Broke some stuff out into functions. Ran it through phpcs.
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Zach Copley
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e3bb64cd6c
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@ -19,7 +19,7 @@
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category TwitterauthorizationAction
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* @category Twitter
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* @package Laconica
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* @author Zach Copely <zach@controlyourself.ca>
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* @copyright 2009 Control Yourself, Inc.
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@ -31,9 +31,31 @@ if (!defined('LACONICA')) {
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exit(1);
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}
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/**
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* Class for doing OAuth authentication against Twitter
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*
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* Peforms the OAuth "dance" between Laconica and Twitter -- requests a token,
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* authorizes it, and exchanges it for an access token. It also creates a link
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* (Foreign_link) between the Laconica user and Twitter user and stores the
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* access token and secret in the link.
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*
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* @category Twitter
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* @package Laconica
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* @author Zach Copley <zach@controlyourself.ca>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*
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*/
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class TwitterauthorizationAction extends Action
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{
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/**
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* Initialize class members. Looks for 'oauth_token' parameter.
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*
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* @param array $args misc. arguments
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*
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* @return boolean true
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*/
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function prepare($args)
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{
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parent::prepare($args);
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@ -43,6 +65,13 @@ class TwitterauthorizationAction extends Action
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return true;
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}
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/**
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* Handler method
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*
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* @param array $args is ignored since it's now passed in in prepare()
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*
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* @return nothing
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*/
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function handle($args)
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{
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parent::handle($args);
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@ -51,7 +80,7 @@ class TwitterauthorizationAction extends Action
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$this->clientError(_('Not logged in.'), 403);
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}
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$user = common_current_user();
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$user = common_current_user();
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$flink = Foreign_link::getByUserID($user->id, TWITTER_SERVICE);
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// If there's already a foreign link record, it means we already
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@ -66,89 +95,126 @@ class TwitterauthorizationAction extends Action
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// process
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if (empty($this->oauth_token)) {
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try {
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// Get a new request token and authorize it
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$client = new TwitterOAuthClient();
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$req_tok = $client->getRequestToken();
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// Sock the request token away in the session temporarily
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$_SESSION['twitter_request_token'] = $req_tok->key;
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$_SESSION['twitter_request_token_secret'] = $req_tok->key;
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$auth_link = $client->getAuthorizeLink($req_tok);
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} catch (TwitterOAuthClientException $e) {
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$msg = sprintf('OAuth client cURL error - code: %1s, msg: %2s',
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$e->getCode(), $e->getMessage());
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$this->serverError(_('Couldn\'t link your Twitter account.'));
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}
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common_redirect($auth_link);
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$this->authorizeRequestToken();
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} else {
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// Check to make sure Twitter returned the same request
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// token we sent them
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if ($_SESSION['twitter_request_token'] != $this->oauth_token) {
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$this->serverError(_('Couldn\'t link your Twitter account.'));
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}
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try {
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$client = new TwitterOAuthClient($_SESSION['twitter_request_token'],
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$_SESSION['twitter_request_token_secret']);
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// Exchange the request token for an access token
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$atok = $client->getAccessToken();
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// Save the access token and Twitter user info
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$client = new TwitterOAuthClient($atok->key, $atok->secret);
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$twitter_user = $client->verify_credentials();
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} catch (OAuthClientException $e) {
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$msg = sprintf('OAuth client cURL error - code: %1s, msg: %2s',
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$e->getCode(), $e->getMessage());
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$this->serverError(_('Couldn\'t link your Twitter account.'));
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}
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$user = common_current_user();
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$flink = new Foreign_link();
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$flink->user_id = $user->id;
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$flink->foreign_id = $twitter_user->id;
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$flink->service = TWITTER_SERVICE;
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$flink->token = $atok->key;
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$flink->credentials = $atok->secret;
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$flink->created = common_sql_now();
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$flink->set_flags(true, false, false, false);
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$flink_id = $flink->insert();
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if (empty($flink_id)) {
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common_log_db_error($flink, 'INSERT', __FILE__);
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$this->serverError(_('Couldn\'t link your Twitter account.'));
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}
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save_twitter_user($twitter_user->id, $twitter_user->screen_name);
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// clean up the the mess we made in the session
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unset($_SESSION['twitter_request_token']);
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unset($_SESSION['twitter_request_token_secret']);
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common_redirect(common_local_url('twittersettings'));
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$this->saveAccessToken();
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}
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}
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/**
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* Asks Twitter for a request token, and then redirects to Twitter
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* to authorize it.
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*
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* @return nothing
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*/
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function authorizeRequestToken()
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{
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try {
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// Get a new request token and authorize it
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$client = new TwitterOAuthClient();
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$req_tok = $client->getRequestToken();
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// Sock the request token away in the session temporarily
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$_SESSION['twitter_request_token'] = $req_tok->key;
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$_SESSION['twitter_request_token_secret'] = $req_tok->key;
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$auth_link = $client->getAuthorizeLink($req_tok);
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} catch (TwitterOAuthClientException $e) {
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$msg = sprintf('OAuth client cURL error - code: %1s, msg: %2s',
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$e->getCode(), $e->getMessage());
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$this->serverError(_('Couldn\'t link your Twitter account.'));
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}
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common_redirect($auth_link);
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}
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/**
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* Called when Twitter returns an authorized request token. Exchanges
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* it for an access token and stores it.
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*
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* @return nothing
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*/
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function saveAccessToken()
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{
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// Check to make sure Twitter returned the same request
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// token we sent them
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if ($_SESSION['twitter_request_token'] != $this->oauth_token) {
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$this->serverError(_('Couldn\'t link your Twitter account.'));
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}
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try {
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$client = new TwitterOAuthClient($_SESSION['twitter_request_token'],
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$_SESSION['twitter_request_token_secret']);
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// Exchange the request token for an access token
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$atok = $client->getAccessToken();
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// Test the access token and get the user's Twitter info
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$client = new TwitterOAuthClient($atok->key, $atok->secret);
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$twitter_user = $client->verify_credentials();
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} catch (OAuthClientException $e) {
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$msg = sprintf('OAuth client cURL error - code: %1$s, msg: %2$s',
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$e->getCode(), $e->getMessage());
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$this->serverError(_('Couldn\'t link your Twitter account.'));
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}
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// Save the access token and Twitter user info
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$this->saveForeignLink($atok, $twitter_user);
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// Clean up the the mess we made in the session
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unset($_SESSION['twitter_request_token']);
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unset($_SESSION['twitter_request_token_secret']);
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common_redirect(common_local_url('twittersettings'));
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}
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/**
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* Saves a Foreign_link between Twitter user and local user,
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* which includes the access token and secret.
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*
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* @param OAuthToken $access_token the access token to save
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* @param mixed $twitter_user twitter API user object
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*
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* @return nothing
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*/
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function saveForeignLink($access_token, $twitter_user)
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{
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$user = common_current_user();
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$flink = new Foreign_link();
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$flink->user_id = $user->id;
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$flink->foreign_id = $twitter_user->id;
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$flink->service = TWITTER_SERVICE;
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$flink->token = $access_token->key;
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$flink->credentials = $access_token->secret;
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$flink->created = common_sql_now();
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// Defaults: noticesync on, everything else off
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$flink->set_flags(true, false, false, false);
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$flink_id = $flink->insert();
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if (empty($flink_id)) {
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common_log_db_error($flink, 'INSERT', __FILE__);
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$this->serverError(_('Couldn\'t link your Twitter account.'));
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}
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save_twitter_user($twitter_user->id, $twitter_user->screen_name);
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}
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}
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