gnu-social/actions/register.php

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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('LACONICA')) { exit(1); }
class RegisterAction extends Action {
function handle($args) {
parent::handle($args);
if (common_logged_in()) {
common_user_error(_t('Already logged in.'));
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$this->try_register();
} else {
$this->show_form();
}
}
function try_register() {
$nickname = $this->trimmed('nickname');
$email = $this->trimmed('email');
# We don't trim these... whitespace is OK in a password!
$password = $this->arg('password');
$confirm = $this->arg('confirm');
# Input scrubbing
$nickname = common_canonical_nickname($nickname);
$email = common_canonical_email($email);
if (!Validate::email($email, true)) {
$this->show_form(_t('Not a valid email address.'));
} else if (!Validate::string($nickname, array('min_length' => 1,
'max_length' => 64,
'format' => VALIDATE_NUM . VALIDATE_ALPHA_LOWER))) {
$this->show_form(_t('Nickname must have only letters and numbers and no spaces.'));
} else if ($this->nickname_exists($nickname)) {
$this->show_form(_t('Nickname already exists.'));
} else if ($this->email_exists($email)) {
$this->show_form(_t('Email address already exists.'));
} else if ($password != $confirm) {
$this->show_form(_t('Passwords don\'t match.'));
} else if ($this->register_user($nickname, $password, $email)) {
# success!
if (!common_set_user($nickname)) {
common_server_error(_t('Error setting user.'));
return;
}
common_redirect(common_local_url('profilesettings'));
} else {
$this->show_form(_t('Invalid username or password.'));
}
}
# checks if *CANONICAL* nickname exists
function nickname_exists($nickname) {
$user = User::staticGet('nickname', $nickname);
return ($user !== false);
}
# checks if *CANONICAL* email exists
function email_exists($email) {
$email = common_canonical_email($email);
$user = User::staticGet('email', $email);
return ($user !== false);
}
function register_user($nickname, $password, $email) {
# TODO: wrap this in a transaction!
$profile = new Profile();
$profile->nickname = $nickname;
$profile->profileurl = common_profile_url($nickname);
$profile->created = DB_DataObject_Cast::dateTime(); # current time
$id = $profile->insert();
if (!$id) {
return FALSE;
}
$user = new User();
$user->id = $id;
$user->nickname = $nickname;
$user->password = common_munge_password($password, $id);
$user->email = $email;
$user->created = DB_DataObject_Cast::dateTime(); # current time
$result = $user->insert();
if (!$result) {
# Try to clean up...
$profile->delete();
}
return $result;
}
function show_form($error=NULL) {
common_show_header(_t('Register'));
common_element_start('form', array('method' => 'POST',
'id' => 'login',
'action' => common_local_url('register')));
common_input('nickname', _t('Nickname'));
common_password('password', _t('Password'));
common_password('confirm', _t('Confirm'));
common_input('email', _t('Email'));
common_submit('submit', _t('Register'));
common_element_end('form');
common_show_footer();
}
}