You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@ranger.apache.org by ma...@apache.org on 2018/03/02 19:34:26 UTC

[2/2] ranger git commit: RANGER-1999: Ranger policy engine updates to support list-of-values in access reource

RANGER-1999: Ranger policy engine updates to support list-of-values in access reource


Project: http://git-wip-us.apache.org/repos/asf/ranger/repo
Commit: http://git-wip-us.apache.org/repos/asf/ranger/commit/6cc62086
Tree: http://git-wip-us.apache.org/repos/asf/ranger/tree/6cc62086
Diff: http://git-wip-us.apache.org/repos/asf/ranger/diff/6cc62086

Branch: refs/heads/master
Commit: 6cc62086795a212516b69fd09a1c2ef7a6761e5d
Parents: d3fffd0
Author: Madhan Neethiraj <ma...@apache.org>
Authored: Wed Feb 28 13:00:03 2018 -0800
Committer: Madhan Neethiraj <ma...@apache.org>
Committed: Fri Mar 2 11:33:26 2018 -0800

----------------------------------------------------------------------
 .../ranger/authorization/utils/StringUtil.java  |  16 +++
 .../policyengine/RangerAccessResource.java      |   4 +-
 .../policyengine/RangerAccessResourceImpl.java  |  16 +--
 .../RangerAccessResourceReadOnly.java           |   8 +-
 .../policyengine/RangerMutableResource.java     |   2 +-
 .../RangerDefaultPolicyResourceMatcher.java     |  32 +++--
 .../RangerAbstractResourceMatcher.java          |  13 +-
 .../RangerDefaultResourceMatcher.java           |  25 +++-
 .../resourcematcher/RangerResourceMatcher.java  |   2 +-
 .../plugin/resourcematcher/ResourceMatcher.java |  13 ++
 .../ranger/plugin/service/RangerBasePlugin.java |   3 +-
 .../ranger/plugin/util/RangerResourceTrie.java  | 130 ++++++++++++++-----
 .../plugin/policyengine/TestPolicyEngine.java   |   7 +
 .../RangerAbstractResourceMatcherTest.java      |   2 +-
 .../policyengine/test_policyengine_atlas.json   | 120 +++++++++++++++++
 .../hive/authorizer/RangerHiveResource.java     |  10 +-
 .../perftest/v2/RangerPolicyFactory.java        |   2 +-
 .../org/apache/ranger/rest/ServiceREST.java     |  17 +--
 18 files changed, 344 insertions(+), 78 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/authorization/utils/StringUtil.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/authorization/utils/StringUtil.java b/agents-common/src/main/java/org/apache/ranger/authorization/utils/StringUtil.java
index 2835cdd..2bb834d 100644
--- a/agents-common/src/main/java/org/apache/ranger/authorization/utils/StringUtil.java
+++ b/agents-common/src/main/java/org/apache/ranger/authorization/utils/StringUtil.java
@@ -23,7 +23,9 @@ import java.util.Calendar;
 import java.util.Collection;
 import java.util.Date;
 import java.util.GregorianCalendar;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.TimeZone;
 
 public class StringUtil {
@@ -273,4 +275,18 @@ public class StringUtil {
 
 		return utc.getTime();
 	}
+
+	public static Map<String, Object> toStringObjectMap(Map<String, String> map) {
+		Map<String, Object> ret = null;
+
+		if (map != null) {
+			ret = new HashMap<>(map.size());
+
+			for (Map.Entry<String, String> e : map.entrySet()) {
+				ret.put(e.getKey(), e.getValue());
+			}
+		}
+
+		return ret;
+	}
 }

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResource.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResource.java b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResource.java
index 2ee616a..e2ed3f2 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResource.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResource.java
@@ -33,7 +33,7 @@ public interface RangerAccessResource {
 
 	boolean exists(String name);
 
-	String getValue(String name);
+	Object getValue(String name);
 
 	RangerServiceDef getServiceDef();
 
@@ -45,7 +45,7 @@ public interface RangerAccessResource {
 
 	String getCacheKey();
 
-	Map<String, String> getAsMap();
+	Map<String, Object> getAsMap();
 
 	RangerAccessResource getReadOnlyCopy();
 }

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceImpl.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceImpl.java b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceImpl.java
index 5800486..93810ae 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceImpl.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceImpl.java
@@ -31,7 +31,7 @@ import org.apache.ranger.plugin.model.RangerServiceDef.RangerResourceDef;
 
 public class RangerAccessResourceImpl implements RangerMutableResource {
 	private String              ownerUser;
-	private Map<String, String> elements;
+	private Map<String, Object> elements;
 	private String              stringifiedValue;
 	private String              stringifiedCacheKeyValue;
 	private String              leafName;
@@ -41,11 +41,11 @@ public class RangerAccessResourceImpl implements RangerMutableResource {
 		this(null, null);
 	}
 
-	public RangerAccessResourceImpl(Map<String, String> elements) {
+	public RangerAccessResourceImpl(Map<String, Object> elements) {
 		this(elements, null);
 	}
 
