372 lines
16 KiB
C#
372 lines
16 KiB
C#
using Discord;
|
|
using Discord.WebSocket;
|
|
using MareSynchronosServer.Data;
|
|
using MareSynchronosServer.Hubs;
|
|
using MareSynchronosServer.Metrics;
|
|
using MareSynchronosServer.Models;
|
|
using Microsoft.EntityFrameworkCore;
|
|
using Microsoft.Extensions.Configuration;
|
|
using Microsoft.Extensions.DependencyInjection;
|
|
using Microsoft.Extensions.Hosting;
|
|
using Microsoft.Extensions.Logging;
|
|
using System;
|
|
using System.Collections.Concurrent;
|
|
using System.Linq;
|
|
using System.Net.Http;
|
|
using System.Security.Cryptography;
|
|
using System.Text;
|
|
using System.Text.RegularExpressions;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace MareSynchronosServer.Discord
|
|
{
|
|
public class DiscordBot : IHostedService
|
|
{
|
|
private readonly IServiceProvider services;
|
|
private readonly IConfiguration configuration;
|
|
private readonly ILogger<DiscordBot> logger;
|
|
private string authToken = string.Empty;
|
|
DiscordSocketClient discordClient;
|
|
ConcurrentDictionary<ulong, string> DiscordLodestoneMapping = new();
|
|
private Timer _timer;
|
|
private readonly string[] LodestoneServers = new[] { "eu", "na", "jp", "fr", "de" };
|
|
|
|
public DiscordBot(IServiceProvider services, IConfiguration configuration, ILogger<DiscordBot> logger)
|
|
{
|
|
this.services = services;
|
|
this.configuration = configuration;
|
|
this.logger = logger;
|
|
|
|
authToken = configuration.GetValue<string>("DiscordBotToken");
|
|
|
|
discordClient = new(new DiscordSocketConfig()
|
|
{
|
|
DefaultRetryMode = RetryMode.AlwaysRetry
|
|
});
|
|
|
|
discordClient.Log += Log;
|
|
}
|
|
|
|
private async Task DiscordClient_SlashCommandExecuted(SocketSlashCommand arg)
|
|
{
|
|
if (arg.Data.Name == "register")
|
|
{
|
|
if (arg.Data.Options.FirstOrDefault(f => f.Name == "overwrite_old_account") != null)
|
|
{
|
|
await DeletePreviousUserAccount(arg.User.Id);
|
|
}
|
|
|
|
var modal = new ModalBuilder();
|
|
modal.WithTitle("Verify with Lodestone");
|
|
modal.WithCustomId("register_modal");
|
|
modal.AddTextInput("Enter the Lodestone URL of your Character", "lodestoneurl", TextInputStyle.Short, "https://*.finalfantasyxiv.com/lodestone/character/<CHARACTERID>/", required: true);
|
|
await arg.RespondWithModalAsync(modal.Build());
|
|
}
|
|
else if (arg.Data.Name == "verify")
|
|
{
|
|
await arg.DeferAsync(true);
|
|
Embed response = await HandleVerifyAsync(arg.User.Id);
|
|
await arg.FollowupAsync(embeds: new[] { response });
|
|
}
|
|
}
|
|
|
|
private async Task DeletePreviousUserAccount(ulong id)
|
|
{
|
|
using var scope = services.CreateScope();
|
|
using var db = scope.ServiceProvider.GetService<MareDbContext>();
|
|
var discordAuthedUser = await db.LodeStoneAuth.Include(u => u.User).FirstOrDefaultAsync(u => u.DiscordId == id);
|
|
if (discordAuthedUser != null && discordAuthedUser.User != null)
|
|
{
|
|
logger.LogInformation("Purging user: " + discordAuthedUser.User.UID);
|
|
|
|
FileCleanupService.PurgeUser(discordAuthedUser.User, db, configuration);
|
|
|
|
await db.SaveChangesAsync();
|
|
}
|
|
}
|
|
|
|
private async Task DiscordClient_ModalSubmitted(SocketModal arg)
