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Moderation.cs
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Moderation.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using Valkyrja.core;
using Valkyrja.entities;
using Discord;
using Discord.Net;
using Discord.Rest;
using Discord.WebSocket;
using guid = System.UInt64;
namespace Valkyrja.modules
{
public class Moderation: IModule
{
private const int BanReasonLimit = 512;
private const string ErrorUnknownString = "Unknown error, please poke <@{0}> to take a look x_x";
private const string ErrorPermissionsString = "I don't have necessary permissions.";
private const string BanPmString = "Hello!\nI regret to inform you, that you have been **banned {0} on the {1} server** for the following reason:\n{2}";
private const string BanNotFoundString = "I couldn't find them :(";
private const string NotFoundString = "User not found.";
private const string NotFoundChannelString = "Channel not found.";
private const string UnbanConfirmString = "I've unbanned {0}... ó_ò";
private const string KickArgsString = "I'm supposed to shoot... who?\n";
private const string KickNotFoundString = "I couldn't find them :(";
private const string KickPmString = "Hello!\nYou have been kicked out of the **{0} server** by its Moderators for the following reason:\n{1}";
private const string WarningNotFoundString = "I couldn't find them :(";
private const string WarningPmString = "Hello!\nYou have been issued a formal **warning** by the Moderators of the **{0} server** for the following reason:\n{1}";
private const string MuteChannelConfirmString = "Silence!! ò_ó";
private const string UnmuteConfirmString = "Speak {0}!";
private const string UnmuteChannelConfirmString = "You may speak now.";
private const string MuteNotFoundString = "And who would you like me to ~~kill~~ _silence_?";
private const string InvalidArgumentsString = "Invalid arguments.\n";
private const string BanReasonTooLongString = "Mute, Kick & Ban reason has 512 characters limit.\n";
private const string RoleNotFoundString = "The Muted role is not configured - head to <https://valkyrja.app/config>";
private ValkyrjaClient Client;
private guid JustBannedId = 0;
public Func<Exception, string, guid, Task> HandleException{ get; set; }
public bool DoUpdate{ get; set; } = true;
public List<Command> Init(IValkyrjaClient iClient)
{
this.Client = iClient as ValkyrjaClient;
List<Command> commands = new List<Command>();
this.Client.Events.AddBan += AddBan;
this.Client.Events.BanUser += Ban;
this.Client.Events.BanUsers += Ban;
this.Client.Events.UnBanUsers += UnBan;
this.Client.Events.MuteUser += Mute;
this.Client.Events.MuteUsers += Mute;
this.Client.Events.UnMuteUsers += UnMute;
this.Client.Events.UserJoined += OnUserJoined;
// !clear
Command newCommand = new Command("clear");
newCommand.Type = CommandType.Operation;
newCommand.Description = "Deletes specified amount of messages (within two weeks.) If you mention someone as well, it will remove only their messages.";
newCommand.ManPage = new ManPage("<n> [@users]", "`<n>` - The amount of messages to be deleted.\n\n`[@users]` - Optional argument specifying that only messages from these @users will be deleted. User mention(s) or ID(s)");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator | PermissionType.SubModerator;
newCommand.OnExecute += async e => {
if( !e.Server.Guild.CurrentUser.GuildPermissions.ManageMessages )
{
await e.SendReplySafe(ErrorPermissionsString);
return;
}
int n = 0;
RestUserMessage msg = null;
List<guid> userIDs = this.Client.GetMentionedUserIds(e, false);
if( e.Command.Id != "nuke" && (e.MessageArgs == null || e.MessageArgs.Length < 1 || !int.TryParse(e.MessageArgs[0], out n)) )
{
await e.SendReplySafe("Please tell me how many messages should I delete!");
return;
}
Regex regex = null;
bool clearRegex = e.Command.Id.ToLower() == "clearregex";
if( clearRegex && e.MessageArgs.Length < 2 )
{
await e.SendReplySafe("Too few parameters.");
return;
}
if( clearRegex )
regex = new Regex($"({e.MessageArgs[1]})", RegexOptions.Compiled | RegexOptions.IgnoreCase, TimeSpan.FromMilliseconds(100));
bool clearLinks = e.Command.Id.ToLower() == "clearlinks";
int expectedArgsWithoutMentions = e.Command.Id == "nuke" ? 0 : clearRegex ? 2 : 1;
if( e.MessageArgs != null && userIDs.Count < e.MessageArgs.Length - expectedArgsWithoutMentions )
{
await e.Message.Channel.SendMessageSafe("I can see that you're trying to use more parameters, but I did not find any IDs or mentions.");
