Go 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This example is deprecated and no longer valid.

Go

    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..
    jsonToken := chilkat.NewJsonObject()
    success = jsonToken.LoadFile("qa_data/tokens/twitter.json")

    http := chilkat.NewHttp()

    //  Provide the OAuth 1.0a credentials:
    http.SetOAuth1(true)
    http.SetOAuthConsumerKey("TWITTER_CONSUMER_KEY")
    http.SetOAuthConsumerSecret("TWITTER_CONSUMER_SECRET")
    http.SetOAuthToken(jsonToken.StringOf("oauth_token"))
    http.SetOAuthTokenSecret(jsonToken.StringOf("oauth_token_secret"))

    req := chilkat.NewHttpRequest()
    req.SetHttpVerb("POST")
    req.SetContentType("multipart/form-data")
    req.SetPath("/1.1/media/upload.json")

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

    //  Add a JPEG image file to the upload.
    fac := chilkat.NewFileAccess()
    var jpgBytes []byte
    jpgBytes = fac.ReadEntireFile("qa_data/jpg/starfish.jpg")
    req.AddBytesForUpload("media","starfish.jpg",jpgBytes)

    resp := chilkat.NewHttpResponse()
    success = http.HttpSReq("upload.twitter.com",443,true,req,resp)
    if success == false {
        fmt.Println(http.LastErrorText())
        jsonToken.DisposeJsonObject()
        http.DisposeHttp()
        req.DisposeHttpRequest()
        fac.DisposeFileAccess()
        resp.DisposeHttpResponse()
        return
    }

    jsonResponse := chilkat.NewJsonObject()
    jsonResponse.SetEmitCompact(false)
    jsonResponse.Load(resp.BodyStr())

    if resp.StatusCode() != 200 {
        fmt.Println(*jsonResponse.Emit())
        jsonToken.DisposeJsonObject()
        http.DisposeHttp()
        req.DisposeHttpRequest()
        fac.DisposeFileAccess()
        resp.DisposeHttpResponse()
        jsonResponse.DisposeJsonObject()
        return
    }

    //  Show the successful response:
    fmt.Println(*jsonResponse.Emit())
    fmt.Println("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:
    fmt.Println("media_id_string = ", *jsonResponse.StringOf("media_id_string"))
    fmt.Println("size = ", jsonResponse.IntOf("size"))
    fmt.Println("image_type = ", *jsonResponse.StringOf("image.image_type"))
    fmt.Println("height/width = ", jsonResponse.IntOf("image.w"), ",", jsonResponse.IntOf("image.h"))

    jsonToken.DisposeJsonObject()
    http.DisposeHttp()
    req.DisposeHttpRequest()
    fac.DisposeFileAccess()
    resp.DisposeHttpResponse()
    jsonResponse.DisposeJsonObject()