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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category StatusNet
* @package StatusNet
* @author Brenda Wallace <shiny@cpan.org>
* @author Brion Vibber <brion@pobox.com>
* @author Christopher Vollick <psycotica0@gmail.com>
* @author CiaranG <ciaran@ciarang.com>
* @author Craig Andrews <candrews@integralblue.com>
* @author Evan Prodromou <evan@controlezvous.ca>
* @author Gina Haeussge <osd@foosel.net>
* @author James Walker <walkah@walkah.net>
* @author Jeffery To <jeffery.to@gmail.com>
* @author Mike Cochrane <mikec@mikenz.geek.nz>
* @author Robin Millette <millette@controlyourself.ca>
* @author Sarven Capadisli <csarven@controlyourself.ca>
* @author Tom Adams <tom@holizz.com>
* @author Zach Copley <zach@status.net>
* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
*
* @license GNU Affero General Public License http://www.gnu.org/licenses/
*/
define('INSTALLDIR', dirname(__FILE__));
define('GNUSOCIAL', true);
define('STATUSNET', true);
define('LACONICA', true); // compatibility
function getPath($req)
{
if ((common_config('site', 'fancy') || !array_key_exists('PATH_INFO', $_SERVER))
&& array_key_exists('p', $req)
) {
return $req['p'];
} else if (array_key_exists('PATH_INFO', $_SERVER)) {
$path = $_SERVER['PATH_INFO'];
$script = $_SERVER['SCRIPT_NAME'];
if (substr($path, 0, mb_strlen($script)) == $script) {
return substr($path, mb_strlen($script));
} else {
return $path;
}
} else {
return null;
}
}
/**
* logs and then displays error messages
*
* @return void
*/
function handleError($error)
{
try {
if ($error->getCode() == DB_DATAOBJECT_ERROR_NODATA) {
return;
}
$logmsg = "PEAR error: " . $error->getMessage();
if ($error instanceof PEAR_Exception && common_config('site', 'logdebug')) {
$logmsg .= " : ". $error->toText();
}
// DB queries often end up with a lot of newlines; merge to a single line
// for easier grepability...
$logmsg = str_replace("\n", " ", $logmsg);
common_log(LOG_ERR, $logmsg);
// @fixme backtrace output should be consistent with exception handling
if (common_config('site', 'logdebug')) {
$bt = $error->getTrace();
foreach ($bt as $n => $line) {
common_log(LOG_ERR, formatBacktraceLine($n, $line));
}
}
if ($error instanceof DB_DataObject_Error
|| $error instanceof DB_Error
|| ($error instanceof PEAR_Exception && $error->getCode() == -24)
) {
//If we run into a DB error, assume we can't connect to the DB at all
//so set the current user to null, so we don't try to access the DB
//while rendering the error page.
global $_cur;
$_cur = null;
$msg = sprintf(
_(
'The database for %s isn\'t responding correctly, '.
'so the site won\'t work properly. '.
'The site admins probably know about the problem, '.
'but you can contact them at %s to make sure. '.
'Otherwise, wait a few minutes and try again.'
),
common_config('site', 'name'),
common_config('site', 'email')
);
} else {
$msg = _(
'An important error occured, probably related to email setup. '.
'Check logfiles for more info..'
);
}
$dac = new DBErrorAction($msg, 500);
$dac->showPage();
} catch (Exception $e) {
echo _('An error occurred.');
}
exit(-1);
}
set_exception_handler('handleError');
require_once INSTALLDIR . '/lib/common.php';
/**
* Format a backtrace line for debug output roughly like debug_print_backtrace() does.
* Exceptions already have this built in, but PEAR error objects just give us the array.
*
* @param int $n line number
* @param array $line per-frame array item from debug_backtrace()
* @return string
*/
function formatBacktraceLine($n, $line)
{
$out = "#$n ";
if (isset($line['class'])) $out .= $line['class'];
if (isset($line['type'])) $out .= $line['type'];
if (isset($line['function'])) $out .= $line['function'];
$out .= '(';
if (isset($line['args'])) {
$args = array();
foreach ($line['args'] as $arg) {
// debug_print_backtrace seems to use var_export
// but this gets *very* verbose!
$args[] = gettype($arg);
}
$out .= implode(',', $args);
}
$out .= ')';
$out .= ' called at [';
if (isset($line['file'])) $out .= $line['file'];
if (isset($line['line'])) $out .= ':' . $line['line'];
$out .= ']';
return $out;
}
function setupRW()
{
global $config;
static $alwaysRW = array('session', 'remember_me');
// We ensure that these tables always are used
// on the master DB
$config['db']['database_rw'] = $config['db']['database'];
$config['db']['ini_rw'] = INSTALLDIR.'/classes/statusnet.ini';
foreach ($alwaysRW as $table) {
$config['db']['table_'.$table] = 'rw';
}
}
function checkMirror($action_obj, $args)
{
global $config;
if (common_config('db', 'mirror') && $action_obj->isReadOnly($args)) {
if (is_array(common_config('db', 'mirror'))) {
// "load balancing", ha ha
$arr = common_config('db', 'mirror');
$k = array_rand($arr);
$mirror = $arr[$k];
} else {
$mirror = common_config('db', 'mirror');
}
// everyone else uses the mirror
$config['db']['database'] = $mirror;
}
}
function isLoginAction($action)
{
static $loginActions = array('login', 'recoverpassword', 'api', 'doc', 'register', 'publicxrds', 'otp', 'opensearch', 'rsd');
$login = null;
if (Event::handle('LoginAction', array($action, &$login))) {
$login = in_array($action, $loginActions);
}
return $login;
}
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