|
|
{
|
|
if (arg.Data.CustomId == "register_modal")
|
|
{
|
|
await arg.DeferAsync(true);
|
|
var embed = await HandleRegisterModalAsync(arg);
|
|
await arg.FollowupAsync(embeds: new Embed[] { embed }, ephemeral: true);
|
|
}
|
|
}
|
|
|
|
private async Task<Embed> HandleVerifyAsync(ulong id)
|
|
{
|
|
var embedBuilder = new EmbedBuilder();
|
|
if (!DiscordLodestoneMapping.ContainsKey(id))
|
|
{
|
|
embedBuilder.WithTitle("Cannot verify registration");
|
|
embedBuilder.WithDescription("You need to **/register** first before you can **/verify**");
|
|
}
|
|
else
|
|
{
|
|
using var scope = services.CreateScope();
|
|
var req = new HttpClient();
|
|
using var db = scope.ServiceProvider.GetService<MareDbContext>();
|
|
|
|
var lodestoneAuth = db.LodeStoneAuth.SingleOrDefault(u => u.DiscordId == id);
|
|
if (lodestoneAuth != null)
|
|
{
|
|
Random rand = new();
|
|
var randomServer = LodestoneServers[rand.Next(LodestoneServers.Length)];
|
|
var response = await req.GetAsync($"https://{randomServer}.finalfantasyxiv.com/lodestone/character/{DiscordLodestoneMapping[id]}");
|
|
if (response.IsSuccessStatusCode)
|
|
{
|
|
var content = await response.Content.ReadAsStringAsync();
|
|
if (content.Contains(lodestoneAuth.LodestoneAuthString))
|
|
{
|
|
DiscordLodestoneMapping.TryRemove(id, out _);
|
|
|
|
using var sha256 = SHA256.Create();
|
|
var user = new User();
|
|
|
|
var hasValidUid = false;
|
|
while (!hasValidUid)
|
|
{
|
|
var uid = MareHub.GenerateRandomString(10);
|
|
if (db.Users.Any(u => u.UID == uid)) continue;
|
|
user.UID = uid;
|
|
hasValidUid = true;
|
|
}
|
|
|
|
// make the first registered user on the service to admin
|
|
if (!await db.Users.AnyAsync())
|
|
{
|
|
user.IsAdmin = true;
|
|
}
|
|
|
|
if (configuration.GetValue<bool>("PurgeUnusedAccounts"))
|
|
{
|
|
var purgedDays = configuration.GetValue<int>("PurgeUnusedAccountsPeriodInDays");
|
|
user.LastLoggedIn = DateTime.UtcNow - TimeSpan.FromDays(purgedDays) + TimeSpan.FromHours(1);
|
|
}
|
|
|
|
var computedHash = BitConverter.ToString(sha256.ComputeHash(Encoding.UTF8.GetBytes(MareHub.GenerateRandomString(64)))).Replace("-", "");
|
|
var auth = new Auth()
|
|
{
|
|
HashedKey = BitConverter.ToString(sha256.ComputeHash(Encoding.UTF8.GetBytes(computedHash)))
|
|
.Replace("-", ""),
|
|
User = user,
|
|
};
|
|
|
|
db.Users.Add(user);
|
|
db.Auth.Add(auth);
|
|
|
|
logger.LogInformation("User registered: " + user.UID);
|
|
|
|
MareMetrics.UsersRegistered.Inc();
|
|
|
|
lodestoneAuth.StartedAt = null;
|
|
lodestoneAuth.User = user;
|
|
lodestoneAuth.LodestoneAuthString = null;
|
|
|
|
embedBuilder.WithTitle("Registration successful");
|
|
embedBuilder.WithDescription("This is your private secret key. Do not share this private secret key with anyone. **If you lose it, it is irrevocably lost.**"
|
|
+ Environment.NewLine + Environment.NewLine
|
|
+ $"**{computedHash}**"
|
|
+ Environment.NewLine + Environment.NewLine
|
|
+ "Enter this key in Mare Synchronos and hit save to connect to the service."
|
|
+ Environment.NewLine
|
|
+ "You should connect as soon as possible to not get caught by the automatic cleanup process."
