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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.ranger.plugin.policyengine;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import com.google.gson.reflect.TypeToken;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.MapUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.ranger.audit.provider.AuditHandler;
import org.apache.ranger.audit.provider.AuditProviderFactory;
import org.apache.ranger.authorization.hadoop.config.RangerPluginConfig;
import org.apache.ranger.plugin.audit.RangerDefaultAuditHandler;
import org.apache.ranger.plugin.contextenricher.RangerTagForEval;
import org.apache.ranger.plugin.model.RangerPolicy;
import org.apache.ranger.plugin.model.RangerPolicyDelta;
import org.apache.ranger.plugin.model.RangerRole;
import org.apache.ranger.plugin.model.RangerServiceDef;
import org.apache.ranger.plugin.policyengine.TestPolicyEngineForDeltas.PolicyEngineTestCase.TestData;
import org.apache.ranger.plugin.service.RangerBasePlugin;
import org.apache.ranger.plugin.util.RangerAccessRequestUtil;
import org.apache.ranger.plugin.util.RangerRequestedResources;
import org.apache.ranger.plugin.util.RangerRoles;
import org.apache.ranger.plugin.util.ServicePolicies;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.lang.reflect.Type;
import java.util.Arrays;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import static org.junit.Assert.*;
public class TestPolicyEngineForDeltas {
static RangerPluginContext pluginContext;
static Gson gsonBuilder;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
pluginContext = new RangerPluginContext(new RangerPluginConfig("hive", null, "hive", "cl1", "on-prem", null));
gsonBuilder = new GsonBuilder().setDateFormat("yyyyMMdd-HH:mm:ss.SSSZ")
.setPrettyPrinting()
.registerTypeAdapter(RangerAccessRequest.class, new RangerAccessRequestDeserializer())
.registerTypeAdapter(RangerAccessResource.class, new RangerResourceDeserializer())
.create();
// For setting up auditProvider
Properties auditProperties = new Properties();
String AUDIT_PROPERTIES_FILE = "xasecure-audit.properties";
File propFile = new File(AUDIT_PROPERTIES_FILE);
if (propFile.exists()) {
System.out.println("Loading Audit properties file" + AUDIT_PROPERTIES_FILE);
auditProperties.load(new FileInputStream(propFile));
} else {
System.out.println("Audit properties file missing: " + AUDIT_PROPERTIES_FILE);
auditProperties.setProperty("xasecure.audit.is.enabled", "false"); // Set this to true to enable audit logging
auditProperties.setProperty("xasecure.audit.log4j.is.enabled", "false");
auditProperties.setProperty("xasecure.audit.log4j.is.async", "false");
auditProperties.setProperty("xasecure.audit.log4j.async.max.queue.size", "100000");
auditProperties.setProperty("xasecure.audit.log4j.async.max.flush.interval.ms", "30000");
}
AuditProviderFactory factory = AuditProviderFactory.getInstance();
factory.init(auditProperties, "hdfs"); // second parameter does not matter for v2
AuditHandler provider = factory.getAuditProvider();
System.out.println("provider=" + provider.toString());
File file = File.createTempFile("ranger-admin-test-site", ".xml");
file.deleteOnExit();
FileOutputStream outStream = new FileOutputStream(file);
OutputStreamWriter writer = new OutputStreamWriter(outStream);
/*
// For setting up TestTagProvider
writer.write("<configuration>\n" +
" <property>\n" +
" <name>ranger.plugin.tag.policy.rest.url</name>\n" +
" <value>http://os-def:6080</value>\n" +
" </property>\n" +
" <property>\n" +
" <name>ranger.externalurl</name>\n" +
