3 * StatusNet - the distributed open-source microblogging tool
4 * Copyright (C) 2008, 2009, StatusNet, Inc.
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU Affero General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Affero General Public License for more details.
16 * You should have received a copy of the GNU Affero General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * @author Brenda Wallace <shiny@cpan.org>
22 * @author Brion Vibber <brion@pobox.com>
23 * @author Christopher Vollick <psycotica0@gmail.com>
24 * @author CiaranG <ciaran@ciarang.com>
25 * @author Craig Andrews <candrews@integralblue.com>
26 * @author Evan Prodromou <evan@controlezvous.ca>
27 * @author Gina Haeussge <osd@foosel.net>
28 * @author James Walker <walkah@walkah.net>
29 * @author Jeffery To <jeffery.to@gmail.com>
30 * @author Mike Cochrane <mikec@mikenz.geek.nz>
31 * @author Robin Millette <millette@controlyourself.ca>
32 * @author Sarven Capadisli <csarven@controlyourself.ca>
33 * @author Tom Adams <tom@holizz.com>
34 * @author Zach Copley <zach@status.net>
35 * @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
37 * @license GNU Affero General Public License http://www.gnu.org/licenses/
40 $_startTime = microtime(true);
41 $_perfCounters = array();
43 define('INSTALLDIR', dirname(__FILE__));
44 define('GNUSOCIAL', true);
45 define('STATUSNET', true); // compatibility
50 function getPath($req)
54 if ((common_config('site', 'fancy') || !array_key_exists('PATH_INFO', $_SERVER))
55 && array_key_exists('p', $req)
58 } else if (array_key_exists('PATH_INFO', $_SERVER)) {
59 $path = $_SERVER['PATH_INFO'];
60 $script = $_SERVER['SCRIPT_NAME'];
61 if (substr($path, 0, mb_strlen($script)) == $script) {
62 $p = substr($path, mb_strlen($script) + 1);
70 // Trim all initial '/'
78 * logs and then displays error messages
82 function handleError($error)
86 if ($error->getCode() == DB_DATAOBJECT_ERROR_NODATA) {
90 $logmsg = "PEAR error: " . $error->getMessage();
91 if ($error instanceof PEAR_Exception && common_config('site', 'logdebug')) {
92 $logmsg .= " : ". $error->toText();
94 // DB queries often end up with a lot of newlines; merge to a single line
95 // for easier grepability...
96 $logmsg = str_replace("\n", " ", $logmsg);
97 common_log(LOG_ERR, $logmsg);
99 // @fixme backtrace output should be consistent with exception handling
100 if (common_config('site', 'logdebug')) {
101 $bt = $error->getTrace();
102 foreach ($bt as $n => $line) {
103 common_log(LOG_ERR, formatBacktraceLine($n, $line));
106 if ($error instanceof DB_DataObject_Error
107 || $error instanceof DB_Error
108 || ($error instanceof PEAR_Exception && $error->getCode() == -24)
110 //If we run into a DB error, assume we can't connect to the DB at all
111 //so set the current user to null, so we don't try to access the DB
112 //while rendering the error page.
117 // TRANS: Database error message.
118 _('The database for %1$s is not responding correctly, '.
119 'so the site will not work properly. '.
120 'The site admins probably know about the problem, '.
121 'but you can contact them at %2$s to make sure. '.
122 'Otherwise, wait a few minutes and try again.'
124 common_config('site', 'name'),
125 common_config('site', 'email')
128 $erraction = new DBErrorAction($msg, 500);
129 } elseif ($error instanceof ClientException) {
130 $erraction = new ClientErrorAction($error->getMessage(), $error->getCode());
131 } elseif ($error instanceof ServerException) {
132 $erraction = new ServerErrorAction($error->getMessage(), $error->getCode(), $error);
134 // If it wasn't specified more closely which kind of exception it was
135 $erraction = new ServerErrorAction($error->getMessage(), 500, $error);
137 $erraction->showPage();
139 } catch (Exception $e) {
140 // TRANS: Error message.
141 echo _('An error occurred.');
147 set_exception_handler('handleError');
149 // quick check for fancy URL auto-detection support in installer.
