635 lines
25 KiB
Python
635 lines
25 KiB
Python
# -*- coding: utf-8 -*-
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"option types and option description"
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# Copyright (C) 2012-2013 Team tiramisu (see AUTHORS for all contributors)
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# The original `Config` design model is unproudly borrowed from
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# the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
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# the whole pypy projet is under MIT licence
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# ____________________________________________________________
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import re
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import sys
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from IPy import IP
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from types import FunctionType
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from ..setting import undefined
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from ..error import ConfigError
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from ..i18n import _
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from .baseoption import Option, validate_callback, display_list
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from ..autolib import carry_out_calculation
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class ChoiceOption(Option):
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"""represents a choice out of several objects.
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The option can also have the value ``None``
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"""
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__slots__ = tuple()
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_display_name = _('choice')
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def __init__(self, name, doc, values, default=None,
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values_params=None, default_multi=None, requires=None,
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multi=False, callback=None, callback_params=None,
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validator=None, validator_params=None,
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properties=None, warnings_only=False):
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"""
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:param values: is a list of values the option can possibly take
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"""
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if isinstance(values, FunctionType):
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validate_callback(values, values_params, 'values')
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else:
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if values_params is not None:
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raise ValueError(_('values is not a function, so values_params must be None'))
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if not isinstance(values, tuple): # pragma: optional cover
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raise TypeError(_('values must be a tuple or a function for {0}'
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).format(name))
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session = self.getsession()
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self.impl_set_choice_values_params(values, values_params, session)
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super(ChoiceOption, self).__init__(name, doc, default=default,
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default_multi=default_multi,
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callback=callback,
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callback_params=callback_params,
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requires=requires,
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multi=multi,
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validator=validator,
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validator_params=validator_params,
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properties=properties,
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warnings_only=warnings_only,
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session=session)
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self.commit(session)
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def impl_get_values(self, context, current_opt=undefined):
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if current_opt is undefined:
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current_opt = self
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params = undefined
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#FIXME cache? but in context...
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values = self._choice_values
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if isinstance(values, FunctionType):
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if context is None:
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values = []
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else:
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if params is not undefined:
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values_params = params
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else:
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values_params = self.impl_get_choice_values_params()
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values = carry_out_calculation(current_opt, context=context,
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callback=values,
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callback_params=values_params)
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if isinstance(values, Exception):
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return values
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if values is not undefined and not isinstance(values, list): # pragma: optional cover
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raise ConfigError(_('calculated values for {0} is not a list'
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'').format(self.impl_getname()))
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return values
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def _validate(self, value, context=undefined, current_opt=undefined):
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values = self.impl_get_values(context, current_opt=current_opt)
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if isinstance(values, Exception):
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return values
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if values is not undefined and not value in values: # pragma: optional cover
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if len(values) == 1:
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return ValueError(_('only {0} is allowed'
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'').format(values[0]))
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else:
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return ValueError(_('only {0} are allowed'
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'').format(display_list(values)))
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class BoolOption(Option):
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"represents a choice between ``True`` and ``False``"
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__slots__ = tuple()
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_display_name = _('boolean')
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def _validate(self, value, context=undefined, current_opt=undefined):
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if not isinstance(value, bool):
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return ValueError() # pragma: optional cover
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class IntOption(Option):
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"represents a choice of an integer"
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__slots__ = tuple()
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_display_name = _('integer')
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def _validate(self, value, context=undefined, current_opt=undefined):
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if not isinstance(value, int):
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return ValueError() # pragma: optional cover
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class FloatOption(Option):
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"represents a choice of a floating point number"
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__slots__ = tuple()
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_display_name = _('float')
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def _validate(self, value, context=undefined, current_opt=undefined):