-	public RangerAccessResourceImpl(Map<String, String> elements, String ownerUser) {
+	public RangerAccessResourceImpl(Map<String, Object> elements, String ownerUser) {
 		this.elements  = elements;
 		this.ownerUser = ownerUser;
 	}
@@ -61,8 +61,8 @@ public class RangerAccessResourceImpl implements RangerMutableResource {
 	}
 
 	@Override
-	public String getValue(String name) {
-		String ret = null;
+	public Object getValue(String name) {
+		Object ret = null;
 
 		if(elements != null && elements.containsKey(name)) {
 			ret = elements.get(name);
@@ -88,7 +88,7 @@ public class RangerAccessResourceImpl implements RangerMutableResource {
 	}
 
 	@Override
-	public void setValue(String name, String value) {
+	public void setValue(String name, Object value) {
 		if(value == null) {
 			if(elements != null) {
 				elements.remove(name);
@@ -200,7 +200,7 @@ public class RangerAccessResourceImpl implements RangerMutableResource {
 	}
 
 	@Override
-	public Map<String, String> getAsMap() {
+	public Map<String, Object> getAsMap() {
 		return elements == null ? Collections.EMPTY_MAP : Collections.unmodifiableMap(elements);
 	}
 
@@ -251,7 +251,7 @@ public class RangerAccessResourceImpl implements RangerMutableResource {
 
 		sb.append("elements={");
 		if(elements != null) {
-			for(Map.Entry<String, String> e : elements.entrySet()) {
+			for(Map.Entry<String, Object> e : elements.entrySet()) {
 				sb.append(e.getKey()).append("=").append(e.getValue()).append("; ");
 			}
 		}

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceReadOnly.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceReadOnly.java b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceReadOnly.java
index 18bb1f4..30abf91 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceReadOnly.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerAccessResourceReadOnly.java
@@ -29,7 +29,7 @@ public class RangerAccessResourceReadOnly implements RangerAccessResource {
 
 	private final RangerAccessResource source;
 	private final Set<String> keys;
-	private final Map<String, String> map;
+	private final Map<String, Object> map;
 
 	public RangerAccessResourceReadOnly(final RangerAccessResource source) {
 		this.source = source;
@@ -42,7 +42,7 @@ public class RangerAccessResourceReadOnly implements RangerAccessResource {
 		}
 		this.keys = Collections.unmodifiableSet(sourceKeys);
 
-		Map<String, String> sourceMap = source.getAsMap();
+		Map<String, Object> sourceMap = source.getAsMap();
 
 		if (MapUtils.isEmpty(sourceMap)) {
 			sourceMap = new HashMap<>();
@@ -54,7 +54,7 @@ public class RangerAccessResourceReadOnly implements RangerAccessResource {
 
 	public boolean exists(String name) { return source.exists(name); }
 
-	public String getValue(String name) { return source.getValue(name); }
+	public Object getValue(String name) { return source.getValue(name); }
 
 	public RangerServiceDef getServiceDef() { return source.getServiceDef(); }
 
@@ -66,7 +66,7 @@ public class RangerAccessResourceReadOnly implements RangerAccessResource {
 
 	public String getCacheKey() { return source.getCacheKey(); }
 
-	public Map<String, String> getAsMap() { return map; }
+	public Map<String, Object> getAsMap() { return map; }
 
 	public RangerAccessResource getReadOnlyCopy() { return this; }
 }

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerMutableResource.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerMutableResource.java b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerMutableResource.java
index 9fcefbe..7f83f96 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerMutableResource.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/policyengine/RangerMutableResource.java
@@ -25,6 +25,6 @@ import org.apache.ranger.plugin.model.RangerServiceDef;
 public interface RangerMutableResource extends RangerAccessResource {
 	void setOwnerUser(String ownerUser);
 
-	void setValue(String type, String value);
+	void setValue(String type, Object value);
 	void setServiceDef(RangerServiceDef serviceDef);
 }

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java b/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java
index 415263e..c1b29d3 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/policyresourcematcher/RangerDefaultPolicyResourceMatcher.java
@@ -274,13 +274,21 @@ public class RangerDefaultPolicyResourceMatcher implements RangerPolicyResourceM
         if (keysMatch) {
             for (RangerResourceDef resourceDef : serviceDef.getResources()) {
                 String                resourceName  = resourceDef.getName();
-                String                resourceValue = resource.getValue(resourceName);
+                Object                resourceValue = resource.getValue(resourceName);
                 RangerResourceMatcher matcher       = getResourceMatcher(resourceName);
 