return;
}
if( e.Command.Id == "nuke" )
{
n = int.MaxValue - 1;
if( userIDs.Count > 0 )
msg = await e.Message.Channel.SendMessageAsync("Deleting all the messages by specified users.");
else
msg = await e.Message.Channel.SendMessageAsync("Nuking the channel, I'll tell you when I'm done (large channels may take up to half an hour...)");
}
else if( userIDs.Count > 0 )
{
msg = await e.Message.Channel.SendMessageAsync($"Deleting {n.ToString()} messages by specified users.");
}
else
msg = await e.Message.Channel.SendMessageAsync($"Deleting {(clearLinks ? "attachments and embeds in the last " : clearRegex ? "regular expression matches in the last " : "")} {n.ToString()} message{(n == 1 ? "" : "s")}.");
int userCount = userIDs.Count();
guid lastMessageId = e.Message.Id;
bool failed = false;
bool IsWithinTwoWeeks(IMessage m)
{
if( m == null )
return false;
if( DateTime.UtcNow - Utils.GetTimeFromId(m.Id) < TimeSpan.FromDays(13.9f) )
return true;
return false;
}
bool IsAuthorSpecific(IMessage m)
{
return userCount == 0 || (m?.Author != null && userIDs.Contains(m.Author.Id));
}
List<guid> idsToDelete = new List<guid>();
bool canceled = await e.Operation.While(() => n > 0, async () => {
IMessage[] messages = null;
try
{
//Avoid using IAsyncEnumerator the way it's supposed to as a means to solve magic download failures.
IEnumerable<IMessage> batch = await e.Message.Channel.GetMessagesAsync(lastMessageId-1, Direction.Before, 100, CacheMode.AllowDownload).FlattenAsync();
if( batch == null || !batch.Any() )
return true;
lastMessageId = batch.OrderBy(m => m.Id).First().Id;
messages = batch.ToArray();
}
catch( HttpException exception )
{
if( await e.Server.HandleHttpException(exception, $"`{e.CommandId}` in <#{e.Channel.Id}>") )
{
n = 0;
failed = true;
return true;
}
}
catch( Exception exception )
{
await this.Client.LogException(exception, e);
n = 0;
failed = true;
return true;
}
List<guid> ids = null;
if( messages == null || messages.Length == 0 ||
(clearLinks && !(ids = messages.TakeWhile(IsWithinTwoWeeks).Where(IsAuthorSpecific).Where(m => (m.Attachments != null && m.Attachments.Any()) || (m.Embeds != null && m.Embeds.Any())).Select(m => m.Id).ToList()).Any()) ||
(clearRegex && !(ids = messages.TakeWhile(IsWithinTwoWeeks).Where(IsAuthorSpecific).Where(m => (!string.IsNullOrEmpty(m.Content) && regex.IsMatch(m.Content)) || (m.Embeds != null && m.Embeds.Any(em => regex.IsMatch(em.Title ?? "") || regex.IsMatch(em.Description ?? "") || regex.IsMatch(em.Author?.Name ?? "") || (em.Fields != null && em.Fields.Any(f => regex.IsMatch(f.Name ?? "") || regex.IsMatch(f.Value ?? "")))))).Select(m => m.Id).ToList()).Any()) ||
(!clearLinks && !clearRegex && !(ids = messages.TakeWhile(IsWithinTwoWeeks).Where(IsAuthorSpecific).Select(m => m.Id).ToList()).Any()) )
{
n = 0;
return true;
}
if( ids.Count > n )
ids = ids.Take(n).ToList();
idsToDelete.AddRange(ids);
n -= ids.Count;
if( !IsWithinTwoWeeks(messages.Last()) )
n = 0;
return false;
});
if( canceled )
{
await e.SendReplySafe($"The command `{e.CommandId}` was cancelled.");
return;
}
if( !this.Client.ClearedMessageIDs.ContainsKey(e.Server.Id) )
this.Client.ClearedMessageIDs.Add(e.Server.Id, new List<guid>());
this.Client.ClearedMessageIDs[e.Server.Id].AddRange(idsToDelete);
this.Client.Monitoring.MsgsDeleted.Inc(idsToDelete.Count);
int i = 0;
guid[] chunk = new guid[100];
guid[] idsToDeleteArray = idsToDelete.ToArray();
canceled = await e.Operation.While(() => i < (idsToDeleteArray.Length + 99) / 100, async () => {
try
{
if( idsToDeleteArray.Length <= 100 )
await e.Channel.DeleteMessagesAsync(idsToDeleteArray);
else
{
int chunkSize = idsToDeleteArray.Length - (100 * i);
Array.Copy(idsToDeleteArray, i * 100, chunk, 0, Math.Min(chunkSize, 100));
if( chunkSize < 100 )
Array.Resize(ref chunk, chunkSize);
await e.Channel.DeleteMessagesAsync(chunk);
}
i++;
}
catch( Discord.Net.HttpException exception )
{
if( await e.Server.HandleHttpException(exception, $"Failed command `{e.CommandId}` in <#{e.Channel.Id}>") )
return true;
}
catch( Exception exception )
{
await this.Client.LogException(exception, e);
return true;
}
return false;
});
if( clearRegex && !idsToDelete.Any() )
{
await msg.ModifyAsync(m => m.Content = $"~~{msg.Content}~~\n\nNothing matched that regex.");
}
if( canceled )
return;
try
{
if( failed )
