gnu-social/actions/login.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
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* Login form
*
* PHP version 5
*
* LICENCE: 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/>.
*
* @category Login
* @package GNUsocial
* @author Evan Prodromou <evan@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @author Mikael Nordfeldth <mmn@hethane.se>
* @copyright 2008-2009 StatusNet, Inc.
* @copyright 2013 Free Software Foundation, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://www.gnu.org/software/social/
*/
if (!defined('GNUSOCIAL')) { exit(1); }
class LoginAction extends FormAction
{
protected $needLogin = false;
/**
* Prepare page to run
*
*
* @param $args
* @return string title
*/
protected function prepare(array $args=array())
{
// @todo this check should really be in index.php for all sensitive actions
$ssl = common_config('site', 'ssl');
if (empty($_SERVER['HTTPS']) && ($ssl == 'always' || $ssl == 'sometimes')) {
common_redirect(common_local_url('login'));
}
return parent::prepare($args);
}
/**
* Handle input, produce output
*
* Switches on request method; either shows the form or handles its input.
*
* @return void
*/
protected function handle()
{
if (common_is_real_login()) {
common_redirect(common_local_url('all', array('nickname' => $this->scoped->nickname)), 307);
}
return parent::handle();
}
/**
* Check the login data
*
* Determines if the login data is valid. If so, logs the user
* in, and redirects to the 'with friends' page, or to the stored
* return-to URL.
*
* @return void
*/
protected function handlePost()
{
parent::handlePost();
// XXX: login throttle
$nickname = $this->trimmed('nickname');
$password = $this->arg('password');
$user = common_check_user($nickname, $password);
if (!$user instanceof User) {
// TRANS: Form validation error displayed when trying to log in with incorrect credentials.
throw new ServerException(_('Incorrect username or password.'));
}
// success!
if (!common_set_user($user)) {
// TRANS: Server error displayed when during login a server error occurs.
throw new ServerException(_('Error setting user. You are probably not authorized.'));
}
common_real_login(true);
$this->updateScopedProfile();
if ($this->boolean('rememberme')) {
common_rememberme($user);
}
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$url = common_get_returnto();
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if ($url) {
// We don't have to return to it again
common_set_returnto(null);
$url = common_inject_session($url);
} else {
$url = common_local_url('all',
array('nickname' => $this->scoped->nickname));
}
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common_redirect($url, 303);
}
/**
* Store an error and show the page
*
* This used to show the whole page; now, it's just a wrapper
* that stores the error in an attribute.
*
* @param string $error error, if any.
*
* @return void
*/
public function showForm($msg=null, $success=false)
{
common_ensure_session();
return parent::showForm($msg, $success);
}
function showScripts()
{
parent::showScripts();
$this->autofocus('nickname');
}
/**
* Title of the page
*
* @return string title of the page
*/
function title()
{
// TRANS: Page title for login page.
return _('Login');
}
/**
* Core of the display code
*
* Shows the login form.
*
* @return void
*/
function showContent()
{
$this->elementStart('form', array('method' => 'post',
'id' => 'form_login',
'class' => 'form_settings',
'action' => common_local_url('login')));
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$this->elementStart('fieldset');
// TRANS: Form legend on login page.
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$this->element('legend', null, _('Login to site'));
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li');
// TRANS: Field label on login page.
$this->input('nickname', _('Username or email address'));
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$this->elementEnd('li');
$this->elementStart('li');
// TRANS: Field label on login page.
$this->password('password', _('Password'));
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$this->elementEnd('li');
$this->elementStart('li');
// TRANS: Checkbox label label on login page.
$this->checkbox('rememberme', _('Remember me'), false,
// TRANS: Checkbox title on login page.
_('Automatically login in the future; ' .
'not for shared computers!'));
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$this->elementEnd('li');
$this->elementEnd('ul');
// TRANS: Button text for log in on login page.
$this->submit('submit', _m('BUTTON','Login'));
$this->hidden('token', common_session_token());
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$this->elementEnd('fieldset');
$this->elementEnd('form');
$this->elementStart('p');
$this->element('a', array('href' => common_local_url('recoverpassword')),
// TRANS: Link text for link to "reset password" on login page.
_('Lost or forgotten password?'));
$this->elementEnd('p');
}
/**
* Instructions for using the form
*
* For "remembered" logins, we make the user re-login when they
* try to change settings. Different instructions for this case.
*
* @return void
*/
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function getInstructions()
{
if (common_logged_in() && !common_is_real_login() &&
common_get_returnto()) {
// rememberme logins have to reauthenticate before
// changing any profile settings (cookie-stealing protection)
// TRANS: Form instructions on login page before being able to change user settings.
return _('For security reasons, please re-enter your ' .
'user name and password ' .
'before changing your settings.');
} else {
// TRANS: Form instructions on login page.
$prompt = _('Login with your username and password.');
if (!common_config('site', 'closed') && !common_config('site', 'inviteonly')) {
$prompt .= ' ';
// TRANS: Form instructions on login page. This message contains Markdown links in the form [Link text](Link).
// TRANS: %%action.register%% is a link to the registration page.
$prompt .= _('Don\'t have a username yet? ' .
'[Register](%%action.register%%) a new account.');
}
return $prompt;
}
}
/**
* A local menu
*
* Shows different login/register actions.
*
* @return void
*/
function showLocalNav()
{
$nav = new LoginGroupNav($this);
$nav->show();
}
function showNoticeForm()
{
}
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function showProfileBlock()
{
}
}