Showing posts with label PHP OAuth. Show all posts
Showing posts with label PHP OAuth. Show all posts

Wednesday, January 9, 2013

Facebook login integration with website, Login with Facebook for websites

Facebook provide OAuth support provides web developers are able to create a Login or Sign In option with Existing Facebook Account without spending more time on new registration on your website.
Herewith we saw how to integrate in to your website using  Login with Facebook Button in easy way.

In Order to Create a "Login with Facebook" for your website you need a Facebook account to generate APP_ID and APP_SECRET, Create a Facebook user account and Navigate to the App Developer Page

In Top right  press "Create New App" Button you will navigate to the following screen.

In this App Creation Popup, tell your app Display Name on your Facebook Login Popup. and App Namespace is Unique Identifier on Facebook (all lowercase) Check I Agree and Continue. in next screen expand Website Rown from "Select how your app Integrates with facebook" Section.

put your website URL which actually place the "Login with Facebook" Button. eg: or In case of Local testing you can put http://localhost/facebooklogin/
 press "Save Changes" on Bottom of that screen register your App on Facbook.

Now Your App is Ready and you can create "Login with Facbook" Button for your website.

1. PHP functions for Server Side handling to get Facebook data and store them to our database.
2. Create Login Button Using Facbook JavaScript SDK
3. Create Logout Button Using Facebook SDK

facebook-login.php  (full Source)

function get_facebook_cookie($app_id, $app_secret) { 
    $signed_request = parse_signed_request(@$_COOKIE['fbsr_' . $app_id], $app_secret);
    // $signed_request should now have most of the old elements
    $signed_request['uid'] = $signed_request['user_id']; // for compatibility 
    if (!is_null($signed_request)) {
        // the cookie is valid/signed correctly
        // lets change "code" into an "access_token"
  // openssl must enable on your server inorder to access HTTPS
        $access_token_response = file_get_contents("$app_id&redirect_uri=&client_secret=$app_secret&code={$signed_request['code']}");
        $signed_request['access_token'] = $access_token;
        $signed_request['expires'] = time() + $expires;
    return $signed_request;

function parse_signed_request($signed_request, $secret) {
  list($encoded_sig, $payload) = explode('.', $signed_request, 2); 

  // decode the data
  $sig = base64_url_decode($encoded_sig);
  $data = json_decode(base64_url_decode($payload), true);

  if (strtoupper($data['algorithm']) !== 'HMAC-SHA256') {
    error_log('Unknown algorithm. Expected HMAC-SHA256');
    return null;

  // check sig
  $expected_sig = hash_hmac('sha256', $payload, $secret, $raw = true);
  if ($sig !== $expected_sig) {
    error_log('Bad Signed JSON signature!');
    return null;

  return $data;

function base64_url_decode($input) {
  return base64_decode(strtr($input, '-_', '+/'));

if (isset($_COOKIE['fbsr_' . YOUR_APP_ID]))
$cookie = get_facebook_cookie(YOUR_APP_ID, YOUR_APP_SECRET);

$user = json_decode(@file_get_contents(
    '' .
Uncomment this to show all available variables
echo "<pre>";
 - print_r function expose all the values available to get from facebook login connect.
 1. Save nessary values from $user Object to your Database
 2. Register a Sesion Variable based on your user account code
 3. Redirect to Account Dashboard
echo "</pre>";
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "">
<html xmlns="">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Facebook Login Connect for Website Demo</title>
<style type="text/css">
body,td,th {
 font-family: Verdana, Geneva, sans-serif;
 font-size: 14px;
 color: #333;
body {
 margin-left: 50px;
 margin-top: 50px;
<?php if (@$cookie) { ?>
<h2>Welcome <?= $user->name ?> </h2> <br />
E-mail ID: <?= $user->email ?>
<br />
<a href="javascript://" onclick="FB.logout(function() { window.location='facebook-login.php' }); return false;" >Logout</a>
<?php } else { ?>
<h2>Welcome Guest! </h2>    
<div id="fb-root"></div>
<fb:login-button perms="email" width="width_value" show_faces="true" autologoutlink="true" size="large">Login with Facebook</fb:login-button>
<?php } ?>
<script src=""></script>   
 // Initiate FB Object
   appId: '<?= YOUR_APP_ID ?>', 
   status: true,
   cookie: true, 
   xfbml: true
 // Reloading after successfull login
 FB.Event.subscribe('auth.login', function(response) { 
If you have any problem feel free to comment

