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/* |
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* This file is part of ArakneUtils. |
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* |
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* ArakneUtils is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* ArakneUtils is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with ArakneUtils. If not, see <https://www.gnu.org/licenses/>. |
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* |
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* Copyright (c) 2017-2020 Vincent Quatrevieux |
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*/ |
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package fr.arakne.utils.maps.serializer; |
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import fr.arakne.utils.encoding.Checksum; |
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import fr.arakne.utils.encoding.Key; |
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/** |
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* Implementation of the map serializer for encrypted map data |
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* Encrypted maps are maps with file name ending with X.swf (ex: 10340_0706131721X.swf) |
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* and require a key sent by the server with the GDM packet |
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* |
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* <code> |
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* MapDataSerializer serializer = new EncryptedMapDataSerializer(Key.parse(gdm.key())); |
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* CellData[] cells = serializer.deserialize(encryptedMapData); |
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* </code> |
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* |
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* https://github.com/Emudofus/Dofus/blob/1.29/dofus/managers/MapsServersManager.as#L137 |
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*/ |
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public final class EncryptedMapDataSerializer implements MapDataSerializer { |
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private final Key key; |
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private final MapDataSerializer plainDataSerializer; |
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public EncryptedMapDataSerializer(Key key) { |
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this(key, new DefaultMapDataSerializer()); |
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} |
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public EncryptedMapDataSerializer(Key key, MapDataSerializer plainDataSerializer) { |
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this.key = key; |
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this.plainDataSerializer = plainDataSerializer; |
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} |
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@Override |
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public CellData[] deserialize(String mapData) { |
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return plainDataSerializer.deserialize(key.cipher().decrypt(mapData, Checksum.integer(key.toString()) * 2)); |
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} |
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@Override |
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public String serialize(CellData[] cells) { |
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return key.cipher().encrypt(plainDataSerializer.serialize(cells), Checksum.integer(key.toString()) * 2); |
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} |
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} |
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Arakne /
ArakneUtils
