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[O] Read everything from aimedb

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Azalea
2025-03-20 10:33:13 -04:00
parent e7085f7602
commit 3d93cc300a
1 changed files with 19 additions and 8 deletions
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27
src/main/java/icu/samnyan/aqua/sega/aimedb/AimeDB.kt
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@@ -13,7 +13,7 @@ import io.netty.channel.ChannelHandler
import io.netty.channel.ChannelHandlerContext import io.netty.channel.ChannelHandlerContext
import io.netty.channel.ChannelInboundHandlerAdapter import io.netty.channel.ChannelInboundHandlerAdapter
import org.springframework.stereotype.Component import org.springframework.stereotype.Component
import java.nio.charset.StandardCharsets import java.nio.charset.StandardCharsets.US_ASCII
import java.time.LocalDateTime import java.time.LocalDateTime
import kotlin.jvm.optionals.getOrNull import kotlin.jvm.optionals.getOrNull
@@ -29,13 +29,24 @@ class AimeDB(
): ChannelInboundHandlerAdapter() { ): ChannelInboundHandlerAdapter() {
val logger = logger() val logger = logger()
data class AimeBaseInfo(val gameId: String, val keychipId: String) data class AimeBaseInfo(
val magic: UInt, val version: UInt, val responseCode: UInt, val length: UInt,
fun getBaseInfo(input: ByteBuf) = AimeBaseInfo( val status: UInt, val gameId: String, val storeId: UInt, val keychipId: String
gameId = input.toString(0x0a, 0x0e - 0x0a, StandardCharsets.US_ASCII),
keychipId = input.toString(0x14, 0x1f - 0x14, StandardCharsets.US_ASCII)
) )
fun ByteBuf.decodeHeader() = AimeBaseInfo(
magic = readShortLE().toUInt(), // 00 2b
version = readShortLE().toUInt(), // 02 2b
responseCode = readShortLE().toUInt(), // 04 2b
length = readShortLE().toUInt(), // 06 2b
status = readShortLE().toUInt(), // 08 2b
gameId = readPaddedString(6u), // 0a 6b
storeId = readIntLE().toUInt(), // 10 4b
keychipId = readPaddedString(12u) // 14 12b
)
fun ByteBuf.readPaddedString(maxLen: UInt) = readBytes(maxLen.toInt()).toString(US_ASCII).trimEnd('\u0000')
data class Handler(val name: String, val fn: (ByteBuf) -> ByteBuf?) data class Handler(val name: String, val fn: (ByteBuf) -> ByteBuf?)
final val handlers = mapOf( final val handlers = mapOf(
@@ -60,10 +71,10 @@ class AimeDB(
try { try {
val type = msg["type"] as Int val type = msg["type"] as Int
val data = msg["data"] as ByteBuf val data = msg["data"] as ByteBuf
val base = getBaseInfo(data) val base = data.decodeHeader()
val handler = handlers[type] ?: return logger.error("AimeDB: Unknown request type 0x${type.toString(16)}") val handler = handlers[type] ?: return logger.error("AimeDB: Unknown request type 0x${type.toString(16)}")
logger.info("AimeDB /${handler.name} : (game ${base.gameId}, keychip ${base.keychipId})") logger.info("AimeDB /${handler.name} : $base")
// Check keychip // Check keychip
// We do not check for type 0x13 because of a bug in duolinguo.dll // We do not check for type 0x13 because of a bug in duolinguo.dll