|
|
+ Environment.NewLine
|
|
+ "Have fun.");
|
|
}
|
|
else
|
|
{
|
|
embedBuilder.WithTitle("Failed to verify your character");
|
|
embedBuilder.WithDescription("Did not find requested authentication key on your profile. Make sure you have saved *twice*, then do **/verify** again.");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
embedBuilder.WithTitle("Failed to get response from Lodestone");
|
|
embedBuilder.WithDescription("Try again later");
|
|
lodestoneAuth.StartedAt = DateTime.UtcNow;
|
|
}
|
|
|
|
await db.SaveChangesAsync();
|
|
}
|
|
else
|
|
{
|
|
embedBuilder.WithTitle("Your auth has expired");
|
|
embedBuilder.WithDescription("Start again with **/register**");
|
|
DiscordLodestoneMapping.TryRemove(id, out _);
|
|
}
|
|
}
|
|
|
|
return embedBuilder.Build();
|
|
}
|
|
|
|
private async Task<Embed> HandleRegisterModalAsync(SocketModal arg)
|
|
{
|
|
var embed = new EmbedBuilder();
|
|
|
|
var lodestoneId = ParseCharacterIdFromLodestoneUrl(arg.Data.Components.Single(c => c.CustomId == "lodestoneurl").Value);
|
|
if (lodestoneId == null)
|
|
{
|
|
embed.WithTitle("Invalid Lodestone URL");
|
|
embed.WithDescription("The lodestone URL was not valid. It should have following format:" + Environment.NewLine
|
|
+ "https://eu.finalfantasyxiv.com/lodestone/character/YOUR_LODESTONE_ID/");
|
|
}
|
|
else
|
|
{
|
|
// check if userid is already in db
|
|
using var scope = services.CreateScope();
|
|
using var sha256 = SHA256.Create();
|
|
|
|
var hashedLodestoneId = BitConverter.ToString(sha256.ComputeHash(Encoding.UTF8.GetBytes(lodestoneId.ToString()))).Replace("-", "");
|
|
|
|
var db = scope.ServiceProvider.GetService<MareDbContext>();
|
|
|
|
if (db.LodeStoneAuth.Any(a => a.DiscordId == arg.User.Id))
|
|
{
|
|
// user already in db
|
|
embed.WithTitle("Registration failed");
|
|
embed.WithDescription("You cannot register more than one lodestone character to your discord account.");
|
|
}
|
|
else if (db.LodeStoneAuth.Any(a => a.HashedLodestoneId == hashedLodestoneId))
|
|
{
|
|
// character already in db
|
|
embed.WithTitle("Registration failed");
|
|
embed.WithDescription("This lodestone character already exists in the Database. If you are the rightful owner for this character and lost your secret key generated with it, contact the developer.");
|
|
}
|
|
else
|
|
{
|
|
string lodestoneAuth = await GenerateLodestoneAuth(arg.User.Id, hashedLodestoneId, db);
|
|
// check if lodestone id is already in db
|
|
embed.WithTitle("Authorize your character");
|
|
embed.WithDescription("Add following key to your character profile at https://na.finalfantasyxiv.com/lodestone/my/setting/profile/"
|
|
+ Environment.NewLine + Environment.NewLine
|
|
+ $"**{lodestoneAuth}**"
|
|
+ Environment.NewLine + Environment.NewLine
|
|
+ "Once added and saved, use command **/verify** to finish registration and receive a secret key to use for Mare Synchronos."
|
|
+ Environment.NewLine
|
|
+ "You can delete the entry from your profile after verification."
