/// <summary>
/// Initializes a new instance of the <see cref="WebRequestBuilder"/> class.
/// </summary>
/// <param name="requestUri">The request URI.</param>
/// <param name="verb">The verb.</param>
/// <param name="tokens">The tokens.</param>
/// <param name="userAgent">The user agent.</param>
public WebRequestBuilder(Uri requestUri, HTTPVerb verb, OAuthTokens tokens, string userAgent = "")
: this(requestUri, verb, userAgent, null)
{
this.Tokens = tokens;
if (tokens != null)
{
if (string.IsNullOrEmpty(this.Tokens.ConsumerKey) || string.IsNullOrEmpty(this.Tokens.ConsumerSecret))
{
throw new ArgumentException("Consumer key and secret are required for OAuth requests.");
}
if (string.IsNullOrEmpty(this.Tokens.AccessToken) ^ string.IsNullOrEmpty(this.Tokens.AccessTokenSecret))
{
throw new ArgumentException("The access token is invalid. You must specify the key AND secret values.");
}
this.UseOAuth = true;
}
}
/// <summary>
/// Adds the OAuth Echo header to the supplied web request.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="tokens">The tokens.</param>
public static void AddOAuthEchoHeader(WebRequest request, OAuthTokens tokens)
{
WebRequestBuilder builder = new WebRequestBuilder(
new Uri("https://api.twitter.com/1.1/account/verify_credentials.json"),
HTTPVerb.POST,
tokens);
builder.PrepareRequest();
request.Headers.Add("X-Verify-Credentials-Authorization", builder.GenerateAuthorizationHeader());
request.Headers.Add("X-Auth-Service-Provider", "https://api.twitter.com/1.1/account/verify_credentials.json");
}