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uds-auth/lib/session/memory-store.js

@@ -0,0 +1,61 @@
+import { SessionStore } from './store.js'
+
+/**
+ * In-memory session store — 单索引 empNo → userData
+ * 一个工号 = 一个会话，多终端同工号共享同一条目。
+ */
+export class MemoryStore extends SessionStore {
+  constructor() {
+    super()
+    this._sessions = new Map() // Map<empNo, { userData, expiresAt }>
+    this._timers = new Map()    // Map<empNo, Timeout>
+  }
+
+  async get(empNo) {
+    const session = this._sessions.get(empNo)
+    if (!session) return null
+    if (session.expiresAt && Date.now() > session.expiresAt) {
+      await this.delete(empNo)
+      return null
+    }
+    return { ...session.userData }
+  }
+
+  async set(empNo, userData) {
+    this._sessions.set(empNo, { userData })
+  }
+
+  async setex(empNo, seconds, userData) {
+    this._sessions.set(empNo, { userData, expiresAt: Date.now() + seconds * 1000 })
+    if (this._timers.has(empNo)) clearTimeout(this._timers.get(empNo))
+    this._timers.set(empNo, setTimeout(() => this._sessions.delete(empNo), seconds * 1000))
+  }
+
+  async delete(empNo) {
+    if (this._timers.has(empNo)) {
+      clearTimeout(this._timers.get(empNo))
+      this._timers.delete(empNo)
+    }
+    this._sessions.delete(empNo)
+  }
+
+  async has(empNo) {
+    const session = this._sessions.get(empNo)
+    if (!session) return false
+    if (session.expiresAt && Date.now() > session.expiresAt) {
+      await this.delete(empNo)
+      return false
+    }
+    return true
+  }
+
+  async clear() {
+    for (const t of this._timers.values()) clearTimeout(t)
+    this._timers.clear()
+    this._sessions.clear()
+  }
+
+  async keys() {
+    return Array.from(this._sessions.keys())
+  }
+}