public T?ProcessActionResult(string?responseJson, Enum theAction)
{
var accAct = new AccountActivity();
if ((AccountActivityType)theAction == AccountActivityType.Webhooks)
{
accAct.WebhooksValue =
new WebhooksValue
{
Webhooks =
new Webhook?[]
{
string.IsNullOrWhiteSpace(responseJson) ?
new Webhook() :
JsonSerializer.Deserialize <Webhook>(responseJson)
}
}
}
;
else if ((AccountActivityType)theAction == AccountActivityType.Subscriptions)
{
accAct.SubscriptionValue = new SubscriptionValue {
IsSubscribed = true
}
}
;
return(accAct.ItemCast(default(T)));
}
}
/// <summary>
/// Deletes a new webhook to account
/// </summary>
/// <param name="webhookID">Url of webhook.</param>
/// <returns>Account Activity data.</returns>
public async Task <AccountActivity?> DeleteAccountActivityWebhookAsync(ulong webhookID, CancellationToken cancelToken = default)
{
if (webhookID == default)
{
throw new ArgumentException($"{nameof(webhookID)} must be set.", nameof(webhookID));
}
var newUrl = BaseUrl + $"account_activity/webhooks/{webhookID}.json";
var accActValue = new AccountActivity
{
WebhookID = webhookID
};
RawResult =
await TwitterExecutor.SendJsonToTwitterAsync(
HttpMethod.Delete.ToString(),
newUrl,
new Dictionary <string, string>(),
accActValue,
cancelToken)
.ConfigureAwait(false);
var reqProc = new AccountActivityRequestProcessor <AccountActivity>();
AccountActivity?accAct = reqProc.ProcessActionResult(RawResult, AccountActivityType.Webhooks);
if (accAct != null)
{
accAct.WebhookID = webhookID;
}
return(accAct);
}
/// <summary>
/// Adds a new webhook to account
/// </summary>
/// <param name="url">Url of webhook.</param>
/// <returns>Account Activity data.</returns>
public async Task <AccountActivity> AddAccountActivityWebhookAsync(string url, CancellationToken cancelToken = default(CancellationToken))
{
if (string.IsNullOrWhiteSpace(url))
{
throw new ArgumentException($"{nameof(url)} must be set.", nameof(url));
}
var newUrl = BaseUrl + $"account_activity/webhooks.json";
RawResult =
await TwitterExecutor.PostFormUrlEncodedToTwitterAsync <AccountActivity>(
HttpMethod.Post.ToString(),
newUrl,
new Dictionary <string, string>
{
{ "url", url }
},
cancelToken)
.ConfigureAwait(false);
var reqProc = new AccountActivityRequestProcessor <AccountActivity>();
AccountActivity accAct = reqProc.ProcessActionResult(RawResult, AccountActivityType.Webhooks);
accAct.Url = url;
return(accAct);
}
/// <summary>
/// Adds a user subscription to specified webhook
/// </summary>
/// <param name="webhookID">ID of webhook user is subscribing to.</param>
/// <returns>Account Activity data.</returns>
/// <exception cref="TwitterQueryException">
/// Throws TwitterQueryException when an AddAccountActivitySubscriptionAsync fails.
/// </exception>
public async Task <AccountActivity> AddAccountActivitySubscriptionAsync(ulong webhookID, CancellationToken cancelToken = default(CancellationToken))
{
if (webhookID == default(ulong))
{
throw new ArgumentException($"{nameof(webhookID)} must be set.", nameof(webhookID));
}
var newUrl = BaseUrl + $"account_activity/webhooks/{webhookID}/subscriptions.json";
var accActValue = new AccountActivityValue();
RawResult =
await TwitterExecutor.SendJsonToTwitterAsync(
HttpMethod.Post.ToString(),
newUrl,
new Dictionary <string, string>(),
accActValue,
cancelToken)
.ConfigureAwait(false);
var reqProc = new AccountActivityRequestProcessor <AccountActivity>();
AccountActivity accAct = reqProc.ProcessActionResult(RawResult, AccountActivityType.Subscriptions);
accAct.WebhookID = webhookID;
return(accAct);
}
public T ProcessActionResult(string responseJson, Enum theAction)
{
var accAct = new AccountActivity();
if ((AccountActivityType)theAction == AccountActivityType.Webhooks)
{
accAct.WebhooksValue =
new WebhooksValue
{
Webhooks =
new Webhook[]
{
responseJson == null ?
new Webhook() :
JsonConvert.DeserializeObject <Webhook>(responseJson)
}
}
}
;
else if ((AccountActivityType)theAction == AccountActivityType.Subscriptions)
{
accAct.SubscriptionValue = new SubscriptionValue {
IsSubscribed = true
}
}
;
return(accAct.ItemCast(default(T)));
}
}
public static bool IsValidPostSignature(this AccountActivity accAct, HttpRequestMessage request, string message, string consumerSecret)
{
string webhooksSignature =
request?.Headers
?.GetValues("x-twitter-webhooks-signature")
?.First()
?.Replace("sha256=", "");
if (webhooksSignature == null)
{
return(false);
}
byte[] webhookSignatureByes = Convert.FromBase64String(webhooksSignature);
byte[] keyBytes = Encoding.UTF8.GetBytes(consumerSecret);
byte[] contentBytes = Encoding.UTF8.GetBytes(message);
var hmac = new HMACSHA256(keyBytes);
var contentHash = hmac.ComputeHash(contentBytes);
if (!SecureCompareEqual(webhookSignatureByes, contentHash))
{
return(false);
}
return(true);
}
public static string BuildCrcResponse(this AccountActivity accAct, string crc_token, string consumerSecret)
{
byte[] keyBytes = Encoding.UTF8.GetBytes(consumerSecret);
byte[] crcBytes = Encoding.UTF8.GetBytes(crc_token);
var hmac = new HMACSHA256(keyBytes);
var hash = hmac.ComputeHash(crcBytes);
var base64Hmac = Convert.ToBase64String(hash);
return("sha256=" + base64Hmac);
}
