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base: cnml:main
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cnml:main
cnml:routing
cnml:1.1.5
cnml:1.1.4
cnml:1.1.3
cnml:1.1.2
cnml:1.1.1
cnml:1.1.0
cnml:1.0.2
cnml:1.0.1
cnml:1.0.0
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compare: cnml:routing
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cnml:main
cnml:routing
cnml:1.1.5
cnml:1.1.4
cnml:1.1.3
cnml:1.1.2
cnml:1.1.1
cnml:1.1.0
cnml:1.0.2
cnml:1.0.1
cnml:1.0.0

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31 changed files with 431 additions and 1336 deletions
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1
MinecraftDiscordBot.sln
View File

@ -6,7 +6,6 @@ MinimumVisualStudioVersion = 10.0.40219.1
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{CE65C879-794A-4695-B659-7376FE7DB5E3}" Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{CE65C879-794A-4695-B659-7376FE7DB5E3}"
ProjectSection(SolutionItems) = preProject ProjectSection(SolutionItems) = preProject
.gitignore = .gitignore .gitignore = .gitignore
build.py = build.py
MinecraftDiscordBot\bin\Debug\net6.0\config.json = MinecraftDiscordBot\bin\Debug\net6.0\config.json MinecraftDiscordBot\bin\Debug\net6.0\config.json = MinecraftDiscordBot\bin\Debug\net6.0\config.json
EndProjectSection EndProjectSection
EndProject EndProject

44
MinecraftDiscordBot/AesCipher.cs
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@ -1,44 +0,0 @@
using System.Security.Cryptography;
namespace MinecraftDiscordBot;
public class AesCipher : ICipher {
private readonly byte[] key;
private readonly byte[] iv;
public AesCipher() {
using var aes = Aes.Create();
aes.GenerateKey();
aes.GenerateIV();
key = aes.Key;
iv = aes.IV;
}
public byte[] Encrypt(byte[] plain) {
using var aes = Aes.Create();
aes.Key = key;
aes.IV = iv;
var transformer = aes.CreateEncryptor();
using var ms = new MemoryStream();
using (var cs = new CryptoStream(ms, transformer, CryptoStreamMode.Write))
cs.Write(plain);
return ms.ToArray();
}
public byte[] Decrypt(byte[] cipher) {
using Aes aes = Aes.Create();
aes.Key = key;
aes.IV = iv;
var transformer = aes.CreateDecryptor();
using MemoryStream ms = new MemoryStream(cipher);
using CryptoStream cs = new CryptoStream(ms, transformer, CryptoStreamMode.Read);
using MemoryStream os = new MemoryStream();
cs.CopyTo(os);
return os.ToArray();
}
}
public interface ICipher {
byte[] Decrypt(byte[] cipher);
byte[] Encrypt(byte[] plain);
}

14
MinecraftDiscordBot/BotConfiguration.cs
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@ -11,11 +11,8 @@ public class BotConfiguration : IBotConfiguration, IBotConfigurator {
[JsonProperty("token", Required = Required.Always)] [JsonProperty("token", Required = Required.Always)]
[Option('t', "token", HelpText = "The Discord bot token", Required = true)] [Option('t', "token", HelpText = "The Discord bot token", Required = true)]
public string Token { get; init; } = default!; public string Token { get; init; } = default!;
[JsonProperty("address", Required = Required.Always)]
[Option('a', "address", HelpText = "The connection string for the websocket", Required = true)]
public string Address { get; init; } = default!;
[JsonProperty("port", Required = Required.DisallowNull)] [JsonProperty("port", Required = Required.DisallowNull)]
[Option('p', "port", Default = DEFAULT_PORT, HelpText = "The websocket server listen port")] [Option('p', "port", Default = DEFAULT_PORT, HelpText = "The websocket server port")]
public int Port { get; init; } = DEFAULT_PORT; public int Port { get; init; } = DEFAULT_PORT;
[JsonProperty("channels", Required = Required.Always)] [JsonProperty("channels", Required = Required.Always)]
[Option('c', "channel", HelpText = "The list of whitelisted channels", Required = true, Min = 1)] [Option('c', "channel", HelpText = "The list of whitelisted channels", Required = true, Min = 1)]
@ -23,15 +20,6 @@ public class BotConfiguration : IBotConfiguration, IBotConfigurator {
[JsonProperty("prefix", Required = Required.DisallowNull)] [JsonProperty("prefix", Required = Required.DisallowNull)]
[Option("prefix", Default = DEFAULT_PREFIX, HelpText = "The Discord bot command prefix")] [Option("prefix", Default = DEFAULT_PREFIX, HelpText = "The Discord bot command prefix")]
public string Prefix { get; init; } = DEFAULT_PREFIX; public string Prefix { get; init; } = DEFAULT_PREFIX;
[JsonProperty("host", Required = Required.Always)]
[Option("host", Default = DEFAULT_PREFIX, HelpText = "The external websocket hostname.", Required = true)]
public string SocketHost { get; init; } = default!;
[JsonProperty("admins", Required = Required.DisallowNull)]
[Option("admins", Default = new ulong[] { }, HelpText = "The list of bot administrators.")]
public ulong[] Administrators { get; init; } = Array.Empty<ulong>();
[JsonProperty("logchannel", Required = Required.DisallowNull)]
[Option("logchannel", Default = null, HelpText = "Optionally the id of a channel to mirror log to.")]
public ulong? LogChannel { get; init; } = null;
[JsonIgnore] [JsonIgnore]
public BotConfiguration Config => this; public BotConfiguration Config => this;
} }

19
MinecraftDiscordBot/ChunkWaiter.cs
View File

@ -1,7 +1,4 @@
using MinecraftDiscordBot.Models; namespace MinecraftDiscordBot;
using MinecraftDiscordBot.Services;
namespace MinecraftDiscordBot;
public class ChunkWaiter<T> : IChunkWaiter { public class ChunkWaiter<T> : IChunkWaiter {
public int ID { get; } public int ID { get; }
@ -18,7 +15,7 @@ public class ChunkWaiter<T> : IChunkWaiter {
public bool IsCancellationRequested => _ct.IsCancellationRequested; public bool IsCancellationRequested => _ct.IsCancellationRequested;
private string?[]? _chunks = null; private string?[]? _chunks = null;
private int _receivedChunks = 0; private int _receivedChunks = 0;
private ResultState? _state = null; private bool _success = true;
private readonly object _syncRoot = new(); private readonly object _syncRoot = new();
public void AddChunk(int chunkId, int totalChunks, string value) { public void AddChunk(int chunkId, int totalChunks, string value) {
lock (_syncRoot) { lock (_syncRoot) {
@ -38,15 +35,9 @@ public class ChunkWaiter<T> : IChunkWaiter {
} }
private void FinalizeResult(string?[] _chunks) { private void FinalizeResult(string?[] _chunks) {
var resultString = string.Concat(_chunks); var resultString = string.Concat(_chunks);
switch (_state) { if (_success) tcs.SetResult(resultParser(resultString));
case ResultState.Successful: tcs.SetResult(resultParser(resultString)); break; else tcs.SetException(new ReplyException(resultString));
case ResultState.Unsuccessful: tcs.SetException(new ReplyException(resultString)); break;
case ResultState.Fatal: tcs.SetException(new InvalidProgramException($"Client script failed: {resultString}")); break;
default: throw new InvalidProgramException($"Program cannot handle result state '{_state}'!");
}
Finished = true; Finished = true;
} }
public void SetResultState(ResultState state) => _state = _state is ResultState oldState && state != oldState public void SetUnsuccessful() => _success = false;
? throw new InvalidOperationException("Cannot set two different result states for same message!")
: state;
} }

269
MinecraftDiscordBot/ClientScript.lua
View File

@ -1,269 +0,0 @@
local secretToken = "$TOKEN"
local connectionUri = "$HOST"
local waitSeconds = 5
-- https://github.com/cc-tweaked/CC-Tweaked/blob/9cf70b10effeeed23e0e9c537bbbe0b2ff0d1a0f/src/main/java/dan200/computercraft/core/apis/http/options/AddressRule.java#L29
-- Chunk size must be less than packet size (type reply, success, chunkids, content: chunk) 16 kb for buffer
local maxMessageSize = (128 - 16) * 1024
local function chunkString(value, chunkSize)
if not chunkSize then chunkSize = maxMessageSize end
local length = value:len()
local total = math.ceil(length / chunkSize)
local chunks = {}
if length == 0 then
total = 1
chunks[1] = ""
else
local i = 1
for i=1,total do
local pos = 1 + ((i - 1) * chunkSize)
chunks[i] = value:sub(pos, pos + chunkSize - 1)
end
end
return total, chunks
end
local function sendJson(socket, message)
return socket.send(textutils.serializeJSON(message))
end
local function sendResponse(socket, id, result, success)
if success == nil then success = 0 end
local total, chunks = chunkString(result)
for i, chunk in pairs(chunks) do
sendJson(socket, { type = "reply", id = id, result = chunk, chunk = i, total = total, success = success })
end
end
-- error: no rs system
-- return rssystem rs
local function getPeripheral(name)
local dev = peripheral.find(name)
if not dev then error({message = "No peripheral '"..name.."' attached to the computer!"}) end
return dev
end
local function runRsCommand(params)
local script, reason = loadstring("local rs = peripheral.find(\"rsBridge\") if not rs then error({message = \"RS Bridge is not attached!\"}) end return rs."..params.command)
if not script then error({message = "Invalid command: "..reason.."!"}) end
local result = table.pack(pcall(script))
local success = result[1]
if not success then error({message = "Command execution failed: "..result[2].."!"}) end
local retvals = {}
retvals.n = result.n - 1
for i=1,retvals.n do retvals[tostring(i)] = result[i + 1] end
return textutils.serializeJSON(retvals)
end
local function getPeripheralInfo(side)
return {type = peripheral.getType(side), methods = peripheral.getMethods(side), side = side}
end
local function getPeripheralList()
local pers = {}
for i,side in pairs(peripheral.getNames()) do pers[side] = getPeripheralInfo(side) end
return pers
end
-- error: any error during execution
-- return string result
local function getResponse(parsed)
if parsed.method == "energyusage" then
return tostring(getPeripheral("rsBridge").getEnergyUsage())
elseif parsed.method == "energystorage" then
return tostring(getPeripheral("rsBridge").getEnergyStorage())
elseif parsed.method == "listitems" then
return textutils.serializeJSON(getPeripheral("rsBridge").listItems())
elseif parsed.method == "listfluids" then
return textutils.serializeJSON(getPeripheral("rsBridge").listFluids())
elseif parsed.method == "craft" then
return tostring(getPeripheral("rsBridge").craftItem(parsed.params))
elseif parsed.method == "getitem" then
local item = getPeripheral("rsBridge").getItem(parsed.params)
if not item then error({message = "Requested item not found!"}) end
return textutils.serializeJSON(item)
elseif parsed.method == "command" then
return runRsCommand(parsed.params)
elseif parsed.method == "peripherals" then
return textutils.serializeJSON(getPeripheralList())
elseif parsed.method == "getonline" then
return textutils.serializeJSON(getPeripheral("playerDetector").getOnlinePlayers())
elseif parsed.method == "whereis" then
local pos = getPeripheral("playerDetector").getPlayerPos(parsed.params.username)
if not pos then return "null" end
return textutils.serializeJSON(pos)
elseif parsed.method == "send" then
if not parsed.params.username then
getPeripheral("chatBox").sendMessage(parsed.params.message, parsed.params.prefix)
else
getPeripheral("chatBox").sendMessageToPlayer(parsed.params.message, parsed.params.username, parsed.params.prefix)
end
return "true"
end
error({message = "No message handler for method: "..parsed.method.."!"})
end
local function logJSON(json, prefix)
if not prefix then prefix = "" end
for k,v in pairs(json) do
local key = prefix..k
if type(v) == "table" then
logJSON(v, key..".")
else
print(key, "=", textutils.serializeJSON(v))
end
end
end
-- return bool success
local function handleMessage(socket, message)
local parsed, reason = textutils.unserializeJSON(message)
if not parsed then
print("Received message:", message)
printError("Message could not be parsed:", reason)
return false
end
pcall(function() print("Received JSON:") logJSON(parsed) end)
if parsed.type == "request" then
local success, result = pcall(function() return getResponse(parsed) end)
if not success then
if not result.message then
sendResponse(socket, parsed.id, result, 2)
else
sendResponse(socket, parsed.id, result.message, 1)
end
else
sendResponse(socket, parsed.id, result, 0)
end
return true
end
printError("Invalid message type:", parsed.type)
return false
end
local function responder(socket)
while true do
local message, binary = socket.receive()
if not not message and not binary then
if message == "outdated" then
printError("Current script is outdated! Please update from the host!")
return
end
handleMessage(socket, message)
end
end
end
local function termWaiter()
os.pullEvent("terminate")
end
local function chatEventListener(socket)
while true do
event, username, message, uuid, hidden = os.pullEvent("chat")
sendJson(socket, {type = "chat", username = username, message = message, uuid = uuid, hidden = hidden})
print("Chat event relayed!")
end
end
local function peripheralDetachEventListener(socket)
while true do
event, side = os.pullEvent("peripheral_detach")
sendJson(socket, {type = "peripheral_detach", side = side})
print("Peripheral was detached!")
end
end
local function peripheralAttachEventListener(socket)
while true do
event, side = os.pullEvent("peripheral")
sendJson(socket, {type = "peripheral", peripheral = getPeripheralInfo(side) })
print("Peripheral was attached!")
end
end
local function listAsSet(list)
local asSet = {}
for i,elem in pairs(list) do asSet[elem] = true end
return asSet
end
local function joinSets(a, b)
local joined = {}
for elem,exists in pairs(a) do if exists then joined[elem] = true end end
for elem,exists in pairs(b) do if exists then joined[elem] = true end end
return joined
end
local function playerStatusEventListener(socket)
local players = {}
while true do
local pd = peripheral.find("playerDetector")
if not not pd then
players = listAsSet(pd.getOnlinePlayers())
break
end
printError("playerDetector not connected!")
sleep(5)
end
while true do
local pd = peripheral.find("playerDetector")
if not not pd then
local newPlayers = listAsSet(pd.getOnlinePlayers())
for player,_ in pairs(joinSets(players, newPlayers)) do
if players[player] and (not newPlayers[player]) then
sendJson(socket, {type = "playerstatus", player = player, status = false})
elseif (not players[player]) and newPlayers[player] then
sendJson(socket, {type = "playerstatus", player = player, status = true})
end
end
players = newPlayers
end
sleep(1)
end
end
local function eventListeners(socket)
parallel.waitForAny(
termWaiter,
function() chatEventListener(socket) end,
function() playerStatusEventListener(socket) end,
function() peripheralDetachEventListener(socket) end,
function() peripheralAttachEventListener(socket) end
)
end
local function socketClient()
print("Connecting to the socket server at "..connectionUri.."...")
local socket, reason = http.websocket(connectionUri)
if not socket then error("Socket server could not be reached: "..reason) end
print("Connection successful!")
socket.send("login="..secretToken)
parallel.waitForAny(
function() responder(socket) end,
function() eventListeners(socket) end
)
socket.close()
end
local function main()
while true do
local status, error = pcall(socketClient)
if status then break end
printError("An uncaught exception was raised:", error)
printError("Restarting in", waitSeconds, "seconds...")
sleep(waitSeconds)
end
end
local oldPullEvent = os.pullEvent
os.pullEvent = os.pullEventRaw
pcall(main)
os.pullEvent = oldPullEvent

