Add unknown statuses

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/OnlineStatus.kt

@@ -26,13 +26,18 @@ enum class OnlineStatus(
      */
     OFFLINE(0x02u),
 
-    /**
-     * ?
-     */
-    UNKNOWN(0x20u)
+    UNKNOWN1(0x20u),
+    UNKNOWN2(0x46u),
+    UNKNOWN3(0x14u),
+    UNKNOWN4(0xC9u),
+    UNKNOWN5(0x1Eu),
     ;
 
     // TODO: 2019/10/29  what is 0x20u
+    // TODO: 2019/11/11  what is 0x46u
+    // TODO: 2019/11/11  what is 0x14u
+    // TODO: 2019/11/11 0xC9u
+    // TODO: 2019/11/11 0x1Eu
     companion object {
         fun ofId(id: UByte): OnlineStatus? = values().firstOrNull { it.id == id }
     }

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/TEA.kt

@@ -3,6 +3,7 @@ package net.mamoe.mirai.utils
 import kotlinx.io.core.ByteReadPacket
 import kotlinx.io.core.IoBuffer
 import kotlinx.io.pool.useInstance
+import net.mamoe.mirai.network.protocol.tim.packet.Decrypter
 import net.mamoe.mirai.network.protocol.tim.packet.DecrypterByteArray
 import net.mamoe.mirai.utils.io.*
 import kotlin.experimental.and
@@ -123,6 +124,8 @@ fun ByteReadPacket.decryptBy(key: ByteArray): ByteReadPacket = decryptAsByteArra
 
 fun ByteReadPacket.decryptBy(key: IoBuffer): ByteReadPacket = decryptAsByteArray(key) { data -> ByteReadPacket(data, 0) }
 
+fun ByteReadPacket.decryptBy(key: Decrypter): ByteReadPacket = key.decrypt(this)
+
 fun ByteReadPacket.decryptBy(keyHex: String): ByteReadPacket = decryptBy(keyHex.hexToBytes())
 
 inline fun <R> ByteReadPacket.decryptAsByteArray(key: ByteArray, consumer: (ByteArray) -> R): R =