From 51223f6dc13c4bec905b35594e4efd1e7c43f189 Mon Sep 17 00:00:00 2001
From: Berkecan <40901692+Berkecann@users.noreply.github.com>
Date: Sun, 13 Sep 2026 05:56:18 +0300
Subject: [PATCH] Add ManifestDeX manifest provider

---
 opensteamtool.example.toml                 |  1 +
 src/Utils/SteamMetadata/ManifestClient.cpp | 10 +++++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/opensteamtool.example.toml b/opensteamtool.example.toml
index 574a8f75..532f2799 100644
--- a/opensteamtool.example.toml
+++ b/opensteamtool.example.toml
@@ -10,6 +10,7 @@ level = "debug"
 [manifest]
 # Which upstream API to query for depot manifest request codes.
 #   "opensteamtool" → https://manifest.opensteamtool.com/{gid}   (default)
+#   "manifestdex"   → https://manifest.manifestdex.com/{gid}
 #   "wudrm"         → http://gmrc.wudrm.com/manifest/{gid} (recommended for China users)
 #   "steamrun"      → https://manifest.steam.run/api/manifest/{gid}
 # If <Steam>/config/lua/manifest.lua defines fetch_manifest_code(gid) or
diff --git a/src/Utils/SteamMetadata/ManifestClient.cpp b/src/Utils/SteamMetadata/ManifestClient.cpp
index 7cef98bc..5a775b80 100644
--- a/src/Utils/SteamMetadata/ManifestClient.cpp
+++ b/src/Utils/SteamMetadata/ManifestClient.cpp
@@ -42,14 +42,18 @@ namespace ManifestClient {
         std::string_view name;          // matches [manifest] url = "..."
         const char*      urlTemplate;   // full literal with one %llu — for log & path
         Parser           parse;
+        const wchar_t*   headers;
     };
 
-    consteval Provider Make(std::string_view name, const char* url, Parser parse) {
-        return {name, url, parse};
+    consteval Provider Make(std::string_view name, const char* url, Parser parse,
+                            const wchar_t* headers = nullptr) {
+        return {name, url, parse, headers};
     }
 
     static constexpr Provider kProviders[] = {
         Make("opensteamtool", "https://manifest.opensteamtool.com/%llu",       ParsePlainUint),
+        Make("manifestdex",   "https://manifest.manifestdex.com/%llu",         ParsePlainUint,
+             L"User-Agent: ManifestDeX/1.0\r\n"),
         Make("wudrm",         "http://gmrc.wudrm.com/manifest/%llu",           ParsePlainUint),
         Make("steamrun",      "https://manifest.steam.run/api/manifest/%llu",  ParseSteamRunJson),
     };
@@ -92,7 +96,7 @@ namespace ManifestClient {
             urlLog,
             nullptr,
             0,
-            nullptr,
+            p.headers,
             timeouts.resolve,
             timeouts.connect,
             timeouts.send,