add linking chat accounts to uuid

implement global timeouts for all commands
improved permission requests

1.10.2/src/main/kotlin/matterlink/MatterLink.kt

@@ -1,9 +1,11 @@
 package matterlink
 
-import matterlink.command.CommandMatterlink
+import com.mojang.authlib.GameProfile
+import matterlink.command.MatterLinkCommand
 import matterlink.command.MatterLinkCommandSender
 import matterlink.config.BaseConfig
 import matterlink.config.cfg
+import net.minecraft.entity.player.EntityPlayerMP
 import net.minecraft.util.text.TextComponentString
 import net.minecraftforge.common.ForgeVersion
 import net.minecraftforge.fml.common.FMLCommonHandler
@@ -14,6 +16,7 @@ import net.minecraftforge.fml.common.event.FMLServerStartingEvent
 import net.minecraftforge.fml.common.event.FMLServerStoppingEvent
 import org.apache.logging.log4j.Level
 import org.apache.logging.log4j.Logger
+import java.util.*
 
 lateinit var logger: Logger
 
@@ -47,7 +50,7 @@ object MatterLink : IMatterLink() {
     @Mod.EventHandler
     fun serverStarting(event: FMLServerStartingEvent) {
         logger.debug("Registering server commands")
-        event.registerServerCommand(CommandMatterlink())
+        event.registerServerCommand(MatterLinkCommand())
         start()
     }
 
@@ -61,10 +64,55 @@ object MatterLink : IMatterLink() {
         FMLCommonHandler.instance().minecraftServerInstance.playerList.sendChatMsg(TextComponentString(msg))
     }
 
+    override fun wrappedSendToPlayer(user: String, msg: String) {
+        val profile = profileByName(user) ?: profileByUUID(user) ?: run {
+            error("cannot find player by name or uuid $user")
+            return
+        }
+        val player = playerByProfile(profile) ?: run {
+            error("${profile.name} is not online")
+            return
+        }
+        player.sendMessage(TextComponentString(msg))
+    }
+
+    override fun isOnline(username: String) = FMLCommonHandler.instance().minecraftServerInstance.onlinePlayerNames.contains(username)
+
+    private fun playerByProfile(gameProfile: GameProfile): EntityPlayerMP? = FMLCommonHandler.instance().minecraftServerInstance.playerList.getPlayerByUUID(gameProfile.id)
+
+
+    private fun profileByUUID(uuid: String): GameProfile? = try {
+        FMLCommonHandler.instance().minecraftServerInstance.playerProfileCache.getProfileByUUID(UUID.fromString(uuid))
+    } catch (e: IllegalArgumentException) {
+        warn("cannot find profile by uuid $uuid")
+        null
+    }
+
+    private fun profileByName(username: String): GameProfile? = try {
+        FMLCommonHandler.instance().minecraftServerInstance.playerProfileCache.getGameProfileForUsername(username)
+    } catch (e: IllegalArgumentException) {
+        warn("cannot find profile by username $username")
+        null
+    }
+
+    override fun nameToUUID(username: String) = profileByName(username)?.id?.toString()
+
+    override fun uuidToName(uuid: String?): String? {
+        return uuid?.let { profileByUUID(it)?.name }
+    }
+
     override fun log(level: String, formatString: String, vararg data: Any) =
             logger.log(Level.toLevel(level, Level.INFO), formatString, *data)
 
-    override fun commandSenderFor(user: String, userId: String, server: String, op: Boolean) = MatterLinkCommandSender(user, userId, server, op)
+
+    override fun commandSenderFor(
+            user: String,
+            userId: String,
+            server: String,
+            uuid: String?,
+            username: String?,
+            op: Boolean
+    ) = MatterLinkCommandSender(user, userId, server, uuid, username, op)
 
     override val mcVersion: String = MCVERSION
     override val modVersion: String = MODVERSION

1.10.2/src/main/kotlin/matterlink/command/AuthCommand.kt

@@ -0,0 +1,42 @@
+package matterlink.command
+
+import matterlink.logger
+import net.minecraft.command.CommandBase
+import net.minecraft.command.ICommandSender
+import net.minecraft.command.WrongUsageException
+import net.minecraft.entity.player.EntityPlayer
+import net.minecraft.server.MinecraftServer
+import net.minecraft.util.text.TextComponentString
+
+
+class AuthCommand : CommandBase() {
+    override fun getName(): String {
+        return CommandCoreAuth.name
+    }
+
+    override fun getUsage(sender: ICommandSender): String {
+        return CommandCoreAuth.usage
+    }
+
+    override fun getAliases(): List<String> {
+        return CommandCoreAuth.aliases
+    }
+
+    override fun getRequiredPermissionLevel(): Int {
+        return 0
+    }
+
+    override fun execute(server: MinecraftServer, sender: ICommandSender, args: Array<String>) {
+        if (args.isEmpty()) {
+            throw WrongUsageException("Invalid command! Valid uses: ${this.getUsage(sender)}")
+        }
+
+        val uuid = (sender as? EntityPlayer)?.uniqueID?.toString()
+        val reply = CommandCoreAuth.execute(args, sender.name, uuid)
+
+        if (reply.isNotEmpty() && sender.sendCommandFeedback()) {
+            sender.sendMessage(TextComponentString(reply))
+        }
+    }
+
+}

1.10.2/src/main/kotlin/matterlink/command/MatterLinkCommand.kt

@@ -3,21 +3,22 @@ package matterlink.command
 import net.minecraft.command.CommandBase
 import net.minecraft.command.ICommandSender
 import net.minecraft.command.WrongUsageException
+import net.minecraft.entity.player.EntityPlayer
 import net.minecraft.server.MinecraftServer
 import net.minecraft.util.text.TextComponentString
 
 
-class CommandMatterlink : CommandBase() {
+class MatterLinkCommand : CommandBase() {
     override fun getName(): String {
-        return CommandCore.getName()
+        return CommandCoreML.name
     }
 
     override fun getUsage(sender: ICommandSender): String {
-        return CommandCore.getUsage()
+        return CommandCoreML.usage
     }
 
     override fun getAliases(): List<String> {
-        return CommandCore.getAliases()
+        return CommandCoreML.aliases
     }
 
     override fun execute(server: MinecraftServer, sender: ICommandSender, args: Array<String>) {
@@ -25,7 +26,8 @@ class CommandMatterlink : CommandBase() {
             throw WrongUsageException("Invalid command! Valid uses: ${this.getUsage(sender)}")
         }
 
-        val reply = CommandCore.execute(args, sender.name)
+        val uuid = (sender as? EntityPlayer)?.uniqueID?.toString()
+        val reply = CommandCoreML.execute(args, sender.name, uuid)
 
         if (reply.isNotEmpty() && sender.sendCommandFeedback()) {
             sender.sendMessage(TextComponentString(reply))

1.10.2/src/main/kotlin/matterlink/command/MatterLinkCommandSender.kt

@@ -13,8 +13,13 @@ import net.minecraft.world.World
 import net.minecraftforge.fml.common.FMLCommonHandler
 import javax.annotation.Nonnull
 
-class MatterLinkCommandSender(user: String, userId: String, server: String, op: Boolean) : IMinecraftCommandSender(user, userId, server, op), ICommandSender {
-    private var level: Int = 0
+class MatterLinkCommandSender(
+        user: String,
+        userId: String,
+        server: String,
+        uuid: String?,
+        username: String?,
+        op: Boolean) : IMinecraftCommandSender(user, userId, server, uuid, username, op), ICommandSender {
 
     override fun execute(cmdString: String): Boolean {
         return 0 < FMLCommonHandler.instance().minecraftServerInstance.commandManager.executeCommand(
@@ -24,7 +29,7 @@ class MatterLinkCommandSender(user: String, userId: String, server: String, op:
     }
 
     override fun getDisplayName(): ITextComponent {
-        return TextComponentString(user)
+        return TextComponentString(displayName)
     }
 
     override fun getName() = accountName

1.11.2/src/main/kotlin/matterlink/MatterLink.kt

@@ -1,9 +1,11 @@
 package matterlink
 
-import matterlink.command.CommandMatterlink
+import com.mojang.authlib.GameProfile
+import matterlink.command.MatterLinkCommand
 import matterlink.command.MatterLinkCommandSender
 import matterlink.config.BaseConfig
 import matterlink.config.cfg
+import net.minecraft.entity.player.EntityPlayerMP
 import net.minecraft.util.text.TextComponentString
 import net.minecraftforge.common.ForgeVersion
 import net.minecraftforge.fml.common.FMLCommonHandler
@@ -14,6 +16,7 @@ import net.minecraftforge.fml.common.event.FMLServerStartingEvent
 import net.minecraftforge.fml.common.event.FMLServerStoppingEvent
 import org.apache.logging.log4j.Level
 import org.apache.logging.log4j.Logger
+import java.util.*
 
 lateinit var logger: Logger
 
@@ -47,7 +50,7 @@ object MatterLink : IMatterLink() {
     @Mod.EventHandler
     fun serverStarting(event: FMLServerStartingEvent) {
         logger.debug("Registering server commands")
-        event.registerServerCommand(CommandMatterlink())
+        event.registerServerCommand(MatterLinkCommand())
         start()
     }
 
