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[Improvement] Use safe constructor with snake yaml (#15758)
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...common/src/main/java/org/apache/dolphinscheduler/common/utils/ClassFilterConstructor.java
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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. | ||
* | ||
*/ | ||
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package org.apache.dolphinscheduler.common.utils; | ||
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import lombok.extern.slf4j.Slf4j; | ||
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import org.yaml.snakeyaml.LoaderOptions; | ||
import org.yaml.snakeyaml.constructor.Constructor; | ||
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/** | ||
* Whitelist constructor implementation for YAML snake. | ||
* Copied from Apache ShardingSphere and Apache Skywalking. | ||
*/ | ||
@Slf4j | ||
public final class ClassFilterConstructor extends Constructor { | ||
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private final Class<?>[] acceptClasses; | ||
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public ClassFilterConstructor(final Class<?>[] acceptClasses) { | ||
super(new LoaderOptions()); | ||
this.acceptClasses = acceptClasses; | ||
} | ||
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@Override | ||
protected Class<?> getClassForName(final String name) throws ClassNotFoundException { | ||
for (Class<? extends Object> each : acceptClasses) { | ||
if (name.equals(each.getName())) { | ||
log.info("name - {} : class - {}", name, super.getClassForName(name)); | ||
return super.getClassForName(name); | ||
} | ||
} | ||
throw new IllegalArgumentException(String.format("Class is not accepted: %s", name)); | ||
} | ||
} |
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