<?php
/**
* Handles logins, logouts, and password reset requests.
*
* @copyright Copyright (C) 2008 PunBB, partially based on code copyright (C) 2008 FluxBB.org
* @license http://www.gnu.org/licenses/gpl.html GPL version 2 or higher
* @package PunBB
*/
if (isset($_GET['action']))
define('FORUM_QUIET_VISIT', 1);
if (!defined('FORUM_ROOT'))
define('FORUM_ROOT', './');
require FORUM_ROOT.'include/common.php';
($hook = get_hook('li_start')) ? eval($hook) : null;
// Load the login.php language file
require FORUM_ROOT.'lang/'.$forum_user['language'].'/login.php';
$action = isset($_GET['action']) ? $_GET['action'] : null;
$errors = array();
// Login
if (isset($_POST['form_sent']) && empty($action))
{
$form_username = forum_trim($_POST['req_username']);
$form_password = forum_trim($_POST['req_password']);
$save_pass = isset($_POST['save_pass']);
($hook = get_hook('li_login_form_submitted')) ? eval($hook) : null;
// Get user info matching login attempt
$query = array(
'SELECT' => 'u.id, u.group_id, u.password, u.salt',
'FROM' => 'users AS u'
);
if ($db_type == 'mysql' || $db_type == 'mysqli')
$query['WHERE'] = 'username=\''.$forum_db->escape($form_username).'\'';
else
$query['WHERE'] = 'LOWER(username)=LOWER(\''.$forum_db->escape($form_username).'\')';
($hook = get_hook('li_login_qr_get_login_data')) ? eval($hook) : null;
$result = $forum_db->query_build($query) or error(__FILE__, __LINE__);
list($user_id, $group_id, $db_password_hash, $salt) = $forum_db->fetch_row($result);
$authorized = false;
if (!empty($db_password_hash))
{
$sha1_in_db = (strlen($db_password_hash) == 40) ? true : false;
$form_password_hash = forum_hash($form_password, $salt);
if ($sha1_in_db && $db_password_hash == $form_password_hash)
$authorized = true;
else if ((!$sha1_in_db && $db_password_hash == md5($form_password)) || ($sha1_in_db && $db_password_hash == sha1($form_password)))
{
$authorized = true;
$salt = random_key(12);
$form_password_hash = forum_hash($form_password, $salt);
// There's an old MD5 hash or an unsalted SHA1 hash in the database, so we replace it
// with a randomly generated salt and a new, salted SHA1 hash
$query = array(
'UPDATE' => 'users',
'SET' => 'password=\''.$form_password_hash.'\', salt=\''.$forum_db->escape($salt).'\'',
'WHERE' => 'id='.$user_id
);
($hook = get_hook('li_login_qr_update_user_hash')) ? eval($hook) : null;
$forum_db->query_build($query) or error(__FILE__, __LINE__);
}
}
($hook = get_hook('li_login_pre_auth_message')) ? eval($hook) : null;
if (!$authorized)
$errors[] = sprintf($lang_login['Wrong user/pass']);
// Did everything go according to plan?
if (empty($errors))
{
// Update the status if this is the first time the user logged in
if ($group_id == FORUM_UNVERIFIED)
{
$query = array(
'UPDATE' => 'users',
'SET' => 'group_id='.$forum_config['o_default_user_group'],
'WHERE' => 'id='.$user_id
);
($hook = get_hook('li_login_qr_update_user_group')) ? eval($hook) : null;
$forum_db->query_build($query) or error(__FILE__, __LINE__);
}
// Remove this user's guest entry from the online list
$query = array(
'DELETE' => 'online',
'WHERE' => 'ident=\''.$forum_db->escape(get_remote_address()).'\''
);
($hook = get_hook('li_login_qr_delete_online_user')) ? eval($hook) : null;
$forum_db->query_build($query) or error(__FILE__, __LINE__);
$expire = ($save_pass) ? time() + 1209600 : time() + $forum_config['o_timeout_visit'];
forum_setcookie($cookie_name, base64_encode($user_id.'|'.$form_password_hash.'|'.$expire.'|'.sha1($salt.$form_password_hash.forum_hash($expire, $salt))), $expire);
($hook = get_hook('li_login_pre_redirect')) ? eval($hook) : null;
redirect(forum_htmlencode($_POST['redirect_url']).((substr_count($_POST['redirect_url'], '?') == 1) ? '&' : '?').'login=1', $lang_login['Login redirect']);
}
}
// Logout
else if ($action == 'out')
{
if ($forum_user['is_guest'] || !isset($_GET['id']) || $_GET['id'] != $forum_user['id'])
{
header('Location: '.forum_link($forum_url['index']));
exit;
}
// We validate the CSRF token. If it's set in POST and we're at this point, the token is valid.