@@ -61,10 +64,54 @@ object MatterLink : IMatterLink() {
         FMLCommonHandler.instance().minecraftServerInstance.playerList.sendMessage(TextComponentString(msg))
     }
 
+    override fun wrappedSendToPlayer(user: String, msg: String) {
+        val profile = profileByName(user) ?: profileByUUID(user) ?: run {
+            error("cannot find player by name or uuid $user")
+            return
+        }
+        val player = playerByProfile(profile) ?: run {
+            error("${profile.name} is not online")
+            return
+        }
+        player.sendMessage(TextComponentString(msg))
+    }
+
+    override fun isOnline(username: String) = FMLCommonHandler.instance().minecraftServerInstance.onlinePlayerNames.contains(username)
+
+    private fun playerByProfile(gameProfile: GameProfile): EntityPlayerMP? = FMLCommonHandler.instance().minecraftServerInstance.playerList.getPlayerByUUID(gameProfile.id)
+
+
+    private fun profileByUUID(uuid: String): GameProfile? = try {
+        FMLCommonHandler.instance().minecraftServerInstance.playerProfileCache.getProfileByUUID(UUID.fromString(uuid))
+    } catch (e: IllegalArgumentException) {
+        warn("cannot find profile by uuid $uuid")
+        null
+    }
+
+    private fun profileByName(username: String): GameProfile? = try {
+        FMLCommonHandler.instance().minecraftServerInstance.playerProfileCache.getGameProfileForUsername(username)
+    } catch (e: IllegalArgumentException) {
+        warn("cannot find profile by username $username")
+        null
+    }
+
+    override fun nameToUUID(username: String) = profileByName(username)?.id?.toString()
+
+    override fun uuidToName(uuid: String?): String? {
+        return uuid?.let { profileByUUID(it)?.name }
+    }
+
     override fun log(level: String, formatString: String, vararg data: Any) =
             logger.log(Level.toLevel(level, Level.INFO), formatString, *data)
 
-    override fun commandSenderFor(user: String, userId: String, server: String, op: Boolean) = MatterLinkCommandSender(user, userId, server, op)
+    override fun commandSenderFor(
+            user: String,
+            userId: String,
+            server: String,
+            uuid: String?,
+            username: String?,
+            op: Boolean
+    ) = MatterLinkCommandSender(user, userId, server, uuid, username, op)
 
     override val mcVersion: String = MCVERSION
     override val modVersion: String = MODVERSION

1.11.2/src/main/kotlin/matterlink/command/AuthCommand.kt

@@ -0,0 +1,42 @@
+package matterlink.command
+
+import matterlink.logger
+import net.minecraft.command.CommandBase
+import net.minecraft.command.ICommandSender
+import net.minecraft.command.WrongUsageException
+import net.minecraft.entity.player.EntityPlayer
+import net.minecraft.server.MinecraftServer
+import net.minecraft.util.text.TextComponentString
+
+
+class AuthCommand : CommandBase() {
+    override fun getName(): String {
+        return CommandCoreAuth.name
+    }
+
+    override fun getUsage(sender: ICommandSender): String {
+        return CommandCoreAuth.usage
+    }
+
+    override fun getAliases(): List<String> {
+        return CommandCoreAuth.aliases
+    }
+
+    override fun getRequiredPermissionLevel(): Int {
+        return 0
+    }
+
+    override fun execute(server: MinecraftServer, sender: ICommandSender, args: Array<String>) {
+        if (args.isEmpty()) {
+            throw WrongUsageException("Invalid command! Valid uses: ${this.getUsage(sender)}")
+        }
+
+        val uuid = (sender as? EntityPlayer)?.uniqueID?.toString()
+        val reply = CommandCoreAuth.execute(args, sender.name, uuid)
+
+        if (reply.isNotEmpty() && sender.sendCommandFeedback()) {
+            sender.sendMessage(TextComponentString(reply))
+        }
+    }
+
+}

1.11.2/src/main/kotlin/matterlink/command/MatterLinkCommand.kt

@@ -3,21 +3,22 @@ package matterlink.command
 import net.minecraft.command.CommandBase
 import net.minecraft.command.ICommandSender
 import net.minecraft.command.WrongUsageException
+import net.minecraft.entity.player.EntityPlayer
 import net.minecraft.server.MinecraftServer
 import net.minecraft.util.text.TextComponentString
 
 
-class CommandMatterlink : CommandBase() {
+class MatterLinkCommand : CommandBase() {
     override fun getName(): String {
-        return CommandCore.getName()
+        return CommandCoreML.name
     }
 
     override fun getUsage(sender: ICommandSender): String {
-        return CommandCore.getUsage()
+        return CommandCoreML.usage
     }
 
     override fun getAliases(): List<String> {
-        return CommandCore.getAliases()
+        return CommandCoreML.aliases
     }
 
     override fun execute(server: MinecraftServer, sender: ICommandSender, args: Array<String>) {
@@ -25,11 +26,11 @@ class CommandMatterlink : CommandBase() {
             throw WrongUsageException("Invalid command! Valid uses: ${this.getUsage(sender)}")
         }
 
-        val reply = CommandCore.execute(args, sender.name)
+        val uuid = (sender as? EntityPlayer)?.uniqueID?.toString()
+        val reply = CommandCoreML.execute(args, sender.name, uuid)
 
         if (reply.isNotEmpty() && sender.sendCommandFeedback()) {
             sender.sendMessage(TextComponentString(reply))
         }
     }
-
 }

1.11.2/src/main/kotlin/matterlink/command/MatterLinkCommandSender.kt

@@ -13,7 +13,13 @@ import net.minecraft.world.World
 import net.minecraftforge.fml.common.FMLCommonHandler
 import javax.annotation.Nonnull
 
-class MatterLinkCommandSender(user: String, userId: String, server: String, op: Boolean) : IMinecraftCommandSender(user, userId, server, op), ICommandSender {
+class MatterLinkCommandSender(
+        user: String,
+        userId: String,
+        server: String,
+        uuid: String?,
+        username: String?,
+        op: Boolean) : IMinecraftCommandSender(user, userId, server, uuid, username, op), ICommandSender {
 
     override fun execute(cmdString: String): Boolean {
         return 0 < FMLCommonHandler.instance().minecraftServerInstance.commandManager.executeCommand(
@@ -23,7 +29,7 @@ class MatterLinkCommandSender(user: String, userId: String, server: String, op:
     }
 
     override fun getDisplayName(): ITextComponent {
-        return TextComponentString(user)
+        return TextComponentString(displayName)
     }
 
     override fun getName() = accountName

1.12.2/src/main/kotlin/matterlink/MatterLink.kt

@@ -1,9 +1,13 @@
 package matterlink
 
-import matterlink.command.CommandMatterlink
+import com.mojang.authlib.GameProfile
+import jline.internal.Log.warn
+import matterlink.command.AuthCommand
+import matterlink.command.MatterLinkCommand
 import matterlink.command.MatterLinkCommandSender
 import matterlink.config.BaseConfig
 import matterlink.config.cfg
+import net.minecraft.entity.player.EntityPlayerMP
 import net.minecraft.util.text.TextComponentString
 import net.minecraftforge.common.ForgeVersion
 import net.minecraftforge.fml.common.FMLCommonHandler
@@ -14,6 +18,7 @@ import net.minecraftforge.fml.common.event.FMLServerStartingEvent
 import net.minecraftforge.fml.common.event.FMLServerStoppingEvent
 import org.apache.logging.log4j.Level
 import org.apache.logging.log4j.Logger
+import java.util.*
 
 lateinit var logger: Logger
 
@@ -27,6 +32,7 @@ lateinit var logger: Logger
         dependencies = DEPENDENCIES
 )
 object MatterLink : IMatterLink() {
+
     init {
         instance = this
     }
@@ -47,7 +53,8 @@ object MatterLink : IMatterLink() {
     @Mod.EventHandler
     fun serverStarting(event: FMLServerStartingEvent) {
         log("DEBUG", "Registering server commands")
-        event.registerServerCommand(CommandMatterlink())
+        event.registerServerCommand(MatterLinkCommand())
+        event.registerServerCommand(AuthCommand())
         start()
     }
 
@@ -61,10 +68,55 @@ object MatterLink : IMatterLink() {
         FMLCommonHandler.instance().minecraftServerInstance.playerList.sendMessage(TextComponentString(msg))
     }
 
