de.alpharogroup.user.auth.utils.CurrentUserResolver Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of auth-application Show documentation

The project that holds the spring application for save files in postgresql database

The newest version!

/**
 * The MIT License
 *
 * Copyright (C) 2015 Asterios Raptis
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
 * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package de.alpharogroup.user.auth.utils;

import java.util.Optional;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

import de.alpharogroup.user.auth.jpa.entities.Users;
import de.alpharogroup.user.auth.principal.UsersPrincipal;

public class CurrentUserResolver
{

	public static  Optional getAuthenticationPrincipal()
	{
		Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
		if (authentication == null)
		{
			return Optional.empty();
		}
		T principal = (T)authentication.getPrincipal();
		return Optional.of(principal);
	}

	public static Optional getCurrentUser()
	{
		Optional authenticationPrincipal = getAuthenticationPrincipal();
		if (authenticationPrincipal.isEmpty())
		{
			return Optional.empty();
		}
		UsersPrincipal usersPrincipal = authenticationPrincipal.get();
		return Optional.of(usersPrincipal.getUser());
	}
}