// If it's in GET, we need to make sure it's valid.
if (!isset($_POST['csrf_token']) && (!isset($_GET['csrf_token']) || $_GET['csrf_token'] !== generate_form_token('logout'.$forum_user['id'])))
csrf_confirm_form();
($hook = get_hook('li_logout_selected')) ? eval($hook) : null;
// Remove user from "users online" list.
$query = array(
'DELETE' => 'online',
'WHERE' => 'user_id='.$forum_user['id']
);
($hook = get_hook('li_logout_qr_delete_online_user')) ? eval($hook) : null;
$forum_db->query_build($query) or error(__FILE__, __LINE__);
// Update last_visit (make sure there's something to update it with)
if (isset($forum_user['logged']))
{
$query = array(
'UPDATE' => 'users',
'SET' => 'last_visit='.$forum_user['logged'],
'WHERE' => 'id='.$forum_user['id']
);
($hook = get_hook('li_logout_qr_update_last_visit')) ? eval($hook) : null;
$forum_db->query_build($query) or error(__FILE__, __LINE__);
}
$expire = time() + 1209600;
forum_setcookie($cookie_name, base64_encode('1|'.random_key(8, false, true).'|'.$expire.'|'.random_key(8, false, true)), $expire);
// Reset tracked topics
set_tracked_topics(null);
($hook = get_hook('li_logout_pre_redirect')) ? eval($hook) : null;
redirect(forum_link($forum_url['index']), $lang_login['Logout redirect']);
}
// New password
else if ($action == 'forget' || $action == 'forget_2')
{
if (!$forum_user['is_guest'])
header('Location: '.forum_link($forum_url['index']));
($hook = get_hook('li_forgot_pass_selected')) ? eval($hook) : null;
if (isset($_POST['form_sent']))
{
// User pressed the cancel button
if (isset($_POST['cancel']))
redirect(forum_link($forum_url['index']), $lang_login['New password cancel redirect']);
if (!defined('FORUM_EMAIL_FUNCTIONS_LOADED'))
require FORUM_ROOT.'include/email.php';
// Validate the email-address
$email = strtolower(forum_trim($_POST['req_email']));
if (!is_valid_email($email))
$errors[] = $lang_login['Invalid e-mail'];
($hook = get_hook('li_forgot_pass_end_validation')) ? eval($hook) : null;
// Did everything go according to plan?
