首次完整推送，

V：1.20240808.006

uni_modules/uni-cms-article/uniCloud/cloudfunctions/uni-cms-unlock-callback/index.js

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+const crypto = require('crypto')
+const createConfig = require('uni-config-center')
+const config = createConfig({
+  pluginId: 'uni-cms'
+}).config()
+
+const unlockRecordDBName = 'uni-cms-unlock-record'
+
+// 定义云函数
+exports.main = async function (event) {
+  // 解构 event 对象
+  const {trans_id, extra: _extra, sign} = event
+  let extra = {}
+  try {
+    extra = JSON.parse(_extra)
+  } catch (e) {}
+
+  // 如果 adConfig 或 securityKey 配置项不存在，则抛出错误引导用户配置参数
+  if (!config.adConfig || !config.adConfig.securityKey) throw new Error('请先配置adConfig.securityKey')
+  // 如果 extra.article_id 不存在，则返回 null
+  if (!extra.article_id) return null
+
+  // 签名验证
+  const reSign = crypto.createHash('sha256').update(`${config.adConfig.securityKey}:${trans_id}`).digest('hex')
+  if (sign !== reSign) {
+    console.log('签名错误', `${config.adConfig.securityKey}:${trans_id}`)
+    return null
+  }
+
+  // 获取数据库实例
+  const db = uniCloud.database()
+  // 查询解锁记录
+  const unlockRecord = await db.collection(unlockRecordDBName).where({
+    trans_id
+  }).get()
+
+  // 如果已经解锁过了，则返回 null
+  if (unlockRecord.data.length) {
+    console.log('已经解锁过了')
+    return null // 已经解锁过了
+  }
+
+  // 添加解锁记录
+  await db.collection(unlockRecordDBName).add({
+    unique_id: extra.unique_id,
+    unique_type: extra.unique_type,
+    article_id: extra.article_id,
+    trans_id,
+    create_date: Date.now()
+  })
+
+  console.log('解锁成功')
+
+  // 应广告规范，需返回 isValid 为 true
+  return {
+    isValid: true
+  }
+}

uni_modules/uni-cms-article/uniCloud/cloudfunctions/uni-cms-unlock-callback/package.json

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+{
+  "name": "uni-cms-unlock-callback",
+  "dependencies": {
+    "uni-config-center": "file:../../../../uni-config-center/uniCloud/cloudfunctions/common/uni-config-center"
+  },
+  "extensions": {}
+}