" <value>http://os-def:6080</value>\n" +
" </property>\n" +
"</configuration>\n");
*/
writer.write("<configuration>\n" +
/*
// For setting up TestTagProvider
" <property>\n" +
" <name>ranger.plugin.tag.policy.rest.url</name>\n" +
" <value>http://os-def:6080</value>\n" +
" </property>\n" +
" <property>\n" +
" <name>ranger.externalurl</name>\n" +
" <value>http://os-def:6080</value>\n" +
" </property>\n" +
*/
// For setting up x-forwarded-for for Hive
" <property>\n" +
" <name>ranger.plugin.hive.use.x-forwarded-for.ipaddress</name>\n" +
" <value>true</value>\n" +
" </property>\n" +
" <property>\n" +
" <name>ranger.plugin.hive.trusted.proxy.ipaddresses</name>\n" +
" <value>255.255.255.255; 128.101.101.101;128.101.101.99</value>\n" +
" </property>\n" +
" <property>\n" +
" <name>ranger.plugin.tag.attr.additional.date.formats</name>\n" +
" <value>abcd||xyz||yyyy/MM/dd'T'HH:mm:ss.SSS'Z'</value>\n" +
" </property>\n" +
" <property>\n" +
" <name>ranger.policyengine.trie.builder.thread.count</name>\n" +
" <value>3</value>\n" +
" </property>\n" +
"</configuration>\n");
writer.close();
pluginContext.getConfig().addResource(new org.apache.hadoop.fs.Path(file.toURI()));
}
@AfterClass
public static void tearDownAfterClass() {
}
@Test
public void testPolicyEngine_hdfs_incremental_delete() {
String[] hdfsTestResourceFiles = {"/policyengine/test_policyengine_hdfs_incremental_delete.json"};
runTestsFromResourceFiles(hdfsTestResourceFiles);
}
private void runTestsFromResourceFiles(String[] resourceNames) {
for(String resourceName : resourceNames) {
InputStream inStream = this.getClass().getResourceAsStream(resourceName);
InputStreamReader reader = new InputStreamReader(inStream);
runTests(reader, resourceName);
}
}
private void runTests(InputStreamReader reader, String testName) {
PolicyEngineTestCase testCase = gsonBuilder.fromJson(reader, PolicyEngineTestCase.class);
assertTrue("invalid input: " + testName, testCase != null && testCase.serviceDef != null && testCase.policies != null && testCase.testsInfo != null && testCase.testsInfo.tests != null);
ServicePolicies servicePolicies = new ServicePolicies();
servicePolicies.setPolicyVersion(100L);
servicePolicies.setServiceName(testCase.serviceName);
servicePolicies.setServiceDef(testCase.serviceDef);
servicePolicies.setPolicies(testCase.policies);
servicePolicies.setSecurityZones(testCase.securityZones);
servicePolicies.setServiceConfig(testCase.serviceConfig);
if (StringUtils.isNotBlank(testCase.auditMode)) {
servicePolicies.setAuditMode(testCase.auditMode);
}
if (null != testCase.tagPolicyInfo) {
ServicePolicies.TagPolicies tagPolicies = new ServicePolicies.TagPolicies();
tagPolicies.setServiceName(testCase.tagPolicyInfo.serviceName);
tagPolicies.setServiceDef(testCase.tagPolicyInfo.serviceDef);
tagPolicies.setPolicies(testCase.tagPolicyInfo.tagPolicies);
tagPolicies.setServiceConfig(testCase.tagPolicyInfo.serviceConfig);
if (StringUtils.isNotBlank(testCase.auditMode)) {
tagPolicies.setAuditMode(testCase.auditMode);
}
servicePolicies.setTagPolicies(tagPolicies);
}
RangerPluginConfig config = pluginContext.getConfig();
boolean useForwardedIPAddress = config.getBoolean(config.getPropertyPrefix() + ".use.x-forwarded-for.ipaddress", false);
String trustedProxyAddressString = config.get(config.getPropertyPrefix() + ".trusted.proxy.ipaddresses");
String[] trustedProxyAddresses = StringUtils.split(trustedProxyAddressString, ';');
if (trustedProxyAddresses != null) {
for (int i = 0; i < trustedProxyAddresses.length; i++) {
trustedProxyAddresses[i] = trustedProxyAddresses[i].trim();
}
}
RangerRoles roles = new RangerRoles();
