forked from openrs2/openrs2
parent
508d9526ea
commit
6d43e0392e
@ -0,0 +1,19 @@ |
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package org.openrs2.protocol.common |
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|
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public enum class AntiAliasingMode { |
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NONE, |
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X2, |
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X4; |
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public companion object { |
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private val values = values() |
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public fun fromOrdinal(ordinal: Int): AntiAliasingMode? { |
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return if (ordinal >= 0 && ordinal < values.size) { |
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values[ordinal] |
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} else { |
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null |
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} |
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} |
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} |
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} |
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package org.openrs2.protocol.common |
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public enum class DisplayMode { |
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SD, |
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HD_SMALL, |
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HD, |
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HD_FULLSCREEN; |
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public companion object { |
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private val values = values() |
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public fun fromOrdinal(ordinal: Int): DisplayMode? { |
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return if (ordinal >= 0 && ordinal < values.size) { |
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values[ordinal] |
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} else { |
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null |
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} |
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} |
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} |
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} |
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@ -0,0 +1,30 @@ |
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package org.openrs2.protocol.common |
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import io.netty.buffer.ByteBuf |
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import io.netty.buffer.ByteBufUtil |
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public class Uid private constructor( |
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private val bytes: ByteArray, |
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) { |
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init { |
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require(bytes.size == LENGTH) |
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} |
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public fun write(buf: ByteBuf) { |
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buf.writeBytes(bytes) |
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} |
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|
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public override fun toString(): String { |
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return ByteBufUtil.hexDump(bytes) |
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} |
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public companion object { |
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public const val LENGTH: Int = 24 |
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public fun read(buf: ByteBuf): Uid { |
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val bytes = ByteArray(LENGTH) |
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buf.readBytes(bytes) |
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return Uid(bytes) |
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} |
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} |
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} |
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@ -0,0 +1,24 @@ |
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package org.openrs2.protocol.login.upstream |
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import io.netty.buffer.ByteBuf |
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import jakarta.inject.Inject |
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import jakarta.inject.Singleton |
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import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters |
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import org.openrs2.crypto.StreamCipher |
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import org.openrs2.protocol.VariableShortPacketCodec |
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@Singleton |
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public class GameLoginCodec @Inject constructor( |
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private val key: RSAPrivateCrtKeyParameters, |
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) : VariableShortPacketCodec<LoginRequest.GameLogin>( |
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type = LoginRequest.GameLogin::class.java, |
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opcode = 16, |
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) { |
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override fun decode(input: ByteBuf, cipher: StreamCipher): LoginRequest.GameLogin { |
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return LoginRequest.GameLogin(GameLoginPayload.read(input, key)) |
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} |
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override fun encode(input: LoginRequest.GameLogin, output: ByteBuf, cipher: StreamCipher) { |
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input.payload.write(output, key) |
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} |
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} |
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@ -0,0 +1,143 @@ |
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package org.openrs2.protocol.login.upstream |
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import io.netty.buffer.ByteBuf |
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import org.bouncycastle.crypto.params.RSAKeyParameters |
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import org.openrs2.buffer.readString |
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import org.openrs2.buffer.use |
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import org.openrs2.buffer.writeString |
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import org.openrs2.crypto.Rsa |
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import org.openrs2.crypto.XteaKey |
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import org.openrs2.crypto.rsa |
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import org.openrs2.protocol.common.AntiAliasingMode |
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import org.openrs2.protocol.common.DisplayMode |
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import org.openrs2.protocol.common.Uid |
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import org.openrs2.util.Base37 |
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public data class GameLoginPayload( |
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val build: Int, |
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val advertSuppressed: Boolean, |
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val clientSigned: Boolean, |
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val displayMode: DisplayMode, |
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val canvasWidth: Int, |
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val canvasHeight: Int, |
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val antiAliasingMode: AntiAliasingMode, |
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val uid: Uid, |
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val siteSettings: String, |
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val affiliate: Int, |
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val detailOptions: Int, |
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val verifyId: Int, |
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val js5ArchiveChecksums: List<Int>, |
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// TODO(gpe): XteaKey needs a better name, as it represents an ISAAC key here |
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val key: XteaKey, |
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val username: String, |
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val password: String, |
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) { |
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init { |
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require(js5ArchiveChecksums.size == JS5_ARCHIVES) |
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} |
