public static void Main( string[] args )
{
// Create twitteraccess object
access = new TwitterAccess();
// Request authorisation key
access.GetOAuthURL( OnReceiveAuthURL );
// Get all tweets with a location tag
QueryLocations world = new QueryLocations( new Coordinates( -180f, -90f ), new Coordinates( 180f, 90f ) );
access.AddQueryParameter( world );
// and with the word "bieber" in them
access.AddQueryParameter( new QueryTrack( "bieber" ) );
}
public string AuthoriseRequest(string[,] queryParameters, string url, bool useToken = true)
{
// make nOnce
StringBuilder no = new StringBuilder(32);
string alphanumeric = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890";
System.Random random = new System.Random();
for (int i = 0; i < 32; i++)
{
no.Append(alphanumeric[random.Next(alphanumeric.Length)]);
}
// set timestamp
string timeStamp = ((int)(System.DateTime.UtcNow - new System.DateTime(1970, 1, 1)).TotalSeconds).ToString();
// sort all the parameters to be signed
SortedDictionary <string, string> properties = new SortedDictionary <string, string>();
for (int i = 0; i < queryParameters.GetLength(0); i++)
{
properties.Add(queryParameters[i, 0], queryParameters[i, 1]);
}
properties.Add(TwitterAccess.UrlEncode("oauth_consumer_key"), TwitterAccess.UrlEncode(consumerKey));
properties.Add(TwitterAccess.UrlEncode("oauth_nonce"), no.ToString());
properties.Add(TwitterAccess.UrlEncode("oauth_signature_method"), TwitterAccess.UrlEncode(signatureMethod));
properties.Add(TwitterAccess.UrlEncode("oauth_timestamp"), timeStamp);
if (useToken)
{
properties.Add("oauth_token", TwitterAccess.UrlEncode(token));
}
properties.Add("oauth_version", TwitterAccess.UrlEncode(version));
// make parameter string
StringBuilder parameters = new StringBuilder();
foreach (KeyValuePair <string, string> kv in properties)
{
parameters.Append(kv.Key + "=" + kv.Value + "&");
}
parameters.Remove(parameters.Length - 1, 1);
// generate signature
string postParameters = "POST&" + TwitterAccess.UrlEncode(url) + "&" + TwitterAccess.UrlEncode(parameters.ToString());
string signature;
if (useToken)
{
signature = SignString(postParameters, TwitterAccess.UrlEncode(consumerSecret) + "&" + TwitterAccess.UrlEncode(tokenSecret));
}
else
{
signature = SignString(postParameters, TwitterAccess.UrlEncode(consumerSecret) + "&");
}
properties.Add("oauth_signature", TwitterAccess.UrlEncode(signature));
// construct auth header
// oauth_verifier is special case used only when getting new access tokens
StringBuilder header = new StringBuilder("OAuth ");
foreach (KeyValuePair <string, string> parameter in properties)
{
if (parameter.Key.StartsWith("oauth") && parameter.Key != "oauth_verifier")
{
header.Append(parameter.Key);
header.Append("=\"");
header.Append(parameter.Value);
header.Append("\",");
}
}
header.Remove(header.Length - 1, 1);
return(header.ToString());
}
