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ModTools configuration redone

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Defining config for ModTools now is similar to that of other features.

Additionally, merged the Ban and Kick commands into a single file,
and it no longer scans itself for attribute data on load.
This commit is contained in:
Noikoio 2017-10-09 11:54:12 -07:00
parent 4a59e07c6c
commit 3f376605f2
8 changed files with 125 additions and 240 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

65
Feature/ModTools/CommandBase.cs
View file

@ -1,8 +1,11 @@
using Discord.WebSocket;
using Newtonsoft.Json.Linq;
using Noikoio.RegexBot.ConfigItem;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Reflection;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
@ -11,24 +14,17 @@ namespace Noikoio.RegexBot.Feature.ModTools
[DebuggerDisplay("{Label}-type command")]
abstract class CommandBase
{
private readonly CommandListener _modtools;
private readonly ModTools _modtools;
private readonly string _label;
private readonly string _command;
public static readonly Regex UserMention = new Regex(@"<@!?(?<snowflake>\d+)>", RegexOptions.Compiled);
public static readonly Regex RoleMention = new Regex(@"<@&(?<snowflake>\d+)>", RegexOptions.Compiled);
public static readonly Regex ChannelMention = new Regex(@"<#(?<snowflake>\d+)>", RegexOptions.Compiled);
public static readonly Regex EmojiMatch = new Regex(@"<:(?<name>[A-Za-z0-9_]{2,}):(?<ID>\d+)>", RegexOptions.Compiled);
public string Label => _label;
public string Command => _command;
protected CommandBase(CommandListener l, JObject conf)
protected CommandBase(ModTools l, string label, JObject conf)
{
_modtools = l;
_label = conf["label"].Value<string>();
if (string.IsNullOrWhiteSpace(_label))
throw new RuleImportException("Command label is missing.");
_label = label;
_command = conf["command"].Value<string>();
}
@ -38,5 +34,54 @@ namespace Noikoio.RegexBot.Feature.ModTools
{
return _modtools.Log($"{Label}: {text}");
}
#region Config loading
private static readonly ReadOnlyDictionary<string, Type> _commands =
new ReadOnlyDictionary<string, Type>(
new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase)
{
// Define all command types and their corresponding Types here
{ "ban", typeof(Commands.Ban) },
{ "kick", typeof(Commands.Kick) }
});
public static CommandBase CreateInstance(ModTools root, JProperty def)
{
string label = def.Name;
if (string.IsNullOrWhiteSpace(label)) throw new RuleImportException("Label cannot be blank.");
var definition = (JObject)def.Value;
string cmdinvoke = definition["command"].Value<string>();
if (string.IsNullOrWhiteSpace(cmdinvoke))
throw new RuleImportException($"{label}: 'command' value was not specified.");
if (cmdinvoke.Contains(" "))
throw new RuleImportException($"{label}: 'command' must not contain spaces.");
string ctypestr = definition["type"]?.Value<string>();
if (string.IsNullOrWhiteSpace(ctypestr))
throw new RuleImportException($"Value 'type' must be specified in definition for '{label}'.");
Type ctype;
if (!_commands.TryGetValue(ctypestr, out ctype))
throw new RuleImportException($"The given 'type' value is invalid in definition for '{label}'.");
try
{
return (CommandBase)Activator.CreateInstance(ctype, root, label, definition);
}
catch (TargetInvocationException ex)
{
if (ex.InnerException is RuleImportException)
throw new RuleImportException($"Error in configuration for command '{label}': {ex.InnerException.Message}");
else throw;
}
}
#endregion
#region Helper methods and values
protected static readonly Regex UserMention = new Regex(@"<@!?(?<snowflake>\d+)>", RegexOptions.Compiled);
protected static readonly Regex RoleMention = new Regex(@"<@&(?<snowflake>\d+)>", RegexOptions.Compiled);
protected static readonly Regex ChannelMention = new Regex(@"<#(?<snowflake>\d+)>", RegexOptions.Compiled);
protected static readonly Regex EmojiMatch = new Regex(@"<:(?<name>[A-Za-z0-9_]{2,}):(?<ID>\d+)>", RegexOptions.Compiled);
#endregion
}
}

