Node.js

Facebook Upload Photo from Local File

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Uploads a new photo with a caption from a local file. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    // This example assumes Chilkat HTTP to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var http = new chilkat.Http();

    var req = new chilkat.HttpRequest();
    req.HttpVerb = "POST";
    req.ContentType = "multipart/form-data";
    req.Path = "/v2.7/me/photos";

    // Use the previously obtained access token.
    // Note: The publish_actions scope is required to upload a photo.
    req.AddHeader("Authorization","Bearer FACEBOOK-ACCESS-TOKEN");

    // Send an "Expect: 100-continue" header in the request.
    // This causes the HTTP server to end a 100-continue response
    // immediately after receiving the HTTP header.  The client
    // (Chilkat) will receive this intermediate response, and if
    // it's not an error response, it knows that the HTTP server will
    // accept the data that is forthcoming.
    // The alternative is to get an error response after trying to upload
    // the entire contents of the files.
    req.AddHeader("Expect","100-continue");

    // Set a photo caption.
    req.AddParam("caption","Here are some penguins!");

    // Additional parameters can be added to the request by 
    // calling AddParam once per parameter.  
    // See https://developers.facebook.com/docs/graph-api/reference/user/photos
    // for more information about other optional parameters.

    // Indicate the local file to be uploaded.
    success = req.AddFileForUpload("source","qa_data/jpg/penguins2.jpg");
    if (success == false) {
        console.log(req.LastErrorText);
        return;
    }

    // Upload the image file..
    var resp = new chilkat.HttpResponse();
    success = http.HttpSReq("graph.facebook.com",443,true,req,resp);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    // Examine the response body:
    var responseJson = resp.BodyStr;
    console.log(responseJson);

    // The response contains JSON, such as this:
    // {"id":"10210224963435862","post_id":"10224048320139890_10210224963435862"}

}

chilkatExample();