perf: 证书检查支持自定义dns服务器

packages/core/basic/src/utils/index.ts

@@ -34,6 +34,7 @@ import { locker } from "./util.lock.js";
 import { mitter } from "./util.mitter.js";
 
 import * as request from "./util.request.js";
+export * from "./util.cache.js";
 export const utils = {
   sleep,
   http,

packages/core/basic/src/utils/util.cache.ts

@@ -1,8 +1,53 @@
 // LRUCache
 
-import { LRUCache } from 'lru-cache';
+import { LRUCache } from "lru-cache";
 
 export const cache = new LRUCache<string, any>({
   max: 1000,
   ttl: 1000 * 60 * 10,
 });
+
+export class LocalCache<V = any> {
+  cache: Map<string, { value: V; expiresAt: number }>;
+  constructor(opts: { clearInterval?: number } = {}) {
+    this.cache = new Map();
+    setInterval(() => {
+      this.clearExpires();
+    }, opts.clearInterval ?? 5 * 60 * 1000);
+  }
+
+  get(key: string): V | undefined {
+    const entry = this.cache.get(key);
+    if (!entry) {
+      return undefined;
+    }
+
+    // 检查是否过期
+    if (Date.now() > entry.expiresAt) {
+      this.cache.delete(key);
+      return undefined;
+    }
+
+    return entry.value;
+  }
+
+  set(key: string, value: V, ttl = 300000) {
+    // 默认5分钟 (300000毫秒)
+    this.cache.set(key, {
+      value,
+      expiresAt: Date.now() + ttl,
+    });
+  }
+
+  clear() {
+    this.cache.clear();
+  }
+
+  clearExpires() {
+    for (const [key, entry] of this.cache) {
+      if (entry.expiresAt < Date.now()) {
+        this.cache.delete(key);
+      }
+    }
+  }
+}