| #!/usr/bin/env python3 |
| |
| import os |
| import sys |
| |
| referer = os.environ.get('HTTP_REFERER', '') |
| |
| sys.stdout.write( |
| 'Cache-Control: no-cache, private, max-age=0\r\n' |
| 'Content-Type: text/html\r\n\r\n' |
| '\n' |
| '<html>\n' |
| '\n' |
| '<script>\n' |
| ' window.name = parseInt(window.name) + 1;\n' |
| '</script>\n' |
| '\n' |
| 'Referrer: {}\n' |
| '<br/>\n' |
| 'window.name: <script>document.write(window.name)</script>\n' |
| '\n' |
| '<form name=loopback action="" method=GET></form>\n' |
| '\n' |
| '<script>\n' |
| ' if (window.name == 1) {{\n' |
| ' // Navigate once more (in a timeout) to add a history entry.\n' |
| ' setTimeout(function() {{document.loopback.submit();}}, 0);\n' |
| ' }} else if (window.name == 2) {{\n' |
| ' history.go(-1);\n' |
| ' }} else {{\n' |
| ' if (window.testRunner)\n' |
| ' window.testRunner.notifyDone();\n' |
| ' }}\n' |
| '</script>\n' |
| '\n' |
| '</html>\n'.format(referer) |
| ) |
