在AuthenticationEntryPoint中捕获从OncePerRequestFilter的子类引发的自定义异常开发者社区

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@Component
public class JwtAuthFilter extends OncePerRequestFilter {
    private static final String BEARER = "Bearer ";
    private static final Logger logger = LoggerFactory.getLogger(JwtAuthFilter.class);
    @Autowired
    private UserDetailsService jwtUserDetailsService;
    @Autowired
    private JwtTokenUtil jwtTokenUtil;
    @Value ("${jwt.http.request.header}")
    private String tokenHeader;
    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
                    throws ServletException, IOException {
        final String requestTokenHeader = request.getHeader(this.tokenHeader);
        String username = null;
        String jwtToken = null;
        if((requestTokenHeader != null) && requestTokenHeader.startsWith(BEARER)) {
            jwtToken = requestTokenHeader.substring(7);
            try {
                username = jwtTokenUtil.getUsernameFromToken(jwtToken);
                if((username != null) && (SecurityContextHolder.getContext()
                                                               .getAuthentication() == null)) {
                    UserDetails userDetails = this.jwtUserDetailsService.loadUserByUsername(username);
                    if(jwtTokenUtil.validateToken(jwtToken, userDetails)) {
                        UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken =
                                        new UsernamePasswordAuthenticationToken(userDetails, null,
                                                                                userDetails.getAuthorities());
                        usernamePasswordAuthenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
                        SecurityContextHolder.getContext()
                                             .setAuthentication(usernamePasswordAuthenticationToken);
            catch (IllegalArgumentException e) {
                logger.error("Unable to get username from JWT. ", e.getLocalizedMessage());
            catch (ExpiredJwtException e) {
                logger.warn("Expired JWT. ", e.getLocalizedMessage());
            catch (Exception e) {
                logger.error(e.getLocalizedMessage());
        chain.doFilter(request, response);
}

@Component
public class JwtUnAuthorizedResponseAuthenticationEntryPoint implements AuthenticationEntryPoint , Serializable {
    private static final long serialVersionUID = - 8970718410437077606L;
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e)
                    throws IOException {
        if(e instanceof TooManyDevicesException) {
            response.sendError(HttpServletResponse.SC_UNAUTHORIZED, Constants.TOO_MANY_DEVICES);
        else if(e instanceof CredentialsChangedException) {
            response.sendError(HttpServletResponse.SC_UNAUTHORIZED, Constants.CREDENTIALS_CHANGED);
        else {
            response.sendError(HttpServletResponse.SC_UNAUTHORIZED, Constants.JWT_EXPIRED);
}

@Component
public class JwtAuthFilter extends OncePerRequestFilter {
  @Autowired
  private AuthenticationEntryPoint authenticationEntryPoint;
  @Override
  protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
                    throws ServletException, IOException {
              //validate JWT
          } catch (AuthenticationException e) {
               logger.error(e.getLocalizedMessage());

问 在AuthenticationEntryPoint中捕获从OncePerRequestFilter的子类引发的自定义异常 EN

回答 2

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