gnu-social/plugins/EmailRegistration/emailregister.php

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<?php
/**
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* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
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* Register a user by their email address
*
* PHP version 5
*
* 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/>.
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*
* @category Email registration
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
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* Email registration
*
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* There are four cases where we're called:
*
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* 1. GET, no arguments. Initial registration; ask for an email address.
* 2. POST, email address argument. Initial registration; send an email to confirm.
* 3. GET, code argument. Confirming an invitation or a registration; look them up,
* create the relevant user if possible, login as that user, and
* show a password-entry form.
* 4. POST, password argument. After confirmation, set the password for the new
* user, and redirect to a registration complete action with some instructions.
*
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* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
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class EmailregisterAction extends Action
{
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const NEWEMAIL = 1;
const SETPASSWORD = 2;
const NEWREGISTER = 3;
const CONFIRMINVITE = 4;
const CONFIRMREGISTER = 5;
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const CONFIRMTYPE = 'register';
protected $user;
protected $email;
protected $code;
protected $invitation;
protected $confirmation;
protected $password1;
protected $password2;
protected $state;
protected $error;
protected $complete;
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function prepare($argarray)
{
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parent::prepare($argarray);
if ($this->isPost()) {
$this->checkSessionToken();
$this->email = $this->trimmed('email');
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if (!empty($this->email)) {
$this->email = common_canonical_email($this->email);
$this->state = self::NEWEMAIL;
} else {
$this->state = self::SETPASSWORD;
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$this->code = $this->trimmed('code');
if (empty($this->code)) {
throw new ClientException(_('No confirmation code.'));
}
$this->invitation = Invitation::staticGet('code', $this->code);
if (empty($this->invitation)) {
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$this->confirmation = Confirm_address::staticGet('code', $this->code);
if (empty($this->confirmation)) {
throw new ClientException(_('No such confirmation code.'), 403);
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}
}
$this->password1 = $this->trimmed('password1');
$this->password2 = $this->trimmed('password2');
$this->tos = $this->boolean('tos');
}
} else { // GET
$this->code = $this->trimmed('code');
if (empty($this->code)) {
$this->state = self::NEWREGISTER;
} else {
$this->invitation = Invitation::staticGet('code', $this->code);
if (!empty($this->invitation)) {
$this->state = self::CONFIRMINVITE;
} else {
$this->state = self::CONFIRMREGISTER;
$this->confirmation = Confirm_address::staticGet('code', $this->code);
if (empty($this->confirmation)) {
throw new ClientException(_('No such confirmation code.'), 405);
}
}
}
}
return true;
}
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function title()
{
switch ($this->state) {
case self::NEWREGISTER:
case self::NEWEMAIL:
// TRANS: Title for registration page.
return _m('TITLE','Register');
break;
case self::SETPASSWORD:
case self::CONFIRMINVITE:
case self::CONFIRMREGISTER:
// TRANS: Title for page where to change password.
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return _m('TITLE','Complete registration');
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break;
}
}
/**
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* Handler method
*
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* @param array $argarray is ignored since it's now passed in in prepare()
*
* @return void
*/
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function handle($argarray=null)
{
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$cur = common_current_user();
if (!empty($cur)) {
common_redirect(common_local_url('all', array('nickname' => $cur->nickname)));
return;
}
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switch ($this->state) {
case self::NEWREGISTER:
$this->showRegistrationForm();
break;
case self::NEWEMAIL:
$this->registerUser();
break;
case self::CONFIRMINVITE:
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$this->confirmRegistration();
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break;
case self::CONFIRMREGISTER:
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$this->confirmRegistration();
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break;
case self::SETPASSWORD:
$this->setPassword();
break;
}
return;
}
function showRegistrationForm()
{
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$this->form = new EmailRegistrationForm($this, $this->email);
$this->showPage();
}
function registerUser()
{
$old = User::staticGet('email', $this->email);
if (!empty($old)) {
$this->error = sprintf(_('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'));
$this->showRegistrationForm();
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return;
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}
$valid = false;
if (Event::handle('StartValidateUserEmail', array(null, $this->email, &$valid))) {