54
Feature/ModTools/CommandTypeAttribute.cs
View file

@ -1,54 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
namespace Noikoio.RegexBot.Feature.ModTools
{
/// <summary>
/// Specifies this class's corresponding value when being defined in configuration
/// under a custom command's "type" value.
/// </summary>
[AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
class CommandTypeAttribute : Attribute
{
readonly string _type;
public string TypeName => _type;
public CommandTypeAttribute(string typeName) => _type = typeName;
private static Dictionary<string, Type> _sTypes;
/// <summary>
/// Translates a command type defined from configuration into a usable
/// <see cref="System.Type"/> deriving from CommandBase.
/// </summary>
internal static Type GetCommandType(string input)
{
if (_sTypes == null)
{
var newtypelist = new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase);
var ctypes = from type in Assembly.GetEntryAssembly().GetTypes()
where typeof(CommandBase).IsAssignableFrom(type)
select type;
foreach (var type in ctypes)
{
var attr = type.GetTypeInfo().GetCustomAttribute<CommandTypeAttribute>();
if (attr == null)
{
#if DEBUG
Console.WriteLine($"{type.FullName} does not define a {nameof(CommandTypeAttribute)}");
#endif
continue;
}
newtypelist.Add(attr.TypeName, type);
}
_sTypes = newtypelist;
}
if (_sTypes.TryGetValue(input, out var cmdtype))
{
return cmdtype;
}
return null;
}
}
}

69
Feature/ModTools/BanCommand.cs → Feature/ModTools/Commands/BanKick.cs
View file

@ -6,26 +6,34 @@ using System;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace Noikoio.RegexBot.Feature.ModTools
namespace Noikoio.RegexBot.Feature.ModTools.Commands
{
[CommandType("ban")]
class BanCommand : CommandBase
class BanKick : CommandBase
{
// Ban and kick commands are highly similar in implementation, and thus are handled in a single class.
protected enum CommandMode { Ban, Kick }
private readonly CommandMode _mode;
private readonly bool _forceReason;
private readonly int _purgeDays;
private readonly string _successMsg;
// Configuration:
// "forcereason" - boolean; Force a reason to be given. Defaults to false.
// "purgedays" - integer; Number of days of target's post history to delete. Must be between 0-7 inclusive.
// Defaults to 0.
public BanCommand(CommandListener l, JObject conf) : base(l, conf)
// "purgedays" - integer; Number of days of target's post history to delete, if banning.
// Must be between 0-7 inclusive. Defaults to 0.
// "successmsg" - Message to display on command success. Overrides default.
protected BanKick(ModTools l, string label, JObject conf, CommandMode mode) : base(l, label, conf)
{
_mode = mode;
_forceReason = conf["forcereason"]?.Value<bool>() ?? false;
_purgeDays = conf["purgedays"]?.Value<int>() ?? 0;
if (_purgeDays > 7 || _purgeDays < 0)
if (_mode == CommandMode.Ban && (_purgeDays > 7 || _purgeDays < 0))
{
throw new RuleImportException("The value of 'purgedays' must be between 0 and 7.");
}
_successMsg = conf["successmsg"]?.Value<string>();
}
// Usage: (command) (mention) (reason)
@ -51,7 +59,7 @@ namespace Noikoio.RegexBot.Feature.ModTools
// No reason given
if (_forceReason)
{
await SendUsageMessage(msg, ":x: **You must specify a ban reason.**");
await SendUsageMessage(msg, ":x: **You must specify a reason.**");
return;
}
}
@ -66,7 +74,7 @@ namespace Noikoio.RegexBot.Feature.ModTools
if (ulong.TryParse(targetstr, out targetuid))
{
targetobj = g.GetUser(targetuid);
targetdisp = (targetobj == null ? $"with ID {targetuid}" : targetobj.ToString());
targetdisp = (targetobj == null ? $"ID {targetuid}" : targetobj.ToString());
}
else
{
@ -74,26 +82,35 @@ namespace Noikoio.RegexBot.Feature.ModTools
return;
}
if (_mode == CommandMode.Kick && targetobj == null)
{
// Can't kick without obtaining the user object
await SendUsageMessage(msg, ":x: **Unable to find the target user.**");
return;
}
try
{
if (reason != null) reason = Uri.EscapeDataString(reason); // TODO remove when fixed in library
await g.AddBanAsync(targetuid, _purgeDays, reason);
await msg.Channel.SendMessageAsync($":white_check_mark: Banned user **{targetdisp}**.");
if (_mode == CommandMode.Ban) await g.AddBanAsync(targetuid, _purgeDays, reason);
else await targetobj.KickAsync(reason);
string resultmsg = BuildSuccessMessage(targetdisp);
await msg.Channel.SendMessageAsync(resultmsg);
}
catch (Discord.Net.HttpException ex)
{
const string err = ":x: **Failed to ban user.** ";
string err = ":x: **Failed to " + (_mode == CommandMode.Ban ? "ban" : "kick") + " user:** ";
if (ex.HttpCode == System.Net.HttpStatusCode.Forbidden)
{
await msg.Channel.SendMessageAsync(err + "I do not have permission to do that action.");
await msg.Channel.SendMessageAsync(err + "I do not have sufficient permissions to do that action.");
}
else if (ex.HttpCode == System.Net.HttpStatusCode.NotFound)
{
await msg.Channel.SendMessageAsync(err + "The target user appears to have left the server.");
await msg.Channel.SendMessageAsync(err + "The target user appears to no longer exist.");
}
else
{
await msg.Channel.SendMessageAsync(err + "An unknown error prevented me from doing that action.");
await msg.Channel.SendMessageAsync(err + "An unknown error occurred. Details have been logged.");
await Log(ex.ToString());
}
}
@ -114,5 +131,27 @@ namespace Noikoio.RegexBot.Feature.ModTools
};
await m.Channel.SendMessageAsync(message ?? "", embed: usageEmbed);
}
private string BuildSuccessMessage(string targetstr)
{
const string defaultmsgBan = ":white_check_mark: Banned user **$target**.";
const string defaultmsgKick = ":white_check_mark: Kicked user **$target**.";
string msg = _successMsg ?? (_mode == CommandMode.Ban ? defaultmsgBan : defaultmsgKick);
return msg.Replace("$target", targetstr);
}
}
class Ban : BanKick
{
public Ban(ModTools l, string label, JObject conf)
: base(l, label, conf, CommandMode.Ban) { }
}
class Kick : BanKick
{
public Kick(ModTools l, string label, JObject conf)
: base(l, label, conf, CommandMode.Kick) { }
}
}

