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Fix email regexp to be RFC-compliant
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@ -34,9 +34,50 @@ Simple utility modules.
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import re
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import socket
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emailRe = re.compile(r"^(\w&.+-]+!)*[\w&.+-]+@"
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r"(([0-9a-z]([0-9a-z-]*[0-9a-z])?\.)[a-z]{2,6}|"
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r"([0-9]{1,3}\.){3}[0-9]{1,3})$", re.I)
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class EmailRe:
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"""Fake class used for backward compatibility."""
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rfc822_specials = '()<>@,;:\\"[]'
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def match(self, addr):
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# From http://www.secureprogramming.com/?action=view&feature=recipes&recipeid=1
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# First we validate the name portion (name@domain)
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c = 0
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while c < len(addr):
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if addr[c] == '"' and (not c or addr[c - 1] == '.' or addr[c - 1] == '"'):
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c = c + 1
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while c < len(addr):
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if addr[c] == '"': break
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if addr[c] == '\\' and addr[c + 1] == ' ':
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c = c + 2
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continue
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if ord(addr[c]) < 32 or ord(addr[c]) >= 127: return 0
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c = c + 1
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else: return 0
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if addr[c] == '@': break
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if addr[c] != '.': return 0
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c = c + 1
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continue
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if addr[c] == '@': break
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if ord(addr[c]) <= 32 or ord(addr[c]) >= 127: return 0
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if addr[c] in self.rfc822_specials: return 0
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c = c + 1
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if not c or addr[c - 1] == '.': return 0
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# Next we validate the domain portion (name@domain)
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domain = c = c + 1
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if domain >= len(addr): return 0
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count = 0
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while c < len(addr):
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if addr[c] == '.':
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if c == domain or addr[c - 1] == '.': return 0
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count = count + 1
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if ord(addr[c]) <= 32 or ord(addr[c]) >= 127: return 0
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if addr[c] in self.rfc822_specials: return 0
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c = c + 1
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return count >= 1
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emailRe = EmailRe()
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def getSocket(host):
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"""Returns a socket of the correct AF_INET type (v4 or v6) in order to
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