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[+] AimeDB client

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Azalea
2025-03-10 12:57:23 -04:00
parent af734b7814
commit c3963e7fe2
4 changed files with 66 additions and 6 deletions
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5
src/main/java/icu/samnyan/aqua/sega/aimedb/AimeDB.kt
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@@ -12,8 +12,6 @@ import io.netty.buffer.Unpooled
import io.netty.channel.ChannelHandler
import io.netty.channel.ChannelHandlerContext
import io.netty.channel.ChannelInboundHandlerAdapter
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import org.springframework.stereotype.Component
import java.nio.charset.StandardCharsets
import java.time.LocalDateTime
@@ -127,8 +125,7 @@ class AimeDB(
*/
fun doFelicaLookupV2(msg: ByteBuf): ByteBuf {
val idm = msg.slice(0x30, 0x38 - 0x30).getLong(0)
val dfc = msg.slice(0x38, 0x40 - 0x38).getLong(0)
logger.info("> Felica Lookup v2 (idm $idm, dfc $dfc)")
logger.info("> Felica Lookup v2 (idm $idm)")
// Get the decimal represent of the hex value, same from minime
val accessCode = idm.toString().replace("-", "").padStart(20, '0')

60
src/main/java/icu/samnyan/aqua/sega/aimedb/AimeDbClient.kt Normal file
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@@ -0,0 +1,60 @@
package icu.samnyan.aqua.sega.aimedb
import icu.samnyan.aqua.sega.aimedb.AimeDbClient.Companion.sendAimePacket
import io.netty.buffer.ByteBuf
import io.netty.buffer.ByteBufUtil
import io.netty.buffer.Unpooled
import java.net.Socket
class AimeDbClient(val gameId: String, val keychipShort: String) {
// https://sega.bsnk.me/allnet/aimedb/common/#packet-header
fun createRequest(type: UShort, writer: ByteBuf.() -> Unit): ByteBuf
= AimeDbEncryption.encrypt(Unpooled.buffer(1024).clear().run {
writeShortLE(0xa13e) // 00 2b: Magic
writeShortLE(0x3087) // 02 2b: Version
writeShortLE(type.toInt()) // 04 2b: Type
writeShortLE(0) // 06 2b: Length
writeShortLE(0) // 08 2b: Result
writeAscii(gameId, 6) // 0A 6b: Game ID
writeIntLE(0) // 10 4b: Store ID (Place ID)
writeAscii(keychipShort, 12) // 14 12b: Keychip ID
writer() // Write Payload
setShortLE(6, writerIndex()) // Update Length
copy(0, writerIndex()) // Trim unused bytes
})
private fun ByteBuf.writeAscii(value: String, length: Int)
= writeBytes(value.toByteArray(Charsets.US_ASCII).copyOf(length))
fun createReqLookupV2(accessCode: String)
= createRequest(0x0fu) {
// Access code is a 20-digit number, should be converted to a 10-byte array
writeBytes(ByteBufUtil.decodeHexDump(accessCode.padStart(20, '0')))
writeByte(0) // 0A 1b: Company code
writeByte(0) // 0B 1b: R/W Firmware version
writeIntLE(0) // 0C 4b: Serial number
}
fun createReqFelicaLookupV2(felicaIdm: String)
= createRequest(0x11u) {
writeBytes(ByteArray(16)) // 00 16b: Random Challenge
// 10 8b: Felica IDm
writeBytes(ByteBufUtil.decodeHexDump(felicaIdm.padStart(16, '0')))
writeBytes(ByteArray(8)) // 18 8b: Felica PMm
writeBytes(ByteArray(16)) // 20 16b: Card key version
writeBytes(ByteArray(16)) // 30 16b: Write count
writeBytes(ByteArray(8)) // 40 8b: MACA
writeByte(0) // 48 1b: Company code
writeByte(0) // 49 1b: R/W Firmware version
writeShortLE(0) // 4A 2b: DFC
writeIntLE(0) // 4C 4b: Unknown padding
}
companion object {
fun ByteBuf.sendAimePacket(server: String): ByteBuf
= Unpooled.wrappedBuffer(Socket(server, 22345).use {
it.getOutputStream().write(array())
it.getInputStream().readBytes()
})
}
}