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Posted to commits@ranger.apache.org by rm...@apache.org on 2019/07/02 22:31:02 UTC

[ranger] branch master updated: RANGER-2494:Ranger Custom PolicyCondition for TagNotPresent and AnyTagPresent

This is an automated email from the ASF dual-hosted git repository.

rmani pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/ranger.git


The following commit(s) were added to refs/heads/master by this push:
     new 4e06740  RANGER-2494:Ranger Custom PolicyCondition for TagNotPresent and AnyTagPresent
4e06740 is described below

commit 4e06740213483663918a14c23523333f117abebc
Author: rmani <rm...@hortonworks.com>
AuthorDate: Tue Jul 2 15:12:59 2019 -0700

    RANGER-2494:Ranger Custom PolicyCondition for TagNotPresent and AnyTagPresent
    
    Signed-off-by: rmani <rm...@hortonworks.com>
---
 ...AnyOfExpectedTagsPresentConditionEvaluator.java |  82 +++++++++
 ...oneOfExpectedTagsPresentConditionEvaluator.java |  81 +++++++++
 .../RangerCustomConditionMatcherTest.java          | 188 +++++++++++++++++++++
 3 files changed, 351 insertions(+)

diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/conditionevaluator/RangerAnyOfExpectedTagsPresentConditionEvaluator.java b/agents-common/src/main/java/org/apache/ranger/plugin/conditionevaluator/RangerAnyOfExpectedTagsPresentConditionEvaluator.java
new file mode 100644
index 0000000..3221f79
--- /dev/null
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/conditionevaluator/RangerAnyOfExpectedTagsPresentConditionEvaluator.java
@@ -0,0 +1,82 @@
+/*
+ * 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.ranger.plugin.conditionevaluator;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.ranger.plugin.policyengine.RangerAccessRequest;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+// Policy Condition to check if resource Tags does contain any of the policy Condition Tags
+
+public class RangerAnyOfExpectedTagsPresentConditionEvaluator extends RangerAbstractConditionEvaluator {
+
+	private static final Log LOG = LogFactory.getLog(RangerAnyOfExpectedTagsPresentConditionEvaluator.class);
+
+	private final Set<String> policyConditionTags = new HashSet<>();
+
+	@Override
+	public void init() {
+		if(LOG.isDebugEnabled()) {
+			LOG.debug("==> RangerAnyOfExpectedTagsPresentConditionEvaluator.init(" + condition + ")");
+		}
+
+		super.init();
+
+		if (condition != null ) {
+			for (String value : condition.getValues()) {
+				policyConditionTags.add(value.trim());
+			}
+		}
+
+		if(LOG.isDebugEnabled()) {
+			LOG.debug("<== RangerAnyOfExpectedTagsPresentConditionEvaluator.init(" + condition + "): Tags[" + policyConditionTags + "]");
+		}
+	}
+
+	@Override
+	public boolean isMatched(RangerAccessRequest request) {
+
+		if(LOG.isDebugEnabled()) {
+			LOG.debug("==> RangerAnyOfExpectedTagsPresentConditionEvaluator.isMatched(" + request + ")");
+		}
+
+		boolean matched = false;
+
+		RangerAccessRequest			 readOnlyRequest = request.getReadOnlyCopy();
+		RangerScriptExecutionContext context         = new RangerScriptExecutionContext(readOnlyRequest);
+		Set<String>                  resourceTags    = context.getAllTagTypes();
+
+		if (resourceTags != null) {
+			// check if resource Tags does contain any of the policy Condition Tags
+			matched = (!Collections.disjoint(resourceTags, policyConditionTags));
+		}
+
+
+		if(LOG.isDebugEnabled()) {
+			LOG.debug("<== RangerAnyOfExpectedTagsPresentConditionEvaluator.isMatched(" + request+ "): " + matched);
+		}
+
+		return matched;
+	}
+}
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/conditionevaluator/RangerNoneOfExpectedTagsPresentConditionEvaluator.java b/agents-common/src/main/java/org/apache/ranger/plugin/conditionevaluator/RangerNoneOfExpectedTagsPresentConditionEvaluator.java
new file mode 100644
index 0000000..d04f4b3
--- /dev/null
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/conditionevaluator/RangerNoneOfExpectedTagsPresentConditionEvaluator.java
@@ -0,0 +1,81 @@
+/*
+ * 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.ranger.plugin.conditionevaluator;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.ranger.plugin.policyengine.RangerAccessRequest;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+//PolicyCondition to check if resource Tags does not contain any of the tags in the policy condition
+
+public class RangerNoneOfExpectedTagsPresentConditionEvaluator extends RangerAbstractConditionEvaluator {
+
+	private static final Log LOG = LogFactory.getLog(RangerNoneOfExpectedTagsPresentConditionEvaluator.class);
+
+	private final Set<String> policyConditionTags = new HashSet<>();
+
+	@Override
+	public void init() {
+		if(LOG.isDebugEnabled()) {
