Replace master branch with local files

backend/src/services/AuthService.h

@@ -0,0 +1,63 @@
+#pragma once
+#include <drogon/drogon.h>
+#include <bcrypt/BCrypt.hpp>
+#include <jwt-cpp/jwt.h>
+#include <string>
+#include <memory>
+
+struct UserInfo {
+    int64_t id;
+    std::string username;
+    bool isAdmin;
+    bool isStreamer;
+    bool isPgpOnly;
+    std::string bio;
+    std::string avatarUrl;
+    std::string pgpOnlyEnabledAt;
+};
+
+class AuthService {
+public:
+    static AuthService& getInstance() {
+        static AuthService instance;
+        return instance;
+    }
+    
+    // User registration
+    void registerUser(const std::string& username, const std::string& password,
+                     const std::string& publicKey, const std::string& fingerprint,
+                     std::function<void(bool success, const std::string& error, int64_t userId)> callback);
+    
+    // User login with password
+    void loginUser(const std::string& username, const std::string& password,
+                  std::function<void(bool success, const std::string& token, const UserInfo& user)> callback);
+    
+    // User login with PGP (returns challenge)
+    void initiatePgpLogin(const std::string& username,
+                         std::function<void(bool success, const std::string& challenge, const std::string& publicKey)> callback);
+    
+    // Verify PGP signature
+    void verifyPgpLogin(const std::string& username, const std::string& signature, const std::string& challenge,
+                       std::function<void(bool success, const std::string& token, const UserInfo& user)> callback);
+    
+    // Validate JWT token
+    bool validateToken(const std::string& token, UserInfo& userInfo);
+    
+    // Update password
+    void updatePassword(int64_t userId, const std::string& oldPassword, const std::string& newPassword,
+                       std::function<void(bool success, const std::string& error)> callback);
+    
+    // Check password requirements
+    bool validatePassword(const std::string& password, std::string& error);
+    
+    // Generate JWT token
+    std::string generateToken(const UserInfo& user);
+
+private:
+    AuthService() = default;
+    ~AuthService() = default;
+    AuthService(const AuthService&) = delete;
+    AuthService& operator=(const AuthService&) = delete;
+    
+    std::string jwtSecret_;
+};