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path: root/controlloop/templates/template.demo/src/main/resources/frequency_limiter_template.xml
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!--
  ============LICENSE_START=======================================================
  drools-applications
  ================================================================================
  Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
  ================================================================================
  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.
  ============LICENSE_END=========================================================
  -->
<Policy xmlns="urn:oasis:names:tc:xacml:3.0:core:schema:wd-17"
    PolicyId="urn:com:att:xacml:policy:id:25e12b06-11d5-4895-b2a2-6f6c594de069"
    Version="1"
    RuleCombiningAlgId="urn:oasis:names:tc:xacml:3.0:rule-combining-algorithm:permit-unless-deny">
    <Description>Policy for frequency limiter.</Description>
    <Target>
        <AnyOf>
            <AllOf>

                <Match
                    MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
                        <!-- <AttributeValue DataType="http://www.w3.org/2001/XMLSchema#string">.*</AttributeValue>-->
                    <AttributeValue
                        DataType="http://www.w3.org/2001/XMLSchema#string">${clname}</AttributeValue>
                    <AttributeDesignator
                        Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject"
                        AttributeId="urn:oasis:names:tc:xacml:1.0:clname:clname-id"
                        DataType="http://www.w3.org/2001/XMLSchema#string"
                        MustBePresent="false" />
                </Match>
             
                <!--  <Match MatchId="urn:oasis:names:tc:xacml:1.0:function:string-equal">-->
                <Match
                    MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
                    <AttributeValue
                        DataType="http://www.w3.org/2001/XMLSchema#string">${actor}</AttributeValue>
                    <AttributeDesignator
                        Category="urn:oasis:names:tc:xacml:1.0:subject-category:access-subject"
                        AttributeId="urn:oasis:names:tc:xacml:1.0:actor:actor-id"
                        DataType="http://www.w3.org/2001/XMLSchema#string"
                        MustBePresent="false" />
                </Match>
                <Match
                    MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
                    <AttributeValue
                        DataType="http://www.w3.org/2001/XMLSchema#string">${recipe}</AttributeValue>
                    <AttributeDesignator
                        Category="urn:oasis:names:tc:xacml:3.0:attribute-category:action"
                        AttributeId="urn:oasis:names:tc:xacml:1.0:operation:operation-id"
                        DataType="http://www.w3.org/2001/XMLSchema#string"
                        MustBePresent="false" />
                </Match>

                <Match
                    MatchId="urn:oasis:names:tc:xacml:1.0:function:string-regexp-match">
                    <AttributeValue
                        DataType="http://www.w3.org/2001/XMLSchema#string">${targets}</AttributeValue>
                    <AttributeDesignator
                        Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource"
                        AttributeId="urn:oasis:names:tc:xacml:1.0:target:target-id"
                        DataType="http://www.w3.org/2001/XMLSchema#string"
                        MustBePresent="false" />
                </Match>

            </AllOf>
        </AnyOf>
    </Target>
    <Rule
        RuleId="urn:com:att:xacml:rule:id:e1e8c5c0-e2ba-47d5-9289-6c015305ed21"
        Effect="Deny">
        <Description>DENY - only if number of operations performed in
            the past is larger than the limit and the Guard is active.</Description>
        <Condition>
            <Apply
                FunctionId="urn:oasis:names:tc:xacml:1.0:function:and">
                <VariableReference
                    VariableId="isGuardActive" />
                <VariableReference
                    VariableId="isHistoryGreaterThanLimit" />
            </Apply>
        </Condition>
    </Rule>
    <VariableDefinition VariableId="isGuardActive">
        <Apply
            FunctionId="urn:oasis:names:tc:xacml:2.0:function:time-in-range">
            <Apply
                FunctionId="urn:oasis:names:tc:xacml:1.0:function:time-one-and-only">
                <AttributeDesignator
                    AttributeId="urn:oasis:names:tc:xacml:1.0:environment:current-time"
                    DataType="http://www.w3.org/2001/XMLSchema#time"
                    Category="urn:oasis:names:tc:xacml:3.0:attribute-category:environment"
                    MustBePresent="false" />
            </Apply>
            <AttributeValue
                DataType="http://www.w3.org/2001/XMLSchema#time">${guardActiveStart}</AttributeValue>
            <AttributeValue
                DataType="http://www.w3.org/2001/XMLSchema#time">${guardActiveEnd}</AttributeValue>
        </Apply>
    </VariableDefinition>
    <VariableDefinition
        VariableId="isHistoryGreaterThanLimit">
        <Apply
            FunctionId="urn:oasis:names:tc:xacml:1.0:function:integer-greater-than-or-equal">
            <Apply
                FunctionId="urn:oasis:names:tc:xacml:1.0:function:integer-one-and-only">
                <AttributeDesignator
                    Category="urn:oasis:names:tc:xacml:3.0:attribute-category:resource"
                    AttributeId="com:att:research:xacml:test:sql:resource:operations:count"
                    DataType="http://www.w3.org/2001/XMLSchema#integer"
                    Issuer="com:att:research:xacml:guard:historydb:tw:${twValue}:${twUnits}"
                    MustBePresent="false" />
            </Apply>
            <AttributeValue
                DataType="http://www.w3.org/2001/XMLSchema#integer">${limit}</AttributeValue>
        </Apply>
    </VariableDefinition>
</Policy>