|
|
+ Environment.NewLine + Environment.NewLine
|
|
+ "The verification will expire in approximately 15 minutes. If you fail to **/verify** the registration will be invalidated and you have to **/register** again.");
|
|
DiscordLodestoneMapping[arg.User.Id] = lodestoneId.ToString();
|
|
}
|
|
}
|
|
|
|
return embed.Build();
|
|
}
|
|
|
|
private async Task<string> GenerateLodestoneAuth(ulong discordid, string hashedLodestoneId, MareDbContext dbContext)
|
|
{
|
|
var auth = MareHub.GenerateRandomString(64);
|
|
LodeStoneAuth lsAuth = new LodeStoneAuth()
|
|
{
|
|
DiscordId = discordid,
|
|
HashedLodestoneId = hashedLodestoneId,
|
|
LodestoneAuthString = auth,
|
|
StartedAt = DateTime.UtcNow
|
|
};
|
|
|
|
dbContext.Add(lsAuth);
|
|
await dbContext.SaveChangesAsync();
|
|
|
|
return auth;
|
|
}
|
|
|
|
private int? ParseCharacterIdFromLodestoneUrl(string lodestoneUrl)
|
|
{
|
|
var isLodestoneUrl = Regex.Match(lodestoneUrl, @"https:\/\/(na|eu|de|fr|jp)\.finalfantasyxiv\.com\/lodestone\/character\/\d+").Success;
|
|
if (!isLodestoneUrl) return null;
|
|
|
|
lodestoneUrl = lodestoneUrl.Split('/', StringSplitOptions.RemoveEmptyEntries).Last();
|
|
if (!int.TryParse(lodestoneUrl, out int lodestoneId))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
return lodestoneId;
|
|
}
|
|
|
|
private async Task DiscordClient_Ready()
|
|
{
|
|
var register = new SlashCommandBuilder()
|
|
.WithName("register")
|
|
.WithDescription("Registration for the Mare Synchronos server of this Discord")
|
|
.AddOption(new SlashCommandOptionBuilder()
|
|
.WithName("new_account")
|
|
.WithDescription("Starts the registration process for the Mare Synchronos server of this Discord")
|
|
.WithType(ApplicationCommandOptionType.SubCommand))
|
|
.AddOption(new SlashCommandOptionBuilder()
|
|
.WithName("overwrite_old_account")
|
|
.WithDescription("Will forcefully overwrite your current character on the service, if present")
|
|
.WithType(ApplicationCommandOptionType.SubCommand));
|
|
|
|
var verify = new SlashCommandBuilder();
|
|
verify.WithName("verify");
|
|
verify.WithDescription("Finishes the registration process for the Mare Synchronos server of this Discord");
|
|
|
|
try
|
|
{
|
|
await discordClient.CreateGlobalApplicationCommandAsync(register.Build());
|
|
await discordClient.CreateGlobalApplicationCommandAsync(verify.Build());
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
logger.LogError(ex, "Failed to create command");
|
|
}
|
|
}
|
|
|
|
private Task Log(LogMessage msg)
|
|
{
|
|
logger.LogInformation(msg.ToString());
|
|
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
public async Task StartAsync(CancellationToken cancellationToken)
|
|
{
|
|
if (!string.IsNullOrEmpty(authToken))
|
|
{
|
|
authToken = configuration.GetValue<string>("DiscordBotToken");
|
|
|
|
await discordClient.LoginAsync(TokenType.Bot, authToken);
|
|
await discordClient.StartAsync();
|
|
|
|
discordClient.Ready += DiscordClient_Ready;
|
|
discordClient.SlashCommandExecuted += DiscordClient_SlashCommandExecuted;
|
|
discordClient.ModalSubmitted += DiscordClient_ModalSubmitted;
|
|
discordClient.Disconnected += DiscordClient_Disconnected;
|
|
|
|
_timer = new Timer(UpdateStatus, null, TimeSpan.Zero, TimeSpan.FromSeconds(15));
|
|
}
|
|
}
|
|
|
|
private async Task DiscordClient_Disconnected(Exception arg)
|
|
{
|
|
authToken = configuration.GetValue<string>("DiscordBotToken");
|
|
|
|
await discordClient.LoginAsync(TokenType.Bot, authToken);
|
|
await discordClient.StartAsync();
|
|
}
|
|
|
|
private void UpdateStatus(object state)
|
|
{
|
|
using var scope = services.CreateScope();
|
|
var db = scope.ServiceProvider.GetService<MareDbContext>();
|
|
|
|
var users = db.Users.Count(c => c.CharacterIdentification != null);
|
|
|
|
discordClient.SetActivityAsync(new Game("Mare for " + users + " Users"));
|
|
}
|
|
|
|
public async Task StopAsync(CancellationToken cancellationToken)
|
|
{
|
|
_timer?.Change(Timeout.Infinite, 0);
|
|
|
|
await discordClient.LogoutAsync();
|
|
await discordClient.StopAsync();
|
|
}
|
|
}
|
|
}
|