spring:
security:
user:
name: root #通过配置文件,设置静态用户名
password: root #配置文件,设置静态登录密码
@ConfigurationProperties(prefix = "spring.security")
public class SecurityProperties {
public static final int BASIC_AUTH_ORDER = Ordered.LOWEST_PRECEDENCE - 5;
public static final int IGNORED_ORDER = Ordered.HIGHEST_PRECEDENCE;
public static final int DEFAULT_FILTER_ORDER = OrderedFilter.REQUEST_WRAPPER_FILTER_MAX_ORDER - 100;
private final Filter filter = new Filter();
private User user = new User();
public User getUser() {
return this.user;
}
public Filter getFilter() {
return this.filter;
}
public static class Filter {
private int order = DEFAULT_FILTER_ORDER;
private Set dispatcherTypes = new HashSet(
Arrays.asList(DispatcherType.ASYNC, DispatcherType.ERROR, DispatcherType.REQUEST));
public int getOrder() {
return this.order;
}
public void setOrder(int order) {
this.order = order;
}
public Set getDispatcherTypes() {
return this.dispatcherTypes;
}
public void setDispatcherTypes(Set dispatcherTypes) {
this.dispatcherTypes = dispatcherTypes;
}
}
public static class User {
private String name = "user";
private String password = UUID.randomUUID().toString();
private List roles = new ArrayList();
private boolean passwordGenerated = true;
public String getName() {
return this.name;
}
public void setName(String name) {
this.name = name;
}
public String getPassword() {
return this.password;
}
public void setPassword(String password) {
if (!StringUtils.hasLength(password)) {
return;
}
this.passwordGenerated = false;
this.password = password;
}
public List getRoles() {
return this.roles;
}
public void setRoles(List roles) {
this.roles = new ArrayList(roles);
}
public boolean isPasswordGenerated() {
return this.passwordGenerated;
}
}
}
SecuityProperties 会获取配置文件中的信息,UserDetailsServiceAutoConfiguration 在自动装配时获取 SecuityProperties 的属性信息
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(AuthenticationManager.class)
@ConditionalOnBean(ObjectPostProcessor.class)
@ConditionalOnMissingBean(
value = { AuthenticationManager.class, AuthenticationProvider.class, UserDetailsService.class },
type = { "org.springframework.security.oauth2.jwt.JwtDecoder", "org.springframework.security.oauth2.server.resource.introspection.OpaqueTokenIntrospector" })
public class UserDetailsServiceAutoConfiguration {
private static final String NOOP_PASSWORD_PREFIX = "{noop}";
private static final Pattern PASSWORD_ALGORITHM_PATTERN = Pattern.compile("^\{.+}.*$");
private static final Log logger = LogFactory.getLog(UserDetailsServiceAutoConfiguration.class);
@Bean
@ConditionalOnMissingBean(
type = "org.springframework.security.oauth2.client.registration.ClientRegistrationRepository")
@Lazy
public InMemoryUserDetailsManager inMemoryUserDetailsManager(SecurityProperties properties,
ObjectProvider passwordEncoder) {
SecurityProperties.User user = properties.getUser();
List roles = user.getRoles();
return new InMemoryUserDetailsManager(
User.withUsername(user.getName()).password(getOrDeducePassword(user, passwordEncoder.getIfAvailable()))
.roles(StringUtils.toStringArray(roles)).build());
}
private String getOrDeducePassword(SecurityProperties.User user, PasswordEncoder encoder) {
String password = user.getPassword();
if (user.isPasswordGenerated()) {
logger.info(String.format("%n%nUsing generated security password: %s%n", user.getPassword()));
}
if (encoder != null || PASSWORD_ALGORITHM_PATTERN.matcher(password).matches()) {
return password;
}
return NOOP_PASSWORD_PREFIX + password;
}
}
当容器中没有 AuthenticationManager、AuthenticationProvider、UserDetailsService 对应的实例类,且没有 org.springframework.security.oauth2.client.registration.ClientRegistrationRepository 时,会实例化 InMemoryUserDetailsManager 从而获取 SecurityProperties 的配置信息,加载用户信息在内存中
@Configuration
