/// <summary>
/// Instantiates a new <see cref="WebHookVerifyMethodFilter"/> instance.
/// </summary>
/// <param name="bodyTypeMetadata">The <see cref="IWebHookBodyTypeMetadata"/>.</param>
/// <param name="loggerFactory">The <see cref="ILoggerFactory"/>.</param>
public WebHookVerifyBodyTypeFilter(IWebHookBodyTypeMetadata bodyTypeMetadata, ILoggerFactory loggerFactory)
{
if (bodyTypeMetadata == null)
{
throw new ArgumentNullException(nameof(bodyTypeMetadata));
}
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
_bodyTypeMetadata = bodyTypeMetadata;
_logger = loggerFactory.CreateLogger <WebHookVerifyBodyTypeFilter>();
}
private void SourceData(BindingInfo bindingInfo, IWebHookBodyTypeMetadata bodyTypeMetadata)
{
if (bodyTypeMetadata == null)
{
return;
}
if (bodyTypeMetadata.BodyType == WebHookBodyType.Form)
{
bindingInfo.BinderModelName = WebHookConstants.ModelStateBodyModelName;
bindingInfo.BindingSource = BindingSource.Form;
return;
}
bindingInfo.BinderModelName = WebHookConstants.ModelStateBodyModelName;
bindingInfo.BindingSource = BindingSource.Body;
}
/// <summary>
/// Ensure given <paramref name="bodyTypeMetadata"/> is valid.
/// </summary>
/// <param name="bodyTypeMetadata">
/// An attribute that implements <see cref="IWebHookBodyTypeMetadata"/>.
/// </param>
protected void EnsureValidBodyTypeMetadata(IWebHookBodyTypeMetadata bodyTypeMetadata)
{
if (bodyTypeMetadata == null)
{
throw new ArgumentNullException(nameof(bodyTypeMetadata));
}
if (!bodyTypeMetadata.BodyType.HasValue)
{
return;
}
if (!Enum.IsDefined(typeof(WebHookBodyType), bodyTypeMetadata.BodyType.Value))
{
var message = string.Format(
CultureInfo.CurrentCulture,
Resources.General_InvalidEnumValue,
typeof(WebHookBodyType),
bodyTypeMetadata.BodyType.Value);
throw new InvalidOperationException(message);
}
}
private void Apply(
IWebHookBindingMetadata bindingMetadata,
IWebHookBodyTypeMetadata bodyTypeMetadata,
ParameterModel parameter)
{
var bindingInfo = parameter.BindingInfo;
if (bindingInfo?.BinderModelName != null ||
bindingInfo?.BinderType != null ||
bindingInfo?.BindingSource != null)
{
// User was explicit. Nothing to do.
return;
}
if (bindingInfo == null)
{
bindingInfo = parameter.BindingInfo = new BindingInfo();
}
var parameterName = parameter.ParameterName;
var parameterType = parameter.ParameterInfo.ParameterType;
switch (parameterName.ToUpperInvariant())
{
case "ACTION":
case "ACTIONS":
case "ACTIONNAME":
case "ACTIONNAMES":
SourceEvent(bindingInfo, parameterType);
break;
case "DATA":
SourceData(bindingInfo, bodyTypeMetadata);
break;
case "EVENT":
case "EVENTS":
case "EVENTNAME":
case "EVENTNAMES":
SourceEvent(bindingInfo, parameterType);
break;
case "ID":
SourceId(bindingInfo, parameterType);
break;
case "RECEIVER":
case "RECEIVERNAME":
SourceReceiver(bindingInfo, parameterType);
break;
case "RECEIVERID":
SourceId(bindingInfo, parameterType);
break;
case "WEBHOOKRECEIVER":
SourceReceiver(bindingInfo, parameterType);
break;
default:
// If additional parameters are configured and match, map them. If not, treat IFormCollection,
// JContainer and XElement parameters as data. IsAssignableFrom(...) looks reversed because this
// check is about model binding system support, not an actual assignment to the parameter.
if (!TrySourceAdditionalParameter(bindingInfo, bindingMetadata, parameterName) &&
(typeof(IFormCollection).IsAssignableFrom(parameterType) ||
typeof(JToken).IsAssignableFrom(parameterType) ||
typeof(XElement).IsAssignableFrom(parameterType)))
{
SourceData(bindingInfo, bodyTypeMetadata);
}
break;
}
}
