From eccc481b4479a0ca16511b5c00befbb5ece666b3 Mon Sep 17 00:00:00 2001
From: Wave Dev <66224387+wavedevgit@users.noreply.github.com>
Date: Fri, 13 Mar 2026 11:15:31 +0000
Subject: [PATCH] Cache headers

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
---
 .../Discord/DiscordClient.cs                  | 84 ++++++++++---------
 1 file changed, 46 insertions(+), 38 deletions(-)

diff --git a/DiscordChatExporter.Core/Discord/DiscordClient.cs b/DiscordChatExporter.Core/Discord/DiscordClient.cs
index 287117c4..70708977 100644
--- a/DiscordChatExporter.Core/Discord/DiscordClient.cs
+++ b/DiscordChatExporter.Core/Discord/DiscordClient.cs
@@ -75,51 +75,59 @@ public class DiscordClient(
             {
                 try
                 {
-                    using var apiReq = new HttpRequestMessage(
-                        HttpMethod.Post,
-                        "https://cordapi.dolfi.es/api/v2/properties/web"
-                    );
+                    // Cache headers from the external API so we don't make this request on every call.
+                    static Dictionary<string, string>? cachedHeaders;
 
-                    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 = proprties.GetProperty("user_agent").GetString()!;
-                    string browserVersion = proprties.GetProperty("browser_version").GetString()!;
-                    string osType = properties.GetProperty("os").GetString()!;
-
-                    string chromeMajor = browserVersion.Split('.')[0];
-
-                    var headers = new Dictionary<string, string>
+                    if (cachedHeaders is null)
                     {
-                        ["sec-ch-ua-platform"] = $"\"{osType}\"",
-                        ["referer"] = "https://discord.com/app",
-                        ["x-debug-options"] = "bugReporterEnabled",
-                        ["accept-language"] = "en-US,en;q=0.9",
+                        using var apiReq = new HttpRequestMessage(
+                            HttpMethod.Post,
+                            "https://cordapi.dolfi.es/api/v2/properties/web"
+                        );
 
-                        ["sec-ch-ua"] =
-                            $"\"Chromium\";v=\"{chromeMajor}\", \"Not;A=Brand\";v=\"99\"",
+                        using var apiRes = await Http.Client.SendAsync(apiReq, innerCancellationToken);
+                        apiRes.EnsureSuccessStatusCode();
 
-                        ["sec-ch-ua-mobile"] = "?0",
+                        var apiJson = await apiRes.Content.ReadAsStringAsync(innerCancellationToken);
 
-                        ["x-discord-timezone"] = "Europe/Warsaw",
-                        ["x-context-properties"] = "eyJsb2NhdGlvbiI6Ii9hcHAifQ==",
-                        ["x-discord-locale"] = "en-US",
+                        using var doc = JsonDocument.Parse(apiJson);
 
-                        ["user-agent"] = userAgent,
-                        ["x-super-properties"] = xspBase64,
-                    };
+                        var root = doc.RootElement;
 
-                    foreach (var kv in headers)
+                        string xspBase64 = root.GetProperty("encoded").GetString()!;
+
+                        var properties = root.GetProperty("properties");
+
+                        string userAgent = properties.GetProperty("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,
+                        };
+
+                        cachedHeaders = headers;
+                    }
+
+                    foreach (var kv in cachedHeaders)
                         request.Headers.TryAddWithoutValidation(kv.Key, kv.Value);
                 }
                 catch { }