+    override fun wrappedSendToPlayer(user: String, msg: String) {
+        val profile = profileByName(user) ?: profileByUUID(user) ?: run {
+            error("cannot find player by name or uuid $user")
+            return
+        }
+        val player = playerByProfile(profile) ?: run {
+            error("${profile.name} is not online")
+            return
+        }
+        player.sendMessage(TextComponentString(msg))
+    }
+
+    override fun isOnline(username: String) = FMLCommonHandler.instance().minecraftServerInstance.onlinePlayerNames.contains(username)
+
+    private fun playerByProfile(gameProfile: GameProfile): EntityPlayerMP?
+            = FMLCommonHandler.instance().minecraftServerInstance.playerList.getPlayerByUUID(gameProfile.id)
+
+
+    private fun profileByUUID(uuid: String): GameProfile? = try {
+        FMLCommonHandler.instance().minecraftServerInstance.playerProfileCache.getProfileByUUID(UUID.fromString(uuid))
+    } catch (e: IllegalArgumentException) {
+        warn("cannot find profile by uuid $uuid")
+        null
+    }
+
+    private fun profileByName(username: String): GameProfile? = try {
+        FMLCommonHandler.instance().minecraftServerInstance.playerProfileCache.getGameProfileForUsername(username)
+    } catch (e: IllegalArgumentException) {
+        warn("cannot find profile by username $username")
+        null
+    }
+
+    override fun nameToUUID(username: String) = profileByName(username)?.id?.toString()
+
+    override fun uuidToName(uuid: String?): String? {
+        return uuid?.let { profileByUUID(it)?.name }
+    }
+
     override fun log(level: String, formatString: String, vararg data: Any) =
             logger.log(Level.toLevel(level, Level.INFO), formatString, *data)
 
-    override fun commandSenderFor(user: String, userId: String, server: String, op: Boolean) = MatterLinkCommandSender(user, userId, server, op)
+    override fun commandSenderFor(
+            user: String,
+            userId: String,
+            server: String,
+            uuid: String?,
+            username: String?,
+            op: Boolean
+    ) = MatterLinkCommandSender(user, userId, server, uuid, username, op)
 
     override val mcVersion: String = MCVERSION
     override val modVersion: String = MODVERSION

1.12.2/src/main/kotlin/matterlink/command/AuthCommand.kt

@@ -0,0 +1,42 @@
+package matterlink.command
+
+import matterlink.logger
+import net.minecraft.command.CommandBase
+import net.minecraft.command.ICommandSender
+import net.minecraft.command.WrongUsageException
+import net.minecraft.entity.player.EntityPlayer
+import net.minecraft.server.MinecraftServer
+import net.minecraft.util.text.TextComponentString
+
+
+class AuthCommand : CommandBase() {
+    override fun getName(): String {
+        return CommandCoreAuth.name
+    }
+
+    override fun getUsage(sender: ICommandSender): String {
+        return CommandCoreAuth.usage
+    }
+
+    override fun getAliases(): List<String> {
+        return CommandCoreAuth.aliases
+    }
+
+    override fun getRequiredPermissionLevel(): Int {
+        return 0
+    }
+
+    override fun execute(server: MinecraftServer, sender: ICommandSender, args: Array<String>) {
+        if (args.isEmpty()) {
+            throw WrongUsageException("Invalid command! Valid uses: ${this.getUsage(sender)}")
+        }
+
+        val uuid = (sender as? EntityPlayer)?.uniqueID?.toString()
+        val reply = CommandCoreAuth.execute(args, sender.name, uuid)
+
+        if (reply.isNotEmpty() && sender.sendCommandFeedback()) {
+            sender.sendMessage(TextComponentString(reply))
+        }
+    }
+
+}

1.12.2/src/main/kotlin/matterlink/command/MatterLinkCommand.kt

@@ -3,21 +3,22 @@ package matterlink.command
 import net.minecraft.command.CommandBase
 import net.minecraft.command.ICommandSender
 import net.minecraft.command.WrongUsageException
+import net.minecraft.entity.player.EntityPlayer
 import net.minecraft.server.MinecraftServer
 import net.minecraft.util.text.TextComponentString
 
 
-class CommandMatterlink : CommandBase() {
+class MatterLinkCommand : CommandBase() {
     override fun getName(): String {
-        return CommandCore.getName()
+        return CommandCoreML.name
     }
 
     override fun getUsage(sender: ICommandSender): String {
-        return CommandCore.getUsage()
+        return CommandCoreML.usage
     }
 
     override fun getAliases(): List<String> {
-        return CommandCore.getAliases()
+        return CommandCoreML.aliases
     }
 
     override fun execute(server: MinecraftServer, sender: ICommandSender, args: Array<String>) {
@@ -25,7 +26,8 @@ class CommandMatterlink : CommandBase() {
             throw WrongUsageException("Invalid command! Valid uses: ${this.getUsage(sender)}")
         }
 
-        val reply = CommandCore.execute(args, sender.name)
+        val uuid = (sender as? EntityPlayer)?.uniqueID?.toString()
+        val reply = CommandCoreML.execute(args, sender.name, uuid)
 
         if (reply.isNotEmpty() && sender.sendCommandFeedback()) {
             sender.sendMessage(TextComponentString(reply))

1.12.2/src/main/kotlin/matterlink/command/MatterLinkCommandSender.kt

@@ -9,7 +9,14 @@ import net.minecraft.world.World
 import net.minecraftforge.fml.common.FMLCommonHandler
 import javax.annotation.Nonnull
 
-class MatterLinkCommandSender(user: String, userId: String, server: String, op: Boolean) : IMinecraftCommandSender(user, userId, server, op), ICommandSender {
+class MatterLinkCommandSender(
+        user: String,
+        userId: String,
+        server: String,
+        uuid: String?,
+        username: String?,
+        op: Boolean) : IMinecraftCommandSender(user, userId, server, uuid, username, op), ICommandSender {
+
     override fun execute(cmdString: String): Boolean {
         return 0 < FMLCommonHandler.instance().minecraftServerInstance.commandManager.executeCommand(
                 this,
@@ -18,7 +25,7 @@ class MatterLinkCommandSender(user: String, userId: String, server: String, op:
     }
 
     override fun getDisplayName(): ITextComponent {
-        return TextComponentString(user)
+        return TextComponentString(displayName)
     }
 
     override fun getName() = accountName

1.7.10/src/main/kotlin/matterlink/MatterLink.kt

@@ -1,21 +1,24 @@
 package matterlink
 
+import com.mojang.authlib.GameProfile
 import cpw.mods.fml.common.FMLCommonHandler
 import cpw.mods.fml.common.Mod
 import cpw.mods.fml.common.event.FMLInitializationEvent
 import cpw.mods.fml.common.event.FMLPreInitializationEvent
 import cpw.mods.fml.common.event.FMLServerStartingEvent
 import cpw.mods.fml.common.event.FMLServerStoppingEvent
-import matterlink.command.CommandMatterlink
+import matterlink.command.MatterLinkCommand
 import matterlink.command.MatterLinkCommandSender
 import matterlink.config.BaseConfig
 import matterlink.config.cfg
+import net.minecraft.entity.player.EntityPlayerMP
 import net.minecraft.server.MinecraftServer
 import net.minecraft.util.ChatComponentText
 import net.minecraftforge.common.ForgeVersion
 import net.minecraftforge.common.MinecraftForge
 import org.apache.logging.log4j.Level
 import org.apache.logging.log4j.Logger
+import java.util.*
 
 lateinit var logger: Logger
 
@@ -49,7 +52,7 @@ class MatterLink : IMatterLink() {
     @Mod.EventHandler
     fun serverStarting(event: FMLServerStartingEvent) {
         logger.debug("Registering server commands")
-        event.registerServerCommand(CommandMatterlink())
+        event.registerServerCommand(MatterLinkCommand())
         start()
     }
 
@@ -63,10 +66,56 @@ class MatterLink : IMatterLink() {
         MinecraftServer.getServer().configurationManager.sendChatMsg(ChatComponentText(msg))
     }
 
+    override fun wrappedSendToPlayer(user: String, msg: String) {
+        val profile = profileByName(user) ?: profileByUUID(user) ?: run {
+            error("cannot find player by name or uuid $user")
+            return
+        }
+        val player = playerByProfile(profile) ?: run {
+            error("${profile.name} is not online")
+            return
+        }
+        player.addChatMessage(ChatComponentText(msg))
+    }
+
+    override fun isOnline(username: String) = (FMLCommonHandler.instance()
+            .minecraftServerInstance.configurationManager.getPlayerByUsername(username) ?: null) != null
+
+    private fun playerByProfile(gameProfile: GameProfile): EntityPlayerMP? {
+        return FMLCommonHandler.instance().minecraftServerInstance.configurationManager.createPlayerForUser(gameProfile)
+    }
+
+    private fun profileByUUID(uuid: String): GameProfile? = try {
+        FMLCommonHandler.instance().minecraftServerInstance.playerProfileCache.func_152652_a(UUID.fromString(uuid))
+    } catch (e: IllegalArgumentException) {
+        warn("cannot find profile by uuid $uuid")
+        null
+    }
+
+    private fun profileByName(username: String): GameProfile? = try {
+        FMLCommonHandler.instance().minecraftServerInstance.playerProfileCache.getGameProfileForUsername(username)
+    } catch (e: IllegalArgumentException) {
+        warn("cannot find profile by username $username")
+        null
+    }
+
+    override fun nameToUUID(username: String) = profileByName(username)?.id?.toString()
+
+    override fun uuidToName(uuid: String?): String? {
+        return uuid?.let { profileByUUID(it)?.name }
+    }
+
     override fun log(level: String, formatString: String, vararg data: Any) =
             logger.log(Level.toLevel(level, Level.INFO), formatString, *data)
 
