private void AddToCache(string key, AccessTokenItem accessTokenItem)
{
var options = new DistributedCacheEntryOptions().SetSlidingExpiration(TimeSpan.FromDays(cacheExpirationInDays));
lock (_lock)
{
_cache.SetString(key, System.Text.Json.JsonSerializer.Serialize(accessTokenItem), options);
}
}
private void AddAuthTokenToCache(string key, AccessTokenItem accessTokenItem)
{
var tokenExpiryMinutes = accessTokenItem.ExpiresIn.Subtract(DateTime.UtcNow).TotalMinutes;
var deductTokenExpiryMinutes = essManagedIdentityConfiguration.Value.DeductTokenExpiryMinutes < tokenExpiryMinutes ? essManagedIdentityConfiguration.Value.DeductTokenExpiryMinutes : 1;
var options = new DistributedCacheEntryOptions().SetSlidingExpiration(TimeSpan.FromMinutes(tokenExpiryMinutes - deductTokenExpiryMinutes));
options.SetAbsoluteExpiration(accessTokenItem.ExpiresIn);
lock (_lock)
{
_cache.SetString(key, JsonConvert.SerializeObject(accessTokenItem), options);
logger.LogInformation(EventIds.CachingExternalEndPointToken.ToEventId(), "Caching new token for external end point resource {resource} and expires in {ExpiresIn} with sliding expiration duration {options}.", key, Convert.ToString(accessTokenItem.ExpiresIn), JsonConvert.SerializeObject(options));
}
}
public async Task <string> GetAccessTokenAsync(string clientName, string apiScope, string secret)
{
AccessTokenItem accessToken = GetFromCache(clientName);
if (accessToken != null && accessToken.Expiry > DateTime.UtcNow)
{
return(accessToken.AccessToken);
}
AccessTokenItem accessTokenItem = await RequestNewToken(clientName, apiScope, secret);
AddToCache(clientName, accessTokenItem);
return(accessTokenItem.AccessToken);
}
public async Task <string> GetAccessToken(string client_name, string api_scope, string secret)
{
AccessTokenItem accessToken = GetFromCache(client_name);
if (accessToken != null && accessToken.Expiry > DateTime.UtcNow)
{
return(accessToken.AccessToken);
}
// Token not cached, or token is expired. Request new token from auth server
AccessTokenItem newAccessToken = await RequestNewToken(client_name, api_scope, secret);
AddToCache(client_name, newAccessToken);
return(newAccessToken.AccessToken);
}
public async Task <string> GetAccessToken()
{
string clientId = "ClientCredentials";
string secret = "538D080E-BDF6-4178-8F07-29AFBCFD755F";
string scope = "ApiTemplateApi";
AccessTokenItem accessToken = GetFromCache(clientId);
if (accessToken != null && accessToken.Expiry > DateTime.UtcNow)
{
return(accessToken.AccessToken);
}
// Token not cached, or token is expired. Request new token from auth server
AccessTokenItem newAccessToken = await RequestNewToken(clientId, scope, secret);
AddToCache(clientId, newAccessToken);
return(newAccessToken.AccessToken);
}
