def authenticate(server_key,request_message):
lines=request_message.split("\n")
ticket=lines[0]
encrypted_message=lines[1]
#print(request_message)
session_key_and_ticket_expiration =decrypt_func(server_key,ticket)
session_key=session_key_and_ticket_expiration.split("\n")[0]
ticket_expiration=session_key_and_ticket_expiration.split("\n")[1]
if(datetime.strptime(ticket_expiration,"%Y-%m-%d %H:%M:%S.%f")>datetime.now()):
message=decrypt_func(session_key,encrypted_message)
return message
else:
return "Expired Ticket"
def handle(self):
#log_in_request form #####\nUserID
self.log_in_request = self.request.recv(1024)
#seperating the id from the encrypted message
self.encyripted_message, self.id = parse_message(self.log_in_request)
#finding the requests key from the database
self.key=find_key(self.id)
#print self.key
#Decrypting message
self.message= decrypt_func(self.key, self.encyripted_message)
#print self.message
serverinfo=self.message.split("\n")
print int(serverinfo[1])
print authentication_server.server_database
self.session_key=str(session_key)
#print self.session_key
self.server_encryption_key=find_server_key((serverinfo[0],int(serverinfo[1])),authentication_server.server_database)
#create ticket
self.ticket=prepare_ticket(self.server_encryption_key, self.session_key)
#Sending Token
self.token= prepare_token(self.ticket,session_key,(serverinfo[0],serverinfo[1]))
self.encryipted_token=encrypt_func(self.key,self.token)
self.request.send(self.encryipted_token)