-    override fun commandSenderFor(user: String, userId: String, server: String, op: Boolean) = MatterLinkCommandSender(user, userId, server, op)
+    override fun commandSenderFor(
+            user: String,
+            userId: String,
+            server: String,
+            uuid: String?,
+            username: String?,
+            op: Boolean
+    ) = MatterLinkCommandSender(user, userId, server, uuid, username, op)
 
     override val mcVersion: String = MCVERSION
     override val modVersion: String = MODVERSION

1.7.10/src/main/kotlin/matterlink/command/AuthCommand.kt

@@ -0,0 +1,35 @@
+package matterlink.command
+
+import net.minecraft.command.CommandBase
+import net.minecraft.command.ICommandSender
+import net.minecraft.command.WrongUsageException
+import net.minecraft.entity.player.EntityPlayer
+import net.minecraft.util.ChatComponentText
+
+
+class AuthCommand : CommandBase() {
+    override fun getCommandName(): String {
+        return CommandCoreAuth.name
+    }
+
+    override fun getCommandUsage(sender: ICommandSender): String {
+        return CommandCoreAuth.usage
+    }
+
+    override fun getCommandAliases(): List<String> {
+        return CommandCoreAuth.aliases
+    }
+
+    override fun processCommand(sender: ICommandSender, args: Array<String>) {
+        if (args.isEmpty()) {
+            throw WrongUsageException("Invalid command! Valid uses: ${this.getCommandUsage(sender)}")
+        }
+
+        val uuid = (sender as? EntityPlayer)?.uniqueID?.toString()
+        val reply = CommandCoreAuth.execute(args, sender.commandSenderName, uuid)
+
+        if (reply.isNotEmpty()) {
+            sender.addChatMessage(ChatComponentText(reply))
+        }
+    }
+}

1.7.10/src/main/kotlin/matterlink/command/MatterLinkCommand.kt

@@ -3,31 +3,33 @@ package matterlink.command
 import net.minecraft.command.CommandBase
 import net.minecraft.command.ICommandSender
 import net.minecraft.command.WrongUsageException
+import net.minecraft.entity.player.EntityPlayer
 import net.minecraft.util.ChatComponentText
 
 
-class CommandMatterlink : CommandBase() {
+class MatterLinkCommand : CommandBase() {
+    override fun getCommandName(): String {
+        return CommandCoreML.name
+    }
+
+    override fun getCommandUsage(sender: ICommandSender): String {
+        return CommandCoreML.usage
+    }
+
+    override fun getCommandAliases(): List<String> {
+        return CommandCoreML.aliases
+    }
+
     override fun processCommand(sender: ICommandSender, args: Array<String>) {
         if (args.isEmpty()) {
             throw WrongUsageException("Invalid command! Valid uses: ${this.getCommandUsage(sender)}")
         }
 
-        val reply = CommandCore.execute(args, sender.commandSenderName)
+        val uuid = (sender as? EntityPlayer)?.uniqueID?.toString()
+        val reply = CommandCoreML.execute(args, sender.commandSenderName, uuid)
 
         if (reply.isNotEmpty()) {
             sender.addChatMessage(ChatComponentText(reply))
         }
     }
-
-    override fun getCommandName(): String {
-        return CommandCore.getName()
-    }
-
-    override fun getCommandUsage(sender: ICommandSender): String {
-        return CommandCore.getUsage()
-    }
-
-    override fun getCommandAliases(): List<String> {
-        return CommandCore.getAliases()
-    }
 }

1.7.10/src/main/kotlin/matterlink/command/MatterLinkCommandSender.kt

@@ -8,9 +8,13 @@ import net.minecraft.util.ChunkCoordinates
 import net.minecraft.util.IChatComponent
 import net.minecraft.world.World
 
-class MatterLinkCommandSender(user: String, userId: String, server: String, op: Boolean) : IMinecraftCommandSender(user, userId, server, op), ICommandSender {
-
-    private var level: Int = 0
+class MatterLinkCommandSender(
+        user: String,
+        userId: String,
+        server: String,
+        uuid: String?,
+        username: String?,
+        op: Boolean) : IMinecraftCommandSender(user, userId, server, uuid, username, op), ICommandSender {
 
     override fun execute(cmdString: String): Boolean {
         return 0 < MinecraftServer.getServer().commandManager.executeCommand(
@@ -20,7 +24,7 @@ class MatterLinkCommandSender(user: String, userId: String, server: String, op:
     }
 
     override fun getFormattedCommandSenderName(): IChatComponent {
-        return ChatComponentText(user)
+        return ChatComponentText(displayName)
     }
 
     override fun getCommandSenderName() = accountName

core/build.gradle

@@ -28,6 +28,7 @@ dependencies {
 
     compile group: 'commons-logging', name: 'commons-logging', version: '1.1.3'
     compile group: 'com.google.code.gson', name: 'gson', version: '+'
+    compile group: 'com.google.guava', name: 'guava', version: '+'
 
     compile group: 'org.jetbrains.kotlin', name: 'kotlin-stdlib-jdk8', version: project.kotlin_version
 }

core/src/main/kotlin/matterlink/IMatterLink.kt

@@ -13,10 +13,15 @@ abstract class IMatterLink {
     abstract val modVersion: String
     abstract val forgeVersion: String
 
-    abstract fun commandSenderFor(user: String, userId: String, server: String, op: Boolean): IMinecraftCommandSender
+    abstract fun commandSenderFor(user: String, userId: String, server: String, uuid: String?, username: String?, op: Boolean): IMinecraftCommandSender
 
     abstract fun wrappedSendToPlayers(msg: String)
 
+    abstract fun wrappedSendToPlayer(user: String, msg: String)
+    abstract fun isOnline(username: String): Boolean
+    abstract fun nameToUUID(username: String): String?
+    abstract fun uuidToName(uuid: String?): String?
+
     fun start() {
         MessageHandlerInst.logger = { level, msg ->
             when (level) {
@@ -85,4 +90,5 @@ abstract class IMatterLink {
     fun registerBridgeCommands() {
         BridgeCommandRegistry.reloadCommands()
     }
+
 }

core/src/main/kotlin/matterlink/Util.kt

@@ -1,10 +1,15 @@
 package matterlink
 
 import blue.endless.jankson.Jankson
+import blue.endless.jankson.JsonArray
+import blue.endless.jankson.JsonElement
 import blue.endless.jankson.JsonObject
+import blue.endless.jankson.impl.Marshaller
 import matterlink.config.cfg
 import java.io.PrintWriter
 import java.io.StringWriter
+import java.util.*
+import kotlin.streams.asSequence
 
 private const val ZWSP: Char = '\u200b'
 
@@ -57,11 +62,39 @@ val Exception.stackTraceString: String
         return sw.toString()
     }
 
+fun randomString(length: Long = 6, source: String = "ABCDEFGHIJKLMNOPQRSTUVWXYZ") = Random().ints(length, 0, source.length)
+        .asSequence()
+        .map(source::get)
+        .joinToString("")
+
 fun <T : Any> JsonObject.getOrDefault(key: String, default: T, comment: String? = null): T {
 //    instance.info("type: ${default.javaClass.name} key: $key json: >>>${this.getObject(key)?.toJson()}<<< default: $default")
     return putDefault(key, default, comment)!!
 }
 
+inline fun <reified T : Any> Jankson.fromJson(obj: JsonObject): T = this.fromJson(obj, T::class.java)
+
 inline fun <reified T : Any> Jankson.Builder.registerTypeAdapter(noinline adapter: (JsonObject) -> T) = this.registerTypeAdapter(T::class.java, adapter)
 
 inline fun <reified T : Any> Jankson.Builder.registerPrimitiveTypeAdapter(noinline adapter: (Any) -> T) = this.registerPrimitiveTypeAdapter(T::class.java, adapter)
+
+inline fun <reified T : Any> Jankson.Builder.registerSerializer(noinline serializer: (T, Marshaller) -> JsonElement) = this.registerSerializer(T::class.java, serializer)
+
+inline fun <reified T : Any> Marshaller.registerSerializer(noinline serializer: (T) -> JsonElement) = this.registerSerializer(T::class.java, serializer)
+
+inline fun <reified T : Any> Marshaller.registerSerializer(noinline serializer: (T, Marshaller) -> JsonElement) = this.registerSerializer(T::class.java, serializer)
+
+inline fun <reified T : Any> JsonObject.getReified(key: String): T? = this.get(T::class.java, key)
+
+inline fun <reified T : Any> JsonObject.getList(key: String): List<T>? {
+    return this[key]?.let { array ->
+        when (array) {
+            is JsonArray -> {
+                array.indices.map { i ->
+                    array.get(T::class.java, i) ?: throw NullPointerException("cannot parse ${array.get(i)}")
+                }
+            }
+            else -> null
+        }
+    }
+}