-                if (StringUtils.isEmpty(resourceValue)) {
-                    ret = matcher == null || matcher.isCompleteMatch(resourceValue, evalContext);
-                } else {
-                    ret = matcher != null && matcher.isCompleteMatch(resourceValue, evalContext);
+                if (resourceValue == null) {
+                    ret = matcher == null || matcher.isCompleteMatch(null, evalContext);
+                } else if (resourceValue instanceof String) {
+                    String strValue = (String) resourceValue;
+
+                    if (StringUtils.isEmpty(strValue)) {
+                        ret = matcher == null || matcher.isCompleteMatch(strValue, evalContext);
+                    } else {
+                        ret = matcher != null && matcher.isCompleteMatch(strValue, evalContext);
+                    }
+                } else { // return false for any other type of resourceValue
+                    ret = false;
                 }
 
                 if (!ret) {
@@ -447,12 +455,18 @@ public class RangerDefaultPolicyResourceMatcher implements RangerPolicyResourceM
 
         for (RangerResourceDef resourceDef : serviceDef.getResources()) {
             String resourceName = resourceDef.getName();
-            String resourceValue = resource.getValue(resourceName);
-            if (resourceValue != null) {
+            Object resourceValue = resource.getValue(resourceName);
+            if (resourceValue instanceof String) {
+                String strValue = (String) resourceValue;
+
                 if (policyResources == null) {
                     policyResources = new HashMap<>();
                 }
-                policyResources.put(resourceName, new RangerPolicyResource(resourceValue));
+                policyResources.put(resourceName, new RangerPolicyResource(strValue));
+            } else if (resourceValue != null) { // return false for any other type of resourceValue
+                policyResources = null;
+
+                break;
             }
         }
         final boolean ret = MapUtils.isNotEmpty(policyResources) && isMatch(policyResources, evalContext);
@@ -572,7 +586,7 @@ public class RangerDefaultPolicyResourceMatcher implements RangerPolicyResourceM
                     for (RangerResourceDef resourceDef : hierarchy) {
 
                         RangerResourceMatcher matcher = getResourceMatcher(resourceDef.getName());
-                        String resourceValue = resource.getValue(resourceDef.getName());
+                        Object resourceValue = resource.getValue(resourceDef.getName());
 
                         if (matcher != null) {
                             if (resourceValue != null) {

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcher.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcher.java b/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcher.java
index acd599a..8f6facd 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcher.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcher.java
@@ -271,8 +271,17 @@ public abstract class RangerAbstractResourceMatcher implements RangerResourceMat
 		return sb;
 	}
 
-	boolean isAllValuesRequested(String resource) {
-		boolean result = StringUtils.isEmpty(resource) || WILDCARD_ASTERISK.equals(resource);
+	boolean isAllValuesRequested(Object resource) {
+		final boolean result;
+
+		if (resource == null) {
+			result = true;
+		} else if (resource instanceof String) {
+			result = StringUtils.isEmpty((String) resource) || WILDCARD_ASTERISK.equals(resource);
+		} else { // return false for any other type of resourceValue
+			result = false;
+		}
+
 		if (LOG.isDebugEnabled()) {
 			LOG.debug("isAllValuesRequested(" + resource + "): " + result);
 		}

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerDefaultResourceMatcher.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerDefaultResourceMatcher.java b/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerDefaultResourceMatcher.java
index a7399ee..8a44471 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerDefaultResourceMatcher.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerDefaultResourceMatcher.java
@@ -23,6 +23,7 @@ package org.apache.ranger.plugin.resourcematcher;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import java.util.Collection;
 import java.util.Map;
 
 
@@ -30,7 +31,7 @@ public class RangerDefaultResourceMatcher extends RangerAbstractResourceMatcher
 	private static final Log LOG = LogFactory.getLog(RangerDefaultResourceMatcher.class);
 
 	@Override
-	public boolean isMatch(String resource, Map<String, Object> evalContext) {
+	public boolean isMatch(Object resource, Map<String, Object> evalContext) {
 		if(LOG.isDebugEnabled()) {
 			LOG.debug("==> RangerDefaultResourceMatcher.isMatch(" + resource + ", " + evalContext + ")");
 		}
@@ -41,10 +42,24 @@ public class RangerDefaultResourceMatcher extends RangerAbstractResourceMatcher
 		if(allValuesRequested || isMatchAny) {
 			ret = isMatchAny;
 		} else {
-			for (ResourceMatcher resourceMatcher : resourceMatchers.getResourceMatchers()) {
-				ret = resourceMatcher.isMatch(resource, evalContext);
-				if (ret) {
-					break;
+			if (resource instanceof String) {
+				String strValue = (String) resource;
+
+				for (ResourceMatcher resourceMatcher : resourceMatchers.getResourceMatchers()) {
+					ret = resourceMatcher.isMatch(strValue, evalContext);
+					if (ret) {
+						break;
+					}
+				}
+			} else if (resource instanceof Collection) {
+				@SuppressWarnings("unchecked")
+				Collection<String> collValue = (Collection<String>) resource;
+
+				for (ResourceMatcher resourceMatcher : resourceMatchers.getResourceMatchers()) {
+					ret = resourceMatcher.isMatchAny(collValue, evalContext);
+					if (ret) {
+						break;
+					}
 				}
 			}
 

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerResourceMatcher.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerResourceMatcher.java b/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerResourceMatcher.java
index 8183ded..0cb3e0f 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerResourceMatcher.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/RangerResourceMatcher.java
@@ -33,7 +33,7 @@ public interface RangerResourceMatcher {
 
 	boolean isMatchAny();
 
-	boolean isMatch(String resource, Map<String, Object> evalContext);
+	boolean isMatch(Object resource, Map<String, Object> evalContext);
 
 	boolean isCompleteMatch(String resource, Map<String, Object> evalContext);
 

