42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
# Copyright (c) Twisted Matrix Laboratories.
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# See LICENSE for details.
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"""The Finger User Information Protocol (RFC 1288)"""
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from twisted.protocols import basic
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class Finger(basic.LineReceiver):
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def lineReceived(self, line):
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parts = line.split()
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if not parts:
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parts = ['']
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if len(parts) == 1:
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slash_w = 0
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else:
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slash_w = 1
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user = parts[-1]
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if '@' in user:
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host_place = user.rfind('@')
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user = user[:host_place]
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host = user[host_place+1:]
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return self.forwardQuery(slash_w, user, host)
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if user:
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return self.getUser(slash_w, user)
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else:
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return self.getDomain(slash_w)
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def _refuseMessage(self, message):
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self.transport.write(message+"\n")
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self.transport.loseConnection()
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def forwardQuery(self, slash_w, user, host):
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self._refuseMessage('Finger forwarding service denied')
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def getDomain(self, slash_w):
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self._refuseMessage('Finger online list denied')
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def getUser(self, slash_w, user):
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self.transport.write('Login: '+user+'\n')
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self._refuseMessage('No such user')
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