core/src/main/kotlin/matterlink/bridge/command/AuthBridgeCommand.kt

@@ -0,0 +1,68 @@
+package matterlink.bridge.command
+
+import matterlink.api.ApiMessage
+import matterlink.bridge.MessageHandlerInst
+import matterlink.config.AuthRequest
+import matterlink.config.IdentitiesConfig
+import matterlink.config.cfg
+import matterlink.instance
+import matterlink.randomString
+
+object AuthBridgeCommand : IBridgeCommand() {
+    override val help: String = "Requests authentication on the bridge. Syntax: auth [username]"
+    override val permLevel: Double
+        get() = cfg.command.defaultPermUnauthenticated
+
+    override fun execute(alias: String, user: String, userId: String, platform: String, uuid: String?, args: String): Boolean {
+
+        if (uuid != null) {
+            val name = instance.uuidToName(uuid)
+            respond("you are already authenticated as name: $name uuid: $uuid")
+            return true
+        }
+
+        val argList = args.split(' ', limit = 2)
+        val target = argList.getOrNull(0) ?: run {
+            respond("no username/uuid provided")
+            return true
+        }
+
+        var targetUserName = target
+
+        val targetUUid: String = instance.nameToUUID(target) ?: run {
+            targetUserName = instance.uuidToName(target) ?: run {
+                respond("cannot find player by username/uuid $target")
+                return true
+            }
+            target
+        }
+
+        val online = instance.isOnline(targetUserName)
+        if (!online) {
+            respond("$targetUserName is not online, please log in and try again to send instructions")
+            return true
+        }
+        val nonce = randomString(length = 3).toUpperCase()
+
+        val requestId = user.toLowerCase()
+        instance.wrappedSendToPlayer(targetUserName, "have you requested authentication with the MatterLink system?")
+        instance.wrappedSendToPlayer(targetUserName, "if yes please execute /auth accept $user $nonce")
+        instance.wrappedSendToPlayer(targetUserName, "otherwise you may ignore this message")
+
+
+        IdentitiesConfig.authRequests.put(requestId, AuthRequest(username = targetUserName, uuid = targetUUid, nonce = nonce, platform = platform, userid = userId))
+        respond("please accept the authentication request ingame, do not share the code")
+
+        return true
+    }
+
+
+    private fun respond(text: String) {
+        MessageHandlerInst.transmit(
+                ApiMessage(
+                        text = text
+                )
+        )
+    }
+
+}

core/src/main/kotlin/matterlink/bridge/command/BridgeCommandRegistry.kt

@@ -1,16 +1,23 @@
 package matterlink.bridge.command
 
 import matterlink.api.ApiMessage
+import matterlink.bridge.MessageHandlerInst
 import matterlink.config.CommandConfig
+import matterlink.config.IdentitiesConfig
 import matterlink.config.PermissionConfig
 import matterlink.config.cfg
 import matterlink.instance
+import matterlink.stripColorOut
 import java.util.*
 
 object BridgeCommandRegistry {
 
     private val commandMap: HashMap<String, IBridgeCommand> = hashMapOf()
 
+    /**
+     *
+     * @return consume message flag
+     */
     fun handleCommand(input: ApiMessage): Boolean {
         if (!cfg.command.enable || input.text.isBlank()) return false
 
@@ -19,7 +26,24 @@ object BridgeCommandRegistry {
         val cmd = input.text.substring(1).split(' ', ignoreCase = false, limit = 2)
         val args = if (cmd.size == 2) cmd[1] else ""
 
-        return commandMap[cmd[0]]?.execute(cmd[0], input.username, input.userid, input.account, args) ?: false
+        val uuid = IdentitiesConfig.getUUID(input.account, input.userid)
+
+        return commandMap[cmd[0]]?.let {
+            if (!it.reachedTimeout()) {
+                instance.debug("dropped command ${it.alias}")
+                return false
+            }
+            it.preExecute() // resets the tickCounter
+            if (!it.canExecute(uuid)) {
+                MessageHandlerInst.transmit(
+                        ApiMessage(
+                                text = "${input.username} is not permitted to perform command: ${cmd[0]}".stripColorOut
+                        )
+                )
+                return false
+            }
+            it.execute(cmd[0], input.username, input.userid, input.account, uuid, args)
+        } ?: false
     }
 
     fun register(alias: String, cmd: IBridgeCommand): Boolean {
@@ -56,11 +80,15 @@ object BridgeCommandRegistry {
 
     fun reloadCommands() {
         commandMap.clear()
-        val permStatus = PermissionConfig.loadPermFile()
         register("help", HelpCommand)
-        if(cfg.command.permissionRequests)
-            register("req", PermCommand)
-        val cmdStatus = CommandConfig.readConfig()
+        if (cfg.command.authRequests)
+            register("auth", AuthBridgeCommand)
+        if (cfg.command.permisionRequests)
+            register("request", RequestPermissionsCommand)
+        PermissionConfig.loadFile()
+        CommandConfig.loadFile()
+        IdentitiesConfig.loadFile()
+
         CommandConfig.commands.forEach { (alias, command) ->
             register(alias, command)
         }

core/src/main/kotlin/matterlink/bridge/command/CustomCommand.kt

@@ -2,7 +2,6 @@ package matterlink.bridge.command
 
 import matterlink.api.ApiMessage
 import matterlink.bridge.MessageHandlerInst
-import matterlink.handlers.TickHandler
 import matterlink.instance
 import matterlink.lazyFormat
 import matterlink.stripColorIn
@@ -14,18 +13,13 @@ data class CustomCommand(
         val response: String? = null,
         override val permLevel: Double = 0.0,
         override val help: String = "",
-        val timeout: Int = 20,
+        override val timeout: Int = 20,
         val defaultCommand: Boolean? = null,
         val execOp: Boolean? = null,
         val argumentsRegex: Regex? = null
-) : IBridgeCommand {
-    val alias: String
-        get() = BridgeCommandRegistry.getName(this)!!
+) : IBridgeCommand() {
 
-    @Transient
-    private var lastUsed: Int = 0
-
-    override fun execute(alias: String, user: String, userId: String, server: String, args: String): Boolean {
+    override fun execute(alias: String, user: String, userId: String, platform: String, uuid: String?, args: String): Boolean {
         if (argumentsRegex != null) {
             instance.debug("testing '$args' against '${argumentsRegex.pattern}'")
             if (!argumentsRegex.matches(args)) {
@@ -38,34 +32,20 @@ data class CustomCommand(
             }
         }
 
-        if (TickHandler.tickCounter - lastUsed < timeout) {
-            instance.debug("dropped command $alias")
-            return true //eat command silently
-        }
-
-        if (!canExecute(userId, server)) {
-            MessageHandlerInst.transmit(
-                    ApiMessage(
-                            text = "$user is not permitted to perform command: $alias".stripColorOut
-                    )
-            )
-            return false
-        }
-
-        lastUsed = TickHandler.tickCounter
-
+        val username = instance.uuidToName(uuid)
 
         return when (type) {
             CommandType.EXECUTE -> {
                 // uses a new commandsender for each use
-                val commandSender = instance.commandSenderFor(user, userId, server, execOp ?: false)
-                val cmd = execute?.lazyFormat(getReplacements(user, userId, server, args))?.stripColorIn ?: return false
+                val commandSender = instance.commandSenderFor(user, userId, platform, uuid, username, execOp ?: false)
+                val cmd = execute?.lazyFormat(getReplacements(user, userId, platform, uuid, args))?.stripColorIn
+                        ?: return false
                 commandSender.execute(cmd) || commandSender.reply.isNotBlank()
             }
             CommandType.RESPONSE -> {
                 MessageHandlerInst.transmit(
                         ApiMessage(
-                                text = (response?.lazyFormat(getReplacements(user, userId, server, args))
+                                text = (response?.lazyFormat(getReplacements(user, userId, platform, uuid, args))
                                         ?: "")
                         )
                 )
@@ -90,11 +70,13 @@ data class CustomCommand(
     companion object {
         val DEFAULT = CustomCommand()
 
-        fun getReplacements(user: String, userId: String, server: String, args: String): Map<String, () -> String> = mapOf(
+        fun getReplacements(user: String, userId: String, platform: String, uuid: String?, args: String): Map<String, () -> String> = mapOf(
                 "{uptime}" to instance::getUptimeAsString,
                 "{user}" to { user },
                 "{userid}" to { userId },
-                "{server}" to { server },
+                "{uuid}" to { uuid.toString() },
+                "{username}" to { uuid?.let { instance.uuidToName(it) }.toString() },
+                "{platform}" to { platform },
                 "{args}" to { args }
         )
     }

core/src/main/kotlin/matterlink/bridge/command/HelpCommand.kt

@@ -2,15 +2,18 @@ package matterlink.bridge.command
 
 import matterlink.api.ApiMessage
 import matterlink.bridge.MessageHandlerInst
+import matterlink.config.cfg
 import matterlink.stripColorOut
 
-object HelpCommand : IBridgeCommand {
+object HelpCommand : IBridgeCommand() {
     override val help: String = "Returns the help string for the given command. Syntax: help <command>"
-    override val permLevel = 0.0
-    override fun execute(alias: String, user: String, userId: String, server: String, args: String): Boolean {
+    override val permLevel: Double
+        get() = cfg.command.defaultPermUnauthenticated
+
+    override fun execute(alias: String, user: String, userId: String, platform: String, uuid: String?, args: String): Boolean {
         val msg: String = when {
             args.isEmpty() ->
-                "Available commands: ${BridgeCommandRegistry.getCommandList(IBridgeCommand.getPermLevel(userId, server))}"
+                "Available commands: ${BridgeCommandRegistry.getCommandList(IBridgeCommand.getPermLevel(uuid))}"
             else -> args.split(" ", ignoreCase = false)
                     .joinToString(separator = "\n") {
                         "$it: ${BridgeCommandRegistry.getHelpString(it)}"

core/src/main/kotlin/matterlink/bridge/command/IBridgeCommand.kt

@@ -1,27 +1,50 @@
 package matterlink.bridge.command
 
+import matterlink.api.ApiMessage
+import matterlink.bridge.MessageHandlerInst
 import matterlink.config.PermissionConfig
+import matterlink.config.cfg
+import matterlink.handlers.TickHandler
 import matterlink.instance
 