15
MinecraftDiscordBot/Commands/CommandRouter.cs → MinecraftDiscordBot/CommandRouter.cs
View File

@ -1,15 +1,12 @@
using Discord.WebSocket; using Discord;
using MinecraftDiscordBot.Models; using Discord.WebSocket;
using MinecraftDiscordBot.Services;
using System.Reflection; using System.Reflection;
using System.Text; using System.Text;
namespace MinecraftDiscordBot.Commands; namespace MinecraftDiscordBot;
public abstract class CommandRouter : ICommandHandler<ResponseType> { public abstract class CommandRouter : ICommandHandler<ResponseType> {
public record struct HandlerStruct(HandleCommandDelegate<ResponseType> Delegate, CommandHandlerAttribute Attribute);
private readonly Dictionary<string, HandlerStruct> _handlers = new(); private readonly Dictionary<string, HandlerStruct> _handlers = new();
public abstract string HelpTextPrefix { get; } public abstract string HelpTextPrefix { get; }
public CommandRouter() { public CommandRouter() {
foreach (var method in GetType().GetMethods()) foreach (var method in GetType().GetMethods())
@ -27,7 +24,7 @@ public abstract class CommandRouter : ICommandHandler<ResponseType> {
=> Task.FromResult(ResponseType.AsString(GenerateHelp())); => Task.FromResult(ResponseType.AsString(GenerateHelp()));
private static CommandHandlerAttribute? GetHandlerAttribute(MethodInfo method) private static CommandHandlerAttribute? GetHandlerAttribute(MethodInfo method)
=> method.GetCustomAttributes(typeof(CommandHandlerAttribute), true).OfType<CommandHandlerAttribute>().FirstOrDefault(); => method.GetCustomAttributes(typeof(CommandHandlerAttribute), true).OfType<CommandHandlerAttribute>().FirstOrDefault();
public virtual Task<ResponseType> RootAnswer(SocketUserMessage message, CancellationToken ct) => GetHelpText(message, Array.Empty<string>(), ct); public abstract Task<ResponseType> RootAnswer(SocketUserMessage message, CancellationToken ct);
public abstract Task<ResponseType> FallbackHandler(SocketUserMessage message, string method, string[] parameters, CancellationToken ct); public abstract Task<ResponseType> FallbackHandler(SocketUserMessage message, string method, string[] parameters, CancellationToken ct);
public Task<ResponseType> HandleCommand(SocketUserMessage message, string[] parameters, CancellationToken ct) public Task<ResponseType> HandleCommand(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> parameters is { Length: 0 } => parameters is { Length: 0 }
@ -45,4 +42,6 @@ public abstract class CommandRouter : ICommandHandler<ResponseType> {
} }
return sb.ToString(); return sb.ToString();
} }
} }
public record struct HandlerStruct(HandleCommandDelegate<ResponseType> Delegate, CommandHandlerAttribute Attribute);

8
MinecraftDiscordBot/Commands/CommandHandlerAttribute.cs
View File

@ -1,8 +0,0 @@
namespace MinecraftDiscordBot.Commands;
[AttributeUsage(AttributeTargets.Method, Inherited = true, AllowMultiple = false)]
public sealed class CommandHandlerAttribute : Attribute {
public CommandHandlerAttribute(string commandName) => CommandName = commandName;
public string CommandName { get; }
public string? HelpText { get; init; }
}

