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adf27aae4c
This library was absolutely essential as part of our Python 2->3
migration process, but all of its calls should be either no-ops or
encode/decode operations.
Note also that the library has been wrong since the incorrect
refactoring in 1f9244e060.
Fixes #10807.
24 lines
897 B
Python
24 lines
897 B
Python
import re
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import traceback
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import DNS
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def compute_mit_user_fullname(email: str) -> str:
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try:
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# Input is either e.g. username@mit.edu or user|CROSSREALM.INVALID@mit.edu
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match_user = re.match(r'^([a-zA-Z0-9_.-]+)(\|.+)?@mit\.edu$', email.lower())
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if match_user and match_user.group(2) is None:
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answer = DNS.dnslookup(
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"%s.passwd.ns.athena.mit.edu" % (match_user.group(1),),
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DNS.Type.TXT)
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hesiod_name = answer[0][0].split(':')[4].split(',')[0].strip()
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if hesiod_name != "":
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return hesiod_name
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elif match_user:
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return match_user.group(1).lower() + "@" + match_user.group(2).upper()[1:]
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except DNS.Base.ServerError:
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pass
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except Exception:
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print("Error getting fullname for %s:" % (email,))
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traceback.print_exc()
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return email.lower()
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