$valid = Validate::email($this->email, common_config('email', 'check_domain'));
Event::handle('EndValidateUserEmail', array(null, $this->email, &$valid));
}
if (!$valid) {
$this->error = _('Not a valid email address.');
$this->showRegistrationForm();
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return;
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}
$confirm = Confirm_address::getAddress($this->email, self::CONFIRMTYPE);
if (empty($confirm)) {
$confirm = Confirm_address::saveNew(null, $this->email, 'register');
$prompt = sprintf(_('An email was sent to %s to confirm that address. Check your email inbox for instructions.'),
$this->email);
} else {
$prompt = sprintf(_('The address %s was already registered but not confirmed. The confirmation code was resent.'),
$this->email);
}
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$this->sendConfirmEmail($confirm);
$this->complete = $prompt;
$this->showPage();
}
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function confirmRegistration()
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{
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if (!empty($this->invitation)) {
$email = $this->invitation->address;
} else if (!empty($this->confirmation)) {
$email = $this->confirmation->address;
}
$nickname = $this->nicknameFromEmail($email);
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$this->form = new ConfirmRegistrationForm($this,
$nickname,
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$email,
$this->code);
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$this->showPage();
}
function setPassword()
{
if (Event::handle('StartRegistrationTry', array($this))) {
if (!empty($this->invitation)) {
$email = $this->invitation->address;
} else if (!empty($this->confirmation)) {
$email = $this->confirmation->address;
} else {
throw new Exception('No confirmation thing.');
}
if (!$this->tos) {
$this->error = _('You must accept the terms of service and privacy policy to register.');
$nickname = $this->nicknameFromEmail($email);
$this->form = new ConfirmRegistrationForm($this, $nickname, $this->email, $this->code);
$this->showPage();
return;
}
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$nickname = $this->nicknameFromEmail($email);
$this->user = User::register(array('nickname' => $nickname,
'email' => $email,
'email_confirmed' => true));
if (empty($this->user)) {
throw new Exception("Failed to register user.");
}
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common_set_user($this->user);
// this is a real login
common_real_login(true);
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// Re-init language env in case it changed (not yet, but soon)
common_init_language();
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if (!empty($this->invitation)) {
$inviter = User::staticGet('id', $this->invitation->user_id);
if (!empty($inviter)) {
Subscription::start($inviter->getProfile(),
$user->getProfile());
}
$this->invitation->delete();
} else if (!empty($this->confirmation)) {
$this->confirmation->delete();
} else {
throw new Exception('No confirmation thing.');
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}
Event::handle('EndRegistrationTry', array($this));
}
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common_redirect(common_local_url('doc', array('title' => 'welcome')),
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303);
}
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function sendConfirmEmail($confirm)
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{
$sitename = common_config('site', 'name');
$recipients = array($confirm->address);
$headers['From'] = mail_notify_from();
$headers['To'] = trim($confirm->address);
$headers['Subject'] = sprintf(_('Confirm your registration on %1$s'), $sitename);
$confirmUrl = common_local_url('register', array('code' => $confirm->code));
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$body = sprintf(_('Someone (probably you) has requested an account on %1$s using this email address.'.
"\n".
'To confirm the address, click the following URL or copy it into the address bar of your browser.'.
"\n".
'%2$s'.
"\n".
'If it was not you, you can safely ignore this message.'),
$sitename,
$confirmUrl);
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mail_send($recipients, $headers, $body);
}
function showContent()
{
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if ($this->complete) {
$this->elementStart('p', 'success');
$this->raw($this->complete);
$this->elementEnd('p');
} else {
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if ($this->error) {
$this->elementStart('p', 'error');
$this->raw($this->error);
$this->elementEnd('p');
}
if (!empty($this->form)) {
$this->form->show();
}
}
}
/**
* Return true if read only.
*
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* MAY override
*
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* @param array $args other arguments
*
* @return boolean is read only action?
*/
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function isReadOnly($args)
{
return false;
}
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function nicknameFromEmail($email)
{
$parts = explode('@', $email);
$nickname = $parts[0];
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$nickname = preg_replace('/[^A-Za-z0-9]/', '', $nickname);
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$nickname = Nickname::normalize($nickname);
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$original = $nickname;
$n = 0;
while (User::staticGet('nickname', $nickname)) {
$n++;
$nickname = $original . $n;
}
return $nickname;
}
/**
* A local menu
*
* Shows different login/register actions.
*
* @return void
*/
function showLocalNav()
{
$nav = new LoginGroupNav($this);
$nav->show();
}
}