-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;
- }
-
- # CSRF protection
-
- $token = $this->trimmed('token');
-
- if (!$token || $token != common_session_token()) {
- $this->client_error(_('There was a problem with your session token. Try again, please.'));
- return;
- }
-
- $other_nickname = $this->arg('subscribeto');
-
- $result=subs_subscribe_user($user, $other_nickname);
-
- if($result != true) {
- common_user_error($result);
- return;
- }
-
- $cur = common_current_user();
- $profile = Profile::staticGet('nickname', $other_nickname);
- if ($this->boolean('ajax')) {
- common_start_html('text/xml');
- common_element_start('head');
- common_element('title', null, _('Subscribed'));
- common_element_end('head');
- common_element_start('body');
- common_unsubscribe_form($profile);
- common_element_end('body');
- common_element_end('html');
- } else {
- common_redirect(common_local_url('subscriptions', array('nickname' =>
- $user->nickname)));
+class SubscribeAction extends Action
+{
+ var $user;
+ var $other;
+
+ /**
+ * Check pre-requisites and instantiate attributes
+ *
+ * @param Array $args array of arguments (URL, GET, POST)
+ *
+ * @return boolean success flag
+ */
+
+ function prepare($args)
+ {
+ parent::prepare($args);
+
+ // Only allow POST requests
+
+ if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+ $this->clientError(_('This action only accepts POST requests.'));
+ return false;
+ }
+
+ // 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 false;
+ }
+
+ // Only for logged-in users
+
+ $this->user = common_current_user();
+
+ if (empty($this->user)) {
+ $this->clientError(_('Not logged in.'));
+ return false;
+ }
+
+ // Profile to subscribe to
+
+ $other_id = $this->arg('subscribeto');
+
+ $this->other = Profile::staticGet('id', $other_id);
+
+ if (empty($this->other)) {
+ $this->clientError(_('No such profile.'));
+ return false;
+ }
+
+ // OMB 0.1 doesn't have a mechanism for local-server-
+ // originated subscription.
+
+ $omb01 = Remote_profile::staticGet('id', $other_id);
+
+ if (!empty($omb01)) {
+ $this->clientError(_('You cannot subscribe to an OMB 0.1'.
+ ' remote profile with this action.'));
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Handle request
+ *
+ * Does the subscription and returns results.
+ *
+ * @param Array $args unused.
+ *
+ * @return void
+ */
+
+ function handle($args)
+ {
+ // Throws exception on error
+
+ Subscription::start($this->user->getProfile(),
+ $this->other);
+
+ if ($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, $this->other);
+ $unsubscribe->show();
+ $this->elementEnd('body');
+ $this->elementEnd('html');
+ } else {
+ $url = common_local_url('subscriptions',
+ array('nickname' => $this->user->nickname));
+ common_redirect($url, 303);