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Subject [GitHub] [nifi-registry] kevdoran commented on a change in pull request #232: NIFIREG-292 Add DB impls of UserGroupProvider and AccessPolicyProvider
Date Thu, 17 Oct 2019 14:47:26 GMT
kevdoran commented on a change in pull request #232: NIFIREG-292 Add DB impls of UserGroupProvider
and AccessPolicyProvider
URL: https://github.com/apache/nifi-registry/pull/232#discussion_r336050282
 
 

 ##########
 File path: nifi-registry-core/nifi-registry-framework/src/main/java/org/apache/nifi/registry/security/authorization/database/DatabaseAccessPolicyProvider.java
 ##########
 @@ -0,0 +1,122 @@
+/*
+ * 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.nifi.registry.security.authorization.database;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.nifi.registry.properties.NiFiRegistryProperties;
+import org.apache.nifi.registry.properties.util.IdentityMapping;
+import org.apache.nifi.registry.properties.util.IdentityMappingUtil;
+import org.apache.nifi.registry.security.authorization.AuthorizerConfigurationContext;
+import org.apache.nifi.registry.security.authorization.Group;
+import org.apache.nifi.registry.security.authorization.User;
+import org.apache.nifi.registry.security.authorization.annotation.AuthorizerContext;
+import org.apache.nifi.registry.security.authorization.util.AccessPolicyProviderUtils;
+import org.apache.nifi.registry.security.authorization.util.InitialPolicies;
+import org.apache.nifi.registry.security.authorization.util.ResourceAndAction;
+import org.apache.nifi.registry.security.exception.SecurityProviderCreationException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.util.CollectionUtils;
+
+import javax.sql.DataSource;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * The NiFi Registry specific implementation of an ConfigurableAccessPolicyProvider backed
by database.
+ */
+public class DatabaseAccessPolicyProvider extends AbstractDatabaseAccessPolicyProvider {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(DatabaseAccessPolicyProvider.class);
+
+    private DataSource dataSource;
+    private NiFiRegistryProperties properties;
+
+    @AuthorizerContext
+    public void setDataSource(final DataSource dataSource) {
+        this.dataSource = dataSource;
+    }
+
+    @AuthorizerContext
+    public void setProperties(final NiFiRegistryProperties properties) {
+        this.properties = properties;
+    }
+
+    @Override
+    protected DataSource getDataSource() {
+        return dataSource;
+    }
+
+    @Override
+    protected void populateInitialPolicies(final AuthorizerConfigurationContext configurationContext)
{
+        final List<IdentityMapping> identityMappings = Collections.unmodifiableList(IdentityMappingUtil.getIdentityMappings(properties));
+        final List<IdentityMapping> groupMappings = Collections.unmodifiableList(IdentityMappingUtil.getGroupMappings(properties));
+
+        final String initialAdminIdentity = AccessPolicyProviderUtils.getInitialAdminIdentity(configurationContext,
identityMappings);
+        final Set<String> nifiIdentities = AccessPolicyProviderUtils.getNiFiIdentities(configurationContext,
identityMappings);
+        final String nifiGroupName = AccessPolicyProviderUtils.getNiFiGroupName(configurationContext,
groupMappings);
+
+        if (!StringUtils.isBlank(initialAdminIdentity)) {
+            LOGGER.info("Populating authorizations for Initial Admin: '" + initialAdminIdentity
+ "'");
+            populateInitialAdmin(initialAdminIdentity);
+        }
+
+        if (!CollectionUtils.isEmpty(nifiIdentities)) {
+            LOGGER.info("Populating authorizations for NiFi identities: [{}]", StringUtils.join(nifiIdentities,
";"));
+            populateNiFiIdentities(nifiIdentities);
+        }
+
+        if (!StringUtils.isBlank(nifiGroupName)) {
+            LOGGER.info("Populating authorizations for NiFi Group: '" + nifiGroupName + "'");
+            populateNiFiGroup(nifiGroupName);
+        }
+    }
+
 
 Review comment:
   Cool that all sounds good. Good point about the DataSource not always being available depending
on the app/context.

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