public function callbackAction() {
/* Get the saved tokens */
$oauth_token = $this->_properties->getProperty('twitter_oauth_token');
$oauth_token_secret = $this->_properties->getProperty('twitter_oauth_token_secret');
if (!isset($oauth_token) && !isset($oauth_token_secret)) {
$this->addErrorMessage("Missing temporary OAuth tokens");
$this->_forward('index');
return;
}
/* Get the consumer key and secret from the config */
if (! isset($this->_config->twitter->consumer_key) && !isset($this->_config->twitter->consumer_secret)) {
$this->addErrorMessage("Missing OAuth consumer key and secret");
$this->_forward('index');
return;
}
$consumer_key = $this->_config->twitter->consumer_key;
$consumer_secret = $this->_config->twitter->consumer_secret;
$oauth_callback = $this->getStaticUrl() . "/admin/sns/callback";
/* If the oauth_token is old redirect to the connect page. */
if (isset($_REQUEST['oauth_token'])) {
if ($oauth_token != $_REQUEST['oauth_token']) {
$this->_properties->deleteProperty("twitter_auth");
die("Session should be cleared");
}
}
/* Create TwitteroAuth object with app key/secret and token key/secret from default phase */
$connection = new TwitterOAuth_Client($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret);
/* Request access tokens from twitter */
$access_token = $connection->getAccessToken($_REQUEST['oauth_verifier']);
/* Save the access tokens. Normally these would be saved in a database for future use. */
$this->_properties->setProperty('twitter_oauth_token', $access_token['oauth_token']);
$this->_properties->setProperty('twitter_oauth_token_secret', $access_token['oauth_token_secret']);
$this->_properties->setProperty('twitter_user_id', $access_token['user_id']);
$this->_properties->setProperty('twitter_username', $access_token['screen_name']);
/* If HTTP response is 200 continue otherwise send to connect page to retry */
if (200 == $connection->http_code) {
/* The user has been verified and the access tokens can be saved for future use */
$this->_properties->setProperty('twitter_auth', true);
} else {
/* Save HTTP status for error dialog on connnect page.*/
die("Error, We should clear the session.");
}
$this->_forward('index');
}