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/ResourceMatcher.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/ResourceMatcher.java b/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/ResourceMatcher.java
index eab9dbc..35856a9 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/ResourceMatcher.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/resourcematcher/ResourceMatcher.java
@@ -24,6 +24,7 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.ranger.plugin.util.StringTokenReplacer;
 
 import java.io.Serializable;
+import java.util.Collection;
 import java.util.Comparator;
 import java.util.Map;
 
@@ -46,6 +47,18 @@ abstract class ResourceMatcher {
         return tokenReplacer != null;
     }
 
+    public boolean isMatchAny(Collection<String> resourceValues, Map<String, Object> evalContext) {
+        if (resourceValues != null) {
+            for (String resourceValue : resourceValues) {
+                if (isMatch(resourceValue, evalContext)) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
     @Override
     public String toString() {
         return this.getClass().getName() + "(" + this.value + ")";

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java b/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java
index aad7834..725ed74 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java
@@ -32,6 +32,7 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.ranger.admin.client.RangerAdminClient;
 import org.apache.ranger.admin.client.RangerAdminRESTClient;
 import org.apache.ranger.authorization.hadoop.config.RangerConfiguration;
+import org.apache.ranger.authorization.utils.StringUtil;
 import org.apache.ranger.plugin.model.RangerPolicy;
 import org.apache.ranger.plugin.model.RangerServiceDef;
 import org.apache.ranger.plugin.policyengine.RangerAccessRequest;
@@ -401,7 +402,7 @@ public class RangerBasePlugin {
 		if(request != null && resultProcessor != null) {
 			RangerAccessRequestImpl accessRequest = new RangerAccessRequestImpl();
 	
-			accessRequest.setResource(new RangerAccessResourceImpl(request.getResource()));
+			accessRequest.setResource(new RangerAccessResourceImpl(StringUtil.toStringObjectMap(request.getResource())));
 			accessRequest.setUser(request.getGrantor());
 			accessRequest.setAccessType(RangerPolicyEngine.ADMIN_ACCESS);
 			accessRequest.setAction(action);

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/main/java/org/apache/ranger/plugin/util/RangerResourceTrie.java
----------------------------------------------------------------------
diff --git a/agents-common/src/main/java/org/apache/ranger/plugin/util/RangerResourceTrie.java b/agents-common/src/main/java/org/apache/ranger/plugin/util/RangerResourceTrie.java
index f6c1e4d..e7e8cf5 100644
--- a/agents-common/src/main/java/org/apache/ranger/plugin/util/RangerResourceTrie.java
+++ b/agents-common/src/main/java/org/apache/ranger/plugin/util/RangerResourceTrie.java
@@ -30,6 +30,7 @@ import org.apache.ranger.plugin.resourcematcher.RangerAbstractResourceMatcher;
 import org.apache.ranger.plugin.resourcematcher.RangerResourceMatcher;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
@@ -46,6 +47,7 @@ public class RangerResourceTrie<T extends RangerPolicyResourceEvaluator> {
     private final boolean  optWildcard;
     private final String   wildcardChars;
     private final TrieNode root;
+    private final Comparator<T> comparator;
 
     public RangerResourceTrie(RangerServiceDef.RangerResourceDef resourceDef, List<T> evaluators) {
         this(resourceDef, evaluators, null);
@@ -77,6 +79,7 @@ public class RangerResourceTrie<T extends RangerPolicyResourceEvaluator> {
         this.optWildcard   = RangerAbstractResourceMatcher.getOptionWildCard(matcherOptions);
         this.wildcardChars = optWildcard ? DEFAULT_WILDCARD_CHARS + tokenReplaceSpecialChars : "" + tokenReplaceSpecialChars;
         this.root          = new TrieNode(Character.valueOf((char)0));
+        this.comparator    = comparator;
 
         for(T evaluator : evaluators) {
             Map<String, RangerPolicyResource> policyResources = evaluator.getPolicyResource();
@@ -120,40 +123,21 @@ public class RangerResourceTrie<T extends RangerPolicyResourceEvaluator> {
         return resourceName;
     }
 
-    public List<T> getEvaluatorsForResource(String resource) {
-        if(LOG.isDebugEnabled()) {
-            LOG.debug("==> RangerResourceTrie.getEvaluatorsForResource(" + resource + ")");
-        }
-
-        List<T> ret = null;
-
-        TrieNode curr = root;
-
-        final int len = resource.length();
-        for(int i = 0; i < len; i++) {
-            Character ch    = getLookupChar(resource.charAt(i));
-            TrieNode  child = curr.getChild(ch);
+    public List<T> getEvaluatorsForResource(Object resource) {
+        if (resource instanceof String) {
+            return getEvaluatorsForResource((String) resource);
+        } else if (resource instanceof Collection) {
+            if (CollectionUtils.isEmpty((Collection) resource)) {  // treat empty collection same as empty-string
+                return getEvaluatorsForResource("");
+            } else {
+                @SuppressWarnings("unchecked")
+                Collection<String> resources = (Collection<String>) resource;
 
-            if(child == null) {
-                ret = curr.getWildcardEvaluators();
-                curr = null; // so that curr.getEvaluators() will not be called below
-                break;
+                return getEvaluatorsForResources(resources);
             }
-
-            curr = child;
         }
 