await msg.ModifyAsync(m => m.Content = "There was an error while downloading messages. You can try again, but make sure the permissions are correct.");
else
{
if( !e.Message.Deleted )
await e.Message.DeleteAsync();
await msg.ModifyAsync(m => m.Content = $"~~{msg.Content}~~\n\nDone! _(This message will self-destruct in 10 seconds.)_");
await Task.Delay(TimeSpan.FromSeconds(10f));
await msg.ModifyAsync(m => m.Content = "BOOM!!");
await Task.Delay(TimeSpan.FromSeconds(2f));
await msg.DeleteAsync();
}
}
catch( HttpException ex )
{
await e.Server.HandleHttpException(ex, $"Failed to send or delete a message in <#{e.Channel.Id}>");
}
catch( Exception ex )
{
await this.HandleException(ex, "clear cmd - failed to send or delete a message", e.Server.Id);
}
};
commands.Add(newCommand);
newCommand = newCommand.CreateCopy("clearLinks");
newCommand.Description = "Delete only messages that contain attachments (images, video, files, ...) or embeds including automated link embeds.";
newCommand.ManPage = new ManPage("<n> [@users]", "`<n>` - The amount of messages to be deleted.\n\n`[@users]` - Optional argument specifying that only messages from these @users will be deleted. User mention(s) or ID(s)");
commands.Add(newCommand);
newCommand = newCommand.CreateCopy("clearRegex");
newCommand.Description = "Delete only messages that match a regular expression within the last `n` messages.";
newCommand.ManPage = new ManPage("<n> <regex> [@users]", "`<n>` - The amount of messages to be deleted.\n\n`<regex>` - Regular expression based on which only the matching messages will be deleted. Do not use any whitespace in it, you can use `\\s` instead. (Note - ignores case.)\n\n`[@users]` - Optional argument specifying that only messages from these @users will be deleted. User mention(s) or ID(s)");
commands.Add(newCommand);
newCommand = newCommand.CreateCopy("nuke");
newCommand.Description = "Nuke the whole channel. You can also mention a user to delete all of their messages. (Within the last two weeks.)";
newCommand.ManPage = new ManPage("[@users]", "`[@users]` - Optional argument specifying that only messages from these @users will be deleted. User mention(s) or ID(s)");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin;
commands.Add(newCommand);
// !op
newCommand = new Command("op");
newCommand.Type = CommandType.Standard;
newCommand.Description = "_op_ yourself to be able to use `mute`, `kick` or `ban` commands. (Only if configured at <https://valkyrja.app/config>)";
newCommand.ManPage = new ManPage("", "");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator | PermissionType.SubModerator;
newCommand.OnExecute += async e => {
SocketRole role = e.Server.Guild.GetRole(e.Server.Config.OperatorRoleId);
if( role == null )
{
await e.SendReplySafe(string.Format("I'm really sorry, buuut `{0}op` feature is not configured! Poke your admin to set it up at <https://valkyrja.app/config>", e.Server.Config.CommandPrefix));
return;
}
if( !e.Server.Guild.CurrentUser.GuildPermissions.ManageRoles )
{
await e.SendReplySafe(ErrorPermissionsString);
return;
}
string response = "";
try
{
SocketGuildUser user = e.Message.Author as SocketGuildUser;
if( user.Roles.Any(r => r.Id == e.Server.Config.OperatorRoleId) )
{
await user.RemoveRoleAsync(role);
response = e.Server.Localisation.GetString("moderation_op_disabled");
}
else
{
await user.AddRoleAsync(role);
response = e.Server.Localisation.GetString("moderation_op_enabled");
}
} catch(HttpException exception)
{
await e.Server.HandleHttpException(exception, $"This happened in <#{e.Channel.Id}> when executing command `{e.CommandId}`");
response = Utils.HandleHttpException(exception);
} catch(Exception exception)
{
await this.Client.LogException(exception, e);
response = $"Unknown error, please poke <@{this.Client.GlobalConfig.AdminUserId}> to take a look x_x";
}
await e.SendReplySafe(response);
};
commands.Add(newCommand);
// !mute
newCommand = new Command("mute");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Temporarily mute mentioned members from the chat.";
newCommand.ManPage = new ManPage("<@users> <duration> [warning reason]", "`<@users>` - User ID(s) or mention(s) to be muted.\n\n`<duration>` - Duration with the `h` & `m` specifiers, for example `1h30m`.\n\n`[warning reason]` - An optional warning message to be recorded and PMed to the user.");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator | PermissionType.SubModerator;
newCommand.OnExecute += async e => {
if( !e.Server.Guild.CurrentUser.GuildPermissions.ManageRoles )
