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 $_perfCounters = array();
43 // We provide all our dependencies through our own autoload.
44 // This will probably be configurable for distributing with
45 // system packages (like with Debian apt etc. where included
46 // libraries are maintained through repositories)
47 set_include_path('.'); // mainly fixes an issue where /usr/share/{pear,php*}/DB/DataObject.php is _old_ on various systems...
49 define('INSTALLDIR', dirname(__FILE__));
50 define('GNUSOCIAL', true);
51 define('STATUSNET', true); // compatibility
56 function getPath($req)
60 if ((common_config('site', 'fancy') || !array_key_exists('PATH_INFO', $_SERVER))
61 && array_key_exists('p', $req)
64 } else if (array_key_exists('PATH_INFO', $_SERVER)) {
65 $path = $_SERVER['PATH_INFO'];
66 $script = $_SERVER['SCRIPT_NAME'];
67 if (substr($path, 0, mb_strlen($script)) == $script) {
68 $p = substr($path, mb_strlen($script) + 1);
76 // Trim all initial '/'
84 * logs and then displays error messages
88 function handleError($error)
92 if ($error->getCode() == DB_DATAOBJECT_ERROR_NODATA) {
96 $logmsg = "PEAR error: " . $error->getMessage();
97 if ($error instanceof PEAR_Exception && common_config('site', 'logdebug')) {
98 $logmsg .= " : ". $error->toText();
100 // DB queries often end up with a lot of newlines; merge to a single line
101 // for easier grepability...
102 $logmsg = str_replace("\n", " ", $logmsg);
103 common_log(LOG_ERR, $logmsg);
105 // @fixme backtrace output should be consistent with exception handling
106 if (common_config('site', 'logdebug')) {
107 $bt = $error->getTrace();
108 foreach ($bt as $n => $line) {
109 common_log(LOG_ERR, formatBacktraceLine($n, $line));
112 if ($error instanceof DB_DataObject_Error
113 || $error instanceof DB_Error
114 || ($error instanceof PEAR_Exception && $error->getCode() == -24)
116 //If we run into a DB error, assume we can't connect to the DB at all
117 //so set the current user to null, so we don't try to access the DB
118 //while rendering the error page.
123 // TRANS: Database error message.
124 _('The database for %1$s is not responding correctly, '.
125 'so the site will not work properly. '.
126 'The site admins probably know about the problem, '.
127 'but you can contact them at %2$s to make sure. '.
128 'Otherwise, wait a few minutes and try again.'
130 common_config('site', 'name'),
131 common_config('site', 'email')
134 $erraction = new DBErrorAction($msg, 500);
135 } elseif ($error instanceof ClientException) {
136 $erraction = new ClientErrorAction($error->getMessage(), $error->getCode());
137 } elseif ($error instanceof ServerException) {
138 $erraction = new ServerErrorAction($error->getMessage(), $error->getCode(), $error);
140 // If it wasn't specified more closely which kind of exception it was
141 $erraction = new ServerErrorAction($error->getMessage(), 500, $error);
143 $erraction->showPage();
145 } catch (Exception $e) {
146 // TRANS: Error message.
147 echo _('An error occurred.');
153 set_exception_handler('handleError');
155 // quick check for fancy URL auto-detection support in installer.
156 if (preg_replace("/\?.+$/", "", $_SERVER['REQUEST_URI']) === preg_replace("/^\/$/", "", (dirname($_SERVER['REQUEST_URI']))) . '/check-fancy') {
157 die("Fancy URL support detection succeeded. We suggest you enable this to get fancy (pretty) URLs.");
160 require_once INSTALLDIR . '/lib/common.php';
163 * Format a backtrace line for debug output roughly like debug_print_backtrace() does.
164 * Exceptions already have this built in, but PEAR error objects just give us the array.
166 * @param int $n line number
167 * @param array $line per-frame array item from debug_backtrace()
170 function formatBacktraceLine($n, $line)
173 if (isset($line['class'])) $out .= $line['class'];
174 if (isset($line['type'])) $out .= $line['type'];
175 if (isset($line['function'])) $out .= $line['function'];
177 if (isset($line['args'])) {
179 foreach ($line['args'] as $arg) {
180 // debug_print_backtrace seems to use var_export
181 // but this gets *very* verbose!
182 $args[] = gettype($arg);
184 $out .= implode(',', $args);
187 $out .= ' called at [';
188 if (isset($line['file'])) $out .= $line['file'];
189 if (isset($line['line'])) $out .= ':' . $line['line'];
198 static $alwaysRW = array('session', 'remember_me');
200 $rwdb = $config['db']['database'];
202 if (Event::handle('StartReadWriteTables', array(&$alwaysRW, &$rwdb))) {
204 // We ensure that these tables always are used
207 $config['db']['database_rw'] = $rwdb;
208 $config['db']['ini_rw'] = INSTALLDIR.'/classes/statusnet.ini';
210 foreach ($alwaysRW as $table) {
211 $config['db']['table_'.$table] = 'rw';
214 Event::handle('EndReadWriteTables', array($alwaysRW, $rwdb));
220 function isLoginAction($action)
222 static $loginActions = array('login', 'recoverpassword', 'api', 'doc', 'register', 'publicxrds', 'otp', 'opensearch', 'rsd');
226 if (Event::handle('LoginAction', array($action, &$login))) {
227 $login = in_array($action, $loginActions);
235 global $user, $action;
237 if (!_have_config()) {
239 // TRANS: Error message displayed when there is no StatusNet configuration file.
240 _("No configuration file found. Try running ".
241 "the installation program first."
244 $sac = new ServerErrorAction($msg);
249 // Make sure RW database is setup
253 // XXX: we need a little more structure in this script
255 // get and cache current user (may hit RW!)
257 $user = common_current_user();
259 // initialize language env
261 common_init_language();
263 $path = getPath($_REQUEST);
267 $args = $r->map($path);
269 // If the request is HTTP and it should be HTTPS...
270 if (GNUsocial::useHTTPS() && !GNUsocial::isHTTPS()) {
271 common_redirect(common_local_url($args['action'], $args));
274 $args = array_merge($args, $_REQUEST);
276 Event::handle('ArgsInitialize', array(&$args));
278 $action = basename($args['action']);
280 if (!$action || !preg_match('/^[a-zA-Z0-9_-]*$/', $action)) {
281 common_redirect(common_local_url('public'));
284 // If the site is private, and they're not on one of the "public"
285 // parts of the site, redirect to login
287 if (!$user && common_config('site', 'private')
288 && !isLoginAction($action)
289 && !preg_match('/rss$/', $action)
290 && $action != 'robotstxt'
291 && !preg_match('/^Api/', $action)) {
294 $rargs =& common_copy_args($args);
295 unset($rargs['action']);
296 if (common_config('site', 'fancy')) {
299 if (array_key_exists('submit', $rargs)) {
300 unset($rargs['submit']);
302 foreach (array_keys($_COOKIE) as $cookie) {
303 unset($rargs[$cookie]);
305 common_set_returnto(common_local_url($action, $rargs));
307 common_redirect(common_local_url('login'));
310 $action_class = ucfirst($action).'Action';
312 if (!class_exists($action_class)) {
313 // TRANS: Error message displayed when trying to perform an undefined action.
314 throw new ClientException(_('Unknown action'), 404);
317 call_user_func("$action_class::run", $args);
322 // XXX: cleanup exit() calls or add an exit handler so
323 // this always gets called
325 Event::handle('CleanupPlugin');