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-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Common/MjolnirShortcodeEventContent.cs11
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Common/RoomEmotesEventContent.cs24
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/EventContent.cs48
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/LibMatrix.LegacyEvents.EventTypes.csproj22
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/MatrixEventAttribute.cs7
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/Ephemeral/PresenceStateEventContent.cs30
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/Ephemeral/RoomTypingEventContent.cs11
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/RoomMessageEventContent.cs56
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/RoomMessageReactionEventContent.cs6
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/Policy/PolicyRuleStateEventContent.cs107
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomAliasEventContent.cs11
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomAvatarEventContent.cs28
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomCanonicalAliasEventContent.cs14
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomCreateEventContent.cs31
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomEncryptionEventContent.cs17
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomGuestAccessEventContent.cs17
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomHistoryVisibilityEventContent.cs11
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomJoinRulesEventContent.cs60
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomMemberEventContent.cs37
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomNameEventContent.cs11
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomPinnedEventContent.cs11
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomPowerLevelEventContent.cs93
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomServerACLEventContent.cs17
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomTopicEventContent.cs12
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/Space/SpaceChildEventContent.cs17
-rw-r--r--LibMatrix.LegacyEvents.EventTypes/Spec/State/Space/SpaceParentEventContent.cs14
26 files changed, 723 insertions, 0 deletions
diff --git a/LibMatrix.LegacyEvents.EventTypes/Common/MjolnirShortcodeEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Common/MjolnirShortcodeEventContent.cs
new file mode 100644
index 0000000..be8c154
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Common/MjolnirShortcodeEventContent.cs
@@ -0,0 +1,11 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Common;
+
+[MatrixEvent(EventName = EventId)]
+public class MjolnirShortcodeEventContent : TimelineEventContent {
+    public const string EventId = "org.matrix.mjolnir.shortcode";
+
+    [JsonPropertyName("shortcode")]
+    public string? Shortcode { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Common/RoomEmotesEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Common/RoomEmotesEventContent.cs
new file mode 100644
index 0000000..ee268d9
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Common/RoomEmotesEventContent.cs
@@ -0,0 +1,24 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Common;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomEmotesEventContent : TimelineEventContent {
+    public const string EventId = "im.ponies.room_emotes";
+
+    [JsonPropertyName("emoticons")]
+    public Dictionary<string, EmoticonData>? Emoticons { get; set; }
+
+    [JsonPropertyName("images")]
+    public Dictionary<string, EmoticonData>? Images { get; set; }
+
+    [JsonPropertyName("pack")]
+    public PackInfo? Pack { get; set; }
+
+    public class EmoticonData {
+        [JsonPropertyName("url")]
+        public string? Url { get; set; }
+    }
+
+    public class PackInfo; // TODO: Implement this
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/EventContent.cs b/LibMatrix.LegacyEvents.EventTypes/EventContent.cs
new file mode 100644
index 0000000..3e76459
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/EventContent.cs
@@ -0,0 +1,48 @@
+using System.Text.Json;
+using System.Text.Json.Nodes;
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes;
+
+public abstract class EventContent;
+
+public class UnknownEventContent : TimelineEventContent;
+
+public abstract class TimelineEventContent : EventContent {
+    [JsonPropertyName("m.relates_to")]
+    public MessageRelatesTo? RelatesTo { get; set; }
+
+    [JsonPropertyName("m.new_content")]
+    public JsonObject? NewContent { get; set; }
+
+    public TimelineEventContent SetReplaceRelation(string eventId) {
+        NewContent = JsonSerializer.SerializeToNode(this, GetType())!.AsObject();
+        // NewContent = JsonSerializer.Deserialize(jsonText, GetType());
+        RelatesTo = new MessageRelatesTo {
+            RelationType = "m.replace",
+            EventId = eventId
+        };
+        return this;
+    }
+
+    public T SetReplaceRelation<T>(string eventId) where T : TimelineEventContent => SetReplaceRelation(eventId) as T ?? throw new InvalidOperationException();
+
+    public class MessageRelatesTo {
+        [JsonPropertyName("m.in_reply_to")]
+        public EventInReplyTo? InReplyTo { get; set; }
+
+        [JsonPropertyName("event_id")]
+        public string? EventId { get; set; }
+
+        [JsonPropertyName("rel_type")]
+        public string? RelationType { get; set; }
+
+        public class EventInReplyTo {
+            [JsonPropertyName("event_id")]
+            public string? EventId { get; set; }
+
+            [JsonPropertyName("rel_type")]
+            public string? RelType { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/LibMatrix.LegacyEvents.EventTypes.csproj b/LibMatrix.LegacyEvents.EventTypes/LibMatrix.LegacyEvents.EventTypes.csproj
new file mode 100644
index 0000000..4276003
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/LibMatrix.LegacyEvents.EventTypes.csproj
@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <ProjectReference Condition="Exists('..\ArcaneLibs\ArcaneLibs\ArcaneLibs.csproj')" Include="..\ArcaneLibs\ArcaneLibs\ArcaneLibs.csproj"/>
+        <!-- This is dangerous, but eases development since locking the version will drift out of sync without noticing,
+                which causes build errors due to missing functions.