{
await e.SendReplySafe(ErrorPermissionsString);
return;
}
IRole role = e.Server.Guild.GetRole(e.Server.Config.MuteRoleId);
if( role == null )
{
await e.SendReplySafe(RoleNotFoundString);
return;
}
if( e.MessageArgs == null || e.MessageArgs.Length < 2 )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
return;
}
SocketRole roleOp = e.Server.Guild.GetRole(e.Server.Config.OperatorRoleId);
if( e.Server.Config.OperatorEnforce && roleOp != null && (e.Message.Author as SocketGuildUser).Roles.All(r => r.Id != roleOp.Id) &&
!this.Client.IsGlobalAdmin(e.Message.Author.Id) )
{
await e.SendReplySafe(e.Server.Localisation.GetString("moderation_op_missing", e.Server.Config.CommandPrefix));
return;
}
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
List<UserData> mentionedUsers = this.Client.GetMentionedUsersData(dbContext, e);
if( mentionedUsers.Count == 0 )
{
await e.SendReplySafe(BanNotFoundString);
dbContext.Dispose();
return;
}
StringBuilder warning = new StringBuilder();
for(int i = mentionedUsers.Count + 1; i < e.MessageArgs.Length; i++)
{
warning.Append(e.MessageArgs[i]);
warning.Append(" ");
}
if( warning.Length >= BanReasonLimit )
{
await e.SendReplySafe(BanReasonTooLongString);
dbContext.Dispose();
return;
}
TimeSpan? duration = Utils.GetTimespanFromString(e.MessageArgs[mentionedUsers.Count]);
if( int.TryParse(e.MessageArgs[mentionedUsers.Count], out int muteDurationMinutes) )
duration = TimeSpan.FromMinutes(muteDurationMinutes);
if( duration == null || duration.Value.TotalMinutes <= 0 )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
dbContext.Dispose();
return;
}
string response = "ò_ó";
try
{
response = await Mute(e.Server, mentionedUsers, duration.Value, role, e.Message.Author as SocketGuildUser, warning.ToString());
dbContext.SaveChanges();
} catch(Exception exception)
{
await this.Client.LogException(exception, e);
response = string.Format(ErrorUnknownString, this.Client.GlobalConfig.AdminUserId);
}
dbContext.Dispose();
await e.SendReplySafe(response);
};
commands.Add(newCommand);
// !unmute
newCommand = new Command("unmute");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Unmute previously muted members.";
newCommand.ManPage = new ManPage("<@users>", "`<@users>` - User ID(s) or mention(s) to be unmuted.");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator | PermissionType.SubModerator;
newCommand.OnExecute += async e => {
if( !e.Server.Guild.CurrentUser.GuildPermissions.ManageRoles )
{
await e.SendReplySafe(ErrorPermissionsString);
return;
}
IRole role = e.Server.Guild.GetRole(e.Server.Config.MuteRoleId);
if( role == null || string.IsNullOrEmpty(e.TrimmedMessage) )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
return;
}
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
List<UserData> mentionedUsers = this.Client.GetMentionedUsersData(dbContext, e);
if( mentionedUsers.Count == 0 )
{
await e.SendReplySafe(MuteNotFoundString);
dbContext.Dispose();
return;
}
if( mentionedUsers.Count < e.MessageArgs.Length )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
dbContext.Dispose();
return;
}
string response = "ó_ò";
try
{
response = await UnMute(e.Server, mentionedUsers, role, e.Message.Author as SocketGuildUser);
dbContext.SaveChanges();
} catch(Exception exception)
{
await this.Client.LogException(exception, e);
response = string.Format(ErrorUnknownString, this.Client.GlobalConfig.AdminUserId);
}
dbContext.Dispose();
await e.SendReplySafe(response);
};
commands.Add(newCommand);
// !muteChannel
newCommand = new Command("muteChannel");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Temporarily mute the current channel.";
newCommand.ManPage = new ManPage("<duration>", "`<duration>` - Duration with the `h` & `m` specifiers, for example `1h30m`.");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator;
newCommand.OnExecute += async e => {
SocketRole roleOp = e.Server.Guild.GetRole(e.Server.Config.OperatorRoleId);
if( e.Server.Config.OperatorEnforce && roleOp != null && (e.Message.Author as SocketGuildUser).Roles.All(r => r.Id != roleOp.Id) &&
!this.Client.IsGlobalAdmin(e.Message.Author.Id) )
{
await e.SendReplySafe(e.Server.Localisation.GetString("moderation_op_missing", e.Server.Config.CommandPrefix));
return;
}
string responseString = "Invalid parameters...\n" + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId);
if( e.MessageArgs == null || e.MessageArgs.Length < 1 )
{
