if (!defined('LACONICA')) { exit(1); }
-class SubscribeAction extends Action {
-
- function handle($args) {
- parent::handle($args);
-
- if (!common_logged_in()) {
- common_user_error(_('Not logged in.'));
- return;
- }
-
- $user = common_current_user();
-
- if ($_SERVER['REQUEST_METHOD'] != 'POST') {
- common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
- return;
- }
-
- $other_nickname = $this->arg('subscribeto');
-
- $result=subs_subscribe_user($user, $other_nickname);
- if($result != true) {
- common_user_error($result);
- return;
- }
-
- common_redirect(common_local_url('subscriptions', array('nickname' =>
- $user->nickname)));
- }
-
-}
\ No newline at end of file
+class SubscribeAction extends Action
+{
+
+ function handle($args)
+ {
+ parent::handle($args);
+
+ if (!common_logged_in()) {
+ $this->clientError(_('Not logged in.'));
+ return;
+ }
+
+ $user = common_current_user();
+
+ if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+ common_redirect(common_local_url('subscriptions', array('nickname' => $user->nickname)));
+ return;
+ }
+
+ # CSRF protection
+
+ $token = $this->trimmed('token');
+
+ if (!$token || $token != common_session_token()) {
+ $this->clientError(_('There was a problem with your session token. Try again, please.'));
+ return;
+ }
+
+ $other_id = $this->arg('subscribeto');
+
+ $other = User::staticGet('id', $other_id);
+
+ if (!$other) {
+ $this->clientError(_('Not a local user.'));
+ return;
+ }
+
+ $result = subs_subscribe_to($user, $other);
+
+ if($result != true) {
+ $this->clientError($result);
+ return;
+ }
+
+ if ($this->boolean('ajax')) {
+ $this->startHTML('text/xml;charset=utf-8');
+ $this->elementStart('head');
+ $this->element('title', null, _('Subscribed'));
+ $this->elementEnd('head');
+ $this->elementStart('body');
+ $unsubscribe = new UnsubscribeForm($this, $other->getProfile());
+ $unsubscribe->show();
+ $this->elementEnd('body');
+ $this->elementEnd('html');
+ } else {
+ common_redirect(common_local_url('subscriptions', array('nickname' =>
+ $user->nickname)));
+ }
+ }
+}