Fully implemented AutoRespond

Feature/AutoRespond/AutoRespond.cs

@@ -1,9 +1,7 @@
-using System;
+using Discord.WebSocket;
-using System.Collections.Generic;
-using System.Text;
-using System.Threading.Tasks;
-using Discord.WebSocket;
 using Newtonsoft.Json.Linq;
+using System.Collections.Generic;
+using System.Threading.Tasks;
 
 namespace Noikoio.RegexBot.Feature.AutoRespond
 {
@@ -14,10 +12,9 @@ namespace Noikoio.RegexBot.Feature.AutoRespond
     /// The major differences between this and <see cref="AutoMod"/> include:
     /// <list type="bullet">
     /// <item><description>Does not listen for message edits.</description></item>
-    /// <item><description>Moderators are not exempt from any defined triggers by default.</description></item>
+    /// <item><description>Moderators are not exempt from any defined triggers.</description></item>
-    /// <item><description>Responses are limited to only two types, and only one is allowed per rule.</description></item>
+    /// <item><description>Responses are limited to the invoking channel.</description></item>
-    /// <item><description>Does not support fine-grained matching options.</description></item>
+    /// <item><description>Per-channel rate limiting.</description></item>
-    /// <item><description>Support for rate limiting.</description></item>
     /// </list>
     /// </para>
     /// </summary>
@@ -47,7 +44,14 @@ namespace Noikoio.RegexBot.Feature.AutoRespond
         [ConfigSection("autoresponses")]
         public override Task<object> ProcessConfiguration(JToken configSection)
         {
-            throw new NotImplementedException();
+            var responses = new List<ResponseDefinition>();
+            foreach (JObject def in configSection)
+            {
+                // Everything is left to the constructor
+                responses.Add(new ResponseDefinition(def));
+            }
+
+            return Task.FromResult<object>(responses.AsReadOnly());
         }
     }
 }

Feature/AutoRespond/AutoRespond_Process.cs

@@ -1,7 +1,5 @@
 using Discord.WebSocket;
-using System;
+using System.Diagnostics;
-using System.Collections.Generic;
-using System.Text;
 using System.Threading.Tasks;
 
 namespace Noikoio.RegexBot.Feature.AutoRespond
@@ -10,10 +8,53 @@ namespace Noikoio.RegexBot.Feature.AutoRespond
     {
         private async Task ProcessMessage(SocketMessage msg, ResponseDefinition def)
         {
-            // Filtering checks
+            // Checks before executing
+            if (def.Filter.IsFiltered(msg)) return;
+            if (!def.RateLimit.AddUsage(msg.Channel.Id)) return;
 
-            // Rate limit checks
+            await Log($"'{def.Label}' triggered in #{msg.Channel.Name} by {msg.Author}");
+            var (type, text) = def.Response;
 
+            if (type == ResponseDefinition.ResponseType.Reply) await ProcessReply(msg, text);
+            else if (type == ResponseDefinition.ResponseType.Exec) await ProcessExec(msg, text);
+        }
+
+        private async Task ProcessReply(SocketMessage msg, string text)
+        {
+            await msg.Channel.SendMessageAsync(text);
+        }
+
+        private async Task ProcessExec(SocketMessage msg, string text)
+        {
+            string[] cmdline = text.Split(new char[] { ' ' }, 2);
+
+            ProcessStartInfo ps = new ProcessStartInfo()
+            {
+                FileName = cmdline[0],
+                Arguments = (cmdline.Length == 2 ? cmdline[1] : ""),
+                UseShellExecute = false, // ???
+                CreateNoWindow = true,
+                RedirectStandardOutput = true
+            };
+            using (Process p = Process.Start(ps))
+            {
+                p.WaitForExit(5000); // waiting at most 5 seconds
+                if (p.HasExited)
+                {
+                    if (p.ExitCode != 0) await Log("exec: Process returned exit code " + p.ExitCode);
+                    using (var stdout = p.StandardOutput)
+                    {
+                        var result = await stdout.ReadToEndAsync();
+                        await msg.Channel.SendMessageAsync(result);
+                    }
+                }
+                else
+                {
+                    await Log("exec: Process is taking too long to exit. Killing process.");
+                    p.Kill();
+                    return;
+                }
+            }
         }
     }
 }

Feature/AutoRespond/RateLimitCache.cs

@@ -8,7 +8,7 @@ namespace Noikoio.RegexBot.Feature.AutoRespond
     /// </summary>
     class RateLimitCache
     {
-        public const ushort DefaultTimeout = 30; // TODO make configurable
+        public const ushort DefaultTimeout = 20; // this is Skeeter's fault
 
         private readonly ushort _timeout;
         private Dictionary<ulong, DateTime> _cache;
@@ -32,6 +32,8 @@ namespace Noikoio.RegexBot.Feature.AutoRespond
         /// <returns>True on success. False if the given ID already exists.</returns>
         public bool AddUsage(ulong id)
         {
+            if (_timeout == 0) return true;
+
             Clean();
             if (_cache.ContainsKey(id)) return false;
             _cache.Add(id, DateTime.Now);