1
0
Fork 0
mirror of https://github.com/YunoHost-Apps/piwigo_ynh.git synced 2024-09-03 20:06:03 +02:00
piwigo_ynh/sources/password.php
2015-07-05 19:03:18 +02:00

391 lines
11 KiB
PHP

<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2014 Piwigo Team http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU General Public License as published by |
// | the Free Software Foundation |
// | |
// | 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 |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
// +-----------------------------------------------------------------------+
// | initialization |
// +-----------------------------------------------------------------------+
define('PHPWG_ROOT_PATH','./');
include_once( PHPWG_ROOT_PATH.'include/common.inc.php' );
include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php');
// +-----------------------------------------------------------------------+
// | Check Access and exit when user status is not ok |
// +-----------------------------------------------------------------------+
check_status(ACCESS_FREE);
trigger_notify('loc_begin_password');
// +-----------------------------------------------------------------------+
// | Functions |
// +-----------------------------------------------------------------------+
/**
* checks the validity of input parameters, fills $page['errors'] and
* $page['infos'] and send an email with confirmation link
*
* @return bool (true if email was sent, false otherwise)
*/
function process_password_request()
{
global $page, $conf;
if (empty($_POST['username_or_email']))
{
$page['errors'][] = l10n('Invalid username or email');
return false;
}
$user_id = get_userid_by_email($_POST['username_or_email']);
if (!is_numeric($user_id))
{
$user_id = get_userid($_POST['username_or_email']);
}
if (!is_numeric($user_id))
{
$page['errors'][] = l10n('Invalid username or email');
return false;
}
$userdata = getuserdata($user_id, false);
// password request is not possible for guest/generic users
$status = $userdata['status'];
if (is_a_guest($status) or is_generic($status))
{
$page['errors'][] = l10n('Password reset is not allowed for this user');
return false;
}
if (empty($userdata['email']))
{
$page['errors'][] = l10n(
'User "%s" has no email address, password reset is not possible',
$userdata['username']
);
return false;
}
$activation_key = generate_key(20);
list($expire) = pwg_db_fetch_row(pwg_query('SELECT ADDDATE(NOW(), INTERVAL 1 HOUR)'));
single_update(
USER_INFOS_TABLE,
array(
'activation_key' => pwg_password_hash($activation_key),
'activation_key_expire' => $expire,
),
array('user_id' => $user_id)
);
$userdata['activation_key'] = $activation_key;
set_make_full_url();
$message = l10n('Someone requested that the password be reset for the following user account:') . "\r\n\r\n";
$message.= l10n(
'Username "%s" on gallery %s',
$userdata['username'],
get_gallery_home_url()
);
$message.= "\r\n\r\n";
$message.= l10n('To reset your password, visit the following address:') . "\r\n";
$message.= get_gallery_home_url().'/password.php?key='.$activation_key.'-'.urlencode($userdata['email']);
$message.= "\r\n\r\n";
$message.= l10n('If this was a mistake, just ignore this email and nothing will happen.')."\r\n";
unset_make_full_url();
$message = trigger_change('render_lost_password_mail_content', $message);
$email_params = array(
'subject' => '['.$conf['gallery_title'].'] '.l10n('Password Reset'),
'content' => $message,
'email_format' => 'text/plain',
);
if (pwg_mail($userdata['email'], $email_params))
{
$page['infos'][] = l10n('Check your email for the confirmation link');
return true;
}
else
{
$page['errors'][] = l10n('Error sending email');
return false;
}
}
/**
* checks the activation key: does it match the expected pattern? is it
* linked to a user? is this user allowed to reset his password?
*
* @return mixed (user_id if OK, false otherwise)
*/
function check_password_reset_key($reset_key)
{
global $page, $conf;
list($key, $email) = explode('-', $reset_key, 2);
if (!preg_match('/^[a-z0-9]{20}$/i', $key))
{
$page['errors'][] = l10n('Invalid key');
return false;
}
$user_ids = array();
$query = '
SELECT
'.$conf['user_fields']['id'].' AS id
FROM '.USERS_TABLE.'
WHERE '.$conf['user_fields']['email'].' = \''.pwg_db_real_escape_string($email).'\'
;';
$user_ids = query2array($query, null, 'id');
if (count($user_ids) == 0)
{
$page['errors'][] = l10n('Invalid username or email');
return false;
}
$user_id = null;
$query = '
SELECT
user_id,
status,
activation_key,
activation_key_expire,
NOW() AS dbnow
FROM '.USER_INFOS_TABLE.'
WHERE user_id IN ('.implode(',', $user_ids).')
