githubFork/roundcubemail.git

Thomas Bruederli

2013-10-21 f06aa8058b7e32ba32d4551074b6e0b8a300f751

commit \| author \| age
4e17e6	1	<?php
T	2	/*
a6f90e	3	+-------------------------------------------------------------------------+
e019f2	4	\| Roundcube Webmail IMAP Client \|
f06aa8	5	\| Version 0.8.7 \|
a6f90e	6	\| \|
7fe381	7	\| Copyright (C) 2005-2012, The Roundcube Dev Team \|
a6f90e	8	\| \|
7fe381	9	\| This program is free software: you can redistribute it and/or modify \|
T	10	\| it under the terms of the GNU General Public License (with exceptions \|
	11	\| for skins & plugins) as published by the Free Software Foundation, \|
	12	\| either version 3 of the License, or (at your option) any later version. \|
	13	\| \|
	14	\| This file forms part of the Roundcube Webmail Software for which the \|
	15	\| following exception is added: Plugins and Skins which merely make \|
	16	\| function calls to the Roundcube Webmail Software, and for that purpose \|
	17	\| include it by reference shall not be considered modifications of \|
	18	\| the software. \|
	19	\| \|
	20	\| If you wish to use this file in another project or create a modified \|
	21	\| version that will not be part of the Roundcube Webmail Software, you \|
	22	\| may remove the exception above and use this source code under the \|
	23	\| original version of the license. \|
a6f90e	24	\| \|
A	25	\| This program is distributed in the hope that it will be useful, \|
	26	\| but WITHOUT ANY WARRANTY; without even the implied warranty of \|
7fe381	27	\| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the \|
a6f90e	28	\| GNU General Public License for more details. \|
A	29	\| \|
7fe381	30	\| You should have received a copy of the GNU General Public License \|
T	31	\| along with this program. If not, see http://www.gnu.org/licenses/. \|
a6f90e	32	\| \|
A	33	+-------------------------------------------------------------------------+
	34	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	35	+-------------------------------------------------------------------------+
4e17e6	36
T	37	$Id$
	38
	39	*/
15a9d1	40
47124c	41	// include environment
T	42	require_once 'program/include/iniset.php';
15a9d1	43
48bc52	44	// init application, start session, init output class, etc.
83a763	45	$RCMAIL = rcmail::get_instance();
T	46
9e54e6	47	// Make the whole PHP output non-cacheable (#1487797)
A	48	send_nocacheing_headers();
	49
d51c93	50	// turn on output buffering
A	51	ob_start();
8affba	52
8c72e3	53	// check if config files had errors
T	54	if ($err_str = $RCMAIL->config->get_error()) {
	55	raise_error(array(
	56	'code' => 601,
	57	'type' => 'php',
	58	'message' => $err_str), false, true);
	59	}
	60
8affba	61	// check DB connections and exit on failure
c321a9	62	if ($err_str = $RCMAIL->db->is_error()) {
f11541	63	raise_error(array(
T	64	'code' => 603,
	65	'type' => 'db',
	66	'message' => $err_str), FALSE, TRUE);
	67	}
8affba	68
4e17e6	69	// error steps
197601	70	if ($RCMAIL->action=='error' && !empty($_GET['_code'])) {
4e17e6	71	raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE);
47124c	72	}
570f0b	73
f5d61d	74	// check if https is required (for login) and redirect if necessary
T	75	if (empty($_SESSION['user_id']) && ($force_https = $RCMAIL->config->get('force_https', false))) {
	76	$https_port = is_bool($force_https) ? 443 : $force_https;
5818e4	77	if (!rcube_https_check($https_port)) {
76c94b	78	$host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
A	79	$host .= ($https_port != 443 ? ':' . $https_port : '');
	80	header('Location: https://' . $host . $_SERVER['REQUEST_URI']);
f5d61d	81	exit;
T	82	}
	83	}
	84
cc97ea	85	// trigger startup plugin hook
T	86	$startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
	87	$RCMAIL->set_task($startup['task']);
	88	$RCMAIL->action = $startup['action'];
	89
4e17e6	90	// try to log in
9b94eb	91	if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
784a42	92	$request_valid = $_SESSION['temp'] && $RCMAIL->check_request(RCUBE_INPUT_POST, 'login');
T	93
0129d7	94	// purge the session in case of new login when a session already exists
cc97ea	95	$RCMAIL->kill_session();
5f560e	96
cc97ea	97	$auth = $RCMAIL->plugins->exec_hook('authenticate', array(
T	98	'host' => $RCMAIL->autoselect_host(),
	99	'user' => trim(get_input_value('_user', RCUBE_INPUT_POST)),
5f560e	100	'pass' => get_input_value('_pass', RCUBE_INPUT_POST, true,
