package cn.ibizlab.util.security;

import org.springframework.security.core.AuthenticationException;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.Serializable;

@Component
public class AuthenticationEntryPoint implements org.springframework.security.web.AuthenticationEntryPoint, Serializable {

    private static final long serialVersionUID = -8970718410437077606L;

    @Override
    public void commence(HttpServletRequest request,
                         HttpServletResponse response,
                         AuthenticationException authException) throws IOException {
        /**
         * 当用户尝试访问安全的REST资源而不提供任何凭据时，将调用此方法发送401 响应
         */
        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, authException==null?"Unauthorized":authException.getMessage());
    }

    
}
