Mercurial > hg > rc2

comparison index.php @ 0:4681f974d28b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:52:31 -0500
parents
children bf99236cc5cd
comparison
equal deleted inserted replaced
-1:000000000000 0:4681f974d28b
1 <?php
2 /*
3 +-------------------------------------------------------------------------+
4 | Roundcube Webmail IMAP Client |
5 | Version 1.1.5 |
6 | |
7 | Copyright (C) 2005-2015, 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 $RCMAIL = rcmail::get_instance($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 $https_port = is_bool($force_https) ? 443 : $force_https;
76
77 if (!rcube_utils::https_check($https_port)) {
78 $host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
79 $host .= ($https_port != 443 ? ':' . $https_port : '');
80
81 header('Location: https://' . $host . $_SERVER['REQUEST_URI']);
82 exit;
83 }
84 }
85
86 // trigger startup plugin hook
87 $startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
88 $RCMAIL->set_task($startup['task']);
89 $RCMAIL->action = $startup['action'];
90
91 // try to log in
92 if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
93 $request_valid = $_SESSION['temp'] && $RCMAIL->check_request();
94
95 // purge the session in case of new login when a session already exists
96 $RCMAIL->kill_session();
97
98 $auth = $RCMAIL->plugins->exec_hook('authenticate', array(
99 'host' => $RCMAIL->autoselect_host(),
100 'user' => trim(rcube_utils::get_input_value('_user', rcube_utils::INPUT_POST)),
101 'pass' => rcube_utils::get_input_value('_pass', rcube_utils::INPUT_POST, true,
102 $RCMAIL->config->get('password_charset', 'ISO-8859-1')),
103 'cookiecheck' => true,
104 'valid' => $request_valid,
105 ));
106
107 // Login
108 if ($auth['valid'] && !$auth['abort']
109 && $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'], $auth['cookiecheck'])
110 ) {
111 // create new session ID, don't destroy the current session
112 // it was destroyed already by $RCMAIL->kill_session() above
113 $RCMAIL->session->remove('temp');
114 $RCMAIL->session->regenerate_id(false);
115
116 // send auth cookie if necessary
117 $RCMAIL->session->set_auth_cookie();
118
119 // log successful login
120 $RCMAIL->log_login();
121
122 // restore original request parameters
123 $query = array();
124 if ($url = rcube_utils::get_input_value('_url', rcube_utils::INPUT_POST)) {
125 parse_str($url, $query);
126
127 // prevent endless looping on login page
128 if ($query['_task'] == 'login') {
129 unset($query['_task']);
130 }
131
132 // prevent redirect to compose with specified ID (#1488226)
133 if ($query['_action'] == 'compose' && !empty($query['_id'])) {
134 $query = array('_action' => 'compose');
135 }
136 }
137
138 // allow plugins to control the redirect url after login success
139 $redir = $RCMAIL->plugins->exec_hook('login_after', $query + array('_task' => 'mail'));
140 unset($redir['abort'], $redir['_err']);
141
142 // send redirect
143 $OUTPUT->redirect($redir, 0, true);
144 }
145 else {
146 if (!$auth['valid']) {
147 $error_code = RCMAIL::ERROR_INVALID_REQUEST;
148 }
149 else {
150 $error_code = is_numeric($auth['error']) ? $auth['error'] : $RCMAIL->login_error();
151 }
152
153 $error_labels = array(
154 RCMAIL::ERROR_STORAGE => 'storageerror',
155 RCMAIL::ERROR_COOKIES_DISABLED => 'cookiesdisabled',
156 RCMAIL::ERROR_INVALID_REQUEST => 'invalidrequest',
157 RCMAIL::ERROR_INVALID_HOST => 'invalidhost',
158 );
159
160 $error_message = !empty($auth['error']) && !is_numeric($auth['error']) ? $auth['error'] : ($error_labels[$error_code] ?: 'loginfailed');
161
162 $OUTPUT->show_message($error_message, 'warning');
163
164 // log failed login
165 $RCMAIL->log_login($auth['user'], true, $error_code);
166
167 $RCMAIL->plugins->exec_hook('login_failed', array(
168 'code' => $error_code, 'host' => $auth['host'], 'user' => $auth['user']));
169
170 $RCMAIL->kill_session();
171 }
172 }
173
174 // end session
175 else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id'])) {
176 $RCMAIL->request_security_check($mode = rcube_utils::INPUT_GET);
177
178 $userdata = array(
179 'user' => $_SESSION['username'],
180 'host' => $_SESSION['storage_host'],
181 'lang' => $RCMAIL->user->language,
182 );
183
184 $OUTPUT->show_message('loggedout');
185
186 $RCMAIL->logout_actions();
187 $RCMAIL->kill_session();
188 $RCMAIL->plugins->exec_hook('logout_after', $userdata);
189 }
190
191 // check session and auth cookie
192 else if ($RCMAIL->task != 'login' && $_SESSION['user_id']) {
193 if (!$RCMAIL->session->check_auth()) {
194 $RCMAIL->kill_session();
195 $session_error = true;
196 }
197 }
198
199 // not logged in -> show login page
200 if (empty($RCMAIL->user->ID)) {
201 // log session failures
202 $task = rcube_utils::get_input_value('_task', rcube_utils::INPUT_GPC);
203
204 if ($task && !in_array($task, array('login','logout'))
205 && !$session_error && ($sess_id = $_COOKIE[ini_get('session.name')])
206 ) {
207 $RCMAIL->session->log("Aborted session $sess_id; no valid session data found");
208 $session_error = true;
209 }
210
211 if ($session_error || $_REQUEST['_err'] == 'session') {
212 $OUTPUT->show_message('sessionerror', 'error', null, true, -1);
213 }
214
215 if ($OUTPUT->ajax_call || $OUTPUT->get_env('framed')) {
216 $OUTPUT->command('session_error', $RCMAIL->url(array('_err' => 'session')));
217 $OUTPUT->send('iframe');
218 }
219
220 // check if installer is still active
221 if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) {
222 $OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"),
223 html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") .
