public async Task Invoke(HttpContext context)
{
bool validOk = false;
if (!string.IsNullOrWhiteSpace(option.AuthApiStartWith) && context.Request.Path.ToString().StartsWith(option.AuthApiStartWith))
{
StringValues token = StringValues.Empty;
if (context.Request.Headers.TryGetValue(option.TokenKey, out token))
{
if (await cache.ExistsAsync(token))
{
validOk = true;
}
}
}
else
{
validOk = true;
}
if (!validOk)
{
context.Response.StatusCode = StatusCodes.Status401Unauthorized;
}
else
{
await next(context);
}
}
private async Task <T> Get <T>(string key)
{
var json = string.Empty;
if (await _distributedCache.ExistsAsync(key))
{
json = await _distributedCache.GetCustomValueAsync <string>(key);
}
return(JsonConvert.DeserializeObject <T>(json));
}
public static async Task <T> GetAsync <T>(this IDistributedCache source, string key, TimeSpan time, Func <Task <T> > fetch) where T : class
{
if (await source.ExistsAsync(key))
{
return(await source.GetAsync <T>(key));
}
var result = await fetch();
if (result != null)
{
var stringToPersist = Newtonsoft.Json.JsonConvert.SerializeObject(result);
var data = Encoding.UTF8.GetBytes(stringToPersist);
var options = new DistributedCacheEntryOptions().SetSlidingExpiration(time);
source.Set(key, data, options);
}
return(result);
}
