318 lines
9.6 KiB
PHP
318 lines
9.6 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, StatusNet, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category StatusNet
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* @package StatusNet
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* @author Brenda Wallace <shiny@cpan.org>
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* @author Christopher Vollick <psycotica0@gmail.com>
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* @author CiaranG <ciaran@ciarang.com>
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* @author Craig Andrews <candrews@integralblue.com>
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* @author Evan Prodromou <evan@controlezvous.ca>
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* @author Gina Haeussge <osd@foosel.net>
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* @author Jeffery To <jeffery.to@gmail.com>
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* @author Mike Cochrane <mikec@mikenz.geek.nz>
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* @author Robin Millette <millette@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @author Tom Adams <tom@holizz.com>
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*
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* @license GNU Affero General Public License http://www.gnu.org/licenses/
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*/
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define('INSTALLDIR', dirname(__FILE__));
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define('STATUSNET', true);
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define('LACONICA', true); // compatibility
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require_once INSTALLDIR . '/lib/common.php';
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$user = null;
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$action = null;
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function getPath($req)
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{
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if ((common_config('site', 'fancy') || !array_key_exists('PATH_INFO', $_SERVER))
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&& array_key_exists('p', $req)
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) {
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return $req['p'];
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} else if (array_key_exists('PATH_INFO', $_SERVER)) {
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$path = $_SERVER['PATH_INFO'];
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$script = $_SERVER['SCRIPT_NAME'];
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if (substr($path, 0, mb_strlen($script)) == $script) {
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return substr($path, mb_strlen($script));
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} else {
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return $path;
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}
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} else {
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return null;
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}
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}
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/**
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* logs and then displays error messages
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*
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* @return void
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*/
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function handleError($error)
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{
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if ($error->getCode() == DB_DATAOBJECT_ERROR_NODATA) {
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return;
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}
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$logmsg = "PEAR error: " . $error->getMessage();
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if (common_config('site', 'logdebug')) {
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$logmsg .= " : ". $error->getDebugInfo();
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}
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// DB queries often end up with a lot of newlines; merge to a single line
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// for easier grepability...
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$logmsg = str_replace("\n", " ", $logmsg);
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common_log(LOG_ERR, $logmsg);
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// @fixme backtrace output should be consistent with exception handling
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if (common_config('site', 'logdebug')) {
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$bt = $error->getBacktrace();
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foreach ($bt as $n => $line) {
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common_log(LOG_ERR, formatBacktraceLine($n, $line));
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}
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}
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if ($error instanceof DB_DataObject_Error
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|| $error instanceof DB_Error
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) {
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$msg = sprintf(
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_(
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'The database for %s isn\'t responding correctly, '.
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'so the site won\'t work properly. '.
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'The site admins probably know about the problem, '.
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'but you can contact them at %s to make sure. '.
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'Otherwise, wait a few minutes and try again.'
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),
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common_config('site', 'name'),
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common_config('site', 'email')
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);
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} else {
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$msg = _(
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'An important error occured, probably related to email setup. '.
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'Check logfiles for more info..'
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);
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}
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$dac = new DBErrorAction($msg, 500);
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$dac->showPage();
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exit(-1);
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}
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/**
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* Format a backtrace line for debug output roughly like debug_print_backtrace() does.
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* Exceptions already have this built in, but PEAR error objects just give us the array.
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*
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* @param int $n line number
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* @param array $line per-frame array item from debug_backtrace()
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* @return string
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*/
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function formatBacktraceLine($n, $line)
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{
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$out = "#$n ";
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if (isset($line['class'])) $out .= $line['class'];
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if (isset($line['type'])) $out .= $line['type'];
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if (isset($line['function'])) $out .= $line['function'];
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$out .= '(';
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if (isset($line['args'])) {
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$args = array();
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foreach ($line['args'] as $arg) {
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// debug_print_backtrace seems to use var_export
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// but this gets *very* verbose!
