Radicade Public Code

Server/Discord/ReportDiscord.cs

@@ -0,0 +1,91 @@
+using System.Net.Http.Headers;
+using System.Text;
+
+namespace RadicadeServer.Radicade.Discord;
+
+
+
+
+
+
+
+
+
+
+
+
+
+public static class ReportDiscord
+{
+	private static readonly HttpClient Http = CreateHttpClient();
+
+	private static HttpClient CreateHttpClient()
+	{
+		var client = new HttpClient { Timeout = TimeSpan.FromSeconds(30) };
+		client.DefaultRequestHeaders.UserAgent.ParseAdd("DiscordBot (https://radicade.app, 1.0)");
+		return client;
+	}
+
+
+	public sealed record DiscordAttachment(string Filename, byte[] Data, string MimeType);
+
+	public static void SendAsync(string webhookUrl, string content, DiscordPayload payload)
+		=> SendAsync(webhookUrl, content, payload, null, null);
+
+	public static void SendAsync(string webhookUrl, string content, DiscordPayload payload,
+		IReadOnlyList<DiscordAttachment>? attachments, string? embedImageUrl = null)
+	{
+		if (string.IsNullOrWhiteSpace(webhookUrl)) return;
+
+		_ = Task.Run(async () =>
+		{
+			try
+			{
+				using var response = attachments is { Count: > 0 }
+					? await PostWithFilesAsync(webhookUrl, content, payload, attachments, embedImageUrl)
+					: await PostJsonAsync(webhookUrl, content, payload, embedImageUrl);
+
+				if (!response.IsSuccessStatusCode)
+				{
+					var errorBody = await response.Content.ReadAsStringAsync();
+				}
+			}
+			catch (Exception)
+			{
+			}
+		});
+	}
+
+	private static async Task<HttpResponseMessage> PostJsonAsync(string url, string content, DiscordPayload payload, string? embedImageUrl)
+	{
+		var body = DiscordPayloadJson.Build(payload, content, embedImageUrl);
+		using var request = new HttpRequestMessage(HttpMethod.Post, url);
+		request.Content = new StringContent(body, Encoding.UTF8, "application/json");
+		return await Http.SendAsync(request);
+	}
+
+	private static async Task<HttpResponseMessage> PostWithFilesAsync(string url, string content, DiscordPayload payload,
+		IReadOnlyList<DiscordAttachment> attachments, string? embedImageUrl)
+	{
+		var json = DiscordPayloadJson.Build(payload, content, embedImageUrl);
+		using var form = new MultipartFormDataContent();
+		form.Add(new StringContent(json, Encoding.UTF8, "application/json"), "payload_json");
+		for (int i = 0; i < attachments.Count; i++)
+		{
+			var file = new ByteArrayContent(attachments[i].Data);
+			file.Headers.ContentType = new MediaTypeHeaderValue(attachments[i].MimeType);
+			form.Add(file, $"files[{i}]", attachments[i].Filename);
+		}
+		return await Http.PostAsync(url, form);
+	}
+
+	private static string Truncate(string value, int max)
+	{
+		if (string.IsNullOrEmpty(value)) return "";
+		if (value.Length <= max) return value;
+		var cut = max;
+		if (char.IsHighSurrogate(value[cut - 1]) && cut < value.Length && char.IsLowSurrogate(value[cut]))
+			cut--;
+		return value[..cut];
+	}
+}