mirror of https://github.com/GeyserMC/Geyser.git
104 lines
3.8 KiB
Java
104 lines
3.8 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.text;
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import com.fasterxml.jackson.annotation.JacksonAnnotationsInside;
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import com.fasterxml.jackson.core.JsonGenerator;
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import com.fasterxml.jackson.databind.BeanProperty;
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import com.fasterxml.jackson.databind.JsonSerializer;
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import com.fasterxml.jackson.databind.SerializerProvider;
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import com.fasterxml.jackson.databind.annotation.JsonSerialize;
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import com.fasterxml.jackson.databind.ser.ContextualSerializer;
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import com.fasterxml.jackson.databind.ser.std.StdSerializer;
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import java.io.IOException;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import java.util.Optional;
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public class AsteriskSerializer extends StdSerializer<Object> implements ContextualSerializer {
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public static final String[] NON_SENSITIVE_ADDRESSES = {"", "0.0.0.0", "localhost", "127.0.0.1", "auto", "unknown"};
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public static boolean showSensitive = false;
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@Target({ElementType.FIELD})
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@Retention(RetentionPolicy.RUNTIME)
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@JacksonAnnotationsInside
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@JsonSerialize(using = AsteriskSerializer.class)
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public @interface Asterisk {
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String value() default "***";
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/**
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* If true, this value will be shown if {@link #showSensitive} is true, or if the IP is determined to not be a public IP
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*
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* @return true if this should be analyzed and treated as an IP
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*/
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boolean isIp() default false;
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}
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String asterisk;
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boolean isIp;
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public AsteriskSerializer() {
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super(Object.class);
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}
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public AsteriskSerializer(String asterisk, boolean isIp) {
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super(Object.class);
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this.asterisk = asterisk;
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this.isIp = isIp;
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}
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@Override
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public JsonSerializer<?> createContextual(SerializerProvider serializerProvider, BeanProperty property) {
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Optional<Asterisk> anno = Optional.ofNullable(property)
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.map(prop -> prop.getAnnotation(Asterisk.class));
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return new AsteriskSerializer(anno.map(Asterisk::value).orElse(null), anno.map(Asterisk::isIp).orElse(null));
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}
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@Override
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public void serialize(Object obj, JsonGenerator gen, SerializerProvider prov) throws IOException {
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if (isIp && (showSensitive || !isSensitiveIp((String) obj))) {
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gen.writeObject(obj);
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return;
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}
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gen.writeString(asterisk);
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}
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private boolean isSensitiveIp(String ip) {
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for (String address : NON_SENSITIVE_ADDRESSES) {
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if (address.equalsIgnoreCase(ip)) {
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return false;
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}
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}
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return true;
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}
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}
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