-interface IBridgeCommand {
-    val help: String
-    val permLevel: Double
+abstract class IBridgeCommand {
+    abstract val help: String
+    abstract val permLevel: Double
+    open val timeout: Int = 20
 
-    fun execute(alias: String, user: String, userId: String, server: String, args: String): Boolean
+    protected var lastUsed: Int = 0
 
-    fun canExecute(userId: String, server: String): Boolean {
-        instance.trace("canExecute this: $this canExecute: $userId server: $server permLevel: $permLevel")
-        val canExec = getPermLevel(userId, server) >= permLevel
+    val alias: String
+        get() = BridgeCommandRegistry.getName(this)!!
+
+
+    fun reachedTimeout(): Boolean {
+        return (TickHandler.tickCounter - lastUsed > timeout)
+    }
+
+    fun preExecute() {
+        lastUsed = TickHandler.tickCounter
+    }
+
+    /**
+     *
+     * @return consume message flag
+     */
+    abstract fun execute(alias: String, user: String, userId: String, platform: String, uuid: String?, args: String): Boolean
+
+    fun canExecute(uuid: String?): Boolean {
+        instance.trace("canExecute this: $this  uuid: $uuid permLevel: $permLevel")
+        val canExec = getPermLevel(uuid) >= permLevel
         instance.trace("canExecute return $canExec")
         return canExec
     }
 
-    fun validate() = true
+    open fun validate() = true
 
     companion object {
-        fun getPermLevel(userId: String, server: String): Double {
-            val serverMap = PermissionConfig.perms[server] ?: return 0.0
-            return serverMap[userId] ?: 0.0
+        fun getPermLevel(uuid: String?): Double {
+            if(uuid == null) return cfg.command.defaultPermUnauthenticated
+            return PermissionConfig.perms[uuid] ?: cfg.command.defaultPermAuthenticated
         }
     }
 }

core/src/main/kotlin/matterlink/bridge/command/IMinecraftCommandSender.kt

@@ -4,7 +4,7 @@ import matterlink.api.ApiMessage
 import matterlink.bridge.MessageHandlerInst
 import matterlink.stripColorOut
 
-abstract class IMinecraftCommandSender(val user: String, val userId: String, val server: String, val op: Boolean) {
+abstract class IMinecraftCommandSender(val user: String, val userId: String, val server: String, val uuid: String?, val username: String?, val op: Boolean) {
     /**
      * @param   cmdString The command to execute with its arguments
      *
@@ -12,12 +12,13 @@ abstract class IMinecraftCommandSender(val user: String, val userId: String, val
      */
     abstract fun execute(cmdString: String): Boolean
 
-    val accountName = "$user (id=$userId server=$server)"
+    val displayName = username ?: user
+    val accountName = "$user (id=$userId server=$server uuid=$uuid)"
 
     fun canExecute(commandName: String): Boolean {
         if (op) return true
         val command = BridgeCommandRegistry[commandName] ?: return false
-        return command.canExecute(userId, server)
+        return command.canExecute(uuid)
     }
 
     var reply: String = ""

core/src/main/kotlin/matterlink/bridge/command/PermCommand.kt

@@ -1,57 +0,0 @@
-package matterlink.bridge.command
-
-import matterlink.api.ApiMessage
-import matterlink.bridge.MessageHandlerInst
-import matterlink.config.PermissionConfig
-import matterlink.config.PermissionRequest
-
-object PermCommand : IBridgeCommand {
-    override val help: String = "Requests permissions on the bridge. Syntax: req [powerlevel] [key]"
-    override val permLevel = 0.0
-    override fun execute(alias: String, user: String, userId: String, server: String, args: String): Boolean {
-        val argList = args.split(' ', limit = 2)
-        val requestedLevel = args.toDoubleOrNull() ?: 20.0
-        var unfilteredKey = user
-        var key = unfilteredKey.replace("[^A-Za-z0-9 ]".toRegex(), "").toLowerCase()
-        if (argList.size > 1) {
-            unfilteredKey = argList[1]
-            key = unfilteredKey.replace("[^A-Za-z0-9 ]".toRegex(), "").toLowerCase()
-        }
-        if (key.isBlank()) {
-            MessageHandlerInst.transmit(
-                    ApiMessage(
-                            text = "$unfilteredKey is made up of invalid characters.. please specifiy a key for tracking this request"
-                    )
-            )
-            return true
-        } else if (PermissionConfig.permissionRequests.containsKey(key)) {
-            MessageHandlerInst.transmit(
-                    ApiMessage(
-                            text = "there is already a permission request for $key"
-                    )
-            )
-            return true
-        }
-        val currentPowerlevel = IBridgeCommand.getPermLevel(userId, server)
-        if(currentPowerlevel < 0.0) {
-            MessageHandlerInst.transmit(
-                    ApiMessage(
-                            text = "Your level is $currentPowerlevel seems like someone banned you from making any more requests"
-                    )
-            )
-            return true
-        }
-
-        MessageHandlerInst.transmit(
-                ApiMessage(
-                        text = "requet for powerlevel $requestedLevel from user $user userID: $userId server: $server\n" +
-                                "accept this by executing `bridge acceptPerm $key <level>`\n" +
-                                "setting a negative level will prevent people from sending any more requests"
-                )
-        )
-        PermissionConfig.permissionRequests[key.toLowerCase()] = PermissionRequest(user, server, userId, requestedLevel)
-        // PermissionConfig.add(server, userId, requestedlevel, "authorized by $user")
-        return true
-    }
-
-}

core/src/main/kotlin/matterlink/bridge/command/RequestPermissionsCommand.kt

@@ -0,0 +1,50 @@
+package matterlink.bridge.command
+
+import matterlink.api.ApiMessage
+import matterlink.bridge.MessageHandlerInst
+import matterlink.config.PermissionConfig
+import matterlink.config.PermissionRequest
+import matterlink.config.cfg
+import matterlink.randomString
+
+object RequestPermissionsCommand : IBridgeCommand() {
+    override val help: String = "Requests permissions on the bridge. Syntax: request [permissionLevel]"
+    override val permLevel: Double
+        get() = cfg.command.defaultPermAuthenticated
+
+    override fun execute(alias: String, user: String, userId: String, platform: String, uuid: String?, args: String): Boolean {
+
+        if (uuid == null) {
+            respond("$user is not authenticated (userid: $userId platform: $platform)")
+            return true
+        }
+
+        val argList = args.split(' ', limit = 2)
+        val requestedLevelArg = argList.getOrNull(0)
+        val requestedlevel = requestedLevelArg?.let {
+            it.toDoubleOrNull() ?: run {
+                respond("cannot parse permlevel")
+                return true
+            }
+        }
+
+        val nonce = randomString(length = 3).toUpperCase()
+
+        val requestId = user.toLowerCase()
+
+        PermissionConfig.permissionRequests.put(requestId, PermissionRequest(uuid = uuid, user = user, nonce = nonce, powerlevel = requestedlevel))
+        respond("please ask a op to accept your permission elevation with `/ml permAccept $requestId $nonce [powerlevel]`")
+
+        return true
+    }
+
+
+    private fun respond(text: String) {
+        MessageHandlerInst.transmit(
+                ApiMessage(
+                        text = text
+                )
+        )
+    }
+
+}

core/src/main/kotlin/matterlink/command/CommandCore.kt

@@ -1,52 +0,0 @@
-package matterlink.command
-
-import matterlink.bridge.MessageHandlerInst
-import matterlink.bridge.command.BridgeCommandRegistry
-import matterlink.config.PermissionConfig
-import matterlink.config.baseCfg
-import matterlink.config.cfg
-
-object CommandCore {
-    fun getName() = "bridge"
-
-    fun getAliases() = listOf("BRIDGE", "bridge")
-
-    fun getUsage() = "bridge <connect|disconnect|reload|acceptPerm>"
-
-    fun execute(args: Array<String>, user: String): String {
-        val cmd = args[0].toLowerCase()
-
-        return when (cmd) {
-            "connect" -> {
-                MessageHandlerInst.start( "Bridge connected by console", true)
-                "Attempting bridge connection!"
-            }
-            "disconnect" -> {
-                MessageHandlerInst.stop("Bridge disconnected by console")
-                "Bridge disconnected!"
-            }
-            "reload" -> {
-//                if (MessageHandlerInst.connected)
-                MessageHandlerInst.stop("Bridge restarting (reload command issued by console)")
-                cfg = baseCfg.load()
-                BridgeCommandRegistry.reloadCommands()
-//                if (!MessageHandlerInst.connected)
-                MessageHandlerInst.start("Bridge reconnected", false)
-                "Bridge config reloaded!"
-            }
-            "acceptperm" -> {
-                val key = args.getOrNull(1)?.toLowerCase() ?: return "No argument providing they request key"
-                val request = PermissionConfig.permissionRequests[key] ?: return "No request found for key $key"
-                val powerLevelArg = args.getOrNull(2)?.toDoubleOrNull()
-                val powerLevel = powerLevelArg ?: request.powerlevel ?: return "no powerLevel provided or it cannot be parsed"
-                PermissionConfig.add(request.platform, request.userId, powerLevel, "${request.user} Authorized by $user")
-                PermissionConfig.permissionRequests.remove(key)
-                "added ${request.user} (platform: ${request.platform} userId: ${request.userId}) with power level: $powerLevel"
-            }
-            else -> {
-                "Invalid arguments for command!"
-            }
-        }
-    }
-
-}