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if not isinstance(value, float):
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return ValueError() # pragma: optional cover
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class StrOption(Option):
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"represents the choice of a string"
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__slots__ = tuple()
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_display_name = _('string')
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def _validate(self, value, context=undefined, current_opt=undefined):
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if not isinstance(value, str):
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return ValueError() # pragma: optional cover
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if sys.version_info[0] >= 3: # pragma: optional cover
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#UnicodeOption is same as StrOption in python 3+
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class UnicodeOption(StrOption):
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__slots__ = tuple()
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pass
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else:
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class UnicodeOption(Option):
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"represents the choice of a unicode string"
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__slots__ = tuple()
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_empty = u''
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_display_name = _('unicode string')
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def _validate(self, value, context=undefined, current_opt=undefined):
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if not isinstance(value, unicode):
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return ValueError() # pragma: optional cover
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class PasswordOption(Option):
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"represents the choice of a password"
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__slots__ = tuple()
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_display_name = _('password')
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def _validate(self, value, context=undefined, current_opt=undefined):
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err = self._impl_valid_unicode(value)
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if err:
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return err
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class IPOption(Option):
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"represents the choice of an ip"
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__slots__ = tuple()
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_display_name = _('IP')
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def __init__(self, name, doc, default=None, default_multi=None,
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requires=None, multi=False, callback=None,
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callback_params=None, validator=None, validator_params=None,
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properties=None, private_only=False, allow_reserved=False,
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warnings_only=False):
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extra = {'_private_only': private_only,
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'_allow_reserved': allow_reserved}
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super(IPOption, self).__init__(name, doc, default=default,
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default_multi=default_multi,
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callback=callback,
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callback_params=callback_params,
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requires=requires,
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multi=multi,
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validator=validator,
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validator_params=validator_params,
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properties=properties,
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warnings_only=warnings_only,
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extra=extra)
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def _validate(self, value, context=undefined, current_opt=undefined):
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# sometimes an ip term starts with a zero
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# but this does not fit in some case, for example bind does not like it
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err = self._impl_valid_unicode(value)
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if err:
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return err
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if value.count('.') != 3:
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return ValueError()
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for val in value.split('.'):
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if val.startswith("0") and len(val) > 1:
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return ValueError() # pragma: optional cover
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# 'standard' validation
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try:
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IP('{0}/32'.format(value))
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except ValueError: # pragma: optional cover
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return ValueError()
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def _second_level_validation(self, value, warnings_only):
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ip = IP('{0}/32'.format(value))
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if not self._get_extra('_allow_reserved') and ip.iptype() == 'RESERVED': # pragma: optional cover
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if warnings_only:
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msg = _("shouldn't in reserved class")
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else:
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msg = _("mustn't be in reserved class")
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return ValueError(msg)
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if self._get_extra('_private_only') and not ip.iptype() == 'PRIVATE': # pragma: optional cover
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if warnings_only:
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msg = _("should be in private class")
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else:
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msg = _("must be in private class")
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return ValueError(msg)
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def _cons_in_network(self, current_opt, opts, vals, warnings_only):
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if len(vals) != 3:
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raise ConfigError(_('invalid len for vals')) # pragma: optional cover
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if None in vals:
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return
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ip, network, netmask = vals
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if IP(ip) not in IP('{0}/{1}'.format(network, netmask)): # pragma: optional cover
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if warnings_only:
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msg = _('should be in network {0}/{1} ({2}/{3})')
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else:
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msg = _('must be in network {0}/{1} ({2}/{3})')
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return ValueError(msg.format(network, netmask,
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opts[1].impl_getname(), opts[2].impl_getname()))
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# test if ip is not network/broadcast IP
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return opts[2]._cons_ip_netmask(current_opt, (opts[2], opts[0]), (netmask, ip), warnings_only)
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class PortOption(Option):
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"""represents the choice of a port
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The port numbers are divided into three ranges:
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the well-known ports,
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the registered ports,
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and the dynamic or private ports.
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You can actived this three range.
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Port number 0 is reserved and can't be used.
