/system/application/libraries/functions.php

<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');

/**

 * XtraUpload

 *

 * A turn-key open source web 2.0 PHP file uploading package requiring PHP v5

 *

 * @package		XtraUpload

 * @author		Matthew Glinski

 * @copyright	Copyright (c) 2006, XtraFile.com

 * @license		http://xtrafile.com/docs/license

 * @link		http://xtrafile.com

 * @since		Version 2.0

 * @filesource

 */



// ------------------------------------------------------------------------



/**

 * XtraUpload Functions Library

 *

 * @package		XtraUpload

 * @subpackage	Library

 * @category	Library

 * @author		Matthew Glinski

 * @link		http://xtrafile.com/docs/pages/files

 */



// ------------------------------------------------------------------------



class Functions

{

	function getRandId($length=10)

	{

		$password = "";

		$vals = 'abcdefghijklmnopqrstuvwxyz'.strtoupper('abcdefghijklmnopqrstuvwxyz').'0123456789_-'; 

		

		while (strlen($password) < $length) 

		{

			$num = mt_rand() % strlen($vals);

			

			if($num > 60)

			{

				$num = mt_rand(0, 60);

			}

			

			$password .= substr($vals, $num+4, 1);

		}

		return $password;

	}

	

	public function genPass($length, $caps=true)

	{

		$password = "";

		if(!$caps)

		{

			$vals = 'abchefghjkmnpqrstuvwxyz0123456789'; 

		}

		else

		{

			$vals = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabchefghjkmnpqrstuvwxyz0123456789'; 

		}

		$length;

		while (strlen($password) < $length) 

		{

			mt_getrandmax();

			$num = rand() % strlen($vals);

			$password .= substr($vals, $num+4, 1);

		}

		return $password;

	}

	

	function checkLogin($send='/user/login')

	{

		$CI =& get_instance();

		if(!$CI->session->userdata('id'))

		{

			redirect($send);

			exit();

		}

	}

	

	function elipsis($str, $count = 13)

	{

		if(strlen($str) <= ($count*3))

		{

			return $str;

		}

		

		$parts = str_split($str, 3);

		$i=0;

		$return='';

		while(($count-3) >= ($i))

		{

			$return .= $parts[$i];

			$i++;

		}

		

		$return .= '&hellip;';

		$return .= $parts[(count($parts) - 3)].$parts[(count($parts) - 2)].end($parts);

		return $return;

	}

	

	function is_image($file)

	{

		$img_ext = array('jpg', 'gif', 'jpeg', 'png');

		$file_ext = end(explode('.', basename($file)));

		

		if (in_array(strtolower($file_ext), $img_ext))

		{

			return TRUE;

		}

		else

		{

			return FALSE;

		}



	}

	

	function getFileTypeIcon($type)

	{

		if(file_exists('./img/files/'.$type.'.png'))

		{

			return $type.'.png';

		}

		else

		{

			return 'default.png';

		}

	}

	

	function getJSONFileTypeList()

