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github-python-corpus

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>>> q = query('0.0.0.0','','')
>>> p = q.parse_header_spf('''Pass (test) client-ip=70.98.79.77;
... envelope-from="evelyn@subjectsthum.com"; helo=mail.subjectsthum.com;
... receiver=mail.bmsi.com; mechanism=a; identity=mailfrom''')
>>> q.get_header(q.result)
'Pass (test) client-ip=70.98.79.77; envelope-from="evelyn@subjectsthum.com"; helo=mail.subjectsthum.com; receiver=mail.bmsi.com; mechanism=a; identity=mailfrom'
>>> o = q.parse_header_spf('''None (mail.bmsi.com: test)
... client-ip=163.247.46.150; envelope-from="admin@squiebras.cl";
... helo=mail.squiebras.cl; receiver=mail.bmsi.com; mechanism=mx/24;
... x-bestguess=pass; x-helo-spf=neutral; identity=mailfrom''')
>>> q.get_header(q.result,**o)
'None (mail.bmsi.com: test) client-ip=163.247.46.150; envelope-from="admin@squiebras.cl"; helo=mail.squiebras.cl; receiver=mail.bmsi.com; mechanism=mx/24; x-bestguess=pass; x-helo-spf=neutral; identity=mailfrom'
>>> o['bestguess']
'pass'
"""
a = val.split(None,1)
self.result = a[0].lower()
self.mechanism = None
if len(a) < 2: return 'none'
val = a[1]
if val.startswith('('):
pos = val.find(')')
if pos < 0: return self.result
self.comment = val[1:pos]
val = val[pos+1:]
msg = Message()
msg.add_header('Received-SPF','; '+val)
p = {}
for k,v in msg.get_params(header='Received-SPF'):
if k == 'client-ip':
self.set_ip(v)
elif k == 'envelope-from': self.s = v
elif k == 'helo': self.h = v
elif k == 'receiver': self.r = v
elif k == 'problem': self.mech = v
elif k == 'mechanism': self.mechanism = v
elif k == 'identity': self.ident = v
elif k.startswith('x-'): p[k[2:]] = v
self.l, self.o = split_email(self.s, self.h)
return p
def parse_header(self, val):
"""Set SPF values from Received-SPF or RFC 5451 Authentication Results header.
Useful when SPF has already been run on a trusted gateway machine. Auto
detects the header type and parses it. Use parse_header_spf or parse_header_ar
for each type if required.
Examples:
>>> q = query('0.0.0.0','','')
>>> p = q.parse_header('''Pass (test) client-ip=70.98.79.77;
... envelope-from="evelyn@subjectsthum.com"; helo=mail.subjectsthum.com;
... receiver=mail.bmsi.com; mechanism=a; identity=mailfrom''')
>>> q.get_header(q.result)
'Pass (test) client-ip=70.98.79.77; envelope-from="evelyn@subjectsthum.com"; helo=mail.subjectsthum.com; receiver=mail.bmsi.com; mechanism=a; identity=mailfrom'
>>> r = q.parse_header('''None (mail.bmsi.com: test)
... client-ip=163.247.46.150; envelope-from="admin@squiebras.cl";
... helo=mail.squiebras.cl; receiver=mail.bmsi.com; mechanism=mx/24;
... x-bestguess=pass; x-helo-spf=neutral; identity=mailfrom''')
>>> q.get_header(q.result,**r)
'None (mail.bmsi.com: test) client-ip=163.247.46.150; envelope-from="admin@squiebras.cl"; helo=mail.squiebras.cl; receiver=mail.bmsi.com; mechanism=mx/24; x-bestguess=pass; x-helo-spf=neutral; identity=mailfrom'
>>> r['bestguess']
'pass'
>>> q = query('192.0.2.3','strong-bad@email.example.com','mx.example.org')
>>> q.mechanism = 'unknown'
>>> p = q.parse_header_ar('''Authentication-Results: bmsi.com; spf=neutral \\n (abuse@kitterman.com: 192.0.2.3 is neither permitted nor denied by domain of email.example.com) \\n smtp.mailfrom=email.example.com \\n (sender=strong-bad@email.example.com; helo=mx.example.org; client-ip=192.0.2.3; receiver=abuse@kitterman.com; mechanism=?all)''')
>>> q.get_header(q.result, header_type='authres', aid='bmsi.com')
'Authentication-Results: bmsi.com; spf=neutral (unknown: 192.0.2.3 is neither permitted nor denied by domain of email.example.com) smtp.mailfrom=email.example.com (sender=email.example.com; helo=mx.example.org; client-ip=192.0.2.3; receiver=unknown; mechanism=unknown)'
>>> p = q.parse_header_ar('''Authentication-Results: bmsi.com; spf=None (mail.bmsi.com: test; client-ip=163.247.46.150) smtp.mailfrom=admin@squiebras.cl (helo=mail.squiebras.cl; receiver=mail.bmsi.com; mechanism=mx/24)''')
>>> q.get_header(q.result, header_type='authres', aid='bmsi.com')
'Authentication-Results: bmsi.com; spf=none (unknown: 192.0.2.3 is neither permitted nor denied by domain of email.example.com) smtp.mailfrom=admin@squiebras.cl (sender=admin@squiebras.cl; helo=mx.example.org; client-ip=192.0.2.3; receiver=unknown; mechanism=unknown)'
"""
if val.startswith('Authentication-Results:'):
return(self.parse_header_ar(val))
else:
return(self.parse_header_spf(val))
def get_header(self, res, receiver=None, header_type='spf', aid=None, **kv):
"""
Generate Received-SPF or Authentication Results header based on the
last lookup.
>>> q = query(s='strong-bad@email.example.com', h='mx.example.org',
... i='192.0.2.3')
>>> q.r='abuse@kitterman.com'
>>> q.check(spf='v=spf1 ?all')
('neutral', 250, 'access neither permitted nor denied')
>>> q.get_header('neutral')
'Neutral (abuse@kitterman.com: 192.0.2.3 is neither permitted nor denied by domain of email.example.com) client-ip=192.0.2.3; envelope-from="strong-bad@email.example.com"; helo=mx.example.org; receiver=abuse@kitterman.com; mechanism=?all; identity=mailfrom'
>>> q.check(spf='v=spf1 redirect=controlledmail.com exp=_exp.controlledmail.com')
('fail', 550, 'SPF fail - not authorized')
>>> q.get_header('fail')
'Fail (abuse@kitterman.com: domain of email.example.com does not designate 192.0.2.3 as permitted sender) client-ip=192.0.2.3; envelope-from="strong-bad@email.example.com"; helo=mx.example.org; receiver=abuse@kitterman.com; mechanism=-all; identity=mailfrom'
>>> q.check(spf='v=spf1 ip4:192.0.0.0/8 ?all moo')
('permerror', 550, 'SPF Permanent Error: Unknown mechanism found: moo')
>>> q.get_header('permerror')
'PermError (abuse@kitterman.com: permanent error in processing domain of email.example.com: Unknown mechanism found) client-ip=192.0.2.3; envelope-from="strong-bad@email.example.com"; helo=mx.example.org; receiver=abuse@kitterman.com; problem=moo; identity=mailfrom'