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internal fun write(buf: ByteBuf, rsaKey: RSAKeyParameters) { |
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buf.writeInt(build) |
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buf.writeByte(0) |
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buf.writeBoolean(advertSuppressed) |
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buf.writeBoolean(clientSigned) |
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buf.writeByte(displayMode.ordinal) |
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buf.writeShort(canvasWidth) |
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buf.writeShort(canvasHeight) |
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buf.writeByte(antiAliasingMode.ordinal) |
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uid.write(buf) |
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buf.writeString(siteSettings) |
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buf.writeInt(affiliate) |
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buf.writeInt(detailOptions) |
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buf.writeShort(verifyId) |
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for (checksum in js5ArchiveChecksums) { |
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buf.writeInt(checksum) |
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} |
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buf.alloc().buffer().use { plaintext -> |
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plaintext.writeByte(Rsa.MAGIC) |
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plaintext.writeInt(key.k0) |
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plaintext.writeInt(key.k1) |
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plaintext.writeInt(key.k2) |
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plaintext.writeInt(key.k3) |
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plaintext.writeLong(Base37.encode(username)) |
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plaintext.writeString(password) |
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plaintext.rsa(rsaKey).use { ciphertext -> |
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buf.writeByte(ciphertext.readableBytes()) |
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buf.writeBytes(ciphertext) |
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} |
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} |
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} |
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public companion object { |
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public const val JS5_ARCHIVES: Int = 29 |
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internal fun read(buf: ByteBuf, rsaKey: RSAKeyParameters): GameLoginPayload { |
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val build = buf.readInt() |
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require(buf.readUnsignedByte().toInt() == 0) { |
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"Unknown byte is non-zero" |
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} |
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val advertSuppressed = buf.readBoolean() |
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val clientSigned = buf.readBoolean() |
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val displayMode = DisplayMode.fromOrdinal(buf.readUnsignedByte().toInt()) |
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?: throw IllegalArgumentException("Invalid DisplayMode") |
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val canvasWidth = buf.readUnsignedShort() |
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val canvasHeight = buf.readUnsignedShort() |
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val antiAliasingMode = AntiAliasingMode.fromOrdinal(buf.readUnsignedByte().toInt()) |
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?: throw IllegalArgumentException("Invalid AntiAliasingMode") |
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val uid = Uid.read(buf) |
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val siteSettings = buf.readString() |
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val affiliate = buf.readInt() |
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val detailOptions = buf.readInt() |
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val verifyId = buf.readUnsignedShort() |
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val js5ArchiveChecksums = mutableListOf<Int>() |
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for (i in 0 until JS5_ARCHIVES) { |
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js5ArchiveChecksums += buf.readInt() |
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} |
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val ciphertextLen = buf.readUnsignedByte().toInt() |
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val ciphertext = buf.readSlice(ciphertextLen) |
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ciphertext.rsa(rsaKey).use { plaintext -> |
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require(plaintext.readUnsignedByte().toInt() == Rsa.MAGIC) { |
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"Invalid RSA magic" |
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} |
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val k0 = plaintext.readInt() |
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val k1 = plaintext.readInt() |
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val k2 = plaintext.readInt() |
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val k3 = plaintext.readInt() |
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val username = plaintext.readLong() |
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val password = plaintext.readString() |
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return GameLoginPayload( |
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build, |
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advertSuppressed, |
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clientSigned, |
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displayMode, |
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canvasWidth, |
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canvasHeight, |
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antiAliasingMode, |
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uid, |
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siteSettings, |
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affiliate, |
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detailOptions, |
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verifyId, |
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js5ArchiveChecksums, |
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XteaKey(k0, k1, k2, k3), |
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Base37.decodeLowerCase(username), |
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password, |
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) |
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} |
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} |
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} |
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} |
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@ -0,0 +1,24 @@ |
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package org.openrs2.protocol.login.upstream |
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|
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import io.netty.buffer.ByteBuf |
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import jakarta.inject.Inject |
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import jakarta.inject.Singleton |
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import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters |
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import org.openrs2.crypto.StreamCipher |
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import org.openrs2.protocol.VariableShortPacketCodec |
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@Singleton |
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public class GameReconnectCodec @Inject constructor( |
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private val key: RSAPrivateCrtKeyParameters, |
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) : VariableShortPacketCodec<LoginRequest.GameReconnect>( |
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type = LoginRequest.GameReconnect::class.java, |
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opcode = 18, |
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) { |
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override fun decode(input: ByteBuf, cipher: StreamCipher): LoginRequest.GameReconnect { |
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return LoginRequest.GameReconnect(GameLoginPayload.read(input, key)) |
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} |
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override fun encode(input: LoginRequest.GameReconnect, output: ByteBuf, cipher: StreamCipher) { |
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input.payload.write(output, key) |
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} |
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} |
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