Return HTTP 500 on configuration error
[gitphp.git] / index.php
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<?php
/**
 * GitPHP
 *
 * Index
 *
 * @author Christopher Han <xiphux@gmail.com>
 * @copyright Copyright (c) 2010 Christopher Han
 * @package GitPHP
 */
 
define('GITPHP_START_TIME', microtime(true));
define('GITPHP_START_MEM', memory_get_usage());
 
/**
 * Define some paths
 */
define('GITPHP_BASEDIR', dirname(__FILE__) . '/');
define('GITPHP_CONFIGDIR', GITPHP_BASEDIR . 'config/');
define('GITPHP_INCLUDEDIR', GITPHP_BASEDIR . 'include/');
define('GITPHP_GITOBJECTDIR', GITPHP_INCLUDEDIR . 'git/');
define('GITPHP_CONTROLLERDIR', GITPHP_INCLUDEDIR . 'controller/');
define('GITPHP_LOCALEDIR', GITPHP_BASEDIR . 'locale/');
 
include_once(GITPHP_INCLUDEDIR . 'version.php');
 
require_once(GITPHP_INCLUDEDIR . 'Config.class.php');
 
require_once(GITPHP_INCLUDEDIR . 'Resource.class.php');
 
require_once(GITPHP_INCLUDEDIR . 'Log.class.php');
 
require_once(GITPHP_GITOBJECTDIR . 'ProjectList.class.php');
 
require_once(GITPHP_INCLUDEDIR . 'MessageException.class.php');
 
require_once(GITPHP_CONTROLLERDIR . 'Controller.class.php');
 
date_default_timezone_set('UTC');
 
 
/*
 * Set the locale based on the user's preference
 */
if ((!isset($_COOKIE[GITPHP_LOCALE_COOKIE])) || empty($_COOKIE[GITPHP_LOCALE_COOKIE])) {
 
        /*
         * User's first time here, try by HTTP_ACCEPT_LANGUAGE
         */
        if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
                $httpAcceptLang = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
                $preferredLocale = GitPHP_Resource::FindPreferredLocale($_SERVER['HTTP_ACCEPT_LANGUAGE']);
                if (!empty($preferredLocale)) {
                        setcookie(GITPHP_LOCALE_COOKIE, $preferredLocale);
                        GitPHP_Resource::Instantiate($preferredLocale);
                }
        }
 
        if (!GitPHP_Resource::Instantiated()) {
                /*
                 * Create a dummy cookie to prevent browser delay
                 */
                setcookie(GITPHP_LOCALE_COOKIE, 0);
        }
 
} else if (isset($_GET['l']) && !empty($_GET['l'])) {
 
        /*
         * User picked something
         */
        setcookie(GITPHP_LOCALE_COOKIE, $_GET['l']);
        GitPHP_Resource::Instantiate($_GET['l']);
 
} else if (isset($_COOKIE[GITPHP_LOCALE_COOKIE]) && !empty($_COOKIE[GITPHP_LOCALE_COOKIE])) {
 
        /*
         * Returning visitor with a preference
         */
        GitPHP_Resource::Instantiate($_COOKIE[GITPHP_LOCALE_COOKIE]);
 
}
 
 
try {
 
        // Define these here because these get used in the config file
        define('GITPHP_COMPRESS_BZ2', 1);
        define('GITPHP_COMPRESS_GZ', 2);
        define('GITPHP_COMPRESS_ZIP', 3);
 
        /*
         * Configuration
         */
        GitPHP_Config::GetInstance()->LoadConfig(GITPHP_CONFIGDIR . 'gitphp.conf.php');
 
        /*
         * Use the default language in the config if user has no preference
         * with en_US as the fallback
         */
        if (!GitPHP_Resource::Instantiated()) {
                GitPHP_Resource::Instantiate(GitPHP_Config::GetInstance()->GetValue('locale', 'en_US'));
        }
 
        /*
         * Debug
         */
        if (GitPHP_Log::GetInstance()->GetEnabled()) {
                GitPHP_Log::GetInstance()->SetStartTime(GITPHP_START_TIME);
                GitPHP_Log::GetInstance()->SetStartMemory(GITPHP_START_MEM);
        }
 
        if (!GitPHP_Config::GetInstance()->GetValue('projectroot', null)) {
                throw new GitPHP_MessageException(__('A projectroot must be set in the config'), true);
        }
 
        /*
         * Project list
         */
        if (file_exists(GITPHP_CONFIGDIR . 'projects.conf.php')) {
                GitPHP_ProjectList::Instantiate(GITPHP_CONFIGDIR . 'projects.conf.php', false);
        } else {
                GitPHP_ProjectList::Instantiate(GITPHP_CONFIGDIR . 'gitphp.conf.php', true);
        }
 
        $controller = GitPHP_Controller::GetController((isset($_GET['a']) ? $_GET['a'] : null));
        if ($controller) {
                $controller->RenderHeaders();
                $controller->Render();
        }
 
} catch (Exception $e) {
 
        if (GitPHP_Config::GetInstance()->GetValue('debug', false)) {
                throw $e;
        }
 
        if (!GitPHP_Resource::Instantiated()) {
                /*
                 * In case an error was thrown before instantiating
                 * the resource manager
                 */
                GitPHP_Resource::Instantiate('en_US');
        }
 
        require_once(GITPHP_CONTROLLERDIR . 'Controller_Message.class.php');
        $controller = new GitPHP_Controller_Message();
        $controller->SetParam('message', $e->getMessage());
        if ($e instanceof GitPHP_MessageException) {
                $controller->SetParam('error', $e->Error);
                $controller->SetParam('statuscode', $e->StatusCode);
        } else {
                $controller->SetParam('error', true);
        }
        $controller->RenderHeaders();
        $controller->Render();
 
}
 
if (GitPHP_Log::GetInstance()->GetEnabled()) {
        $entries = GitPHP_Log::GetInstance()->GetEntries();
        foreach ($entries as $logline) {
                echo "\n" . $logline;
        }
}
 
?>
 
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