273
MinecraftDiscordBot/ConnectedComputer.cs Normal file
View File

@ -0,0 +1,273 @@
using Discord;
using Discord.WebSocket;
using Fleck;
using Newtonsoft.Json;
using System.Diagnostics;
using System.Runtime.Serialization;
using System.Text;
namespace MinecraftDiscordBot;
public delegate Task<TResponse> HandleCommandDelegate<TResponse>(SocketUserMessage message, string[] parameters, CancellationToken ct);
public delegate Task HandleCommandDelegate(SocketUserMessage message, string[] parameters, CancellationToken ct);
[AttributeUsage(AttributeTargets.Method, Inherited = true, AllowMultiple = false)]
public sealed class CommandHandlerAttribute : Attribute {
public CommandHandlerAttribute(string commandName) => CommandName = commandName;
public string CommandName { get; }
public string? HelpText { get; init; }
}
public class RefinedStorageService : CommandRouter {
private readonly ITaskWaitSource _taskSource;
public override string HelpTextPrefix => "!rs ";
public RefinedStorageService(ITaskWaitSource taskSource) : base() => _taskSource = taskSource;
public override Task<ResponseType> FallbackHandler(SocketUserMessage message, string method, string[] parameters, CancellationToken ct)
=> Task.FromResult(ResponseType.AsString($"The RS system has no command '{method}'!"));
public override Task<ResponseType> RootAnswer(SocketUserMessage message, CancellationToken ct)
=> Task.FromResult(ResponseType.AsString("The RS system is online!"));
private async Task<T> Method<T>(string methodName, Func<string, T> parser, CancellationToken ct) {
var waiter = _taskSource.GetWaiter(parser, ct);
await _taskSource.Send(new RequestMessage(waiter.ID, methodName));
return await waiter.Task;
}
private const string CmdEnergyUsage = "energyusage";
private const string CmdEnergyStorage = "energystorage";
private const string CmdListItems = "listitems";
private const string CmdItemName = "itemname";
private const string CmdListFluids = "listfluids";
public async Task<int> GetEnergyUsageAsync(CancellationToken ct) => await Method(CmdEnergyUsage, int.Parse, ct);
public async Task<int> GetEnergyStorageAsync(CancellationToken ct) => await Method(CmdEnergyStorage, int.Parse, ct);
public async Task<IEnumerable<Item>> ListItemsAsync(CancellationToken ct) => await Method(CmdListItems, ConnectedComputer.Deserialize<IEnumerable<Item>>(), ct);
public async Task<IEnumerable<Fluid>> ListFluidsAsync(CancellationToken ct) => await Method(CmdListFluids, ConnectedComputer.Deserialize<IEnumerable<Fluid>>(), ct);
private Task<IEnumerable<Item>> FilterItems(SocketUserMessage message, IEnumerable<string> filters, CancellationToken ct)
=> FilterItems(message, filters.Select(ItemFilter.Parse), ct);
private async Task<IEnumerable<Item>> FilterItems(SocketUserMessage message, IEnumerable<ItemFilter> filters, CancellationToken ct) {
var items = Items?.ToList().AsEnumerable();
if (items is null) items = (await RefreshItemList(ct)).ToList();
foreach (var filter in filters)
items = items.Where(filter.MatchItem);
return items.ToList();
}
private async Task<List<Item>> RefreshItemList(CancellationToken ct) {
var response = await ListItemsAsync(ct);
lock (_itemLock) {
Items = response.OrderByDescending(i => i.Amount).ToList();
return Items;
}
}
private List<Item>? Items;
private readonly object _itemLock = new();
[CommandHandler(CmdEnergyStorage, HelpText = "Get the amount of energy stored in the RS system.")]
public async Task<ResponseType> HandleEnergyStorage(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> ResponseType.AsString($"Refined Storage system stores {await GetEnergyStorageAsync(ct)} RF/t");
[CommandHandler(CmdEnergyUsage, HelpText = "Get the amount of energy used by the RS system.")]
public async Task<ResponseType> HandleEnergyUsage(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> ResponseType.AsString($"Refined Storage system currently uses {await GetEnergyUsageAsync(ct)} RF/t");
[CommandHandler(CmdItemName, HelpText = "Filter items by name.")]
public async Task<ResponseType> HandleItemName(SocketUserMessage message, string[] parameters, CancellationToken ct) {
if (parameters.Length < 2) return ResponseType.AsString($"Usage: {CmdItemName} filters...");
else {
var items = await FilterItems(message, parameters[1..], ct);
var sb = new StringBuilder();
sb.AppendLine("Did you mean:");
sb.AppendJoin("\n", items.Select(i => i.ToString()));
return ResponseType.AsString(sb.ToString());
}
}
[CommandHandler(CmdListFluids, HelpText = "Gets a list of fluids that are currently stored in the RS system.")]
public async Task<ResponseType> HandleFluidListing(SocketUserMessage message, string[] parameters, CancellationToken ct) {
var sb = new StringBuilder();
sb.Append("The Refined Storage system stores those fluids:");
var fluids = await ListFluidsAsync(ct);
foreach (var fluid in fluids.OrderByDescending(i => i.Amount))
if (fluid.Amount > 10000) sb.AppendFormat("\n{0:n2} B of {1}", fluid.Amount / 1000.0f, fluid.DisplayName);
else sb.AppendFormat("\n{0:n0} mB of {1}", fluid.Amount, fluid.DisplayName);
return ResponseType.AsString(sb.ToString());
}
[CommandHandler(CmdListItems, HelpText = "Gets a list of items that are currently stored in the RS system.")]
public async Task<ResponseType> HandleItemListing(SocketUserMessage message, string[] parameters, CancellationToken ct) {
var sb = new StringBuilder();
sb.Append("The Refined Storage system currently stores these items:");
var items = await RefreshItemList(ct);
lock (_itemLock) {
int taken = 0;
foreach (var item in items) {
if (sb.Length > 500) break;
sb.AppendFormat("\n{0:n0}x {1}", item.Amount, item.DisplayName);
taken++;
}
if (items.Count > taken) sb.AppendFormat("\nand {0} more items.", items.Skip(taken).Sum(i => i.Amount));
}
return ResponseType.AsString(sb.ToString());
}
}
public class ConnectedComputer : CommandRouter, ITaskWaitSource {
protected readonly IWebSocketConnection _socket;
public override string HelpTextPrefix => "!";
public ConnectedComputer(IWebSocketConnection socket) : base() {
socket.OnMessage = OnMessage;
_socket = socket;
_rs = new RefinedStorageService(this);
}
private void OnMessage(string message) {
if (JsonConvert.DeserializeObject<ReplyMessage>(message) is not ReplyMessage msg) return;
IChunkWaiter? waiter;
lock (_syncRoot) {
if (!_waits.TryGetValue(msg.AnswerId, out waiter)) {
Program.LogWarningAsync("Socket", $"Invalid wait id '{msg.AnswerId}'!");
return;
}
}
if (!msg.Success) waiter.SetUnsuccessful();
waiter.AddChunk(msg.Chunk, msg.Total, msg.Result);
if (waiter.Finished || waiter.IsCancellationRequested)
lock (_syncRoot)
_waits.Remove(waiter.ID);
}
public Task Send(string message) => _socket.Send(message);
public Task Send(Message message) => Send(JsonConvert.SerializeObject(message));
private readonly object _syncRoot = new();
private readonly Dictionary<int, IChunkWaiter> _waits = new();
private readonly Random _rnd = new();
public IWebSocketConnectionInfo ConnectionInfo => _socket.ConnectionInfo;
private int GetFreeId() {
var attempts = 0;
while (true) {
var id = _rnd.Next();
if (!_waits.ContainsKey(id))
return id;
Program.LogWarningAsync(Program.WebSocketSource, $"Could not get a free ID after {++attempts} attempts!");
}
}
public ChunkWaiter<T> GetWaiter<T>(Func<string, T> resultParser, CancellationToken ct) {
ChunkWaiter<T> waiter;
lock (_syncRoot) {
waiter = new ChunkWaiter<T>(GetFreeId(), resultParser, ct);
_waits.Add(waiter.ID, waiter);
}
return waiter;
}
private readonly ICommandHandler<ResponseType> _rs;
[CommandHandler("rs", HelpText ="Provides some commands for interacting with the Refined Storage system.")]
public Task<ResponseType> RefinedStorageHandler(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> _rs.HandleCommand(message, parameters, ct);
public static Func<string, T> Deserialize<T>() => msg
=> JsonConvert.DeserializeObject<T>(msg) ?? throw new InvalidProgramException("Empty response!");
public override Task<ResponseType> RootAnswer(SocketUserMessage message, CancellationToken ct)
=> Task.FromResult(ResponseType.AsString("The Minecraft server is connected!"));
public override Task<ResponseType> FallbackHandler(SocketUserMessage message, string method, string[] parameters, CancellationToken ct)
=> Task.FromResult(ResponseType.AsString($"What the fuck do you mean by '{method}'?"));
}
public interface ITaskWaitSource {
ChunkWaiter<T> GetWaiter<T>(Func<string, T> resultParser, CancellationToken ct);
Task Send(Message requestMessage);
}
[Serializable]
public class ReplyException : Exception {
public ReplyException() { }
public ReplyException(string message) : base(message) { }
public ReplyException(string message, Exception inner) : base(message, inner) { }
protected ReplyException(SerializationInfo info, StreamingContext context) : base(info, context) { }
}
[JsonObject(MemberSerialization.OptIn, Description = "Describes an item in a Refined Storage system.", MissingMemberHandling = MissingMemberHandling.Ignore)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class Item : Fluid {
[JsonProperty("fingerprint", Required = Required.Always)]
public Md5Hash Fingerprint { get; set; } = default!;
[JsonProperty("nbt", Required = Required.DisallowNull)]
public dynamic? NBT { get; set; }
public override string ToString() => $"{Amount:n0}x {DisplayName}";
}
[JsonObject(MemberSerialization.OptIn, Description = "Describes a fluid in a Refined Storage system.", MissingMemberHandling = MissingMemberHandling.Ignore)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class Fluid {
[JsonProperty("amount", Required = Required.Always)]
public int Amount { get; set; }
[JsonProperty("displayName", Required = Required.Always)]
public string DisplayName { get; set; } = default!;
[JsonProperty("tags", Required = Required.DisallowNull)]
public string[]? Tags { get; set; } = default;
[JsonProperty("name", Required = Required.Always)]
public ModItemId ItemId { get; set; } = default!;
public override string ToString() => Amount > 10000
? $"{Amount / 1000.0f:n2} B of {DisplayName}"
: $"{Amount:n0} mB of {DisplayName}";
}
[JsonConverter(typeof(ModItemIdJsonConverter))]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class ModItemId {
public ModItemId(string name) {
var colon = name.IndexOf(':');
if (colon < 0) throw new ArgumentException("Invalid mod item id!", nameof(name));
ModName = name[..colon];
ModItem = name[(colon + 1)..];
if (ToString() != name) throw new InvalidProgramException("Bad Parsing!");
}
public override string ToString() => $"{ModName}:{ModItem}";
public string ModName { get; }
public string ModItem { get; }
public class ModItemIdJsonConverter : JsonConverter<ModItemId> {
public override ModItemId? ReadJson(JsonReader reader, Type objectType, ModItemId? existingValue, bool hasExistingValue, JsonSerializer serializer)
=> reader.Value is string value
? new(value)
: throw new JsonException($"Could not parse mod name with token '{reader.Value}'");
public override void WriteJson(JsonWriter writer, ModItemId? value, JsonSerializer serializer) {
if (value is null) writer.WriteNull();
else writer.WriteValue(value.ToString());
}
}
}
[JsonConverter(typeof(Md5JsonConverter))]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class Md5Hash : IEquatable<Md5Hash?> {
private readonly byte[] _hash;
public Md5Hash(string hash) : this(Convert.FromHexString(hash)) { }
public Md5Hash(byte[] hash) {
if (hash is not { Length: 16 }) throw new ArgumentException("Invalid digest size!", nameof(hash));
_hash = hash;
}
public override bool Equals(object? obj) => Equals(obj as Md5Hash);
public bool Equals(Md5Hash? other) => other != null && _hash.SequenceEqual(other._hash);
public override int GetHashCode() {
var hashCode = new HashCode();
hashCode.AddBytes(_hash);
return hashCode.ToHashCode();
}
public override string ToString() => Convert.ToHexString(_hash);
public class Md5JsonConverter : JsonConverter<Md5Hash> {
public override Md5Hash? ReadJson(JsonReader reader, Type objectType, Md5Hash? existingValue, bool hasExistingValue, JsonSerializer serializer)
=> reader.Value is string { Length: 32 } value
? new(value)
: throw new JsonException($"Could not parse MD5 hash with token '{reader.Value}'");
public override void WriteJson(JsonWriter writer, Md5Hash? value, JsonSerializer serializer) {
if (value is null) writer.WriteNull();
else writer.WriteValue(value.ToString());
}
}
}

6
MinecraftDiscordBot/IChunkWaiter.cs
View File

@ -1,11 +1,9 @@
using MinecraftDiscordBot.Models; namespace MinecraftDiscordBot;
namespace MinecraftDiscordBot;
public interface IChunkWaiter { public interface IChunkWaiter {
bool Finished { get; } bool Finished { get; }
int ID { get; } int ID { get; }
bool IsCancellationRequested { get; } bool IsCancellationRequested { get; }
void AddChunk(int chunkId, int totalChunks, string value); void AddChunk(int chunkId, int totalChunks, string value);
void SetResultState(ResultState state); void SetUnsuccessful();
} }

2
MinecraftDiscordBot/Commands/ICommandHandler.cs → MinecraftDiscordBot/ICommandHandler.cs
View File

@ -1,6 +1,6 @@
using Discord.WebSocket; using Discord.WebSocket;
namespace MinecraftDiscordBot.Commands; namespace MinecraftDiscordBot;
public interface ICommandHandler { public interface ICommandHandler {
Task HandleCommand(SocketUserMessage message, string[] parameters, CancellationToken ct); Task HandleCommand(SocketUserMessage message, string[] parameters, CancellationToken ct);

13
MinecraftDiscordBot/IUserRoleManager.cs
View File

@ -1,13 +0,0 @@
using Discord.WebSocket;
namespace MinecraftDiscordBot;
public interface IUserRoleManager {
/// <summary>
/// Verifies that a user is a bot administrator.
/// </summary>
/// <param name="user">User ID.</param>
/// <param name="message">An optional message to throw when user is not authorized.</param>
/// <exception cref="ReplyException">User is not authorized.</exception>
void RequireAdministrator(ulong user, string? message = null);
}

4
MinecraftDiscordBot/ItemFilter.cs
View File

@ -1,6 +1,4 @@
using MinecraftDiscordBot.Models; namespace MinecraftDiscordBot;
namespace MinecraftDiscordBot;
public abstract class ItemFilter { public abstract class ItemFilter {
public abstract bool Match(Fluid item); public abstract bool Match(Fluid item);

65
MinecraftDiscordBot/Message.cs Normal file
View File

@ -0,0 +1,65 @@
using Discord.WebSocket;
using Newtonsoft.Json;
namespace MinecraftDiscordBot;
public abstract class Message {
[JsonProperty("type")]
public abstract string Type { get; }
}
public class CapabilityMessage : Message {
public override string Type => "roles";
[JsonProperty("role", Required = Required.Always)]
public string[] Role { get; set; } = default!;
}
public class TextMessage : Message {
public TextMessage(SocketMessage arg) : this(arg.Author.Username, arg.Content) { }
public TextMessage(string author, string content) {
Author = author;
Content = content;
}
public override string Type => "text";
[JsonProperty("author", Required = Required.Always)]
public string Author { get; set; }
[JsonProperty("message", Required = Required.Always)]
public string Content { get; set; }
}
public class ReplyMessage : Message {
public ReplyMessage(int answerId, string result) {
AnswerId = answerId;
Result = result;
}
[JsonProperty("id", Required = Required.Always)]
public int AnswerId { get; set; }
[JsonProperty("result", Required = Required.Always)]
public string Result { get; set; }
[JsonProperty("chunk", Required = Required.DisallowNull)]
public int Chunk { get; set; } = 1;
[JsonProperty("total", Required = Required.DisallowNull)]
public int Total { get; set; } = 1;
/// <summary>
/// If at least one packet was received where
/// </summary>
[JsonProperty("success", Required = Required.DisallowNull)]
public bool Success { get; set; } = true;
public override string Type => "reply";
}
public class RequestMessage : Message {
public RequestMessage(int answerId, string method, Dictionary<string, string>? parameters = null) {
AnswerId = answerId;
Method = method;
Parameters = (parameters ?? Enumerable.Empty<KeyValuePair<string, string>>())
.ToDictionary(i => i.Key, i => i.Value);
}
[JsonProperty("id")]
public int AnswerId { get; set; }
[JsonProperty("method")]
public string Method { get; set; }
[JsonProperty("params")]
public Dictionary<string, string> Parameters { get; }
public override string Type => "request";
}

