Fix issue when adding bans with reason that has line endings

FactorioWebInterface/Services/FactorioBanService.cs

@@ -8,6 +8,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 
 namespace FactorioWebInterface.Services
@@ -26,8 +27,11 @@ public interface IFactorioBanService
         Task<Result> BuildBanList(string serverBanListPath);
     }
 
-    public class FactorioBanService : IFactorioBanService
+    public partial class FactorioBanService : IFactorioBanService
     {
+        [GeneratedRegex("(\n|\r)+")]
+        private static partial Regex LineEndingRegex();
+
         private static readonly JsonSerializerSettings banListSerializerSettings = new JsonSerializerSettings()
         {
             Formatting = Formatting.Indented,
@@ -124,6 +128,8 @@ public async Task DoBanFromGameOutput(FactorioServerData serverData, string cont
         public async Task<bool> AddBan(Ban ban, string serverId, bool synchronizeWithServers, string? actor)
         {
             ban.Username = ban.Username.ToLowerInvariant();
+            ban.Username = LineEndingRegex().Replace(ban.Username, "");
+            ban.Reason = LineEndingRegex().Replace(ban.Reason ?? "", " ");
 
             bool added = await AddBanToDatabase(ban);
             if (added)

FactorioWebInterfaceTests/Services/FactorioBanServiceTests/AddBan.cs

@@ -119,6 +119,54 @@ void Callback(LogLevel l, object state)
             Assert.Equal(expected, message);
         }
 
+        [Theory]
+        [InlineData("name\n", "reason", "name", "reason")]
+        [InlineData("name\n\r", "reason", "name", "reason")]
+        [InlineData("name\r", "reason", "name", "reason")]
+        [InlineData("name\r\n", "reason", "name", "reason")]
+        [InlineData("name\n\n", "reason", "name", "reason")]
+        [InlineData("name", "reason", "name", "reason")]
+        [InlineData("name", "reason\n", "name", "reason ")]
+        [InlineData("name", "reason\n\r", "name", "reason ")]
+        [InlineData("name", "reason\r", "name", "reason ")]
+        [InlineData("name", "reason\r\n", "name", "reason ")]
+        [InlineData("name", "reason\n\n", "name", "reason ")]
+        [InlineData("name", "reason\nline2", "name", "reason line2")]
+        [InlineData("name", "reason\nline2\nline3", "name", "reason line2 line3")]        
+        public async Task ReplacesLineEndingsInUsernameAndReasonWithSpace(string username, string reason, string expectedName, string expectedReason)
+        {
+            // Arrange.
+            var ban = new Ban() { Username = username, Admin = "admin", Reason = reason };
+            const string serverId = "serverId";
+            const bool sync = true;
+
+            var eventRaised = new AsyncManualResetEvent();
+            FactorioBanEventArgs? eventArgs = null;
+            void FactorioBanService_BanChanged(IFactorioBanService sender, FactorioBanEventArgs ev)
+            {
+                eventArgs = ev;
+                eventRaised.Set();
+            }
+
+            factorioBanService.BanChanged += FactorioBanService_BanChanged;
+
+            // Act.
+            await factorioBanService.AddBan(ban, serverId, sync, "");
+            await eventRaised.WaitAsyncWithTimeout(5000);
+
+            // Assert.
+            Assert.NotNull(eventArgs);
+            Assert.Equal(serverId, eventArgs!.Source);
+            Assert.Equal(sync, eventArgs.SynchronizeWithServers);
+
+            var changeData = eventArgs.ChangeData;
+
+            Assert.Equal(CollectionChangeType.Add, changeData.Type);
+            Assert.Single(changeData.NewItems);
+            Assert.Equal(expectedName, changeData.NewItems[0].Username);
+            Assert.Equal(expectedReason, changeData.NewItems[0].Reason);
+        }
+
         [Fact]
         public async Task DoesNotAddDuplicateBan()
         {

FactorioWrapper/MainLoop.cs

@@ -450,7 +450,7 @@ private async void FactorioProcess_OutputDataReceived(object sender, DataReceive
 
                     string line = match.Groups[1].Value;
 #if WINDOWS
-                    if (line == "Info UDPSocket.cpp:45: Opening socket for broadcast")
+                    if (line == "Info UDPSocket.cpp:44: Opening socket for broadcast")
                     {
                         await ConnectRCON();