Node.js Requires Chilkat v11.0.0+

Upload Media to Twitter

Demonstrates uploading image or video files to Twitter. After uploading, the media_id can be used to attach the uploaded media to a tweet.

This example is deprecated and no longer valid.

Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    //  Assume we've previously obtained an access token and saved it to a JSON file..
    var jsonToken = new chilkat.JsonObject();
    success = jsonToken.LoadFile("qa_data/tokens/twitter.json");

    var http = new chilkat.Http();

    //  Provide the OAuth 1.0a credentials:
    http.OAuth1 = true;
    http.OAuthConsumerKey = "TWITTER_CONSUMER_KEY";
    http.OAuthConsumerSecret = "TWITTER_CONSUMER_SECRET";
    http.OAuthToken = jsonToken.StringOf("oauth_token");
    http.OAuthTokenSecret = jsonToken.StringOf("oauth_token_secret");

    var req = new chilkat.HttpRequest();
    req.HttpVerb = "POST";
    req.ContentType = "multipart/form-data";
    req.Path = "/1.1/media/upload.json";

    req.AddHeader("Expect","100-continue");

    //  Add a JPEG image file to the upload.
    var fac = new chilkat.FileAccess();

    jpgBytes = fac.ReadEntireFile("qa_data/jpg/starfish.jpg");
    req.AddBytesForUpload("media","starfish.jpg",jpgBytes);

    var resp = new chilkat.HttpResponse();
    success = http.HttpSReq("upload.twitter.com",443,true,req,resp);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    var jsonResponse = new chilkat.JsonObject();
    jsonResponse.EmitCompact = false;
    jsonResponse.Load(resp.BodyStr);

    if (resp.StatusCode !== 200) {
        console.log(jsonResponse.Emit());
        return;
    }

    //  Show the successful response:
    console.log(jsonResponse.Emit());
    console.log("Success.");

    //  A successful JSON response looks like this:

    //  	{
    //  	  "media_id": 793137045996646400,
    //  	  "media_id_string": "793137045996646400",
    //  	  "size": 6229,
    //  	  "expires_after_secs": 86400,
    //  	  "image": {
    //  	    "image_type": "image\/jpeg",
    //  	    "w": 120,
    //  	    "h": 120
    //  	  }
    //  	}
    //  

    //  Get the information from the JSON:
    console.log("media_id_string = " + jsonResponse.StringOf("media_id_string"));
    console.log("size = " + jsonResponse.IntOf("size"));
    console.log("image_type = " + jsonResponse.StringOf("image.image_type"));
    console.log("height/width = " + jsonResponse.IntOf("image.w") + "," + jsonResponse.IntOf("image.h"));

}

chilkatExample();