Java tutorial
/* * Copyright 2016 Lime - HighTech Solutions s.r.o. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package io.getlime.security.powerauth.rest.api.spring.entrypoint; import com.fasterxml.jackson.databind.ObjectMapper; import io.getlime.security.powerauth.rest.api.model.base.PowerAuthApiResponse; import org.springframework.security.core.AuthenticationException; import org.springframework.security.web.AuthenticationEntryPoint; import org.springframework.stereotype.Service; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; /** * Default PowerAuth authentication entry-point implementation. * * @author Petr Dvorak, petr@lime-company.eu * */ @Service public class PowerAuthApiAuthenticationEntryPoint implements AuthenticationEntryPoint { @Override public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException { PowerAuthApiResponse<String> errorResponse = new PowerAuthApiResponse<>("ERROR", "Authentication failed"); response.setContentType("application/json"); response.setCharacterEncoding("UTF-8"); response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); response.getOutputStream().println(new ObjectMapper().writeValueAsString(errorResponse)); response.getOutputStream().flush(); } }