150 if (preg_replace("/\?.+$/", "", $_SERVER['REQUEST_URI']) === preg_replace("/^\/$/", "", (dirname($_SERVER['REQUEST_URI']))) . '/check-fancy') {
151 die("Fancy URL support detection succeeded. We suggest you enable this to get fancy (pretty) URLs.");
154 require_once INSTALLDIR . '/lib/common.php';
157 * Format a backtrace line for debug output roughly like debug_print_backtrace() does.
158 * Exceptions already have this built in, but PEAR error objects just give us the array.
160 * @param int $n line number
161 * @param array $line per-frame array item from debug_backtrace()
164 function formatBacktraceLine($n, $line)
167 if (isset($line['class'])) $out .= $line['class'];
168 if (isset($line['type'])) $out .= $line['type'];
169 if (isset($line['function'])) $out .= $line['function'];
171 if (isset($line['args'])) {
173 foreach ($line['args'] as $arg) {
174 // debug_print_backtrace seems to use var_export
175 // but this gets *very* verbose!
176 $args[] = gettype($arg);
178 $out .= implode(',', $args);
181 $out .= ' called at [';
182 if (isset($line['file'])) $out .= $line['file'];
183 if (isset($line['line'])) $out .= ':' . $line['line'];
192 static $alwaysRW = array('session', 'remember_me');
194 $rwdb = $config['db']['database'];
196 if (Event::handle('StartReadWriteTables', array(&$alwaysRW, &$rwdb))) {
198 // We ensure that these tables always are used
201 $config['db']['database_rw'] = $rwdb;
202 $config['db']['ini_rw'] = INSTALLDIR.'/classes/statusnet.ini';
204 foreach ($alwaysRW as $table) {
205 $config['db']['table_'.$table] = 'rw';
208 Event::handle('EndReadWriteTables', array($alwaysRW, $rwdb));
214 function isLoginAction($action)
216 static $loginActions = array('login', 'recoverpassword', 'api', 'doc', 'register', 'publicxrds', 'otp', 'opensearch', 'rsd');
220 if (Event::handle('LoginAction', array($action, &$login))) {
221 $login = in_array($action, $loginActions);
229 global $user, $action;
231 if (!_have_config()) {
233 // TRANS: Error message displayed when there is no StatusNet configuration file.
234 _("No configuration file found. Try running ".
235 "the installation program first."
238 $sac = new ServerErrorAction($msg);
243 // Make sure RW database is setup
247 // XXX: we need a little more structure in this script
249 // get and cache current user (may hit RW!)
251 $user = common_current_user();
253 // initialize language env
255 common_init_language();
257 $path = getPath($_REQUEST);
261 $args = $r->map($path);
263 $site_ssl = common_config('site', 'ssl');
265 // If the request is HTTP and it should be HTTPS...
266 if ($site_ssl != 'never' && !GNUsocial::isHTTPS() && common_is_sensitive($args['action'])) {
267 common_redirect(common_local_url($args['action'], $args));
270 $args = array_merge($args, $_REQUEST);
272 Event::handle('ArgsInitialize', array(&$args));
274 $action = basename($args['action']);
276 if (!$action || !preg_match('/^[a-zA-Z0-9_-]*$/', $action)) {
277 common_redirect(common_local_url('public'));
280 // If the site is private, and they're not on one of the "public"
281 // parts of the site, redirect to login
283 if (!$user && common_config('site', 'private')
284 && !isLoginAction($action)
285 && !preg_match('/rss$/', $action)
286 && $action != 'robotstxt'
287 && !preg_match('/^Api/', $action)) {
290 $rargs =& common_copy_args($args);
291 unset($rargs['action']);
292 if (common_config('site', 'fancy')) {
295 if (array_key_exists('submit', $rargs)) {
296 unset($rargs['submit']);
298 foreach (array_keys($_COOKIE) as $cookie) {
299 unset($rargs[$cookie]);
301 common_set_returnto(common_local_url($action, $rargs));
303 common_redirect(common_local_url('login'));
306 $action_class = ucfirst($action).'Action';
308 if (!class_exists($action_class)) {
309 // TRANS: Error message displayed when trying to perform an undefined action.
310 throw new ClientException(_('Unknown action'), 404);
313 call_user_func("$action_class::run", $args);
318 // XXX: cleanup exit() calls or add an exit handler so
319 // this always gets called
321 Event::handle('CleanupPlugin');