清除多租户功能
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@@ -28,10 +28,7 @@ public class LoginUser {
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* 额外的用户信息
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*/
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private Map<String, String> info;
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/**
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* 租户编号
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*/
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private Long tenantId;
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/**
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* 授权范围
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*/
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@@ -30,7 +30,7 @@ import static com.njcn.msgpush.framework.common.util.cache.CacheUtils.buildAsync
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/**
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* Token 过滤器,验证 token 的有效性
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* 1. 验证通过时,将 userId、userType、tenantId 通过 Header 转发给服务
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* 1. 验证通过时,将 userId、userType通过 Header 转发给服务
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* 2. 验证不通过,还是会转发给服务。因为,接口是否需要登录的校验,还是交给服务自身处理
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*
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* @author hongawen
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@@ -42,11 +42,12 @@ public class TokenAuthenticationFilter implements GlobalFilter, Ordered {
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* CommonResult<OAuth2AccessTokenCheckRespDTO> 对应的 TypeReference 结果,用于解析 checkToken 的结果
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*/
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private static final TypeReference<CommonResult<OAuth2AccessTokenCheckRespDTO>> CHECK_RESULT_TYPE_REFERENCE
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= new TypeReference<CommonResult<OAuth2AccessTokenCheckRespDTO>>() {};
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= new TypeReference<CommonResult<OAuth2AccessTokenCheckRespDTO>>() {
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};
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/**
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* 空的 LoginUser 的结果
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*
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* <p>
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* 用于解决如下问题:
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* 1. {@link #getLoginUser(ServerWebExchange, String)} 返回 Mono.empty() 时,会导致后续的 flatMap 无法进行处理的问题。
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* 2. {@link #buildUser(String)} 时,如果 Token 已经过期,返回 LOGIN_USER_EMPTY 对象,避免缓存无法刷新
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@@ -57,25 +58,21 @@ public class TokenAuthenticationFilter implements GlobalFilter, Ordered {
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/**
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* 登录用户的本地缓存
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*
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* key1:多租户的编号
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* <p>
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* key2:访问令牌
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*/
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private final LoadingCache<KeyValue<Long, String>, LoginUser> loginUserCache = buildAsyncReloadingCache(Duration.ofMinutes(1),
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new CacheLoader<KeyValue<Long, String>, LoginUser>() {
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private final LoadingCache<String, LoginUser> loginUserCache = buildAsyncReloadingCache(Duration.ofMinutes(1),
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new CacheLoader<String, LoginUser>() {
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@Override
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public LoginUser load(KeyValue<Long, String> token) {
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String body = checkAccessToken(token.getKey(), token.getValue()).block();
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public LoginUser load(String token) {
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String body = checkAccessToken(token).block();
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return buildUser(body);
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}
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});
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public TokenAuthenticationFilter(ReactorLoadBalancerExchangeFilterFunction lbFunction) {
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// Q:为什么不使用 OAuth2TokenApi 进行调用?
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// A1:Spring Cloud OpenFeign 官方未内置 Reactive 的支持 https://docs.spring.io/spring-cloud-openfeign/docs/current/reference/html/#reactive-support
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// A2:校验 Token 的 API 需要使用到 header[tenant-id] 传递租户编号,暂时不想编写 RequestInterceptor 实现
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// 因此,这里采用 WebClient,通过 lbFunction 实现负载均衡
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this.webClient = WebClient.builder().filter(lbFunction).build();
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}
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@@ -91,7 +88,7 @@ public class TokenAuthenticationFilter implements GlobalFilter, Ordered {
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return chain.filter(exchange);
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}
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// 情况二,如果有 Token 令牌,则解析对应 userId、userType、tenantId 等字段,并通过 通过 Header 转发给服务
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// 情况二,如果有 Token 令牌,则解析对应 userId、userType等字段,并通过 通过 Header 转发给服务
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// 重要说明:defaultIfEmpty 作用,保证 Mono.empty() 情况,可以继续执行 `flatMap 的 chain.filter(exchange)` 逻辑,避免返回给前端空的 Response!!
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ServerWebExchange finalExchange = exchange;
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return getLoginUser(exchange, token).defaultIfEmpty(LOGIN_USER_EMPTY).flatMap(user -> {
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@@ -111,30 +108,26 @@ public class TokenAuthenticationFilter implements GlobalFilter, Ordered {
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}
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private Mono<LoginUser> getLoginUser(ServerWebExchange exchange, String token) {
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// 从缓存中,获取 LoginUser
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Long tenantId = WebFrameworkUtils.getTenantId(exchange);
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KeyValue<Long, String> cacheKey = new KeyValue<Long, String>().setKey(tenantId).setValue(token);
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LoginUser localUser = loginUserCache.getIfPresent(cacheKey);
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LoginUser localUser = loginUserCache.getIfPresent(token);
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if (localUser != null) {
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return Mono.just(localUser);
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}
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// 缓存不存在,则请求远程服务
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return checkAccessToken(tenantId, token).flatMap((Function<String, Mono<LoginUser>>) body -> {
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return checkAccessToken(token).flatMap((Function<String, Mono<LoginUser>>) body -> {
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LoginUser remoteUser = buildUser(body);
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if (remoteUser != null) {
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// 非空,则进行缓存
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loginUserCache.put(cacheKey, remoteUser);
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loginUserCache.put(token, remoteUser);
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return Mono.just(remoteUser);
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}
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return Mono.empty();
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});
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}
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private Mono<String> checkAccessToken(Long tenantId, String token) {
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private Mono<String> checkAccessToken(String token) {
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return webClient.get()
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.uri(OAuth2TokenCommonApi.URL_CHECK, uriBuilder -> uriBuilder.queryParam("accessToken", token).build())
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.headers(httpHeaders -> WebFrameworkUtils.setTenantIdHeader(tenantId, httpHeaders)) // 设置租户的 Header
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.retrieve().bodyToMono(String.class);
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}
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@@ -156,7 +149,6 @@ public class TokenAuthenticationFilter implements GlobalFilter, Ordered {
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OAuth2AccessTokenCheckRespDTO tokenInfo = result.getData();
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return new LoginUser().setId(tokenInfo.getUserId()).setUserType(tokenInfo.getUserType())
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.setInfo(tokenInfo.getUserInfo()) // 额外的用户信息
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.setTenantId(tokenInfo.getTenantId()).setScopes(tokenInfo.getScopes())
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.setExpiresTime(tokenInfo.getExpiresTime());
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}
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@@ -26,27 +26,9 @@ import reactor.core.publisher.Mono;
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@Slf4j
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public class WebFrameworkUtils {
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private static final String HEADER_TENANT_ID = "tenant-id";
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private WebFrameworkUtils() {}
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/**
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* 将 Gateway 请求中的 header,设置到 HttpHeaders 中
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*
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* @param tenantId 租户编号
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* @param httpHeaders WebClient 的请求
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*/
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public static void setTenantIdHeader(Long tenantId, HttpHeaders httpHeaders) {
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if (tenantId == null) {
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return;
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}
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httpHeaders.set(HEADER_TENANT_ID, String.valueOf(tenantId));
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}
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public static Long getTenantId(ServerWebExchange exchange) {
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String tenantId = exchange.getRequest().getHeaders().getFirst(HEADER_TENANT_ID);
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return NumberUtil.isNumber(tenantId) ? Long.valueOf(tenantId) : null;
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}
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/**
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* 返回 JSON 字符串
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