using System.Collections.Generic;

using SiteServer.CMS.Core;

using SiteServer.CMS.DataCache.Core;

using SiteServer.CMS.Model;

using SiteServer.Utils;

namespace SiteServer.CMS.DataCache

{

public static class AccessTokenManager

{

private static class AccessTokenManagerCache

{

private static readonly object LockObject = new object();

private static readonly string CacheKey = DataCacheManager.GetCacheKey(nameof(AccessTokenManager));

public static void Clear()

{

DataCacheManager.Remove(CacheKey);

}

public static Dictionary<string, AccessTokenInfo> GetAccessTokenDictionary()

{

var retval = DataCacheManager.Get<Dictionary<string, AccessTokenInfo>>(CacheKey);

if (retval != null) return retval;

lock (LockObject)

{

retval = DataCacheManager.Get<Dictionary<string, AccessTokenInfo>>(CacheKey);

if (retval == null)

{

retval = DataProvider.AccessTokenDao.GetAccessTokenInfoDictionary();

DataCacheManager.Insert(CacheKey, retval);

}

}

return retval;

}

}

public const string ScopeContents = "Contents";

public const string ScopeAdministrators = "Administrators";

public const string ScopeUsers = "Users";

public const string ScopeStl = "STL";

public static List<string> ScopeList => new List<string>

{

ScopeContents,

ScopeAdministrators,

ScopeUsers,

ScopeStl

};

public static void ClearCache()

{

AccessTokenManagerCache.Clear();

}

public static bool IsScope(string token, string scope)

{

if (string.IsNullOrEmpty(token)) return false;

var tokenInfo = GetAccessTokenInfo(token);

if (tokenInfo == null) return false;

return StringUtils.ContainsIgnoreCase(TranslateUtils.StringCollectionToStringList(tokenInfo.Scopes), scope);

}

public static AccessTokenInfo GetAccessTokenInfo(string token)

{

AccessTokenInfo tokenInfo = null;

var dict = AccessTokenManagerCache.GetAccessTokenDictionary();

if (dict != null && dict.ContainsKey(token))

{

tokenInfo = dict[token];

}

return tokenInfo;

}

}

}