19
MinecraftDiscordBot/MinecraftDiscordBot.csproj
View File

@ -6,7 +6,7 @@
<ImplicitUsings>enable</ImplicitUsings> <ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable> <Nullable>enable</Nullable>
<DockerDefaultTargetOS>Linux</DockerDefaultTargetOS> <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
<Version>1.1.5</Version> <Version>1.0.2</Version>
<Authors>Michael Chen</Authors> <Authors>Michael Chen</Authors>
<Company>$(Authors)</Company> <Company>$(Authors)</Company>
<RepositoryUrl>https://gitlab.com/chenmichael/mcdiscordbot</RepositoryUrl> <RepositoryUrl>https://gitlab.com/chenmichael/mcdiscordbot</RepositoryUrl>
@ -16,19 +16,12 @@
</PropertyGroup> </PropertyGroup>
<ItemGroup> <ItemGroup>
<EmbeddedResource Include="ClientScript.lua" /> <PackageReference Include="CommandLineParser" Version="2.8.0" />
</ItemGroup> <PackageReference Include="Discord.Net" Version="3.1.0" />
<ItemGroup>
<PackageReference Include="CommandLineParser" Version="2.9.1" />
<PackageReference Include="Discord.Net" Version="3.8.1" />
<PackageReference Include="Fleck" Version="1.2.0" /> <PackageReference Include="Fleck" Version="1.2.0" />
<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.17.0" /> <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.14.0" />
<PackageReference Include="Newtonsoft.Json" Version="13.0.2" /> <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
</ItemGroup> <PackageReference Include="OneOf" Version="3.0.205" />
<ItemGroup>
<Resource Include="ClientScript.lua" />
</ItemGroup> </ItemGroup>
</Project> </Project>

24
MinecraftDiscordBot/Models/Fluid.cs
View File

@ -1,24 +0,0 @@
using Newtonsoft.Json;
using System.Diagnostics;
namespace MinecraftDiscordBot.Models;
[JsonObject(MemberSerialization.OptIn, Description = "Describes a fluid in a Refined Storage system.", MissingMemberHandling = MissingMemberHandling.Ignore)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class Fluid {
[JsonProperty("amount", Required = Required.Always)]
public int Amount { get; set; }
[JsonProperty("displayName", Required = Required.Always)]
public string DisplayName { get; set; } = default!;
[JsonProperty("tags", Required = Required.DisallowNull)]
public string[]? Tags { get; set; } = default;
[JsonProperty("name", Required = Required.Always)]
public ModItemId ItemId { get; set; } = default!;
public override string ToString() => Amount > 10000
? $"{Amount / 1000.0f:n2} B of {DisplayName}"
: $"{Amount:n0} mB of {DisplayName}";
[JsonIgnore]
public string CleanDisplayName => DisplayName[1..^1];
[JsonIgnore]
public string? TagString => Tags is string[] tags ? string.Join(", ", tags) : null;
}

33
MinecraftDiscordBot/Models/Item.cs
View File

@ -1,33 +0,0 @@
using Newtonsoft.Json;
using System.Diagnostics;
using System.Text;
namespace MinecraftDiscordBot.Models;
[JsonObject(MemberSerialization.OptIn, Description = "Describes an item in a Refined Storage system.", MissingMemberHandling = MissingMemberHandling.Ignore)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class Item : Fluid {
[JsonProperty("fingerprint", Required = Required.Always)]
public Md5Hash Fingerprint { get; set; } = default!;
[JsonProperty("nbt", Required = Required.DisallowNull)]
public dynamic? NBT { get; set; }
public override string ToString() => $"{AmountString} {CleanDisplayName}";
[JsonIgnore]
public string DetailString {
get {
var sb = new StringBuilder();
sb.AppendFormat("{0} {1}, fp: {2}", AmountString, CleanDisplayName, Fingerprint);
if (TagString is string tags)
sb.AppendFormat(", tags: [{0}]", tags);
if (NBT is not null)
sb.AppendFormat(", NBT: {0}", JsonConvert.SerializeObject(NBT));
return sb.ToString();
}
}
[JsonIgnore]
public string AmountString => Amount switch {
> 1000000 => $"> {Amount / 1000000:n0}m",
> 10000 => $"~ {Amount / 1000.0f:n2}k",
_ => Amount.ToString()
};
}

21
MinecraftDiscordBot/Models/LuaPackedArray.cs
View File

@ -1,21 +0,0 @@
using Newtonsoft.Json;
namespace MinecraftDiscordBot.Models;
public class LuaPackedArray {
public ref object? this[int i] => ref _items[i];
private readonly object?[] _items;
public LuaPackedArray(IDictionary<string, object> packedTable) {
if (packedTable["n"] is not long n) throw new ArgumentException("No length in packed array!");
_items = new object?[n];
for (var i = 0; i < _items.Length; i++)
_items[i] = packedTable.TryGetValue((i + 1).ToString(), out var val) ? val : null;
}
public static LuaPackedArray Deserialize(string value) {
var dict = JsonConvert.DeserializeObject<Dictionary<string, object>>(value);
return new LuaPackedArray(dict ?? throw new Exception("Not a packed table (empty object)!"));
}
public override string ToString() => _items is { Length: 0 }
? "Empty Array"
: string.Join(", ", _items.Select(i => i is null ? "nil" : i.ToString()));
}

45
MinecraftDiscordBot/Models/Md5Hash.cs
View File

@ -1,45 +0,0 @@
using Newtonsoft.Json;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
namespace MinecraftDiscordBot.Models;
[JsonConverter(typeof(Md5JsonConverter))]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class Md5Hash : IEquatable<Md5Hash?> {
private readonly byte[] _hash;
public Md5Hash(string hash) : this(Convert.FromHexString(hash)) { }
public Md5Hash(byte[] hash) {
if (hash is not { Length: 16 }) throw new ArgumentException("Invalid digest size!", nameof(hash));
_hash = hash;
}
public override bool Equals(object? obj) => Equals(obj as Md5Hash);
public bool Equals(Md5Hash? other) => other != null && _hash.SequenceEqual(other._hash);
public override int GetHashCode() {
var hashCode = new HashCode();
hashCode.AddBytes(_hash);
return hashCode.ToHashCode();
}
public override string ToString() => Convert.ToHexString(_hash).ToLower();
public class Md5JsonConverter : JsonConverter<Md5Hash> {
public override Md5Hash? ReadJson(JsonReader reader, Type objectType, Md5Hash? existingValue, bool hasExistingValue, JsonSerializer serializer)
=> reader.Value is string { Length: 32 } value
? new(value)
: throw new JsonException($"Could not parse MD5 hash with token '{reader.Value}'");
public override void WriteJson(JsonWriter writer, Md5Hash? value, JsonSerializer serializer) {
if (value is null) writer.WriteNull();
else writer.WriteValue(value.ToString());
}
}
public static bool TryParse(string itemid, [NotNullWhen(true)] out Md5Hash? fingerprint) {
try {
fingerprint = new Md5Hash(itemid);
return true;
} catch (Exception) {
fingerprint = null;
return false;
}
}
}

150
MinecraftDiscordBot/Models/Message.cs
View File

@ -1,150 +0,0 @@
using Discord.WebSocket;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Diagnostics;
namespace MinecraftDiscordBot.Models;
public abstract class Message {
public static Message Deserialize(string strMessage) {
var obj = JObject.Parse(strMessage);
var typeName = GetKey<string>(obj, "type");
if (!Parsers.TryGetValue(typeName, out var type))
throw new FormatException($"Unknown message type '{typeName}'!");
if (obj.ToObject(type) is not Message message)
throw new FormatException($"Message cannot be casted to '{type}'!");
return message;
}
private static readonly Dictionary<string, Type> Parsers = GetMessageTypes();
private static Dictionary<string, Type> GetMessageTypes() {
var types = new Dictionary<string, Type>();
var messageTypes =
AppDomain.CurrentDomain.GetAssemblies().SelectMany(domainAssembly => domainAssembly.GetTypes())
.Where(typeof(Message).IsAssignableFrom);
foreach (var type in messageTypes)
if (GetTypeAttribute(type) is MessageTypeAttribute attr)
types.Add(attr.Name, type);
return types;
}
private static MessageTypeAttribute? GetTypeAttribute(Type type)
=> type.GetCustomAttributes(typeof(MessageTypeAttribute), false).OfType<MessageTypeAttribute>().FirstOrDefault();
private static T GetKey<T>(JObject msg, string key)
=> (msg.TryGetValue(key, out var type) ? type : throw new FormatException($"Message has no '{key}' param!"))
.ToObject<T>() ?? throw new FormatException($"'{key}' param is not of expected type '{typeof(T).Name}'!");
[JsonProperty("type")]
public abstract string Type { get; }
}
[MessageType(TYPE)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class CapabilityMessage : Message {
private const string TYPE = "roles";
public override string Type => TYPE;
[JsonProperty("role", Required = Required.Always)]
public string[] Role { get; set; } = default!;
public override string ToString() => $"Capabilities: {string.Join(", ", Role)}";
}
[MessageType(TYPE)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class ReplyMessage : Message {
private const string TYPE = "reply";
public override string Type => TYPE;
[JsonProperty("id", Required = Required.Always)]
public int AnswerId { get; set; }
[JsonProperty("result", Required = Required.Always)]
public string Result { get; set; } = default!;
[JsonProperty("chunk", Required = Required.DisallowNull)]
public int Chunk { get; set; } = 1;
[JsonProperty("total", Required = Required.DisallowNull)]
public int Total { get; set; } = 1;
[JsonProperty("success", Required = Required.DisallowNull)]
public ResultState State { get; set; } = ResultState.Successful;
public override string ToString() => $"Reply [{AnswerId}] {State} ({Chunk}/{Total}) Length {Result.Length}";
}
public abstract class EventMessage : Message { }
[MessageType(TYPE)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class PeripheralDetachEvent : EventMessage {
private const string TYPE = "peripheral_detach";
public override string Type => TYPE;
[JsonProperty("side", Required = Required.Always)]
public string Side { get; set; } = default!;
public override string ToString() => $"Detached '{Side}'!";
}
[MessageType(TYPE)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class PlayerStatusEvent : EventMessage {
private const string TYPE = "playerstatus";
public override string Type => TYPE;
[JsonProperty("player", Required = Required.Always)]
public string Player { get; set; } = default!;
[JsonProperty("status", Required = Required.Always)]
public bool Online { get; set; }
public override string ToString() => $"{Player} is now {(Online ? "on" : "off")}line!";
}
[MessageType(TYPE)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class PeripheralAttachEvent : EventMessage {
private const string TYPE = "peripheral";
public override string Type => TYPE;
[JsonIgnore]
public string Side => Peripheral.Side;
[JsonProperty("peripheral", Required = Required.Always)]
public Peripheral Peripheral { get; set; } = default!;
public override string ToString() => $"Attached {Peripheral}!";
}
public class Peripheral {
[JsonProperty("side", Required = Required.Always)]
public string Side { get; set; } = default!;
[JsonProperty("type", Required = Required.Always)]
public string Type { get; set; } = default!;
[JsonProperty("methods", Required = Required.Always)]
public string[] Methods { get; set; } = default!;
public override string ToString() => $"{Type} at '{Side}'";
}
[MessageType(TYPE)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class ChatEvent : EventMessage {
private const string TYPE = "chat";
public override string Type => TYPE;
[JsonProperty("username", Required = Required.Always)]
public string Username { get; set; } = default!;
[JsonProperty("message", Required = Required.Always)]
public string Message { get; set; } = default!;
[JsonProperty("uuid", Required = Required.Always)]
public string UUID { get; set; } = default!;
[JsonProperty("hidden", Required = Required.Always)]
public bool IsHidden { get; set; }
public override string ToString() => $"{(IsHidden ? "HIDDEN: " : string.Empty)}[{Username}] {Message} ({UUID})";
}
[MessageType(TYPE)]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class RequestMessage : Message {
private const string TYPE = "request";
public override string Type => TYPE;
public RequestMessage(int answerId, string method, Dictionary<string, object>? parameters = null) {
AnswerId = answerId;
Method = method;
Parameters = (parameters ?? Enumerable.Empty<KeyValuePair<string, object>>())
.ToDictionary(i => i.Key, i => i.Value);
}
[JsonProperty("id")]
public int AnswerId { get; set; }
[JsonProperty("method")]
public string Method { get; set; }
[JsonProperty("params")]
public Dictionary<string, object> Parameters { get; }
public override string ToString() => $"Request [{AnswerId}] {Method}({JsonConvert.SerializeObject(Parameters)})";
}

