/// <inheritsdoc />
private Jwk[] GetKeys(JwtHeaderDocument header, string metadataAddress)
{
if (_disposed)
{
ThrowHelper.ThrowObjectDisposedException(typeof(JwksHttpKeyProvider));
}
var kid = header.Kid;
long now = EpochTime.UtcNow;
if (_currentJwks != null && _syncAfter > now)
{
return(_currentJwks.GetKeys(kid));
}
if (_syncAfter <= now)
{
_refreshLock.Wait();
try
{
var value = _documentRetriever.GetDocument(metadataAddress, CancellationToken.None);
var refreshedJwks = Jwks.FromJson(Issuer, value);
Jwks.PublishJwksRefreshed(refreshedJwks);
_currentJwks = refreshedJwks;
_syncAfter = now + AutomaticRefreshInterval;
}
catch
{
_syncAfter = now + (AutomaticRefreshInterval < RefreshInterval ? AutomaticRefreshInterval : RefreshInterval);
throw;
}
finally
{
_refreshLock.Release();
}
}
if (_currentJwks != null)
{
return(_currentJwks.GetKeys(kid));
}
ThrowHelper.ThrowInvalidOperationException_UnableToObtainKeysException(metadataAddress);
return(Array.Empty <Jwk>());
}
/// <inheritsdoc />
protected Jwk[] GetKeys(JwtHeader header, string metadataAddress)
{
if (_disposed)
{
ThrowHelper.ThrowObjectDisposedException(GetType());
}
var kid = header.Kid;
var now = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
if (_currentKeys != null && _syncAfter > now)
{
return(_currentKeys.GetKeys(kid));
}
if (_syncAfter <= now)
{
_refreshLock.Wait();
try
{
var value = _documentRetriever.GetDocument(metadataAddress, CancellationToken.None);
_currentKeys = Jwks.FromJson(value);
_syncAfter = now + AutomaticRefreshInterval;
}
catch
{
_syncAfter = now + (AutomaticRefreshInterval < RefreshInterval ? AutomaticRefreshInterval : RefreshInterval);
throw;
}
finally
{
_refreshLock.Release();
}
}
if (_currentKeys != null)
{
return(_currentKeys.GetKeys(kid));
}
ThrowHelper.ThrowInvalidOperationException_UnableToObtainKeysException(metadataAddress);
return(Array.Empty <Jwk>());
}
/// <summary>
/// Returns a task which contains a string converted from remote document when completed, by using the provided address.
/// </summary>
/// <param name="address">Location of document</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation. <see cref="CancellationToken"/></param>
/// <returns>Document as a string</returns>
public byte[] GetDocument(string address, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(address))
{
throw new ArgumentNullException(nameof(address));
}
if (!IsHttps(address) && RequireHttps)
{
ThrowHelper.ThrowArgumentException_RequireHttpsException(address);
}
if (_disposed)
{
ThrowHelper.ThrowObjectDisposedException(GetType());
}
using HttpResponseMessage response = _httpClient.GetAsync(address, cancellationToken).ConfigureAwait(false).GetAwaiter().GetResult().EnsureSuccessStatusCode();
return(response.Content.ReadAsByteArrayAsync().ConfigureAwait(false).GetAwaiter().GetResult());
}
