126 lines
4.7 KiB
Python
126 lines
4.7 KiB
Python
from geruecht.model.accessToken import AccessToken
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from geruecht.controller import LOGGER
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from datetime import datetime
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import time
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from threading import Thread
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import hashlib
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import logging
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from logging.handlers import WatchedFileHandler
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from geruecht import Singleton
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class AccesTokenController(Thread, metaclass=Singleton):
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""" Control all createt AccesToken
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This Class create, delete, find and manage AccesToken.
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Attributes:
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tokenList: List of currents AccessToken
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lifetime: Variable for the Lifetime of one AccessToken in seconds.
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"""
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instance = None
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tokenList = None
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lifetime = 60
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def __init__(self, arg):
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""" Initialize AccessTokenController
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Initialize Thread and set tokenList empty.
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"""
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LOGGER.info("Initialize AccessTokenController")
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LOGGER.debug("Build Logger for VerificationThread")
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FORMATTER = logging.Formatter("%(asctime)s — %(name)s — %(levelname)s — %(message)s")
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logFileHandler = WatchedFileHandler("Verification.log")
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logFileHandler.setFormatter(FORMATTER)
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self.LOGGER = logging.getLogger("VerificationThread")
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self.LOGGER.setLevel(logging.DEBUG)
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self.LOGGER.addHandler(logFileHandler)
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self.LOGGER.propagate = False
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LOGGER.debug("Initialize Threading")
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Thread.__init__(self)
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self.tokenList = []
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def findAccesToken(self, token):
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""" Find a Token in current AccessTokens
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Iterate throw all availables AccesTokens and retrieve one, if they are the same.
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Args:
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token: Token to find
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Returns:
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An AccessToken if found or None if not found.
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"""
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LOGGER.info("Search for Token: {}".format(token))
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LOGGER.debug("Iterate through List of current Tokens")
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for accToken in self.tokenList:
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LOGGER.debug("Check if AccessToken {} has Token {}".format(accToken, token))
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if accToken == token:
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LOGGER.info("Find AccessToken {} with Token {}".format(accToken, token))
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return accToken
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LOGGER.info("no AccesToken found with Token {}".format(token))
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return None
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def createAccesToken(self, user):
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""" Create an AccessToken
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Create an AccessToken for an User and add it to the tokenList.
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Args:
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user: For wich User is to create an AccessToken
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Returns:
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A created Token for User
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"""
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LOGGER.info("Create AccessToken")
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now = datetime.ctime(datetime.now())
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token = hashlib.md5((now + user.dn).encode('utf-8')).hexdigest()
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accToken = AccessToken(user, token)
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LOGGER.debug("Add AccessToken {} to current Tokens".format(accToken))
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self.tokenList.append(accToken)
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LOGGER.info("Finished create AccessToken {} with Token {}".format(accToken, token))
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return token
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def isSameGroup(self, accToken, group):
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""" Verify group in AccessToken
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Verify if the User in the AccesToken has the right group.
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Args:
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accToken: AccessToken to verify.
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group: Group to verify.
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Returns:
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A Bool. If the same then True else False
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"""
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print("controll if", accToken, "hase group", group)
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LOGGER.debug("Check if AccessToken {} has group {}".format(accToken, group))
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return True if group in accToken.user.group else False
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def run(self):
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""" Starting Controll-Thread
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Verify that the AccesToken are not out of date. If one AccessToken out of date it will be deletet from tokenList.
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"""
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valid_time=7200
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LOGGER.info("Start Thread for verification that the AccessToken are not out of date.")
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while True:
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self.LOGGER.debug("Name: {}".format(self.getName()))
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self.LOGGER.debug("Start to iterate through List of current Tokens")
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for accToken in self.tokenList:
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self.LOGGER.debug("Check if AccessToken {} is out of date".format(accToken))
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if (datetime.now() - accToken.timestamp).seconds > valid_time:
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print("delete", accToken)
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self.LOGGER.info("Delete AccessToken {} from List of current Tokens".format(accToken))
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self.tokenList.remove(accToken)
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else:
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self.LOGGER.debug("AccessToken {} is up to date. {} seconds left".format(accToken, valid_time - (datetime.now() - accToken.timestamp).seconds))
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self.LOGGER.debug("List of current Tokens: {}".format(self.tokenList))
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self.LOGGER.info("Wait 10 Seconds")
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time.sleep(10)
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