if (empty($errors))
{
// Fetch user matching $email
$query = array(
'SELECT' => 'u.id, u.username, u.salt, u.last_email_sent',
'FROM' => 'users AS u',
'WHERE' => 'u.email=\''.$forum_db->escape($email).'\''
);
($hook = get_hook('li_forgot_pass_qr_get_user_data')) ? eval($hook) : null;
$result = $forum_db->query_build($query) or error(__FILE__, __LINE__);
if ($forum_db->num_rows($result))
{
($hook = get_hook('li_forgot_pass_pre_email')) ? eval($hook) : null;
// Load the "activate password" template
$mail_tpl = forum_trim(file_get_contents(FORUM_ROOT.'lang/'.$forum_user['language'].'/mail_templates/activate_password.tpl'));
// The first row contains the subject
$first_crlf = strpos($mail_tpl, "\n");
$mail_subject = forum_trim(substr($mail_tpl, 8, $first_crlf-8));
$mail_message = forum_trim(substr($mail_tpl, $first_crlf));
// Do the generic replacements first (they apply to all e-mails sent out here)
$mail_message = str_replace('<base_url>', $base_url.'/', $mail_message);
$mail_message = str_replace('<board_mailer>', sprintf($lang_common['Forum mailer'], $forum_config['o_board_title']), $mail_message);
($hook = get_hook('li_forgot_pass_new_general_replace_data')) ? eval($hook) : null;
// Loop through users we found
while ($cur_hit = $forum_db->fetch_assoc($result))
{
$forgot_pass_timeout = 3600;
($hook = get_hook('li_forgot_pass_pre_flood_check')) ? eval($hook) : null;
if ($cur_hit['last_email_sent'] != '' && (time() - $cur_hit['last_email_sent']) < $forgot_pass_timeout && (time() - $cur_hit['last_email_sent']) >= 0)
message(sprintf($lang_login['Email flood'], $forgot_pass_timeout));
// Generate a new password activation key
$new_password_key = random_key(8, true);
$query = array(
'UPDATE' => 'users',
'SET' => 'activate_key=\''.$new_password_key.'\', last_email_sent = '.time(),
'WHERE' => 'id='.$cur_hit['id']
);
($hook = get_hook('li_forgot_pass_qr_set_activate_key')) ? eval($hook) : null;
$forum_db->query_build($query) or error(__FILE__, __LINE__);
// Do the user specific replacements to the template
$cur_mail_message = str_replace('<username>', $cur_hit['username'], $mail_message);
$cur_mail_message = str_replace('<activation_url>', str_replace('&', '&', forum_link($forum_url['change_password_key'], array($cur_hit['id'], $new_password_key))), $cur_mail_message);
($hook = get_hook('li_forgot_pass_new_user_replace_data')) ? eval($hook) : null;
forum_mail($email, $mail_subject, $cur_mail_message);
}
message(sprintf($lang_login['Forget mail'], '<a href="mailto:'.forum_htmlencode($forum_config['o_admin_email']).'">'.forum_htmlencode($forum_config['o_admin_email']).'</a>'));
}
else
$errors[] = sprintf($lang_login['No e-mail match'], forum_htmlencode($email));
}
}
// Setup form
$forum_page['group_count'] = $forum_page['item_count'] = $forum_page['fld_count'] = 0;
$forum_page['form_action'] = forum_link($forum_url['request_password']);
// Setup breadcrumbs
$forum_page['crumbs'] = array(
array($forum_config['o_board_title'], forum_link($forum_url['index'])),
array($lang_login['New password request'], forum_link($forum_url['request_password']))
);
($hook = get_hook('li_forgot_pass_pre_header_load')) ? eval($hook) : null;
define ('FORUM_PAGE', 'reqpass');
require FORUM_ROOT.'header.php';
// START SUBST - <!-- forum_main -->
ob_start();
($hook = get_hook('li_forgot_pass_output_start')) ? eval($hook) : null;
?>
<div class="main-head">
<h2 class="hn"><span><?php echo $lang_login['New password request'] ?></span></h2>
</div>
<div class="main-content main-frm">
<div class="ct-box info-box">
<p class="important"><?php echo $lang_login['New password info'] ?></p>
</div>
<?php
// If there were any errors, show them
if (!empty($errors))
{
