/// <summary>
/// Gets the Client ID and Client Secret for the Instagram Client application.
/// </summary>
/// <param name="id">A (potentially empty) ID of a particular configuration for this WebHook.</param>
/// <returns>A <see cref="Tuple{T1,T2}"/> containing the Client ID and Client Secret.</returns>
protected virtual async Task <Tuple <string, string> > GetClientConfig(string id)
{
IWebHookReceiverConfig receiverConfig = _config.DependencyResolver.GetReceiverConfig();
string clientId = await receiverConfig.GetReceiverConfigAsync(ClientIdKey, id, InstagramWebHookReceiver.SecretMinLength, InstagramWebHookReceiver.SecretMaxLength);
ValidateConfig(ClientIdKey, clientId, id, InstagramWebHookReceiver.SecretMinLength, InstagramWebHookReceiver.SecretMaxLength);
string clientSecret = await receiverConfig.GetReceiverConfigAsync(InstagramWebHookReceiver.ReceiverName, id, InstagramWebHookReceiver.SecretMinLength, InstagramWebHookReceiver.SecretMaxLength);
ValidateConfig(InstagramWebHookReceiver.ReceiverName, clientSecret, id, InstagramWebHookReceiver.SecretMinLength, InstagramWebHookReceiver.SecretMaxLength);
return(Tuple.Create(clientId, clientSecret));
}
protected virtual async Task <string> GetReceiverConfig(HttpRequestMessage request, string name, string id, int minLength, int maxLength)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
if (name == null)
{
throw new ArgumentNullException("name");
}
// Look up configuration for this receiver and instance
HttpConfiguration httpConfig = request.GetConfiguration();
IWebHookReceiverConfig receiverConfig = httpConfig.DependencyResolver.GetReceiverConfig();
string secret = await receiverConfig.GetReceiverConfigAsync(name, id, minLength, maxLength);
if (secret == null)
{
string msg = string.Format(CultureInfo.CurrentCulture, ReceiverResources.Receiver_BadSecret, name, id, minLength, maxLength);
httpConfig.DependencyResolver.GetLogger().Error(msg);
HttpResponseMessage noSecret = request.CreateErrorResponse(HttpStatusCode.InternalServerError, msg);
throw new HttpResponseException(noSecret);
}
return(secret);
}
/// <summary>
/// Gets the receiver configuration with the given <paramref name="configurationName"/> and
/// <paramref name="id"/>.
/// </summary>
/// <param name="config">The current <see cref="IWebHookReceiverConfig"/>.</param>
/// <param name="configurationName">
/// The name of the configuration to obtain. Typically this is the name of the receiver, e.g. <c>github</c>.
/// </param>
/// <param name="id">
/// A (potentially empty) ID of a particular configuration for this <see cref="IWebHookReceiver"/>. This
/// allows an <see cref="IWebHookReceiver"/> to support multiple WebHook endpoints with individual
/// configurations.
/// </param>
/// <param name="minLength">The minimum length of the key value.</param>
/// <param name="maxLength">The maximum length of the key value.</param>
public static async Task <string> GetReceiverConfigAsync(
this IWebHookReceiverConfig config,
string configurationName,
string id,
int minLength,
int maxLength)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
if (configurationName == null)
{
throw new ArgumentNullException(nameof(configurationName));
}
// Look up configuration for this name and id.
var secret = await config.GetReceiverConfigAsync(configurationName, id);
// Verify that configuration value matches length requirements
if (secret == null || secret.Length < minLength || secret.Length > maxLength)
{
return(null);
}
return(secret);
}
