| import random, string, datetime, time |
| from wptserve.utils import isomorphic_decode, isomorphic_encode |
| |
| def id_token(): |
| letters = string.ascii_lowercase |
| return ''.join(random.choice(letters) for i in range(20)) |
| |
| def main(request, response): |
| is_revalidation = request.headers.get(b"If-None-Match", None) |
| token = request.GET.first(b"token", None) |
| is_query = request.GET.first(b"query", None) != None |
| with request.server.stash.lock: |
| value = request.server.stash.take(token) |
| count = 0 |
| if value != None: |
| count = int(value) |
| if is_query: |
| if count < 2: |
| request.server.stash.put(token, count) |
| else: |
| if is_revalidation is not None: |
| count = count + 1 |
| request.server.stash.put(token, count) |
| |
| if is_query: |
| headers = [(b"Count", isomorphic_encode(str(count))), (b"Test", isomorphic_encode(str(request.raw_headers)))] |
| content = "" |
| return 200, headers, content |
| else: |
| unique_id = id_token() |
| headers = [(b"Content-Type", b"text/html"), |
| (b"Cache-Control", b"private, max-age=0, stale-while-revalidate=60"), |
| (b"ETag", b'"swr"'), |
| (b"Unique-Id", isomorphic_encode(unique_id))] |
| content = "<body>{}</body>".format(unique_id) |
| return 200, headers, content |