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see: http://en.wikipedia.org/wiki/Port_numbers
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"""
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__slots__ = tuple()
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port_re = re.compile(r"^[0-9]*$")
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_display_name = _('port')
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def __init__(self, name, doc, default=None, default_multi=None,
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requires=None, multi=False, callback=None,
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callback_params=None, validator=None, validator_params=None,
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properties=None, allow_range=False, allow_zero=False,
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allow_wellknown=True, allow_registred=True,
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allow_private=False, warnings_only=False):
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extra = {'_allow_range': allow_range,
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'_min_value': None,
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'_max_value': None}
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ports_min = [0, 1, 1024, 49152]
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ports_max = [0, 1023, 49151, 65535]
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is_finally = False
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for index, allowed in enumerate([allow_zero,
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allow_wellknown,
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allow_registred,
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allow_private]):
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if extra['_min_value'] is None:
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if allowed:
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extra['_min_value'] = ports_min[index]
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elif not allowed:
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is_finally = True
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elif allowed and is_finally:
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raise ValueError(_('inconsistency in allowed range')) # pragma: optional cover
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if allowed:
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extra['_max_value'] = ports_max[index]
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if extra['_max_value'] is None:
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raise ValueError(_('max value is empty')) # pragma: optional cover
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super(PortOption, self).__init__(name, doc, default=default,
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default_multi=default_multi,
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callback=callback,
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callback_params=callback_params,
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requires=requires,
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multi=multi,
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validator=validator,
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validator_params=validator_params,
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properties=properties,
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warnings_only=warnings_only,
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extra=extra)
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def _validate(self, value, context=undefined, current_opt=undefined):
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if isinstance(value, int):
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if sys.version_info[0] >= 3: # pragma: optional cover
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value = str(value)
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else:
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value = unicode(value)
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err = self._impl_valid_unicode(value)
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if err:
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return err
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if self._get_extra('_allow_range') and ":" in str(value): # pragma: optional cover
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value = str(value).split(':')
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if len(value) != 2:
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return ValueError(_('range must have two values only'))
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if not value[0] < value[1]:
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return ValueError(_('first port in range must be'
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' smaller than the second one'))
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else:
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value = [value]
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for val in value:
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if not self.port_re.search(val):
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return ValueError()
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val = int(val)
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if not self._get_extra('_min_value') <= val <= self._get_extra('_max_value'): # pragma: optional cover
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return ValueError(_('must be an integer between {0} '
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'and {1}').format(self._get_extra('_min_value'),
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self._get_extra('_max_value')))
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class NetworkOption(Option):
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"represents the choice of a network"
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__slots__ = tuple()
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_display_name = _('network address')
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def _validate(self, value, context=undefined, current_opt=undefined):
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err = self._impl_valid_unicode(value)
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if err:
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return err
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if value.count('.') != 3:
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return ValueError()
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for val in value.split('.'):
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if val.startswith("0") and len(val) > 1:
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return ValueError()
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try:
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IP(value)
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except ValueError: # pragma: optional cover
