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File: mysqli_login_with_twitter.php

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  Classes of Manuel Lemos  >  PHP OAuth API  >  mysqli_login_with_twitter.php  >  Download  
File: mysqli_login_with_twitter.php
Role: Example script
Content type: text/plain
Description: Example of logging in with Twitter using OAuth and storing the access token in a MySQL database
Class: PHP OAuth API
Authorize and access APIs using OAuth
Author: By
Last change: Removed debugging ResetAccessToken calls.
Date: 1 year ago
Size: 3,423 bytes
 

Contents

Class file image Download
<?php
/*
 * mysqli_login_with_twitter.php
 *
 * @(#) $Id: mysqli_login_with_twitter.php,v 1.5 2014/02/22 06:32:25 mlemos Exp $
 *
 */

    /*
     * Get the http.php file from http://www.phpclasses.org/httpclient
     */
   
require('http.php');
    require(
'oauth_client.php');
    require(
'database_oauth_client.php');
    require(
'mysqli_oauth_client.php');

   
/*
     * Create an object of the sub-class of the OAuth client class that is
     * specialized in storing and retrieving access tokens from MySQL
     * databases using the mysqli extension
     *
     * If you use a different database, replace this class by another
     * specialized in accessing that type of database
     */
   
$client = new mysqli_oauth_client_class;

   
/*
     * Define options specific to your database connection
     */
   
$client->database = array(
       
'host'=>'',
       
'user'=>'oauth',
       
'password'=>'oauth',
       
'name'=>'oauth',
       
'port'=>0,
       
'socket'=>'/var/lib/mysql/mysql.sock'
   
);
   
$client->server = 'Twitter';

   
/*
     * Set the offline access only if you need to call an API
     * when the user is not present and the token may expire
     */
   
$client->offline = true;

   
$client->debug = true;
   
$client->debug_http = true;
   
$client->redirect_uri = 'http://'.$_SERVER['HTTP_HOST'].
       
dirname(strtok($_SERVER['REQUEST_URI'],'?')).'/mysqli_login_with_twitter.php';

   
$client->client_id = ''; $application_line = __LINE__;
   
$client->client_secret = '';

    if(
strlen($client->client_id) == 0
   
|| strlen($client->client_secret) == 0)
        die(
'Please go to Twitter Apps page https://dev.twitter.com/apps/new , '.
           
'create an application, and in the line '.$application_line.
           
' set the client_id to Consumer key and client_secret with Consumer secret. '.
           
'The Callback URL must be '.$client->redirect_uri.' If you want to post to '.
           
'the user timeline, make sure the application you create has write permissions');

    if((
$success = $client->Initialize()))
    {
        if((
$success = $client->Process()))
        {
            if(
strlen($client->authorization_error))
            {
               
$client->error = $client->authorization_error;
               
$success = false;
            }
            elseif(
strlen($client->access_token))
            {
               
$success = $client->CallAPI(
                   
'https://api.twitter.com/1.1/account/verify_credentials.json',
                   
'GET', array(), array('FailOnAccessError'=>true), $user);

               
/*
                 * Once you were able to access the user account using the API
                 * you should associate the current OAuth access token a specific
                 * user, so you can call the API without the user presence, just
                 * specifying the user id in your database.
                 *
                 * In this example the user id is 1 . Your application should
                 * determine the right user is to associate.
                 */
               
if($success)
                   
$success = $client->SetUser(1);
            }
        }
       
$success = $client->Finalize($success);
    }
    if(
$client->exit)
        exit;
    if(
$success)
    {
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Twitter OAuth client results</title>
</head>
<body>
<?php
       
echo '<h1>', HtmlSpecialChars($user->name),
           
' you have logged in successfully with Twitter!</h1>';
        echo
'<pre>', HtmlSpecialChars(print_r($user, 1)), '</pre>';
?>
</body>
</html>
<?php
   
}
    else
    {
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>OAuth client error</title>
</head>
<body>
<h1>OAuth client error</h1>
<pre>Error: <?php echo HtmlSpecialChars($client->error); ?></pre>
</body>
</html>
<?php
   
}

?>