core/src/main/kotlin/matterlink/command/CommandCoreAuth.kt

@@ -0,0 +1,77 @@
+package matterlink.command
+
+import matterlink.bridge.MessageHandlerInst
+import matterlink.bridge.command.BridgeCommandRegistry
+import matterlink.config.IdentitiesConfig
+import matterlink.config.PermissionConfig
+import matterlink.config.baseCfg
+import matterlink.config.cfg
+
+object CommandCoreAuth {
+    val name = "auth"
+
+    val aliases = listOf("authenticate")
+
+    val usage = "auth <accept|reject> <id> <code>"
+
+    fun execute(args: Array<String>, user: String, uuid: String?): String {
+        val cmd = args[0].toLowerCase()
+
+        return when (cmd) {
+            "accept" -> {
+                val requestId = args.getOrNull(1)?.toLowerCase() ?: run {
+                    return "no requestId passed"
+                }
+                val request = IdentitiesConfig.authRequests.getIfPresent(requestId.toLowerCase()) ?: run {
+                    return "No request available"
+                }
+                val nonce = args.getOrNull(2)?.toUpperCase() ?: run {
+                    return "no code passed"
+                }
+                if(request.nonce != nonce) {
+                    return "nonce in request does not match"
+                }
+                if(request.username != user) {
+                    return "username in request does not match ${request.username} != $user"
+                }
+                if(request.uuid != uuid) {
+                    return "uuid in request does not match ${request.uuid} != $uuid"
+                }
+
+                IdentitiesConfig.add(request.uuid, request.username, request.platform, request.userid, "Accepted by $user")
+
+                IdentitiesConfig.authRequests.invalidate(requestId)
+                "${request.userid} on ${request.platform} is now identified as $user"
+            }
+            "reject" -> {
+
+                val requestId = args.getOrNull(1)?.toLowerCase() ?: run {
+                    return "no requestId passed"
+                }
+                val request = IdentitiesConfig.authRequests.getIfPresent(requestId.toLowerCase()) ?: run {
+                    return "No request available"
+                }
+                val nonce = args.getOrNull(2)?.toUpperCase() ?: run {
+                    return "no code passed"
+                }
+                if(request.nonce != nonce) {
+                    return "nonce in request does not match"
+                }
+                if(request.username != user) {
+                    return "username in request does not match ${request.username} != $user"
+                }
+                if(request.uuid != uuid) {
+                    return "uuid in request does not match ${request.uuid} != $uuid"
+                }
+
+                IdentitiesConfig.authRequests.invalidate(requestId)
+                "request $nonce for ${request.userid} on ${request.platform} was invalidated"
+            }
+            else -> {
+                "Invalid arguments for command! \n" +
+                        "usage: $usage"
+            }
+        }
+    }
+
+}

core/src/main/kotlin/matterlink/command/CommandCoreML.kt

@@ -0,0 +1,65 @@
+package matterlink.command
+
+import matterlink.bridge.MessageHandlerInst
+import matterlink.bridge.command.BridgeCommandRegistry
+import matterlink.config.PermissionConfig
+import matterlink.config.baseCfg
+import matterlink.config.cfg
+
+object CommandCoreML {
+    val name = "ml"
+
+    val aliases = listOf("matterlink")
+
+    val usage = "ml <connect|disconnect|reload|auth>"
+
+    fun execute(args: Array<String>, user: String, uuid: String?): String {
+        val cmd = args[0].toLowerCase()
+
+        return when (cmd) {
+            "connect" -> {
+                MessageHandlerInst.start("Bridge connected by console", true)
+                "Attempting bridge connection!"
+            }
+            "disconnect" -> {
+                MessageHandlerInst.stop("Bridge disconnected by console")
+                "Bridge disconnected!"
+            }
+            "reload" -> {
+//                if (MessageHandlerInst.connected)
+                MessageHandlerInst.stop("Bridge restarting (reload command issued by console)")
+                cfg = baseCfg.load()
+                BridgeCommandRegistry.reloadCommands()
+//                if (!MessageHandlerInst.connected)
+                MessageHandlerInst.start("Bridge reconnected", false)
+                "Bridge config reloaded!"
+            }
+            "permaccept" -> {
+                val requestId = args.getOrNull(1)?.toLowerCase() ?: run {
+                    return "no requestId passed"
+                }
+                val request = PermissionConfig.permissionRequests.getIfPresent(requestId.toLowerCase()) ?: run {
+                    return "No request available"
+                }
+                val nonce = args.getOrNull(2)?.toUpperCase() ?: run {
+                    return "no code passed"
+                }
+                if (request.nonce != nonce) {
+                    return "nonce in request does not match"
+                }
+                val powerLevelArg = args.getOrNull(2)?.toDoubleOrNull()
+                val powerLevel = powerLevelArg ?: run { return "permLevel cannot be parsed" }
+                        ?: request.powerlevel
+                        ?: return "no permLevel provided"
+                PermissionConfig.add(request.uuid, powerLevel, "${request.user} Authorized by $user")
+                PermissionConfig.permissionRequests.invalidate(requestId)
+                "added ${request.user} (uuid: ${request.uuid}) with power level: $powerLevel"
+            }
+            else -> {
+                "Invalid arguments for command! \n" +
+                        "usage: ${CommandCoreAuth.usage}"
+            }
+        }
+    }
+
+}

core/src/main/kotlin/matterlink/config/BaseConfig.kt

@@ -37,7 +37,10 @@ data class BaseConfig(val rootDir: File) {
     data class CommandOptions(
             val prefix: Char = '!',
             val enable: Boolean = true,
-            val permissionRequests: Boolean = true
+            val authRequests: Boolean = true,
+            val permisionRequests: Boolean = true,
+            val defaultPermUnauthenticated: Double = 0.0,
+            val defaultPermAuthenticated: Double = 1.0
     )
 
     data class ConnectOptions(
@@ -175,10 +178,25 @@ data class BaseConfig(val rootDir: File) {
                                         prefix,
                                         "Prefix for MC bridge commands. Accepts a single character (not alphanumeric or /)"
                                 ),
-                                permissionRequests = it.getOrDefault(
-                                        "permissionRequests",
-                                        permissionRequests,
-                                        "Enable the 'req' command for requestion permissions from chat"
+                                authRequests = it.getOrDefault(
+                                        "authRequests",
+                                        authRequests,
+                                        "Enable the 'auth' command for linking chat accounts to uuid / ingame account"
+                                ),
+                                permisionRequests = it.getOrDefault(
+                                        "permisionRequests",
+                                        authRequests,
+                                        "Enable the 'request' command for requestion permissions from chat"
+                                ),
+                                defaultPermUnauthenticated = it.getOrDefault(
+                                        "defaultPermUnauthenticated",
+                                        defaultPermUnauthenticated,
+                                        "default permission level for unauthenticated players"
+                                ),
+                                defaultPermAuthenticated = it.getOrDefault(
+                                        "defaultPermAuthenticated",
+                                        defaultPermAuthenticated,
+                                        "default permission level for players that hve linked their accounts"
                                 )
                         )
                     }

core/src/main/kotlin/matterlink/config/CommandConfig.kt

@@ -54,7 +54,7 @@ object CommandConfig {
             "whoami" to ("this shows you some of the other response macros"
                     to CustomCommand(
                     type = CommandType.RESPONSE,
-                    response = "server: `{server}` userid: `{userid}` user: `{user}`",
+                    response = "name: `{user}` userid: `{userid}` platform: `{platform}` username: `{username}` uuid: `{uuid}`",
                     help = "Print debug user data",
                     timeout = 200,
                     defaultCommand = true
@@ -73,7 +73,7 @@ object CommandConfig {
 
     val commands: CommandMap = hashMapOf()
 
-    fun readConfig(): Boolean {
+    fun loadFile() {
         val jankson = Jankson
                 .builder()
                 .registerTypeAdapter { jsonObj ->
@@ -96,7 +96,7 @@ object CommandConfig {
                 }
                 .build()
 
-        jankson.marshaller.registerSerializer(Regex::class.java) { regex, marshaller ->
+        jankson.marshaller.registerSerializer(Regex::class.java) { regex, _ ->
             JsonPrimitive(regex.pattern)
         }
 