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return ValueError()
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def _second_level_validation(self, value, warnings_only):
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ip = IP(value)
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if ip.iptype() == 'RESERVED': # pragma: optional cover
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if warnings_only:
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msg = _("shouldn't be in reserved class")
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else:
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msg = _("mustn't be in reserved class")
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return ValueError(msg)
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class NetmaskOption(Option):
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"represents the choice of a netmask"
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__slots__ = tuple()
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_display_name = _('netmask address')
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def _validate(self, value, context=undefined, current_opt=undefined):
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err = self._impl_valid_unicode(value)
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if err:
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return err
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if value.count('.') != 3:
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return ValueError()
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for val in value.split('.'):
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if val.startswith("0") and len(val) > 1:
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return ValueError()
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try:
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IP('0.0.0.0/{0}'.format(value))
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except ValueError: # pragma: optional cover
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return ValueError()
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def _cons_network_netmask(self, current_opt, opts, vals, warnings_only):
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#opts must be (netmask, network) options
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if None in vals:
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return
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return self.__cons_netmask(opts, vals[0], vals[1], False, warnings_only)
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def _cons_ip_netmask(self, current_opt, opts, vals, warnings_only):
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#opts must be (netmask, ip) options
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if None in vals:
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return
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return self.__cons_netmask(opts, vals[0], vals[1], True, warnings_only)
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def __cons_netmask(self, opts, val_netmask, val_ipnetwork, make_net,
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warnings_only):
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if len(opts) != 2:
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return ConfigError(_('invalid len for opts')) # pragma: optional cover
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msg = None
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try:
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ip = IP('{0}/{1}'.format(val_ipnetwork, val_netmask),
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make_net=make_net)
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#if cidr == 32, ip same has network
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if make_net and ip.prefixlen() != 32:
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val_ip = IP(val_ipnetwork)
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if ip.net() == val_ip:
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msg = _("this is a network with netmask {0} ({1})")
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if ip.broadcast() == val_ip:
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msg = _("this is a broadcast with netmask {0} ({1})")
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except ValueError: # pragma: optional cover
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if not make_net:
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msg = _('with netmask {0} ({1})')
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if msg is not None: # pragma: optional cover
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return ValueError(msg.format(val_netmask, opts[1].impl_getname()))
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class BroadcastOption(Option):
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__slots__ = tuple()
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_display_name = _('broadcast address')
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def _validate(self, value, context=undefined, current_opt=undefined):
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err = self._impl_valid_unicode(value)
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if err:
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return err
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try:
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IP('{0}/32'.format(value))
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except ValueError: # pragma: optional cover
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return ValueError()
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def _cons_broadcast(self, current_opt, opts, vals, warnings_only):
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if len(vals) != 3:
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raise ConfigError(_('invalid len for vals')) # pragma: optional cover
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if None in vals:
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return
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broadcast, network, netmask = vals
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if IP('{0}/{1}'.format(network, netmask)).broadcast() != IP(broadcast):
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return ValueError(_('with network {0}/{1} ({2}/{3})').format(
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network, netmask, opts[1].impl_getname(), opts[2].impl_getname())) # pragma: optional cover
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class DomainnameOption(Option):
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"""represents the choice of a domain name
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netbios: for MS domain
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hostname: to identify the device
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domainname:
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fqdn: with tld, not supported yet
