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Code Issues Projects Releases Packages Wiki Activity Actions 4

successful timeout and failure of sessions

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This commit is contained in:
Seth Schoen 2012-05-30 17:38:48 -07:00
parent 25c41b655e
commit ff1fd81679
1 changed files with 11 additions and 2 deletions
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13
webserver/chocolate.py
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@ -6,6 +6,8 @@ from Crypto import Random
from chocolate_protocol_pb2 import chocolatemessage
from google.protobuf.message import DecodeError
MaximumSessionAge = 100 # seconds, to demonstrate timeout
def hmac(k, m):
return HMAC.new(k, m, SHA256).hexdigest()
@ -30,11 +32,16 @@ class sessionstore(object):
raise KeyError
def kill(self, session):
self.f[session]["live"] = False
temp = self.f[session]
temp["live"] = False
self.f[session] = temp
def destroy(self, session):
del self.f[session]
def age(self, session):
return int(time.time()) - self.f[session]["created"]
class index:
def GET(self):
web.header("Content-type", "text/html")
@ -67,12 +74,14 @@ class index:
r.failure.cause = r.StaleRequest
elif not self.sessions.live(session):
r.failure.cause = r.StaleRequest
elif self.sessions.age(session) > MaximumSessionAge:
self.sessions.kill(session)
r.failure.cause = r.StaleRequest
if m.debug:
web.header("Content-type", "text/plain")
return "SAW MESSAGE: %s\n" % str(r)
else:
return r.SerializeToString()
if __name__ == "__main__":
app = web.application(urls, globals())