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chore: Refactor BPN evaluation function (#1074)
* chore: BPN number policy function refactor * Update edc-extensions/bpn-validation/bpn-validation-core/src/main/java/org/eclipse/tractusx/edc/validation/businesspartner/functions/BusinessPartnerNumberPermissionFunction.java Co-authored-by: Jim Marino <jim.marino@gmail.com> --------- Co-authored-by: Jim Marino <jim.marino@gmail.com>
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...usx/edc/validation/businesspartner/functions/BusinessPartnerNumberPermissionFunction.java
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| Original file line number | Diff line number | Diff line change |
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| /******************************************************************************** | ||
| * Copyright (c) 2023 Bayerische Motoren Werke Aktiengesellschaft (BMW AG) | ||
| * | ||
| * See the NOTICE file(s) distributed with this work for additional | ||
| * information regarding copyright ownership. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Apache License, Version 2.0 which is available at | ||
| * https://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. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| ********************************************************************************/ | ||
|
|
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| package org.eclipse.tractusx.edc.validation.businesspartner.functions; | ||
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| import org.eclipse.edc.policy.engine.spi.AtomicConstraintFunction; | ||
| import org.eclipse.edc.policy.engine.spi.PolicyContext; | ||
| import org.eclipse.edc.policy.model.Operator; | ||
| import org.eclipse.edc.policy.model.Permission; | ||
| import org.eclipse.edc.spi.agent.ParticipantAgent; | ||
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| import java.util.Optional; | ||
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| import static java.lang.String.format; | ||
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| /** | ||
| * AtomicConstraintFunction to validate business partner numbers for edc permissions. | ||
| */ | ||
| public class BusinessPartnerNumberPermissionFunction implements AtomicConstraintFunction<Permission> { | ||
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| public BusinessPartnerNumberPermissionFunction() { | ||
| } | ||
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| @Override | ||
| public boolean evaluate(Operator operator, Object rightValue, Permission rule, PolicyContext context) { | ||
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| if (operator != Operator.EQ) { | ||
| var message = format("As operator only 'EQ' is supported. Unsupported operator: '%s'", operator); | ||
| context.reportProblem(message); | ||
| return false; | ||
| } | ||
|
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| var participantAgent = context.getContextData(ParticipantAgent.class); | ||
| if (participantAgent == null) { | ||
| context.reportProblem("Required PolicyContext data not found: " + ParticipantAgent.class.getName()); | ||
| return false; | ||
| } | ||
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| var identity = participantAgent.getIdentity(); | ||
| if (identity == null) { | ||
| context.reportProblem("Identity of the participant agent cannot be null"); | ||
| return false; | ||
| } | ||
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| if ((rightValue instanceof String businessPartnerNumberStr)) { | ||
| if (businessPartnerNumberStr.equals(identity)) { | ||
| return true; | ||
| } else { | ||
| context.reportProblem("Identity of the participant not matching the expected one: " + businessPartnerNumberStr); | ||
| return false; | ||
| } | ||
| } else { | ||
| var message = format("Invalid right operand value: expected 'String' but got '%s'", | ||
| Optional.of(rightValue).map(Object::getClass).map(Class::getName).orElse(null)); | ||
| context.reportProblem(message); | ||
| return false; | ||
| } | ||
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| } | ||
| } |
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