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comparison index.php @ 0:1e000243b222

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vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:50:29 -0500
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children 05c4c32948af
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-1:000000000000 0:1e000243b222
1 <?php
2 /**
3 +-------------------------------------------------------------------------+
4 | Roundcube Webmail IMAP Client |
5 | Version 1.3.3 |
6 | |
7 | Copyright (C) 2005-2017, The Roundcube Dev Team |
8 | |
9 | This program is free software: you can redistribute it and/or modify |
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. |
24 | |
25 | This program is distributed in the hope that it will be useful, |
26 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
27 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
28 | GNU General Public License for more details. |
29 | |
30 | You should have received a copy of the GNU General Public License |
31 | along with this program. If not, see http://www.gnu.org/licenses/. |
32 | |
33 +-------------------------------------------------------------------------+
34 | Author: Thomas Bruederli <roundcube@gmail.com> |
35 | Author: Aleksander Machniak <alec@alec.pl> |
36 +-------------------------------------------------------------------------+
37 */
38
39 // include environment
40 require_once 'program/include/iniset.php';
41
42 // init application, start session, init output class, etc.
43 $RCMAIL = rcmail::get_instance(0, $GLOBALS['env']);
44
45 // Make the whole PHP output non-cacheable (#1487797)
46 $RCMAIL->output->nocacheing_headers();
47 $RCMAIL->output->common_headers();
48
49 // turn on output buffering
50 ob_start();
51
52 // check if config files had errors
53 if ($err_str = $RCMAIL->config->get_error()) {
54 rcmail::raise_error(array(
55 'code' => 601,
56 'type' => 'php',
57 'message' => $err_str), false, true);
58 }
59
60 // check DB connections and exit on failure
61 if ($err_str = $RCMAIL->db->is_error()) {
62 rcmail::raise_error(array(
63 'code' => 603,
64 'type' => 'db',
65 'message' => $err_str), false, true);
66 }
67
68 // error steps
69 if ($RCMAIL->action == 'error' && !empty($_GET['_code'])) {
70 rcmail::raise_error(array('code' => hexdec($_GET['_code'])), false, true);
71 }
72
73 // check if https is required (for login) and redirect if necessary
74 if (empty($_SESSION['user_id']) && ($force_https = $RCMAIL->config->get('force_https', false))) {
75 // force_https can be true, <hostname>, <hostname>:<port>, <port>
76 if (!is_bool($force_https)) {
77 list($host, $port) = explode(':', $force_https);
78
79 if (is_numeric($host) && empty($port)) {
80 $port = $host;
81 $host = '';
82 }
83 }
84
85 if (!rcube_utils::https_check($port ?: 443)) {
86 if (empty($host)) {
87 $host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
88 }
89 if ($port && $port != 443) {
90 $host .= ':' . $port;
91 }
92
93 header('Location: https://' . $host . $_SERVER['REQUEST_URI']);
94 exit;
95 }
96 }
97
98 // trigger startup plugin hook
99 $startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
100 $RCMAIL->set_task($startup['task']);
101 $RCMAIL->action = $startup['action'];
102
103 // try to log in
104 if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
105 $request_valid = $_SESSION['temp'] && $RCMAIL->check_request();
106 $pass_charset = $RCMAIL->config->get('password_charset', 'ISO-8859-1');
107
108 // purge the session in case of new login when a session already exists
109 $RCMAIL->kill_session();
110
111 $auth = $RCMAIL->plugins->exec_hook('authenticate', array(
112 'host' => $RCMAIL->autoselect_host(),
113 'user' => trim(rcube_utils::get_input_value('_user', rcube_utils::INPUT_POST)),
114 'pass' => rcube_utils::get_input_value('_pass', rcube_utils::INPUT_POST, true, $pass_charset),
115 'valid' => $request_valid,
116 'cookiecheck' => true,
117 ));