-        if(ret == null) {
-            if(curr != null) {
-                ret = curr.getEvaluators();
-            }
-        }
-
-        if(LOG.isDebugEnabled()) {
-            LOG.debug("<== RangerResourceTrie.getEvaluatorsForResource(" + resource + "): evaluatorCount=" + (ret == null ? 0 : ret.size()));
-        }
-
-        return ret;
+        return null;
     }
 
     public TrieData getTrieData() {
@@ -202,6 +186,92 @@ public class RangerResourceTrie<T extends RangerPolicyResourceEvaluator> {
         }
     }
 
+    private List<T> getEvaluatorsForResource(String resource) {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> RangerResourceTrie.getEvaluatorsForResource(" + resource + ")");
+        }
+
+        List<T>  ret  = null;
+        TrieNode curr = root;
+
+        final int len = resource.length();
+        for(int i = 0; i < len; i++) {
+            Character ch    = getLookupChar(resource.charAt(i));
+            TrieNode  child = curr.getChild(ch);
+
+            if(child == null) {
+                ret = curr.getWildcardEvaluators();
+                curr = null; // so that curr.getEvaluators() will not be called below
+                break;
+            }
+
+            curr = child;
+        }
+
+        if(ret == null) {
+            if(curr != null) {
+                ret = curr.getEvaluators();
+            }
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== RangerResourceTrie.getEvaluatorsForResource(" + resource + "): evaluatorCount=" + (ret == null ? 0 : ret.size()));
+        }
+
+        return ret;
+    }
+
+    private List<T> getEvaluatorsForResources(Collection<String> resources) {
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("==> RangerResourceTrie.getEvaluatorsForResources(" + resources + ")");
+        }
+
+        List<T>      ret           = null;
+        Map<Long, T> evaluatorsMap = null;
+
+        for (String resource : resources) {
+            List<T> resourceEvaluators = getEvaluatorsForResource(resource);
+
+            if (CollectionUtils.isEmpty(resourceEvaluators)) {
+                continue;
+            }
+
+            if (evaluatorsMap == null) {
+                if (ret == null) { // first resource: don't create map yet
+                    ret = resourceEvaluators;
+                } else if (ret != resourceEvaluators) { // if evaluator list is same as earlier resources, retain the list, else create a map
+                    evaluatorsMap = new HashMap();
+
+                    for (T evaluator : ret) {
+                        evaluatorsMap.put(evaluator.getId(), evaluator);
+                    }
+
+                    ret = null;
+                }
+            }
+
+            if (evaluatorsMap != null) {
+                for (T evaluator : resourceEvaluators) {
+                    evaluatorsMap.put(evaluator.getId(), evaluator);
+                }
+            }
+        }
+
+        if (ret == null && evaluatorsMap != null) {
+            ret = new ArrayList<>(evaluatorsMap.values());
+
+            if (comparator != null) {
+                Collections.sort(ret, comparator);
+            }
+        }
+
+        if(LOG.isDebugEnabled()) {
+            LOG.debug("<== RangerResourceTrie.getEvaluatorsForResources(" + resources + "): evaluatorCount=" + (ret == null ? 0 : ret.size()));
+        }
+
+        return ret;
+    }
+
     @Override
     public String toString() {
         StringBuilder sb = new StringBuilder();

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/test/java/org/apache/ranger/plugin/policyengine/TestPolicyEngine.java
----------------------------------------------------------------------
diff --git a/agents-common/src/test/java/org/apache/ranger/plugin/policyengine/TestPolicyEngine.java b/agents-common/src/test/java/org/apache/ranger/plugin/policyengine/TestPolicyEngine.java
index bcd1577..f8c692b 100644
--- a/agents-common/src/test/java/org/apache/ranger/plugin/policyengine/TestPolicyEngine.java
+++ b/agents-common/src/test/java/org/apache/ranger/plugin/policyengine/TestPolicyEngine.java
@@ -302,6 +302,13 @@ public class TestPolicyEngine {
 		runTestsFromResourceFiles(resourceFiles);
 	}
 
+	@Test
+	public void testPolicyEngine_atlas() {
+		String[] resourceFiles = { "/policyengine/test_policyengine_atlas.json" };
+
+		runTestsFromResourceFiles(resourceFiles);
+	}
+
 	private void runTestsFromResourceFiles(String[] resourceNames) {
 		for(String resourceName : resourceNames) {
 			InputStream inStream = this.getClass().getResourceAsStream(resourceName);

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/test/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcherTest.java
----------------------------------------------------------------------
diff --git a/agents-common/src/test/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcherTest.java b/agents-common/src/test/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcherTest.java
index e2c7c27..e31437f 100644
--- a/agents-common/src/test/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcherTest.java
+++ b/agents-common/src/test/java/org/apache/ranger/plugin/resourcematcher/RangerAbstractResourceMatcherTest.java
@@ -42,7 +42,7 @@ public class RangerAbstractResourceMatcherTest {
     static class AbstractMatcherWrapper extends RangerAbstractResourceMatcher {
 
