| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <script type="text/javascript"> | |
| window.addEventListener("message", (evt) => { | |
| const url = evt.data; | |
| const xhr = new XMLHttpRequest; | |
| xhr.open("GET", url, false); | |
| try { | |
| xhr.send(); | |
| } catch(e) { | |
| parent.postMessage("Exception thrown. Sandboxed iframe XHR access was denied in 'send'.", "*"); | |
| return; | |
| } | |
| parent.postMessage(xhr.responseText, "*"); | |
| }, false); | |
| parent.postMessage("ready", "*"); | |
| </script> | |
| </body> | |
| </html> |