await e.SendReplySafe(responseString);
return;
}
TimeSpan? duration = Utils.GetTimespanFromString(e.MessageArgs[0]);
if( int.TryParse(e.MessageArgs[0], out int muteDurationMinutes) )
duration = TimeSpan.FromMinutes(muteDurationMinutes);
if( duration == null || duration.Value.TotalMinutes <= 0 )
{
await e.SendReplySafe(responseString);
return;
}
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
ChannelConfig channel = dbContext.Channels.AsQueryable().FirstOrDefault(c => c.ServerId == e.Server.Id && c.ChannelId == e.Channel.Id);
if( channel == null )
{
channel = new ChannelConfig{
ServerId = e.Server.Id,
ChannelId = e.Channel.Id
};
dbContext.Channels.Add(channel);
}
try
{
responseString = await MuteChannel(channel, duration.Value, e.Message.Author as SocketGuildUser);
dbContext.SaveChanges();
}
catch(Exception exception)
{
await this.Client.LogException(exception, e);
responseString = string.Format(ErrorUnknownString, this.Client.GlobalConfig.AdminUserId);
}
dbContext.Dispose();
await e.SendReplySafe(responseString);
};
commands.Add(newCommand);
// !unmuteChannel
newCommand = new Command("unmuteChannel");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Unmute the current channel.";
newCommand.ManPage = new ManPage("", "");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator;
newCommand.OnExecute += async e => {
string responseString = "";
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
ChannelConfig channel = dbContext.Channels.AsQueryable().FirstOrDefault(c => c.ServerId == e.Server.Id && c.ChannelId == e.Channel.Id);
if( channel == null )
{
channel = new ChannelConfig{
ServerId = e.Server.Id,
ChannelId = e.Channel.Id
};
dbContext.Channels.Add(channel);
}
try
{
responseString = await UnmuteChannel(channel, e.Message.Author as SocketGuildUser);
dbContext.SaveChanges();
}
catch(Exception exception)
{
await this.Client.LogException(exception, e);
responseString = string.Format(ErrorUnknownString, this.Client.GlobalConfig.AdminUserId);
}
dbContext.Dispose();
await e.SendReplySafe(responseString);
};
commands.Add(newCommand);
// !kick
newCommand = new Command("kick");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Kick someone, with a warning message sent to the user.";
newCommand.ManPage = new ManPage("<@users> <warning reason>", "`<@users>` - User ID(s) or mention(s) to be kicked.\n\n`<warning reason>` - A warning message to be recorded and PMed to the user.");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator;
newCommand.OnExecute += async e => {
if( !e.Server.Guild.CurrentUser.GuildPermissions.KickMembers )
{
await e.SendReplySafe(ErrorPermissionsString);
return;
}
SocketRole role = e.Server.Guild.GetRole(e.Server.Config.OperatorRoleId);
if( e.Server.Config.OperatorEnforce && role != null && (e.Message.Author as SocketGuildUser).Roles.All(r => r.Id != role.Id) &&
!this.Client.IsGlobalAdmin(e.Message.Author.Id) )
{
await e.SendReplySafe(e.Server.Localisation.GetString("moderation_op_missing", e.Server.Config.CommandPrefix));
return;
}
if( string.IsNullOrEmpty(e.TrimmedMessage) )
{
await e.SendReplySafe(KickArgsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
return;
}
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
List<UserData> mentionedUsers = this.Client.GetMentionedUsersData(dbContext, e);
if( mentionedUsers.Count == 0 )
{
await e.SendReplySafe(KickNotFoundString);
dbContext.Dispose();
return;
}
if( mentionedUsers.Count +1 > e.MessageArgs.Length )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
dbContext.Dispose();
return;
}
StringBuilder warning = new StringBuilder();
for(int i = mentionedUsers.Count; i < e.MessageArgs.Length; i++)
{
warning.Append(e.MessageArgs[i]);
warning.Append(" ");
}
if( warning.Length >= BanReasonLimit )
{
await e.SendReplySafe(BanReasonTooLongString);
dbContext.Dispose();
return;
}
string response = "";
List<string> usernames = new List<string>();
StringBuilder infractions = new StringBuilder();
try
{
foreach( UserData userData in mentionedUsers )
{
IGuildUser user = e.Server.Guild.GetUser(userData.UserId);
if( user == null )
{
user = await this.Client.DiscordClient.Rest.GetGuildUserAsync(e.Server.Id, userData.UserId);
}
if( user == null )
continue;
await this.Client.SendPmSafe(user, string.Format(KickPmString, e.Server.Guild.Name, warning.ToString()));
await Task.Delay(300);
if( this.Client.Events.LogKick != null ) // This is in "wrong" order to prevent false positive "user left" logging.