A	101	$RCMAIL->config->get('password_charset', 'ISO-8859-1')),
446364	102	'cookiecheck' => true,
784a42	103	'valid' => $request_valid,
64608b	104	));
cc97ea	105
ecc3ba	106	// Login
AM	107	if ($auth['valid'] && !$auth['abort'] &&
	108	$RCMAIL->login($auth['user'], $auth['pass'], $auth['host'], $auth['cookiecheck'])
4cfe66	109	) {
A	110	// create new session ID, don't destroy the current session
c294ea	111	// it was destroyed already by $RCMAIL->kill_session() above
4cfe66	112	$RCMAIL->session->remove('temp');
c294ea	113	$RCMAIL->session->regenerate_id(false);
aad6e2	114
T	115	// send auth cookie if necessary
cf2da2	116	$RCMAIL->session->set_auth_cookie();
aad6e2	117
5e0045	118	// log successful login
354455	119	rcmail_log_login();
10eedb	120
cc97ea	121	// restore original request parameters
88007c	122	$query = array();
32234d	123	if ($url = get_input_value('_url', RCUBE_INPUT_POST)) {
cc97ea	124	parse_str($url, $query);
c294ea	125
32234d	126	// prevent endless looping on login page
T	127	if ($query['_task'] == 'login')
	128	unset($query['_task']);
f4698c	129
A	130	// prevent redirect to compose with specified ID (#1488226)
	131	if ($query['_action'] == 'compose' && !empty($query['_id']))
	132	$query = array();
32234d	133	}
cc97ea	134
T	135	// allow plugins to control the redirect url after login success
32234d	136	$redir = $RCMAIL->plugins->exec_hook('login_after', $query + array('_task' => 'mail'));
fcc7f8	137	unset($redir['abort'], $redir['_err']);
5e0045	138
4e17e6	139	// send redirect
cc97ea	140	$OUTPUT->redirect($redir);
4e17e6	141	}
47124c	142	else {
ecc3ba	143	if (!$auth['valid']) {
AM	144	$error_code = RCMAIL::ERROR_INVALID_REQUEST;
	145	}
	146	else {
	147	$error_code = $auth['error'] ? $auth['error'] : $RCMAIL->login_error();
	148	}
6d99f9	149
ecc3ba	150	$error_labels = array(
AM	151	RCMAIL::ERROR_STORAGE => 'storageerror',
	152	RCMAIL::ERROR_COOKIES_DISABLED => 'cookiesdisabled',
	153	RCMAIL::ERROR_INVALID_REQUEST => 'invalidrequest',
	154	RCMAIL::ERROR_INVALID_HOST => 'invalidhost',
	155	);
	156
	157	$error_message = $error_labels[$error_code] ? $error_labels[$error_code] : 'loginfailed';
	158
	159	$OUTPUT->show_message($error_message, 'warning');
8fcc3e	160	$RCMAIL->plugins->exec_hook('login_failed', array(
6d99f9	161	'code' => $error_code, 'host' => $auth['host'], 'user' => $auth['user']));
1854c4	162	$RCMAIL->kill_session();
f11541	163	}
T	164	}
4e17e6	165
de62f0	166	// end session (after optional referer check)
T	167	else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id']) && (!$RCMAIL->config->get('referer_check') \|\| rcube_check_referer())) {
c321a9	168	$userdata = array(
T	169	'user' => $_SESSION['username'],
	170	'host' => $_SESSION['storage_host'],
	171	'lang' => $RCMAIL->user->language,
	172	);
f11541	173	$OUTPUT->show_message('loggedout');
1854c4	174	$RCMAIL->logout_actions();
T	175	$RCMAIL->kill_session();
7ef47e	176	$RCMAIL->plugins->exec_hook('logout_after', $userdata);
f11541	177	}
4e17e6	178
bac7d1	179	// check session and auth cookie
9b94eb	180	else if ($RCMAIL->task != 'login' && $_SESSION['user_id'] && $RCMAIL->action != 'send') {
cf2da2	181	if (!$RCMAIL->session->check_auth()) {
1854c4	182	$RCMAIL->kill_session();
fcc7f8	183	$session_error = true;
4e17e6	184	}
f11541	185	}
4e17e6	186
T	187	// not logged in -> show login page
197601	188	if (empty($RCMAIL->user->ID)) {
fcc7f8	189	// log session failures
6354da	190	if (($task = get_input_value('_task', RCUBE_INPUT_GPC)) && !in_array($task, array('login','logout')) && !$session_error && ($sess_id = $_COOKIE[ini_get('session.name')])) {
fcc7f8	191	$RCMAIL->session->log("Aborted session " . $sess_id . "; no valid session data found");
T	192	$session_error = true;
	193	}
	194
ec045b	195	if ($OUTPUT->ajax_call)
fcc7f8	196	$OUTPUT->redirect(array('_err' => 'session'), 2000);
9b94eb	197
ccc80d	198	if (!empty($_REQUEST['_framed']))
fcc7f8	199	$OUTPUT->command('redirect', $RCMAIL->url(array('_err' => 'session')));
ccc80d	200
330127	201	// check if installer is still active
83a763	202	if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) {
47124c	203	$OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"),
T	204	html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") .
e019f2	205	html::p(null, "The install script of your Roundcube installation is still stored in its default location!") .
