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 define('INSTALLDIR', dirname(__FILE__));
41 define('STATUSNET', true);
42 define('LACONICA', true); // compatibility
47 function getPath($req)
49 if ((common_config('site', 'fancy') || !array_key_exists('PATH_INFO', $_SERVER))
50 && array_key_exists('p', $req)
53 } else if (array_key_exists('PATH_INFO', $_SERVER)) {
54 $path = $_SERVER['PATH_INFO'];
55 $script = $_SERVER['SCRIPT_NAME'];
56 if (substr($path, 0, mb_strlen($script)) == $script) {
57 return substr($path, mb_strlen($script));
67 * logs and then displays error messages
71 function handleError($error)
75 if ($error->getCode() == DB_DATAOBJECT_ERROR_NODATA) {
79 $logmsg = "PEAR error: " . $error->getMessage();
80 if ($error instanceof PEAR_Exception && common_config('site', 'logdebug')) {
81 $logmsg .= " : ". $error->toText();
83 // DB queries often end up with a lot of newlines; merge to a single line
84 // for easier grepability...
85 $logmsg = str_replace("\n", " ", $logmsg);
86 common_log(LOG_ERR, $logmsg);
88 // @fixme backtrace output should be consistent with exception handling
89 if (common_config('site', 'logdebug')) {
90 $bt = $error->getTrace();
91 foreach ($bt as $n => $line) {
92 common_log(LOG_ERR, formatBacktraceLine($n, $line));
95 if ($error instanceof DB_DataObject_Error
96 || $error instanceof DB_Error
97 || ($error instanceof PEAR_Exception && $error->getCode() == -24)
99 //If we run into a DB error, assume we can't connect to the DB at all
100 //so set the current user to null, so we don't try to access the DB
101 //while rendering the error page.
107 'The database for %s isn\'t responding correctly, '.
108 'so the site won\'t work properly. '.
109 'The site admins probably know about the problem, '.
110 'but you can contact them at %s to make sure. '.
111 'Otherwise, wait a few minutes and try again.'
113 common_config('site', 'name'),
114 common_config('site', 'email')
118 'An important error occured, probably related to email setup. '.
119 'Check logfiles for more info..'
123 $dac = new DBErrorAction($msg, 500);
126 } catch (Exception $e) {
127 echo _('An error occurred.');
132 set_exception_handler('handleError');
134 require_once INSTALLDIR . '/lib/common.php';
137 * Format a backtrace line for debug output roughly like debug_print_backtrace() does.
138 * Exceptions already have this built in, but PEAR error objects just give us the array.
140 * @param int $n line number
141 * @param array $line per-frame array item from debug_backtrace()
144 function formatBacktraceLine($n, $line)
147 if (isset($line['class'])) $out .= $line['class'];
148 if (isset($line['type'])) $out .= $line['type'];
149 if (isset($line['function'])) $out .= $line['function'];
151 if (isset($line['args'])) {
153 foreach ($line['args'] as $arg) {
154 // debug_print_backtrace seems to use var_export
155 // but this gets *very* verbose!
