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authorRory& <root@rory.gay>2025-11-17 12:10:28 +0100
committerRory& <root@rory.gay>2025-11-17 12:10:28 +0100
commit5db1a4d94b7f7a35f89bae78852ac31ab4bc29bf (patch)
tree678554eabd09e9322b25280b48e7f7ddadfe8b37
parentnix: fix builds (diff)
downloadLibMatrix-unpacked-5db1a4d94b7f7a35f89bae78852ac31ab4bc29bf.tar.xz
Event content redaction (v12)
-rw-r--r--CONTRIBUTING.MD2
-rw-r--r--LibMatrix.EventTypes/EventContent.cs4
-rw-r--r--LibMatrix.EventTypes/Spec/State/RoomInfo/RoomCreateEventContent.cs2
-rw-r--r--LibMatrix.EventTypes/Spec/State/RoomInfo/RoomMemberEventContent.cs61
-rw-r--r--LibMatrix/StateEvent.cs21
5 files changed, 88 insertions, 2 deletions
diff --git a/CONTRIBUTING.MD b/CONTRIBUTING.MD

index 8c305b7..50c5a4d 100644 --- a/CONTRIBUTING.MD +++ b/CONTRIBUTING.MD
@@ -1,6 +1,6 @@ # Contributing -Any contribution is welcome, even if it's just documentation or recommended git practices! We're not too strict on code style, but we do have a few guidelines: +Any contribution is welcome, even if it's just documentation or recommended git practices! We're not too strict on code style, but we do have a few recommendations: - Use spaces, not tabs - Use 4 spaces for indentation - Use the C# naming convention for variables, methods, etc. diff --git a/LibMatrix.EventTypes/EventContent.cs b/LibMatrix.EventTypes/EventContent.cs
index d612e44..7a9f0aa 100644 --- a/LibMatrix.EventTypes/EventContent.cs +++ b/LibMatrix.EventTypes/EventContent.cs
@@ -1,4 +1,5 @@ using System.Diagnostics.CodeAnalysis; +using System.Net.Http.Json; using System.Reflection; using System.Text.Json; using System.Text.Json.Nodes; @@ -17,6 +18,7 @@ public abstract class EventContent { foreach (var attr in type.GetCustomAttributes<MatrixEventAttribute>(true)) { eventTypes.Add(attr.EventName); } + return eventTypes; } } @@ -55,7 +57,7 @@ public abstract class TimelineEventContent : EventContent { // used for reactions [JsonPropertyName("key")] public string? Key { get; set; } - + [JsonExtensionData] public Dictionary<string, object>? AdditionalData { get; set; } = []; diff --git a/LibMatrix.EventTypes/Spec/State/RoomInfo/RoomCreateEventContent.cs b/LibMatrix.EventTypes/Spec/State/RoomInfo/RoomCreateEventContent.cs
index 8519889..3dd033b 100644 --- a/LibMatrix.EventTypes/Spec/State/RoomInfo/RoomCreateEventContent.cs +++ b/LibMatrix.EventTypes/Spec/State/RoomInfo/RoomCreateEventContent.cs
@@ -1,5 +1,7 @@ using System.Diagnostics.CodeAnalysis; +using System.Text.Json.Nodes; using System.Text.Json.Serialization; +using ArcaneLibs.Extensions; namespace LibMatrix.EventTypes.Spec.State.RoomInfo; diff --git a/LibMatrix.EventTypes/Spec/State/RoomInfo/RoomMemberEventContent.cs b/LibMatrix.EventTypes/Spec/State/RoomInfo/RoomMemberEventContent.cs
index b034425..287754a 100644 --- a/LibMatrix.EventTypes/Spec/State/RoomInfo/RoomMemberEventContent.cs +++ b/LibMatrix.EventTypes/Spec/State/RoomInfo/RoomMemberEventContent.cs
@@ -0,0 +1,61 @@ +using System.Text.Json; +using System.Text.Json.Nodes; +using System.Text.Json.Serialization; + +namespace LibMatrix.EventTypes.Spec.State.RoomInfo; + +[MatrixEvent(EventName = EventId)] +public class RoomMemberEventContent : EventContent { + public const string EventId = "m.room.member"; + + [JsonPropertyName("reason")] + public string? Reason { get; set; } + + [JsonPropertyName("membership")] + public required string Membership { get; set; } + + [JsonPropertyName("displayname")] + public string? DisplayName { get; set; } + + [JsonPropertyName("is_direct")] + public bool? IsDirect { get; set; } + + [JsonPropertyName("avatar_url")] + public string? AvatarUrl { get; set; } + + [JsonPropertyName("kind")] + public string? Kind { get; set; } + + [JsonPropertyName("join_authorised_via_users_server")] + public string? JoinAuthorisedViaUsersServer { get; set; } + + [JsonPropertyName("third_party_invite")] + public ThirdPartyMemberInvite? ThirdPartyInvite { get; set; } + + public class ThirdPartyMemberInvite { + [JsonPropertyName("display_name")] + public required string DisplayName { get; set; } + + [JsonPropertyName("signed")] + public required SignedThirdPartyInvite Signed { get; set; } + + public class SignedThirdPartyInvite { + [JsonPropertyName("mxid")] + public required string Mxid { get; set; } + + [JsonPropertyName("signatures")] + public required Dictionary<string, Dictionary<string, string>> Signatures { get; set; } + + [JsonPropertyName("token")] + public required string Token { get; set; } + } + } + + public static class MembershipTypes { + public const string Invite = "invite"; + public const string Join = "join"; + public const string Leave = "leave"; + public const string Ban = "ban"; + public const string Knock = "knock"; + } +} \ No newline at end of file diff --git a/LibMatrix/StateEvent.cs b/LibMatrix/StateEvent.cs
index 861b584..dfe393a 100644 --- a/LibMatrix/StateEvent.cs +++ b/LibMatrix/StateEvent.cs
@@ -132,6 +132,27 @@ public class MatrixEvent { /// <param name="y"></param> /// <returns></returns> public static bool DeepEquals(MatrixEventResponse x, MatrixEventResponse y) => x.Type == y.Type && x.StateKey == y.StateKey && JsonNode.DeepEquals(x.RawContent, y.RawContent); + + public JsonObject GetRedactedContent(string roomVersion) { + JsonObject GetTopLevelKeys(string[] keys) { + var obj = new JsonObject(); + foreach (var key in keys) { + if (RawContent.ContainsKey(key)) + obj[key] = RawContent[key]!; + } + + return obj; + } + + return Type switch { + "m.room.create" => RawContent, // as of v11... TODO: implement older versions + "m.room.member" => GetTopLevelKeys(["membership", "join_authorised_via_users_server"]), // TODO: missing third_party_invite.signed + "m.room.join_rules" => GetTopLevelKeys(["join_rule", "allow"]), + "m.room.power_levels" => GetTopLevelKeys(["ban", "events", "events_default", "kick", "redact", "state_default", "users", "users_default"]), + "m.room.history_visibility" => GetTopLevelKeys(["history_visibility"]), + _ => new JsonObject() + }; + } } public class MatrixEventResponse : MatrixEvent {