         @Override
-        public boolean isMatch(String resource, Map<String, Object> evalContext) {
+        public boolean isMatch(Object resource, Map<String, Object> evalContext) {
             fail("This method is not expected to be used by test!");
             return false;
         }

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/agents-common/src/test/resources/policyengine/test_policyengine_atlas.json
----------------------------------------------------------------------
diff --git a/agents-common/src/test/resources/policyengine/test_policyengine_atlas.json b/agents-common/src/test/resources/policyengine/test_policyengine_atlas.json
new file mode 100644
index 0000000..1f7c93b
--- /dev/null
+++ b/agents-common/src/test/resources/policyengine/test_policyengine_atlas.json
@@ -0,0 +1,120 @@
+{
+  "serviceName":"atlasdev",
+
+  "serviceDef":{
+    "name":"atlas",
+    "id":3,
+    "resources":[
+      {"name":"entity-type","level":1,"mandatory":true,"lookupSupported":true,"matcher":"org.apache.ranger.plugin.resourcematcher.RangerDefaultResourceMatcher","matcherOptions":{"wildCard":true, "ignoreCase":true},"label":"Entity Type","description":"Entity Type"},
+      {"name":"entity-classification","level":2,"parent":"entity-type","mandatory":true,"lookupSupported":true,"matcher":"org.apache.ranger.plugin.resourcematcher.RangerDefaultResourceMatcher","matcherOptions":{"wildCard":true, "ignoreCase":true},"label":"Entity Classification","description":"Entity Classification"},
+      {"name":"entity","level":2,"parent":"entity-classification","mandatory":true,"lookupSupported":true,"matcher":"org.apache.ranger.plugin.resourcematcher.RangerDefaultResourceMatcher","matcherOptions":{"wildCard":true, "ignoreCase":true},"label":"Entity ID","description":"Entity ID"}
+    ],
+    "accessTypes":[
+      {"name":"entity-read","label":"Read Entity"},
+      {"name":"entity-create","label":"Create Entity"},
+      {"name":"entity-update","label":"Update Entity"},
+      {"name":"entity-delete","label":"Delete Entity"},
+      {"name":"entity-read-classification","label":"Read Entity Classification"},
+      {"name":"entity-add-classification","label":"Add Entity Classification"},
+      {"name":"entity-update-classification","label":"Update Entity Classification"},
+      {"name":"entity-remove-classification","label":"Remove Entity Classification"}
+    ]
+  },
+
+  "policies":[
+    {"id":1,"name":"policy for DataSets","isEnabled":true,"isAuditEnabled":true,
+     "resources":{"entity-type":{"values":["DataSet"]},"entity-classification":{"values":["*"]},"entity":{"values":["*"]}},
+     "policyItems":[
+       {"accesses":[{"type":"entity-read", "isAllowed":true}],"users":[],"groups":["data-stewards"],"delegateAdmin":false}
+     ]
+    }
+    ,
+    {"id":2,"name":"policy for hive_table","isEnabled":true,"isAuditEnabled":true,
+      "resources":{"entity-type":{"values":["hive_table"]},"entity-classification":{"values":["*"]},"entity":{"values":["*"]}},
+      "policyItems":[
+        {"accesses":[{"type":"entity-read", "isAllowed":true}],"users":[],"groups":["hive-admins"],"delegateAdmin":false}
+      ]
+    }
+    ,
+    {"id":10,"name":"policy for PII classification","isEnabled":true,"isAuditEnabled":true,
+      "resources":{"entity-type":{"values":["hive_table"]},"entity-classification":{"values":["PII"]},"entity":{"values":["*"]}},
+      "policyItems":[
+        {"accesses":[{"type":"entity-read", "isAllowed":true}],"users":[],"groups":["privacy-officers"],"delegateAdmin":false}
+      ]
+    }
+    ,
+    {"id":20,"name":"policy for EMAIL_PII classification","isEnabled":true,"isAuditEnabled":true,
+      "resources":{"entity-type":{"values":["hive_table"]},"entity-classification":{"values":["EMAIL_PII"]},"entity":{"values":["*"]}},
+      "policyItems":[
+        {"accesses":[{"type":"entity-read", "isAllowed":true}],"users":[],"groups":["email-admins"],"delegateAdmin":false}
+      ]
+    }
+  ],
+
+  "tests":[
+    {"name":"DataSet read by a data-steward",
+      "request":{
+        "resource":{"elements":{"entity-type":"DataSet", "entity-classification":[]}, "entity":"default@cl1"},
+        "accessType":"entity-read","user":"user1","userGroups":["data-stewards"]
+      },
+      "result":{"isAudited":true,"isAllowed":true,"policyId":1}
+    }
+    ,
+    {"name":"DataSet read by a hive-admin",
+      "request":{
+        "resource":{"elements":{"entity-type":"DataSet", "entity-classification":""}, "entity":"default@cl1"},
+        "accessType":"entity-read","user":"user1","userGroups":["hive-admins"]
+      },
+      "result":{"isAudited":true,"isAllowed":false,"policyId":-1}
+    }
+    ,
+    {"name":"hive_table read by a data-steward",
+      "request":{
+        "resource":{"elements":{"entity-type":["hive_table", "DataSet"], "entity-classification":""}, "entity":"default.testtable@cl1"},
+        "accessType":"entity-read","user":"user1","userGroups":["data-stewards"]
+      },
+      "result":{"isAudited":true,"isAllowed":true,"policyId":1}
+    }
+    ,
+    {"name":"hive_table read by a hive-admin",
+      "request":{
+        "resource":{"elements":{"entity-type":["hive_table", "DataSet"], "entity-classification":""}, "entity":"default.testtable@cl1"},
+        "accessType":"entity-read","user":"user1","userGroups":["hive-admins"]
+      },
+      "result":{"isAudited":true,"isAllowed":true,"policyId":2}
+    }
+    ,
+    {"name":"PII hive_table read by a privacy-officer",
+      "request":{
+        "resource":{"elements":{"entity-type":["hive_table", "DataSet"], "entity-classification":["PII"]}, "entity":"default.testtable@cl1"},
+        "accessType":"entity-read","user":"user1","userGroups":["privacy-officers"]
+      },
+      "result":{"isAudited":true,"isAllowed":true,"policyId":10}
+    }
+    ,
+    {"name":"PII hive_table read by a email-admin",
+      "request":{
+        "resource":{"elements":{"entity-type":["hive_table", "DataSet"], "entity-classification":["PII"]}, "entity":"default.testtable@cl1"},
+        "accessType":"entity-read","user":"user1","userGroups":["email-admins"]
+      },
+      "result":{"isAudited":true,"isAllowed":false,"policyId":-1}
+    }
+    ,
+    {"name":"EMAIL_PII hive_table read by a privacy-officer",
+      "request":{
+        "resource":{"elements":{"entity-type":["hive_table", "DataSet"], "entity-classification":["PII", "EMAIL_PII"]}, "entity":"default.testtable@cl1"},
+        "accessType":"entity-read","user":"user1","userGroups":["privacy-officers"]
+      },
+      "result":{"isAudited":true,"isAllowed":true,"policyId":10}
+    }
+    ,
+    {"name":"EMAIL_PII hive_table read by a email-admin",
+      "request":{
+        "resource":{"elements":{"entity-type":["hive_table", "DataSet"], "entity-classification":["PII", "EMAIL_PII"]}, "entity":"default.testtable@cl1"},
+        "accessType":"entity-read","user":"user1","userGroups":["email-admins"]
+      },
+      "result":{"isAudited":true,"isAllowed":true,"policyId":20}
+    }
+  ]
+}
+

