protected virtual async Task <string> GetTokenEndpoint(IdentityClientConfiguration configuration)
{
//TODO: Can use (configuration.Authority + /connect/token) directly?
var tokenEndpointUrlCacheKey = CalculateDiscoveryDocumentCacheKey(configuration);
var discoveryDocumentCacheItem = await DiscoveryDocumentCache.GetAsync(tokenEndpointUrlCacheKey);
if (discoveryDocumentCacheItem == null)
{
var discoveryResponse = await GetDiscoveryResponse(configuration);
if (discoveryResponse.IsError)
{
throw new AbpException($"Could not retrieve the OpenId Connect discovery document! " +
$"ErrorType: {discoveryResponse.ErrorType}. Error: {discoveryResponse.Error}");
}
discoveryDocumentCacheItem = new IdentityModelDiscoveryDocumentCacheItem(discoveryResponse.TokenEndpoint);
await DiscoveryDocumentCache.SetAsync(tokenEndpointUrlCacheKey, discoveryDocumentCacheItem,
new DistributedCacheEntryOptions
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(configuration.CacheAbsoluteExpiration)
});
}
return(discoveryDocumentCacheItem.TokenEndpoint);
}
protected virtual string CalculateDiscoveryDocumentCacheKey(IdentityClientConfiguration configuration)
{
return(IdentityModelDiscoveryDocumentCacheItem.CalculateCacheKey(configuration));
}