove . \ / | : ? * " < > $sNewFolderName = preg_replace( '/\\.|\\\\|\\/|\\||\\:|\\?|\\*|"|<|>|[[:cntrl:]]/', '_', $sNewFolderName ) ; return $sNewFolderName ; } //Do a cleanup of the file name to avoid possible problems // function SanitizeFileName( $sNewFileName ) // { // global $Config ; // // $sNewFileName = stripslashes( $sNewFileName ) ; // // // Replace dots in the name with underscores (only one dot can be there... security issue). // if ( $Config['ForceSingleExtension'] ) // $sNewFileName = preg_replace( '/\\.(?![^.]*$)/', '_', $sNewFileName ) ; // // // Remove \ / | : ? * " < > // $sNewFileName = preg_replace( '/\\\\|\\/|\\||\\:|\\?|\\*|"|<|>|[[:cntrl:]]/', '_', $sNewFileName ) ; // // return $sNewFileName ; // } function SanitizeFileName( $sNewFileName ) { global $Config ; $sNewFileName = stripslashes( $sNewFileName ) ; // Replace dots in the name with underscores (only one dot can be there... security issue). if ( $Config['ForceSingleExtension'] ) $sNewFileName = preg_replace( '/\\.(?![^.]*$)/', '_', $sNewFi