await this.Client.Events.LogKick(e.Server, user?.GetUsername(), userData.UserId, warning.ToString(), e.Message.Author as SocketGuildUser);
await user.KickAsync(warning.ToString());
userData.AddWarning(warning.ToString());
usernames.Add(user.GetUsername());
if( userData.WarningCount > 1 && user != null )
infractions.AppendLine(e.Server.Localisation.GetString("moderation_nth_infraction", user.GetUsername(), userData.WarningCount));
}
} catch(HttpException exception)
{
await e.Server.HandleHttpException(exception, $"This happened in <#{e.Channel.Id}> when executing command `{e.CommandId}`");
response = Utils.HandleHttpException(exception);
} catch(Exception exception)
{
await this.Client.LogException(exception, e);
response = $"Unknown error, please poke <@{this.Client.GlobalConfig.AdminUserId}> to take a look x_x";
}
if( !usernames.Any() )
{
response = "I wasn't able to shoot anyone.";
}
else if( string.IsNullOrEmpty(response) )
{
response = e.Server.Localisation.GetString("moderation_kick_done", usernames.ToNames()) + "\n" + infractions.ToString();
dbContext.SaveChanges();
}
dbContext.Dispose();
await e.SendReplySafe(response);
};
commands.Add(newCommand);
// !ban
newCommand = new Command("ban");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Ban someone permanently or temporarily, with a warning message sent to the user.";
newCommand.ManPage = new ManPage("<UserIDs> <duration> <warning reason>", "`<UserIDs>` - User ID(s) to be banned.\n\n`<duration>` - Duration with the `d` & `h` specifiers, for example `1d12h`. Use `0` for permanent.\n\n`<warning reason>` - An optional warning message to be recorded and PMed to the user.");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator;
newCommand.OnExecute += async e => {
if( e.MessageArgs == null || e.MessageArgs.Length < 2 )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
return;
}
if( !e.Server.Guild.CurrentUser.GuildPermissions.BanMembers )
{
await e.SendReplySafe(ErrorPermissionsString);
return;
}
SocketRole role = e.Server.Guild.GetRole(e.Server.Config.OperatorRoleId);
if( e.Server.Config.OperatorEnforce && role != null && ((e.Message.Author as SocketGuildUser)?.Roles.All(r => r.Id != role.Id) ?? false) &&
!this.Client.IsGlobalAdmin(e.Message.Author.Id) )
{
await e.SendReplySafe(e.Server.Localisation.GetString("moderation_op_missing", e.Server.Config.CommandPrefix));
return;
}
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
List<UserData> mentionedUsers = this.Client.GetMentionedUsersData(dbContext, e);
if( mentionedUsers.Count == 0 )
{
await e.SendReplySafe(BanNotFoundString);
dbContext.Dispose();
return;
}
int argOffset = string.IsNullOrWhiteSpace(e.Server.Config.BanDuration) ? 1 : 0;
if( e.MessageArgs.Length < mentionedUsers.Count + 1 + argOffset )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
dbContext.Dispose();
return;
}
TimeSpan? duration = Utils.GetTimespanFromString(e.MessageArgs[mentionedUsers.Count]);
if( duration == null && int.TryParse(e.MessageArgs[mentionedUsers.Count], out int banDurationHours) )
duration = TimeSpan.FromHours(banDurationHours);
argOffset = string.IsNullOrWhiteSpace(e.Server.Config.BanDuration) || duration != null ? 1 : 0;
if( duration == null )
duration = Utils.GetTimespanFromString(e.Server.Config.BanDuration);
if( duration == null )
{
if( string.IsNullOrWhiteSpace(e.Server.Config.BanDuration) )
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
else
await e.SendReplySafe("Default ban duration is in invalid format. Pls fix.");
dbContext.Dispose();
return;
}
StringBuilder warning = new StringBuilder();
for(int i = mentionedUsers.Count + argOffset; i < e.MessageArgs.Length; i++)
{
warning.Append(e.MessageArgs[i]);
warning.Append(" ");
}
string response = "ò_ó";
if( warning.Length >= BanReasonLimit )
{
await e.SendReplySafe(BanReasonTooLongString);
dbContext.Dispose();
return;
}
try
{
response = await Ban(e.Server, mentionedUsers, duration.Value, warning.ToString(), e.Message.Author as SocketGuildUser,
e.Command.Id.ToLower() == "silentban", e.Command.Id.ToLower() == "purgeban", e.Command.Id.ToLower() == "redactedban");