A	206	html::p(null, "Please <b>remove</b> the whole <tt>installer</tt> folder from the Roundcube directory because .
47124c	207	these files may expose sensitive configuration data like server passwords and encryption keys
T	208	to the public. Make sure you cannot access the <a href=\"./installer/\">installer script</a> from your browser.")
	209	)
	210	);
	211	}
9e54e6	212
fcc7f8	213	if ($session_error \|\| $_REQUEST['_err'] == 'session')
T	214	$OUTPUT->show_message('sessionerror', 'error', null, true, -1);
249db1	215
ae2e88	216	$plugin = $RCMAIL->plugins->exec_hook('unauthenticated', array('task' => 'login', 'error' => $session_error));
AM	217
	218	$RCMAIL->set_task($plugin['task']);
	219	$OUTPUT->send($plugin['task']);
f11541	220	}
249db1	221	// CSRF prevention
A	222	else {
5def04	223	$request_check_whitelist = array('login'=>1, 'spell'=>1, 'spell_html'=>1);
4e17e6	224
5def04	225	if (!$request_check_whitelist[$RCMAIL->action]) {
AM	226	// check client X-header to verify request origin
	227	if ($OUTPUT->ajax_call) {
	228	if (rc_request_header('X-Roundcube-Request') != $RCMAIL->get_request_token()) {
	229	header('HTTP/1.1 403 Forbidden');
	230	die("Invalid Request");
	231	}
249db1	232	}
5def04	233	// check request token in POST form submissions
AM	234	else if (!empty($_POST) && !$RCMAIL->check_request()) {
	235	$OUTPUT->show_message('invalidrequest', 'error');
	236	$OUTPUT->send($RCMAIL->task);
	237	}
a77cf2	238
5def04	239	// check referer if configured
AM	240	if ($RCMAIL->config->get('referer_check') && !rcube_check_referer()) {
	241	raise_error(array(
	242	'code' => 403, 'type' => 'php',
	243	'message' => "Referer check failed"), true, true);
	244	}
a77cf2	245	}
249db1	246	}
4e17e6	247
370302	248	// we're ready, user is authenticated and the request is safe
A	249	$plugin = $RCMAIL->plugins->exec_hook('ready', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
	250	$RCMAIL->set_task($plugin['task']);
	251	$RCMAIL->action = $plugin['action'];
	252
	253
249db1	254	// handle special actions
48aff9	255	if ($RCMAIL->action == 'keep-alive') {
T	256	$OUTPUT->reset();
28ac5c	257	$RCMAIL->plugins->exec_hook('keep_alive', array());
48aff9	258	$OUTPUT->send();
T	259	}
249db1	260	else if ($RCMAIL->action == 'save-pref') {
4351f7	261	include INSTALL_PATH . 'program/steps/utils/save_pref.inc';
249db1	262	}
4e17e6	263
6ea6c9	264
T	265	// include task specific functions
4351f7	266	if (is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/func.inc'))
A	267	include_once $incfile;
4e17e6	268
6ea6c9	269	// allow 5 "redirects" to another action
T	270	$redirects = 0; $incstep = null;
	271	while ($redirects < 5) {
cc97ea	272	// execute a plugin action
05a631	273	if ($RCMAIL->plugins->is_plugin_task($RCMAIL->task)) {
87e58c	274	if (!$RCMAIL->action) $RCMAIL->action = 'index';
05a631	275	$RCMAIL->plugins->exec_action($RCMAIL->task.'.'.$RCMAIL->action);
T	276	break;
	277	}
	278	else if (preg_match('/^plugin\./', $RCMAIL->action)) {
cc97ea	279	$RCMAIL->plugins->exec_action($RCMAIL->action);
T	280	break;
	281	}
6ea6c9	282	// try to include the step file
68d2d5	283	else if (($stepfile = $RCMAIL->get_action_file())
4351f7	284	&& is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/'.$stepfile)
68d2d5	285	) {
4351f7	286	include $incfile;
6ea6c9	287	$redirects++;
T	288	}
	289	else {
	290	break;
	291	}
	292	}
4e17e6	293
T	294
6ea6c9	295	// parse main template (default)
197601	296	$OUTPUT->send($RCMAIL->task);
539cd4	297
T	298
	299	// if we arrive here, something went wrong
f11541	300	raise_error(array(
T	301	'code' => 404,
	302	'type' => 'php',
	303	'line' => __LINE__,
	304	'file' => __FILE__,
47124c	305	'message' => "Invalid request"), true, true);
b25dfd	306