roles.setServiceName(testCase.serviceName);
roles.setRoleVersion(-1L);
Set<RangerRole> rolesSet = new HashSet<>();
Map<String, Set<String>> userRoleMapping = testCase.userRoles;
Map<String, Set<String>> groupRoleMapping = testCase.groupRoles;
Map<String, Set<String>> roleRoleMapping = testCase.roleRoles;
if (userRoleMapping != null) {
for (Map.Entry<String, Set<String>> userRole : userRoleMapping.entrySet()) {
String user = userRole.getKey();
Set<String> userRoles = userRole.getValue();
RangerRole.RoleMember userRoleMember = new RangerRole.RoleMember(user, true);
List<RangerRole.RoleMember> userRoleMembers = Arrays.asList(userRoleMember);
for (String usrRole : userRoles) {
RangerRole rangerUserRole = new RangerRole(usrRole, usrRole, null, userRoleMembers, null);
rolesSet.add(rangerUserRole);
}
}
}
if (groupRoleMapping != null) {
for (Map.Entry<String, Set<String>> groupRole : groupRoleMapping.entrySet()) {
String group = groupRole.getKey();
Set<String> groupRoles = groupRole.getValue();
RangerRole.RoleMember groupRoleMember = new RangerRole.RoleMember(group, true);
List<RangerRole.RoleMember> groupRoleMembers = Arrays.asList(groupRoleMember);
for (String grpRole : groupRoles) {
RangerRole rangerGroupRole = new RangerRole(grpRole, grpRole, null, null, groupRoleMembers);
rolesSet.add(rangerGroupRole);
}
}
}
if (roleRoleMapping != null) {
for (Map.Entry<String, Set<String>> roleRole : roleRoleMapping.entrySet()) {
String role = roleRole.getKey();
Set<String> roleRoles = roleRole.getValue();
RangerRole.RoleMember roleRoleMember = new RangerRole.RoleMember(role, true);
List<RangerRole.RoleMember> roleRoleMembers = Arrays.asList(roleRoleMember);
for (String rleRole : roleRoles) {
RangerRole rangerRoleRole = new RangerRole(rleRole, rleRole, null, null, null, roleRoleMembers);
rolesSet.add(rangerRoleRole);
}
}
}
roles.setRangerRoles(rolesSet);
RangerPolicyEngineOptions policyEngineOptions = config.getPolicyEngineOptions();
policyEngineOptions.disableAccessEvaluationWithPolicyACLSummary = true;
setPluginConfig(config, ".super.users", testCase.superUsers);
setPluginConfig(config, ".super.groups", testCase.superGroups);
setPluginConfig(config, ".audit.exclude.users", testCase.auditExcludedUsers);
setPluginConfig(config, ".audit.exclude.groups", testCase.auditExcludedGroups);
setPluginConfig(config, ".audit.exclude.roles", testCase.auditExcludedRoles);
// so that setSuperUsersAndGroups(), setAuditExcludedUsersGroupsRoles() will be called on the pluginConfig
new RangerBasePlugin(config);
RangerPolicyEngineImpl policyEngine = new RangerPolicyEngineImpl(servicePolicies, pluginContext, roles);
policyEngine.setUseForwardedIPAddress(useForwardedIPAddress);
policyEngine.setTrustedProxyAddresses(trustedProxyAddresses);
policyEngineOptions.disableAccessEvaluationWithPolicyACLSummary = false;
RangerPolicyEngineImpl policyEngineForEvaluatingWithACLs = new RangerPolicyEngineImpl(servicePolicies, pluginContext, roles);
policyEngineForEvaluatingWithACLs.setUseForwardedIPAddress(useForwardedIPAddress);
policyEngineForEvaluatingWithACLs.setTrustedProxyAddresses(trustedProxyAddresses);
PolicyEngineTestCase.TestsInfo testsInfo = testCase.testsInfo;
do {
runTestCaseTests(policyEngine, policyEngineForEvaluatingWithACLs, testCase.serviceDef, testName, testsInfo.tests);
if (testsInfo.updatedPolicies != null && CollectionUtils.isNotEmpty(testsInfo.updatedPolicies.policyDeltas)) {
servicePolicies.setPolicyDeltas(testsInfo.updatedPolicies.policyDeltas);
servicePolicies.setPolicies(null);
if (MapUtils.isNotEmpty(testsInfo.updatedPolicies.securityZones)) {