7
MinecraftDiscordBot/Models/MessageTypeAttribute.cs
View File

@ -1,7 +0,0 @@
namespace MinecraftDiscordBot.Models;
[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
public sealed class MessageTypeAttribute : Attribute {
public MessageTypeAttribute(string type) => Name = type;
public string Name { get; }
}

30
MinecraftDiscordBot/Models/ModItemId.cs
View File

@ -1,30 +0,0 @@
using Newtonsoft.Json;
using System.Diagnostics;
namespace MinecraftDiscordBot.Models;
[JsonConverter(typeof(ModItemIdJsonConverter))]
[DebuggerDisplay($"{{{nameof(ToString)}(),nq}}")]
public class ModItemId {
public ModItemId(string name) {
var colon = name.IndexOf(':');
if (colon < 0) throw new ArgumentException("Invalid mod item id!", nameof(name));
ModName = name[..colon];
ModItem = name[(colon + 1)..];
if (ToString() != name) throw new InvalidProgramException("Bad Parsing!");
}
public override string ToString() => $"{ModName}:{ModItem}";
public string ModName { get; }
public string ModItem { get; }
public class ModItemIdJsonConverter : JsonConverter<ModItemId> {
public override ModItemId? ReadJson(JsonReader reader, Type objectType, ModItemId? existingValue, bool hasExistingValue, JsonSerializer serializer)
=> reader.Value is string value
? new(value)
: throw new JsonException($"Could not parse mod name with token '{reader.Value}'");
public override void WriteJson(JsonWriter writer, ModItemId? value, JsonSerializer serializer) {
if (value is null) writer.WriteNull();
else writer.WriteValue(value.ToString());
}
}
}

13
MinecraftDiscordBot/Models/PlayerPosition.cs
View File

@ -1,13 +0,0 @@
using Newtonsoft.Json;
namespace MinecraftDiscordBot.Models;
public class PlayerPosition {
[JsonProperty("dimension", Required = Required.Always)] public string Dimension { get; set; } = default!;
[JsonProperty("eyeHeight", Required = Required.Always)] public double EyeHeight { get; set; }
[JsonProperty("pitch", Required = Required.Always)] public double Pitch { get; set; }
[JsonProperty("yaw", Required = Required.Always)] public double Yaw { get; set; }
[JsonProperty("x", Required = Required.Always)] public int X { get; set; }
[JsonProperty("y", Required = Required.Always)] public int Y { get; set; }
[JsonProperty("z", Required = Required.Always)] public int Z { get; set; }
}

7
MinecraftDiscordBot/Models/ResultState.cs
View File

@ -1,7 +0,0 @@
namespace MinecraftDiscordBot.Models;
public enum ResultState {
Successful,
Unsuccessful,
Fatal
}