$forum_page['errors'] = array();
foreach ($errors as $cur_error)
$forum_page['errors'][] = '<li class="warn"><span>'.$cur_error.'</span></li>';
($hook = get_hook('li_forgot_pass_pre_new_password_errors')) ? eval($hook) : null;
?>
<div class="ct-box error-box">
<h2 class="warn hn"><?php echo $lang_login['New password errors'] ?></h2>
<ul class="error-list">
<?php echo implode("\n\t\t\t\t", $forum_page['errors'])."\n" ?>
</ul>
</div>
<?php
}
?>
<div id="req-msg" class="req-warn ct-box error-box">
<p class="important"><?php printf($lang_common['Required warn'], '<em>'.$lang_common['Required'].'</em>') ?></p>
</div>
<form id="afocus" class="frm-form" method="post" accept-charset="utf-8" action="<?php echo $forum_page['form_action'] ?>">
<div class="hidden">
<input type="hidden" name="form_sent" value="1" />
<input type="hidden" name="csrf_token" value="<?php echo generate_form_token($forum_page['form_action']) ?>" />
</div>
<?php ($hook = get_hook('li_forgot_pass_pre_group')) ? eval($hook) : null; ?>
<div class="frm-group group<?php echo ++$forum_page['group_count'] ?>">
<?php ($hook = get_hook('li_forgot_pass_pre_email')) ? eval($hook) : null; ?>
<div class="sf-set set<?php echo ++$forum_page['item_count'] ?>">
<div class="sf-box text required">
<label for="fld<?php echo ++$forum_page['fld_count'] ?>"><span><?php echo $lang_login['E-mail address'] ?> <em><?php echo $lang_common['Required'] ?></em></span> <small><?php echo $lang_login['E-mail address help'] ?></small></label><br />
<span class="fld-input"><input id="fld<?php echo $forum_page['fld_count'] ?>" type="text" name="req_email" value="<?php echo isset($_POST['req_email']) ? forum_htmlencode($_POST['req_email']) : '' ?>" size="35" maxlength="80" /></span>
</div>
</div>
<?php ($hook = get_hook('li_forgot_pass_pre_group_end')) ? eval($hook) : null; ?>
</div>
<?php ($hook = get_hook('li_forgot_pass_group_end')) ? eval($hook) : null; ?>
<div class="frm-buttons">
<span class="submit"><input type="submit" name="request_pass" value="<?php echo $lang_login['Submit password request'] ?>" /></span>
<span class="cancel"><input type="submit" name="cancel" value="<?php echo $lang_common['Cancel'] ?>" /></span>
</div>
</form>
</div>
<?php
($hook = get_hook('li_forgot_pass_end')) ? eval($hook) : null;
$tpl_temp = forum_trim(ob_get_contents());
$tpl_main = str_replace('<!-- forum_main -->', $tpl_temp, $tpl_main);
ob_end_clean();
// END SUBST - <!-- forum_main -->
require FORUM_ROOT.'footer.php';
}
if (!$forum_user['is_guest'])
header('Location: '.forum_link($forum_url['index']));
// Setup form
$forum_page['group_count'] = $forum_page['item_count'] = $forum_page['fld_count'] = 0;
$forum_page['form_action'] = forum_link($forum_url['login']);
$forum_page['hidden_fields'] = array(
'form_sent' => '<input type="hidden" name="form_sent" value="1" />',
'redirect_url' => '<input type="hidden" name="redirect_url" value="'.forum_htmlencode($forum_user['prev_url']).'" />',
'csrf_token' => '<input type="hidden" name="csrf_token" value="'.generate_form_token($forum_page['form_action']).'" />'
);
// Setup breadcrumbs
$forum_page['crumbs'] = array(
array($forum_config['o_board_title'], forum_link($forum_url['index'])),
array(sprintf($lang_login['Login info'], $forum_config['o_board_title']), forum_link($forum_url['login']))
);
($hook = get_hook('li_login_pre_header_load')) ? eval($hook) : null;
define('FORUM_PAGE', 'login');
require FORUM_ROOT.'header.php';
// START SUBST - <!-- forum_main -->
ob_start();
($hook = get_hook('li_login_output_start')) ? eval($hook) : null;
?>
<div class="main-head">
<h2 class="hn"><span><?php echo sprintf($lang_login['Login info'], $forum_config['o_board_title']) ?></span></h2>