dbContext.SaveChanges();
} catch(Exception exception)
{
await this.Client.LogException(exception, e);
response = string.Format(ErrorUnknownString, this.Client.GlobalConfig.AdminUserId);
}
dbContext.Dispose();
await e.SendReplySafe(response);
};
commands.Add(newCommand);
newCommand = newCommand.CreateCopy("silentBan");
newCommand.Description = "Ban someone where the warning message will not be sent to the user (hence silent.)";
commands.Add(newCommand);
newCommand = newCommand.CreateCopy("purgeBan");
newCommand.Description = "Ban someone just like the usual, but also delete all of their messages within the last 24 hours.";
commands.Add(newCommand);
newCommand = newCommand.CreateCopy("redactedBan");
newCommand.Description = "Ban someone just like the usual, but do not log their user ID or #discrim.";
commands.Add(newCommand);
// !quickBan
newCommand = new Command("quickBan");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Quickly ban someone using pre-configured reason and duration, it also removes their messages. (This command has to be first configured via `config` or <https://valkyrja.app/config>.)";
newCommand.ManPage = new ManPage("<UserIDs>", "`<UserIDs>` - User ID(s) or mention(s) to be banned.");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator;
newCommand.OnExecute += async e => {
if( string.IsNullOrEmpty(e.TrimmedMessage) )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
return;
}
if( string.IsNullOrEmpty(e.Server.Config.QuickbanReason) )
{
await e.SendReplySafe("This command has to be first configured via `config` or <https://valkyrja.app/config>.");
return;
}
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
List<UserData> mentionedUsers = this.Client.GetMentionedUsersData(dbContext, e);
if( mentionedUsers.Count == 0 )
{
await e.SendReplySafe(BanNotFoundString);
dbContext.Dispose();
return;
}
if( mentionedUsers.Count < e.MessageArgs.Length )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
dbContext.Dispose();
return;
}
string response = "ò_ó";
try
{
response = await Ban(e.Server, mentionedUsers, TimeSpan.FromHours(e.Server.Config.QuickbanDuration), e.Server.Config.QuickbanReason, e.Message.Author as SocketGuildUser, false, true, false);
dbContext.SaveChanges();
} catch(Exception exception)
{
await this.Client.LogException(exception, e);
response = string.Format(ErrorUnknownString, this.Client.GlobalConfig.AdminUserId);
}
dbContext.Dispose();
await e.SendReplySafe(response);
};
commands.Add(newCommand);
// !unBan
newCommand = new Command("unBan");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Unban people. You may need to use the ID instead of a mention, since they're not on the server and you can't mention them!";
newCommand.ManPage = new ManPage("<UserIDs>", "`<UserIDs>` - User ID(s) to be unbanned.");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator;
newCommand.OnExecute += async e => {
if( string.IsNullOrEmpty(e.TrimmedMessage) )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
return;
}
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
List<UserData> mentionedUsers = this.Client.GetMentionedUsersData(dbContext, e);
if( mentionedUsers.Count == 0 )
{
await e.SendReplySafe(BanNotFoundString);
dbContext.Dispose();
return;
}
if( mentionedUsers.Count < e.MessageArgs.Length )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
dbContext.Dispose();
return;
}
string response = "ó_ò";
try
{
response = await UnBan(e.Server, mentionedUsers, e.Message.Author as SocketGuildUser);
dbContext.SaveChanges();
} catch(Exception exception)
{
await this.Client.LogException(exception, e);
response = string.Format(ErrorUnknownString, this.Client.GlobalConfig.AdminUserId);
}
dbContext.Dispose();
await e.SendReplySafe(response);
};
commands.Add(newCommand);
// !addWarning
newCommand = new Command("addWarning");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Adds a warning note to the database for a specific user.";
newCommand.ManPage = new ManPage("<UserIDs> <warning>", "`<UserIDs>` - User ID(s) or mention(s) to have a warning recorded.\n\n`<warning>` - A warning message to be recorded.");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator | PermissionType.SubModerator;
