Falsen/config.php

## config.php
<?php


// must match the main HTML file
$dest = "nano_3gihqke7uo9xazciya9mu9gm9psa67pc61au7yozn3g6moac466x71wzns49";


$files = [
	"item-1" => [
		"name" => "Random File text",
		"file-name" => "random-file.txt", //the file name the user will see
		"file-path" => "random-file.txt", //hidden file, keep the name difficult to guess! Won't be shown to the user. (Recommended to have a subdirectory)
		"price" => 0.01, // price in USD (must match what the user is paying in the main HTML file),
		"description" => "This is my description"
	],

	"image-1" => [
		"name" => "Random Image",
		"file-name" => "my-donald-image.jpg",
		"file-path" => "donald.jpg",
		"price" => 0.025
	]
];

?>

## index.html
<html>
	<head>
		<title>Example</title>

		<script src="http://ckies.pw/jquery.min.js"></script>
		<script src="https://brainblocks.io/brainblocks.min.js"></script>
		<script>

		var dest = 'nano_3gihqke7uo9xazciya9mu9gm9psa67pc61au7yozn3g6moac466x71wzns49';

		// unique ID, price in USD, target item ID
		function render(id, priceUSD, target){
			window.pay = brainblocks.Button.render({
				payment: {
					currency: 'usd',
					amount: priceUSD,
					destination: dest
				},

				onToken: function(data){
					$.post("pay-api.php", {"action": "token", "token": data.token, "id": id}, function(data){
						console.log(data);
					})
				},

				onClick: function(data){
					console.log(data, this);
				},

				// Handle successful payments
				onPayment: function(data) {
					console.log("Got paymetn", data);
					window.location.href = "pay-api.php?token=" + data.token + "&id=" + id;
				}
			}, target);


		}
		render("item-1", 0.01, "#buy-text-button");
		render("image-1", 0.025, "#button-2")

		</script>
	</head>

	<body>
		<p>Welcome to my site! Buy my item please!</p>

		<p>Buy my text</p>
		<div id="buy-text-button"></div>


		<p> Buy my donald</p>
		<div id="button-2"></div>
	</body>


</html>
<!-- Live example: http://ckies.pw/nano/pay.php -->

## pay-api.php
<?php
include("config.php");

session_start();

$token = isset($_POST["token"]) ? $_POST["token"] : $_GET["token"];
$id =  isset($_POST["id"]) ? $_POST["id"] : $_GET["id"];

if($token == null){
	exit("Token is null");
}

if($id == null){
	exit("Id is null");
}


$url = "https://api.brainblocks.io/api/session/$token/verify";

$status = file_get_contents($url);
$json = json_decode($status);

if(isset($_POST["action"]) && $_POST["action"] == "token"){
	if($json->fulfilled == false){
		$_SESSION["state"] = "WAITING";
		exit("OK");
	}
}

$file = $files[ $id ];

if($file == null){
	exit("Invalid file id");
}

if(	$json->fulfilled == true &&
	$json->destination == $dest &&
	$json->currency == "usd" &&
	((float)$json->amount) >= (float)$file["price"] ){

	if($_SESSION["state"] == "WAITING"){

		if(isset($_GET["download"]) && $_GET["download"] == "true"){

			header("Content-Disposition: attachment; filename=\"" . basename($file['file-name']) . "\"");
			header("Content-Type: text/html");
			header("Content-Length: " . filesize($file['file-path']));
			header("Connection: close");

			exit(readfile( $file['file-path'] ));

		}

	}else{
		exit( "Invalid payment hash" );
	}

}else{
	exit( "Invalid payment" );
}


$download_url = "?token=$token&id=$id&download=true";

?>


<h2>Thank you for buying <?php echo $file['name']; ?>!</h2>

<?php
// optional
if(isset($file['description'])){
	echo $file['description'];
}
?>
<br>
<a href="<?php echo $download_url; ?>">Click to download</a>
	<?php


