public Status UpdateStatus(string status)
{
if (status == null)
{
throw new ArgumentNullException("status");
}
if (string.IsNullOrEmpty(status))
{
throw new ArgumentException(
"status must not be empty",
"status");
}
if (status.Length > 140)
{
throw new ArgumentException(
"status must not be more than 140 characters",
"status");
}
OAuthResource resource = this.ExecuteRequest(
TwitterApi.ServiceDefinition,
new NameValueCollection
{
{ "status", status }
},
"http://twitter.com/statuses/update.xml", "POST");
return(Status.Deserialize(resource.GetResponseStream()));
}
/// <summary>
/// Verifies the user credentials and fetches extended user information
/// for the current user.
/// </summary>
/// <param name="user">(Out) extended user information</param>
/// <param name="options">API options</param>
/// <returns>
/// <para>
/// Returns <c>true</c> and sets <paramref name="user"/> to a
/// representation of the requesting user if authentication was
/// successful.
/// </para>
/// <para>
/// Returns <c>false</c> and sets <paramref name="user"/> to null
/// if authentication was not successful.
/// </para>
/// </returns>
public bool VerifyCredentials(out ExtendedUser user)
{
OAuthResource resource = this.ExecuteRequest(
TwitterApi.ServiceDefinition,
null,
"http://twitter.com/account/verify_credentials.xml", "GET");
switch (resource.StatusCode)
{
case HttpStatusCode.Unauthorized:
user = null;
return(false);
case HttpStatusCode.OK:
user = ExtendedUser.Deserialize(resource.GetResponseStream());
return(true);
default:
throw new InvalidOperationException(
string.Format(
CultureInfo.InvariantCulture,
"Unexpected response from Twitter account/verify_credentials.xml: {0}",
resource.StatusCode));
}
}
/// <summary>
/// Retrieves the 20 most recent statuses posted from the authenticated
/// user.
/// </summary>
/// <param name="options">API options</param>
/// <returns>List of statuses</returns>
public ReadOnlyCollection <Status> UserTimeline()
{
OAuthResource resource = this.ExecuteRequest(
TwitterApi.ServiceDefinition,
null,
"http://twitter.com/statuses/user_timeline.xml", "GET");
return(new ReadOnlyCollection <Status>(
new ListSerializationHelper().DeserializeStatusList(
resource.GetResponseStream())));
}
private OAuthResponse GetResource(NameValueCollection parameters, string contentType, System.IO.Stream bodyStream)
{
OAuthResponse response;
HttpWebRequest request = this.PrepareProtectedResourceRequest(parameters, contentType, bodyStream);
// A null value for the HttpWebRequest is returned when a ResponseToken is returned
// and no one has returned in the AuthorizationHandler continue with getting an AccessToken
// or an RequestToken exists but the AccessToken request was refused.
if (request == null)
{
response = new OAuthResponse(this.RequestToken);
}
else
{
OAuthResource resource;
OAuthParameters responseParameters;
try
{
resource = new OAuthResource((HttpWebResponse)request.GetResponse());
// Parse the parameters and re-throw any OAuthRequestException from the service provider
responseParameters = OAuthParameters.Parse(resource);
OAuthRequestException.TryRethrow(responseParameters);
// If nothing is thrown then we should have a valid resource.
response = new OAuthResponse(this.AccessToken ?? this.RequestToken, resource);
}
catch (WebException e)
{
// Parse the parameters and re-throw any OAuthRequestException from the service provider
responseParameters = OAuthParameters.Parse(e.Response as HttpWebResponse);
OAuthRequestException.TryRethrow(responseParameters);
// If no OAuthRequestException, rethrow the WebException
#warning TODO: We have consumer the WebException's body so rethrowing it is pretty pointless; wrap the WebException in an OAuthProtocolException and store the body (create an OAuthResource before parsing parameters)
throw;
}
}
return(response);
}
internal OAuthResponse(IToken token, OAuthResource resource)
{
this.Token = token;
this.ProtectedResource = resource;
this.HasProtectedResource = resource != null;
}
public string ResourceHtml(OAuthToken token, OAuthResource resource, OAuthApplication application)
{
return(string.Empty);
}