@Slf4j
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
/**
* 密码编码器,密码不能明文存储
*/
@Bean
public PasswordEncoder passwordEncoder() {
// 设置默认的加密方式,使用 BCryptPasswordEncoder 密码编码器,
// 该编码器会将随机产生的 salt 混入最终生成的密文中
return new BCryptPasswordEncoder();
}
/**
* 定制基于 HTTP 请求的用户访问控制
*/
@Override
protected void configure(HttpSecurity http) throws Exception {
/**
* fromLogin():表单认证
* httpBasic():弹出框认证
* authorizeRequests():身份认证请求
* anyRequest():所有请求
* authenticated():身份认证
*/
http.httpBasic()
.and()
.authorizeRequests()
// 其它任何请求访问都需要先通过认证
.anyRequest()
.authenticated();
}
/**
* 认证管理器:
* 1、认证信息提供方式(用户名、密码、当前用户的资源权限)
* 2、可采用内存存储方式,也可能采用数据库方式等
*/
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
// 用户信息存储在内存中
String password = passwordEncoder().encode("1234");
log.info("加密之后存储的密码:" + password);
auth.inMemoryAuthentication()
.withUser("admin")
.password(password)
.authorities("ADMIN");
}
/**
* 定制一些全局性的安全配置,例如:不拦截静态资源的访问
*/
@Override
public void configure(WebSecurity web) throws Exception {
// 静态资源的访问不需要拦截,直接放行
web.ignoring().antMatchers("/**/*.css", "/**/*.js", "/**/*.png", "/**/*.jpg", "/**/*.jpeg");
}
}
在实际开发中,Spring Security 应该动态的从数据库中获取信息进行自定义身份认证,采用数据库方式进行身份认证一般需要实现两个核心接口 UserDetailsService 和 UserDetails
该接口只有一个方法 loadUserByUsername(),用于定义从数据库中获取指定用户信息的逻辑。如果未获取到用户信息,则需要手动抛出 UsernameNotFoundException 异常;如果获取到用户信息,则将该用户信息封装到 UserDetails 接口的实现类中并返回
public interface UserDetailsService {
// 输入参数 username 是前端传入的用户名
UserDetails loadUserByUsername(String username) throws UsernameNotFoundException;
}
UserDetails 接口定义了用于描述用户信息的方法
public interface UserDetails extends Serializable {
// 返回用户权限集合
Collection extends GrantedAuthority> getAuthorities();
// 返回用户的密码
String getPassword();
// 返回用户的用户名
String getUsername();
// 账户是否未过期(true 未过期, false 过期)
boolean isAccountNonExpired();
// 账户是否未锁定(true 未锁定, false 锁定)
// 用户账户可能会被封锁,达到一定要求可恢复
boolean isAccountNonLocked();
// 密码是否未过期(true 未过期, false 过期)
// 一些安全级别高的系统,可能要求 30 天更换一次密码
boolean isCredentialsNonExpired();
// 账户是否可用(true 可用, false 不可用)
// 系统一般不会真正的删除用户信息,而是假删除,通过一个状态码标志用户是否被删除
boolean isEnabled();
}
@Slf4j
@Component
public class UserDetailServiceImpl implements UserDetailsService {
/**
* Spring Security 接收 login 请求调用 UserDetailService 这个接口中的 loadUserByUsername
* loadUserByUsername 根据传进来的用户名进行校验工作,
* 最后将查询到的用户信息封装到 UserDetails 这个接口的实现类中
*/
@Override
public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException {
log.info("登录用户名:{}",s);
//根据用户名查询用户数据
return new User(s,"123456", AuthorityUtilcnblogs.commaSeparatedStringToAuthorityList("admin"));
}
}
在使用了 Spring Security5.x 版本,需要手动提供一个 PasswordEncoder 实现类,进行密码校验,PasswordEncoder 是 SpringSecurity 的密码解析器,用户密码校验、加密,自定义登录逻辑时要求必须给容器注入 PasswordEncoder 的 bean 对象
@Component
public class PasswordEncoderImpl implements PasswordEncoder {
@Override
public String encode(CharSequence charSequence) {
return charSequence.toString();
}
@Override
public boolean matches(CharSequence charSequence, String s) {
return s.equals(charSequence.toString());
}
}
@Configuration
@Slf4j
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Resource
private PasswordEncoder passwordEncoder;
@Resource
private UserDetailsService userDetailsService;
/**
* 定制基于 HTTP 请求的用户访问控制
*/
@Override
protected void configure(HttpSecurity http) throws Exception {
/**
* fromLogin():表单认证
* httpBasic():弹出框认证
* authorizeRequests():身份认证请求
* anyRequest():所有请求
* authenticated():身份认证
*/
http.httpBasic()
.and()
.authorizeRequests()
// 其它任何请求访问都需要先通过认证
.anyRequest()
.authenticated();
}
/**
* 认证管理器:
* 1、认证信息提供方式(用户名、密码、当前用户的资源权限)
* 2、可采用内存存储方式,也可能采用数据库方式等
*/
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
// 不再使用内存方式存储用户认证信息,而是动态从数据库中获取
auth.userDetailsService(userDetailsService).passwordEncoder(passwordEncoder);
}
/**
* 定制一些全局性的安全配置,例如:不拦截静态资源的访问
*/