+                Using the NuGet version in development is annoying due to delays between pushing and being able to consume.
+                If you want to use a time-appropriate version of the library, recursively clone https://cgit.rory.gay/matrix/MatrixUtils.git
+                instead, since this will be locked by the MatrixUtils project, which contains both LibMatrix and ArcaneLibs as a submodule. -->
+        <PackageReference Condition="!Exists('..\ArcaneLibs\ArcaneLibs\ArcaneLibs.csproj')" Include="ArcaneLibs" Version="*-preview*"/>
+    </ItemGroup>
+
+    <Target Name="ArcaneLibsNugetWarning" AfterTargets="AfterBuild">
+        <Warning Text="ArcaneLibs is being referenced from NuGet, which is dangerous. Please read the warning in LibMatrix.csproj!" Condition="!Exists('..\ArcaneLibs\ArcaneLibs\ArcaneLibs.csproj')"/>
+    </Target>
+</Project>
diff --git a/LibMatrix.LegacyEvents.EventTypes/MatrixEventAttribute.cs b/LibMatrix.LegacyEvents.EventTypes/MatrixEventAttribute.cs
new file mode 100644
index 0000000..708dad1
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/MatrixEventAttribute.cs
@@ -0,0 +1,7 @@
+namespace LibMatrix.LegacyEvents.EventTypes;
+
+[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+public class MatrixEventAttribute : Attribute {
+    public required string EventName { get; set; }
+    public bool Legacy { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/Ephemeral/PresenceStateEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/Ephemeral/PresenceStateEventContent.cs
new file mode 100644
index 0000000..676f36d
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/Ephemeral/PresenceStateEventContent.cs
@@ -0,0 +1,30 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.Ephemeral;
+
+[MatrixEvent(EventName = EventId)]
+public class PresenceEventContent : EventContent {
+    public const string EventId = "m.presence";
+
+    [JsonPropertyName("presence")]
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public string? Presence { get; set; }
+
+    [JsonPropertyName("last_active_ago")]
+    public long LastActiveAgo { get; set; }
+
+    [JsonPropertyName("currently_active")]
+    public bool CurrentlyActive { get; set; }
+
+    [JsonPropertyName("status_msg")]
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public string? StatusMessage { get; set; }
+
+    [JsonPropertyName("avatar_url")]
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public string? AvatarUrl { get; set; }
+
+    [JsonPropertyName("displayname")]
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public string? DisplayName { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/Ephemeral/RoomTypingEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/Ephemeral/RoomTypingEventContent.cs
new file mode 100644
index 0000000..97b86fc
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/Ephemeral/RoomTypingEventContent.cs
@@ -0,0 +1,11 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomTypingEventContent : EventContent {
+    public const string EventId = "m.typing";
+
+    [JsonPropertyName("user_ids")]
+    public string[]? UserIds { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/RoomMessageEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/RoomMessageEventContent.cs
new file mode 100644
index 0000000..ef26ab0
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/RoomMessageEventContent.cs
@@ -0,0 +1,56 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomMessageEventContent : TimelineEventContent {
+    public const string EventId = "m.room.message";
+
+    public RoomMessageEventContent(string messageType = "m.notice", string? body = null) {
+        MessageType = messageType;
+        Body = body ?? "";
+    }
+
+    [JsonPropertyName("body")]
+    public string Body { get; set; }
+
