protected async Task EnsureAccessTokenAsync(bool forceRefresh = false)
{
var cacheKey = $"identity:accesstoken:{_clientKey}";
if (forceRefresh || !_cache.TryGetValue <AccessToken>(cacheKey, out var accessToken))
{
accessToken = await _accessTokenProvider.RequestAccessTokenAsync().ConfigureAwait(false);
var cacheEntryOptions = new MemoryCacheEntryOptions()
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(accessToken.ExpiryDurationSecs - 300)
};
_cache.Set(cacheKey, accessToken, cacheEntryOptions);
}
HttpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken.Token);
}
public async Task <RestClient> CreateWithAuthorizationHeader(string baseUrl, string accessTokenKey)
{
var client = new RestClient {
BaseUrl = new Uri(baseUrl)
};
if (!_cache.TryGetValue <AccessToken>(accessTokenKey, out var accessToken))
{
accessToken = await _accessTokenProvider.RequestAccessTokenAsync();
var expirySecs = Math.Max(accessToken.ExpiryDurationSecs - ExpiryBufferSecs, 0);
var cacheEntryOptions = new MemoryCacheEntryOptions
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(expirySecs)
};
_cache.Set(accessTokenKey, accessToken, cacheEntryOptions);
}
client.AddDefaultHeader("Authorization", $"Bearer {accessToken.Token}");
return(client);
}