Created
June 25, 2012 23:12
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Twitter OAuth Quickstart
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| <?php | |
| /* | |
| * uses tmhOauth from https://github.com/themattharris/tmhOAuth/ | |
| * and is mostly based on the oauth flow example from that library (thanks matt!) | |
| * | |
| * also need your own twitter api key / secret, and make sure it's got write access | |
| * if you want to publish posts (extra step when making your api key on twitter) | |
| * | |
| * | |
| */ | |
| //The setup... run these before anything else happens | |
| require 'tmhOAuth.php'; | |
| require 'tmhUtilities.php'; | |
| $twitter = new tmhOAuth(array( | |
| 'consumer_key' => 'YOUR_CONSUMER_KEY', | |
| 'consumer_secret' => 'YOUR_CONSUMER_SECRET', | |
| )); | |
| //call this at the top of your page before <html>, or just your login page if you prefer. | |
| //to start the login process, simply direct your user to "?page=login" (or change to suit). | |
| if ($_GET['page']=='login') { | |
| login_twitter_user(); | |
| } | |
| //this is the function it runs on login, you will have to sort out some of the variables like SITE_BASE | |
| //to log out, make a link to: yoursite.com/?wipe=true | |
| define('SITE_BASE','http://www.yoursite.com/'); | |
| function login_twitter_user(){ | |
| global $twitter; | |
| $here = tmhUtilities::php_self().'?page=login'; | |
| // reset request? | |
| if ( isset($_REQUEST['wipe'])) { | |
| session_destroy(); | |
| redirect(SITE_BASE); | |
| // already got some credentials stored? | |
| } elseif ( isset($_SESSION['access_token']) ) { | |
| $twitter->config['user_token'] = $_SESSION['access_token']['oauth_token']; | |
| $twitter->config['user_secret'] = $_SESSION['access_token']['oauth_token_secret']; | |
| $code = $twitter->request('GET', $twitter->url('1/account/verify_credentials')); | |
| if ($code == 200) { | |
| $resp = json_decode($twitter->response['response']); | |
| //echo $resp->screen_name; | |
| //print_r($resp); | |
| // ------------------------ | |
| // save_twitter_user($resp); //this is where you'd save the user to your database | |
| // ------------------------ | |
| } else { | |
| outputError($twitter); | |
| } | |
| // we're being called back by Twitter | |
| } elseif (isset($_REQUEST['oauth_verifier'])) { | |
| $twitter->config['user_token'] = $_SESSION['oauth']['oauth_token']; | |
| $twitter->config['user_secret'] = $_SESSION['oauth']['oauth_token_secret']; | |
| $code = $twitter->request('POST', $twitter->url('oauth/access_token', ''), array( | |
| 'oauth_verifier' => $_REQUEST['oauth_verifier'] | |
| )); | |
| if ($code == 200) { | |
| $_SESSION['access_token'] = $twitter->extract_params($twitter->response['response']); | |
| unset($_SESSION['oauth']); | |
| header("Location: {$here}"); | |
| } else { | |
| outputError($twitter); | |
| } | |
| // start the OAuth dance | |
| } elseif ( isset($_REQUEST['authenticate']) || isset($_REQUEST['authorize']) ) { | |
| $callback = isset($_REQUEST['oob']) ? 'oob' : $here; | |
| $params = array( | |
| 'oauth_callback' => $callback | |
| ); | |
| if (isset($_REQUEST['force_write'])) : | |
| $params['x_auth_access_type'] = 'write'; | |
| elseif (isset($_REQUEST['force_read'])) : | |
| $params['x_auth_access_type'] = 'read'; | |
| endif; | |
| $code = $twitter->request('POST', $twitter->url('oauth/request_token', ''), $params); | |
| if ($code == 200) { | |
| $_SESSION['oauth'] = $twitter->extract_params($twitter->response['response']); | |
| $method = isset($_REQUEST['authenticate']) ? 'authenticate' : 'authorize'; | |
| $force = isset($_REQUEST['force']) ? '&force_login=1' : ''; | |
| $authurl = $twitter->url("oauth/{$method}", '') . "?oauth_token={$_SESSION['oauth']['oauth_token']}{$force}"; | |
| //echo '<p>To complete the OAuth flow follow this URL: <a href="'. $authurl . '">' . $authurl . '</a></p>'; | |
| redirect($authurl); | |
| } else { | |
| outputError($twitter); | |
| } | |
| } | |
| } | |
| //simple error posting function used by the login function | |
| function outputError($twitter) { | |
| echo 'Error: ' . $twitter->response['response'] . PHP_EOL; | |
| tmhUtilities::pr($twitter); | |
| } | |
| //simple redirect helper function | |
| function redirect($page, $timeout = 0) { | |
| if ($timeout) { | |
| echo "<script type='text/javascript'> | |
| <!-- | |
| function getgoing() { | |
| top.location='$page'; | |
| } | |
| setTimeout('getgoing()',".($timeout*1000)."); | |
| //--> | |
| </script>"; | |
| } else { | |
| echo "<script type='text/javascript'> | |
| <!-- | |
| top.location = '$page' | |
| //--> | |
| </script>"; | |
| } | |
| } |
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