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def main(request, response):
def fail(message):
response.content = b"FAIL: " + message
response.status = 400
def getState(token):
server_state = request.server.stash.take(token)
if not server_state:
return b"Uninitialized"
return server_state
def setState(token, state):
request.server.stash.put(token, state)
def resetState(token):
setState(token, b"")
response.headers.set(b"Cache-Control", b"no-store")
response.headers.set(b"Access-Control-Allow-Origin", request.headers.get(b"origin"))
response.headers.set(b"Access-Control-Max-Age", 1)
token = request.GET.first(b"token", None)
state = getState(token)
command = request.GET.first(b"command", None)
if command == b"reset":
if request.method == u"GET":
resetState(token)
response.content = b"Server state reset"
else:
fail(b"Invalid Method.")
elif state == b"Uninitialized":
if request.method == u"OPTIONS":
response.content = b"This request should not be displayed."
setState(token, b"Denied")
else:
fail(state)
elif state == b"Denied":
if request.method == u"GET" and command == b"complete":
resetState(token)
response.content = b"Request successfully blocked."
else:
setState(token, b"Deny Ignored")
fail(b"The request was not denied.")
elif state == b"Deny Ignored":
resetState(token)
fail(state)
else:
resetState(token)
fail(b"Unknown Error.")