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 // Comment in if you have xdebug installed and need a detailed backtrace:
41 //xdebug_start_trace();
43 $_startTime = microtime(true);
44 $_perfCounters = array();
46 // We provide all our dependencies through our own autoload.
47 // This will probably be configurable for distributing with
48 // system packages (like with Debian apt etc. where included
49 // libraries are maintained through repositories)
50 set_include_path('.'); // mainly fixes an issue where /usr/share/{pear,php*}/DB/DataObject.php is _old_ on various systems...
52 define('INSTALLDIR', dirname(__FILE__));
53 define('GNUSOCIAL', true);
54 define('STATUSNET', true); // compatibility
59 function getPath($req)
63 if ((common_config('site', 'fancy') || !array_key_exists('PATH_INFO', $_SERVER))
64 && array_key_exists('p', $req)
67 } else if (array_key_exists('PATH_INFO', $_SERVER)) {
68 $path = $_SERVER['PATH_INFO'];
69 $script = $_SERVER['SCRIPT_NAME'];
70 if (substr($path, 0, mb_strlen($script)) == $script) {
71 $p = substr($path, mb_strlen($script) + 1);
79 // Trim all initial '/'
87 * logs and then displays error messages
91 function handleError($error)
95 if ($error->getCode() == DB_DATAOBJECT_ERROR_NODATA) {
99 $logmsg = "PEAR error: " . $error->getMessage();
100 if ($error instanceof PEAR_Exception && common_config('site', 'logdebug')) {
101 $logmsg .= " : ". $error->toText();
103 // DB queries often end up with a lot of newlines; merge to a single line
104 // for easier grepability...
105 $logmsg = str_replace("\n", " ", $logmsg);
106 common_log(LOG_ERR, $logmsg);
108 // @fixme backtrace output should be consistent with exception handling
109 if (common_config('site', 'logdebug')) {
110 $bt = $error->getTrace();
111 foreach ($bt as $n => $line) {
112 common_log(LOG_ERR, formatBacktraceLine($n, $line));
115 if ($error instanceof DB_DataObject_Error
116 || $error instanceof DB_Error
117 || ($error instanceof PEAR_Exception && $error->getCode() == -24)
119 //If we run into a DB error, assume we can't connect to the DB at all
120 //so set the current user to null, so we don't try to access the DB
121 //while rendering the error page.
126 // TRANS: Database error message.
127 _('The database for %1$s is not responding correctly, '.
128 'so the site will not work properly. '.
129 'The site admins probably know about the problem, '.
130 'but you can contact them at %2$s to make sure. '.
131 'Otherwise, wait a few minutes and try again.'
133 common_config('site', 'name'),
134 common_config('site', 'email')
137 $erraction = new DBErrorAction($msg, 500);
138 } elseif ($error instanceof ClientException) {
139 $erraction = new ClientErrorAction($error->getMessage(), $error->getCode());
140 } elseif ($error instanceof ServerException) {
141 $erraction = new ServerErrorAction($error->getMessage(), $error->getCode(), $error);
143 // If it wasn't specified more closely which kind of exception it was
144 $erraction = new ServerErrorAction($error->getMessage(), 500, $error);
146 $erraction->showPage();
148 } catch (Exception $e) {
149 // TRANS: Error message.
150 echo _('An error occurred.');
156 set_exception_handler('handleError');
158 // quick check for fancy URL auto-detection support in installer.
159 if (preg_replace("/\?.+$/", "", $_SERVER['REQUEST_URI']) === preg_replace("/^\/$/", "", (dirname($_SERVER['REQUEST_URI']))) . '/check-fancy') {
160 die("Fancy URL support detection succeeded. We suggest you enable this to get fancy (pretty) URLs.");
163 require_once INSTALLDIR . '/lib/common.php';
166 * Format a backtrace line for debug output roughly like debug_print_backtrace() does.
167 * Exceptions already have this built in, but PEAR error objects just give us the array.
169 * @param int $n line number
170 * @param array $line per-frame array item from debug_backtrace()
173 function formatBacktraceLine($n, $line)
176 if (isset($line['class'])) $out .= $line['class'];
177 if (isset($line['type'])) $out .= $line['type'];
178 if (isset($line['function'])) $out .= $line['function'];
180 if (isset($line['args'])) {
182 foreach ($line['args'] as $arg) {
183 // debug_print_backtrace seems to use var_export
184 // but this gets *very* verbose!
185 $args[] = gettype($arg);
187 $out .= implode(',', $args);
190 $out .= ' called at [';
191 if (isset($line['file'])) $out .= $line['file'];
192 if (isset($line['line'])) $out .= ':' . $line['line'];
201 static $alwaysRW = array('session', 'remember_me');
203 $rwdb = $config['db']['database'];
205 if (Event::handle('StartReadWriteTables', array(&$alwaysRW, &$rwdb))) {
207 // We ensure that these tables always are used
210 $config['db']['database_rw'] = $rwdb;
211 $config['db']['ini_rw'] = INSTALLDIR.'/classes/statusnet.ini';
213 foreach ($alwaysRW as $table) {
214 $config['db']['table_'.$table] = 'rw';
217 Event::handle('EndReadWriteTables', array($alwaysRW, $rwdb));
223 function isLoginAction($action)
225 static $loginActions = array('login', 'recoverpassword', 'api', 'doc', 'register', 'publicxrds', 'otp', 'opensearch', 'rsd');
229 if (Event::handle('LoginAction', array($action, &$login))) {
230 $login = in_array($action, $loginActions);
238 global $user, $action;
240 if (!_have_config()) {
242 // TRANS: Error message displayed when there is no StatusNet configuration file.
243 _("No configuration file found. Try running ".
244 "the installation program first."
247 $sac = new ServerErrorAction($msg);
252 // Make sure RW database is setup
256 // XXX: we need a little more structure in this script
258 // get and cache current user (may hit RW!)
260 $user = common_current_user();
262 // initialize language env
264 common_init_language();
266 $path = getPath($_REQUEST);
270 $args = $r->map($path);
272 // If the request is HTTP and it should be HTTPS...
273 if (GNUsocial::useHTTPS() && !GNUsocial::isHTTPS()) {
274 common_redirect(common_local_url($args['action'], $args));
277 $args = array_merge($args, $_REQUEST);
279 Event::handle('ArgsInitialize', array(&$args));
281 $action = basename($args['action']);
283 if (!$action || !preg_match('/^[a-zA-Z0-9_-]*$/', $action)) {
284 common_redirect(common_local_url('public'));
287 // If the site is private, and they're not on one of the "public"
288 // parts of the site, redirect to login
290 if (!$user && common_config('site', 'private')
291 && !isLoginAction($action)
292 && !preg_match('/rss$/', $action)
293 && $action != 'robotstxt'
294 && !preg_match('/^Api/', $action)) {
297 $rargs =& common_copy_args($args);
298 unset($rargs['action']);
299 if (common_config('site', 'fancy')) {
302 if (array_key_exists('submit', $rargs)) {
303 unset($rargs['submit']);
305 foreach (array_keys($_COOKIE) as $cookie) {
306 unset($rargs[$cookie]);
308 common_set_returnto(common_local_url($action, $rargs));
310 common_redirect(common_local_url('login'));
313 $action_class = ucfirst($action).'Action';
315 if (!class_exists($action_class)) {
316 // TRANS: Error message displayed when trying to perform an undefined action.
317 throw new ClientException(_('Unknown action'), 404);
320 call_user_func("$action_class::run", $args);
325 // XXX: cleanup exit() calls or add an exit handler so
326 // this always gets called
328 Event::handle('CleanupPlugin');