54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
# Copyright 2016 NEC Corporation.
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# All Rights Reserved.
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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 jsonschema
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from oslo_serialization import base64
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from oslo_utils import timeutils
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# JSON Schema validator and format checker used for JSON Schema validation
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JSONSCHEMA_VALIDATOR = jsonschema.Draft4Validator
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FORMAT_CHECKER = jsonschema.draft4_format_checker
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# NOTE(gmann): Add customized format checker for 'date-time' format because:
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# 1. jsonschema needs strict_rfc3339 or isodate module to be installed
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# for proper date-time checking as per rfc3339.
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# 2. Nova or other OpenStack components handle the date time format as
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# ISO 8601 which is defined in oslo_utils.timeutils
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# so this checker will validate the date-time as defined in
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# oslo_utils.timeutils
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@FORMAT_CHECKER.checks('iso8601-date-time')
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def _validate_datetime_format(instance):
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try:
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if instance is not None:
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timeutils.parse_isotime(instance)
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except ValueError:
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return False
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else:
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return True
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@jsonschema.FormatChecker.cls_checks('base64')
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def _validate_base64_format(instance):
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try:
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if isinstance(instance, str):
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instance = instance.encode('utf-8')
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base64.decode_as_bytes(instance)
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except TypeError:
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# The name must be string type. If instance isn't string type, the
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# TypeError will be raised at here.
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return False
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return True
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