Download This Script     Facebook Connect Live Demo

Saturday, October 20, 2012

Get Yahoo contacts from address book

Mr. Antony request me how to list all email ids from user's yahoo email account. here is the simple solution to get all Emails from user contact list in yahoo address book.

In order to work with Yahoo Address book we need to create oauth Project on yahoo developer network. let us create it first.

Step: 1

Select My Projects on Top Right below the search box. (You are ask to Login with existing yahoo account)

Step: 2

 Click New Project Button

Step 3:

Select Application Type "Standard"

Step 4: ( Fill your Application as per the form below with your own values)

Step 5: (Get your Project Keys)

Application ID: below the Project Name
Consumer Key and Consumer Secret Inside the Box

Step 6: (Verify your Domain)


Step: 7 (Download Yahoo PHP SDK -  Included in Demo Download)

index.php ( Show the Button labled "Get Yahoo Contacts")
<p align="center"><br />

<a href="getContact.php" style="background:#939; color:#FFF; 
padding:10px; font-family:'Trebuchet MS', Arial, Helvetica, sans-serif; 
text-decoration:none; font-size:14px; font-style:italic; margin-top:50px; 
text-align:center;">Get Yahoo Contacts</a></p>


Get List of contacts using YQL after user access

<?php session_start();


// Replace your Own KEYS 

// Your Consumer Key (API Key) goes here.
// Your Consumer Secret goes here.
define('OAUTH_CONSUMER_SECRET', "febded04011a8e6e2f1227b9e24688f2252587a");
// Your application ID goes here.
define('OAUTH_APP_ID', "mShtC7c");
// Call back URL

    Consumer Key:
    Consumer Secret:
    Application URL:
    App Domain:


$session = YahooSession::requireSession(OAUTH_CONSUMER_KEY, OAUTH_CONSUMER_SECRET, OAUTH_APP_ID);   

$user = $session->getOwner();

$query = sprintf("select * from social.contacts where guid=me;");  
$response = $session->query($query); 


   foreach($response->query->results->contact as $id){

       foreach($id->fields as $subid){

               if( $subid->type == 'email' )
               $emails[] = $subid->value;


echo "<pre>";
<br />
<br />
<a href="index.php">Back</a>

Download This Script     Live Demo     Download Script

Friday, February 24, 2012

Login with Twitter OAuth Integration

Today we are going to see how to integrate Twitter OAuth Login Authentication with our website. Let us start How to integrate Login with Twitter Button in our website.

In order to Integrate Twitter Login for your website you need to obtain your Twitter Consumer key and Consumer secret.

Steps to get Twitter Consumer Key and Consumer Secret as follows:
1. Go to : and Login with your Twitter Account credential 

 2. On Top Right Drop down Menu Choose My Applications

3. In this area twitter list our existing apps. Create a First one by Choosing "Create a New Application"

Thursday, October 20, 2011

Introduction to Website Login with Google, Yahoo

When we are working with Website Account Registration / Account Login Page, We have to present a Signup form based on our website requirement. In case we are provide a simple signup form with Email, password, Confirm password. In this case we can use External website Login from OAuth Providers among most familiar  services among web. Such this think , Google, Yahoo, Facebook, Twitter all major services are provide OAuth to accept web developer/Website owners are use their credential to accept users on their websites.

Let us create a Login Page for our website to accept the visitors those who already have a account with Google or yahoo.

Let us Create Website login with Google account or Yahoo Account