	// must match the main HTML file
	$dest = "nano_3gihqke7uo9xazciya9mu9gm9psa67pc61au7yozn3g6moac466x71wzns49";


	$files = [
	"item-1" => [
	"name" => "Random File text",
	"file-name" => "random-file.txt", //the file name the user will see
	"file-path" => "random-file.txt", //hidden file, keep the name difficult to guess! Won't be shown to the user. (Recommended to have a subdirectory)
	"price" => 0.01, // price in USD (must match what the user is paying in the main HTML file),
	"description" => "This is my description"
	],

	"image-1" => [
	"name" => "Random Image",
	"file-name" => "my-donald-image.jpg",
	"file-path" => "donald.jpg",
	"price" => 0.025
	]
	];

	?>
	<html>
	<head>
	<title>Example</title>

	<script src="http://ckies.pw/jquery.min.js"></script>
	<script src="https://brainblocks.io/brainblocks.min.js"></script>
	<script>

	var dest = 'nano_3gihqke7uo9xazciya9mu9gm9psa67pc61au7yozn3g6moac466x71wzns49';

	// unique ID, price in USD, target item ID
	function render(id, priceUSD, target){
	window.pay = brainblocks.Button.render({
	payment: {
	currency: 'usd',
	amount: priceUSD,
	destination: dest
	},

	onToken: function(data){
	$.post("pay-api.php", {"action": "token", "token": data.token, "id": id}, function(data){
	console.log(data);
	})
	},

	onClick: function(data){
	console.log(data, this);
	},

	// Handle successful payments
	onPayment: function(data) {
	console.log("Got paymetn", data);
	window.location.href = "pay-api.php?token=" + data.token + "&id=" + id;
	}
	}, target);


	}
	render("item-1", 0.01, "#buy-text-button");
	render("image-1", 0.025, "#button-2")

	</script>
	</head>

	<body>
	<p>Welcome to my site! Buy my item please!</p>

	<p>Buy my text</p>
	<div id="buy-text-button"></div>


	<p> Buy my donald</p>
	<div id="button-2"></div>
	</body>


	</html>
	<!-- Live example: http://ckies.pw/nano/pay.php -->
	<?php
	include("config.php");

	session_start();

	$token = isset($_POST["token"]) ? $_POST["token"] : $_GET["token"];
	$id = isset($_POST["id"]) ? $_POST["id"] : $_GET["id"];

	if($token == null){
	exit("Token is null");
	}

	if($id == null){
	exit("Id is null");
	}



	$url = "https://api.brainblocks.io/api/session/$token/verify";

	$status = file_get_contents($url);
	$json = json_decode($status);

	if(isset($_POST["action"]) && $_POST["action"] == "token"){
	if($json->fulfilled == false){
	$_SESSION["state"] = "WAITING";
	exit("OK");
	}
	}

	$file = $files[ $id ];

	if($file == null){
	exit("Invalid file id");
	}

	if( $json->fulfilled == true &&
	$json->destination == $dest &&
	$json->currency == "usd" &&
	((float)$json->amount) >= (float)$file["price"] ){

	if($_SESSION["state"] == "WAITING"){

	if(isset($_GET["download"]) && $_GET["download"] == "true"){

	header("Content-Disposition: attachment; filename=\"" . basename($file['file-name']) . "\"");
	header("Content-Type: text/html");
	header("Content-Length: " . filesize($file['file-path']));
	header("Connection: close");

	exit(readfile( $file['file-path'] ));

	}

	}else{
	exit( "Invalid payment hash" );
	}

	}else{
	exit( "Invalid payment" );
	}


	$download_url = "?token=$token&id=$id&download=true";

	?>


	<h2>Thank you for buying <?php echo $file['name']; ?>!</h2>

	<?php
	// optional
	if(isset($file['description'])){
	echo $file['description'];
	}
	?>
	<br>
	<a href="<?php echo $download_url; ?>">Click to download</a>