Facebook JS SDK API - Post Image to Feed

gistfile1.js

function share_image(img_url, text) {
//Check to see if the user has authenticated the App.
    FB.getLoginStatus(function(response) {

        if (response.status === 'connected') {
            //If you want the user's Facebook ID or their access token, this is how you get them.
            var uid = response.authResponse.userID;
            var access_token = response.authResponse.accessToken;

            do_api_share(access_token, img_url, text);

        } else {

            //If they haven't, call the FB.login method
            FB.login(function(response) {

                if (response.authResponse) {

                    //If you want the user's Facebook ID or their access token, this is how you get them.
                    var uid = response.authResponse.userID;
                    var access_token = response.authResponse.accessToken;

                    do_api_share(access_token, img_url, text);
                } else {
                    alert("You must install the application to share your greeting.");
                }
            }, {scope: 'publish_stream'});
        }
    });
}


function do_api_share(at, img_url, text) {

    FB.api("/me/photos", 'post', { message: text, url: img_url}, function(response) {
        
        console.log(response);

    });
}

//Calling the function

share_img("http://example.com/images/image-one.jpg", "Hi there!");