servicePolicies.setSecurityZones(testsInfo.updatedPolicies.securityZones);
}
policyEngine = (RangerPolicyEngineImpl) RangerPolicyEngineImpl.getPolicyEngine(policyEngine, servicePolicies);
policyEngineForEvaluatingWithACLs = (RangerPolicyEngineImpl) RangerPolicyEngineImpl.getPolicyEngine(policyEngineForEvaluatingWithACLs, servicePolicies);
if (policyEngine != null && policyEngineForEvaluatingWithACLs != null) {
testsInfo = testsInfo.updatedTestsInfo;
} else {
testsInfo = null;
}
} else {
testsInfo = null;
}
} while (testsInfo != null && testsInfo.tests != null);
}
private void runTestCaseTests(RangerPolicyEngine policyEngine, RangerPolicyEngine policyEngineForEvaluatingWithACLs, RangerServiceDef serviceDef, String testName, List<TestData> tests) {
RangerAccessRequest request;
for(TestData test : tests) {
request = test.request;
if (request.getContext().containsKey(RangerAccessRequestUtil.KEY_CONTEXT_TAGS) ||
request.getContext().containsKey(RangerAccessRequestUtil.KEY_CONTEXT_REQUESTED_RESOURCES)) {
// Create a new AccessRequest
RangerAccessRequestImpl newRequest =
new RangerAccessRequestImpl(request.getResource(), request.getAccessType(),
request.getUser(), request.getUserGroups(), null);
newRequest.setClientType(request.getClientType());
newRequest.setAccessTime(request.getAccessTime());
newRequest.setAction(request.getAction());
newRequest.setRemoteIPAddress(request.getRemoteIPAddress());
newRequest.setForwardedAddresses(request.getForwardedAddresses());
newRequest.setRequestData(request.getRequestData());
newRequest.setSessionId(request.getSessionId());
Map<String, Object> context = request.getContext();
String tagsJsonString = (String) context.get(RangerAccessRequestUtil.KEY_CONTEXT_TAGS);
context.remove(RangerAccessRequestUtil.KEY_CONTEXT_TAGS);
if(!StringUtils.isEmpty(tagsJsonString)) {
try {
Type setType = new TypeToken<Set<RangerTagForEval>>() {
}.getType();
Set<RangerTagForEval> tags = gsonBuilder.fromJson(tagsJsonString, setType);
context.put(RangerAccessRequestUtil.KEY_CONTEXT_TAGS, tags);
} catch (Exception e) {
System.err.println("TestPolicyEngineForDeltas.runTests(): error parsing TAGS JSON string in file " + testName + ", tagsJsonString=" +
tagsJsonString + ", exception=" + e);
}
} else if (request.getContext().containsKey(RangerAccessRequestUtil.KEY_CONTEXT_REQUESTED_RESOURCES)) {
String resourcesJsonString = (String) context.get(RangerAccessRequestUtil.KEY_CONTEXT_REQUESTED_RESOURCES);
context.remove(RangerAccessRequestUtil.KEY_CONTEXT_REQUESTED_RESOURCES);
if (!StringUtils.isEmpty(resourcesJsonString)) {
try {
/*
Reader stringReader = new StringReader(resourcesJsonString);
RangerRequestedResources resources = gsonBuilder.fromJson(stringReader, RangerRequestedResources.class);
*/
Type myType = new TypeToken<RangerRequestedResources>() {
}.getType();
RangerRequestedResources resources = gsonBuilder.fromJson(resourcesJsonString, myType);
context.put(RangerAccessRequestUtil.KEY_CONTEXT_REQUESTED_RESOURCES, resources);
} catch (Exception e) {
System.err.println("TestPolicyEngineForDeltas.runTests(): error parsing REQUESTED_RESOURCES string in file " + testName + ", resourcesJsonString=" +
resourcesJsonString + ", exception=" + e);
}
}
}
newRequest.setContext(context);
// accessResource.ServiceDef is set here, so that we can skip call to policyEngine.preProcess() which
// sets the serviceDef in the resource AND calls enrichers. We dont want enrichers to be called when
// context already contains tags -- This may change when we want enrichers to enrich request in the
// presence of tags!!!
