I am looking to create facebook login system in my website using javascript SDK. I am able to login as per details mentioned in facebook website. I am trying to enter data in mysql database primarily email ID of users. I am unable to do so despite different options. Need help. also how to disappear login button once user is logged into the system. Please help. below is the basic code
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
</head>
<body>
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function() {
FB.init({
appId : 'XXXX',
channelUrl : '//XXXX',
status : true,
cookie : true,
xfbml : true
});
FB.Event.subscribe('auth.authResponseChange', function(response) {
if (response.status === 'connected') {
testAPI();
} else if (response.status === 'not_authorized') {
FB.login();
} else {
FB.login();
}
});
};
(function(d){
var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
ref.parentNode.insertBefore(js, ref);
}(document));
function testAPI() {
console.log('Welcome! Fetching your information.... ');
FB.api('/me', function(response) {
$.post('send.php', {'name':response.name});
alert('Good to see you, ' + response.email + '.');
});
}
</script>
<fb:login-button show-faces="true" autologoutlink="true" scope="user_about_me,email" width="200" size= "large" max-rows="1"></fb:login-button>
<div class="fb-like" data-send="true" data-width="450" data-show-faces="true"> </div>
</body>
</html>
Related
so far I am following the facebook doc to get started to connect webapp to facebook api. but i am lost somewhere.
"<script>"
$(document).ready(function() {
$.ajaxSetup({
cache: true
});
$.getScript('//connect.facebook.net/en_US/sdk.js', function() {
FB.init({
appId: '{app-id}',
version: 'v2.5' // or v2.0, v2.1, v2.2, v2.3
});
$('#loginbutton,#feedbutton').removeAttr('disabled');
FB.getLoginStatus(updateStatusCallback);
});
});
"</script>"
where and how should i wright the fql query
what is the access token, does it changes over time for same page.
where should i give the access token to get the data from facebook.
<html>
<head>
<meta charset="utf-8"/>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js" ></script>
</head>
<body style="background-color:#cfeae3;">
<script>
window.fbAsyncInit = function() {
FB.init({
appId : '<your app id>',
xfbml : true,
version : 'v2.5'
});
};
(function(d, s, id){
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) {return;}
js = d.createElement(s); js.id = id;
js.src = "//connect.facebook.net/en_US/sdk.js";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
function getData(){
FB.getLoginStatus(function(response) {
if (response.status == 'connected') {
city = $('#city').val(); FB.api("<query>",function(responses){
}else if (response.status === 'not_authorized') {
alert("not auth");
document.getElementById('response').innerHTML = 'not logged in' ;
} else {
alert("not conne");
document.getElementById('response').innerHTML = 'not connected';
}
});
}
</script>
<div class="container">
<div id="tfheader" align="center">
<input type="text" class="tftextinput" name="q" id= "city"/>
<input id="btn" class="tfbutton" type="submit" onclick="getData()" />
</div>
</body>
</html>
I am using the following code for facebook authentication.
<html>
<head>
</head>
<body>
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function() {
FB.init({
appId : '498085136....',
status : true,
cookie : true,
xfbml : true,
oauth : true,
});
};
(function(d){
var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
d.getElementsByTagName('head')[0].appendChild(js);
}(document));
//LOGIN FUNCTION
function login() {
FB.login(function(response) {
if (response.authResponse) {
alert('Success!');
}else{
alert('Login Failed!');
}
}, {scope: 'email'});
}
</script>
<div onclick="login();">Login with Facebook</div>
</body>
</html>
I dont know what's wrong with that code. When i check my error console, it shows FB is not defined..
Thanks in advance.
Make your html tag like this
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:fb="http://www.facebook.com/2008/fbml">
Basically I am new to using the facebook api and I'm having issues with trying to get my code working, the following code should provide a prompt if the user has not logged in but I'm not sure what is wrong with it.
http://apps.facebook.com/biographyscribe/
<html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en-US"
xmlns:fb="https://www.facebook.com/2008/fbml">
<head>
<title></title>
</head>
<body>
<p>hello</p>
<script type="text/javascript">
window.fbAsyncInit = function() {
FB.init({
appId : '490455294310717', // App ID from the App Dashboard
channelUrl: 'channel.php',
status : true, // check the login status upon init?
cookie : true, // set sessions cookies to allow your server to
xfbml : true // parse XFBML tags on this page?
});
// Additional initialization code such as adding Event Listeners goes here
FB.getLoginStatus(function(response) {
if (response.status === 'connected') {
var uid = response.authResponse.userID;
accessToken = response.authResponse.accessToken;
} else if (response.status === 'not_authorized'){
FB.login();
} else {
window.top.location = 'https://www.facebook.com/index.php';
}
});
};
// Load the SDK's source Asynchronously
(function(d, debug){
var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all" + (debug ? "/debug" : "") + ".js";
ref.parentNode.insertBefore(js, ref);
}(document, /*debug*/ false));
</script>
<div id="fb-root"></div>
</body>
</html
>
As #CBroe mentioned in one of the comments, FB.login cannot be called outside of a user interaction due to popup-blockers.
