diff --git a/LibMatrix/Extensions/ClassCollector.cs b/LibMatrix/Extensions/ClassCollector.cs
new file mode 100644
index 0000000..f53850a
--- /dev/null
+++ b/LibMatrix/Extensions/ClassCollector.cs
@@ -0,0 +1,22 @@
+using System.Reflection;
+
+namespace LibMatrix.Extensions;
+
+public class ClassCollector<T> where T : class {
+ static ClassCollector() {
+ if (!typeof(T).IsInterface)
+ throw new ArgumentException(
+ $"ClassCollector<T> must be used with an interface type. Passed type: {typeof(T).Name}");
+ }
+
+ public List<Type> ResolveFromAllAccessibleAssemblies() => AppDomain.CurrentDomain.GetAssemblies().SelectMany(ResolveFromAssembly).ToList();
+
+ public List<Type> ResolveFromObjectReference(object obj) => ResolveFromTypeReference(obj.GetType());
+
+ public List<Type> ResolveFromTypeReference(Type t) => Assembly.GetAssembly(t)?.GetReferencedAssemblies().SelectMany(ResolveFromAssemblyName).ToList() ?? new List<Type>();
+
+ public List<Type> ResolveFromAssemblyName(AssemblyName assemblyName) => ResolveFromAssembly(Assembly.Load(assemblyName));
+
+ public List<Type> ResolveFromAssembly(Assembly assembly) => assembly.GetTypes()
+ .Where(x => x is { IsClass: true, IsAbstract: false } && x.GetInterfaces().Contains(typeof(T))).ToList();
+}
diff --git a/LibMatrix/Extensions/DictionaryExtensions.cs b/LibMatrix/Extensions/DictionaryExtensions.cs
new file mode 100644
index 0000000..fbc5cf5
--- /dev/null
+++ b/LibMatrix/Extensions/DictionaryExtensions.cs
@@ -0,0 +1,33 @@
+namespace LibMatrix.Extensions;
+
+public static class DictionaryExtensions {
+ public static bool ChangeKey<TKey, TValue>(this IDictionary<TKey, TValue> dict,
+ TKey oldKey, TKey newKey) {
+ TValue value;
+ if (!dict.Remove(oldKey, out value))
+ return false;
+
+ dict[newKey] = value; // or dict.Add(newKey, value) depending on ur comfort
+ return true;
+ }
+
+ public static Y GetOrCreate<X, Y>(this IDictionary<X, Y> dict, X key) where Y : new() {
+ if (dict.TryGetValue(key, out var value)) {
+ return value;
+ }
+
+ value = new Y();
+ dict.Add(key, value);
+ return value;
+ }
+
+ public static Y GetOrCreate<X, Y>(this IDictionary<X, Y> dict, X key, Func<X, Y> valueFactory) {
+ if (dict.TryGetValue(key, out var value)) {
+ return value;
+ }
+
+ value = valueFactory(key);
+ dict.Add(key, value);
+ return value;
+ }
+}
diff --git a/LibMatrix/Extensions/HttpClientExtensions.cs b/LibMatrix/Extensions/HttpClientExtensions.cs
new file mode 100644
index 0000000..797a077
--- /dev/null
+++ b/LibMatrix/Extensions/HttpClientExtensions.cs
@@ -0,0 +1,76 @@
+using System.Net.Http.Headers;
+using System.Reflection;
+using System.Text.Json;
+
+namespace LibMatrix.Extensions;
+
+public static class HttpClientExtensions {
+ public static async Task<bool> CheckSuccessStatus(this HttpClient hc, string url) {
+ //cors causes failure, try to catch
+ try {
+ var resp = await hc.GetAsync(url);
+ return resp.IsSuccessStatusCode;
+ }
+ catch (Exception e) {
+ Console.WriteLine($"Failed to check success status: {e.Message}");
+ return false;
+ }
+ }
+}
+
+public class MatrixHttpClient : HttpClient {
+ public override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request,
+ CancellationToken cancellationToken) {
+ Console.WriteLine($"Sending request to {request.RequestUri}");
+ try {
+ HttpRequestOptionsKey<bool> WebAssemblyEnableStreamingResponseKey =
