tmm08a/testCode.php

## testCode.php
<html>
<head>
<!-- This stuff in the header has nothing to do with the level.
 Borrowed from OverTheWire - Natas
-->
<link rel="stylesheet" type="text/css" href="http://natas.labs.overthewire.org/css/level.css">
<link rel="stylesheet" href="http://natas.labs.overthewire.org/css/jquery-ui.css" />
<link rel="stylesheet" href="http://natas.labs.overthewire.org/css/wechall.css" />
<script src="http://natas.labs.overthewire.org/js/jquery-1.9.1.js"></script>
<script src="http://natas.labs.overthewire.org/js/jquery-ui.js"></script>

<body>
<?php
    // sry, this is ugly as hell.
    // cheers kaliman ;)
    // - morla

    class Logger{
        private $logFile;
        private $initMsg;
        private $exitMsg;

        function __construct($file){
           echo "in const";
            // initialise variables
            $this->initMsg="#--session started--#\n";
            $this->exitMsg="#--session end--#\n";
            $this->logFile = "/tmp/natas26_" . $file . ".log";

            // write initial message
            $fd=fopen($this->logFile,"a+");
            fwrite($fd,$initMsg);
            fclose($fd);
        }

        function log($msg){
            $fd=fopen($this->logFile,"a+");
            fwrite($fd,$msg."\n");
            fclose($fd);
        }

        function __destruct(){
           echo "in dest";
            // write exit message
            $fd=fopen($this->logFile,"a+");
            fwrite($fd,$this->exitMsg);
            fclose($fd);
        }
    }

    function showImage($filename){
        if(file_exists($filename))
            echo "<img src=\"$filename\">";
    }

    function drawImage($filename){
        $img=imagecreatetruecolor(400,300);
        drawFromUserdata($img);
        imagepng($img,$filename);
        imagedestroy($img);
    }

    function drawFromUserdata($img){
        if( array_key_exists("x1", $_GET) && array_key_exists("y1", $_GET) &&
            array_key_exists("x2", $_GET) && array_key_exists("y2", $_GET)){

            $color=imagecolorallocate($img,0xff,0x12,0x1c);
            imageline($img,$_GET["x1"], $_GET["y1"],
                            $_GET["x2"], $_GET["y2"], $color);
        }

        if (array_key_exists("drawing", $_COOKIE)){
            $drawing=unserialize(base64_decode($_COOKIE["drawing"]));
             var_dump($drawing);die();
            if($drawing)
                foreach($drawing as $object)
                    if( array_key_exists("x1", $object) &&
                        array_key_exists("y1", $object) &&
                        array_key_exists("x2", $object) &&
                        array_key_exists("y2", $object)){

                        $color=imagecolorallocate($img,0xff,0x12,0x1c);
                        imageline($img,$object["x1"],$object["y1"],
                                $object["x2"] ,$object["y2"] ,$color);

                    }
        }
    }

    function storeData(){
        $new_object=array();

        if(array_key_exists("x1", $_GET) && array_key_exists("y1", $_GET) &&
            array_key_exists("x2", $_GET) && array_key_exists("y2", $_GET)){
            $new_object["x1"]=$_GET["x1"];
            $new_object["y1"]=$_GET["y1"];
            $new_object["x2"]=$_GET["x2"];
            $new_object["y2"]=$_GET["y2"];
        }

        if (array_key_exists("drawing", $_COOKIE)){
            $drawing=unserialize(base64_decode($_COOKIE["drawing"]));
        }
        else{
            // create new array
            $drawing=array();
        }

        $drawing[]=$new_object;
        setcookie("drawing",base64_encode(serialize($drawing)));
    }
?>

<h1>natas26</h1>
<div id="content">

Draw a line:<br>
<form name="input" method="get">
X1<input type="text" name="x1" size=2>
Y1<input type="text" name="y1" size=2>
X2<input type="text" name="x2" size=2>
Y2<input type="text" name="y2" size=2>
<input type="submit" value="DRAW!">
</form>

<?php
    session_start();

    if (array_key_exists("drawing", $_COOKIE) ||
        (   array_key_exists("x1", $_GET) && array_key_exists("y1", $_GET) &&
            array_key_exists("x2", $_GET) && array_key_exists("y2", $_GET))){
        $imgfile="img/natas26_" . session_id() .".png";
        drawImage($imgfile);
        showImage($imgfile);
        storeData();
    }

