sg101: antispam/decorators.py annotate

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bgneal@472	1 """
bgneal@472	2 This module contains decorators for the antispam application.
bgneal@472	3
bgneal@472	4 """
bgneal@472	5 from functools import wraps
bgneal@690	6 import logging
bgneal@472	7
bgneal@472	8
bgneal@690	9 def log_auth_failures(auth_type):
bgneal@472	10
bgneal@472	11 def decorator(fn):
bgneal@690	12 logger = logging.getLogger('auth')
bgneal@472	13
bgneal@472	14 @wraps(fn)
bgneal@472	15 def wrapped(request, args, *kwargs):
bgneal@472	16
bgneal@472	17 response = fn(request, args, *kwargs)
bgneal@472	18
bgneal@472	19 if request.method == 'POST':
bgneal@505	20
bgneal@692	21 # Figure out if the view succeeded; success means a redirect is
bgneal@692	22 # about to occur.
bgneal@692	23 success = (response and response.has_header('location') and
bgneal@692	24 response.status_code == 302)
bgneal@505	25
bgneal@505	26 if not success:
bgneal@690	27 username = request.POST.get('username')
bgneal@690	28 username = username if username else '(None)'
bgneal@690	29 logger.error("%s failure from [%s] for %s",
bgneal@690	30 auth_type,
bgneal@690	31 request.META.get('REMOTE_ADDR', '?'),
bgneal@690	32 username)
bgneal@479	33
bgneal@472	34 return response
bgneal@472	35
bgneal@472	36 return wrapped
bgneal@472	37 return decorator

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