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Desensitize LightAppElem.data

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This commit is contained in:
Him188 2022-05-19 14:49:27 +01:00
parent 54b3bf405f
commit 149b77c05b
2 changed files with 21 additions and 2 deletions
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19
mirai-core/src/commonMain/kotlin/network/protocol/data/proto/Msg.kt
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@ -13,9 +13,12 @@ import kotlinx.serialization.Serializable
import kotlinx.serialization.protobuf.ProtoIntegerType
import kotlinx.serialization.protobuf.ProtoNumber
import kotlinx.serialization.protobuf.ProtoType
import net.mamoe.mirai.internal.utils.io.NestedStructure
import net.mamoe.mirai.internal.utils.io.NestedStructureDesensitizer
import net.mamoe.mirai.internal.utils.io.ProtoBuf
import net.mamoe.mirai.internal.utils.structureToStringIfAvailable
import net.mamoe.mirai.utils.EMPTY_BYTE_ARRAY
import net.mamoe.mirai.utils.unzip
@Serializable
internal class ImCommon : ProtoBuf {
@ -538,10 +541,26 @@ internal class ImMsgBody : ProtoBuf {
@Serializable
internal class LightAppElem(
@NestedStructure(LightAppElemDesensitizer::class)
@ProtoNumber(1) @JvmField val data: ByteArray = EMPTY_BYTE_ARRAY,
@ProtoNumber(2) @JvmField val msgResid: ByteArray = EMPTY_BYTE_ARRAY,
) : ProtoBuf
internal object LightAppElemDesensitizer : NestedStructureDesensitizer<LightAppElem, ByteArray> {
// unzip
override fun deserialize(context: LightAppElem, byteArray: ByteArray): ByteArray {
if (byteArray.isEmpty()) return byteArray
return when (byteArray[0].toInt()) {
0 -> byteArrayOf(0) + byteArray.decodeToString(startIndex = 1).toByteArray()
1 -> byteArrayOf(0) + byteArray.unzip(offset = 1).decodeToString().toByteArray()
else -> error("unknown compression flag=${byteArray[0]}")
}
}
}
@Serializable
internal class LocationInfo(
@ProtoNumber(1) @JvmField val longitude: Double = 0.0,

4
mirai-core/src/commonMain/kotlin/utils/io/ProtocolStruct.kt
View File

@ -1,5 +1,5 @@
/*
* Copyright 2019-2021 Mamoe Technologies and contributors.
* Copyright 2019-2022 Mamoe Technologies and contributors.
*
* 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
* Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
@ -21,6 +21,6 @@ internal annotation class NestedStructure(
val serializer: KClass<out NestedStructureDesensitizer<*, *>>
)
internal interface NestedStructureDesensitizer<in C : ProtocolStruct, T : ProtocolStruct> {
internal interface NestedStructureDesensitizer<in C : ProtocolStruct, T> {
fun deserialize(context: C, byteArray: ByteArray): T?
}