;';
$result = pwg_query($query);
while ($row = pwg_db_fetch_assoc($result))
{
if (pwg_password_verify($key, $row['activation_key']))
{
if (strtotime($row['dbnow']) > strtotime($row['activation_key_expire']))
{
// key has expired
$page['errors'][] = l10n('Invalid key');
return false;
}
if (is_a_guest($row['status']) or is_generic($row['status']))
{
$page['errors'][] = l10n('Password reset is not allowed for this user');
return false;
}
$user_id = $row['user_id'];
}
}
if (empty($user_id))
{
$page['errors'][] = l10n('Invalid key');
return false;
}
return $user_id;
}
/**
* checks the passwords, checks that user is allowed to reset his password,
* update password, fills $page['errors'] and $page['infos'].
*
* @return bool (true if password was reset, false otherwise)
*/
function reset_password()
{
global $page, $conf;
if ($_POST['use_new_pwd'] != $_POST['passwordConf'])
{
$page['errors'][] = l10n('The passwords do not match');
return false;
}
if (!isset($_GET['key']))
{
$page['errors'][] = l10n('Invalid key');
}
$user_id = check_password_reset_key($_GET['key']);
if (!is_numeric($user_id))
{
return false;
}
single_update(
USERS_TABLE,
array($conf['user_fields']['password'] => $conf['password_hash']($_POST['use_new_pwd'])),
array($conf['user_fields']['id'] => $user_id)
);
single_update(
USER_INFOS_TABLE,
array(
'activation_key' => null,
'activation_key_expire' => null,
),
array('user_id' => $user_id)
);
$page['infos'][] = l10n('Your password has been reset');
$page['infos'][] = '<a href="'.get_root_url().'identification.php">'.l10n('Login').'</a>';
return true;
}
// +-----------------------------------------------------------------------+
// | Process form |
// +-----------------------------------------------------------------------+
if (isset($_POST['submit']))
{
check_pwg_token();
if ('lost' == $_GET['action'])
{
if (process_password_request())
{
$page['action'] = 'none';
}
}
if ('reset' == $_GET['action'])
{
if (reset_password())
{
$page['action'] = 'none';
}
}
}
// +-----------------------------------------------------------------------+
// | key and action |
// +-----------------------------------------------------------------------+
// a connected user can't reset the password from a mail
if (isset($_GET['key']) and !is_a_guest())
{
unset($_GET['key']);
}
if (isset($_GET['key']) and !isset($_POST['submit']))
{
$user_id = check_password_reset_key($_GET['key']);
if (is_numeric($user_id))
{
$userdata = getuserdata($user_id, false);
$page['username'] = $userdata['username'];
$template->assign('key', $_GET['key']);
if (!isset($page['action']))
{
$page['action'] = 'reset';
}
}
else
{
$page['action'] = 'none';
}
}
if (!isset($page['action']))
{
if (!isset($_GET['action']))
{
$page['action'] = 'lost';
}
elseif (in_array($_GET['action'], array('lost', 'reset', 'none')))
{
$page['action'] = $_GET['action'];
}
}
if ('reset' == $page['action'] and !isset($_GET['key']) and (is_a_guest() or is_generic()))
{
redirect(get_gallery_home_url());
}
if ('lost' == $page['action'] and !is_a_guest())
{
redirect(get_gallery_home_url());
}
// +-----------------------------------------------------------------------+
// | template initialization |
// +-----------------------------------------------------------------------+
$title = l10n('Password Reset');
if ('lost' == $page['action'])
{
$title = l10n('Forgot your password?');
if (isset($_POST['username_or_email']))
{
$template->assign('username_or_email', htmlspecialchars(stripslashes($_POST['username_or_email'])));
}
}
$page['body_id'] = 'thePasswordPage';
$template->set_filenames(array('password'=>'password.tpl'));
$template->assign(
array(
'title' => $title,
'form_action'=> get_root_url().'password.php',
'action' => $page['action'],
'username' => isset($page['username']) ? $page['username'] : $user['username'],
'PWG_TOKEN' => get_pwg_token(),
)
);
// include menubar
$themeconf = $template->get_template_vars('themeconf');
if (!isset($themeconf['hide_menu_on']) OR !in_array('thePasswordPage', $themeconf['hide_menu_on']))
{
include( PHPWG_ROOT_PATH.'include/menubar.inc.php');
}
// +-----------------------------------------------------------------------+
// | html code display |
// +-----------------------------------------------------------------------+
include(PHPWG_ROOT_PATH.'include/page_header.php');
trigger_notify('loc_end_password');
flush_page_messages();
$template->pparse('password');
include(PHPWG_ROOT_PATH.'include/page_tail.php');
?>