+    [JsonPropertyName("msgtype")]
+    public string MessageType { get; set; } = "m.notice";
+
+    [JsonPropertyName("formatted_body")]
+    public string? FormattedBody { get; set; }
+
+    [JsonPropertyName("format")]
+    public string? Format { get; set; }
+
+    /// <summary>
+    /// Media URI for this message, if any
+    /// </summary>
+    [JsonPropertyName("url")]
+    public string? Url { get; set; }
+
+    public string? FileName { get; set; }
+
+    [JsonPropertyName("info")]
+    public FileInfoStruct? FileInfo { get; set; }
+    
+    [JsonIgnore]
+    public string BodyWithoutReplyFallback => Body.Split('\n').SkipWhile(x => x.StartsWith(">")).SkipWhile(x=>x.Trim().Length == 0).Aggregate((x, y) => $"{x}\n{y}");
+
+    public class FileInfoStruct {
+        [JsonPropertyName("mimetype")]
+        public string? MimeType { get; set; }
+
+        [JsonPropertyName("size")]
+        public long Size { get; set; }
+
+        [JsonPropertyName("thumbnail_url")]
+        public string? ThumbnailUrl { get; set; }
+        
+        [JsonPropertyName("w")]
+        public int? Width { get; set; }
+        
+        [JsonPropertyName("h")]
+        public int? Height { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/RoomMessageReactionEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/RoomMessageReactionEventContent.cs
new file mode 100644
index 0000000..3649a6b
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/RoomMessageReactionEventContent.cs
@@ -0,0 +1,6 @@
+namespace LibMatrix.LegacyEvents.EventTypes.Spec;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomMessageReactionEventContent : TimelineEventContent {
+    public const string EventId = "m.reaction";
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/Policy/PolicyRuleStateEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/Policy/PolicyRuleStateEventContent.cs
new file mode 100644
index 0000000..c61f2bf
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/Policy/PolicyRuleStateEventContent.cs
@@ -0,0 +1,107 @@
+using System.Text.Json.Serialization;
+using ArcaneLibs.Attributes;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State.Policy;
+
+//spec
+[MatrixEvent(EventName = EventId)]                                         //spec
+[MatrixEvent(EventName = "m.room.rule.server", Legacy = true)]             //???
+[MatrixEvent(EventName = "org.matrix.mjolnir.rule.server", Legacy = true)] //legacy
+[FriendlyName(Name = "Server policy", NamePlural = "Server policies")]
+public class ServerPolicyRuleEventContent : PolicyRuleEventContent {
+    public const string EventId = "m.policy.rule.server";
+}
+
+[MatrixEvent(EventName = EventId)]                                       //spec
+[MatrixEvent(EventName = "m.room.rule.user", Legacy = true)]             //???
+[MatrixEvent(EventName = "org.matrix.mjolnir.rule.user", Legacy = true)] //legacy
+[FriendlyName(Name = "User policy", NamePlural = "User policies")]
+public class UserPolicyRuleEventContent : PolicyRuleEventContent {
+    public const string EventId = "m.policy.rule.user";
+}
+
+[MatrixEvent(EventName = EventId)]                                       //spec
+[MatrixEvent(EventName = "m.room.rule.room", Legacy = true)]             //???
+[MatrixEvent(EventName = "org.matrix.mjolnir.rule.room", Legacy = true)] //legacy
+[FriendlyName(Name = "Room policy", NamePlural = "Room policies")]
+public class RoomPolicyRuleEventContent : PolicyRuleEventContent {
+    public const string EventId = "m.policy.rule.room";
+}
+
+public abstract class PolicyRuleEventContent : EventContent {
+    public PolicyRuleEventContent() => Console.WriteLine($"init policy {GetType().Name}");
+    private string? _reason;
+
+    /// <summary>
+    ///     Entity this ban applies to, can use * and ? as globs.
