gnu-social/actions/register.php
Evan Prodromou d758c11784 disallow nicknames on a blacklist
darcs-hash:20080622180437-34904-4b6313f6fd8845232031663c5c2df00dff725183.gz
2008-06-22 14:04:37 -04:00

188 lines
5.7 KiB
PHP

<?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 (!$this->boolean('license')) {
$this->show_form(_t('You can\'t register if you don\'t agree to the license.'));
} else if (!Validate::email($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))) {
$this->show_form(_t('Nickname must have only lowercase letters and numbers and no spaces.'));
} else if ($this->nickname_exists($nickname)) {
$this->show_form(_t('Nickname already exists.'));
} else if (!User::allowed_nickname($nickname)) {
$this->show_form(_t('Not a valid nickname.'));
} else if ($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) {
$profile = new Profile();
$profile->query('BEGIN');
$profile->nickname = $nickname;
$profile->profileurl = common_profile_url($nickname);
$profile->created = DB_DataObject_Cast::dateTime(); # current time
$id = $profile->insert();
if (!$id) {
common_log_db_error($profile, 'INSERT', __FILE__);
return FALSE;
}
$user = new User();
$user->id = $id;
$user->nickname = $nickname;
$user->password = common_munge_password($password, $id);
$user->created = DB_DataObject_Cast::dateTime(); # current time
$user->uri = common_user_uri($user);
$result = $user->insert();
if (!$result) {
common_log_db_error($user, 'INSERT', __FILE__);
return FALSE;
}
if ($email) {
$confirm = new Confirm_address();
$confirm->code = common_confirmation_code(128);
$confirm->user_id = $user->id;
$confirm->address = $email;
$confirm->address_type = 'email';
$result = $confirm->insert();
if (!$result) {
common_log_db_error($confirm, 'INSERT', __FILE__);
return FALSE;
}
}
$profile->query('COMMIT');
if ($email) {
mail_confirm_address($confirm->code,
$profile->nickname,
$email);
}
return $result;
}
function show_top($error=NULL) {
if ($error) {
common_element('p', 'error', $error);
} else {
common_element('p', 'instructions',
_t('You can create a new account to start posting notices.'));
}
}
function show_form($error=NULL) {
global $config;
common_show_header(_t('Register'), NULL, $error, array($this, 'show_top'));
common_element_start('form', array('method' => 'POST',
'id' => 'login',
'action' => common_local_url('register')));
common_input('nickname', _t('Nickname'), NULL,
_t('1-64 lowercase letters or numbers, no punctuation or spaces'));
common_password('password', _t('Password'),
_t('6 or more characters'));
common_password('confirm', _t('Confirm'),
_t('Same as password above'));
common_input('email', _t('Email'), NULL,
_t('Used only for updates, announcements, and password recovery'));
common_element_start('p');
common_element('input', array('type' => 'checkbox',
'id' => 'license',
'name' => 'license',
'value' => 'true'));
common_text(_t('My text and files are available under '));
common_element('a', array(href => $config['license']['url']),
$config['license']['title']);
common_text(_t(' except this private data: password, email address, IM address, phone number.'));
common_element_end('p');
common_submit('submit', _t('Register'));
common_element_end('form');
common_show_footer();
}
}