226
MinecraftDiscordBot/Program.cs
View File

@ -2,19 +2,17 @@
using Discord; using Discord;
using Discord.Commands; using Discord.Commands;
using Discord.Rest; using Discord.Rest;
using Discord.Webhook;
using Discord.WebSocket; using Discord.WebSocket;
using Fleck; using Fleck;
using MinecraftDiscordBot.Commands; using Newtonsoft.Json;
using MinecraftDiscordBot.Models; using OneOf;
using MinecraftDiscordBot.Services;
using System.Collections.Concurrent; using System.Collections.Concurrent;
using System.Reflection; using System.Reflection;
using System.Runtime.CompilerServices; using System.Runtime.CompilerServices;
namespace MinecraftDiscordBot; namespace MinecraftDiscordBot;
public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleManager { public class Program : IDisposable, ICommandHandler<ResponseType> {
public const string WebSocketSource = "WebSocket"; public const string WebSocketSource = "WebSocket";
public const string BotSource = "Bot"; public const string BotSource = "Bot";
private static readonly object LogLock = new(); private static readonly object LogLock = new();
@ -26,47 +24,30 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
private readonly WebSocketServer _wssv; private readonly WebSocketServer _wssv;
private readonly BotConfiguration _config; private readonly BotConfiguration _config;
private readonly HashSet<ulong> _whitelistedChannels; private readonly HashSet<ulong> _whitelistedChannels;
private readonly ConcurrentDictionary<Guid, RootCommandService> _connections = new(); private readonly ConcurrentDictionary<Guid, ConnectedComputer> _connections = new();
private static readonly char[] WhiteSpace = new char[] { '\t', '\n', ' ', '\r' }; private static readonly char[] WhiteSpace = new char[] { '\t', '\n', ' ', '\r' };
public IEnumerable<ActiveChannel> Channels => _channels ?? throw new InvalidProgramException("Channels used before verification!"); public ITextChannel[] _channels = Array.Empty<ITextChannel>();
public ActiveChannel[]? _channels; private ConnectedComputer? _rsSystem = null;
private bool disposedValue; private bool disposedValue;
private static ITextChannel? LogChannel; public static bool OnlineNotifications => false;
private readonly RootCommandService _computer;
public static bool OnlineNotifications => true; public ConnectedComputer? Computer {
public const LogSeverity DiscordLogSeverity = LogSeverity.Warning; get => _rsSystem; set {
private const string ClientScriptName = "MinecraftDiscordBot.ClientScript.lua"; if (_rsSystem != value) {
private const string WebhookName = "minecraftbot"; _rsSystem = value;
public readonly string ClientScript; if (OnlineNotifications)
private readonly ITokenProvider _tokenProvider = new TimeoutTokenProvider(InstanceId, 10); _ = Task.Run(() => Broadcast(i => i.SendMessageAsync(value is null
private static readonly int InstanceId = new Random().Next(); ? $"The Refined Storage went offline. Please check the server!"
: $"The Refined Storage is back online!")));
private string GetVerifiedClientScript() => ClientScript }
.Replace("$TOKEN", _tokenProvider.GenerateToken()); }
private static string GetClientScript(BotConfiguration config) {
using var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(ClientScriptName);
if (stream is null) throw new FileNotFoundException("Client script could not be loaded!");
using var sr = new StreamReader(stream);
return sr.ReadToEnd()
.Replace("$HOST", config.Address);
} }
private Task Broadcast(Func<ITextChannel, Task<IUserMessage>> message) private async Task Broadcast(Func<ITextChannel, Task<IUserMessage>> message) => _ = await Task.WhenAll(_channels.Select(message));
=> Task.WhenAll(Channels.Select(i => message(i.Channel)));
public Program(BotConfiguration config) { public Program(BotConfiguration config) {
_config = config; _config = config;
_computer = new(this);
_computer.ChatMessageReceived += MinecraftMessageReceived;
_computer.SocketChanged += ComputerConnectedChanged;
_computer.PlayerStatusChanged += PlayerStatusChanged;
_computer.PeripheralAttached += PeripheralAttached;
_computer.PeripheralDetached += PeripheralDetached;
_administrators = config.Administrators.ToHashSet();
ClientScript = GetClientScript(config);
_client.Log += LogAsync; _client.Log += LogAsync;
_client.MessageReceived += (msg) => DiscordMessageReceived(msg, 20 * 1000); _client.MessageReceived += (msg) => DiscordMessageReceived(msg);
_client.ReactionAdded += DiscordReactionAdded; _client.ReactionAdded += DiscordReactionAdded;
_wssv = new WebSocketServer($"ws://0.0.0.0:{config.Port}") { _wssv = new WebSocketServer($"ws://0.0.0.0:{config.Port}") {
RestartAfterListenError = true RestartAfterListenError = true
@ -75,17 +56,6 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
_whitelistedChannels = config.Channels.ToHashSet(); _whitelistedChannels = config.Channels.ToHashSet();
} }
private void PlayerStatusChanged(object? sender, PlayerStatusEvent e)
=> _ = Task.Run(() => Broadcast(i => i.SendMessageAsync($"{e.Player} just {(e.Online ? "joined" : "left")} the server!")));
private void PeripheralAttached(object? sender, PeripheralAttachEvent e) => LogInfo("Computer", $"Peripheral {e.Peripheral.Type} was attached on side {e.Side}.");
private void PeripheralDetached(object? sender, PeripheralDetachEvent e) => LogInfo("Computer", $"Peripheral on side {e.Side} was detached.");
private void ComputerConnectedChanged(object? sender, IWebSocketConnection? e)
=> _ = Task.Run(() => Broadcast(i => i.SendMessageAsync(e is not null
? "The Minecraft client is now available!"
: "The Minecraft client disconnected!")));
private void MinecraftMessageReceived(object? sender, ChatEvent e)
=> Task.Run(() => WebhookBroadcast(i => i.SendMessageAsync(e.Message, username: e.Username, avatarUrl: $"https://crafatar.com/renders/head/{e.UUID}")));
private Task<T[]> WebhookBroadcast<T>(Func<DiscordWebhookClient, Task<T>> apply) => Task.WhenAll(Channels.Select(i => apply(new DiscordWebhookClient(i.Webhook))));
private void LogWebSocket(LogLevel level, string message, Exception exception) => Log(new(level switch { private void LogWebSocket(LogLevel level, string message, Exception exception) => Log(new(level switch {
LogLevel.Debug => LogSeverity.Debug, LogLevel.Debug => LogSeverity.Debug,
LogLevel.Info => LogSeverity.Info, LogLevel.Info => LogSeverity.Info,
@ -105,11 +75,11 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
private static Task<int> RunWithConfig(IBotConfigurator arg) => new Program(arg.Config).RunAsync(); private static Task<int> RunWithConfig(IBotConfigurator arg) => new Program(arg.Config).RunAsync();
public async Task<int> RunAsync() { public async Task<int> RunAsync() {
StartWebSocketServer();
await _client.LoginAsync(TokenType.Bot, _config.Token); await _client.LoginAsync(TokenType.Bot, _config.Token);
await _client.StartAsync(); await _client.StartAsync();
if (!await HasValidChannels()) if (!await HasValidChannels())
return 1; return 1;
StartWebSocketServer();
// Block this task until the program is closed. // Block this task until the program is closed.
await Task.Delay(-1); await Task.Delay(-1);
@ -117,20 +87,11 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
} }
private async Task<bool> HasValidChannels() { private async Task<bool> HasValidChannels() {
if (_config.LogChannel is ulong logChannelId) { if (await GetValidChannels(_whitelistedChannels).ToArrayAsync() is not { Length: > 0 } channels) {
LogChannel = await IsValidChannel(logChannelId);
if (LogChannel is null)
await LogWarningAsync(BotSource, $"The given log channel ID is not valid '{logChannelId}'!");
}
if (await GetValidChannels(_whitelistedChannels) is not { Length: > 0 } channels) {
await LogErrorAsync(BotSource, new InvalidOperationException("No valid textchannel was whitelisted!")); await LogErrorAsync(BotSource, new InvalidOperationException("No valid textchannel was whitelisted!"));
return false; return false;
} }
_channels = await Task.WhenAll(channels.Select(async i => new ActiveChannel(i, await GetOrCreateWebhook(i)))); _channels = channels;
static async Task<IWebhook> GetOrCreateWebhook(ITextChannel i) {
var hooks = (await i.GetWebhooksAsync()).Where(i => i.Name == WebhookName).FirstOrDefault();
return hooks ?? await i.CreateWebhookAsync(WebhookName);
}
return true; return true;
} }
@ -140,62 +101,32 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
socket.OnMessage = async message => await SocketReceived(socket, message); socket.OnMessage = async message => await SocketReceived(socket, message);
}); });
private async Task<ITextChannel[]> GetValidChannels(IEnumerable<ulong> ids) private async IAsyncEnumerable<ITextChannel> GetValidChannels(IEnumerable<ulong> ids) {
=> (await Task.WhenAll(ids.Select(i => IsValidChannel(i)))).OfType<ITextChannel>().ToArray(); foreach (var channelId in ids) {
private async Task<ITextChannel?> IsValidChannel(ulong channelId) { var channel = await _client.GetChannelAsync(channelId);
var channel = await _client.GetChannelAsync(channelId); if (channel is not ITextChannel textChannel) {
if (channel is not ITextChannel textChannel) { if (channel is null) await LogWarningAsync(BotSource, $"Channel with id [{channelId}] does not exist!");
if (channel is null) await LogWarningAsync(BotSource, $"Channel with id [{channelId}] does not exist!"); else await LogWarningAsync(BotSource, $"Channel is not a text channels and will not be used: {channel.Name} [{channel.Id}]!");
else await LogWarningAsync(BotSource, $"Channel is not a text channels and will not be used: {channel.Name} [{channel.Id}]!"); continue;
return null; }
if (textChannel.Guild is RestGuild guild) {
await guild.UpdateAsync();
await LogInfoAsync(BotSource, $"Whitelisted in channel: {channel.Name} [{channel.Id}] on server {guild.Name} [{guild.Id}]");
} else {
await LogWarningAsync(BotSource, $"Whitelisted in channel: {channel.Name} [{channel.Id}] on unknown server!");
}
yield return textChannel;
} }
if (textChannel.Guild is RestGuild guild) {
await guild.UpdateAsync();
await LogInfoAsync(BotSource, $"Whitelisted in channel: {channel.Name} [{channel.Id}] on server {guild.Name} [{guild.Id}]");
} else {
await LogWarningAsync(BotSource, $"Whitelisted in channel: {channel.Name} [{channel.Id}] on unknown server!");
}
return textChannel;
} }
private async Task SocketReceived(IWebSocketConnection socket, string message) { private static async Task SocketReceived(IWebSocketConnection socket, string message)
await LogInfoAsync(WebSocketSource, $"[{socket.ConnectionInfo.Id}] Received: {message}"); => await LogInfoAsync(WebSocketSource, $"[{socket.ConnectionInfo.Id}] Received: {message}");
await (message switch {
"getcode" => SendClientCode(socket),
string s when s.StartsWith("login=") => ClientComputerConnected(socket, s[6..]),
string s when s.StartsWith("error=") => ClientComputerError(socket, s[6..]),
_ => DisruptClientConnection(socket, "Protocol violation!")
});
}
private static async Task ClientComputerError(IWebSocketConnection socket, string message) private void AddComputerSocket(IWebSocketConnection socket, ConnectedComputer pc) => Computer = pc;
=> await LogWarningAsync("Client", $"Computer failed to run the script: {message}");
private async Task ClientComputerConnected(IWebSocketConnection socket, string token) {
if (!_tokenProvider.VerifyToken(token)) {
await DisruptClientConnection(socket, "outdated");
return;
}
await LogInfoAsync(WebSocketSource, $"[{socket.ConnectionInfo.Id}] Client logged in with valid script!");
AddComputerSocket(socket);
}
private static async Task DisruptClientConnection(IWebSocketConnection socket, string reason) {
await socket.Send(reason);
await LogWarningAsync(WebSocketSource, $"[{socket.ConnectionInfo.Id}] Client will be terminated, reason: {reason}");
socket.Close();
}
private async Task SendClientCode(IWebSocketConnection socket) {
await socket.Send(GetVerifiedClientScript());
await LogInfoAsync(WebSocketSource, $"[{socket.ConnectionInfo.Id}] Script sent to client!");
}
private void AddComputerSocket(IWebSocketConnection socket) => _computer.Socket = socket;
private void RemoveComputerSocket(IWebSocketConnection socket) { private void RemoveComputerSocket(IWebSocketConnection socket) {
if (_computer.Socket is { ConnectionInfo.Id: Guid id } && id == socket.ConnectionInfo.Id) _computer.Socket = null; if (Computer is { ConnectionInfo.Id: Guid id } && id == socket.ConnectionInfo.Id) Computer = null;
} }
private async Task SocketClosed(IWebSocketConnection socket) { private async Task SocketClosed(IWebSocketConnection socket) {
@ -203,18 +134,19 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
await LogInfoAsync(WebSocketSource, $"[{socket.ConnectionInfo.Id}] Client disconnected!"); await LogInfoAsync(WebSocketSource, $"[{socket.ConnectionInfo.Id}] Client disconnected!");
} }
private static async Task SocketOpened(IWebSocketConnection socket) => await LogInfoAsync(WebSocketSource, $"[{socket.ConnectionInfo.Id}] Client connected from {socket.ConnectionInfo.ClientIpAddress}:{socket.ConnectionInfo.ClientPort}!"); private async Task SocketOpened(IWebSocketConnection socket) {
AddComputerSocket(socket, new(socket));
await LogInfoAsync(WebSocketSource, $"[{socket.ConnectionInfo.Id}] Client connected from {socket.ConnectionInfo.ClientIpAddress}:{socket.ConnectionInfo.ClientPort}!");
}
private async Task DiscordMessageReceived(SocketMessage arg, int timeout = 10000) { private async Task DiscordMessageReceived(SocketMessage arg, int timeout = 10000) {
if (arg is not SocketUserMessage message) return; if (arg is not SocketUserMessage message) return;
if (message.Author.IsBot) return; if (message.Author.IsBot) return;
if (!IsChannelWhitelisted(arg.Channel)) return; if (!IsChannelWhitelisted(arg.Channel)) return;
if (arg.Type is not MessageType.Default) return;
var cts = new CancellationTokenSource(timeout); var cts = new CancellationTokenSource(timeout);
if (IsCommand(message, out var argPos)) { if (IsCommand(message, out var argPos)) {
await arg.Channel.TriggerTypingAsync();
var parameters = message.Content[argPos..].Split(WhiteSpace, StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries); var parameters = message.Content[argPos..].Split(WhiteSpace, StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
_ = Task.Run(async () => { _ = Task.Run(async () => {
var response = await HandleCommand(message, parameters, cts.Token); var response = await HandleCommand(message, parameters, cts.Token);
@ -224,18 +156,16 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
} }
await LogInfoAsync("Discord", $"[{arg.Author.Username}] {arg.Content}"); await LogInfoAsync("Discord", $"[{arg.Author.Username}] {arg.Content}");
_ = Task.Run(() => _computer.Chat.SendMessageAsync(arg.Content, arg.Author.Username, cts.Token)); // TODO: Relay Message to Chat Receiver
} }
private Task SendResponse(SocketUserMessage message, ResponseType response) => response switch { private Task SendResponse(SocketUserMessage message, ResponseType response) => response switch {
ResponseType.IChoiceResponse res => HandleChoice(message, res), ResponseType.IChoiceResponse res => HandleChoice(message, res),
ResponseType.StringResponse res => message.ReplyAsync(res.Message), ResponseType.StringResponse res => message.ReplyAsync(res.Message),
ResponseType.FileResponse res => message.Channel.SendFileAsync(res.Path, text: res.Message), _ => message.ReplyAsync($"Whoops, someone forgot to implement '{response.GetType()}' responses?"),
_ => message.ReplyAsync($"Whoops, someone forgot to implement '{response.GetType().Name}' responses?"),
}; };
private readonly ConcurrentDictionary<ulong, ResponseType.IChoiceResponse> _choiceWait = new(); private readonly ConcurrentDictionary<ulong, ResponseType.IChoiceResponse> _choiceWait = new();
private readonly HashSet<ulong> _administrators;
private async Task DiscordReactionAdded(Cacheable<IUserMessage, ulong> message, Cacheable<IMessageChannel, ulong> channel, SocketReaction reaction) { private async Task DiscordReactionAdded(Cacheable<IUserMessage, ulong> message, Cacheable<IMessageChannel, ulong> channel, SocketReaction reaction) {
var msgObject = await message.GetOrDownloadAsync(); var msgObject = await message.GetOrDownloadAsync();
@ -259,14 +189,14 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
} }
public async Task<ResponseType> HandleCommand(SocketUserMessage message, string[] parameters, CancellationToken ct) { public async Task<ResponseType> HandleCommand(SocketUserMessage message, string[] parameters, CancellationToken ct) {
if (_computer is ICommandHandler<ResponseType> handler) if (Computer is ICommandHandler<ResponseType> handler)
try { try {
return await handler.HandleCommand(message, parameters, ct); return await handler.HandleCommand(message, parameters, ct);
} catch (TaskCanceledException) { } catch (TaskCanceledException) {
return ResponseType.AsString("Your request could not be processed in time!"); return ResponseType.AsString("Your request could not be processed in time!");
} catch (ReplyException e) { } catch (ReplyException e) {
await LogInfoAsync(BotSource, e.Message); await LogWarningAsync(BotSource, e.Message);
return ResponseType.AsString(e.Message); return ResponseType.AsString($"Your request failed: {e.Message}");
} catch (Exception e) { } catch (Exception e) {
await LogErrorAsync(BotSource, e); await LogErrorAsync(BotSource, e);
return ResponseType.AsString($"Oopsie doopsie, this should not have happened!"); return ResponseType.AsString($"Oopsie doopsie, this should not have happened!");
@ -289,29 +219,14 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
public static void LogError(string source, Exception exception) => Log(new(LogSeverity.Error, source, exception?.Message, exception)); public static void LogError(string source, Exception exception) => Log(new(LogSeverity.Error, source, exception?.Message, exception));
private static async Task LogAsync(LogMessage msg) { private static async Task LogAsync(LogMessage msg) {
lock (LogLock) { Log(msg);
var oldColor = Console.ForegroundColor; await Task.CompletedTask;
try {
Console.ForegroundColor = msg.Severity switch {
LogSeverity.Critical => ConsoleColor.Magenta,
LogSeverity.Error => ConsoleColor.Red,
LogSeverity.Warning => ConsoleColor.Yellow,
LogSeverity.Info => ConsoleColor.White,
LogSeverity.Verbose => ConsoleColor.Blue,
LogSeverity.Debug => ConsoleColor.DarkBlue,
_ => ConsoleColor.Cyan,
};
Console.WriteLine(msg.ToString());
} finally {
Console.ForegroundColor = oldColor;
}
}
if (msg.Severity <= DiscordLogSeverity && LogChannel is ITextChannel log) {
await log.SendMessageAsync($"{msg.Severity}: {msg}");
}
} }
public static void Log(LogMessage msg) => _ = Task.Run(() => LogAsync(msg)); public static void Log(LogMessage msg) {
lock (LogLock)
Console.WriteLine(msg.ToString());
}
protected virtual void Dispose(bool disposing) { protected virtual void Dispose(bool disposing) {
if (!disposedValue) { if (!disposedValue) {
@ -339,29 +254,12 @@ public class Program : IDisposable, ICommandHandler<ResponseType>, IUserRoleMana
Dispose(disposing: true); Dispose(disposing: true);
GC.SuppressFinalize(this); GC.SuppressFinalize(this);
} }
public void RequireAdministrator(ulong user, string? message = null) {
if (!_administrators.Contains(user))
throw new ReplyException(message ?? "User is not authorized to access this command!");
}
}
public class ActiveChannel {
public ActiveChannel(ITextChannel channel, IWebhook webhook) {
Channel = channel;
Webhook = webhook;
}
public IWebhook Webhook { get; }
public ITextChannel Channel { get; }
} }
public abstract class ResponseType { public abstract class ResponseType {
private static string DefaultDisplay<T>(T obj) => obj?.ToString() ?? throw new InvalidProgramException("ToString did not yield anything!"); private static string DefaultDisplay<T>(T obj) => obj?.ToString() ?? throw new InvalidProgramException("ToString did not yield anything!");
public static ResponseType AsString(string message) => new StringResponse(message); public static ResponseType AsString(string message) => new StringResponse(message);
public static ResponseType FromChoice<T>(string query, IEnumerable<T> choice, Func<T, Task> resultHandler, Func<T, string>? display = null) => new ChoiceResponse<T>(query, choice, resultHandler, display ?? DefaultDisplay); public static ResponseType FromChoice<T>(string query, IEnumerable<T> choice, Func<T, Task> resultHandler, Func<T, string>? display = null) => new ChoiceResponse<T>(query, choice, resultHandler, display ?? DefaultDisplay);
internal static ResponseType File(string path, string message) => new FileResponse(path, message);
public class StringResponse : ResponseType { public class StringResponse : ResponseType {
public StringResponse(string message) => Message = message; public StringResponse(string message) => Message = message;
public string Message { get; } public string Message { get; }
@ -385,14 +283,4 @@ public abstract class ResponseType {
_displayer = display; _displayer = display;
} }
} }
public class FileResponse : ResponseType {
public FileResponse(string path, string message) {
Path = path;
Message = message;
}
public string Path { get; }
public string Message { get; }
}
} }

