[+] Data broker api

src/main/java/icu/samnyan/aqua/net/transfer/AllNetClient.kt

@@ -0,0 +1,58 @@
+package icu.samnyan.aqua.net.transfer
+
+import ext.*
+import icu.samnyan.aqua.sega.aimedb.AimeDbClient
+import icu.samnyan.aqua.sega.aimedb.AimeDbClient.Companion.sendAimePacket
+import icu.samnyan.aqua.sega.util.AllNetBillingDecoder
+
+val keychipPattern = Regex("([A-Z\\d]{4}-[A-Z\\d]{11}|[A-Z\\d]{11})")
+
+class AllNetClient(val dns: String, val keychip: String, val game: String, val version: String, val card: String) {
+    init {
+        // Check if keychip is valid
+        // TODO : Use a more appropriate exception
+        if (!keychipPattern.matches(keychip)) throw Exception("Invalid keychip")
+    }
+
+    override fun toString() = toJson()
+
+    val keychipShort by lazy {
+        // A123-45678901337 -> A1234567890
+        if (keychip.length == 11) keychip
+        else keychip.substring(0, 4) + keychip.substring(5, 11)
+    }
+    val aime by lazy { AimeDbClient(game, keychipShort) }
+
+    // Send AllNet PowerOn request to obtain game URL
+    val gameUrl by lazy {
+        "$dns/sys/servlet/PowerOn".request()
+            .header("Content-Type" to "application/x-www-form-urlencoded")
+            .post(
+                AllNetBillingDecoder.encodeAllNet(mapOf(
+                "game_id" to game,
+                "ver" to version,
+                "serial" to keychipShort,
+                "ip" to "127.0.0.1", "firm_ver" to "60001", "boot_ver" to "0000",
+                "encode" to "UTF-8", "format_ver" to "3", "hops" to "1", "token" to "2864179931"
+            )))
+            .bodyString()
+            .split("&")
+            .map { it.split("=") }
+            .filter { it.size == 2 }
+            .associate { it[0] to it[1] }["uri"]
+            ?: throw Exception("PowerOn Failed: No game URL returned")
+    }
+
+    val userId by lazy {
+        when (card.length) {
+            20 -> aime.createReqLookupV2(card)
+            16 -> aime.createReqFelicaLookupV2(card)
+            else -> throw Exception("Invalid card. Please input either 20-digit numeric access code (e.g. 5010000...0) or 16-digit hex Felica ID (e.g. 012E123456789ABC).")
+        }.sendAimePacket(dns.substringAfter("://")).getLongLE(0x20)
+    }
+
+    fun findDataBroker(log: (String) -> Unit) = when (game) {
+        "SDHD" -> ChusanDataBroker(this, log)
+        else -> throw IllegalArgumentException("Unsupported game: $game")
+    }
+}