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<?php
/**
* Login screen for IMP.
*
* $Horde: imp/login.php,v 2.222.2.9 2006/01/16 16:02:33 jan Exp $
*
* Copyright 1999-2006 Charles J. Hagenbuch <chuck@horde.org>
* Copyright 1999-2006 Jon Parise <jon@horde.org>
*
* See the enclosed file COPYING for license information (GPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/gpl.html.
*/
@define('AUTH_HANDLER', true);
@define('IMP_BASE', dirname(__FILE__));
$authentication = 'none';
require_once IMP_BASE . '/lib/base.php';
require IMP_BASE . '/config/servers.php';
/* Get an Auth object. */
$imp_auth = (Auth::getProvider() == 'imp');
$auth = &Auth::singleton($conf['auth']['driver']);
$logout_reason = $auth->getLogoutReason();
$autologin = Util::getFormData('autologin', false);
$actionID = (Util::getFormData('action') == 'compose') ? 'login_compose' : Util::getFormData('actionID');
$server_key = Util::getFormData('server_key');
$url_param = Util::getFormData('url');
/* Handle cases where we already have a session. */
if (!empty($_SESSION['imp']) && is_array($_SESSION['imp'])) {
if ($logout_reason) {
/* Log logout requests now. */
if ($logout_reason == AUTH_REASON_LOGOUT) {
$entry = sprintf('Logout for %s [%s] from {%s:%s}',
$_SESSION['imp']['uniquser'],
$_SERVER['REMOTE_ADDR'], $_SESSION['imp']['server'],
$_SESSION['imp']['port']);
} else {
$entry = $_SERVER['REMOTE_ADDR'] . ' ' . $auth->getLogoutReasonString();
}
Horde::logMessage($entry, __FILE__, __LINE__, PEAR_LOG_NOTICE);
$language = (isset($prefs)) ? $prefs->getValue('language') : NLS::select();
unset($_SESSION['imp']);
/* Cleanup preferences. */
if (isset($prefs)) {
$prefs->cleanup($imp_auth);
}
if ($imp_auth) {
Auth::clearAuth();
@session_destroy();
Horde::setupSessionHandler();
@session_start();
}
NLS::setLang($language);
/* Hook to preselect the correct language in the widget. */
$_GET['new_lang'] = $language;
$registry->loadPrefs('horde');
$registry->loadPrefs();
} else {
require_once IMP_BASE . '/lib/Session.php';
header('Location: ' . IMP_Session::getInitialUrl($actionID, false));
exit;
}
}
/* Log session timeouts. */
if ($logout_reason == AUTH_REASON_SESSION) {
$entry = sprintf('Session timeout for client [%s]', $_SERVER['REMOTE_ADDR']);
Horde::logMessage($entry, __FILE__, __LINE__, PEAR_LOG_NOTICE);
/* Make sure everything is really cleared. */
Auth::clearAuth();
unset($_SESSION['imp']);
}
/* Redirect the user on logout if redirection is enabled. */
if ($logout_reason == AUTH_REASON_LOGOUT &&
($conf['user']['redirect_on_logout'] ||
!empty($conf['auth']['redirect_on_logout']))) {
if (!empty($conf['auth']['redirect_on_logout'])) {
$url = Auth::addLogoutParameters($conf['auth']['redirect_on_logout'], AUTH_REASON_LOGOUT);
} else {
$url = Auth::addLogoutParameters($conf['user']['redirect_on_logout'], AUTH_REASON_LOGOUT);
}
if (!isset($_COOKIE[session_name()])) {
$url = Util::addParameter($url, session_name(), session_id());
}
header('Location: ' . $url);
exit;
}
/* Redirect the user if an alternate login page has been specified. */
if (!empty($conf['auth']['alternate_login'])) {
$url = Auth::addLogoutParameters($conf['auth']['alternate_login']);
if (!isset($_COOKIE[session_name()])) {
$url = Util::addParameter($url, session_name(), session_id(), false);
}
if ($url_param) {
$url = Util::addParameter($url, 'url', $url_param, false);
}
header('Location: ' . $url);
exit;
} elseif ($conf['user']['alternate_login']) {
$url = Auth::addLogoutParameters($conf['user']['alternate_login']);
if (!isset($_COOKIE[session_name()])) {
$url = Util::addParameter($url, session_name(), session_id(), false);
}
header('Location: ' . $url);
exit;
}
/* Initialize the password key(s). If we are doing Horde auth as well,
* make sure that the Horde auth key gets set. */
Secret::setKey('imp');
if ($imp_auth) {
Secret::setKey('auth');
}
$used_servers = $servers;
if ($conf['server']['server_list'] != 'shown') {
$server_key = Util::getFormData('server_key');
if (is_null($server_key)) {
/* Grab some default values from the first entry in
* config/servers.php. */
$server_key = IMP::getAutoLoginServer(true);
}
$used_servers = array($server_key => $servers[$server_key]);
$autologin = Util::getFormData('autologin');
}
if (!$logout_reason && IMP::canAutoLogin($server_key, $autologin)) {
$url = Horde::applicationUrl('redirect.php', true);
$params = array('actionID' => 'login', 'autologin' => true);
if (count($used_servers) == 1) {
reset($used_servers);
list($server_key, $curServer) = each($used_servers);
$params['server_key'] = $server_key;
}
$url = Util::addParameter($url, $params, null, false);
header('Location: ' . $url);
exit;
}
$title = sprintf(_("Welcome to %s"), $registry->get('name', ($imp_auth) ? 'horde' : null));
if ($logout_reason && $imp_auth && $conf['menu']['always']) {
$notification->push('setFocus();if (window.parent.frames.horde_menu) window.parent.frames.horde_menu.location.reload();', 'javascript');
} else {
$notification->push('setFocus()', 'javascript');
}
$formAction = Horde::url('redirect.php', false, -1, true);
$formData = null;
$reason = $auth->getLogoutReasonString();
/* Add some javascript. */
Horde::addScriptFile('enter_key_trap.js', 'horde', true);
/* Do we need to do IE version detection? */
if (!Auth::getAuth() &&
($browser->getBrowser() == 'msie') &&
($browser->getMajor() >= 5)) {
$ie_clientcaps = true;
}
require_once 'Horde/Menu.php';
require IMP_TEMPLATES . '/common-header.inc';
require IMP_TEMPLATES . '/login/login.inc';
if (@is_readable(IMP_BASE . '/config/motd.php')) {
require IMP_BASE . '/config/motd.php';
}
require $registry->get('templates', 'horde') . '/common-footer.inc';
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