Instead, make available a button/link, and have this call FB.login.
I am Unable to take the Permissions Dialog as well as Login to Facebook here is my code:
<!DOCTYPE html>
<html>
<head>
<title>My Page</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.2.0-alpha.1/jquery.mobile-1.2.0-alpha.1.min.css" />
<script src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
<script src="http://code.jquery.com/mobile/1.2.0-alpha.1/jquery.mobile-1.2.0-alpha.1.min.js"></script>
</head>
<body>
<div data-role="page">
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function() {
FB.init({
appId : 'APP_ID', // App ID
channelUrl : 'http://connect.facebook.net/en_US/all.js', // Channel File
status : true, // check login status
cookie : true, // enable cookies to allow the server to access the session
xfbml : true // parse XFBML
});
FB.Event.subscribe('auth.statusChange', handleStatusChange);
};
function handleStatusChange(response) {
document.body.className = response.authResponse ? 'connected' : 'not_connected';
if (response.authResponse) {
// console.log(response);
FB.api('/me/likes/171099129606813', function(response) {
if ( response.data.length === 1 ) { //there should only be a single value inside "data"
console.log('You like it');
} else {
console.log("You don't like it");
}
});
}
else
{
FB.login(function(response) {
if (response.status == 'connected') {
//console.log(response);
FB.api('/me/likes/171099129606813', function(response) {
console.log(response);
});
} else {
alert('Not Logged In');
// user is not logged in
}
}, {scope: 'email,user_likes'});
}
}
// Load the SDK Asynchronously
(function(d){
var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
ref.parentNode.insertBefore(js, ref);
}(document));
</script>
<div data-role="header">
<h1>My Title</h1>
</div><!-- /header -->
<div data-role="content">
<p>Hello world</p>
</div><!-- /content -->
</div><!-- /page -->
</body>
</html>
still its not taking me to authentication page it is changing the class name of body but not working on fb login
It took me today a while to understand that window.fbAsyncInit method is not fired on some mobile browsers (in fact on all mobile devices in my company). What you need to do is to add sth like this:
var called = false;
window.fbAsyncInit = function () {
if (called) return;
called = true;
// here the fb code
}
if (!called) window.fbAsyncInit();
This happened to me as well. The FB.login function was nested in a callback. In my case the browser was blocking the popup page from facebook. When I unblocked popups, it came up fine.
Beeing new with the facebook thing. How do you get the user information after the log in?
Here is the code:
<html>
<head>
<title>My Facebook Login Page</title>
</head>
<body>
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function() {
FB.init({
appId : 'APP_ID',
status : true,
cookie : true,
xfbml : true,
oauth : true,
});
};
(function(d){
var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
d.getElementsByTagName('head')[0].appendChild(js);
}(document));
</script>
<p><fb:login-button autologoutlink="true"></fb:login-button></p>
</body>
I red that I have to subscribe to the auth.login event and then use the FB.api... great but how do you do that?
I tried the following:
<html>
<head>
<title>My Facebook Login Page</title>
</head>
<body>
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function() {
FB.init({
appId : 'APP_ID',
status : true,
cookie : true,
xfbml : true,
oauth : true,
});
};
FB.auth.login{
FB.api('/me', function(response) {
alert(response.name);
});
}
};
(function(d){
var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
d.getElementsByTagName('head')[0].appendChild(js);
}(document));
</script>
<p><fb:login-button autologoutlink="true"></fb:login-button></p>
</body>
Thanks for the help. And sorry if I look stupid...
Once you initialize the facebook sdk (using FB.init) you can start using it for requests, events, etc.
The documentation talks about 5 Auth Methods. Which one you need depends on what you want to do and if the user already authorized your application and the permissions you are about to use.
If the user is not logged in to your application you need to use login method:
FB.login(function(response) {
if (response.authResponse) {
// logged in
}
else {
// not logged in
}
});
If he is already logged in, or you don't know what his status use getLoginStatus:
FB.getLoginStatus(function(response) {
if (response.status === "connected") {
// the user is logged in and has authenticated your app
FB.api("/me", function(apiresponse) {
console.log("api result: ", apiresponse);
});
}
else if (response.status === "not_authorized") {
// the user is logged in to Facebook, but has not authenticated your app
}
else {
// the user isn't logged in to Facebook.
}
});
To make api requests use the api method as in the example I gave you.
For the very beginners: I had to put the piece of code Nizan gave me and add it after the FB.init call as following:
<html>
<head>
<title>My Facebook Login Page</title>
</head>
<body>
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function() {
FB.init({
appId : 'APP_ID',
status : true,
cookie : true,
xfbml : true,
oauth : true,
});
FB.getLoginStatus(function(response) {
if (response.status === "connected") {
// the user is logged in and has authenticated your app
alert("You are logged in");
}
else if (response.status === "not_authorized") {
// the user is logged in to Facebook, but has not authenticated your app
}
else {
alert("You are not logged");
}
});
};
(function(d){
var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
d.getElementsByTagName('head')[0].appendChild(js);
}(document));
</script>
<p><fb:login-button autologoutlink="true"></fb:login-button></p>
</body>
</html>