80 lines
2.9 KiB
Java
80 lines
2.9 KiB
Java
package com.yunhai.userbase.config;
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import com.yunhai.platform.appauth.AppAuthProperties;
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import com.yunhai.platform.appauth.AppSecretProvider;
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import com.yunhai.userbase.entity.ApplicationInfo;
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import com.yunhai.userbase.repository.ApplicationInfoRepository;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* UserBase 作为「应用密钥权威源」的验签密钥提供方。<br><br>
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* 解析优先级：<br>
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* 1) 本库 application_info —— 覆盖全部「已颁发」应用，新增/重置密钥后即时生效；<br>
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* 2) 配置式受信应用 {@code yh.app-auth.trusted-apps} —— 平台自身默认密钥（如 应用中心 100616）
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* 兜底，使其即便尚未落库也可验签，避免「默认 appKey 未建行」导致验签失败。<br><br>
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* 带 60s 本地 TTL 缓存，避免每次验签直打库（密钥变更最长 60s 后生效）。<br><br>
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* 这样 UserBase 作为颁发方不依赖 Redis 预热、也不局限于 trustedApps 写死的少量密钥，
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* 能够验签所有它已颁发的应用。
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*/
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public class UserBaseAppSecretProvider implements AppSecretProvider {
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private final ApplicationInfoRepository repository;
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private final Map<String, String> trustedApps;
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private final ConcurrentHashMap<String, CacheEntry> cache = new ConcurrentHashMap<>();
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private static final long TTL_MS = 60_000L;
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public UserBaseAppSecretProvider(ApplicationInfoRepository repository, AppAuthProperties properties) {
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this.repository = repository;
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this.trustedApps = properties.getTrustedApps();
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}
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@Override
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public String getSecret(String appKey) {
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if (appKey == null) {
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return null;
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}
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long now = System.currentTimeMillis();
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CacheEntry hit = cache.get(appKey);
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if (hit != null && now - hit.ts < TTL_MS) {
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return hit.secret;
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}
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String secret = null;
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try {
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Integer id = parse(appKey);
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if (id != null) {
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ApplicationInfo info = repository.findByAppKey(id);
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if (info != null && info.getAppSecret() != null && !info.getAppSecret().trim().isEmpty()) {
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secret = info.getAppSecret();
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}
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}
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} catch (Exception ignored) {
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// 查询异常不阻断，继续走配置兜底
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}
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if (secret == null) {
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secret = trustedApps.get(appKey);
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}
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cache.put(appKey, new CacheEntry(now, secret));
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return secret;
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}
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private static Integer parse(String appKey) {
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try {
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return Integer.parseInt(appKey.trim());
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} catch (NumberFormatException e) {
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return null;
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}
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}
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private static final class CacheEntry {
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final long ts;
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final String secret;
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CacheEntry(long ts, String secret) {
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this.ts = ts;
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this.secret = secret;
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}
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}
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}
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