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roundcubemail/index.php

280 lines
9.8 KiB
PHP

<?php
/*
+-------------------------------------------------------------------------+
| RoundCube Webmail IMAP Client |
| Version 0.3-20090814 |
| |
| Copyright (C) 2005-2009, RoundCube Dev. - Switzerland |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License version 2 |
| 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., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| |
+-------------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-------------------------------------------------------------------------+
$Id$
*/
// include environment
require_once 'program/include/iniset.php';
// init application, start session, init output class, etc.
$RCMAIL = rcmail::get_instance();
// turn on output buffering
ob_start();
// check if config files had errors
if ($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);
}
// check if https is required (for login) and redirect if necessary
if (empty($_SESSION['user_id']) && ($force_https = $RCMAIL->config->get('force_https', false))) {
$https_port = is_bool($force_https) ? 443 : $force_https;
if (!rcube_https_check($https_port)) {
$host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
$host .= ($https_port != 443 ? ':' . $https_port : '');
header('Location: https://' . $host . $_SERVER['REQUEST_URI']);
exit;
}
}
// trigger startup plugin hook
$startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
$RCMAIL->set_task($startup['task']);
$RCMAIL->action = $startup['action'];
// try to log in
if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
// purge the session in case of new login when a session already exists
$RCMAIL->kill_session();
$auth = $RCMAIL->plugins->exec_hook('authenticate', array(
'host' => $RCMAIL->autoselect_host(),
'user' => trim(get_input_value('_user', RCUBE_INPUT_POST)),
'cookiecheck' => true,
));
if (!isset($auth['pass']))
$auth['pass'] = get_input_value('_pass', RCUBE_INPUT_POST, true,
$RCMAIL->config->get('password_charset', 'ISO-8859-1'));
// check if client supports cookies
if ($auth['cookiecheck'] && empty($_COOKIE)) {
$OUTPUT->show_message("cookiesdisabled", 'warning');
}
else if ($_SESSION['temp'] && !$auth['abort'] &&
!empty($auth['host']) && !empty($auth['user']) &&
$RCMAIL->login($auth['user'], $auth['pass'], $auth['host'])) {
// create new session ID
$RCMAIL->session->remove('temp');
$RCMAIL->session->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']));
}
// restore original request parameters
$query = array();
if ($url = get_input_value('_url', RCUBE_INPUT_POST))
parse_str($url, $query);
// allow plugins to control the redirect url after login success
$redir = $RCMAIL->plugins->exec_hook('login_after', $query);
unset($redir['abort']);
// send redirect
$OUTPUT->redirect($redir);
}
else {
$OUTPUT->show_message($IMAP->error_code < -1 ? 'imaperror' : 'loginfailed', 'warning');
$RCMAIL->plugins->exec_hook('login_failed', array('code' => $IMAP->error_code, 'host' => $auth['host'], 'user' => $auth['user']));
$RCMAIL->kill_session();
}
}
// end session
else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id'])) {
$userdata = array('user' => $_SESSION['username'], 'host' => $_SESSION['imap_host'], 'lang' => $RCMAIL->user->language);
$OUTPUT->show_message('loggedout');
$RCMAIL->logout_actions();
$RCMAIL->kill_session();
$RCMAIL->plugins->exec_hook('logout_after', $userdata);
}
// check session and auth cookie
else if ($RCMAIL->task != 'login' && $_SESSION['user_id'] && $RCMAIL->action != 'send') {
if (!$RCMAIL->authenticate_session()) {
$OUTPUT->show_message('sessionerror', 'error');
$RCMAIL->kill_session();
}
}
// don't check for valid request tokens in these actions
$request_check_whitelist = array('login'=>1, 'spell'=>1);
// check client X-header to verify request origin
if ($OUTPUT->ajax_call) {
if (!$RCMAIL->config->get('devel_mode') && rc_request_header('X-RoundCube-Request') != $RCMAIL->get_request_token() && !empty($RCMAIL->user->ID)) {
header('HTTP/1.1 404 Not Found');
die("Invalid Request");
}
}
// check request token in POST form submissions
else if (!empty($_POST) && !$request_check_whitelist[$RCMAIL->action] && !$RCMAIL->check_request()) {
$OUTPUT->show_message('invalidrequest', 'error');
$OUTPUT->send($RCMAIL->task);
}
// not logged in -> show login page
if (empty($RCMAIL->user->ID)) {
if ($OUTPUT->ajax_call)
$OUTPUT->redirect(array(), 2000);
if (!empty($_REQUEST['_framed']))
$OUTPUT->command('redirect', '?');
// check if installer is still active
if ($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
$action_map = array(
'mail' => array(
'preview' => 'show.inc',
'print' => 'show.inc',
'moveto' => 'move_del.inc',
'delete' => 'move_del.inc',
'send' => 'sendmail.inc',
'expunge' => 'folders.inc',
'purge' => 'folders.inc',
'remove-attachment' => 'attachments.inc',
'display-attachment' => 'attachments.inc',
'upload' => 'attachments.inc',
'group-expand' => 'autocomplete.inc',
),
'addressbook' => array(
'add' => 'edit.inc',
'group-create' => 'groups.inc',
'group-rename' => 'groups.inc',
'group-delete' => 'groups.inc',
'group-addmember' => 'groups.inc',
'group-delmenber' => 'groups.inc',
),
'settings' => array(
'folders' => 'manage_folders.inc',
'create-folder' => 'manage_folders.inc',
'rename-folder' => 'manage_folders.inc',
'delete-folder' => 'manage_folders.inc',
'subscribe' => 'manage_folders.inc',
'unsubscribe' => 'manage_folders.inc',
'enable-threading' => 'manage_folders.inc',
'disable-threading' => 'manage_folders.inc',
'add-identity' => 'edit_identity.inc',
)
);
// include task specific functions
if (is_file($incfile = 'program/steps/'.$RCMAIL->task.'/func.inc'))
include_once($incfile);
// 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';
// execute a plugin action
if (preg_match('/^plugin\./', $RCMAIL->action)) {
$RCMAIL->plugins->exec_action($RCMAIL->action);
break;
}
// try to include the step file
else 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);
?>