public virtual async Task <string> GetAccessTokenAsync(IdentityClientConfiguration configuration)
{
var cacheKey = CalculateTokenCacheKey(configuration);
var tokenCacheItem = await TokenCache.GetAsync(cacheKey);
if (tokenCacheItem == null)
{
var tokenResponse = await GetTokenResponse(configuration);
if (tokenResponse.IsError)
{
if (tokenResponse.ErrorDescription != null)
{
throw new AbpException($"Could not get token from the OpenId Connect server! ErrorType: {tokenResponse.ErrorType}. " +
$"Error: {tokenResponse.Error}. ErrorDescription: {tokenResponse.ErrorDescription}. HttpStatusCode: {tokenResponse.HttpStatusCode}");
}
var rawError = tokenResponse.Raw;
var withoutInnerException = rawError.Split(new string[] { "<eof/>" }, StringSplitOptions.RemoveEmptyEntries);
throw new AbpException(withoutInnerException[0]);
}
tokenCacheItem = new IdentityModelTokenCacheItem(tokenResponse.AccessToken);
await TokenCache.SetAsync(cacheKey, tokenCacheItem,
new DistributedCacheEntryOptions
{
AbsoluteExpirationRelativeToNow = TimeSpan.FromSeconds(configuration.CacheAbsoluteExpiration)
});
}
return(tokenCacheItem.AccessToken);
}
protected virtual string CalculateTokenCacheKey(IdentityClientConfiguration configuration)
{
return(IdentityModelTokenCacheItem.CalculateCacheKey(configuration));
}