JavaSpring401未经授权
我正在学习关于JavaSpring的教程,并找到了一个使用jwt的身份验证代码。到目前为止还没有问题,我可以生成令牌和登录/注册,并在post/get请求的路由上使用这些令牌。但问题是,2分钟后,我得到了一个未经授权的错误。我无法解决它 下面是教程中的代码: JwtAuthEntryPoint.javaJavaSpring401未经授权,java,spring,spring-security,config,http-status-code-401,Java,Spring,Spring Security,Config,Http Status Code 401,我正在学习关于JavaSpring的教程,并找到了一个使用jwt的身份验证代码。到目前为止还没有问题,我可以生成令牌和登录/注册,并在post/get请求的路由上使用这些令牌。但问题是,2分钟后,我得到了一个未经授权的错误。我无法解决它 下面是教程中的代码: JwtAuthEntryPoint.java public class JwtAuthEntryPoint implements AuthenticationEntryPoint { private static final L
public class JwtAuthEntryPoint implements AuthenticationEntryPoint {
private static final Logger logger = LoggerFactory.getLogger(JwtAuthEntryPoint.class);
@Override
public void commence(HttpServletRequest request,
HttpServletResponse response,
AuthenticationException e)
throws IOException, ServletException {
logger.error("Unauthorized error. Message - {}", e.getMessage());
response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Error -> Unauthorized");
}
}
UserDetailsServiceImpl.java
public class JwtAuthTokenFilter extends OncePerRequestFilter {
@Autowired
private JwtProvider tokenProvider;
@Autowired
private UserDetailsServiceImpl userDetailsService;
private static final Logger logger = LoggerFactory.getLogger(JwtAuthTokenFilter.class);
@Override
protected void doFilterInternal(HttpServletRequest request,
HttpServletResponse response,
FilterChain filterChain)
throws ServletException, IOException {
try {
String jwt = getJwt(request);
if (jwt!=null && tokenProvider.validateJwtToken(jwt)) {
String username = tokenProvider.getUserNameFromJwtToken(jwt);
UserDetails userDetails = userDetailsService.loadUserByUsername(username);
UsernamePasswordAuthenticationToken authentication
= new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
SecurityContextHolder.getContext().setAuthentication(authentication);
}
} catch (Exception e) {
logger.error("Can NOT set user authentication -> Message: {}", e);
}
filterChain.doFilter(request, response);
}
private String getJwt(HttpServletRequest request) {
String authHeader = request.getHeader("Authorization");
if (authHeader != null && authHeader.startsWith("Bearer ")) {
return authHeader.replace("Bearer ","");
}
return null;
}
}
JwtProvider.java
public class JwtProvider {
private static final Logger logger = LoggerFactory.getLogger(JwtProvider.class);
@Value("${grokonez.app.jwtSecret}")
private String jwtSecret;
@Value("${grokonez.app.jwtExpiration}")
private int jwtExpiration;
public String generateJwtToken(Authentication authentication) {
UserPrinciple userPrincipal = (UserPrinciple) authentication.getPrincipal();
return Jwts.builder()
.setSubject((userPrincipal.getUsername()))
.setIssuedAt(new Date())
.setExpiration(new Date((new Date()).getTime() + jwtExpiration))
.signWith(SignatureAlgorithm.HS512, jwtSecret)
.compact();
}
public String getUserNameFromJwtToken(String token) {
return Jwts.parser()
.setSigningKey(jwtSecret)
.parseClaimsJws(token)
.getBody().getSubject();
}
public boolean validateJwtToken(String authToken) {
try {
Jwts.parser().setSigningKey(jwtSecret).parseClaimsJws(authToken);
return true;
} catch (SignatureException e) {
logger.error("Invalid JWT signature -> Message: {} ", e);
} catch (MalformedJwtException e) {
logger.error("Invalid JWT token -> Message: {}", e);
} catch (ExpiredJwtException e) {
logger.error("Expired JWT token -> Message: {}", e);
} catch (UnsupportedJwtException e) {
logger.error("Unsupported JWT token -> Message: {}", e);
} catch (IllegalArgumentException e) {
logger.error("JWT claims string is empty -> Message: {}", e);
}
return false;
}
}
WebSecurityConfig.java
@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(
prePostEnabled = true
)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Autowired
UserDetailsServiceImpl userDetailsService;
@Autowired
private JwtAuthEntryPoint unauthorizedHandler;
@Bean
public JwtAuthTokenFilter authenticationJwtTokenFilter() {
return new JwtAuthTokenFilter();
}
@Override
public void configure(AuthenticationManagerBuilder authenticationManagerBuilder) throws Exception {
authenticationManagerBuilder
.userDetailsService(userDetailsService)
.passwordEncoder(passwordEncoder());
}
@Bean
@Override
public AuthenticationManager authenticationManagerBean() throws Exception {
return super.authenticationManagerBean();
}
@Bean
public PasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder();
}
@Override
protected void configure(HttpSecurity http) throws Exception {
http.cors().and().csrf().disable().
authorizeRequests()
.antMatchers("/api/auth/**").permitAll()
.anyRequest().authenticated()
.and()
.exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);
http.addFilterBefore(authenticationJwtTokenFilter(), UsernamePasswordAuthenticationFilter.class);
}
}
提前感谢您的帮助。一切取决于您在
jws.bulder
中为setExpiration
设置的值
在您的示例中,您需要更改从配置文件读取的jwtExpiration
另一种方法是替换一些代码,如:
.setExpiration(Date.from(Instant.now() + "your_desired_time"))
在JwtProvider.java
文件中,而不是在您的代码中
*请注意,您设置的值是application.properties中的过期时间(以毫秒为单位)我有这样一个:grokonez.app.jwtSecret=jwtExampleSecretKey grokonez.app.jwtExpiration=86400,所以86400是您的过期时间(以毫秒为单位)。只需将其更改为您需要的每个数字。