61 lines
2.0 KiB
Python
61 lines
2.0 KiB
Python
# Copyright 2012 Nebula, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import re
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from django.core.exceptions import ValidationError # noqa
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from django.core import validators # noqa
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from django.utils.translation import ugettext_lazy as _
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from horizon import conf
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def validate_port_range(port):
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if port not in range(-1, 65536):
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raise ValidationError(_("Not a valid port number"))
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def validate_ip_protocol(ip_proto):
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if ip_proto not in range(-1, 256):
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raise ValidationError(_("Not a valid IP protocol number"))
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def password_validator():
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return conf.HORIZON_CONFIG["password_validator"]["regex"]
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def password_validator_msg():
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return conf.HORIZON_CONFIG["password_validator"]["help_text"]
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def validate_port_or_colon_separated_port_range(port_range):
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"""Accepts a port number or a single-colon separated range."""
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if port_range.count(':') > 1:
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raise ValidationError(_("One colon allowed in port range"))
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ports = port_range.split(':')
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for port in ports:
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try:
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if int(port) not in range(-1, 65536):
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raise ValidationError(_("Not a valid port number"))
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except ValueError:
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raise ValidationError(_("Port number must be integer"))
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# Same as POSIX [:print:]. Accordingly, diacritics are disallowed.
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PRINT_REGEX = re.compile(r'^[\x20-\x7E]*$')
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validate_printable_ascii = validators.RegexValidator(
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PRINT_REGEX,
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_("The string may only contain ASCII printable characters."),
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"invalid_characters")
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