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108 changes: 108 additions & 0 deletions
108
...sphereex/dbplusengine/authority/distsql/handler/update/AlterDistUserSetAdminExecutor.java
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| @@ -0,0 +1,108 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package com.sphereex.dbplusengine.authority.distsql.handler.update; | ||
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| import com.sphereex.dbplusengine.authority.distsql.handler.converter.AuthorityStatementConverter; | ||
| import com.sphereex.dbplusengine.authority.distsql.segment.DistUserSegment; | ||
| import com.sphereex.dbplusengine.authority.distsql.statement.user.AlterDistUserSetAdminStatement; | ||
| import com.sphereex.dbplusengine.authority.exception.definition.MissingRequiredUserException; | ||
| import com.sphereex.dbplusengine.distsql.handler.aware.DistSQLExecutorGranteeAware; | ||
| import lombok.Setter; | ||
| import org.apache.shardingsphere.authority.config.AuthorityRuleConfiguration; | ||
| import org.apache.shardingsphere.authority.config.UserConfiguration; | ||
| import org.apache.shardingsphere.authority.rule.AuthorityRule; | ||
| import org.apache.shardingsphere.distsql.handler.engine.update.rdl.rule.spi.global.GlobalRuleDefinitionExecutor; | ||
| import org.apache.shardingsphere.infra.exception.core.ShardingSpherePreconditions; | ||
| import org.apache.shardingsphere.infra.metadata.user.Grantee; | ||
| import org.apache.shardingsphere.infra.metadata.user.ShardingSphereUser; | ||
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| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.Optional; | ||
|
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| /** | ||
| * Alter dist user set admin executor. | ||
| */ | ||
| @Setter | ||
| public final class AlterDistUserSetAdminExecutor implements GlobalRuleDefinitionExecutor<AlterDistUserSetAdminStatement, AuthorityRule>, DistSQLExecutorGranteeAware { | ||
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| private AuthorityRule rule; | ||
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| private Grantee grantee; | ||
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| @Override | ||
| public void checkBeforeUpdate(final AlterDistUserSetAdminStatement sqlStatement) { | ||
| if (sqlStatement.isAdmin()) { | ||
| checkNoAdmins(); | ||
| } else { | ||
| checkCurrentUserIsAdmin(); | ||
| checkTargetUserIsAdmin(sqlStatement); | ||
| } | ||
| checkUserExist(sqlStatement); | ||
| } | ||
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| private void checkNoAdmins() { | ||
| Collection<UserConfiguration> users = rule.getConfiguration().getUsers(); | ||
| ShardingSpherePreconditions.checkState(users.stream().noneMatch(UserConfiguration::isAdmin), | ||
| () -> new UnsupportedOperationException("Unsupported when there is already an admin user")); | ||
| } | ||
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| private void checkCurrentUserIsAdmin() { | ||
| Optional<ShardingSphereUser> currentUser = rule.findUser(grantee); | ||
| ShardingSpherePreconditions.checkState(currentUser.isPresent() && currentUser.get().isAdmin(), | ||
| () -> new UnsupportedOperationException("Unsupported because current user is not admin")); | ||
| } | ||
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| private void checkTargetUserIsAdmin(final AlterDistUserSetAdminStatement sqlStatement) { | ||
| Optional<Grantee> toBeAlteredGrantee = rule.getGrantees().stream().filter(each -> each.accept(new Grantee(sqlStatement.getUser().getUser(), sqlStatement.getUser().getHost()))).findFirst(); | ||
| ShardingSpherePreconditions.checkState(toBeAlteredGrantee.isPresent(), () -> new MissingRequiredUserException(Collections.singleton(grantee))); | ||
| Optional<ShardingSphereUser> toBeAlteredUser = rule.findUser(toBeAlteredGrantee.get()); | ||
| ShardingSpherePreconditions.checkState(toBeAlteredUser.isPresent(), () -> new MissingRequiredUserException(Collections.singleton(grantee))); | ||
| ShardingSpherePreconditions.checkState(toBeAlteredUser.get().isAdmin(), | ||
| () -> new UnsupportedOperationException("Unsupported because to be altered user is not admin")); | ||
| } | ||
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| private void checkUserExist(final AlterDistUserSetAdminStatement sqlStatement) { | ||
| DistUserSegment userSegment = sqlStatement.getUser(); | ||
| Grantee grantee = new Grantee(userSegment.getUser(), userSegment.getHost()); | ||
| ShardingSpherePreconditions.checkContains(rule.getGrantees(), grantee, () -> new MissingRequiredUserException(Collections.singleton(grantee))); | ||
| } | ||
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| @Override | ||
| public AuthorityRuleConfiguration buildToBeAlteredRuleConfiguration(final AlterDistUserSetAdminStatement sqlStatement) { | ||
| Optional<Grantee> toBeAlteredGrantee = rule.getGrantees().stream().filter(each -> each.accept(new Grantee(sqlStatement.getUser().getUser(), sqlStatement.getUser().getHost()))).findFirst(); | ||
| ShardingSpherePreconditions.checkState(toBeAlteredGrantee.isPresent(), () -> new MissingRequiredUserException(Collections.singleton(grantee))); | ||
| Optional<ShardingSphereUser> toBeAlteredUser = rule.findUser(toBeAlteredGrantee.get()); | ||
| ShardingSpherePreconditions.checkState(toBeAlteredUser.isPresent(), () -> new MissingRequiredUserException(Collections.singleton(grantee))); | ||
| AuthorityRuleConfiguration result = AuthorityStatementConverter.createAuthorityRuleConfiguration(rule.getConfiguration()); | ||
| result.getUsers().removeIf(each -> new Grantee(each.getUsername(), each.getHostname()).equals(toBeAlteredUser.get().getGrantee())); | ||
| result.getUsers().add(new UserConfiguration(toBeAlteredGrantee.get().getUsername(), | ||
| toBeAlteredUser.get().getPassword(), toBeAlteredGrantee.get().getHostname(), toBeAlteredUser.get().getAuthenticationMethodName(), sqlStatement.isAdmin())); | ||
| return result; | ||
| } | ||
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| @Override | ||
| public Class<AuthorityRule> getRuleClass() { | ||
| return AuthorityRule.class; | ||
| } | ||
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| @Override | ||
| public Class<AlterDistUserSetAdminStatement> getType() { | ||
| return AlterDistUserSetAdminStatement.class; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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|
@@ -254,3 +254,11 @@ FROM | |
| ALL | ||
| : A L L | ||
| ; | ||
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| SET | ||
| : S E T | ||
| ; | ||
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| ADMIN | ||
| : A D M I N | ||
| ; | ||
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36 changes: 36 additions & 0 deletions
36
...phereex/dbplusengine/authority/distsql/statement/user/AlterDistUserSetAdminStatement.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,36 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package com.sphereex.dbplusengine.authority.distsql.statement.user; | ||
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| import com.sphereex.dbplusengine.authority.distsql.segment.DistUserSegment; | ||
| import lombok.Getter; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.apache.shardingsphere.distsql.statement.rdl.rule.global.GlobalRuleDefinitionStatement; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.statement.dcl.DCLStatement; | ||
|
|
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| /** | ||
| * Alter dist user set admin statement. | ||
| */ | ||
| @RequiredArgsConstructor | ||
| @Getter | ||
| public final class AlterDistUserSetAdminStatement extends GlobalRuleDefinitionStatement implements DCLStatement { | ||
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| private final DistUserSegment user; | ||
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| private final boolean admin; | ||
| } |