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Simple NANO implementation for paying for files
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| <?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 | |
| ] | |
| ]; | |
| ?> |
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| <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 --> |
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| <?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> |
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Awesome.