servo/tests/wpt/web-platform-tests/fetch/http-cache/resources/http-cache.py

51 lines
2 KiB
Python

from json import JSONEncoder, JSONDecoder
from base64 import b64decode
def main(request, response):
uuid = request.GET.first("token", None)
if "querystate" in request.GET:
response.headers.set("Content-Type", "text/plain")
return JSONEncoder().encode(request.server.stash.take(uuid))
server_state = request.server.stash.take(uuid)
if not server_state:
server_state = []
requests = JSONDecoder().decode(b64decode(request.GET.first("info", "")))
config = requests[len(server_state)]
state = dict()
state["request_method"] = request.method
state["request_headers"] = dict([[h.lower(), request.headers[h]] for h in request.headers])
server_state.append(state)
request.server.stash.put(uuid, server_state)
note_headers = ['content-type', 'access-control-allow-origin', 'last-modified', 'etag']
noted_headers = {}
for header in config.get('response_headers', []):
if header[0].lower() in ["location", "content-location"]: # magic!
header[1] = "%s&target=%s" % (request.url, header[1])
response.headers.set(header[0], header[1])
if header[0].lower() in note_headers:
noted_headers[header[0].lower()] = header[1]
if "access-control-allow-origin" not in noted_headers:
response.headers.set("Access-Control-Allow-Origin", "*")
if "content-type" not in noted_headers:
response.headers.set("Content-Type", "text/plain")
response.headers.set("Server-Request-Count", len(server_state))
code, phrase = config.get("response_status", [200, "OK"])
if request.headers.get("If-Modified-Since", False) == noted_headers.get('last-modified', True):
code, phrase = [304, "Not Modified"]
if request.headers.get("If-None-Match", False) == noted_headers.get('etag', True):
code, phrase = [304, "Not Modified"]
response.status = (code, phrase)
content = config.get("response_body", uuid)
if code in [204, 304]:
return ""
else:
return content