118
119 // Login
120 if ($auth['valid'] && !$auth['abort']
121 && $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'], $auth['cookiecheck'])
122 ) {
123 // create new session ID, don't destroy the current session
124 // it was destroyed already by $RCMAIL->kill_session() above
125 $RCMAIL->session->remove('temp');
126 $RCMAIL->session->regenerate_id(false);
127
128 // send auth cookie if necessary
129 $RCMAIL->session->set_auth_cookie();
130
131 // log successful login
132 $RCMAIL->log_login();
133
134 // restore original request parameters
135 $query = array();
136 if ($url = rcube_utils::get_input_value('_url', rcube_utils::INPUT_POST)) {
137 parse_str($url, $query);
138
139 // prevent endless looping on login page
140 if ($query['_task'] == 'login') {
141 unset($query['_task']);
142 }
143
144 // prevent redirect to compose with specified ID (#1488226)
145 if ($query['_action'] == 'compose' && !empty($query['_id'])) {
146 $query = array('_action' => 'compose');
147 }
148 }
149
150 // allow plugins to control the redirect url after login success
151 $redir = $RCMAIL->plugins->exec_hook('login_after', $query + array('_task' => 'mail'));
152 unset($redir['abort'], $redir['_err']);
153
154 // send redirect
155 $OUTPUT->redirect($redir, 0, true);
156 }
157 else {
158 if (!$auth['valid']) {
159 $error_code = rcmail::ERROR_INVALID_REQUEST;
160 }
161 else {
162 $error_code = is_numeric($auth['error']) ? $auth['error'] : $RCMAIL->login_error();
163 }
164
165 $error_labels = array(
166 rcmail::ERROR_STORAGE => 'storageerror',
167 rcmail::ERROR_COOKIES_DISABLED => 'cookiesdisabled',
168 rcmail::ERROR_INVALID_REQUEST => 'invalidrequest',
169 rcmail::ERROR_INVALID_HOST => 'invalidhost',
170 rcmail::ERROR_RATE_LIMIT => 'accountlocked',
171 );
172
173 $error_message = !empty($auth['error']) && !is_numeric($auth['error']) ? $auth['error'] : ($error_labels[$error_code] ?: 'loginfailed');
174
175 $OUTPUT->show_message($error_message, 'warning');
176
177 // log failed login
178 $RCMAIL->log_login($auth['user'], true, $error_code);
179
180 $RCMAIL->plugins->exec_hook('login_failed', array(
181 'code' => $error_code, 'host' => $auth['host'], 'user' => $auth['user']));
182
183 $RCMAIL->kill_session();
184 }
185 }
186
187 // end session
188 else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id'])) {
189 $RCMAIL->request_security_check($mode = rcube_utils::INPUT_GET);
190
191 $userdata = array(
192 'user' => $_SESSION['username'],
193 'host' => $_SESSION['storage_host'],
194 'lang' => $RCMAIL->user->language,
195 );
196
197 $OUTPUT->show_message('loggedout');
198
199 $RCMAIL->logout_actions();
200 $RCMAIL->kill_session();
201 $RCMAIL->plugins->exec_hook('logout_after', $userdata);
202 }
203
204 // check session and auth cookie
205 else if ($RCMAIL->task != 'login' && $_SESSION['user_id']) {
206 if (!$RCMAIL->session->check_auth()) {
207 $RCMAIL->kill_session();
208 $session_error = true;
209 }
210 }
211
212 // not logged in -> show login page
213 if (empty($RCMAIL->user->ID)) {
214 // log session failures
215 $task = rcube_utils::get_input_value('_task', rcube_utils::INPUT_GPC);
216
217 if ($task && !in_array($task, array('login','logout'))
218 && !$session_error && ($sess_id = $_COOKIE[ini_get('session.name')])
219 ) {
220 $RCMAIL->session->log("Aborted session $sess_id; no valid session data found");
221 $session_error = true;
222 }
223
224 if ($session_error || $_REQUEST['_err'] == 'session') {
225 $OUTPUT->show_message('sessionerror', 'error', null, true, -1);
226 }
227
228 if ($OUTPUT->ajax_call || $OUTPUT->get_env('framed')) {
229 $OUTPUT->command('session_error', $RCMAIL->url(array('_err' => 'session')));
230 $OUTPUT->send('iframe');
231 }
232
233 // check if installer is still active
234 if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) {
235 $OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"),
236 html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") .