156 $args[] = gettype($arg);
158 $out .= implode(',', $args);
161 $out .= ' called at [';
162 if (isset($line['file'])) $out .= $line['file'];
163 if (isset($line['line'])) $out .= ':' . $line['line'];
172 static $alwaysRW = array('session', 'remember_me');
174 // We ensure that these tables always are used
177 $config['db']['database_rw'] = $config['db']['database'];
178 $config['db']['ini_rw'] = INSTALLDIR.'/classes/statusnet.ini';
180 foreach ($alwaysRW as $table) {
181 $config['db']['table_'.$table] = 'rw';
185 function checkMirror($action_obj, $args)
189 if (common_config('db', 'mirror') && $action_obj->isReadOnly($args)) {
190 if (is_array(common_config('db', 'mirror'))) {
191 // "load balancing", ha ha
192 $arr = common_config('db', 'mirror');
193 $k = array_rand($arr);
196 $mirror = common_config('db', 'mirror');
199 // everyone else uses the mirror
201 $config['db']['database'] = $mirror;
205 function isLoginAction($action)
207 static $loginActions = array('login', 'recoverpassword', 'api', 'doc', 'register', 'publicxrds', 'otp', 'opensearch', 'rsd');
211 if (Event::handle('LoginAction', array($action, &$login))) {
212 $login = in_array($action, $loginActions);
220 // fake HTTP redirects using lighttpd's 404 redirects
221 if (strpos($_SERVER['SERVER_SOFTWARE'], 'lighttpd') !== false) {
222 $_lighty_url = $base_url.$_SERVER['REQUEST_URI'];
223 $_lighty_url = @parse_url($_lighty_url);
225 if ($_lighty_url['path'] != '/index.php' && $_lighty_url['path'] != '/') {
226 $_lighty_path = preg_replace('/^'.preg_quote(common_config('site', 'path')).'\//', '', substr($_lighty_url['path'], 1));
227 $_SERVER['QUERY_STRING'] = 'p='.$_lighty_path;
228 if ($_lighty_url['query']) {
229 $_SERVER['QUERY_STRING'] .= '&'.$_lighty_url['query'];
231 parse_str($_lighty_url['query'], $_lighty_query);
232 foreach ($_lighty_query as $key => $val) {
233 $_GET[$key] = $_REQUEST[$key] = $val;
235 $_GET['p'] = $_REQUEST['p'] = $_lighty_path;
238 $_SERVER['REDIRECT_URL'] = preg_replace("/\?.+$/", "", $_SERVER['REQUEST_URI']);
240 // quick check for fancy URL auto-detection support in installer.
241 if (isset($_SERVER['REDIRECT_URL']) && (preg_replace("/^\/$/", "", (dirname($_SERVER['REQUEST_URI']))) . '/check-fancy') === $_SERVER['REDIRECT_URL']) {
242 die("Fancy URL support detection succeeded. We suggest you enable this to get fancy (pretty) URLs.");
244 global $user, $action;
248 if (!_have_config()) {
251 "No configuration file found. Try running ".
252 "the installation program first."
255 $sac = new ServerErrorAction($msg);
260 // Make sure RW database is setup
264 // XXX: we need a little more structure in this script
266 // get and cache current user (may hit RW!)
268 $user = common_current_user();
270 // initialize language env
272 common_init_language();
274 $path = getPath($_REQUEST);
278 $args = $r->map($path);
281 $cac = new ClientErrorAction(_('Unknown page'), 404);
286 $args = array_merge($args, $_REQUEST);
288 Event::handle('ArgsInitialize', array(&$args));
290 $action = $args['action'];
292 if (!$action || !preg_match('/^[a-zA-Z0-9_-]*$/', $action)) {
293 common_redirect(common_local_url('public'));
297 // If the site is private, and they're not on one of the "public"
298 // parts of the site, redirect to login
300 if (!$user && common_config('site', 'private')
301 && !isLoginAction($action)
302 && !preg_match('/rss$/', $action)
303 && $action != 'robotstxt'
304 && !preg_match('/^Api/', $action)) {
307 $rargs =& common_copy_args($args);
308 unset($rargs['action']);
309 if (common_config('site', 'fancy')) {
312 if (array_key_exists('submit', $rargs)) {
313 unset($rargs['submit']);
315 foreach (array_keys($_COOKIE) as $cookie) {
316 unset($rargs[$cookie]);
318 common_set_returnto(common_local_url($action, $rargs));
320 common_redirect(common_local_url('login'));
324 $action_class = ucfirst($action).'Action';
326 if (!class_exists($action_class)) {
327 $cac = new ClientErrorAction(_('Unknown action'), 404);
330 $action_obj = new $action_class();
332 checkMirror($action_obj, $args);
335 if ($action_obj->prepare($args)) {
336 $action_obj->handle($args);
338 } catch (ClientException $cex) {
339 $cac = new ClientErrorAction($cex->getMessage(), $cex->getCode());
341 } catch (ServerException $sex) { // snort snort guffaw
342 $sac = new ServerErrorAction($sex->getMessage(), $sex->getCode(), $sex);
344 } catch (Exception $ex) {
345 $sac = new ServerErrorAction($ex->getMessage(), 500, $ex);
353 // XXX: cleanup exit() calls or add an exit handler so
354 // this always gets called
356 Event::handle('CleanupPlugin');