// Safe cast
RangerAccessResourceImpl accessResource = (RangerAccessResourceImpl) request.getResource();
accessResource.setServiceDef(serviceDef);
request = newRequest;
}
RangerAccessResultProcessor auditHandler = new RangerDefaultAuditHandler();
if(test.result != null) {
RangerAccessResult expected = test.result;
RangerAccessResult result;
result = policyEngine.evaluatePolicies(request, RangerPolicy.POLICY_TYPE_ACCESS, auditHandler);
policyEngine.evaluateAuditPolicies(result);
assertNotNull("result was null! - " + test.name, result);
assertEquals("isAllowed mismatched! - " + test.name, expected.getIsAllowed(), result.getIsAllowed());
assertEquals("policy-id mismatched! - " + test.name, expected.getPolicyId(), result.getPolicyId());
assertEquals("isAudited mismatched! - " + test.name, expected.getIsAudited(), result.getIsAudited() && result.getIsAuditedDetermined());
result = policyEngineForEvaluatingWithACLs.evaluatePolicies(request, RangerPolicy.POLICY_TYPE_ACCESS, auditHandler);
policyEngine.evaluateAuditPolicies(result);
assertNotNull("result was null! - " + test.name, result);
assertEquals("isAllowed mismatched! - " + test.name, expected.getIsAllowed(), result.getIsAllowed());
assertEquals("isAudited mismatched! - " + test.name, expected.getIsAudited(), result.getIsAudited());
}
if(test.dataMaskResult != null) {
RangerAccessResult expected = test.dataMaskResult;
RangerAccessResult result;
result = policyEngine.evaluatePolicies(request, RangerPolicy.POLICY_TYPE_DATAMASK, auditHandler);
policyEngine.evaluateAuditPolicies(result);
assertNotNull("result was null! - " + test.name, result);
assertEquals("maskType mismatched! - " + test.name, expected.getMaskType(), result.getMaskType());
assertEquals("maskCondition mismatched! - " + test.name, expected.getMaskCondition(), result.getMaskCondition());
assertEquals("maskedValue mismatched! - " + test.name, expected.getMaskedValue(), result.getMaskedValue());
assertEquals("policyId mismatched! - " + test.name, expected.getPolicyId(), result.getPolicyId());
result = policyEngineForEvaluatingWithACLs.evaluatePolicies(request, RangerPolicy.POLICY_TYPE_DATAMASK, auditHandler);
policyEngine.evaluateAuditPolicies(result);
assertNotNull("result was null! - " + test.name, result);
assertEquals("maskType mismatched! - " + test.name, expected.getMaskType(), result.getMaskType());
assertEquals("maskCondition mismatched! - " + test.name, expected.getMaskCondition(), result.getMaskCondition());
assertEquals("maskedValue mismatched! - " + test.name, expected.getMaskedValue(), result.getMaskedValue());
assertEquals("policyId mismatched! - " + test.name, expected.getPolicyId(), result.getPolicyId());
}
if(test.rowFilterResult != null) {
RangerAccessResult expected = test.rowFilterResult;
RangerAccessResult result;
result = policyEngine.evaluatePolicies(request, RangerPolicy.POLICY_TYPE_ROWFILTER, auditHandler);
policyEngine.evaluateAuditPolicies(result);
assertNotNull("result was null! - " + test.name, result);
assertEquals("filterExpr mismatched! - " + test.name, expected.getFilterExpr(), result.getFilterExpr());
assertEquals("policyId mismatched! - " + test.name, expected.getPolicyId(), result.getPolicyId());
result = policyEngineForEvaluatingWithACLs.evaluatePolicies(request, RangerPolicy.POLICY_TYPE_ROWFILTER, auditHandler);
policyEngine.evaluateAuditPolicies(result);
assertNotNull("result was null! - " + test.name, result);
