1 files changed, 69 insertions, 0 deletions
diff --git a/library/cpp/tvmauth/client/misc/tool/meta_info.h b/library/cpp/tvmauth/client/misc/tool/meta_info.h
new file mode 100644
index 0000000000..9dd4f0dbf8
--- /dev/null
+++ b/library/cpp/tvmauth/client/misc/tool/meta_info.h
@@ -0,0 +1,69 @@
+#pragma once
+
+#include "settings.h"
+
+#include <library/cpp/tvmauth/client/misc/utils.h>
+
+#include <library/cpp/tvmauth/client/logger.h>
+
+#include <library/cpp/http/simple/http_client.h>
+
+namespace NTvmAuth::NTvmTool {
+    class TMetaInfo {
+    public:
+        using TDstAliases = THashMap<TClientSettings::TAlias, TTvmId>;
+
+        struct TConfig {
+            TTvmId SelfTvmId = 0;
+            EBlackboxEnv BbEnv = EBlackboxEnv::Prod;
+            TString IdmSlug;
+            TDstAliases DstAliases;
+
+            bool AreTicketsRequired() const {
+                return !DstAliases.empty();
+            }
+
+            TString ToString() const;
+
+            bool operator==(const TConfig& c) const {
+                return SelfTvmId == c.SelfTvmId &&
+                       BbEnv == c.BbEnv &&
+                       IdmSlug == c.IdmSlug &&
+                       DstAliases == c.DstAliases;
+            }
+        };
+        using TConfigPtr = std::shared_ptr<TConfig>;
+
+    public:
+        TMetaInfo(TLoggerPtr logger);
+
+        TConfigPtr Init(TKeepAliveHttpClient& client,
+                        const TClientSettings& settings);
+
+        static TString GetRequestForTickets(const TMetaInfo::TConfig& config);
+
+        const TKeepAliveHttpClient::THeaders& GetAuthHeader() const {
+            return AuthHeader_;
+        }
+
+        TConfigPtr GetConfig() const {
+            return Config_.Get();
+        }
+
+        bool TryUpdateConfig(TKeepAliveHttpClient& client);
+
+    protected:
+        void TryPing(TKeepAliveHttpClient& client);
+        TString Fetch(TKeepAliveHttpClient& client) const;
+        static TConfigPtr ParseMetaString(const TString& meta, const TString& self);
+        void ApplySettings(const TClientSettings& settings);
+        static EBlackboxEnv BbEnvFromString(const TString& env, const TString& meta);
+
+    protected:
+        NUtils::TProtectedValue<TConfigPtr> Config_;
+        TKeepAliveHttpClient::THeaders AuthHeader_;
+
+        TLoggerPtr Logger_;
+        TString SelfAlias_;
+    };
+}