Chilkat Examples

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(C#) Twitter PIN-Based Authorization (Step 1)

Demonstrates the 1st step in Twitter PIN-based authorization using OAuth. The purpose of this step is to obtain a temporary request token that will be traded for an access token + secret in the final step. Once the access token + secret is obtained, the application can access the Twitter account in whatever ways it was authorized.

Note: The OAuth version 1 functionality demonstrated in this example is available in Chilkat v9.4.0 to be released approximately in mid-December 2012. Pre-releases are available upon request by sending email to support@chilkatsoft.com. (Please be sure to specify your programming language, operating system, framework, architecture, etc. to uniquely identify the build that is needed.)

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Chilkat.Http http = new Chilkat.Http();

http.OAuth1 = true;
http.OAuthConsumerKey = "my-consumer-key";
http.OAuthConsumerSecret = "my-consumer-secret";

Chilkat.HttpRequest req = new Chilkat.HttpRequest();
Chilkat.HttpResponse resp = http.PostUrlEncoded("https://api.twitter.com/oauth/request_token",req);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

if (resp.StatusCode == 200) {

    string oauthToken = resp.UrlEncParamValue(resp.BodyStr,"oauth_token");
    Debug.WriteLine("OAuth temporary request token = " + oauthToken);

    string oauthTokenSecret = resp.UrlEncParamValue(resp.BodyStr,"oauth_token_secret");
    Debug.WriteLine("OAuth temporary token secret = " + oauthTokenSecret);

    string oauthCbConfirmed = resp.UrlEncParamValue(resp.BodyStr,"oauth_callback_confirmed");
    Debug.WriteLine("OAuth callback confirmed  = " + oauthCbConfirmed);

    // At this point, the end-user needs to browse to the following
    // Twitter URL to log in to his/her Twitter account and get a PIN.
    // 
    // https://api.twitter.com/oauth/authenticate?oauth_token=OAUTH_TOKEN
    // 
    // (where OAUTH_TOKEN is replaced with the contents
    // of the OAuth temporary request token.)

    // Your application may have an embedded browser such
    // that it automatically navigates to the above URL, or it may
    // be necessary for the user to browse to this URL independently.

    // Once the PIN is obtained, your application should provide a means
    // for the end-user to enter it (by typing it into an input text box, for example), 
    // and then Step 2 (the final step) can begin.

}
else {
    Debug.WriteLine(http.LastErrorText);
}


 

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