+    ///     Policy is invalid if entity is null
+    /// </summary>
+    [JsonPropertyName("entity")]
+    [FriendlyName(Name = "Entity")]
+    public string? Entity { get; set; }
+
+    private bool init;
+
+    /// <summary>
+    ///     Reason this user is banned
+    /// </summary>
+    [JsonPropertyName("reason")]
+    [FriendlyName(Name = "Reason")]
+    public virtual string? Reason {
+        get =>
+            // Console.WriteLine($"Read policy reason: {_reason}");
+            _reason;
+        set =>
+            // Console.WriteLine($"Set policy reason: {value}");
+            // if(init)
+            // Console.WriteLine(string.Join('\n', Environment.StackTrace.Split('\n')[..5]));
+            // init = true;
+            _reason = value;
+    }
+
+    /// <summary>
+    ///     Suggested action to take
+    /// </summary>
+    [JsonPropertyName("recommendation")]
+    [FriendlyName(Name = "Recommendation")]
+    public string? Recommendation { get; set; }
+
+    /// <summary>
+    ///     Expiry time in milliseconds since the unix epoch, or null if the ban has no expiry.
+    /// </summary>
+    [JsonPropertyName("support.feline.policy.expiry.rev.2")] //stable prefix: expiry, msc pending
+    [TableHide]
+    public long? Expiry { get; set; }
+
+    //utils
+    /// <summary>
+    ///     Readable expiry time, provided for easy interaction
+    /// </summary>
+    [JsonPropertyName("gay.rory.matrix_room_utils.readable_expiry_time_utc")]
+    [FriendlyName(Name = "Expires at")]
+    public DateTime? ExpiryDateTime {
+        get => Expiry == null ? null : DateTimeOffset.FromUnixTimeMilliseconds(Expiry.Value).DateTime;
+        set {
+            if (value is not null)
+                Expiry = ((DateTimeOffset)value).ToUnixTimeMilliseconds();
+        }
+    }
+}
+
+public static class PolicyRecommendationTypes {
+    /// <summary>
+    ///     Ban this user
+    /// </summary>
+    public static string Ban = "m.ban";
+
+    /// <summary>
+    ///     Mute this user
+    /// </summary>
+    public static string Mute = "support.feline.policy.recommendation_mute"; //stable prefix: m.mute, msc pending
+}
+
+// public class PolicySchemaDefinition {
+//     public required string Name { get; set; }
+//     public required bool Optional { get; set; }
+//     
+// }
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomAliasEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomAliasEventContent.cs
new file mode 100644
index 0000000..197fe4b
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomAliasEventContent.cs
@@ -0,0 +1,11 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State.RoomInfo;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomAliasEventContent : EventContent {
+    public const string EventId = "m.room.alias";
+
+    [JsonPropertyName("aliases")]
+    public List<string>? Aliases { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomAvatarEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomAvatarEventContent.cs
new file mode 100644
index 0000000..bc70d65
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomAvatarEventContent.cs
@@ -0,0 +1,28 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State.RoomInfo;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomAvatarEventContent : EventContent {
+    public const string EventId = "m.room.avatar";
+
+    [JsonPropertyName("url")]
+    public string? Url { get; set; }
+
+    [JsonPropertyName("info")]
+    public RoomAvatarInfo? Info { get; set; }
+
+    public class RoomAvatarInfo {
+        [JsonPropertyName("h")]
+        public int? Height { get; set; }
+
+        [JsonPropertyName("w")]
+        public int? Width { get; set; }
+
+        [JsonPropertyName("mimetype")]
+        public string? MimeType { get; set; }
+
+        [JsonPropertyName("size")]
+        public int? Size { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomCanonicalAliasEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomCanonicalAliasEventContent.cs
new file mode 100644
