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<?php

# ***** BEGIN LICENSE BLOCK *****

# This file is part of DotClear.

# Copyright (c) 2004 Olivier Meunier and contributors. All rights

# reserved.

#

# DotClear is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# DotClear 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 General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with DotClear; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#

# ***** END LICENSE BLOCK *****

class files

{

	function scandir($d,$order=0)

	{

		$res = array();

		if (($dh = @opendir($d)) !== false)

		{

			while (($f = readdir($dh)) !== false) {

				$res[] = $f;

			}

			closedir($dh);

			sort($res);

			if ($order == 1) {

				rsort($res);

			}

			return $res;

		}

		else

		{

			return false;

		}

	}

	function isDeletable($f)

	{

		if (is_file($f)) {

			return is_writable(dirname($f));

		} elseif (is_dir($f)) {

			return (is_writable(dirname($f)) && count(files::scandir($f)) <= 2);

		}

	}

	# Suppression récursive d'un répertoire (rm -rf)

	function deltree($dir)

	{

		$current_dir = opendir($dir);

		while($entryname = readdir($current_dir))

		{

			if (is_dir($dir.'/'.$entryname) and ($entryname != '.' and $entryname!='..'))

			{

				if (!files::deltree($dir.'/'.$entryname)) {

					return false;

				}

			}

			elseif ($entryname != '.' and $entryname!='..')

			{

				if (!@unlink($dir.'/'.$entryname)) {

					return false;

				}

			}

		}

		closedir($current_dir);

		return @rmdir($dir);

	}

	function touch($f)

	{

		if (is_writable($f)) {

			$c = implode('',file($f));

			if ($fp = @fopen($f,'w')) {

				fwrite($fp,$c,strlen($c));

				fclose($fp);

			}

		}

	}

	function secureFile($f)

	{

		if (is_file($f))

		{

			@chmod($f,0600);

			if (is_readable($f)) {

				return true;

			} else {

				@chmod($f,0660);

				if (is_readable($f)) {

					return true;

				} else {

					@chmod($f,0666);

				}

			}

		}

	}

	function makeDir($f)

	{

		if (@mkdir($f,fileperms(dirname($f))) === false) {

			return false;

		}

		@chmod($f,fileperms(dirname($f)));

	}

	function putContent($f, $f_content)

	{

		if (is_writable($f))

		{

			if ($fp = @fopen($f, 'w'))

			{

				fwrite($fp,$f_content,strlen($f_content));

				fclose($fp);

				return true;

			}

		}

		return false;

	}

	function size($size)

	{

		$kb = 1024;

		$mb = 1024 * $kb;

		$gb = 1024 * $mb;

		$tb = 1024 * $gb;

		if($size < $kb) {

			return $size." B";

		}

		else if($size < $mb) {

			return round($size/$kb,2)." KB";

		}

		else if($size < $gb) {

			return round($size/$mb,2)." MB";

		}

		else if($size < $tb) {

			return round($size/$gb,2)." GB";

		}

		else {

			return round($size/$tb,2)." TB";

		}

	}

	# Copier d'un fichier binaire distant

	function copyRemote($src,$dest)

	{

		if (($fp1 = @fopen($src,'r')) === false)

		{

			return __('An error occured while downloading the file.');

		}

		else

		{

			if (($fp2 = @fopen($dest,'w')) === false)

			{

				fclose($fp1);

				return __('An error occured while writing the file.');

			}

			else

			{

				while (($buffer = fgetc($fp1)) !== false) {

					fwrite($fp2,$buffer);

				}

				fclose($fp1);

				fclose($fp2);

				return true;

			}

		}

	}

	# Fonctions de création de packages

	#

	function getDirList($dirName)

	{

		static $filelist = array();

		static $dirlist = array();

		$exclude_list=array('.','..','.svn');

		if (empty($res)) {

			$res = array();

		}

		$dirName = preg_replace('|/$|','',$dirName);

		if (!is_dir($dirName)) {

			return false;

		}

		$dirlist[] = $dirName;

		$d = dir($dirName);

		while($entry = $d->read())

		{

			if (!in_array($entry,$exclude_list))

			{

				if (is_dir($dirName.'/'.$entry))

				{

					if ($entry != 'CVS')

					{

						files::getDirList($dirName.'/'.$entry);

					}

				}

				else

				{

					$filelist[] = $dirName.'/'.$entry;

				}

			}

		}

		$d->close();

		return array('dirs'=>$dirlist, 'files'=>$filelist);

	}

	function makePackage($name,$dir,$remove_path='',$gzip=true)

	{

		if ($gzip && !function_exists('gzcompress')) {

			return false;

		}

		if (($filelist = files::getDirList($dir)) === false) {

			return false;

		}

		$res = array ('name' => $name, 'dirs' => array(), 'files' => array());

		foreach ($filelist['dirs'] as $v) {

			$res['dirs'][] = preg_replace('/^'.preg_quote($remove_path,'/').'/','',$v);

		}

		foreach ($filelist['files'] as $v) {

			$f_content = base64_encode(file_get_contents($v));

			$v = preg_replace('/^'.preg_quote($remove_path,'/').'/','',$v);

			$res['files'][$v] = $f_content;

		}

		$res = serialize($res);

		if ($gzip) {

			$res = gzencode($res);

		}

		return $res;

	}

}

class path

{

	function real($p,$strict=true)

	{

		$os = (DIRECTORY_SEPARATOR == '\\') ? 'win' : 'nix';

		# Chemin absolu ou non ?

		if ($os == 'win') {

			$_abs = preg_match('/^\w+:/',$p);

		} else {

			$_abs = substr($p,0,1) == '/';

		}

		# Transformation du chemin, forme std

		if ($os == 'win') {

			$p = str_replace('\\','/',$p);

		}

		# Ajout de la racine du fichier appelant si

		if (!$_abs) {

			$p = dirname($_SERVER['SCRIPT_FILENAME']).'/'.$p;

		}

		# Nettoyage

		$p = preg_replace('|/+|','/',$p);

		if (strlen($p) > 1) {

			$p = preg_replace('|/$|','',$p);

		}

		$_start = '';

		if ($os == 'win') {

			list($_start,$p) = explode(':',$p);

			$_start .= ':/';

		} else {

			$_start = '/';

		}

		$p = substr($p,1);

		# Parcours

		$P = explode('/',$p);

		$res = array();

		for ($i=0;$i<count($P);$i++)

		{

			if ($P[$i] == '.') {

				continue;

			}

			if ($P[$i] == '..') {

				if (count($res) > 0) {

					array_pop($res);

				}

			} else {

				array_push($res,$P[$i]);

			}

		}

		$p = $_start.implode('/',$res);

		if ($strict && !@file_exists($p)) {

			return false;

		}

		return $p;

	}

}

?>