<?php
class SC_Function extends SC_Query  {
	function CheckPermission($type_id,$func_name,$action = ""){ 
		if($action){
			$actArr = "permis_".$action;	
		}
		$perArr = $this->getOne("cmw_permission","*","user_type='".$type_id."' and permis_function='".$func_name."'");
		if($perArr){
			if($perArr['permis_function']==$func_name){
				if($actArr){
					$arrReturn = $perArr[$actArr];	
				}else{
					if($perArr['permis_function']=="document"){
						if($perArr['permis_add']==0 && $perArr['permis_edit']==0 && $perArr['permis_del']==0 && $perArr['permis_view']==0 && $perArr['permis_download']==0 && $perArr['permis_report']==0) {
							$arrReturn = 0;	
						}else{
							$arrReturn = 1;	
						}
					}else{
						if($perArr['permis_report']==1){
							$arrReturn = 1;
						}elseif($perArr['permis_add']==0 && $perArr['permis_edit']==0 && $perArr['permis_del']==0 && $perArr['permis_view']==0) {
							$arrReturn = 0;	
						}else{
							$arrReturn = 1;	
						}
					}//end if check permis_function
				}//end if check action
			}
		}
		
		return $arrReturn;

	}

	function getBrowser(){
		$u_agent = $_SERVER['HTTP_USER_AGENT'];
		$bname = 'Unknown';
		$platform = 'Unknown';
		$version= "";
	
		//First get the platform?
		if (preg_match('/linux/i', $u_agent)) {
			$platform = 'linux';
		}
		elseif (preg_match('/macintosh|mac os x/i', $u_agent)) {
			$platform = 'mac';
		}
		elseif (preg_match('/windows|win32/i', $u_agent)) {
			$platform = 'windows';
		}
	   
		// Next get the name of the useragent yes seperately and for good reason
		if(preg_match('/MSIE/i',$u_agent) && !preg_match('/Opera/i',$u_agent))
		{
			$bname = 'Internet Explorer';
			$ub = "MSIE";
		}
		elseif(preg_match('/Firefox/i',$u_agent))
		{
			$bname = 'Mozilla Firefox';
			$ub = "Firefox";
		}
		elseif(preg_match('/Chrome/i',$u_agent))
		{
			$bname = 'Google Chrome';
			$ub = "Chrome";
		}
		elseif(preg_match('/Safari/i',$u_agent))
		{
			$bname = 'Apple Safari';
			$ub = "Safari";
		}
		elseif(preg_match('/Opera/i',$u_agent))
		{
			$bname = 'Opera';
			$ub = "Opera";
		}
		elseif(preg_match('/Netscape/i',$u_agent))
		{
			$bname = 'Netscape';
			$ub = "Netscape";
		}
	   
		// finally get the correct version number
		$known = array('Version', $ub, 'other');
		$pattern = '#(?<browser>' . join('|', $known) .
		')[/ ]+(?<version>[0-9.|a-zA-Z.]*)#';
		if (!preg_match_all($pattern, $u_agent, $matches)) {
			// we have no matching number just continue
		}
	   
		// see how many we have
		$i = count($matches['browser']);
		if ($i != 1) {
			//we will have two since we are not using 'other' argument yet
			//see if version is before or after the name
			if (strripos($u_agent,"Version") < strripos($u_agent,$ub)){
				$version= $matches['version'][0];
			}
			else {
				$version= $matches['version'][1];
			}
		}
		else {
			$version= $matches['version'][0];
		}
	   
		// check if we have a number
		if ($version==null || $version=="") {$version="?";}
	   
		return array(
			'userAgent' => $u_agent,
			'name'      => $bname,
			'version'   => $version,
			'platform'  => $platform,
			'pattern'    => $pattern
		);
	}
	
	function createPassword($length) {
		$chars = "234567890abcdefghijkmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
		$i = 0;
		$password = "";
		while ($i <= $length) {
			$password .= $chars{mt_rand(0,strlen($chars))};
			$i++;
		}
		return $password;
	}
	
	##########################################################################################################
	# IMAGE FUNCTIONS																						 #
	# You do not need to alter these functions																 #
	##########################################################################################################
	function resizeImage($image,$width,$height,$scale) {
		list($imagewidth, $imageheight, $imageType) = getimagesize($image);
		$imageType = image_type_to_mime_type($imageType);
		$newImageWidth = ceil($width * $scale);
		$newImageHeight = ceil($height * $scale);
		$newImage = imagecreatetruecolor($newImageWidth,$newImageHeight);
		switch($imageType) {
			case "image/gif":
				$source=imagecreatefromgif($image); 
				break;
			case "image/pjpeg":
			case "image/jpeg":
			case "image/jpg":
				$source=imagecreatefromjpeg($image); 
				break;
			case "image/png":
			case "image/x-png":
				$source=imagecreatefrompng($image); 
				break;
		}
		imagecopyresampled($newImage,$source,0,0,0,0,$newImageWidth,$newImageHeight,$width,$height);
		
		switch($imageType) {
			case "image/gif":
				imagegif($newImage,$image); 
				break;
			case "image/pjpeg":
			case "image/jpeg":
			case "image/jpg":
				imagejpeg($newImage,$image,90); 
				break;
			case "image/png":
			case "image/x-png":
				imagepng($newImage,$image);  
				break;
		}
		
		chmod($image, 0777);
		return $image;
	}
	//You do not need to alter these functions
	function resizeThumbnailImage($thumb_image_name, $image, $width, $height, $start_width, $start_height, $scale){
		list($imagewidth, $imageheight, $imageType) = getimagesize($image);
		$imageType = image_type_to_mime_type($imageType);
		
		$newImageWidth = ceil($width * $scale);
		$newImageHeight = ceil($height * $scale);
		$newImage = imagecreatetruecolor($newImageWidth,$newImageHeight);
		switch($imageType) {
			case "image/gif":
				$source=imagecreatefromgif($image); 
				break;
			case "image/pjpeg":
			case "image/jpeg":
			case "image/jpg":
				$source=imagecreatefromjpeg($image); 
				break;
			case "image/png":
			case "image/x-png":
				$source=imagecreatefrompng($image); 
				break;
		}
		imagecopyresampled($newImage,$source,0,0,$start_width,$start_height,$newImageWidth,$newImageHeight,$width,$height);
		switch($imageType) {
			case "image/gif":
				imagegif($newImage,$thumb_image_name); 
				break;
			case "image/pjpeg":
			case "image/jpeg":
			case "image/jpg":
				imagejpeg($newImage,$thumb_image_name,90); 
				break;
			case "image/png":
			case "image/x-png":
				imagepng($newImage,$thumb_image_name);  
				break;
		}
		chmod($thumb_image_name, 0777);
		return $thumb_image_name;
	}
	//You do not need to alter these functions
	function getHeight($image) {
		$size = getimagesize($image);
		$height = $size[1];
		return $height;
	}
	//You do not need to alter these functions
	function getWidth($image) {
		$size = getimagesize($image);
		$width = $size[0];
		return $width;
	}
	
	
}
?>