+ static function registerEmail($email)
+ {
+ $old = User::getKV('email', $email);
+
+ if (!empty($old)) {
+ // TRANS: Error text when trying to register with an already registered e-mail address.
+ // TRANS: %s is the URL to recover password at.
+ throw new ClientException(sprintf(_m('A user with that email address already exists. You can use the '.
+ '<a href="%s">password recovery</a> tool to recover a missing password.'),
+ common_local_url('recoverpassword')));
+ }
+
+ $valid = false;
+
+ if (Event::handle('StartValidateUserEmail', array(null, $email, &$valid))) {
+ $valid = Validate::email($email, common_config('email', 'check_domain'));
+ Event::handle('EndValidateUserEmail', array(null, $email, &$valid));
+ }
+
+ if (!$valid) {
+ // TRANS: Error text when trying to register with an invalid e-mail address.
+ throw new ClientException(_m('Not a valid email address.'));
+ }
+
+ $confirm = Confirm_address::getAddress($email, self::CONFIRMTYPE);
+
+ if (empty($confirm)) {
+ $confirm = Confirm_address::saveNew(null, $email, 'register');
+ }
+
+ return $confirm;
+ }
+
+ static function nicknameFromEmail($email)
+ {
+ $parts = explode('@', $email);
+
+ $nickname = $parts[0];
+
+ $nickname = preg_replace('/[^A-Za-z0-9]/', '', $nickname);
+
+ $nickname = Nickname::normalize($nickname);
+
+ $original = $nickname;
+
+ $n = 0;
+
+ while (User::getKV('nickname', $nickname)) {
+ $n++;
+ $nickname = $original . $n;
+ }
+
+ return $nickname;
+ }
+
+ static function sendConfirmEmail($confirm, $title=null)