+			LOG.debug("==> RangerNoneOfExpectedTagsPresentConditionEvaluator.init(" + condition + ")");
+		}
+
+		super.init();
+
+		if (condition != null ) {
+			for (String value : condition.getValues()) {
+				policyConditionTags.add(value.trim());
+			}
+		}
+
+		if(LOG.isDebugEnabled()) {
+			LOG.debug("<== RangerNoneOfExpectedTagsPresentConditionEvaluator.init(" + condition + "): Tags[" + policyConditionTags + "]");
+		}
+	}
+
+	@Override
+	public boolean isMatched(RangerAccessRequest request) {
+
+		if(LOG.isDebugEnabled()) {
+			LOG.debug("==> RangerNoneOfExpectedTagsPresentConditionEvaluator.isMatched(" + request + ")");
+		}
+
+		boolean matched = true;
+
+		RangerAccessRequest readOnlyRequest = request.getReadOnlyCopy();
+		RangerScriptExecutionContext context = new RangerScriptExecutionContext(readOnlyRequest);
+		Set<String> resourceTags = context.getAllTagTypes();
+
+		if (resourceTags != null) {
+			// check if resource Tags does not contain any tags in the policy condition
+			matched = (Collections.disjoint(resourceTags, policyConditionTags));
+		}
+
+		if(LOG.isDebugEnabled()) {
+			LOG.debug("<== RangerNoneOfExpectedTagsPresentConditionEvaluator.isMatched(" + request+ "): " + matched);
+		}
+
+		return matched;
+	}
+}
diff --git a/agents-common/src/test/java/org/apache/ranger/plugin/conditionevaluator/RangerCustomConditionMatcherTest.java b/agents-common/src/test/java/org/apache/ranger/plugin/conditionevaluator/RangerCustomConditionMatcherTest.java
new file mode 100644
index 0000000..b42353b
--- /dev/null
+++ b/agents-common/src/test/java/org/apache/ranger/plugin/conditionevaluator/RangerCustomConditionMatcherTest.java
@@ -0,0 +1,188 @@
+/*
+ * 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.ranger.plugin.conditionevaluator;
+
+
+import org.apache.ranger.plugin.contextenricher.RangerTagForEval;
+import org.apache.ranger.plugin.model.RangerTag;
+import org.apache.ranger.plugin.model.RangerPolicy.RangerPolicyItemCondition;
+import org.apache.ranger.plugin.policyengine.RangerAccessRequest;
+import org.apache.ranger.plugin.policyengine.RangerAccessRequestImpl;
+import org.apache.ranger.plugin.policyengine.RangerAccessResource;
+import org.apache.ranger.plugin.policyresourcematcher.RangerPolicyResourceMatcher;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class RangerCustomConditionMatcherTest {
+
+	@Before
+	public void setUp() throws Exception {
+	}
+
+	@After
+	public void tearDown() throws Exception {
+	}
+
+	@Test
+	public void testRangerAnyOfExpectedTagsPresentConditionEvaluator() {
+		List<String> policyConditionTags = Arrays.asList("PCI", "PII");
+		RangerAnyOfExpectedTagsPresentConditionEvaluator tagsAnyPresentConditionEvaluator = createRangerAnyOfExpectedTagsPresentConditionEvaluator(policyConditionTags);
+
+		// When any tag in the resourceTags matches policyConditionTags it should return TRUE
+		List<String> resourceTags = Arrays.asList("PCI", "PHI");
+		Assert.assertTrue(tagsAnyPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+		resourceTags = Arrays.asList("PHI", "PII" ,"HIPPA");
+		Assert.assertTrue(tagsAnyPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When no Tag Matches between resourceTags and PolicyConditionTags it should return FALSE
+		resourceTags = Arrays.asList("HIPPA", "PHI");
+		Assert.assertFalse(tagsAnyPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When policyConditionTags and resourceTags contains empty set it should return TRUE as empty set matches.
+		policyConditionTags = Arrays.asList("");
+		resourceTags = Arrays.asList("");
+		tagsAnyPresentConditionEvaluator = createRangerAnyOfExpectedTagsPresentConditionEvaluator(policyConditionTags);
+		Assert.assertTrue(tagsAnyPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When policyConditionTags is not empty and resourceTags empty it should return FALSE as there is no any match.
+		policyConditionTags = Arrays.asList("PCI", "PII");
+		resourceTags = Arrays.asList("");
+		tagsAnyPresentConditionEvaluator = createRangerAnyOfExpectedTagsPresentConditionEvaluator(policyConditionTags);
+		Assert.assertFalse(tagsAnyPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When policyConditionTags is empty and resourceTags in not empty it should return FALSE as there is no any match.
+		policyConditionTags = Arrays.asList("");
+		resourceTags = Arrays.asList("PCI", "PII");
+		tagsAnyPresentConditionEvaluator = createRangerAnyOfExpectedTagsPresentConditionEvaluator(policyConditionTags);
+		Assert.assertFalse(tagsAnyPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When policyConditionTags is not empty and resourceTags is NULL it should return FALSE as there is no any match.
+		policyConditionTags = Arrays.asList("PCI", "PII");
+		resourceTags = null;