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveResource.java
----------------------------------------------------------------------
diff --git a/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveResource.java b/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveResource.java
index e4eafc6..48b8cb2 100644
--- a/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveResource.java
+++ b/hive-agent/src/main/java/org/apache/ranger/authorization/hive/authorizer/RangerHiveResource.java
@@ -89,22 +89,22 @@ public class RangerHiveResource extends RangerAccessResourceImpl {
 	}
 
 	public String getDatabase() {
-		return getValue(KEY_DATABASE);
+		return (String) getValue(KEY_DATABASE);
 	}
 
 	public String getTable() {
-		return getValue(KEY_TABLE);
+		return (String) getValue(KEY_TABLE);
 	}
 
 	public String getUdf() {
-		return getValue(KEY_UDF);
+		return (String) getValue(KEY_UDF);
 	}
 
 	public String getColumn() {
-		return getValue(KEY_COLUMN);
+		return (String) getValue(KEY_COLUMN);
 	}
 
 	public String getUrl() {
-		return getValue(KEY_URL);
+		return (String) getValue(KEY_URL);
 	}
 }

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/ranger-tools/src/main/java/org/apache/ranger/policyengine/perftest/v2/RangerPolicyFactory.java
----------------------------------------------------------------------
diff --git a/ranger-tools/src/main/java/org/apache/ranger/policyengine/perftest/v2/RangerPolicyFactory.java b/ranger-tools/src/main/java/org/apache/ranger/policyengine/perftest/v2/RangerPolicyFactory.java
index 0008808..cef7bd9 100644
--- a/ranger-tools/src/main/java/org/apache/ranger/policyengine/perftest/v2/RangerPolicyFactory.java
+++ b/ranger-tools/src/main/java/org/apache/ranger/policyengine/perftest/v2/RangerPolicyFactory.java
@@ -179,7 +179,7 @@ public class RangerPolicyFactory {
 		return accessRequest;
 	}
 
