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Code Issues Releases Wiki Activity

Add thread-safety on access token validation logic.

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This commit is contained in:
Dean Herbert 2017-05-11 19:35:07 +09:00
parent 7d221802a2
commit 4e881644f6
1 changed files with 14 additions and 7 deletions
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21
osu.Game/Online/API/OAuth.cs
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@ -72,21 +72,28 @@ namespace osu.Game.Online.API
}
}
private static readonly object access_token_retrieval_lock = new object();
/// <summary>
/// Should be run before any API request to make sure we have a valid key.
/// </summary>
private bool ensureAccessToken()
{
//todo: we need to mutex this to ensure only one authentication request is running at a time.
//If we already have a valid access token, let's use it.
// if we already have a valid access token, let's use it.
if (accessTokenValid) return true;
//If not, let's try using our refresh token to request a new access token.
if (!string.IsNullOrEmpty(Token?.RefreshToken))
AuthenticateWithRefresh(Token.RefreshToken);
// we want to ensure only a single authentication update is happening at once.
lock (access_token_retrieval_lock)
{
// re-check if valid, in case another requrest completed and revalidated our access.
if (accessTokenValid) return true;
return accessTokenValid;
// if not, let's try using our refresh token to request a new access token.
if (!string.IsNullOrEmpty(Token?.RefreshToken))
AuthenticateWithRefresh(Token.RefreshToken);
return accessTokenValid;
}
}
private bool accessTokenValid => Token?.IsValid ?? false;