	{

		return '"3gp", "7z", "aca", "ai", "api", "app", "as", "ascx", "asmx", "asp", "aspx", "avi", "avs", "axt", "bash", "bat", "bmp", "c", "cab", "cal", "cat", "cda", "cf", "chm", "cnf", "conf", "config", "cpl", "cpp", "crt", "cs", "csproj", "css", "csv", "cue", "dar", "db", "dbp", "dem", "disco", "dll", "dng", "doc", "dot", "dpk", "dpr", "dps", "dtq", "dun", "etp", "exe", "fdb", "fhf", "fla", "flv", "fnd", "fon", "gif", "gz", "h", "hlp", "hol", "htm", "html", "htt", "hxc", "hxi", "hxk", "hxs", "hxt", "icm", "ini", "ins", "iqy", "iso", "its", "jar", "java", "jbf", "job", "jpeg", "jpf", "jpg", "js", "lnk", "m3u", "m3v", "m4a", "m4p", "m4v", "mad", "map", "mapup", "mat", "mdb", "mdf", "mht", "mml", "mov", "mp3", "mp4", "mpeg", "mpg", "msc", "msg", "msi", "ncd", "nfo", "none", "nrg", "ogg", "ost", "otf", "pas", "pdf", "pdi", "pet", "pfm", "php", "pif", "plg", "pmc", "", "pot", "ppk", "pps", "ppt", "prf", "psd", "psp", "pub", "qbb", "rar", "rb", "rc", "rct", "rdp", "refresh", "reg", "res", "resx", "rmvb", "rss", "rtf", "sdl", "sea", "sh", "shs", "sln", "sql", "suo", "swf", "tar", "tdf", "tdl", "theme", "tiff", "ttf", "txt", "url", "vb", "vbproj", "vbs", "vcard", "vcf", "vob", "vsmacros", "wab", "wma", "wmv", "wpl", "wri", "wsc", "xhtml", "xla", "xls", "xml", "xpi", "xsd", "xsl", "xslt", "xsn", "zip"';

	}

	

	function getFilesizePrefix($size, $mode = 0)

	{

		$times = 0;

		$comma = '.';

		while (1024 < $size)

		{

		  ++$times;

		  $size = $size / 1024;

		}

	

		$size2 = floor ($size);

		$rest = $size - $size2;

		$rest = $rest * 100;

		$decimal = floor ($rest);

		$addsize = $decimal;

		if ($decimal < 10)

		{

		  $addsize .= '0';

		}

	

		if ($times == 0)

		{

		  $addsize = $size2;

		}

		else

		{

		  $addsize = $size2 . $comma . substr ($addsize, 0, 2);

		}

	

		switch ($times)

		{

		  case 0:

		  {

			$mega = ' Byte';

			break;

		  }

	

		  case 1:

		  {

			$mega = ' KB';

			break;

		  }

	

		  case 2:

		  {

			$mega = ' MB';

			break;

		  }

	

		  case 3:

		  {

			$mega = ' GB';

			break;

		  }

	

		  case 4:

		  {

			$mega = ' TB';

			break;

		  }

		  

		  case 5:

		  {

			$mega = ' PB';

			break;

		  }

		  

		  case 6:

		  {

			$mega = ' EB';

			break;

		  }

		  

		  case 7:

		  {

			$mega = ' ZB';

			break;

		  }

		  

		  case 8:

		  {

			$mega = ' YB';

			break;

		  }

		}

	

		if (($mode == 1 AND $pos = strrpos ($addsize, '.') !== false))

		{

		  $addsize = substr ($addsize, 0, $pos);

		}

	

		$addsize .= $mega;

		return $addsize;

	}

	

	public function parseVersion($v, $details=true)

	{

		if(!stristr($v, ','))

		{

			return 'Not Valid Version Number!';

		}

		

		$parts = explode(',',$v);

		$version = $parts[0];

		

		if($details)

		{

			$part = (int)str_replace('.','',$parts[1]);

			if($part < 10)

			{

				$ver = explode('.',$parts[1]);

				$part = (int)($ver[3]);

				$version .= ' [ALPHA-'.round($part / 1).']';

			}

			else if($part < 100)

			{

				$ver = explode('.',$parts[1]);

				$part = (int)($ver[2].'0');

				$version .= ' [BETA-'.round($part / 10).']';

			}

			else if($part < 1000)

			{

				$ver = explode('.',$parts[1]);

				$part = (int)($ver[1].'00');

				$version .= ' [RC-'.round($part / 100).']';

			}

			else

			{

				if($part > 1000)

				{

					//$version .= '; Build: '.(int)substr($part,1,3);

					$version .= ' r'.(int)substr($part,1,3).' STABLE';

				}

				else

				{

					$version .= ' [STABLE]';

				}

				

			}

		}

		

		return $version;

	}

}

?>