?>

</div>
</body>
</html>
	<html>
	<head>
	<!-- This stuff in the header has nothing to do with the level.
	Borrowed from OverTheWire - Natas
	-->
	<link rel="stylesheet" type="text/css" href="http://natas.labs.overthewire.org/css/level.css">
	<link rel="stylesheet" href="http://natas.labs.overthewire.org/css/jquery-ui.css" />
	<link rel="stylesheet" href="http://natas.labs.overthewire.org/css/wechall.css" />
	<script src="http://natas.labs.overthewire.org/js/jquery-1.9.1.js"></script>
	<script src="http://natas.labs.overthewire.org/js/jquery-ui.js"></script>

	<body>
	<?php
	// sry, this is ugly as hell.
	// cheers kaliman ;)
	// - morla

	class Logger{
	private $logFile;
	private $initMsg;
	private $exitMsg;

	function __construct($file){
	echo "in const";
	// initialise variables
	$this->initMsg="#--session started--#\n";
	$this->exitMsg="#--session end--#\n";
	$this->logFile = "/tmp/natas26_" . $file . ".log";

	// write initial message
	$fd=fopen($this->logFile,"a+");
	fwrite($fd,$initMsg);
	fclose($fd);
	}

	function log($msg){
	$fd=fopen($this->logFile,"a+");
	fwrite($fd,$msg."\n");
	fclose($fd);
	}

	function __destruct(){
	echo "in dest";
	// write exit message
	$fd=fopen($this->logFile,"a+");
	fwrite($fd,$this->exitMsg);
	fclose($fd);
	}
	}

	function showImage($filename){
	if(file_exists($filename))
	echo "<img src=\"$filename\">";
	}

	function drawImage($filename){
	$img=imagecreatetruecolor(400,300);
	drawFromUserdata($img);
	imagepng($img,$filename);
	imagedestroy($img);
	}

	function drawFromUserdata($img){
	if( array_key_exists("x1", $_GET) && array_key_exists("y1", $_GET) &&
	array_key_exists("x2", $_GET) && array_key_exists("y2", $_GET)){

	$color=imagecolorallocate($img,0xff,0x12,0x1c);
	imageline($img,$_GET["x1"], $_GET["y1"],
	$_GET["x2"], $_GET["y2"], $color);
	}

	if (array_key_exists("drawing", $_COOKIE)){
	$drawing=unserialize(base64_decode($_COOKIE["drawing"]));
	var_dump($drawing);die();
	if($drawing)
	foreach($drawing as $object)
	if( array_key_exists("x1", $object) &&
	array_key_exists("y1", $object) &&
	array_key_exists("x2", $object) &&
	array_key_exists("y2", $object)){

	$color=imagecolorallocate($img,0xff,0x12,0x1c);
	imageline($img,$object["x1"],$object["y1"],
	$object["x2"] ,$object["y2"] ,$color);

	}
	}
	}

	function storeData(){
	$new_object=array();

	if(array_key_exists("x1", $_GET) && array_key_exists("y1", $_GET) &&
	array_key_exists("x2", $_GET) && array_key_exists("y2", $_GET)){
	$new_object["x1"]=$_GET["x1"];
	$new_object["y1"]=$_GET["y1"];
	$new_object["x2"]=$_GET["x2"];
	$new_object["y2"]=$_GET["y2"];
	}

	if (array_key_exists("drawing", $_COOKIE)){
	$drawing=unserialize(base64_decode($_COOKIE["drawing"]));
	}
	else{
	// create new array
	$drawing=array();
	}

	$drawing[]=$new_object;
	setcookie("drawing",base64_encode(serialize($drawing)));
	}
	?>

	<h1>natas26</h1>
	<div id="content">

	Draw a line:<br>
	<form name="input" method="get">
	X1<input type="text" name="x1" size=2>
	Y1<input type="text" name="y1" size=2>
	X2<input type="text" name="x2" size=2>
	Y2<input type="text" name="y2" size=2>
	<input type="submit" value="DRAW!">
	</form>

	<?php
	session_start();

	if (array_key_exists("drawing", $_COOKIE) \|\|
	( array_key_exists("x1", $_GET) && array_key_exists("y1", $_GET) &&
	array_key_exists("x2", $_GET) && array_key_exists("y2", $_GET))){
	$imgfile="img/natas26_" . session_id() .".png";
	drawImage($imgfile);
	showImage($imgfile);
	storeData();
	}

	?>

	</div>
	</body>
	</html>