public async Task <IActionResult> Get(string url, string token)
{
try
{
Uri uri;
string[] allowedHosts = _configuration["AllowedMediaHosts"].Split(',');
if (!VerifyUrlIfEncryptionMode(url, token) ||
!Uri.IsWellFormedUriString(url, UriKind.Absolute) ||
!Uri.TryCreate(url, UriKind.Absolute, out uri) ||
!SecurityUtility.IsAllowedHost(uri.Host, allowedHosts)
)
{
_logger.LogWarning(string.Format("Invalid request attempted with the following url \"{0}\".", url));
return(new BadRequestResult());
}
var data = await _cacheService.GetContent(uri);
return(new FileContentResult(data.Data, data.ContentType ?? "application/octet-stream"));
}
catch (AssetNotFoundException ex)
{
_logger.LogError(ex.Message);
return(new StatusCodeResult(502)); //Bad Gateway
}
catch (ServiceUnavailableException ex)
{
_logger.LogError(ex.Message);
return(new StatusCodeResult(503)); //Service Unavailable
}
catch (UnsupportedContentTypeException ex)
{
_logger.LogError(ex.Message);
return(new StatusCodeResult(415)); //Unsupported Media Type
}
catch (InvalidUriException ex)
{
_logger.LogError(ex.Message);
return(new StatusCodeResult(400)); //Bad request
}
catch (Exception ex)
{
_logger.LogCritical("Configuration error - please check application configuration", ex);
throw; // 500 Internal Server Error
}
}