@Override
public void configure(WebSecurity web) throws Exception {
// 静态资源的访问不需要拦截,直接放行
web.ignoring().antMatchers("/**/*.css", "/**/*.js", "/**/*.png", "/**/*.jpg", "/**/*.jpeg");
}
}
注意
上面自定义的密码解析器密码加密后与原来的一致,如果使用其他的密码解析器密码加密后与原来的不一致时,采用以下方式:
/**
* 密码编码器,密码不能明文存储
*/
@Bean
public BCryptPasswordEncoder passwordEncoder() {
// 使用 BCryptPasswordEncoder 密码编码器,该编码器会将随机产生的 salt 混入最终生成的密文中
return new BCryptPasswordEncoder();
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.userDetailsService(userDetailService).passwordEncoder(passwordEncoder());
}
@Slf4j
@Component
public class UserDetailServiceImpl implements UserDetailsService {
@Resource
private PasswordEncoder passwordEncoder;
/**
* Spring Security 接收 login 请求调用 UserDetailService 这个接口中的 loadUserByUsername
* loadUserByUsername 根据传进来的用户名进行校验工作,
* 最后将查询到的用户信息封装到 UserDetails 这个接口的实现类中
*/
@Override
public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException {
log.info("登录用户名:{}",s);
//根据用户名查询用户数据
return new User(s, passwordEncoder.encode("123456"), AuthorityUtilcnblogs.commaSeparatedStringToAuthorityList("admin"));
}
}
public class AccountUser implements UserDetails {
private Long userId;
private static final long serialVersionUID = 540L;
private static final Log logger = LogFactory.getLog(User.class);
private String password;
private final String username;
private final Collection extends GrantedAuthority> authorities;
private final boolean accountNonExpired;
private final boolean accountNonLocked;
private final boolean credentialsNonExpired;
private final boolean enabled;
public AccountUser(Long userId, String username, String password, Collection extends GrantedAuthority> authorities) {
this(userId, username, password, true, true, true, true, authorities);
}
public AccountUser(Long userId, String username, String password, boolean enabled, boolean accountNonExpired, boolean credentialsNonExpired, boolean accountNonLocked, Collection extends GrantedAuthority> authorities) {
Assert.isTrue(username != null && !"".equals(username) && password != null, "Cannot pass null or empty values to constructor");
this.userId = userId;
this.username = username;
this.password = password;
this.enabled = enabled;
this.accountNonExpired = accountNonExpired;
this.credentialsNonExpired = credentialsNonExpired;
this.accountNonLocked = accountNonLocked;
this.authorities = authorities;
}
@Override
public Collection extends GrantedAuthority> getAuthorities() {
return this.authorities;
}
@Override
public String getPassword() {
return this.password;
}
@Override
public String getUsername() {
return this.username;
}
@Override
public boolean isAccountNonExpired() {
return this.accountNonExpired;
}
@Override
public boolean isAccountNonLocked() {
return this.accountNonLocked;
}
@Override
public boolean isCredentialsNonExpired() {
return this.credentialsNonExpired;
}
@Override
public boolean isEnabled() {
return this.enabled;
}
}
@Component
public class UserDetailServiceImpl implements UserDetailsService {
@Resource
private PasswordEncoder passwordEncoder;
@Override
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
if ("admin".equals(username)) {
return new AccountUser(12L, "admin", passwordEncoder.encode("123"), AuthorityUtils.NO_AUTHORITIES);
}
return null;
}
}
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {
@Resource
private UserDetailServiceImpl userDetailService;
@Override
protected void configure(HttpSecurity http) throws Exception {
http.formLogin()
.and()
.authorizeRequests()
.anyRequest()
.authenticated();
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.userDetailsService(userDetailService);
}
@Bean
public PasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder();
}
}
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