Lianja Requires Chilkat v11.0.0+

Twitter - Application Only Authentication

Demonstrates how to get a Twitter OAuth2 token for application-only authentication.

This example is deprecated and no longer valid.

Lianja

llSuccess = .F.

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

//  Note: Define your Twitter apps at https://apps.twitter.com/

//  We're going to send an HTTPS POST that looks like this:

//  POST /oauth2/token HTTP/1.1
//  Host: api.twitter.com
//  User-Agent: My Twitter App v1.0.23
//  Authorization: Basic eHZ6MWV2RlM0d0VFUFRHRUZQSEJvZzpMOHFxOVBaeVJn
//                       NmllS0dFS2hab2xHQzB2SldMdzhpRUo4OERSZHlPZw==
//  Content-Type: application/x-www-form-urlencoded;charset=UTF-8
//  Content-Length: 29
//  Accept-Encoding: gzip
//  
//  grant_type=client_credentials

//  Update these values with your consumer key and secret (also known as API key and API secret).
lcConsumerKey = "TWITTER_CONSUMER_KEY"
lcConsumerSecret = "TWITTER_CONSUMER_SECRET"

loHttp = createobject("CkHttp")

loHttp.BasicAuth = .T.
loHttp.Login = lcConsumerKey
loHttp.Password = lcConsumerSecret

loReq = createobject("CkHttpRequest")
loReq.AddParam("grant_type","client_credentials")

loReq.HttpVerb = "POST"
loReq.ContentType = "application/x-www-form-urlencoded"

loResp = createobject("CkHttpResponse")
llSuccess = loHttp.HttpReq("https://api.twitter.com/oauth2/token",loReq,loResp)
if (llSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loReq
    release loResp
    return
endif

? "Response Status Code: " + str(loResp.StatusCode)

if (loResp.StatusCode <> 200) then
    ? "Expected a 200 response status code for success."
    ? loResp.BodyStr
    release loHttp
    release loReq
    release loResp
    return
endif

//  We should get a JSON response like this:

//  {
//      "token_type":"bearer",
//      "access_token":"..."
//  }

loJson = createobject("CkJsonObject")
loJson.Load(loResp.BodyStr)

? "Access token = " + loJson.StringOf("access_token")


release loHttp
release loReq
release loResp
release loJson