@@ -142,7 +142,5 @@ object CommandConfig {
             }
         }
         configFile.writeText(nonDefaultJsonObj.toJson(true, true))
-
-        return true
     }
 }

core/src/main/kotlin/matterlink/config/IdentitiesConfig.kt

@@ -0,0 +1,126 @@
+package matterlink.config
+
+import blue.endless.jankson.Jankson
+import blue.endless.jankson.JsonObject
+import blue.endless.jankson.impl.Marshaller
+import blue.endless.jankson.impl.SyntaxError
+import com.google.common.cache.Cache
+import com.google.common.cache.CacheBuilder
+import matterlink.getList
+import matterlink.getOrDefault
+import matterlink.instance
+import java.io.File
+import java.io.FileNotFoundException
+import java.util.concurrent.TimeUnit
+
+typealias IdentMap = Map<String, Map<String, List<String>>>
+
+data class AuthRequest(
+        val username: String,
+        val uuid: String,
+        val nonce: String,
+        val platform: String,
+        val userid: String
+)
+
+object IdentitiesConfig {
+    val authRequests: Cache<String, AuthRequest> = CacheBuilder.newBuilder()
+            .expireAfterWrite(10, TimeUnit.MINUTES)
+            .build()
+
+    private val jankson = Jankson
+            .builder()
+            .build()
+
+    private val configFile: File = baseCfg.cfgDirectory.resolve("identities.hjson")
+
+    private val default = mapOf(
+            ("edd31c45-b095-49c5-a9f5-59cec4cfed8c" to mapOf(
+                    "discord.game" to (listOf("112228624366575616") to "discord id")
+            ) to "username: NikkyAi")
+    )
+
+    var idents: IdentMap = mapOf()
+        private set
+
+    private var jsonObject: JsonObject = JsonObject()
+
+    fun loadFile() {
+
+        val defaultJsonObject = JsonObject().apply {
+            default.forEach { (uuid, userMap), uuidComment ->
+                val jsonUserMap = this.putDefault(uuid, JsonObject(), uuidComment)
+                if (jsonUserMap is JsonObject) {
+                    userMap.forEach { platform, (user, comment) ->
+                        instance.trace("loading uuid: $uuid platform: $platform user: $user")
+                        val element = Marshaller.getFallback().serialize(user)
+                        jsonUserMap.putDefault(platform, element, comment.takeUnless { it.isBlank() })
+                    }
+                    this[uuid] = jsonUserMap
+                } else {
+                    instance.error("cannot parse uuid: $uuid , value: '$jsonUserMap' as Map, skipping")
+                }
+            }
+        }
+
+        var save = true
+        jsonObject = try {
+            jankson.load(configFile)
+        } catch (e: SyntaxError) {
+            instance.error("error parsing config: ${e.completeMessage}")
+            save = false
+            defaultJsonObject
+        } catch (e: FileNotFoundException) {
+            instance.error("cannot find config: $configFile .. creating sample permissions mapping")
+            configFile.createNewFile()
+            defaultJsonObject
+        }
+
+        load(save)
+    }
+
+    private fun load(save: Boolean = true) {
+        val tmpIdents: MutableMap<String, Map<String, List<String>>> = mutableMapOf()
+        jsonObject.forEach { uuid, jsonIdentifier ->
+            val identMap: MutableMap<String, List<String>> = tmpIdents[uuid]?.toMutableMap() ?: mutableMapOf()
+            if (jsonIdentifier is JsonObject) {
+                jsonIdentifier.forEach { platform, user ->
+                    instance.info("$uuid $platform $user")
+                    identMap[platform] = jsonIdentifier.getList(platform) ?: emptyList()
+                }
+            }
+            tmpIdents[uuid] = identMap.toMap()
+        }
+        idents = tmpIdents.toMap()
+
+        instance.info("Identities loaded")
+
+        if (save)
+            configFile.writeText(jsonObject.toJson(true, true))
+    }
+
+    fun add(uuid: String, username: String, platform: String, userid: String, comment: String? = null) {
+        val platformObject = jsonObject.getObject(uuid) ?: JsonObject()
+        platformObject.putDefault(platform, userid, comment)
+        val userIdList = platformObject.getList<String>(platform) ?: emptyList()
+        platformObject[platform] = platformObject.marshaller.serialize(userIdList + userid)
+        jsonObject[uuid] = platformObject
+
+        if (jsonObject.getComment(uuid) == null) {
+            jsonObject.setComment(uuid, "Username: $username")
+        }
+
+        load()
+    }
+
+    //TODO: rewrite, store ident map differently in memory
+    fun getUUID(platform: String, userid: String): String? {
+        return idents.entries.firstOrNull { (uuid, usermap) ->
+            usermap.entries.any { (_platform, userids) ->
+                if (platform.equals(_platform, true))
+                    instance.info("platform: $_platform userids: $userids")
+                platform.equals(_platform, true) && userids.contains(userid)
+            }
+        }?.key
+    }
+}

core/src/main/kotlin/matterlink/config/PermissionConfig.kt

@@ -2,23 +2,28 @@ package matterlink.config
 
 import blue.endless.jankson.Jankson
 import blue.endless.jankson.JsonObject
-import blue.endless.jankson.impl.Marshaller
 import blue.endless.jankson.impl.SyntaxError
+import com.google.common.cache.Cache
+import com.google.common.cache.CacheBuilder
+import matterlink.getReified
 import matterlink.instance
 import java.io.File
 import java.io.FileNotFoundException
+import java.util.concurrent.TimeUnit
 
-typealias PermissionMap = MutableMap<String, MutableMap<String, Double>>
+typealias PermissionMap = Map<String, Double>
 
 data class PermissionRequest(
+        val uuid: String,
         val user: String,
-        val platform: String,
-        val userId: String,
+        val nonce: String,
         val powerlevel: Double? = null
 )
 
 object PermissionConfig {
-    val permissionRequests = mutableMapOf<String, PermissionRequest>()
+    val permissionRequests: Cache<String, PermissionRequest> = CacheBuilder.newBuilder()
+            .expireAfterWrite(10, TimeUnit.MINUTES)
+            .build()
     private val jankson = Jankson
             .builder()
             .build()
@@ -26,34 +31,16 @@ object PermissionConfig {
     private val configFile: File = baseCfg.cfgDirectory.resolve("permissions.hjson")
 
     private val default = mapOf(
-            "irc.esper" to mapOf(
-                    "~nikky@nikky.moe" to (0.0 to "IRC users are identified by their username and hostmask"),
-                    "user@example.com" to (0.0 to "")
-            ),
-            "discord.game" to mapOf(
-                    "112228624366575616" to (0.0 to "thats a discord user id")
-            )
+            "edd31c45-b095-49c5-a9f5-59cec4cfed8c" to 9000.0 to "Superuser"
     )
 
     val perms: PermissionMap = mutableMapOf()
     private var jsonObject: JsonObject = JsonObject()
 
-    fun loadPermFile(): Boolean {
-        permissionRequests.clear()
-
+    fun loadFile() {
         val defaultJsonObject = JsonObject().apply {
-            default.forEach { platform, userMap ->
-                val jsonUserMap = this.getOrDefault(platform, JsonObject())
-                if (jsonUserMap is JsonObject) {
-                    userMap.forEach { user, (powerlevel, comment) ->
-                        instance.trace("loading platform: $platform user: $user powerlevel: $powerlevel")
-                        val element = Marshaller.getFallback().serialize(powerlevel)
-                        jsonUserMap.putDefault(user, element, comment.takeUnless { it.isBlank() })
-                    }
-                    this[platform] = jsonUserMap
-                } else {
-                    instance.error("cannot parse platform: $platform , value: '$jsonUserMap' as Map, skipping")
-                }
+            default.forEach { (uuid, level), comment ->
+                jsonObject.putDefault(uuid, level, comment)
             }
         }
 
@@ -71,33 +58,27 @@ object PermissionConfig {
         }
 
         load(save)
-
-        return true
     }
 
     private fun load(save: Boolean = true) {
-        perms.clear()
-        jsonObject.forEach { platform, jsonUserMap ->
-            val userMap = perms[platform] ?: mutableMapOf()
-            if (jsonUserMap is JsonObject) {
-                jsonUserMap.forEach { user, powerlevel ->
-                    instance.info("$platform $user $powerlevel")
-                    userMap[user] = jsonUserMap.get(Double::class.java, user) ?: 0.0
+        val tmpPerms = mutableMapOf<String, Double>()
+        for ((uuid, powerlevel) in jsonObject) {
+            val tmpLevel = jsonObject.getReified<Double>(uuid)
+            if (tmpLevel == null) {
+                instance.warn("cannot parse permission uuid: $uuid level: $powerlevel")
+                continue
             }
+            tmpPerms[uuid] = tmpLevel
         }
-            perms[platform] = userMap
-        }
+
         instance.info("Permissions reloaded")
 
         if (save)
             configFile.writeText(jsonObject.toJson(true, true))
     }
 
-    fun add(platform: String, userid: String, powerlevel: Double, comment: String? = null) {
-        val platformObject = jsonObject.getObject(platform) ?: JsonObject()
-        platformObject.putDefault(userid, powerlevel, comment)
-        jsonObject[platform] = platformObject
-
+    fun add(uuid: String, powerlevel: Double, comment: String? = null) {
+        jsonObject.putDefault(uuid, powerlevel, comment)
         load()
     }
 }