1 files changed, 112 insertions, 0 deletions
diff --git a/NorthstarDLL/serverauthentication.h b/NorthstarDLL/serverauthentication.h
new file mode 100644
index 00000000..e79577e6
--- /dev/null
+++ b/NorthstarDLL/serverauthentication.h
@@ -0,0 +1,112 @@
+#pragma once
+#include "convar.h"
+#include "httplib.h"
+#include <unordered_map>
+#include <string>
+
+struct AuthData
+{
+	char uid[33];
+	char username[64];
+
+	// pdata
+	char* pdata;
+	size_t pdataSize;
+};
+
+struct AdditionalPlayerData
+{
+	bool usingLocalPdata;
+	size_t pdataSize;
+	bool needPersistenceWriteOnLeave = true;
+
+	double lastClientCommandQuotaStart = -1.0;
+	int numClientCommandsInQuota = 0;
+
+	double lastNetChanProcessingLimitStart = -1.0;
+	double netChanProcessingLimitTime = 0.0;
+
+	double lastSayTextLimitStart = -1.0;
+	int sayTextLimitCount = 0;
+
+	uint64_t uid;
+};
+
+#pragma once
+typedef enum
+{
+	NA_NULL = 0,
+	NA_LOOPBACK,
+	NA_IP,
+} netadrtype_t;
+
+#pragma pack(push, 1)
+typedef struct netadr_s
+{
+	netadrtype_t type;
+	unsigned char ip[16]; // IPv6
+	// IPv4's 127.0.0.1 is [::ffff:127.0.0.1], that is:
+	// 00 00 00 00 00 00 00 00    00 00 FF FF 7F 00 00 01
+	unsigned short port;
+} netadr_t;
+#pragma pack(pop)
+
+#pragma pack(push, 1)
+typedef struct netpacket_s
+{
+	netadr_t adr; // sender address
+	// int				source;		// received source
+	char unk[10];
+	double received_time;
+	unsigned char* data; // pointer to raw packet data
+	void* message; // easy bitbuf data access // 'inpacket.message' etc etc (pointer)
+	char unk2[16];
+	int size;
+
+	// bf_read			message;	// easy bitbuf data access // 'inpacket.message' etc etc (pointer)
+	// int				size;		// size in bytes
+	// int				wiresize;   // size in bytes before decompression
+	// bool			stream;		// was send as stream
+	// struct netpacket_s* pNext;	// for internal use, should be NULL in public
+} netpacket_t;
+#pragma pack(pop)
+
+struct UnconnectedPlayerSendData
+{
+	char ip[16];
+	double lastQuotaStart = 0.0;
+	int packetCount = 0;
+	double timeoutEnd = -1.0;
+};
+
+class ServerAuthenticationManager
+{
+  private:
+	httplib::Server m_playerAuthServer;
+
+  public:
+	std::mutex m_authDataMutex;
+	std::unordered_map<std::string, AuthData> m_authData;
+	std::unordered_map<void*, AdditionalPlayerData> m_additionalPlayerData;
+	std::vector<UnconnectedPlayerSendData> m_unconnectedPlayerSendData;
+	bool m_runningPlayerAuthThread = false;
+	bool m_bNeedLocalAuthForNewgame = false;
+	bool m_bForceReadLocalPlayerPersistenceFromDisk = false;
+
+  public:
+	void StartPlayerAuthServer();
+	void StopPlayerAuthServer();
+	bool AuthenticatePlayer(void* player, int64_t uid, char* authToken);
+	char* VerifyPlayerName(void* player, char* authToken, char* name);
+	bool RemovePlayerAuthData(void* player);
+	void WritePersistentData(void* player);
+	bool CheckPlayerChatRatelimit(void* player);
+};
+
+typedef void (*CBaseClient__DisconnectType)(void* self, uint32_t unknownButAlways1, const char* reason, ...);
+extern CBaseClient__DisconnectType CBaseClient__Disconnect;
+
+void InitialiseServerAuthentication(HMODULE baseAddress);
+
+extern ServerAuthenticationManager* g_ServerAuthenticationManager;
+extern ConVar* Cvar_ns_player_auth_port;