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Check automatic refresh interval before refreshing the security tokens. #155

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Check automatic refresh interval before refreshing the security tokens. #155

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9 changes: 8 additions & 1 deletion source/AccessTokenValidation/Plumbing/DiscoveryDocumentIssuerSecurityTokenProvider.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ internal class DiscoveryDocumentIssuerSecurityTokenProvider : IIssuerSecurityTok
private readonly ILogger _logger;
private string _issuer;
private IEnumerable<SecurityToken> _tokens;
private DateTimeOffset _syncAfter = new DateTimeOffset(new DateTime(2001, 1, 1));

public DiscoveryDocumentIssuerSecurityTokenProvider(string discoveryEndpoint, IdentityServerBearerTokenAuthenticationOptions options, ILoggerFactory loggerFactory)
{
Expand All @@ -55,7 +56,7 @@ public DiscoveryDocumentIssuerSecurityTokenProvider(string discoveryEndpoint, Id
{
AutomaticRefreshInterval = options.AutomaticRefreshInterval
};

if (!options.DelayLoadMetadata)
{
RetrieveMetadata();
Expand Down Expand Up @@ -131,6 +132,11 @@ public IEnumerable<SecurityToken> SecurityTokens

private void RetrieveMetadata()
{
if (_syncAfter >= DateTimeOffset.UtcNow)
{
return;
}

_synclock.EnterWriteLock();
try
{
Expand All @@ -157,6 +163,7 @@ private void RetrieveMetadata()

_issuer = result.Issuer;
_tokens = tokens;
_syncAfter = DateTimeOffset.UtcNow + _configurationManager.AutomaticRefreshInterval;
}
catch (Exception ex)
{
Expand Down