| from wptserve.utils import isomorphic_decode |
| from wptserve.utils import isomorphic_encode |
| from urllib.parse import unquote |
| |
| def unescape_query_value(query_value_bytes): |
| return isomorphic_encode(unquote(isomorphic_decode(query_value_bytes))) |
| |
| def main(request, response): |
| writable_header = request.headers.get( |
| b"Sec-Shared-Storage-Writable", |
| b"NO_SHARED_STORAGE_WRITABLE_HEADER") |
| response.headers.append(b"Content-Type", b"text/html") |
| response.headers.append(b"Access-Control-Allow-Origin", b"*") |
| response.headers.append(b"Supports-Loading-Mode", b"fenced-frame") |
| if writable_header == b"?1" and b'write' in request.GET: |
| write_header = unescape_query_value(request.GET[b'write']) |
| response.headers.append(b"Shared-Storage-Write", write_header) |
| response.content = b''' |
| <script> |
| let parentOrOpener = window.opener || window.parent; |
| parentOrOpener.postMessage({ sharedStorageWritableHeader: '%s'}, "*"); |
| </script> |
| ''' % (writable_header) |