98
Feature/ModTools/KickCommand.cs
View file

@ -1,98 +0,0 @@
using Discord;
using Discord.WebSocket;
using Newtonsoft.Json.Linq;
using System;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace Noikoio.RegexBot.Feature.ModTools
{
[CommandType("kick")]
class KickCommand : CommandBase
{
private readonly bool _forceReason;
// Configuration:
// "forcereason" - boolean; Force a reason to be given. Defaults to false.
public KickCommand(CommandListener l, JObject conf) : base(l, conf)
{
_forceReason = conf["forcereason"]?.Value<bool>() ?? false;
}
public override async Task Invoke(SocketGuild g, SocketMessage msg)
{
string[] line = msg.Content.Split(new char[] { ' ' }, 3, StringSplitOptions.RemoveEmptyEntries);
string targetstr;
string reason = null;
if (line.Length < 2)
{
await SendUsageMessage(msg, null);
return;
}
targetstr = line[1];
if (line.Length == 3) reason = line[2];
if (_forceReason && reason == null)
{
await SendUsageMessage(msg, ":x: **You must specify a kick reason.**");
return;
}
// Getting SocketGuildUser target
Match m = UserMention.Match(targetstr);
if (m.Success) targetstr = m.Groups["snowflake"].Value;
SocketGuildUser targetobj = null;
if (ulong.TryParse(targetstr, out var snowflake))
{
targetobj = g.GetUser(snowflake);
if (targetobj == null)
{
await SendUsageMessage(msg, ":x: **Unable to determine the target user.**");
return;
}
}
else
{
await SendUsageMessage(msg, ":x: **The given target is not valid.**");
return;
}
try
{
if (reason != null) reason = Uri.EscapeDataString(reason); // TODO remove when fixed in library
await targetobj.KickAsync(reason);
await msg.Channel.SendMessageAsync($":white_check_mark: Kicked user **{targetobj.ToString()}**.");
}
catch (Discord.Net.HttpException ex)
{
const string err = ":x: **Failed to kick user.** ";
if (ex.HttpCode == System.Net.HttpStatusCode.Forbidden)
{
await msg.Channel.SendMessageAsync(err + "I do not have permission to do that action.");
}
else if (ex.HttpCode == System.Net.HttpStatusCode.NotFound)
{
await msg.Channel.SendMessageAsync(err + "The target user appears to have left the server.");
}
else
{
await msg.Channel.SendMessageAsync(err + "An unknown error prevented me from doing that action.");
await Log(ex.ToString());
}
}
}
private async Task SendUsageMessage(SocketMessage m, string message)
{
var usageEmbed = new EmbedBuilder()
{
Title = "Usage",
Description = $"{this.Command} [user or user ID] " + (_forceReason ? "[reason]" : "*[reason]*") + "\n" +
"Kicks the given user from this server and " + (_forceReason ? "" : "optionally ") +
"logs a reason for the kick."
};
await m.Channel.SendMessageAsync(message ?? "", embed: usageEmbed);
}
}
}

