seeddms-code/SeedDMS_Core/Core/inc.FileUtils.php
2020-06-19 11:36:51 +02:00

287 lines
6.2 KiB
PHP

<?php
/**
* Implementation of various file system operations
*
* @category DMS
* @package SeedDMS_Core
* @license GPL 2
* @version @version@
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2002-2005 Markus Westphal,
* 2006-2008 Malcolm Cowe, 2010 Matteo Lucarelli,
* 2010 Uwe Steinmann
* @version Release: @package_version@
*/
/**
* Class to represent a user in the document management system
*
* @category DMS
* @package SeedDMS_Core
* @author Markus Westphal, Malcolm Cowe, Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2002-2005 Markus Westphal,
* 2006-2008 Malcolm Cowe, 2010 Matteo Lucarelli,
* 2010 Uwe Steinmann
* @version Release: @package_version@
*/
class SeedDMS_Core_File {
/**
* @param $old
* @param $new
* @return bool
*/
static function renameFile($old, $new) { /* {{{ */
return @rename($old, $new);
} /* }}} */
/**
* @param $file
* @return bool
*/
static function removeFile($file) { /* {{{ */
return @unlink($file);
} /* }}} */
/**
* @param $source
* @param $target
* @return bool
*/
static function copyFile($source, $target) { /* {{{ */
return @copy($source, $target);
} /* }}} */
/**
* @param $source
* @param $target
* @return bool
*/
static function moveFile($source, $target) { /* {{{ */
/** @noinspection PhpUndefinedFunctionInspection */
if (!@copyFile($source, $target))
return false;
/** @noinspection PhpUndefinedFunctionInspection */
return @removeFile($source);
} /* }}} */
/**
* @param $file
* @return bool|int
*/
static function fileSize($file) { /* {{{ */
if(!$a = fopen($file, 'r'))
return false;
fseek($a, 0, SEEK_END);
$filesize = ftell($a);
fclose($a);
return $filesize;
} /* }}} */
/**
* @param $size
* @param array $sizes
* @return string
*/
static function format_filesize($size, $sizes = array('Bytes', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB')) { /* {{{ */
if ($size == 0) return('0 Bytes');
/** @noinspection PhpIllegalArrayKeyTypeInspection */
return (round($size/pow(1024, ($i = floor(log($size, 1024)))), 2) . ' ' . $sizes[$i]);
} /* }}} */
/**
* @param $str
* @return bool|int
*/
static function parse_filesize($str) { /* {{{ */
preg_replace('/\s\s+/', '', $str);
if(in_array(strtoupper(substr($str, -1)), array('B','K','M','G'))) {
$value = (int) substr($str, 0, -1);
$unit = substr($str, -1, 1);
} else {
return (int) $str;
}
switch(strtoupper($unit)) {
case 'G':
return $value * 1024 * 1024 * 1024;
break;
case 'M':
return $value * 1024 * 1024;
break;
case 'K':
return $value * 1024;
break;
default;
return $value;
break;
}
/** @noinspection PhpUnreachableStatementInspection */
return false;
} /* }}} */
/**
* @param $file
* @return string
*/
static function checksum($file) { /* {{{ */
return md5_file($file);
} /* }}} */
/**
* @param $old
* @param $new
* @return bool
*/
static function renameDir($old, $new) { /* {{{ */
return @rename($old, $new);
} /* }}} */
/**
* @param $path
* @return bool
*/
static function makeDir($path) { /* {{{ */
if( !is_dir( $path ) ){
$res=@mkdir( $path , 0777, true);
if (!$res) return false;
}
return true;
/* some old code
if (strncmp($path, DIRECTORY_SEPARATOR, 1) == 0) {
$mkfolder = DIRECTORY_SEPARATOR;
}
else {
$mkfolder = "";
}
$path = preg_split( "/[\\\\\/]/" , $path );
for( $i=0 ; isset( $path[$i] ) ; $i++ )
{
if(!strlen(trim($path[$i])))continue;
$mkfolder .= $path[$i];
if( !is_dir( $mkfolder ) ){
$res=@mkdir( "$mkfolder" , 0777);
if (!$res) return false;
}
$mkfolder .= DIRECTORY_SEPARATOR;
}
return true;
// patch from alekseynfor safe_mod or open_basedir
global $settings;
$path = substr_replace ($path, "/", 0, strlen($settings->_contentDir));
$mkfolder = $settings->_contentDir;
$path = preg_split( "/[\\\\\/]/" , $path );
for( $i=0 ; isset( $path[$i] ) ; $i++ )
{
if(!strlen(trim($path[$i])))continue;
$mkfolder .= $path[$i];
if( !is_dir( $mkfolder ) ){
$res= @mkdir( "$mkfolder" , 0777);
if (!$res) return false;
}
$mkfolder .= DIRECTORY_SEPARATOR;
}
return true;
*/
} /* }}} */
/**
* @param $path
* @return bool
*/
static function removeDir($path) { /* {{{ */
$handle = @opendir($path);
while ($entry = @readdir($handle) )
{
if ($entry == ".." || $entry == ".")
continue;
else if (is_dir($path . $entry))
{
if (!self::removeDir($path . $entry . "/"))
return false;
}
else
{
if (!@unlink($path . $entry))
return false;
}
}
@closedir($handle);
return @rmdir($path);
} /* }}} */
/**
* @param $sourcePath
* @param $targetPath
* @return bool
*/
static function copyDir($sourcePath, $targetPath) { /* {{{ */
if (mkdir($targetPath, 0777)) {
$handle = @opendir($sourcePath);
while ($entry = @readdir($handle) ) {
if ($entry == ".." || $entry == ".")
continue;
else if (is_dir($sourcePath . $entry)) {
if (!self::copyDir($sourcePath . $entry . "/", $targetPath . $entry . "/"))
return false;
} else {
if (!@copy($sourcePath . $entry, $targetPath . $entry))
return false;
}
}
@closedir($handle);
}
else
return false;
return true;
} /* }}} */
/**
* @param $sourcePath
* @param $targetPath
* @return bool
*/
static function moveDir($sourcePath, $targetPath) { /* {{{ */
/** @noinspection PhpUndefinedFunctionInspection */
if (!copyDir($sourcePath, $targetPath))
return false;
/** @noinspection PhpUndefinedFunctionInspection */
return removeDir($sourcePath);
} /* }}} */
// code by Kioob (php.net manual)
/**
* @param $source
* @param bool $level
* @return bool|string
*/
static function gzcompressfile($source, $level=false) { /* {{{ */
$dest=$source.'.gz';
$mode='wb'.$level;
$error=false;
if($fp_out=@gzopen($dest,$mode)) {
if($fp_in=@fopen($source,'rb')) {
while(!feof($fp_in))
@gzwrite($fp_out,fread($fp_in,1024*512));
@fclose($fp_in);
}
else $error=true;
@gzclose($fp_out);
}
else $error=true;
if($error) return false;
else return $dest;
} /* }}} */
}