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make a regexp to valid domain

This commit is contained in:
Emmanuel Garette 2017-03-13 17:32:38 +01:00
parent 7977efe246
commit 6bf7e309c6
1 changed files with 29 additions and 25 deletions
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54
tiramisu/option/option.py
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@ -465,7 +465,21 @@ class DomainnameOption(Option):
raise ValueError(_('allow_without_dot must be a boolean'))
extra['_allow_ip'] = allow_ip
extra['_allow_without_dot'] = allow_without_dot
extra['_domain_re'] = re.compile(r'^[a-z\d][a-z\d\-]*$')
# FIXME should be
# regexp = r'^((?!-)[a-z0-9-]{1,63}(?<!-)\.{0,1})$'
if type_ == 'domainname':
if allow_without_dot:
min_time = 0
else:
min_time = 1
regexp = r'((?!-)[a-z0-9-]{{{1},{0}}}\.){{{1},}}[a-z0-9-]{{1,{0}}}'.format(self._get_len(type_), min_time)
else:
regexp = r'((?!-)[a-z0-9-]{{1,{0}}})'.format(self._get_len(type_))
if allow_ip:
regexp = r'^(?:{0}|(?:(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){{3}}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)))$'.format(regexp)
else:
regexp = r'^{0}$'.format(regexp)
extra['_domain_re'] = re.compile(regexp)
extra['_has_upper'] = re.compile('[A-Z]')
super(DomainnameOption, self).__init__(name, doc, default=default,
@ -480,6 +494,12 @@ class DomainnameOption(Option):
warnings_only=warnings_only,
extra=extra)
def _get_len(self, type_):
if type_ == 'netbios':
return 15
else:
return 63
def _validate(self, value, context=undefined, current_opt=undefined):
err = self._impl_valid_unicode(value)
if err:
@ -505,10 +525,7 @@ class DomainnameOption(Option):
pass
else:
raise ValueError(_('must not be an IP'))
if self._get_extra('_dom_type') == 'netbios':
part_name_length = 15
else:
part_name_length = 63
part_name_length = self._get_len(self._get_extra('_dom_type'))
if self._get_extra('_dom_type') == 'domainname':
if not self._get_extra('_allow_without_dot') and not "." in value:
return ValueError(_("must have dot"))
@ -522,26 +539,13 @@ class DomainnameOption(Option):
return _valid_length(value)
def _second_level_validation(self, value, warnings_only):
def _valid_char(val):
if self._get_extra('_has_upper').search(val):
return ValueError(_('some characters are uppercase'))
if not self._get_extra('_domain_re').search(val):
if warnings_only:
return ValueError(_('some characters may cause problems'))
else:
return ValueError()
#not for IP
if self._get_extra('_allow_ip') is True:
try:
IP('{0}/32'.format(value))
return
except ValueError:
pass
if self._get_extra('_dom_type') == 'domainname':
for dom in value.split('.'):
return _valid_char(dom)
else:
return _valid_char(value)
if self._get_extra('_has_upper').search(value):
return ValueError(_('some characters are uppercase'))
if not self._get_extra('_domain_re').search(value):
if warnings_only:
return ValueError(_('some characters may cause problems'))
else:
return ValueError()
class URLOption(DomainnameOption):