</div>
<div class="main-content main-frm">
<div class="content-head">
<p class="hn"><?php printf($lang_login['Login options'], '<a href="'.forum_link($forum_url['register']).'">'.$lang_login['register'].'</a>', '<a href="'.forum_link($forum_url['request_password']).'">'.$lang_login['Obtain pass'].'</a>') ?></p>
</div>
<?php
// If there were any errors, show them
if (!empty($errors))
{
$forum_page['errors'] = array();
foreach ($errors as $cur_error)
$forum_page['errors'][] = '<li class="warn"><span>'.$cur_error.'</span></li>';
($hook = get_hook('li_pre_login_errors')) ? eval($hook) : null;
?>
<div class="ct-box error-box">
<h2 class="warn hn"><?php echo $lang_login['Login errors'] ?></h2>
<ul class="error-list">
<?php echo implode("\n\t\t\t\t", $forum_page['errors'])."\n" ?>
</ul>
</div>
<?php
}
?>
<div id="req-msg" class="req-warn ct-box error-box">
<p class="important"><?php printf($lang_common['Required warn'], '<em>'.$lang_common['Required'].'</em>') ?></p>
</div>
<form id="afocus" class="frm-form" method="post" accept-charset="utf-8" action="<?php echo $forum_page['form_action'] ?>">
<div class="hidden">
<?php echo implode("\n\t\t\t\t", $forum_page['hidden_fields'])."\n" ?>
</div>
<?php ($hook = get_hook('li_login_pre_login_group')) ? eval($hook) : null; ?>
<div class="frm-group group<?php echo ++$forum_page['group_count'] ?>">
<?php ($hook = get_hook('li_login_pre_username')) ? eval($hook) : null; ?>
<div class="sf-set set<?php echo ++$forum_page['item_count'] ?>">
<div class="sf-box text required">
<label for="fld<?php echo ++$forum_page['fld_count'] ?>"><span><?php echo $lang_login['Username'] ?> <em><?php echo $lang_common['Required'] ?></em></span></label><br />
<span class="fld-input"><input type="text" id="fld<?php echo $forum_page['fld_count'] ?>" name="req_username" value="<?php echo isset($_POST['req_username']) ? forum_htmlencode($_POST['req_username']) : '' ?>" size="35" maxlength="25" /></span>
</div>
</div>
<?php ($hook = get_hook('li_login_pre_pass')) ? eval($hook) : null; ?>
<div class="sf-set set<?php echo ++$forum_page['item_count'] ?>">
<div class="sf-box text required">
<label for="fld<?php echo ++$forum_page['fld_count'] ?>"><span><?php echo $lang_login['Password'] ?> <em><?php echo $lang_common['Required'] ?></em></span></label><br />
<span class="fld-input"><input type="password" id="fld<?php echo $forum_page['fld_count'] ?>" name="req_password" value="<?php echo isset($_POST['req_password']) ? forum_htmlencode($_POST['req_password']) : '' ?>" size="35" /></span>
</div>
</div>
<?php ($hook = get_hook('li_login_pre_remember_me_checkbox')) ? eval($hook) : null; ?>
<div class="sf-set set<?php echo ++$forum_page['item_count'] ?>">
<div class="sf-box checkbox">
<span class="fld-input"><input type="checkbox" id="fld<?php echo ++$forum_page['fld_count'] ?>" name="save_pass" value="1" /></span>
<label for="fld<?php echo $forum_page['fld_count'] ?>"><span><?php echo $lang_login['Remember me'] ?></span> <?php echo $lang_login['Persistent login'] ?></label>
</div>
</div>
<?php ($hook = get_hook('li_login_pre_group_end')) ? eval($hook) : null; ?>
</div>
<?php ($hook = get_hook('li_login_group_end')) ? eval($hook) : null; ?>
<div class="frm-buttons">
<span class="submit"><input type="submit" name="login" value="<?php echo $lang_login['Login'] ?>" /></span>
</div>
</form>
</div>
<?php
($hook = get_hook('li_end')) ? eval($hook) : null;
$tpl_temp = forum_trim(ob_get_contents());
$tpl_main = str_replace('<!-- forum_main -->', $tpl_temp, $tpl_main);
ob_end_clean();
// END SUBST - <!-- forum_main -->
require FORUM_ROOT.'footer.php';
there must be some easy way to put login on frontpage - not rocket science is it 
