private IActionResult GetChallengeResponse(
IWebHookGetHeadRequestMetadata getHeadRequestMetadata,
string receiverName,
HttpRequest request,
RouteData routeData)
{
// Get the 'challenge' parameter from the request URI.
if (!request.Query.TryGetValue(getHeadRequestMetadata.ChallengeQueryParameterName, out var challenge))
{
Logger.LogInformation($"{getHeadRequestMetadata.ChallengeQueryParameterName} not found in query parameters!");
return(new BadRequestObjectResult($"{getHeadRequestMetadata.ChallengeQueryParameterName} not found in query parameters!"));
}
Logger.LogInformation(
403,
"Received a GET request for the '{ReceiverName}' WebHook receiver -- returning challenge response.",
receiverName);
// Echo the challenge back to the caller.
return(new ContentResult
{
Content = challenge,
});
}
private IActionResult GetChallengeResponse(
IWebHookGetHeadRequestMetadata getHeadRequestMetadata,
string receiverName,
HttpRequest request,
RouteData routeData)
{
// Get the 'challenge' parameter from the request URI.
var challenge = request.Query[getHeadRequestMetadata.ChallengeQueryParameterName];
if (StringValues.IsNullOrEmpty(challenge))
{
Logger.LogError(
400,
"A '{ReceiverName}' WebHook verification request must contain a '{ParameterName}' query " +
"parameter.",
receiverName,
getHeadRequestMetadata.ChallengeQueryParameterName);
var message = string.Format(
CultureInfo.CurrentCulture,
Resources.GetRequest_NoQueryParameter,
receiverName,
getHeadRequestMetadata.ChallengeQueryParameterName);
var noChallenge = new BadRequestObjectResult(message);
return(noChallenge);
}
// Echo the challenge back to the caller.
return(new ContentResult
{
Content = challenge,
});
}
/// <summary>
/// Instantiates a new <see cref="WebHookGetHeadRequestFilter"/> instance to short-circuit WebHook requests
/// based on the given <paramref name="getHeadRequestMetadata"/>.
/// </summary>
/// <param name="configuration">
/// The <see cref="IConfiguration"/> used to initialize <see cref="WebHookSecurityFilter.Configuration"/>.
/// </param>
/// <param name="hostingEnvironment">
/// The <see cref="IHostEnvironment" /> used to initialize
/// <see cref="WebHookSecurityFilter.HostingEnvironment"/>.
/// </param>
/// <param name="loggerFactory">
/// The <see cref="ILoggerFactory"/> used to initialize <see cref="WebHookSecurityFilter.Logger"/>.
/// </param>
/// <param name="getHeadRequestMetadata">The receiver's <see cref="IWebHookGetHeadRequestMetadata"/>.</param>
public WebHookGetHeadRequestFilter(
IConfiguration configuration,
IHostEnvironment hostingEnvironment,
ILoggerFactory loggerFactory,
IWebHookGetHeadRequestMetadata getHeadRequestMetadata)
: base(configuration, hostingEnvironment, loggerFactory)
{
if (getHeadRequestMetadata == null)
{
throw new ArgumentNullException(nameof(getHeadRequestMetadata));
}
_getHeadRequestMetadata = getHeadRequestMetadata;
}
