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Check texture data is actually valid

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This commit is contained in:
fullwall 2021-01-10 23:52:24 +08:00
parent 7023ac4c54
commit 261ac1b4b1
1 changed files with 6 additions and 0 deletions
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6
main/src/main/java/net/citizensnpcs/trait/SkinTrait.java
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@ -1,6 +1,8 @@
package net.citizensnpcs.trait;
import com.google.common.base.Charsets;
import com.google.common.base.Preconditions;
import com.google.common.io.BaseEncoding;
import net.citizensnpcs.Settings.Setting;
import net.citizensnpcs.api.npc.NPC;
@ -196,6 +198,10 @@ public class SkinTrait extends Trait {
Preconditions.checkNotNull(data);
setSkinNameInternal(skinName);
String json = new String(BaseEncoding.base64().decode(textureRaw), Charsets.UTF_8);
if (!json.contains("textures")) {
throw new IllegalArgumentException("Invalid texture data");
}
this.signature = signature;
this.textureRaw = data;
this.updateSkins = false;