94 lines
4.4 KiB
C#
94 lines
4.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using Discord;
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using Discord.Commands;
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using NadekoBot.Classes.Permissions;
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using NadekoBot.Modules;
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using ServerPermissions = NadekoBot.Classes.Permissions.ServerPermissions;
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namespace NadekoBot.Commands {
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internal class FilterInvitesCommand : DiscordCommand {
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private readonly Regex filterRegex = new Regex(@"(?:discord(?:\.gg|app\.com\/invite)\/(?<id>([\w]{16}|(?:[\w]+-?){3})))");
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public FilterInvitesCommand(DiscordModule module) : base(module) {
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NadekoBot.Client.MessageReceived += async (sender, args) => {
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try {
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ServerPermissions serverPerms;
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if (!IsChannelOrServerFiltering(args.Channel, out serverPerms)) return;
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if (filterRegex.IsMatch(args.Message.RawText)) {
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await args.Message.Delete();
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if (serverPerms.Verbose)
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await args.Channel.SendMessage($"{args.User.Mention} Invite links are not allowed on this channel.");
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}
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} catch { }
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};
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}
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private static bool IsChannelOrServerFiltering(Channel channel, out ServerPermissions serverPerms) {
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if (!PermissionsHandler.PermissionsDict.TryGetValue(channel.Server.Id, out serverPerms)) return false;
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if (serverPerms.Permissions.FilterInvites)
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return true;
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Permissions perms;
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return serverPerms.ChannelPermissions.TryGetValue(channel.Id, out perms) && perms.FilterInvites;
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}
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internal override void Init(CommandGroupBuilder cgb) {
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cgb.CreateCommand(Module.Prefix + "cfi")
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.Alias(Module.Prefix + "channelfilterinvites")
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.Description("Enables or disables automatic deleting of invites on the channel." +
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"If no channel supplied, it will default to current one. Use ALL to apply to all existing channels at once." +
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"\n**Usage**: ;cfi enable #general-chat")
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.Parameter("bool")
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.Parameter("channel", ParameterType.Optional)
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.Do(async e => {
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try {
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var state = PermissionHelper.ValidateBool(e.GetArg("bool"));
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var chanStr = e.GetArg("channel");
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if (chanStr?.ToLowerInvariant().Trim() != "all") {
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var chan = string.IsNullOrWhiteSpace(chanStr)
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? e.Channel
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: PermissionHelper.ValidateChannel(e.Server, chanStr);
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PermissionsHandler.SetChannelFilterInvitesPermission(chan, state);
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await e.Channel.SendMessage($"Invite Filter has been **{(state ? "enabled" : "disabled")}** for **{chan.Name}** channel.");
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return;
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}
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//all channels
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foreach (var curChannel in e.Server.TextChannels) {
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PermissionsHandler.SetChannelFilterInvitesPermission(curChannel, state);
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}
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await e.Channel.SendMessage($"Invite Filter has been **{(state ? "enabled" : "disabled")}** for **ALL** channels.");
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} catch (Exception ex) {
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await e.Channel.SendMessage($"💢 Error: {ex.Message}");
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}
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});
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cgb.CreateCommand(Module.Prefix + "sfi")
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.Alias(Module.Prefix + "serverfilterinvites")
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.Description("Enables or disables automatic deleting of invites on the server.\n**Usage**: ;sfi disable")
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.Parameter("bool")
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.Do(async e => {
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try {
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var state = PermissionHelper.ValidateBool(e.GetArg("bool"));
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PermissionsHandler.SetServerFilterInvitesPermission(e.Server, state);
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await e.Channel.SendMessage($"Invite Filter has been **{(state ? "enabled" : "disabled")}** for this server.");
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} catch (Exception ex) {
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await e.Channel.SendMessage($"💢 Error: {ex.Message}");
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}
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});
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}
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}
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}
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