index 0000000..790f80b
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomCanonicalAliasEventContent.cs
@@ -0,0 +1,14 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomCanonicalAliasEventContent : EventContent {
+    public const string EventId = "m.room.canonical_alias";
+
+    [JsonPropertyName("alias")]
+    public string? Alias { get; set; }
+
+    [JsonPropertyName("alt_aliases")]
+    public string[]? AltAliases { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomCreateEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomCreateEventContent.cs
new file mode 100644
index 0000000..c6d259d
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomCreateEventContent.cs
@@ -0,0 +1,31 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomCreateEventContent : EventContent {
+    public const string EventId = "m.room.create";
+
+    [JsonPropertyName("room_version")]
+    public string? RoomVersion { get; set; }
+
+    [JsonPropertyName("creator")]
+    public string? Creator { get; set; }
+
+    [JsonPropertyName("m.federate")]
+    public bool? Federate { get; set; }
+
+    [JsonPropertyName("predecessor")]
+    public RoomCreatePredecessor? Predecessor { get; set; }
+
+    [JsonPropertyName("type")]
+    public string? Type { get; set; }
+
+    public class RoomCreatePredecessor {
+        [JsonPropertyName("room_id")]
+        public string? RoomId { get; set; }
+
+        [JsonPropertyName("event_id")]
+        public string? EventId { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomEncryptionEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomEncryptionEventContent.cs
new file mode 100644
index 0000000..2fed1f3
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomEncryptionEventContent.cs
@@ -0,0 +1,17 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomEncryptionEventContent : EventContent {
+    public const string EventId = "m.room.encryption";
+
+    [JsonPropertyName("algorithm")]
+    public string? Algorithm { get; set; }
+
+    [JsonPropertyName("rotation_period_ms")]
+    public ulong? RotationPeriodMs { get; set; }
+
+    [JsonPropertyName("rotation_period_msgs")]
+    public ulong? RotationPeriodMsgs { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomGuestAccessEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomGuestAccessEventContent.cs
new file mode 100644
index 0000000..be66dbf
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomGuestAccessEventContent.cs
@@ -0,0 +1,17 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomGuestAccessEventContent : EventContent {
+    public const string EventId = "m.room.guest_access";
+
+    [JsonPropertyName("guest_access")]
+    public string GuestAccess { get; set; }
+
+    [JsonIgnore]
+    public bool IsGuestAccessEnabled {
+        get => GuestAccess == "can_join";
+        set => GuestAccess = value ? "can_join" : "forbidden";
+    }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomHistoryVisibilityEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomHistoryVisibilityEventContent.cs
new file mode 100644
index 0000000..0be42d6
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomHistoryVisibilityEventContent.cs
@@ -0,0 +1,11 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomHistoryVisibilityEventContent : EventContent {
+    public const string EventId = "m.room.history_visibility";
+
+    [JsonPropertyName("history_visibility")]
+    public string HistoryVisibility { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomJoinRulesEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomJoinRulesEventContent.cs
new file mode 100644
index 0000000..48202a5
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomJoinRulesEventContent.cs
@@ -0,0 +1,60 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomJoinRulesEventContent : EventContent {
+    public const string EventId = "m.room.join_rules";
+
+    /// <summary>
+    /// one of ["public", "invite", "knock", "restricted", "knock_restricted"]
+    /// "private" is reserved without implementation!