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$args[] = gettype($arg);
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}
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$out .= implode(',', $args);
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}
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$out .= ')';
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$out .= ' called at [';
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if (isset($line['file'])) $out .= $line['file'];
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if (isset($line['line'])) $out .= ':' . $line['line'];
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$out .= ']';
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return $out;
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}
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function checkMirror($action_obj, $args)
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{
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global $config;
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static $alwaysRW = array('session', 'remember_me');
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if (common_config('db', 'mirror') && $action_obj->isReadOnly($args)) {
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if (is_array(common_config('db', 'mirror'))) {
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// "load balancing", ha ha
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$arr = common_config('db', 'mirror');
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$k = array_rand($arr);
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$mirror = $arr[$k];
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} else {
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$mirror = common_config('db', 'mirror');
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}
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// We ensure that these tables always are used
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// on the master DB
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$config['db']['database_rw'] = $config['db']['database'];
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$config['db']['ini_rw'] = INSTALLDIR.'/classes/statusnet.ini';
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foreach ($alwaysRW as $table) {
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$config['db']['table_'.$table] = 'rw';
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}
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// everyone else uses the mirror
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$config['db']['database'] = $mirror;
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}
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}
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function isLoginAction($action)
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{
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static $loginActions = array('login', 'recoverpassword', 'api', 'doc', 'register', 'publicxrds');
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$login = null;
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if (Event::handle('LoginAction', array($action, &$login))) {
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$login = in_array($action, $loginActions);
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}
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return $login;
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}
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function main()
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{
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// fake HTTP redirects using lighttpd's 404 redirects
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if (strpos($_SERVER['SERVER_SOFTWARE'], 'lighttpd') !== false) {
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$_lighty_url = $base_url.$_SERVER['REQUEST_URI'];
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$_lighty_url = @parse_url($_lighty_url);
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if ($_lighty_url['path'] != '/index.php' && $_lighty_url['path'] != '/') {
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$_lighty_path = preg_replace('/^'.preg_quote(common_config('site', 'path')).'\//', '', substr($_lighty_url['path'], 1));
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$_SERVER['QUERY_STRING'] = 'p='.$_lighty_path;
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if ($_lighty_url['query']) {
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$_SERVER['QUERY_STRING'] .= '&'.$_lighty_url['query'];
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}
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parse_str($_lighty_url['query'], $_lighty_query);
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foreach ($_lighty_query as $key => $val) {
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$_GET[$key] = $_REQUEST[$key] = $val;
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}
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$_GET['p'] = $_REQUEST['p'] = $_lighty_path;
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}
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}
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$_SERVER['REDIRECT_URL'] = preg_replace("/\?.+$/", "", $_SERVER['REQUEST_URI']);
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// quick check for fancy URL auto-detection support in installer.
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if (isset($_SERVER['REDIRECT_URL']) && (preg_replace("/^\/$/", "", (dirname($_SERVER['REQUEST_URI']))) . '/check-fancy') === $_SERVER['REDIRECT_URL']) {
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die("Fancy URL support detection succeeded. We suggest you enable this to get fancy (pretty) URLs.");
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}
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global $user, $action;
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Snapshot::check();
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if (!_have_config()) {
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$msg = sprintf(
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_(
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"No configuration file found. Try running ".
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"the installation program first."
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)
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);
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$sac = new ServerErrorAction($msg);
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$sac->showPage();
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return;
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}
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// For database errors
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PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'handleError');
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// XXX: we need a little more structure in this script
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// get and cache current user
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$user = common_current_user();
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// initialize language env
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common_init_language();
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$path = getPath($_REQUEST);
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$r = Router::get();
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$args = $r->map($path);
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if (!$args) {
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$cac = new ClientErrorAction(_('Unknown page'), 404);
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$cac->showPage();
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return;
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}
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$args = array_merge($args, $_REQUEST);
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Event::handle('ArgsInitialize', array(&$args));
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$action = $args['action'];
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if (!$action || !preg_match('/^[a-zA-Z0-9_-]*$/', $action)) {
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common_redirect(common_local_url('public'));
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return;
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}
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// If the site is private, and they're not on one of the "public"
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// parts of the site, redirect to login
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if (!$user && common_config('site', 'private')
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&& !isLoginAction($action)
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&& !preg_match('/rss$/', $action)
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&& !preg_match('/^Api/', $action)
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) {
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common_redirect(common_local_url('login'));
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return;
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}
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$action_class = ucfirst($action).'Action';
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if (!class_exists($action_class)) {
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$cac = new ClientErrorAction(_('Unknown action'), 404);
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$cac->showPage();
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} else {
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$action_obj = new $action_class();
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checkMirror($action_obj, $args);
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try {
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if ($action_obj->prepare($args)) {
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$action_obj->handle($args);
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}
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} catch (ClientException $cex) {
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$cac = new ClientErrorAction($cex->getMessage(), $cex->getCode());
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$cac->showPage();
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} catch (ServerException $sex) { // snort snort guffaw
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$sac = new ServerErrorAction($sex->getMessage(), $sex->getCode());
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$sac->showPage();
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} catch (Exception $ex) {
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$sac = new ServerErrorAction($ex->getMessage());
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$sac->showPage();
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}
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}
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}
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main();
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// XXX: cleanup exit() calls or add an exit handler so
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// this always gets called
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Event::handle('CleanupPlugin');
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