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52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
"""
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peeringdb model / field validators
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"""
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import ipaddress
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from django.conf import settings
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from django.core.exceptions import ValidationError
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from django.utils.translation import ugettext_lazy as _
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from peeringdb_server.inet import network_is_pdb_valid
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def validate_address_space(prefix):
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"""
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validate an ipaddress according to peeringdb specs
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Arguments:
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- prefix: ipaddress.IPv4Network or an ipaddress.IPv6Network
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Raises:
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- ValidationError on failed validation
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"""
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if isinstance(prefix, unicode):
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try:
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prefix = ipaddress.ip_network(prefix)
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except ValueError as exc:
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raise ValidationError(_("Invalid prefix: {}").format(prefix))
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if not network_is_pdb_valid(prefix):
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raise ValidationError(_("Address space invalid: {}").format(prefix))
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def validate_info_prefixes4(value):
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if value > settings.DATA_QUALITY_MAX_PREFIX_V4_LIMIT:
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raise ValidationError(
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_("Maximum value allowed {}").format(
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settings.DATA_QUALITY_MAX_PREFIX_V4_LIMIT))
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if value < 0:
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raise ValidationError(_("Negative value not allowed"))
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def validate_info_prefixes6(value):
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if value > settings.DATA_QUALITY_MAX_PREFIX_V6_LIMIT:
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raise ValidationError(
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_("Maximum value allowed {}").format(
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settings.DATA_QUALITY_MAX_PREFIX_V6_LIMIT))
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if value < 0:
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raise ValidationError(_("Negative value not allowed"))
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