newCommand.OnExecute += async e => {
if( string.IsNullOrEmpty(e.TrimmedMessage) )
{
await e.SendReplySafe("Give a warning to whom?\n" + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
return;
}
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
List<UserData> mentionedUsers = this.Client.GetMentionedUsersData(dbContext, e);
if( mentionedUsers.Count == 0 )
{
await e.SendReplySafe(WarningNotFoundString);
dbContext.Dispose();
return;
}
if( mentionedUsers.Count + 1 > e.MessageArgs.Length )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
dbContext.Dispose();
return;
}
StringBuilder warning = new StringBuilder();
for(int i = mentionedUsers.Count; i < e.MessageArgs.Length; i++)
{
warning.Append(e.MessageArgs[i]);
warning.Append(" ");
}
bool sendMessage = e.Command.Id.ToLower() == "issuewarning";
List<UserData> failedToPmUsers = new List<UserData>();
List<string> userNames = new List<string>();
List<guid> userIds = new List<guid>();
StringBuilder infractions = new StringBuilder();
foreach(UserData userData in mentionedUsers)
{
IGuildUser user = e.Server.Guild.GetUser(userData.UserId);
if( user == null )
{
user = await this.Client.DiscordClient.Rest.GetGuildUserAsync(e.Server.Id, userData.UserId);
}
userNames.Add(user?.GetUsername() ?? "<unknown>");
userIds.Add(userData.UserId);
userData.AddWarning(warning.ToString());
if( userData.WarningCount > 1 && user != null )
infractions.AppendLine(e.Server.Localisation.GetString("moderation_nth_infraction", user.GetUsername(), userData.WarningCount));
if( sendMessage )
{
if( user == null || PmErrorCode.Success != await this.Client.SendPmSafe(user, string.Format(WarningPmString, e.Server.Guild.Name, warning.ToString())) )
failedToPmUsers.Add(userData);
}
}
if( this.Client.Events.LogWarning != null )
await this.Client.Events.LogWarning(e.Server, userNames, userIds, warning.ToString(), e.Message.Author as SocketGuildUser);
string response = "Done.\n" + infractions.ToString();
if( failedToPmUsers.Any() )
response = "Failed to PM " + failedToPmUsers.Select(u => u.UserId).ToMentions();
dbContext.SaveChanges();
dbContext.Dispose();
await e.SendReplySafe(response);
};
commands.Add(newCommand);
newCommand = newCommand.CreateCopy("issueWarning");
newCommand.Description = "Adds a warning note to the database, and also PMs it to the user.";
newCommand.Description = "Use with parameters `@user warning` where `@user` = user mention or id, you can add the same warning to multiple people, just mention them all; `warning` = worded description, a warning message to store in the database. This will also be PMed to the user.";
newCommand.ManPage = new ManPage("<UserIDs> <warning>", "`<UserIDs>` - User ID(s) or mention(s) to have a warning recorded.\n\n`<warning>` - A warning message to be recorded and PMed to the user.");
commands.Add(newCommand);
// !removeWarning
newCommand = new Command("removeWarning");
newCommand.Type = CommandType.Standard;
newCommand.Description = "Removes the last recorded warning from a specific user(s).";
newCommand.ManPage = new ManPage("<UserIDs>", "`<UserIDs>` - User ID(s) or mention(s) to have a warning recorded.");
newCommand.RequiredPermissions = PermissionType.ServerOwner | PermissionType.Admin | PermissionType.Moderator | PermissionType.SubModerator;
newCommand.OnExecute += async e => {
if( string.IsNullOrEmpty(e.TrimmedMessage) )
{
await e.SendReplySafe("Remove warning from whom?\n" + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
return;
}
ServerContext dbContext = ServerContext.Create(this.Client.DbConnectionString);
List<UserData> mentionedUsers = this.Client.GetMentionedUsersData(dbContext, e);
if( mentionedUsers.Count == 0 )
{
await e.SendReplySafe(WarningNotFoundString);
dbContext.Dispose();
return;
}
if( mentionedUsers.Count < e.MessageArgs.Length )
{
await e.SendReplySafe(InvalidArgumentsString + e.Command.ManPage.ToString(e.Server.Config.CommandPrefix+e.CommandId));
dbContext.Dispose();
return;
}
bool allWarnings = e.Command.Id.ToLower() == "removeallwarnings";
bool modified = false;