Initial commit: wowee native WoW 3.3.5a client

include/auth/auth_handler.hpp

@@ -0,0 +1,96 @@
+#pragma once
+
+#include "auth/srp.hpp"
+#include "auth/auth_packets.hpp"
+#include <memory>
+#include <string>
+#include <functional>
+
+namespace wowee {
+namespace network { class TCPSocket; class Packet; }
+
+namespace auth {
+
+struct Realm;
+
+// Authentication state
+enum class AuthState {
+    DISCONNECTED,
+    CONNECTED,
+    CHALLENGE_SENT,
+    CHALLENGE_RECEIVED,
+    PROOF_SENT,
+    AUTHENTICATED,
+    REALM_LIST_REQUESTED,
+    REALM_LIST_RECEIVED,
+    FAILED
+};
+
+// Authentication callbacks
+using AuthSuccessCallback = std::function<void(const std::vector<uint8_t>& sessionKey)>;
+using AuthFailureCallback = std::function<void(const std::string& reason)>;
+using RealmListCallback = std::function<void(const std::vector<Realm>& realms)>;
+
+class AuthHandler {
+public:
+    AuthHandler();
+    ~AuthHandler();
+
+    // Connection
+    bool connect(const std::string& host, uint16_t port = 3724);
+    void disconnect();
+    bool isConnected() const;
+
+    // Authentication
+    void authenticate(const std::string& username, const std::string& password);
+
+    // Realm list
+    void requestRealmList();
+    const std::vector<Realm>& getRealms() const { return realms; }
+
+    // State
+    AuthState getState() const { return state; }
+    const std::vector<uint8_t>& getSessionKey() const { return sessionKey; }
+
+    // Callbacks
+    void setOnSuccess(AuthSuccessCallback callback) { onSuccess = callback; }
+    void setOnFailure(AuthFailureCallback callback) { onFailure = callback; }
+    void setOnRealmList(RealmListCallback callback) { onRealmList = callback; }
+
+    // Update (call each frame)
+    void update(float deltaTime);
+
+private:
+    void sendLogonChallenge();
+    void handleLogonChallengeResponse(network::Packet& packet);
+    void sendLogonProof();
+    void handleLogonProofResponse(network::Packet& packet);
+    void sendRealmListRequest();
+    void handleRealmListResponse(network::Packet& packet);
+    void handlePacket(network::Packet& packet);
+
+    void setState(AuthState newState);
+    void fail(const std::string& reason);
+
+    std::unique_ptr<network::TCPSocket> socket;
+    std::unique_ptr<SRP> srp;
+
+    AuthState state = AuthState::DISCONNECTED;
+    std::string username;
+    std::string password;
+    ClientInfo clientInfo;
+
+    std::vector<uint8_t> sessionKey;
+    std::vector<Realm> realms;
+
+    // Callbacks
+    AuthSuccessCallback onSuccess;
+    AuthFailureCallback onFailure;
+    RealmListCallback onRealmList;
+
+    // Receive buffer
+    std::vector<uint8_t> receiveBuffer;
+};
+
+} // namespace auth
+} // namespace wowee