+ new HttpRequestOptionsKey<bool>("WebAssemblyEnableStreamingResponse");
+ request.Options.Set(WebAssemblyEnableStreamingResponseKey, true);
+ }
+ catch (Exception e) {
+ Console.WriteLine("Failed to set browser response streaming:");
+ Console.WriteLine(e);
+ }
+
+ var a = await base.SendAsync(request, cancellationToken);
+ if (!a.IsSuccessStatusCode) {
+ var content = await a.Content.ReadAsStringAsync(cancellationToken);
+ if (content.StartsWith('{')) {
+ var ex = JsonSerializer.Deserialize<MatrixException>(content);
+ ex.RawContent = content;
+ // Console.WriteLine($"Failed to send request: {ex}");
+ if (ex?.RetryAfterMs is not null) {
+ await Task.Delay(ex.RetryAfterMs.Value, cancellationToken);
+ typeof(HttpRequestMessage).GetField("_sendStatus", BindingFlags.NonPublic | BindingFlags.Instance)
+ ?.SetValue(request, 0);
+ return await SendAsync(request, cancellationToken);
+ }
+
+ throw ex!;
+ }
+
+ throw new InvalidDataException("Encountered invalid data:\n" + content);
+ }
+
+ return a;
+ }
+
+ // GetFromJsonAsync
+ public async Task<T> GetFromJsonAsync<T>(string requestUri, CancellationToken cancellationToken = default) {
+ var request = new HttpRequestMessage(HttpMethod.Get, requestUri);
+ request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+ var response = await SendAsync(request, cancellationToken);
+ response.EnsureSuccessStatusCode();
+ await using var responseStream = await response.Content.ReadAsStreamAsync(cancellationToken);
+ return await JsonSerializer.DeserializeAsync<T>(responseStream, cancellationToken: cancellationToken);
+ }
+
+ // GetStreamAsync
+ public async Task<Stream> GetStreamAsync(string requestUri, CancellationToken cancellationToken = default) {
+ var request = new HttpRequestMessage(HttpMethod.Get, requestUri);
+ request.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+ var response = await SendAsync(request, cancellationToken);
+ response.EnsureSuccessStatusCode();
+ return await response.Content.ReadAsStreamAsync(cancellationToken);
+ }
+}
diff --git a/LibMatrix/Extensions/IEnumerableExtensions.cs b/LibMatrix/Extensions/IEnumerableExtensions.cs
new file mode 100644
index 0000000..8124947
--- /dev/null
+++ b/LibMatrix/Extensions/IEnumerableExtensions.cs
@@ -0,0 +1,7 @@
+namespace LibMatrix.Extensions;
+
+[AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+public class MatrixEventAttribute : Attribute {
+ public string EventName { get; set; }
+ public bool Legacy { get; set; }
+}
diff --git a/LibMatrix/Extensions/JsonElementExtensions.cs b/LibMatrix/Extensions/JsonElementExtensions.cs
new file mode 100644
index 0000000..caf96e1
--- /dev/null
+++ b/LibMatrix/Extensions/JsonElementExtensions.cs
@@ -0,0 +1,150 @@
+using System.Reflection;
+using System.Text.Json;
+using System.Text.Json.Nodes;
+using System.Text.Json.Serialization;
+using LibMatrix.Responses;
+
+namespace LibMatrix.Extensions;
+
+public static class JsonElementExtensions {
+ public static bool FindExtraJsonElementFields(this JsonElement obj, Type objectType, string objectPropertyName) {
+ if (objectPropertyName == "content" && objectType == typeof(JsonObject))
+ objectType = typeof(StateEventResponse);
+ // if (t == typeof(JsonNode))
+ // return false;
+
+ Console.WriteLine($"{objectType.Name} {objectPropertyName}");
+ bool unknownPropertyFound = false;
+ var mappedPropsDict = objectType.GetProperties()