224 html::p(null, "The install script of your Roundcube installation is still stored in its default location!") .
225 html::p(null, "Please <b>remove</b> the whole <tt>installer</tt> folder from the Roundcube directory because .
226 these files may expose sensitive configuration data like server passwords and encryption keys
227 to the public. Make sure you cannot access the <a href=\"./installer/\">installer script</a> from your browser.")
228 ));
229 }
230
231 $plugin = $RCMAIL->plugins->exec_hook('unauthenticated', array('task' => 'login', 'error' => $session_error));
232
233 $RCMAIL->set_task($plugin['task']);
234
235 $OUTPUT->send($plugin['task']);
236 }
237 else {
238 // CSRF prevention
239 $RCMAIL->request_security_check();
240
241 // check access to disabled actions
242 $disabled_actions = (array) $RCMAIL->config->get('disabled_actions');
243 if (in_array($RCMAIL->task . '.' . ($RCMAIL->action ?: 'index'), $disabled_actions)) {
244 rcube::raise_error(array(
245 'code' => 403, 'type' => 'php',
246 'message' => "Action disabled"), true, true);
247 }
248 }
249
250 // we're ready, user is authenticated and the request is safe
251 $plugin = $RCMAIL->plugins->exec_hook('ready', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
252 $RCMAIL->set_task($plugin['task']);
253 $RCMAIL->action = $plugin['action'];
254
255 // handle special actions
256 if ($RCMAIL->action == 'keep-alive') {
257 $OUTPUT->reset();
258 $RCMAIL->plugins->exec_hook('keep_alive', array());
259 $OUTPUT->send();
260 }
261 else if ($RCMAIL->action == 'save-pref') {
262 include INSTALL_PATH . 'program/steps/utils/save_pref.inc';
263 }
264
265
266 // include task specific functions
267 if (is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/func.inc')) {
268 include_once $incfile;
269 }
270
271 // allow 5 "redirects" to another action
272 $redirects = 0; $incstep = null;
273 while ($redirects < 5) {
274 // execute a plugin action
275 if (preg_match('/^plugin\./', $RCMAIL->action)) {
276 $RCMAIL->plugins->exec_action($RCMAIL->action);
277 break;
278 }
279 // execute action registered to a plugin task
280 else if ($RCMAIL->plugins->is_plugin_task($RCMAIL->task)) {
281 if (!$RCMAIL->action) $RCMAIL->action = 'index';
282 $RCMAIL->plugins->exec_action($RCMAIL->task.'.'.$RCMAIL->action);
283 break;
284 }
285 // try to include the step file
286 else if (($stepfile = $RCMAIL->get_action_file())
287 && is_file($incfile = INSTALL_PATH . 'program/steps/'.$RCMAIL->task.'/'.$stepfile)
288 ) {
289 // include action file only once (in case it don't exit)
290 include_once $incfile;
291 $redirects++;
292 }
293 else {
294 break;
295 }
296 }
297
298 if ($RCMAIL->action == 'refresh') {
299 $RCMAIL->plugins->exec_hook('refresh', array('last' => intval(rcube_utils::get_input_value('_last', rcube_utils::INPUT_GPC))));
300 }
301
302 // parse main template (default)
303 $OUTPUT->send($RCMAIL->task);
304
305 // if we arrive here, something went wrong
306 rcmail::raise_error(array(
307 'code' => 404,
308 'type' => 'php',
309 'line' => __LINE__,
310 'file' => __FILE__,
311 'message' => "Invalid request"), true, true);