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Merge e4641105d2 into 3a5d50f4bb

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Wave Dev 2026-03-30 12:18:41 -06:00 committed by GitHub
parent 3a5d50f4bb e4641105d2
commit 0e39d726bf
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1 changed files with 66 additions and 1 deletions
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67
DiscordChatExporter.Core/Discord/DiscordClient.cs
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@ -1,4 +1,4 @@
using System;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
@ -18,6 +18,7 @@ using JsonExtensions.Reading;
namespace DiscordChatExporter.Core.Discord;
public class DiscordClient(
string token,
RateLimitPreference rateLimitPreference = RateLimitPreference.RespectAll
@ -25,6 +26,7 @@ public class DiscordClient(
{
private readonly Uri _baseUri = new("https://discord.com/api/v10/", UriKind.Absolute);
private TokenKind? _resolvedTokenKind;
private static Dictionary<string, string>? _cachedBrowserHeaders;
private async ValueTask<HttpResponseMessage> GetResponseAsync(
string url,
@ -44,6 +46,69 @@ public class DiscordClient(
tokenKind == TokenKind.Bot ? $"Bot {token}" : token
);
// add browser headers like x-super-properties and user-agent
// discord flags requests that don't look like a real browser
if (tokenKind != TokenKind.Bot)
{
try
{
// Cache headers from the external API so we don't make this request on every call.
if (_cachedBrowserHeaders is null)
{
using var apiReq = new HttpRequestMessage(
HttpMethod.Post,
"https://cordapi.dolfi.es/api/v2/properties/web"
);
using var apiRes = await Http.Client.SendAsync(apiReq, innerCancellationToken);
apiRes.EnsureSuccessStatusCode();
var apiJson = await apiRes.Content.ReadAsStringAsync(innerCancellationToken);
using var doc = JsonDocument.Parse(apiJson);
var root = doc.RootElement;
string xspBase64 = root.GetProperty("encoded").GetString()!;
var properties = root.GetProperty("properties");
string userAgent = properties.GetProperty("browser_user_agent").GetString()!;
string browserVersion = properties.GetProperty("browser_version").GetString()!;
string osType = properties.GetProperty("os").GetString()!;
string chromeMajor = browserVersion.Split('.')[0];
var headers = new Dictionary<string, string>
{
["sec-ch-ua-platform"] = $"\"{osType}\"",
["referer"] = "https://discord.com/app",
["x-debug-options"] = "bugReporterEnabled",
["accept-language"] = "en-US,en;q=0.9",
["sec-ch-ua"] =
$"\"Chromium\";v=\"{chromeMajor}\", \"Not;A=Brand\";v=\"99\"",
["sec-ch-ua-mobile"] = "?0",
["x-discord-timezone"] = "Europe/Warsaw",
["x-context-properties"] = "eyJsb2NhdGlvbiI6Ii9hcHAifQ==",
["x-discord-locale"] = "en-US",
["user-agent"] = userAgent,
["x-super-properties"] = xspBase64,
};
_cachedBrowserHeaders = headers;
}
foreach (var kv in _cachedBrowserHeaders)
if (!request.Headers.Contains(kv.Key)) request.Headers.TryAddWithoutValidation(kv.Key, kv.Value);
}
catch {}
}
var response = await Http.Client.SendAsync(
request,
HttpCompletionOption.ResponseHeadersRead,