assertEquals("filterExpr mismatched! - " + test.name, expected.getFilterExpr(), result.getFilterExpr());
assertEquals("policyId mismatched! - " + test.name, expected.getPolicyId(), result.getPolicyId());
}
if(test.resourceAccessInfo != null) {
RangerResourceAccessInfo expected = new RangerResourceAccessInfo(test.resourceAccessInfo);
RangerResourceAccessInfo result = policyEngine.getResourceAccessInfo(test.request);
assertNotNull("result was null! - " + test.name, result);
assertEquals("allowedUsers mismatched! - " + test.name, expected.getAllowedUsers(), result.getAllowedUsers());
assertEquals("allowedGroups mismatched! - " + test.name, expected.getAllowedGroups(), result.getAllowedGroups());
assertEquals("deniedUsers mismatched! - " + test.name, expected.getDeniedUsers(), result.getDeniedUsers());
assertEquals("deniedGroups mismatched! - " + test.name, expected.getDeniedGroups(), result.getDeniedGroups());
}
}
}
private void setPluginConfig(RangerPluginConfig conf, String suffix, Set<String> value) {
conf.set(conf.getPropertyPrefix() + suffix, CollectionUtils.isNotEmpty(value) ? StringUtils.join(value, ',') : "");
}
static class PolicyEngineTestCase {
public String serviceName;
public RangerServiceDef serviceDef;
public List<RangerPolicy> policies;
public TagPolicyInfo tagPolicyInfo;
public Map<String, ServicePolicies.SecurityZoneInfo> securityZones;
public Map<String, Set<String>> userRoles;
public Map<String, Set<String>> groupRoles;
public Map<String, Set<String>> roleRoles;
public String auditMode;
public TestsInfo testsInfo;
//public List<TestData> tests;
public Map<String, String> serviceConfig;
//public UpdatedPolicies updatedPolicies;
//public List<TestData> updatedTests;
public Set<String> superUsers;
public Set<String> superGroups;
public Set<String> auditExcludedUsers;
public Set<String> auditExcludedGroups;
public Set<String> auditExcludedRoles;
static class TestsInfo {
public List<TestData> tests;
public UpdatedPolicies updatedPolicies;
public TestsInfo updatedTestsInfo;
}
static class TestData {
public String name;
public RangerAccessRequest request;
public RangerAccessResult result;
public RangerAccessResult dataMaskResult;
public RangerAccessResult rowFilterResult;
public RangerResourceAccessInfo resourceAccessInfo;
}
static class TagPolicyInfo {
public String serviceName;
public RangerServiceDef serviceDef;
public Map<String, String> serviceConfig;
public List<RangerPolicy> tagPolicies;
}
}
static class UpdatedPolicies {
public Map<String, ServicePolicies.SecurityZoneInfo> securityZones;
public List<RangerPolicyDelta> policyDeltas;
}
static class RangerAccessRequestDeserializer implements JsonDeserializer<RangerAccessRequest> {
@Override
public RangerAccessRequest deserialize(JsonElement jsonObj, Type type,
JsonDeserializationContext context) throws JsonParseException {
RangerAccessRequestImpl ret = gsonBuilder.fromJson(jsonObj, RangerAccessRequestImpl.class);
ret.setAccessType(ret.getAccessType()); // to force computation of isAccessTypeAny and isAccessTypeDelegatedAdmin
if (ret.getAccessTime() == null) {
ret.setAccessTime(new Date());
}
return ret;
}
}
static class RangerResourceDeserializer implements JsonDeserializer<RangerAccessResource> {
@Override
public RangerAccessResource deserialize(JsonElement jsonObj, Type type,
JsonDeserializationContext context) throws JsonParseException {
return gsonBuilder.fromJson(jsonObj, RangerAccessResourceImpl.class);
}
}
}