+    /// unknown values are treated as "private"
+    /// </summary>
+    [JsonPropertyName("join_rule")]
+    public string JoinRuleValue { get; set; }
+
+    [JsonIgnore]
+    public JoinRules JoinRule {
+        get => JoinRuleValue switch {
+            "public" => JoinRules.Public,
+            "invite" => JoinRules.Invite,
+            "knock" => JoinRules.Knock,
+            "restricted" => JoinRules.Restricted,
+            "knock_restricted" => JoinRules.KnockRestricted,
+            _ => JoinRules.Private
+        };
+        set => JoinRuleValue = value switch {
+            JoinRules.Public => "public",
+            JoinRules.Invite => "invite",
+            JoinRules.Knock => "knock",
+            JoinRules.Restricted => "restricted",
+            JoinRules.KnockRestricted => "knock_restricted",
+            _ => "private"
+        };
+    }
+
+    [JsonPropertyName("allow")]
+    public List<AllowEntry>? Allow { get; set; }
+
+    public class AllowEntry {
+        [JsonPropertyName("type")]
+        public required string Type { get; set; }
+
+        [JsonPropertyName("room_id")]
+        public required string RoomId { get; set; }
+
+        public static class Types {
+            public const string RoomMembership = "m.room_membership";
+        }
+    }
+
+    public enum JoinRules {
+        Public,
+        Invite,
+        Knock,
+        Restricted,
+        KnockRestricted,
+        Private // reserved without implementation!
+    }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomMemberEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomMemberEventContent.cs
new file mode 100644
index 0000000..1926417
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomMemberEventContent.cs
@@ -0,0 +1,37 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[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; }
+    
+    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.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomNameEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomNameEventContent.cs
new file mode 100644
index 0000000..165a1a3
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomNameEventContent.cs
@@ -0,0 +1,11 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomNameEventContent : EventContent {
+    public const string EventId = "m.room.name";
+
+    [JsonPropertyName("name")]
+    public string? Name { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomPinnedEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomPinnedEventContent.cs
new file mode 100644
index 0000000..4c08396
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomPinnedEventContent.cs
@@ -0,0 +1,11 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomPinnedEventContent : EventContent {
+    public const string EventId = "m.room.pinned_events";
+
+    [JsonPropertyName("pinned")]
+    public string[]? PinnedEvents { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomPowerLevelEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomPowerLevelEventContent.cs
new file mode 100644
index 0000000..e7b58ee
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomPowerLevelEventContent.cs
@@ -0,0 +1,93 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+[JsonNumberHandling(JsonNumberHandling.AllowReadingFromString)]
+public class RoomPowerLevelEventContent : EventContent {
+    public const string EventId = "m.room.power_levels";
+
+    [JsonPropertyName("ban")]
+    public long? Ban { get; set; } = 50;
+
+    [JsonPropertyName("events_default")]
+    public long? EventsDefault { get; set; } = 0;
+
+    [JsonPropertyName("invite")]
+    public long? Invite { get; set; } = 0;
+
+    [JsonPropertyName("kick")]
+    public long? Kick { get; set; } = 50;
+
+    [JsonPropertyName("notifications")]
+    public NotificationsPL? NotificationsPl { get; set; } // = null!;
+
+    [JsonPropertyName("redact")]
+    public long? Redact { get; set; } = 50;
+
+    [JsonPropertyName("state_default")]
+    public long? StateDefault { get; set; } = 50;
+
+    [JsonPropertyName("events")]
+    public Dictionary<string, long>? Events { get; set; } // = null!;
+
+    [JsonPropertyName("users")]
+    public Dictionary<string, long>? Users { get; set; } // = null!;
+
+    [JsonPropertyName("users_default")]
+    public long? UsersDefault { get; set; } = 0;
+
+    [Obsolete("Historical was a key related to MSC2716, a spec change on backfill that was dropped!", true)]
+    [JsonIgnore]
+    [JsonPropertyName("historical")]
+    public long Historical { get; set; } // = 50;
+
+    public class NotificationsPL {
+        [JsonPropertyName("room")]
+        public long Room { get; set; } = 50;