237 html::p(null, "The install script of your Roundcube installation is still stored in its default location!") .
238 html::p(null, "Please <b>remove</b> the whole <tt>installer</tt> folder from the Roundcube directory because
239 these files may expose sensitive configuration data like server passwords and encryption keys
240 to the public. Make sure you cannot access the <a href=\"./installer/\">installer script</a> from your browser.")
241 ));
242 }
243
244 $plugin = $RCMAIL->plugins->exec_hook('unauthenticated', array('task' => 'login', 'error' => $session_error));
245
246 $RCMAIL->set_task($plugin['task']);
247
248 $OUTPUT->send($plugin['task']);
249 }
250 else {
251 // CSRF prevention
252 $RCMAIL->request_security_check();
253
254 // check access to disabled actions
255 $disabled_actions = (array) $RCMAIL->config->get('disabled_actions');
256 if (in_array($RCMAIL->task . '.' . ($RCMAIL->action ?: 'index'), $disabled_actions)) {
257 rcube::raise_error(array(
258 'code' => 404, 'type' => 'php',
259 'message' => "Action disabled"), true, true);
260 }
261 }
262
263 // we're ready, user is authenticated and the request is safe
264 $plugin = $RCMAIL->plugins->exec_hook('ready', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
265 $RCMAIL->set_task($plugin['task']);
266 $RCMAIL->action = $plugin['action'];
267
268 // handle special actions
269 if ($RCMAIL->action == 'keep-alive') {
270 $OUTPUT->reset();
271 $RCMAIL->plugins->exec_hook('keep_alive', array());
272 $OUTPUT->send();
273 }
274 else if ($RCMAIL->action == 'save-pref') {
275 include INSTALL_PATH . 'program/steps/utils/save_pref.inc';
276 }
277
278
279 // include task specific functions
280 if (is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/func.inc')) {
281 include_once $incfile;
282 }
283
284 // allow 5 "redirects" to another action
285 $redirects = 0; $incstep = null;
286 while ($redirects < 5) {
287 // execute a plugin action
288 if (preg_match('/^plugin\./', $RCMAIL->action)) {
289 $RCMAIL->plugins->exec_action($RCMAIL->action);
290 break;
291 }
292 // execute action registered to a plugin task
293 else if ($RCMAIL->plugins->is_plugin_task($RCMAIL->task)) {
294 if (!$RCMAIL->action) $RCMAIL->action = 'index';
295 $RCMAIL->plugins->exec_action($RCMAIL->task.'.'.$RCMAIL->action);
296 break;
297 }
298 // try to include the step file
299 else if (($stepfile = $RCMAIL->get_action_file())
300 && is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/'.$stepfile)
301 ) {
302 // include action file only once (in case it don't exit)
303 include_once $incfile;
304 $redirects++;
305 }
306 else {
307 break;
308 }
309 }
310
311 if ($RCMAIL->action == 'refresh') {
312 $RCMAIL->plugins->exec_hook('refresh', array('last' => intval(rcube_utils::get_input_value('_last', rcube_utils::INPUT_GPC))));
313 }
314
315 // parse main template (default)
316 $OUTPUT->send($RCMAIL->task);
317
318 // if we arrive here, something went wrong
319 rcmail::raise_error(array(
320 'code' => 404,
321 'type' => 'php',
322 'line' => __LINE__,
323 'file' => __FILE__,
324 'message' => "Invalid request"), true, true);