-	private static ImmutableMap<String, String> createResourceElements(boolean shouldEvaluateToTrue) {
+	private static ImmutableMap<String, Object> createResourceElements(boolean shouldEvaluateToTrue) {
 		String database = String.format("db_%s", System.nanoTime());
 		String table = String.format("table_%s", System.nanoTime());
 		String column = String.format("column_%s", System.nanoTime());

http://git-wip-us.apache.org/repos/asf/ranger/blob/6cc62086/security-admin/src/main/java/org/apache/ranger/rest/ServiceREST.java
----------------------------------------------------------------------
diff --git a/security-admin/src/main/java/org/apache/ranger/rest/ServiceREST.java b/security-admin/src/main/java/org/apache/ranger/rest/ServiceREST.java
index 5b7d085..cb7ca52 100644
--- a/security-admin/src/main/java/org/apache/ranger/rest/ServiceREST.java
+++ b/security-admin/src/main/java/org/apache/ranger/rest/ServiceREST.java
@@ -58,6 +58,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.ranger.admin.client.datatype.RESTResponse;
 import org.apache.ranger.authorization.hadoop.config.RangerConfiguration;
+import org.apache.ranger.authorization.utils.StringUtil;
 import org.apache.ranger.biz.AssetMgr;
 import org.apache.ranger.biz.RangerBizUtil;
 import org.apache.ranger.biz.ServiceDBStore;
@@ -506,7 +507,7 @@ public class ServiceREST {
 		List<RangerPolicy> ret = new ArrayList<>();
 
 		List<RangerService> services = new ArrayList<>();
-		Map<String, String> resource = new HashMap<>();
+		Map<String, Object> resource = new HashMap<>();
 
 		String validationMessage = validateResourcePoliciesRequest(serviceDefName, serviceName, request, services, resource);
 
@@ -542,7 +543,7 @@ public class ServiceREST {
 		return ret;
 	}
 
-	private String validateResourcePoliciesRequest(String serviceDefName, String serviceName, HttpServletRequest request, List<RangerService> services, Map<String, String> resource) {
+	private String validateResourcePoliciesRequest(String serviceDefName, String serviceName, HttpServletRequest request, List<RangerService> services, Map<String, Object> resource) {
 		if (LOG.isDebugEnabled()) {
 			LOG.debug("==> ServiceREST.validatePoliciesForResourceRequest(service-type=" + serviceDefName + ", service-name=" + serviceName + ")");
 		}
@@ -1065,7 +1066,7 @@ public class ServiceREST {
 					validateGrantRevokeRequest(grantRequest);
 					String               userName   = grantRequest.getGrantor();
 					Set<String>          userGroups = userMgr.getGroupsForUser(userName);
-					RangerAccessResource resource   = new RangerAccessResourceImpl(grantRequest.getResource());
+					RangerAccessResource resource   = new RangerAccessResourceImpl(StringUtil.toStringObjectMap(grantRequest.getResource()));
 	
 					boolean isAdmin = hasAdminAccess(serviceName, userName, userGroups, resource);
 
@@ -1098,7 +1099,7 @@ public class ServiceREST {
 			
 						if(! CollectionUtils.isEmpty(resourceNames)) {
 							for(String resourceName : resourceNames) {
-								RangerPolicyResource policyResource = new RangerPolicyResource(resource.getValue(resourceName));
+								RangerPolicyResource policyResource = new RangerPolicyResource((String) resource.getValue(resourceName));
 								policyResource.setIsRecursive(grantRequest.getIsRecursive());
 		
 								policyResources.put(resourceName, policyResource);
@@ -1162,7 +1163,7 @@ public class ServiceREST {
 
 					String               userName   = grantRequest.getGrantor();
 					Set<String>          userGroups = userMgr.getGroupsForUser(userName);
-					RangerAccessResource resource   = new RangerAccessResourceImpl(grantRequest.getResource());
+					RangerAccessResource resource   = new RangerAccessResourceImpl(StringUtil.toStringObjectMap(grantRequest.getResource()));
 					boolean isAdmin = hasAdminAccess(serviceName, userName, userGroups, resource);
 
 					XXService xService = daoManager.getXXService().findByName(serviceName);
@@ -1210,7 +1211,7 @@ public class ServiceREST {
 
 							if(! CollectionUtils.isEmpty(resourceNames)) {
 								for(String resourceName : resourceNames) {
-									RangerPolicyResource policyResource = new RangerPolicyResource(resource.getValue(resourceName));
+									RangerPolicyResource policyResource = new RangerPolicyResource((String) resource.getValue(resourceName));
 									policyResource.setIsRecursive(grantRequest.getIsRecursive());
 
 									policyResources.put(resourceName, policyResource);
@@ -1277,7 +1278,7 @@ public class ServiceREST {
 
 					String               userName   = revokeRequest.getGrantor();
 					Set<String>          userGroups =  userMgr.getGroupsForUser(userName);
-					RangerAccessResource resource   = new RangerAccessResourceImpl(revokeRequest.getResource());
+					RangerAccessResource resource   = new RangerAccessResourceImpl(StringUtil.toStringObjectMap(revokeRequest.getResource()));
 
 					boolean isAdmin = hasAdminAccess(serviceName, userName, userGroups, resource);
 
@@ -1338,7 +1339,7 @@ public class ServiceREST {
 
 					String               userName   = revokeRequest.getGrantor();
 					Set<String>          userGroups =  userMgr.getGroupsForUser(userName);
-					RangerAccessResource resource   = new RangerAccessResourceImpl(revokeRequest.getResource());
+					RangerAccessResource resource   = new RangerAccessResourceImpl(StringUtil.toStringObjectMap(revokeRequest.getResource()));
 					boolean isAdmin = hasAdminAccess(serviceName, userName, userGroups, resource);
 					boolean isAllowed = false;
 					boolean isKeyAdmin = bizUtil.isKeyAdmin();