26
MinecraftDiscordBot/Services/ChatBoxService.cs
View File

@ -1,26 +0,0 @@
using Discord.WebSocket;
using MinecraftDiscordBot.Commands;
namespace MinecraftDiscordBot.Services;
public class ChatBoxService : CommandRouter {
private readonly ITaskWaitSource _taskSource;
public ChatBoxService(ITaskWaitSource taskSource) => _taskSource = taskSource;
public override string HelpTextPrefix => "!chat ";
public override Task<ResponseType> FallbackHandler(SocketUserMessage message, string method, string[] parameters, CancellationToken ct)
=> throw new ReplyException($"The chat box cannot do '{method}'!");
private Task<T> Method<T>(string methodName, Func<string, T> parser, CancellationToken ct, Dictionary<string, object>? parameters = null)
=> RootCommandService.Method(_taskSource, methodName, parser, ct, parameters);
public Task<bool> SendMessageAsync(string message, string prefix, CancellationToken ct) => Method("send", RootCommandService.Deserialize<bool>(), ct, new() {
["message"] = message,
["prefix"] = prefix
});
public Task<bool> SendMessageToPlayerAsync(string message, string username, string prefix, CancellationToken ct) => Method("send", RootCommandService.Deserialize<bool>(), ct, new() {
["message"] = message,
["username"] = username,
["prefix"] = prefix
});
}

37
MinecraftDiscordBot/Services/PlayerDetectorService.cs
View File

@ -1,37 +0,0 @@
using Discord.WebSocket;
using MinecraftDiscordBot.Commands;
using MinecraftDiscordBot.Models;
using Newtonsoft.Json;
namespace MinecraftDiscordBot.Services;
public class PlayerDetectorService : CommandRouter {
private readonly ITaskWaitSource _taskSource;
public PlayerDetectorService(ITaskWaitSource taskSource) => _taskSource = taskSource;
public override string HelpTextPrefix => "!pd ";
public override Task<ResponseType> FallbackHandler(SocketUserMessage message, string method, string[] parameters, CancellationToken ct)
=> throw new ReplyException($"The player detector cannot do '{method}'!");
private Task<T> Method<T>(string methodName, Func<string, T> parser, CancellationToken ct, Dictionary<string, object>? parameters = null)
=> RootCommandService.Method(_taskSource, methodName, parser, ct, parameters);
public Task<string[]> GetOnlinePlayersAsync(CancellationToken ct) => Method("getonline", RootCommandService.Deserialize<string[]>(), ct);
public async Task<PlayerPosition> GetPlayerPosition(string username, CancellationToken ct)
=> (await FindPlayerAsync(username, ct)) ?? throw new ReplyException($"User '{username}' is not online!");
private Task<PlayerPosition?> FindPlayerAsync(string username, CancellationToken ct) => Method("whereis", i => JsonConvert.DeserializeObject<PlayerPosition?>(i), ct, new() {
["username"] = username
});
[CommandHandler("getonline", HelpText = "Get a list of online players.")]
public async Task<ResponseType> HandleOnlinePlayers(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> ResponseType.AsString($"The following players are currently online:\n{string.Join("\n", await GetOnlinePlayersAsync(ct))}");
[CommandHandler("whereis", HelpText = "Find a player in the world.")]
public async Task<ResponseType> HandleFindPlayers(SocketUserMessage message, string[] parameters, CancellationToken ct) {
if (parameters is not { Length: 1 }) throw new ReplyException($"Give me only one username!");
var username = parameters[0];
var player = await FindPlayerAsync(username, ct);
if (player is null) throw new ReplyException($"{username} is currently offline!");
return ResponseType.AsString($"{username} is at coordinates {player.X} {player.Y} {player.Z} in dimension {player.Dimension}.");
}
}

183
MinecraftDiscordBot/Services/RefinedStorageService.cs
View File

@ -1,183 +0,0 @@
using Discord;
using Discord.WebSocket;
using MinecraftDiscordBot.Commands;
using MinecraftDiscordBot.Models;
using System.Text;
using System.Text.RegularExpressions;
namespace MinecraftDiscordBot.Services;
public class RefinedStorageService : CommandRouter {
private readonly ITaskWaitSource _taskSource;
private readonly IUserRoleManager _roleManager;
public override string HelpTextPrefix => "!rs ";
public RefinedStorageService(ITaskWaitSource taskSource, IUserRoleManager roleManager) : base() {
_taskSource = taskSource;
_roleManager = roleManager;
}
public override Task<ResponseType> FallbackHandler(SocketUserMessage message, string method, string[] parameters, CancellationToken ct)
=> throw new ReplyException($"The RS system has no command '{method}'!");
private Task<T> Method<T>(string methodName, Func<string, T> parser, CancellationToken ct, Dictionary<string, object>? parameters = null)
=> RootCommandService.Method(_taskSource, methodName, parser, ct, parameters);
private const string CmdEnergyUsage = "energyusage";
private const string CmdEnergyStorage = "energystorage";
private const string CmdListItems = "listitems";
private const string CmdItemName = "itemname";
private const string CmdListFluids = "listfluids";
private const string CmdCraftItem = "craft";
private const string CmdGetItem = "getitem";
private const string CmdCommand = "command";
public async Task<int> GetEnergyUsageAsync(CancellationToken ct) => await Method(CmdEnergyUsage, int.Parse, ct);
public async Task<int> GetEnergyStorageAsync(CancellationToken ct) => await Method(CmdEnergyStorage, int.Parse, ct);
public async Task<IEnumerable<Item>> ListItemsAsync(CancellationToken ct) => await Method(CmdListItems, RootCommandService.Deserialize<IEnumerable<Item>>(), ct);
public async Task<IEnumerable<Fluid>> ListFluidsAsync(CancellationToken ct) => await Method(CmdListFluids, RootCommandService.Deserialize<IEnumerable<Fluid>>(), ct);
public async Task<Item> GetItemDataAsync(string itemid, CancellationToken ct) => await Method(CmdGetItem, RootCommandService.Deserialize<Item>(), ct, new() {
["name"] = itemid
});
public async Task<Item> GetItemDataAsync(Md5Hash fingerprint, CancellationToken ct) => await Method(CmdGetItem, RootCommandService.Deserialize<Item>(), ct, new() {
["fingerprint"] = fingerprint.ToString()
});
public async Task<bool> CraftItemAsync(string itemid, int amount, CancellationToken ct) => await Method(CmdCraftItem, RootCommandService.Deserialize<bool>(), ct, new() {
["name"] = itemid,
["count"] = amount
});
public async Task<LuaPackedArray> RawCommandAsync(string command, CancellationToken ct) => await Method(CmdCommand, LuaPackedArray.Deserialize, ct, new() {
["command"] = command
});
private Task<IEnumerable<Item>> FilterItems(SocketUserMessage message, IEnumerable<string> filters, CancellationToken ct)
=> FilterItems(message, filters.Select(ItemFilter.Parse), ct);
private async Task<IEnumerable<Item>> FilterItems(SocketUserMessage message, IEnumerable<ItemFilter> filters, CancellationToken ct) {
var items = Items?.ToList().AsEnumerable();
if (items is null) items = (await RefreshItemList(ct)).ToList();
foreach (var filter in filters)
items = items.Where(filter.MatchItem);
return items.ToList();
}
private async Task<List<Item>> RefreshItemList(CancellationToken ct) {
var response = await ListItemsAsync(ct);
lock (_itemLock) {
Items = response.OrderByDescending(i => i.Amount).ToList();
return Items;
}
}
private List<Item>? Items;
private readonly object _itemLock = new();
[CommandHandler(CmdEnergyStorage, HelpText = "Get the amount of energy stored in the RS system.")]
public async Task<ResponseType> HandleEnergyStorage(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> ResponseType.AsString($"Refined Storage system stores {await GetEnergyStorageAsync(ct)} RF/t");
[CommandHandler(CmdEnergyUsage, HelpText = "Get the amount of energy used by the RS system.")]
public async Task<ResponseType> HandleEnergyUsage(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> ResponseType.AsString($"Refined Storage system currently uses {await GetEnergyUsageAsync(ct)} RF/t");
[CommandHandler(CmdCraftItem, HelpText = "Craft a specific item given an item ID and optionally an amount.")]
public async Task<ResponseType> HandleCraftItem(SocketUserMessage message, string[] parameters, CancellationToken ct) {
var amount = 1;
string itemid;
if (parameters.Length is 1 or 2) {
itemid = parameters[0];
if (parameters.Length is 2)
amount = int.TryParse(parameters[1], out var value)
? value
: throw new ReplyException($"I expected an amount to craft, not '{parameters[1]}'!");
} else return parameters.Length is < 1
? throw new ReplyException("You have to give me at least an item name!")
: parameters.Length is > 2
? throw new ReplyException("Yo, those are way too many arguments! I want only item name and maybe an amount!")
: throw new InvalidOperationException($"Forgot to match parameter length {parameters.Length}!");
return await CraftItemAsync(itemid, amount, ct)
? ResponseType.AsString($"Alright, I'm starting to craft {amount} {itemid}.")
: ResponseType.AsString($"Nope, that somehow doesn't work!");
}
[CommandHandler(CmdGetItem, HelpText = "Get information about a specific item.")]
public async Task<ResponseType> HandleGetItemData(SocketUserMessage message, string[] parameters, CancellationToken ct) {
string itemid;
if (parameters.Length is not 1) throw new ReplyException($"I only want one name or fingerprint to search for, you gave me {parameters.Length} arguments!");
itemid = parameters[0];
var item = await (Md5Hash.TryParse(itemid, out var fingerprint)
? GetItemDataAsync(fingerprint, ct)
: GetItemDataAsync(itemid, ct));
var sb = new StringBuilder();
sb.Append($"We currently have {item.Amount:n0} {item.CleanDisplayName}!");
if (item.Tags is not null and var tags) {
sb.AppendLine("\nThis item has the following tags:");
sb.AppendJoin('\n', tags.Select(tag => $"- {tag}"));
}
sb.Append($"\nRefer to this item with fingerprint {item.Fingerprint}");
return ResponseType.AsString(sb.ToString());
}
[CommandHandler(CmdItemName, HelpText = "Filter items by name.")]
public async Task<ResponseType> HandleItemName(SocketUserMessage message, string[] parameters, CancellationToken ct) {
if (parameters.Length < 2) return ResponseType.AsString($"Usage: {CmdItemName} filters...");
else {
var items = await FilterItems(message, parameters[1..], ct);
var sb = new StringBuilder();
sb.AppendLine("Did you mean:");
sb.AppendJoin("\n", items.Select(i => i.ToString()));
return ResponseType.AsString(sb.ToString());
}
}
[CommandHandler(CmdListFluids, HelpText = "Gets a list of fluids that are currently stored in the RS system.")]
public async Task<ResponseType> HandleFluidListing(SocketUserMessage message, string[] parameters, CancellationToken ct) {
var sb = new StringBuilder();
sb.Append("The Refined Storage system stores those fluids:");
var fluids = await ListFluidsAsync(ct);
foreach (var fluid in fluids.OrderByDescending(i => i.Amount))
if (fluid.Amount > 10000) sb.AppendFormat("\n{0:n2} B of {1}", fluid.Amount / 1000.0f, fluid.DisplayName);
else sb.AppendFormat("\n{0:n0} mB of {1}", fluid.Amount, fluid.DisplayName);
return ResponseType.AsString(sb.ToString());
}
[CommandHandler(CmdCommand, HelpText = "Runs a raw command on the RS system.")]
public async Task<ResponseType> HandleRawCommand(SocketUserMessage message, string[] parameters, CancellationToken ct) {
_roleManager.RequireAdministrator(message.Author.Id, "You are not authorized to run raw commands on this instance!");
var command = string.Join(' ', parameters);
var response = await RawCommandAsync(command, ct);
return ResponseType.AsString(response.ToString());
}
[CommandHandler(CmdListItems, HelpText = "Gets a list of items that are currently stored in the RS system.")]
public async Task<ResponseType> HandleItemListing(SocketUserMessage message, string[] parameters, CancellationToken ct) {
if (parameters.Length is 1 && parameters[0] == "full") return await SendFullItemList(message, ct);
var sb = new StringBuilder();
sb.Append("The Refined Storage system currently stores these items:");
var items = await RefreshItemList(ct);
lock (_itemLock) {
var taken = 0;
foreach (var item in items) {
if (sb.Length > 500) break;
sb.Append('\n');
sb.Append(item.ToString());
taken++;
}
if (items.Count > taken) sb.AppendFormat("\nand {0:n0} more items.", items.Skip(taken).Sum(i => i.Amount));
}
return ResponseType.AsString(sb.ToString());
}
private async Task<ResponseType> SendFullItemList(SocketUserMessage message, CancellationToken ct) {
var path = await GetItemListFile(ct);
return ResponseType.File(path, $"{message.Author.Mention} Here you go:");
}
private async Task<string> GetItemListFile(CancellationToken ct) {
var items = await RefreshItemList(ct);
var file = Path.Combine(Path.GetTempPath(), "itemlist.txt");
var fs = new FileStream(file, FileMode.OpenOrCreate, FileAccess.Write);
using (var sw = new StreamWriter(fs, Encoding.UTF8)) {
await sw.WriteLineAsync("The RS System stores the following items:");
foreach (var item in items)
await sw.WriteLineAsync(item.DetailString);
};
return file;
}
}