+    }
+
+    public bool IsUserAdmin(string userId) {
+        ArgumentNullException.ThrowIfNull(userId);
+        return Users.TryGetValue(userId, out var level) && level >= Events.Max(x => x.Value);
+    }
+
+    public bool UserHasTimelinePermission(string userId, string eventType) {
+        ArgumentNullException.ThrowIfNull(userId);
+        return Users.TryGetValue(userId, out var level) && level >= Events.GetValueOrDefault(eventType, EventsDefault ?? 0);
+    }
+
+    public bool UserHasStatePermission(string userId, string eventType) {
+        ArgumentNullException.ThrowIfNull(userId);
+        var userLevel = GetUserPowerLevel(userId);
+        var eventLevel = GetStateEventPowerLevel(eventType);
+        
+        Console.WriteLine($"{userId}={userLevel} >= {eventType}={eventLevel} = {userLevel >= eventLevel}");
+
+        return userLevel >= eventLevel;
+    }
+
+    public long GetUserPowerLevel(string userId) {
+        ArgumentNullException.ThrowIfNull(userId);
+        if (Users is null) return UsersDefault ?? 0;
+        return Users.TryGetValue(userId, out var level) ? level : UsersDefault ?? 0;
+    }
+
+    public long GetStateEventPowerLevel(string eventType) {
+        ArgumentNullException.ThrowIfNull(eventType);
+        if (Events is null) return StateDefault ?? 0;
+        return Events.TryGetValue(eventType, out var level) ? level : StateDefault ?? 0;
+    }
+    
+    public long GetTimelineEventPowerLevel(string eventType) {
+        ArgumentNullException.ThrowIfNull(eventType);
+        if (Events is null) return EventsDefault ?? 0;
+        return Events.TryGetValue(eventType, out var level) ? level : EventsDefault ?? 0;
+    }
+
+    public void SetUserPowerLevel(string userId, long powerLevel) {
+        ArgumentNullException.ThrowIfNull(userId);
+        Users ??= new Dictionary<string, long>();
+        Users[userId] = powerLevel;
+    }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomServerACLEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomServerACLEventContent.cs
new file mode 100644
index 0000000..506203f
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomServerACLEventContent.cs
@@ -0,0 +1,17 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class RoomServerACLEventContent : EventContent {
+    public const string EventId = "m.room.server_acl";
+
+    [JsonPropertyName("allow")]
+    public List<string>? Allow { get; set; } // = null!;
+
+    [JsonPropertyName("deny")]
+    public List<string>? Deny { get; set; } // = null!;
+
+    [JsonPropertyName("allow_ip_literals")]
+    public bool AllowIpLiterals { get; set; } // = false;
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomTopicEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomTopicEventContent.cs
new file mode 100644
index 0000000..d9e1ba9
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/RoomInfo/RoomTopicEventContent.cs
@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+[MatrixEvent(EventName = "org.matrix.msc3765.topic", Legacy = true)]
+public class RoomTopicEventContent : EventContent {
+    public const string EventId = "m.room.topic";
+
+    [JsonPropertyName("topic")]
+    public string? Topic { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/Space/SpaceChildEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/Space/SpaceChildEventContent.cs
new file mode 100644
index 0000000..bd8ff64
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/Space/SpaceChildEventContent.cs
@@ -0,0 +1,17 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class SpaceChildEventContent : EventContent {
+    public const string EventId = "m.space.child";
+
+    [JsonPropertyName("auto_join")]
+    public bool? AutoJoin { get; set; }
+
+    [JsonPropertyName("via")]
+    public List<string>? Via { get; set; }
+
+    [JsonPropertyName("suggested")]
+    public bool? Suggested { get; set; }
+}
\ No newline at end of file
diff --git a/LibMatrix.LegacyEvents.EventTypes/Spec/State/Space/SpaceParentEventContent.cs b/LibMatrix.LegacyEvents.EventTypes/Spec/State/Space/SpaceParentEventContent.cs
new file mode 100644
index 0000000..4e9903f
--- /dev/null
+++ b/LibMatrix.LegacyEvents.EventTypes/Spec/State/Space/SpaceParentEventContent.cs
@@ -0,0 +1,14 @@
+using System.Text.Json.Serialization;
+
+namespace LibMatrix.LegacyEvents.EventTypes.Spec.State;
+
+[MatrixEvent(EventName = EventId)]
+public class SpaceParentEventContent : EventContent {
+    public const string EventId = "m.space.parent";
+
+    [JsonPropertyName("via")]
+    public string[]? Via { get; set; }
+
+    [JsonPropertyName("canonical")]
+    public bool? Canonical { get; set; }
+}
\ No newline at end of file