附上Index.php代码：
// include environment
require_once 'program/include/iniset.php';
// init application and start session with requested task
$RCMAIL = rcmail::get_instance();
// init output class
$OUTPUT = !empty($_REQUEST['_remote']) ? $RCMAIL->init_json() : $RCMAIL->load_gui(!empty($_REQUEST['_framed']));
// set output buffering
if ($RCMAIL->action != 'get' && $RCMAIL->action != 'viewsource') {
// use gzip compression if supported
if (function_exists('ob_gzhandler')
&& !ini_get('zlib.output_compression')
&& ini_get('output_handler') != 'ob_gzhandler') {
ob_start('ob_gzhandler');
}
else {
ob_start();
}
}
// check if config files had errors
if ($err_str = $RCMAIL->config->get_error()) {
raise_error(array(
'code' => 601,
'type' => 'php',
'message' => $err_str), false, true);
}
// check DB connections and exit on failure
if ($err_str = $DB->is_error()) {
raise_error(array(
'code' => 603,
'type' => 'db',
'message' => $err_str), FALSE, TRUE);
}
// error steps
if ($RCMAIL->action=='error' && !empty($_GET['_code'])) {
raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE);
}
// try to log in
if ($RCMAIL->action=='login' && $RCMAIL->task=='mail') {
$host = $RCMAIL->autoselect_host();
// check if client supports cookies
if (empty($_COOKIE)) {
$OUTPUT->show_message("cookiesdisabled", 'warning');
}
else if ($_SESSION['temp'] && !empty($_POST['_user']) && !empty($_POST['_pass']) &&
$RCMAIL->login(trim(get_input_value('_user', RCUBE_INPUT_POST), ' '),
get_input_value('_pass', RCUBE_INPUT_POST, true, 'ISO-8859-1'), $host)) {
// create new session ID
unset($_SESSION['temp']);
rcube_sess_regenerate_id();
// send auth cookie if necessary
$RCMAIL->authenticate_session();
// log successful login
if ($RCMAIL->config->get('log_logins')) {
write_log('userlogins', sprintf('Successful login for %s (id %d) from %s',
$RCMAIL->user->get_username(),
$RCMAIL->user->ID,
$_SERVER['REMOTE_ADDR']));
}
// send redirect
$OUTPUT->redirect();
}
else {
$OUTPUT->show_message($IMAP->error_code < -1 ? 'imaperror' : 'loginfailed', 'warning');
$RCMAIL->kill_session();
}
}
// end session
else if (($RCMAIL->task=='logout' || $RCMAIL->action=='logout') && isset($_SESSION['user_id'])) {
$OUTPUT->show_message('loggedout');
$RCMAIL->logout_actions();
$RCMAIL->kill_session();
}
// check session and auth cookie
else if ($RCMAIL->action != 'login' && $_SESSION['user_id'] && $RCMAIL->action != 'send') {
if (!$RCMAIL->authenticate_session()) {
$OUTPUT->show_message('sessionerror', 'error');
$RCMAIL->kill_session();
}
}
// check client X-header to verify request origin
if ($OUTPUT->ajax_call) {
if (!$RCMAIL->config->get('devel_mode') && !rc_request_header('X-RoundCube-Referer')) {
header('HTTP/1.1 404 Not Found');
die("Invalid Request");
}
}
// not logged in -> show login page
if (empty($RCMAIL->user->ID)) {
if ($OUTPUT->ajax_call)
$OUTPUT->redirect(array(), 2000);
// check if installer is still active
if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) {
$OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"),
html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") .
html::p(null, "The install script of your RoundCube installation is still stored in its default location!") .
html::p(null, "Please <b>remove</b> the whole <tt>installer</tt> folder from the RoundCube directory because .
these files may expose sensitive configuration data like server passwords and encryption keys
to the public. Make sure you cannot access the <a href=\"./installer/\">installer script</a> from your browser.")
)
);
}
$OUTPUT->set_env('task', 'login');
$OUTPUT->send('login');
}
// handle keep-alive signal
if ($RCMAIL->action == 'keep-alive') {
$OUTPUT->reset();
$OUTPUT->send();
}
// save preference value
else if ($RCMAIL->action == 'save-pref') {
$RCMAIL->user->save_prefs(array(get_input_value('_name', RCUBE_INPUT_POST) => get_input_value('_value', RCUBE_INPUT_POST)));
$OUTPUT->reset();
$OUTPUT->send();
}
// map task/action to a certain include file
$action_map = array(
'mail' => array(
'preview' => 'show.inc',
'print' => 'show.inc',
'moveto' => 'move_del.inc',
'delete' => 'move_del.inc',
'send' => 'sendmail.inc',
'expunge' => 'folders.inc',
'purge' => 'folders.inc',
'remove-attachment' => 'attachments.inc',
'display-attachment' => 'attachments.inc',
'upload' => 'attachments.inc',
),
'addressbook' => array(
'add' => 'edit.inc',
),
'settings' => array(
'folders' => 'manage_folders.inc',
'create-folder' => 'manage_folders.inc',
'rename-folder' => 'manage_folders.inc',
'delete-folder' => 'manage_folders.inc',
'subscribe' => 'manage_folders.inc',
'unsubscribe' => 'manage_folders.inc',
'add-identity' => 'edit_identity.inc',
)
);
// include task specific functions
include_once 'program/steps/'.$RCMAIL->task.'/func.inc';
// allow 5 "redirects" to another action
$redirects = 0; $incstep = null;
while ($redirects < 5) {
$stepfile = !empty($action_map[$RCMAIL->task][$RCMAIL->action]) ?
$action_map[$RCMAIL->task][$RCMAIL->action] : strtr($RCMAIL->action, '-', '_') . '.inc';
// try to include the step file
if (is_file(($incfile = 'program/steps/'.$RCMAIL->task.'/'.$stepfile))) {
include($incfile);
$redirects++;
}
else {
break;
}
}
// parse main template (default)
$OUTPUT->send($RCMAIL->task);
// if we arrive here, something went wrong
raise_error(array(
'code' => 404,
'type' => 'php',
'line' => __LINE__,
'file' => __FILE__,
'message' => "Invalid request"), true, true);
?>