11
MinecraftDiscordBot/Services/ReplyException.cs
View File

@ -1,11 +0,0 @@
using System.Runtime.Serialization;
namespace MinecraftDiscordBot.Services;
[Serializable]
public class ReplyException : Exception {
public ReplyException() { }
public ReplyException(string message) : base(message) { }
public ReplyException(string message, Exception inner) : base(message, inner) { }
protected ReplyException(SerializationInfo info, StreamingContext context) : base(info, context) { }
}

128
MinecraftDiscordBot/Services/RootCommandService.cs
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@ -1,128 +0,0 @@
using Discord.WebSocket;
using Fleck;
using MinecraftDiscordBot.Commands;
using MinecraftDiscordBot.Models;
using Newtonsoft.Json;
using System.Linq;
namespace MinecraftDiscordBot.Services;
public delegate Task<TResponse> HandleCommandDelegate<TResponse>(SocketUserMessage message, string[] parameters, CancellationToken ct);
public delegate Task HandleCommandDelegate(SocketUserMessage message, string[] parameters, CancellationToken ct);
public class RootCommandService : CommandRouter, ITaskWaitSource {
protected IWebSocketConnection? _socketField;
public override string HelpTextPrefix => "!";
public RootCommandService(IUserRoleManager roleManager) : base() {
RefinedStorage = new RefinedStorageService(this, roleManager);
Players = new PlayerDetectorService(this);
Chat = new ChatBoxService(this);
}
public static async Task<T> Method<T>(ITaskWaitSource taskSource, string methodName, Func<string, T> parser, CancellationToken ct, Dictionary<string, object>? parameters = null) {
var waiter = taskSource.GetWaiter(parser, ct);
await taskSource.Send(new RequestMessage(waiter.ID, methodName, parameters));
return await waiter.Task;
}
public event EventHandler<ChatEvent>? ChatMessageReceived;
public event EventHandler<PlayerStatusEvent>? PlayerStatusChanged;
public event EventHandler<PeripheralAttachEvent>? PeripheralAttached;
public event EventHandler<PeripheralDetachEvent>? PeripheralDetached;
public event EventHandler<IWebSocketConnection?>? SocketChanged;
public IWebSocketConnection? Socket {
get => _socketField; set {
if (_socketField != value) {
_socketField = value;
if (value is not null) value.OnMessage = OnMessage;
SocketChanged?.Invoke(this, value);
}
}
}
public RefinedStorageService RefinedStorage { get; }
public PlayerDetectorService Players { get; }
public ChatBoxService Chat { get; }
private void OnMessage(string message) {
switch (Message.Deserialize(message)) {
case ChatEvent msg:
ChatMessageReceived?.Invoke(this, msg);
break;
case PlayerStatusEvent msg:
PlayerStatusChanged?.Invoke(this, msg);
break;
case PeripheralAttachEvent msg:
PeripheralAttached?.Invoke(this, msg);
break;
case PeripheralDetachEvent msg:
PeripheralDetached?.Invoke(this, msg);
break;
case ReplyMessage msg:
IChunkWaiter? waiter;
lock (_syncRoot) if (!_waits.TryGetValue(msg.AnswerId, out waiter)) {
Program.LogWarningAsync("Socket", $"Invalid wait id '{msg.AnswerId}'!");
return;
}
waiter.SetResultState(msg.State);
waiter.AddChunk(msg.Chunk, msg.Total, msg.Result);
if (waiter.Finished || waiter.IsCancellationRequested)
lock (_syncRoot)
_waits.Remove(waiter.ID);
break;
default:
Program.LogInfo(Program.WebSocketSource, $"Received unhandled message: {message}!");
break;
}
}
public Task Send(string message) => (Socket ?? throw new ReplyException("Minecraft server is not available!")).Send(message);
public Task Send(Message message) => Send(JsonConvert.SerializeObject(message));
private readonly object _syncRoot = new();
private readonly Dictionary<int, IChunkWaiter> _waits = new();
private readonly Random _rnd = new();
private int GetFreeId() {
var attempts = 0;
while (true) {
var id = _rnd.Next();
if (!_waits.ContainsKey(id))
return id;
Program.LogWarningAsync(Program.WebSocketSource, $"Could not get a free ID after {++attempts} attempts!");
}
}
public ChunkWaiter<T> GetWaiter<T>(Func<string, T> resultParser, CancellationToken ct) {
ChunkWaiter<T> waiter;
lock (_syncRoot) {
waiter = new ChunkWaiter<T>(GetFreeId(), resultParser, ct);
_waits.Add(waiter.ID, waiter);
}
return waiter;
}
public Task<Dictionary<string, Peripheral>> GetPeripherals(CancellationToken ct) => Method(this, "peripherals", Deserialize<Dictionary<string, Peripheral>>(), ct);
[CommandHandler("rs", HelpText = "Provides some commands for interacting with the Refined Storage system.")]
public Task<ResponseType> RefinedStorageHandler(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> RefinedStorage.HandleCommand(message, parameters, ct);
[CommandHandler("peripherals", HelpText = "Gets a list of peripherals that are attached.")]
public async Task<ResponseType> HandleGetPeripherals(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> ResponseType.AsString(string.Join("\n", (await GetPeripherals(ct)).Values.Select(i => $"On side {i.Side}: {i.Type}")));
[CommandHandler("pd", HelpText = "Provides some commands for interacting with the Player Detector.")]
public Task<ResponseType> PlayerDetectorHandler(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> Players.HandleCommand(message, parameters, ct);
[CommandHandler("chat", HelpText = "Provides some commands for chatting.")]
public Task<ResponseType> ChatBoxHandler(SocketUserMessage message, string[] parameters, CancellationToken ct)
=> Chat.HandleCommand(message, parameters, ct);
public static Func<string, T> Deserialize<T>() => msg
=> JsonConvert.DeserializeObject<T>(msg) ?? throw new InvalidProgramException("Empty response!");
public override Task<ResponseType> FallbackHandler(SocketUserMessage message, string method, string[] parameters, CancellationToken ct)
=> throw new ReplyException($"What the fuck do you mean by '{method}'?");
}
public interface ITaskWaitSource {
ChunkWaiter<T> GetWaiter<T>(Func<string, T> resultParser, CancellationToken ct);
Task Send(Message requestMessage);
}

36
MinecraftDiscordBot/TimeoutTokenProvider.cs
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@ -1,36 +0,0 @@
namespace MinecraftDiscordBot;
public class TimeoutTokenProvider : ITokenProvider {
public TimeoutTokenProvider(int instanceId, int timeoutSeconds, ICipher? cipher = null) {
InstancePrefix = Convert.ToHexString(BitConverter.GetBytes(instanceId));
_timeout = timeoutSeconds;
_cipher = cipher ?? new AesCipher();
}
private readonly ICipher _cipher;
private readonly int _timeout;
public string InstancePrefix { get; }
public bool VerifyToken(string token) {
if (!token.StartsWith(InstancePrefix)) return false;
token = token[InstancePrefix.Length..];
byte[] data;
try {
data = _cipher.Decrypt(Convert.FromHexString(token));
} catch (Exception e) {
Program.LogError("TokenProvider", e);
return false;
}
var when = DateTime.FromBinary(BitConverter.ToInt64(data, 0));
return when >= DateTime.UtcNow.AddSeconds(-_timeout);
}
public string GenerateToken() {
var time = BitConverter.GetBytes(DateTime.UtcNow.ToBinary());
var key = Guid.NewGuid().ToByteArray();
var token = InstancePrefix + Convert.ToHexString(_cipher.Encrypt(time.Concat(key).ToArray()));
return token;
}
}
public interface ITokenProvider {
string GenerateToken();
bool VerifyToken(string token);
}

38
build.py
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@ -2,12 +2,11 @@
import subprocess import subprocess
import argparse import argparse
from itertools import chain from itertools import chain
import re
dockercmd = 'docker' dockercmd = 'docker'
parser = argparse.ArgumentParser(description='Create custom recumock images.') parser = argparse.ArgumentParser(description='Create custom recumock images.')
parser.add_argument('tags', metavar='TAG', nargs='*', help='Version tags to build.') parser.add_argument('tags', metavar='TAG', nargs='+', help='Version tags to build.')
args = parser.parse_args() args = parser.parse_args()
@ -16,31 +15,20 @@ platforms = ['linux/amd64', 'linux/arm64', 'linux/arm/v7']
def pull(image): def pull(image):
subprocess.run([dockercmd, 'pull', baseimage], check=True) subprocess.run([dockercmd, 'pull', baseimage], check=True)
def build(images, directory, platforms, build_args = None): def build(image, directory, platforms, build_args = None):
if build_args is None: if build_args is None:
build_args = [] build_args = []
build_args = list(chain.from_iterable(['--build-arg', f'{arg}={val}'] for (arg, val) in build_args)) build_args = list(chain.from_iterable(['--build-arg', f'{arg}={val}'] for (arg, val) in build_args))
tags = list(chain.from_iterable(['-t', image] for image in images))
platformlist = ','.join(platforms) platformlist = ','.join(platforms)
command = [dockercmd, 'buildx', 'build', '-f', 'MinecraftDiscordBot/Dockerfile', '--platform', platformlist, *tags] + build_args + ['--push', directory] subprocess.run([dockercmd, 'buildx', 'build', '-f', 'MinecraftDiscordBot/Dockerfile', '--platform', platformlist, '-t', image] + build_args + ['--push', directory], check=True)
print(' '.join(command))
subprocess.run(command, check=True)
def version_from_project(): for tag in args.tags:
with open(r'MinecraftDiscordBot\MinecraftDiscordBot.csproj', 'r') as f: targetimage = f'chenio/mcdiscordbot:{tag}'
project = f.read() baseimage = f'mcr.microsoft.com/dotnet/runtime:6.0'
regex = r"<Version>\s*([^<]*?)\s*<\/Version>" #print(f'Pulling base image {baseimage}')
matches = re.search(regex, project, re.IGNORECASE) #pull(baseimage)
if not matches: print(f'Building image {targetimage} from {baseimage}.')
raise Exception("Could not read version from project file!") build(targetimage, '.', platforms, [('TAG', tag)])
return matches.group(1)
if len(args.tags) == 0:
args.tags.append(version_from_project())
for version in args.tags:
parts = version.split('.')
tags = list('.'.join(parts[:i]) for i in range(1, len(parts) + 1))
tags.append('latest')
build([f'chenio/mcdiscordbot:{tag}' for tag in tags], '.', platforms)