+		tagsAnyPresentConditionEvaluator = createRangerAnyOfExpectedTagsPresentConditionEvaluator(policyConditionTags);
+		Assert.assertFalse(tagsAnyPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+	}
+
+
+	@Test
+	public void testRangerTagsNotPresentConditionEvaluator() {
+
+		List<String> policyConditionTags = Arrays.asList("PCI", "PII");
+		RangerNoneOfExpectedTagsPresentConditionEvaluator tagsNotPresentConditionEvaluator = createRangerTagsNotPresentConditionEvaluator(policyConditionTags);
+
+		// When no Tag Matches between resourceTags and PolicyConditionTags it should return TRUE
+		List<String> resourceTags = Arrays.asList("HIPPA", "PHI");
+		Assert.assertTrue(tagsNotPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When any Tag Matches between resourceTags and PolicyConditionTags it should return FALSE
+		resourceTags = Arrays.asList("HIPPA", "PII", "");
+		Assert.assertFalse(tagsNotPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When policyConditionTags and resourceTags both are empty is should return FALSE as both matches.
+		policyConditionTags = Arrays.asList("");
+		resourceTags = Arrays.asList("");
+		tagsNotPresentConditionEvaluator = createRangerTagsNotPresentConditionEvaluator(policyConditionTags);
+		Assert.assertFalse(tagsNotPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When policyConditionTags is not empty and resourceTags empty it should return TRUE as there is no tag match between these two sets.
+		policyConditionTags = Arrays.asList("PCI", "PII");
+		resourceTags = Arrays.asList("");
+		tagsNotPresentConditionEvaluator = createRangerTagsNotPresentConditionEvaluator(policyConditionTags);
+		Assert.assertTrue(tagsNotPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When policyConditionTags is  empty and resourceTags in not empty it should return TRUE as there is no tag match between these two sets.
+		policyConditionTags = Arrays.asList("");
+		resourceTags = Arrays.asList("PCI", "PII");
+		tagsNotPresentConditionEvaluator = createRangerTagsNotPresentConditionEvaluator(policyConditionTags);
+		Assert.assertTrue(tagsNotPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+
+		// When policyConditionTags is not empty and resourceTags is NULL it should return TRUE as there is no tag match between these two sets.
+		policyConditionTags = Arrays.asList("PCI", "PII");
+		resourceTags = Arrays.asList("");
+		tagsNotPresentConditionEvaluator = createRangerTagsNotPresentConditionEvaluator(policyConditionTags);
+		Assert.assertTrue(tagsNotPresentConditionEvaluator.isMatched(createRequest(resourceTags)));
+	}
+
+	RangerAnyOfExpectedTagsPresentConditionEvaluator createRangerAnyOfExpectedTagsPresentConditionEvaluator(List<String> policyConditionTags) {
+		RangerAnyOfExpectedTagsPresentConditionEvaluator matcher = new RangerAnyOfExpectedTagsPresentConditionEvaluator();
+
+		if (policyConditionTags == null) {
+			matcher.setConditionDef(null);
+			matcher.setPolicyItemCondition(null);
+		} else {
+			RangerPolicyItemCondition condition = mock(RangerPolicyItemCondition.class);
+			when(condition.getValues()).thenReturn(policyConditionTags);
+			matcher.setConditionDef(null);
+			matcher.setPolicyItemCondition(condition);
+		}
+
+		matcher.init();
+
+		return matcher;
+	}
+
+	RangerNoneOfExpectedTagsPresentConditionEvaluator createRangerTagsNotPresentConditionEvaluator(List<String> policyConditionTags) {
+		RangerNoneOfExpectedTagsPresentConditionEvaluator matcher = new RangerNoneOfExpectedTagsPresentConditionEvaluator();
+
+		if (policyConditionTags == null) {
+			matcher.setConditionDef(null);
+			matcher.setPolicyItemCondition(null);
+		} else {
+			RangerPolicyItemCondition condition = mock(RangerPolicyItemCondition.class);
+			when(condition.getValues()).thenReturn(policyConditionTags);
+			matcher.setConditionDef(null);
+			matcher.setPolicyItemCondition(condition);
+		}
+
+		matcher.init();
+
+		return matcher;
+	}
+
+	RangerAccessRequest createRequest(List<String> resourceTags) {
+		RangerAccessResource                  resource          = mock(RangerAccessResource.class);
+		RangerAccessRequest                   request           = new RangerAccessRequestImpl(resource,"dummy","test", null);
+		Set<RangerTagForEval>                 rangerTagForEvals = new HashSet<>();
+		RangerPolicyResourceMatcher.MatchType matchType         = RangerPolicyResourceMatcher.MatchType.NONE;
+
+		if (resourceTags != null) {
+			for (String resourceTag : resourceTags) {
+				RangerTag tag = new RangerTag(UUID.randomUUID().toString(), resourceTag, null, null, null, null);
+				rangerTagForEvals.add(new RangerTagForEval(tag, matchType));
+			}
+			request.getContext().put("TAGS", rangerTagForEvals);
+		}  else {
+			request.getContext().put("TAGS", null);
+		}
+
+		return request;
+	}
+}