ufund-api/src/main/java/com/ufund/api/ufundapi/service/AuthService.java


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package com.ufund.api.ufundapi.service;

import com.ufund.api.ufundapi.model.UserAuth;
import com.ufund.api.ufundapi.persistence.UserAuthDAO;
import org.springframework.stereotype.Component;

import java.io.IOException;

@Component
public class AuthService {

    private final UserAuthDAO userAuthDAO;
    private final UserService userService;

    public AuthService(UserAuthDAO userAuthDAO, UserService userService) {
        this.userAuthDAO = userAuthDAO;
        this.userService = userService;
    }

    public UserAuth getUserAuth(String key) {
        return userAuthDAO.getUserAuth(key);
    }

    public void authenticate(String username, String key) throws IllegalAccessException {
        var userAuth = getUserAuth(key);
        if (userAuth == null || !userAuth.getUsername().equals(username)) {
            throw new IllegalAccessException("Unauthorized");
        }
    }

    public String login(String username, String password) throws IllegalAccessException, IOException {
        var usr = userService.getUser(username);
        if (usr == null || !usr.verifyPassword(password)) {
            throw new IllegalAccessException("Unauthorized");
        }
        var userAuth = UserAuth.generate(username);
        userAuthDAO.addUserAuth(userAuth);
        return userAuth.getKey();
    }

}