49
Feature/ModTools/CommandListener.cs → Feature/ModTools/ModTools.cs
View file

@ -14,12 +14,12 @@ namespace Noikoio.RegexBot.Feature.ModTools
/// Entry point for the ModTools feature.
/// This feature implements moderation commands that are defined and enabled in configuration.
/// </summary>
// We are not using Discord.Net's Commands extension, as it doesn't allow for changes during runtime.
class CommandListener : BotFeature
// We are not using Discord.Net's Commands extension, as it does not allow for changes during runtime.
class ModTools : BotFeature
{
public override string Name => "ModTools";
public CommandListener(DiscordSocketClient client) : base(client)
public ModTools(DiscordSocketClient client) : base(client)
{
client.MessageReceived += Client_MessageReceived;
}
@ -67,44 +67,21 @@ namespace Noikoio.RegexBot.Feature.ModTools
[ConfigSection("modtools")]
public override async Task<object> ProcessConfiguration(JToken configSection)
{
var newcmds = new Dictionary<string, CommandBase>(StringComparer.OrdinalIgnoreCase);
foreach (JObject definition in configSection)
{
string label = definition["label"].Value<string>();
if (string.IsNullOrWhiteSpace(label))
throw new RuleImportException("A 'label' value was not specified in a command definition.");
var commands = new Dictionary<string, CommandBase>(StringComparer.OrdinalIgnoreCase);
string cmdinvoke = definition["command"].Value<string>();
if (string.IsNullOrWhiteSpace(cmdinvoke))
throw new RuleImportException($"{label}: 'command' value was not specified.");
if (cmdinvoke.Contains(" "))
throw new RuleImportException($"{label}: 'command' must not contain spaces.");
if (newcmds.TryGetValue(cmdinvoke, out var cmdexisting))
foreach (var def in configSection.Children<JProperty>())
{
string label = def.Name;
var cmd = CommandBase.CreateInstance(this, def);
if (commands.ContainsKey(cmd.Command))
throw new RuleImportException(
$"{label}: 'command' value must not be equal to that of another definition. " +
$"Given value is being used for {cmdexisting.Label}.");
$"Given value is being used for {commands[cmd.Command].Label}.");
string ctypestr = definition["type"].Value<string>();
if (string.IsNullOrWhiteSpace(ctypestr))
throw new RuleImportException($"Value 'type' must be specified in definition for '{label}'.");
var ctype = CommandTypeAttribute.GetCommandType(ctypestr);
CommandBase cmd;
try
{
cmd = (CommandBase)Activator.CreateInstance(ctype, this, definition);
}
catch (TargetInvocationException ex)
{
if (ex.InnerException is RuleImportException)
throw new RuleImportException($"Error in configuration for '{label}': {ex.InnerException.Message}");
throw;
}
await Log($"'{label}' created; using command {cmdinvoke}");
newcmds.Add(cmdinvoke, cmd);
commands.Add(cmd.Command, cmd);
}
return new ReadOnlyDictionary<string, CommandBase>(newcmds);
await Log($"Loaded {commands.Count} command definition(s).");
return new ReadOnlyDictionary<string, CommandBase>(commands);
}
public new Task Log(string text) => base.Log(text);

24
Feature/ModTools/TestCommand.cs
View file

@ -1,24 +0,0 @@
using Discord.WebSocket;
using Newtonsoft.Json.Linq;
using Noikoio.RegexBot.ConfigItem;
using System.Threading.Tasks;
namespace Noikoio.RegexBot.Feature.ModTools
{
#if DEBUG
[CommandType("test")]
class TestCommand : CommandBase
{
public TestCommand(CommandListener l, JObject conf) : base(l, conf) {
bool? doCrash = conf["crash"]?.Value<bool>();
if (doCrash.HasValue && doCrash.Value)
throw new RuleImportException("Throwing exception in constructor upon request.");
}
public override async Task Invoke(SocketGuild g, SocketMessage msg)
{
await msg.Channel.SendMessageAsync("This is the test command. It is labeled: " + this.Label);
}
}
#endif
}

2
RegexBot.cs
View file

@ -45,7 +45,7 @@ namespace Noikoio.RegexBot
_features = new BotFeature[]
{
new Feature.AutoMod.AutoMod(_client),
new Feature.ModTools.CommandListener(_client),
new Feature.ModTools.ModTools(_client),
new Feature.AutoRespond.AutoRespond(_client)
};
var dlog = Logger.GetLogger("Discord.Net");

2
RegexBot.csproj
View file

@ -4,7 +4,7 @@
<OutputType>Exe</OutputType>
<TargetFramework>netcoreapp2.0</TargetFramework>
<RootNamespace>Noikoio.RegexBot</RootNamespace>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>2.1.0.0</AssemblyVersion>
<Description>Highly configurable Discord moderation bot</Description>
<Authors>Noikoio</Authors>
<Company />