+ .Where(x => x.GetCustomAttribute<JsonPropertyNameAttribute>() is not null)
+ .ToDictionary(x => x.GetCustomAttribute<JsonPropertyNameAttribute>()!.Name, x => x);
+ objectType.GetProperties().Where(x => !mappedPropsDict.ContainsKey(x.Name))
+ .ToList().ForEach(x => mappedPropsDict.TryAdd(x.Name, x));
+
+ foreach (var field in obj.EnumerateObject()) {
+ if (mappedPropsDict.TryGetValue(field.Name, out var mappedProperty)) {
+ //dictionary
+ if (mappedProperty.PropertyType.IsGenericType &&
+ mappedProperty.PropertyType.GetGenericTypeDefinition() == typeof(Dictionary<,>)) {
+ unknownPropertyFound |= _checkDictionary(field, objectType, mappedProperty.PropertyType);
+ continue;
+ }
+
+ if (mappedProperty.PropertyType.IsGenericType &&
+ mappedProperty.PropertyType.GetGenericTypeDefinition() == typeof(List<>)) {
+ unknownPropertyFound |= _checkList(field, objectType, mappedProperty.PropertyType);
+ continue;
+ }
+
+ if (field.Name == "content" && (objectType == typeof(StateEventResponse) || objectType == typeof(StateEvent))) {
+ unknownPropertyFound |= field.FindExtraJsonPropertyFieldsByValueKind(
+ StateEvent.GetStateEventType(obj.GetProperty("type").GetString()),
+ mappedProperty.PropertyType);
+ continue;
+ }
+
+ unknownPropertyFound |=
+ field.FindExtraJsonPropertyFieldsByValueKind(objectType, mappedProperty.PropertyType);
+ continue;
+ }
+
+ Console.WriteLine($"[!!] Unknown property {field.Name} in {objectType.Name}!");
+ unknownPropertyFound = true;
+ }
+
+ return unknownPropertyFound;
+ }
+
+ private static bool FindExtraJsonPropertyFieldsByValueKind(this JsonProperty field, Type containerType,
+ Type propertyType) {
+ if (propertyType.IsGenericType && propertyType.GetGenericTypeDefinition() == typeof(Nullable<>)) {
+ propertyType = propertyType.GetGenericArguments()[0];
+ }
+
+ bool switchResult = false;
+ switch (field.Value.ValueKind) {
+ case JsonValueKind.Array:
+ switchResult = field.Value.EnumerateArray().Aggregate(switchResult,
+ (current, element) => current | element.FindExtraJsonElementFields(propertyType, field.Name));
+ break;
+ case JsonValueKind.Object:
+ switchResult |= field.Value.FindExtraJsonElementFields(propertyType, field.Name);
+ break;
+ case JsonValueKind.True:
+ case JsonValueKind.False:
+ return _checkBool(field, containerType, propertyType);
+ case JsonValueKind.String:
+ return _checkString(field, containerType, propertyType);
+ case JsonValueKind.Number:
+ return _checkNumber(field, containerType, propertyType);
+ case JsonValueKind.Undefined:
+ case JsonValueKind.Null:
+ break;
+ default:
+ throw new ArgumentOutOfRangeException();
+ }
+
+ return switchResult;
+ }
+
+ private static bool _checkBool(this JsonProperty field, Type containerType, Type propertyType) {
+ if (propertyType == typeof(bool)) return true;
+ Console.WriteLine(
+ $"[!!] Encountered bool for {field.Name} in {containerType.Name}, the class defines {propertyType.Name}!");
+ return false;
+ }
+
+ private static bool _checkString(this JsonProperty field, Type containerType, Type propertyType) {
+ if (propertyType == typeof(string)) return true;
+ // ReSharper disable once BuiltInTypeReferenceStyle
+ if (propertyType == typeof(String)) return true;
+ Console.WriteLine(
+ $"[!!] Encountered string for {field.Name} in {containerType.Name}, the class defines {propertyType.Name}!");
+ return false;
+ }
+
