From b77cc7edf960c7f49ed5181b9570b4e0afe73583 Mon Sep 17 00:00:00 2001
From: Rory& <root@rory.gay>
Date: Fri, 14 Nov 2025 08:42:49 +0100
Subject: Handle some non-browser network errors, clean up some well known
 resolver stuff

---
 LibMatrix/LibMatrixNetworkException.cs | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 LibMatrix/LibMatrixNetworkException.cs

(limited to 'LibMatrix/LibMatrixNetworkException.cs')

diff --git a/LibMatrix/LibMatrixNetworkException.cs b/LibMatrix/LibMatrixNetworkException.cs
new file mode 100644
index 0000000..7be0f4e
--- /dev/null
+++ b/LibMatrix/LibMatrixNetworkException.cs
@@ -0,0 +1,33 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Text.Json.Serialization;
+using ArcaneLibs.Extensions;
+// ReSharper disable MemberCanBePrivate.Global
+
+namespace LibMatrix;
+
+public class LibMatrixNetworkException : Exception {
+    public LibMatrixNetworkException() : base() { }
+    public LibMatrixNetworkException(Exception httpRequestException) : base("A network error occurred", httpRequestException) { }
+
+    [JsonPropertyName("errcode")]
+    public required string ErrorCode { get; set; }
+
+    [JsonPropertyName("error")]
+    public required string Error { get; set; }
+    
+    public object GetAsObject() => new { errcode = ErrorCode, error = Error };
+    public string GetAsJson() => GetAsObject().ToJson(ignoreNull: true);
+
+    public override string Message =>
+        $"{ErrorCode}: {ErrorCode switch {
+            ErrorCodes.RLM_NET_UNKNOWN_HOST => "The specified host could not be found.",
+            ErrorCodes.RLM_NET_INVALID_REMOTE_CERTIFICATE => "The remote server's TLS certificate is invalid or could not be verified.",
+            _ => $"Unknown error: {GetAsObject().ToJson(ignoreNull: true)}"
+        }}\nError: {Error}";
+
+    [SuppressMessage("ReSharper", "InconsistentNaming", Justification = "Follows spec naming")]
+    public static class ErrorCodes {
+        public const string RLM_NET_UNKNOWN_HOST = "RLM_NET_UNKNOWN_HOST";
+        public const string RLM_NET_INVALID_REMOTE_CERTIFICATE = "RLM_NET_INVALID_REMOTE_CERTIFICATE";
+    }
+}
\ No newline at end of file
-- 
cgit 1.5.1