PHP Classes

File: login_with_twitter2.php

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  Classes of Manuel Lemos   PHP OAuth Library   login_with_twitter2.php   Download  
File: login_with_twitter2.php
Role: Example script
Content type: text/plain
Description: Example of how to implement application-only access to Twitter API using OAuth 2 client_credentials grant_type
Class: PHP OAuth Library
Authorize and access APIs using OAuth
Author: By
Last change:
Date: 9 years ago
Size: 2,283 bytes
 

Contents

Class file image Download
<?php
/*
 * login_with_twitter2.php
 *
 * @(#) $Id: login_with_twitter2.php,v 1.1 2014/09/29 00:59:40 mlemos Exp $
 *
 */

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

   
$client = new oauth_client_class;
   
$client->debug = 1;
   
$client->debug_http = 1;
   
$client->server = 'Twitter2';
   
$client->redirect_uri = 'http://'.$_SERVER['HTTP_HOST'].
       
dirname(strtok($_SERVER['REQUEST_URI'],'?')).'/login_with_twitter2.php';

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

   
/*
     * Set the grant_type to client_credentials to obtain application only authorization
     */
   
$client->grant_type = 'client_credentials';

    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->access_token))
            {
               
$success = $client->CallAPI(
                   
'https://api.twitter.com/1.1/users/show.json?screen_name=phpclasses',
                   
'GET', array(), array('FailOnAccessError'=>true), $user);
            }
            else
               
$success = strlen($client->error = $client->access_token_error) === 0;
        }
       
$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 2 client results</title>
</head>
<body>
<?php
       
echo '<h1>Retrieved the Twitter profile of ', HtmlSpecialChars($user->name),
           
' successfully!</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
   
}

?>