+ private static bool _checkNumber(this JsonProperty field, Type containerType, Type propertyType) {
+ if (propertyType == typeof(int) ||
+ propertyType == typeof(double) ||
+ propertyType == typeof(float) ||
+ propertyType == typeof(decimal) ||
+ propertyType == typeof(long) ||
+ propertyType == typeof(short) ||
+ propertyType == typeof(uint) ||
+ propertyType == typeof(ulong) ||
+ propertyType == typeof(ushort) ||
+ propertyType == typeof(byte) ||
+ propertyType == typeof(sbyte))
+ return true;
+ Console.WriteLine(
+ $"[!!] Encountered number for {field.Name} in {containerType.Name}, the class defines {propertyType.Name}!");
+ return false;
+ }
+
+ private static bool _checkDictionary(this JsonProperty field, Type containerType, Type propertyType) {
+ var keyType = propertyType.GetGenericArguments()[0];
+ var valueType = propertyType.GetGenericArguments()[1];
+ valueType = Nullable.GetUnderlyingType(valueType) ?? valueType;
+ Console.WriteLine(
+ $"Encountered dictionary {field.Name} with key type {keyType.Name} and value type {valueType.Name}!");
+
+ return field.Value.EnumerateObject()
+ .Where(key => !valueType.IsPrimitive && valueType != typeof(string))
+ .Aggregate(false, (current, key) =>
+ current | key.FindExtraJsonPropertyFieldsByValueKind(containerType, valueType)
+ );
+ }
+
+ private static bool _checkList(this JsonProperty field, Type containerType, Type propertyType) {
+ var valueType = propertyType.GetGenericArguments()[0];
+ valueType = Nullable.GetUnderlyingType(valueType) ?? valueType;
+ Console.WriteLine(
+ $"Encountered list {field.Name} with value type {valueType.Name}!");
+
+ return field.Value.EnumerateArray()
+ .Where(key => !valueType.IsPrimitive && valueType != typeof(string))
+ .Aggregate(false, (current, key) =>
+ current | key.FindExtraJsonElementFields(valueType, field.Name)
+ );
+ }
+}
diff --git a/LibMatrix/Extensions/ObjectExtensions.cs b/LibMatrix/Extensions/ObjectExtensions.cs
new file mode 100644
index 0000000..085de7d
--- /dev/null
+++ b/LibMatrix/Extensions/ObjectExtensions.cs
@@ -0,0 +1,14 @@
+using System.Text.Encodings.Web;
+using System.Text.Json;
+
+namespace LibMatrix.Extensions;
+
+public static class ObjectExtensions {
+ public static string ToJson(this object obj, bool indent = true, bool ignoreNull = false, bool unsafeContent = false) {
+ var jso = new JsonSerializerOptions();
+ if (indent) jso.WriteIndented = true;
+ if (ignoreNull) jso.IgnoreNullValues = true;
+ if (unsafeContent) jso.Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping;
+ return JsonSerializer.Serialize(obj, jso);
+ }
+}
diff --git a/LibMatrix/Extensions/StringExtensions.cs b/LibMatrix/Extensions/StringExtensions.cs
new file mode 100644
index 0000000..491fa77
--- /dev/null
+++ b/LibMatrix/Extensions/StringExtensions.cs
@@ -0,0 +1,13 @@
+namespace LibMatrix.Extensions;
+
+public static class StringExtensions {
+ // public static async Task<string> GetMediaUrl(this string MxcUrl)
+ // {
+ // //MxcUrl: mxc://rory.gay/ocRVanZoUTCcifcVNwXgbtTg
+ // //target: https://matrix.rory.gay/_matrix/media/v3/download/rory.gay/ocRVanZoUTCcifcVNwXgbtTg
+ //
+ // var server = MxcUrl.Split('/')[2];
+ // var mediaId = MxcUrl.Split('/')[3];
+ // return $"{(await new RemoteHomeServer(server).Configure()).FullHomeServerDomain}/_matrix/media/v3/download/{server}/{mediaId}";
+ // }
+}
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