9c74c42a4b
Added schema to validate following query parameters:- 1. filter 2. all_fields 3. exclude_fields 4. fields 5. exclude_default Business rules are defined in ETSI GS NFV-SOL 013 V2.6.1 (2019-03), section 5.2 and 5.3. Change-Id: I01cf08f46ffd69d10f5afde430c42c4bc211bd25 Implements: bp/enhance-vnf-package-support-part1
92 lines
2.7 KiB
Python
92 lines
2.7 KiB
Python
# Copyright (C) 2019 NTT DATA
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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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"""
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Request Body validating middleware.
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"""
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import functools
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import webob
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from tacker.api.validation import validators
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from tacker.common import exceptions
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def schema(request_body_schema):
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"""Register a schema to validate request body.
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Registered schema will be used for validating request body just before
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API method executing.
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:param dict request_body_schema: a schema to validate request body
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"""
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def add_validator(func):
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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schema_validator = validators._SchemaValidator(
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request_body_schema)
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try:
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schema_validator.validate(kwargs['body'])
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except KeyError:
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raise webob.exc.HTTPBadRequest(
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explanation=_("Malformed request body"))
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return func(*args, **kwargs)
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return wrapper
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return add_validator
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def query_schema(query_params_schema):
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"""Register a schema to validate request query parameters.
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Registered schema will be used for validating request query params just
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before API method executing.
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:param query_params_schema: A dict, the JSON-Schema for validating the
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query parameters.
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"""
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def add_validator(func):
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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# NOTE(tpatil): The second argument of the method
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# calling this method should always be 'request'.
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if 'request' in kwargs:
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req = kwargs['request']
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else:
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req = args[1]
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try:
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req.GET.dict_of_lists()
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except UnicodeDecodeError:
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msg = _('Query string is not UTF-8 encoded')
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raise exceptions.ValidationError(msg)
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query_opts = {}
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query_opts.update(req.GET)
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schema_validator = validators._SchemaValidator(
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query_params_schema)
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schema_validator.validate(query_opts)
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return func(*args, **kwargs)
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return wrapper
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return add_validator
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