/// <summary>
/// 授权客户端
/// </summary>
/// <param name="client">设备客户端</param>
/// <param name="num">机身号</param>
/// <param name="password">明文密码</param>
/// <returns></returns>
public static async Task AuthAclAsync(IRemoteClient client, string num, string password)
{
// HSET mqtt_user:<username> is_superuser 0
// HSET mqtt_user:<username> password "passwd"
var db = redisClient.GetMultiplexer().GetDatabase();
var authKey = string.Format("mqtt_user:{0}", num);
var superEntry = new HashEntry("is_superuser", 0);
var passwordEntry = new HashEntry("password", Encryption.GetMD5(password).ToLower());
await db.KeyDeleteAsync(authKey);
await db.HashSetAsync(authKey, new[] { superEntry, passwordEntry });
// 1: subscribe, 2: publish, 3: pubsub
// HSET mqtt_acl:<username> topic1 1
// HSET mqtt_acl:<username> topic2 2
// HSET mqtt_acl:<username> topic3 3
var subTopics = client.GetAllSubTopics();
var pubTopics = client.GetAllPubTopics();
var aclKey = string.Format("mqtt_acl:{0}", num);
var subEntries = subTopics.Select(topic => new HashEntry(topic.Value, 1));
var pubEntries = pubTopics.Select(topic => new HashEntry(topic.Value, 2));
var entries = subEntries.Concat(pubEntries).ToArray();
await db.KeyDeleteAsync(aclKey);
await db.HashSetAsync(aclKey, entries);
}