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"""
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__slots__ = tuple()
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_display_name = _('domain name')
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def __init__(self, name, doc, default=None, default_multi=None,
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requires=None, multi=False, callback=None,
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callback_params=None, validator=None, validator_params=None,
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properties=None, allow_ip=False, type_='domainname',
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warnings_only=False, allow_without_dot=False):
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if type_ not in ['netbios', 'hostname', 'domainname']:
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raise ValueError(_('unknown type_ {0} for hostname').format(type_)) # pragma: optional cover
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extra = {'_dom_type': type_}
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if allow_ip not in [True, False]:
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raise ValueError(_('allow_ip must be a boolean')) # pragma: optional cover
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if allow_without_dot not in [True, False]:
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raise ValueError(_('allow_without_dot must be a boolean')) # pragma: optional cover
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extra['_allow_ip'] = allow_ip
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extra['_allow_without_dot'] = allow_without_dot
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extra['_domain_re'] = re.compile(r'^[a-z\d][a-z\d\-]*$')
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extra['_has_upper'] = re.compile('[A-Z]')
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super(DomainnameOption, self).__init__(name, doc, default=default,
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default_multi=default_multi,
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callback=callback,
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callback_params=callback_params,
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requires=requires,
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multi=multi,
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validator=validator,
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validator_params=validator_params,
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properties=properties,
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warnings_only=warnings_only,
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extra=extra)
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def _validate(self, value, context=undefined, current_opt=undefined):
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err = self._impl_valid_unicode(value)
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if err:
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return err
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def _valid_length(val):
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if len(val) < 1:
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return ValueError(_("invalid length (min 1)"))
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if len(val) > part_name_length:
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return ValueError(_("invalid length (max {0})"
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"").format(part_name_length))
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if self._get_extra('_allow_ip') is True: # pragma: optional cover
|
|
try:
|
|
IP('{0}/32'.format(value))
|
|
return
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
try:
|
|
IP('{0}/32'.format(value))
|
|
except ValueError:
|
|
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
|
|
if self._get_extra('_dom_type') == 'domainname':
|
|
if not self._get_extra('_allow_without_dot') and not "." in value:
|
|
return ValueError(_("must have dot"))
|
|
if len(value) > 255:
|
|
return ValueError(_("invalid length (max 255)"))
|
|
for dom in value.split('.'):
|
|
err = _valid_length(dom)
|
|
if err:
|
|
return err
|
|
else:
|
|
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)
|
|
|
|
|
|
class URLOption(DomainnameOption):
|
|
__slots__ = tuple()
|
|
proto_re = re.compile(r'(http|https)://')
|
|
path_re = re.compile(r"^[A-Za-z0-9\-\._~:/\?#\[\]@!%\$&\'\(\)\*\+,;=]+$")
|
|
_display_name = _('URL')
|
|
|
|
def _validate(self, value, context=undefined, current_opt=undefined):
|
|
err = self._impl_valid_unicode(value)
|
|
if err:
|
|
return err
|
|
match = self.proto_re.search(value)
|
|
if not match: # pragma: optional cover
|
|
return ValueError(_('must start with http:// or '
|
|
'https://'))
|
|
value = value[len(match.group(0)):]
|
|
# get domain/files
|
|
splitted = value.split('/', 1)
|
|
if len(splitted) == 1:
|
|
domain = value
|
|
files = None
|
|
else:
|
|
domain, files = splitted
|
|
# if port in domain
|
|
splitted = domain.split(':', 1)
|
|
if len(splitted) == 1:
|
|
domain = splitted[0]
|
|
port = 0
|
|
else:
|
|
domain, port = splitted
|
|
if not 0 <= int(port) <= 65535:
|
|
return ValueError(_('port must be an between 0 and '
|
|
'65536')) # pragma: optional cover
|
|
# validate domainname
|
|
err = super(URLOption, self)._validate(domain)
|
|
if err:
|
|
return err
|
|
err = super(URLOption, self)._second_level_validation(domain, False)
|
|
if err:
|
|
return err
|
|
# validate file
|
|
if files is not None and files != '' and not self.path_re.search(files):
|
|
return ValueError(_('must ends with a valid resource name')) # pragma: optional cover
|
|
|
|
def _second_level_validation(self, value, warnings_only):
|
|
pass
|
|
|
|
|
|
class _RegexpOption(Option):
|
|
__slots__ = tuple()
|
|
def _validate(self, value, context=undefined, current_opt=undefined):
|
|
err = self._impl_valid_unicode(value)
|
|
if err:
|
|
return err
|
|
match = self._regexp.search(value)
|
|
if not match:
|
|
return ValueError()
|
|
|
|
|
|
class EmailOption(_RegexpOption):
|
|
__slots__ = tuple()
|
|
#https://www.w3.org/TR/html-markup/input.email.html#input.email.attrs.value.single.
|
|
_regexp = re.compile(r"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$")
|
|
_display_name = _('email address')
|
|
|
|
|
|
class UsernameOption(_RegexpOption):
|
|
__slots__ = tuple()
|
|
#regexp build with 'man 8 adduser' informations
|
|
_regexp = re.compile(r"^[a-z_][a-z0-9_-]{0,30}[$a-z0-9_-]{0,1}$")
|
|
_display_name = _('username')
|
|
|
|
|
|
class FilenameOption(_RegexpOption):
|
|
__slots__ = tuple()
|
|
_regexp = re.compile(r"^[a-zA-Z0-9\-\._~/+]+$")
|
|
_display_name = _('file name')
|
|
|
|
|
|
class DateOption(Option):
|
|
__slots__ = tuple()
|
|
_display_name = _('date')
|
|
|
|
def _validate(self, value, context=undefined, current_opt=undefined):
|
|
err = self._impl_valid_unicode(value)
|
|
if err:
|
|
return err
|
|
try:
|
|
datetime.datetime.strptime(value,"%Y-%m-%d")
|
|
except ValueError, err:
|
|
return ValueError()
|