/// <summary>
/// Gets all authorization codes that matches the specified redirect uri and expires after the
/// specified date. Called when authenticating an authorization code.
/// </summary>
/// <param name="redirectUri">The redirect uri.</param>
/// <param name="expires">The expire date.</param>
/// <returns>The authorization codes.</returns>
public async Task<IEnumerable<IAuthorizationCode>> GetAuthorizationCodes(string redirectUri, DateTime expires)
{
var db = this.GetDatabase();
var min = expires.ToUnixTime();
var codes = new List<IAuthorizationCode>();
var keys = db.SortedSetRangeByScore(this.Configuration.AuthorizationCodePrefix, min, DateTimeMax);
foreach (var key in keys)
{
var hashedId = key.ToString().Substring(this.Configuration.AuthorizationCodePrefix.Length + 1);
var id = Encoding.UTF8.GetString(Convert.FromBase64String(hashedId));
if (id.Contains(redirectUri))
{
var hashEntries = await db.HashGetAllAsync(key.ToString());
if (hashEntries.Any())
{
var code = new RedisAuthorizationCode(hashEntries) { Id = hashedId };
codes.Add(code);
}
}
}
return codes;
}
/// <summary>Generates a key.</summary>
/// <param name="authorizationCode">The authorization code.</param>
/// <returns>The key.</returns>
protected string GenerateKey(RedisAuthorizationCode authorizationCode)
{
return this.Configuration.AuthorizationCodePrefix + ":" + authorizationCode.Id;
}