--- /dev/null
+#!/usr/bin/python
+# Copyright 2019 Nokia
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# pylint: disable=line-too-long
+
+import logging
+import json
+import pytz
+import yaml
+import requests
+from django.core.validators import URLValidator
+from django.core.exceptions import ValidationError
+
+from cmframework.apis import cmvalidator
+from cmdatahandlers.api import validation
+
+
+class TimeValidation(cmvalidator.CMValidator):
+ domain = 'cloud.time'
+ supported_authentication_types = ['none', 'crypto', 'symmetric']
+
+ def get_subscription_info(self):
+ logging.debug('get_subscription info called')
+ return r'^cloud\.time$'
+
+ def validate_set(self, dict_key_value):
+ ntp_attr = 'ntp_servers'
+ logging.debug('validate_set called with %s' % str(dict_key_value))
+
+ for key, value in dict_key_value.iteritems():
+ value_dict = json.loads(value)
+ if not value_dict:
+ raise validation.ValidationError('No value for %s' % key)
+ if not isinstance(value_dict, dict):
+ raise validation.ValidationError('%s value is not a dict' % self.domain)
+
+ if key == self.domain:
+ ntp_list = value_dict.get(ntp_attr)
+
+ self.validate_ntp(ntp_list)
+
+ attr = 'zone'
+ zone = value_dict.get(attr)
+ if zone:
+ self.validate_timezone(zone)
+ else:
+ raise validation.ValidationError('Missing timezone %s' % attr)
+
+ auth_type = value_dict.get('auth_type')
+ if auth_type:
+ self.validate_authtype(auth_type)
+ else:
+ raise validation.ValidationError('Missing authentication type for NTP')
+
+ filepath = value_dict.get('serverkeys_path')
+ if auth_type != 'none' and filepath == '':
+ raise validation.ValidationError('The serverkeys_path is missing')
+ elif auth_type == 'none':
+ pass
+ else:
+ self.validate_filepath(filepath)
+ self.validate_yaml_format(filepath, auth_type)
+ else:
+ raise validation.ValidationError('Unexpected configuration %s' % key)
+
+ def validate_delete(self, dict_key_value):
+ logging.debug('validate_delete called with %s' % str(dict_key_value))
+ raise validation.ValidationError('%s cannot be deleted' % self.domain)
+
+ def validate_ntp(self, ntp_list):
+ if not ntp_list:
+ raise validation.ValidationError('Missing NTP configuration')
+
+ if not isinstance(ntp_list, list):
+ raise validation.ValidationError('NTP servers value must be a list')
+ utils = validation.ValidationUtils()
+ for ntp in ntp_list:
+ utils.validate_ip_address(ntp)
+
+ def validate_timezone(self, value):
+ try:
+ pytz.timezone(value)
+ except pytz.UnknownTimeZoneError as exc:
+ raise validation.ValidationError("Invalid time zone: {0}".format(exc))
+
+ def validate_authtype(self, auth_type):
+ if auth_type not in TimeValidation.supported_authentication_types:
+ raise validation.ValidationError(
+ 'The provided authentication method for NTP is not supported')
+
+ def validate_filepath(self, filepath):
+ try:
+ val = URLValidator()
+ val(filepath)
+ except ValidationError:
+ raise validation.ValidationError('The url: "%s" is not a valid url!' % filepath)
+
+ def validate_yaml_format(self, url, auth_type):
+ if url.startswith("file://"):
+ path = url.lstrip("file://")
+ try:
+ with open(path) as f:
+ f_content = f.read()
+ except IOError:
+ raise validation.ValidationError('The file: "%s" is not present on the system!'
+ % url)
+ else:
+ try:
+ r = requests.get(url)
+ if r['status_code'] != 200:
+ raise requests.exceptions.ConnectionError()
+ f_content = r['content']
+ except requests.exceptions.ConnectionError:
+ raise validation.ValidationError('The url: "%s" is not reachable!' % url)
+ try:
+ yaml_content = yaml.load(f_content)
+ except yaml.YAMLError:
+ raise validation.ValidationError('The validation of the yamlfile failed!')
+ for item in yaml_content:
+ srv = item.keys()[0]
+ if auth_type == 'symmetric' and not isinstance(item[srv], str):
+ raise validation.ValidationError('The yamlfile contains invalid data! '
+ '(The authentication method looks like it\'s symmetric.)')
+ elif auth_type == 'crypto' and isinstance(item[srv], dict):
+ if (item[srv]['type'] != 'iff' or item[srv]['type'] != 'gq' or
+ item[srv]['type'] != 'mv')\
+ and (not isinstance(item[srv]['keys'], list)):
+ raise validation.ValidationError('The yamlfile contains invalid data! '
+ '(The authentication method looks like it\'s crypto.)')
+ else:
+ raise validation.ValidationError('The yamlfile contains invalid data!')
Code Review / ta / cm-plugins.git / blobdiff