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Merge pull request #2236 from atlanhq/gov-1233-staging
Gov 1233 staging
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145 changes: 145 additions & 0 deletions
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...e/atlas/repository/store/graph/v2/preprocessor/resource/AbstractResourcePreProcessor.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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. | ||
| */ | ||
| package org.apache.atlas.repository.store.graph.v2.preprocessor.resource; | ||
|
|
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| import org.apache.atlas.RequestContext; | ||
| import org.apache.atlas.authorize.AtlasAuthorizationUtils; | ||
| import org.apache.atlas.authorize.AtlasEntityAccessRequest; | ||
| import org.apache.atlas.authorize.AtlasPrivilege; | ||
| import org.apache.atlas.exception.AtlasBaseException; | ||
| import org.apache.atlas.model.instance.AtlasEntity; | ||
| import org.apache.atlas.model.instance.AtlasEntityHeader; | ||
| import org.apache.atlas.model.instance.AtlasObjectId; | ||
| import org.apache.atlas.repository.graphdb.AtlasEdgeDirection; | ||
| import org.apache.atlas.repository.graphdb.AtlasVertex; | ||
| import org.apache.atlas.repository.store.graph.v2.EntityGraphRetriever; | ||
| import org.apache.atlas.repository.store.graph.v2.preprocessor.PreProcessor; | ||
| import org.apache.atlas.type.AtlasTypeRegistry; | ||
| import org.apache.atlas.utils.AtlasPerfMetrics; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import java.util.Iterator; | ||
|
|
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| import static org.apache.atlas.repository.Constants.ACTIVE_STATE_VALUE; | ||
| import static org.apache.atlas.repository.Constants.ASSET_RELATION_ATTR; | ||
| import static org.apache.atlas.repository.Constants.STATE_PROPERTY_KEY; | ||
|
|
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| public abstract class AbstractResourcePreProcessor implements PreProcessor { | ||
| private static final Logger LOG = LoggerFactory.getLogger(AbstractResourcePreProcessor.class); | ||
|
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| private final AtlasTypeRegistry typeRegistry; | ||
| private final EntityGraphRetriever entityRetriever; | ||
|
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| AbstractResourcePreProcessor(AtlasTypeRegistry typeRegistry, | ||
| EntityGraphRetriever entityRetriever) { | ||
| this.typeRegistry = typeRegistry; | ||
| this.entityRetriever = entityRetriever; | ||
| } | ||
|
|
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| void authorizeResourceUpdate(AtlasEntity resourceEntity, AtlasVertex ResourceVertex, String edgeLabel) throws AtlasBaseException { | ||
| AtlasPerfMetrics.MetricRecorder metricRecorder = RequestContext.get().startMetricRecord("authorizeResourceUpdate"); | ||
|
|
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| try { | ||
| AtlasEntityHeader assetEntity = null; | ||
|
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| AtlasObjectId asset = getAssetRelationAttr(resourceEntity); | ||
| if (asset != null) { | ||
| //Found linked asset in payload | ||
| AtlasVertex assetVertex = entityRetriever.getEntityVertex(asset); | ||
| assetEntity = entityRetriever.toAtlasEntityHeader(assetVertex); | ||
|
|
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| } else { | ||
| //Check for linked asset in store | ||
| Iterator atlasVertexIterator = ResourceVertex.query() | ||
| .direction(AtlasEdgeDirection.IN) | ||
| .label(edgeLabel) | ||
| .has(STATE_PROPERTY_KEY, ACTIVE_STATE_VALUE) | ||
| .vertices() | ||
| .iterator(); | ||
|
|
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| if (atlasVertexIterator.hasNext()) { | ||
| //Found linked asset in store | ||
| AtlasVertex assetVertex = (AtlasVertex) atlasVertexIterator.next(); | ||
| assetEntity = entityRetriever.toAtlasEntityHeader(assetVertex); | ||
| } | ||
| } | ||
|
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| if (assetEntity != null) { | ||
| //First authorize entity update access | ||
| verifyAssetAccess(assetEntity, AtlasPrivilege.ENTITY_UPDATE, resourceEntity, AtlasPrivilege.ENTITY_UPDATE); | ||
| } else { | ||
| //No linked asset to the Resource, check for resource update permission | ||
| verifyAccess(resourceEntity, AtlasPrivilege.ENTITY_UPDATE); | ||
| } | ||
|
|
||
| } finally { | ||
| RequestContext.get().endMetricRecord(metricRecorder); | ||
| } | ||
| } | ||
|
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| void authorizeResourceDelete(AtlasVertex resourceVertex) throws AtlasBaseException { | ||
| AtlasPerfMetrics.MetricRecorder recorder = RequestContext.get().startMetricRecord("authorizeResourceDelete"); | ||
|
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| try { | ||
| AtlasEntity resourceEntity = entityRetriever.toAtlasEntity(resourceVertex); | ||
|
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| AtlasObjectId asset = getAssetRelationAttr(resourceEntity); | ||
| if (asset != null) { | ||
| AtlasEntityHeader assetEntity = entityRetriever.toAtlasEntityHeader(asset.getGuid()); | ||
| verifyAssetAccess(assetEntity, AtlasPrivilege.ENTITY_UPDATE, resourceEntity, AtlasPrivilege.ENTITY_DELETE); | ||
| } else { | ||
| //No linked asset to the Resource, check for resource delete permission | ||
| verifyAccess(resourceEntity, AtlasPrivilege.ENTITY_DELETE); | ||
| } | ||
| } finally { | ||
| RequestContext.get().endMetricRecord(recorder); | ||
| } | ||
| } | ||
|
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| private AtlasObjectId getAssetRelationAttr(AtlasEntity entity) { | ||
| AtlasObjectId ret = null; | ||
|
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| if (entity.hasRelationshipAttribute(ASSET_RELATION_ATTR) && | ||
| entity.getRelationshipAttribute(ASSET_RELATION_ATTR) != null) { | ||
| ret = (AtlasObjectId) entity.getRelationshipAttribute(ASSET_RELATION_ATTR); | ||
| } | ||
|
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| return ret; | ||
| } | ||
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| private void verifyAssetAccess(AtlasEntityHeader asset, AtlasPrivilege assetPrivilege, | ||
| AtlasEntity resource, AtlasPrivilege resourcePrivilege) throws AtlasBaseException { | ||
| verifyAccess(asset, assetPrivilege); | ||
|
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| try { | ||
| verifyAccess(resource, resourcePrivilege); | ||
| } catch (AtlasBaseException abe) { | ||
| //ignore as this is just for access logs purpose | ||
| } | ||
| } | ||
|
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| private void verifyAccess(AtlasEntity entity, AtlasPrivilege privilege) throws AtlasBaseException { | ||
| verifyAccess(new AtlasEntityHeader(entity), privilege); | ||
| } | ||
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| private void verifyAccess(AtlasEntityHeader entityHeader, AtlasPrivilege privilege) throws AtlasBaseException { | ||
| String errorMessage = privilege.name() + " entity: " + entityHeader.getTypeName(); | ||
| AtlasAuthorizationUtils.verifyAccess(new AtlasEntityAccessRequest(typeRegistry, privilege, entityHeader), errorMessage); | ||
| } | ||
| } |
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