forked from openrs2/openrs2
A small number of packets have encrypted payloads. Signed-off-by: Graham <gpe@openrs2.org>bzip2
parent
a50e0ea998
commit
55d72dacbe
@ -1,16 +1,17 @@ |
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package org.openrs2.protocol |
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import io.netty.buffer.ByteBuf |
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import org.openrs2.crypto.StreamCipher |
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public abstract class EmptyPacketCodec<T : Packet>( |
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private val packet: T, |
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opcode: Int |
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) : PacketCodec<T>(packet.javaClass, opcode, length = 0) { |
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override fun decode(input: ByteBuf): T { |
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override fun decode(input: ByteBuf, cipher: StreamCipher): T { |
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return packet |
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} |
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override fun encode(input: T, output: ByteBuf) { |
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override fun encode(input: T, output: ByteBuf, cipher: StreamCipher) { |
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// empty |
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} |
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} |
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@ -1,18 +1,19 @@ |
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package org.openrs2.protocol |
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import io.netty.buffer.ByteBuf |
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import org.openrs2.crypto.StreamCipher |
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internal object FixedPacketCodec : PacketCodec<FixedPacket>( |
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type = FixedPacket::class.java, |
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opcode = 0, |
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length = 4 |
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) { |
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override fun decode(input: ByteBuf): FixedPacket { |
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override fun decode(input: ByteBuf, cipher: StreamCipher): FixedPacket { |
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val value = input.readInt() |
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return FixedPacket(value) |
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} |
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override fun encode(input: FixedPacket, output: ByteBuf) { |
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override fun encode(input: FixedPacket, output: ByteBuf, cipher: StreamCipher) { |
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output.writeInt(input.value) |
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} |
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} |
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@ -1,18 +1,19 @@ |
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package org.openrs2.protocol |
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import io.netty.buffer.ByteBuf |
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import org.openrs2.crypto.StreamCipher |
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internal object LengthMismatchPacketCodec : PacketCodec<FixedPacket>( |
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type = FixedPacket::class.java, |
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opcode = 0, |
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length = 5 |
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) { |
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override fun decode(input: ByteBuf): FixedPacket { |
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override fun decode(input: ByteBuf, cipher: StreamCipher): FixedPacket { |
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val value = input.readInt() |
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return FixedPacket(value) |
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} |
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override fun encode(input: FixedPacket, output: ByteBuf) { |
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override fun encode(input: FixedPacket, output: ByteBuf, cipher: StreamCipher) { |
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output.writeInt(input.value) |
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} |
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} |
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@ -1,19 +1,20 @@ |
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package org.openrs2.protocol |
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import io.netty.buffer.ByteBuf |
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import org.openrs2.crypto.StreamCipher |
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internal object VariableBytePacketCodec : PacketCodec<VariableBytePacket>( |
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type = VariableBytePacket::class.java, |
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opcode = 1, |
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length = PacketLength.VARIABLE_BYTE |
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) { |
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override fun decode(input: ByteBuf): VariableBytePacket { |
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override fun decode(input: ByteBuf, cipher: StreamCipher): VariableBytePacket { |
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val value = ByteArray(input.readableBytes()) |
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input.readBytes(value) |
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return VariableBytePacket(value) |
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} |
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override fun encode(input: VariableBytePacket, output: ByteBuf) { |
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override fun encode(input: VariableBytePacket, output: ByteBuf, cipher: StreamCipher) { |
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output.writeBytes(input.value) |
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} |
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} |
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@ -1,19 +1,20 @@ |
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package org.openrs2.protocol |
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import io.netty.buffer.ByteBuf |
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import org.openrs2.crypto.StreamCipher |
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internal object VariableShortPacketCodec : PacketCodec<VariableShortPacket>( |
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type = VariableShortPacket::class.java, |
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opcode = 2, |
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length = PacketLength.VARIABLE_SHORT |
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) { |
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override fun decode(input: ByteBuf): VariableShortPacket { |
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override fun decode(input: ByteBuf, cipher: StreamCipher): VariableShortPacket { |
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val value = ByteArray(input.readableBytes()) |
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input.readBytes(value) |
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return VariableShortPacket(value) |
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} |
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override fun encode(input: VariableShortPacket, output: ByteBuf) { |
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override fun encode(input: VariableShortPacket, output: ByteBuf, cipher: StreamCipher) { |
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output.writeBytes(input.value) |
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} |
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} |
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