forked from GNUsocial/gnu-social
2a5ba1f74b
_flow_ reported on IRC that install.php had stopped working. This was because default plugins had been put into two separate lists, and the list with AuthCrypt was never loaded when performing an installation. Core plugins cannot be disabled. I also removed the Memcache autodetection thing since it should be solved in a more elegant manner.
659 lines
22 KiB
PHP
659 lines
22 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2009-2010, 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 Installation
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* @package Installation
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*
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* @author Adrian Lang <mail@adrianlang.de>
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* @author Brenda Wallace <shiny@cpan.org>
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* @author Brett Taylor <brett@webfroot.co.nz>
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* @author Brion Vibber <brion@pobox.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 Eric Helgeson <helfire@Erics-MBP.local>
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* @author Evan Prodromou <evan@status.net>
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* @author Mikael Nordfeldth <mmn@hethane.se>
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* @author Robin Millette <millette@controlyourself.ca>
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* @author Sarven Capadisli <csarven@status.net>
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* @author Tom Adams <tom@holizz.com>
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* @author Zach Copley <zach@status.net>
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* @copyright 2009-2010 StatusNet, Inc http://status.net
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* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
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* @license GNU Affero General Public License http://www.gnu.org/licenses/
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* @version 1.0.x
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* @link http://status.net
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*/
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abstract class Installer
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{
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/** Web site info */
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public $sitename, $server, $path, $fancy, $siteProfile, $ssl;
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/** DB info */
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public $host, $database, $dbtype, $username, $password, $db;
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/** Administrator info */
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public $adminNick, $adminPass, $adminEmail, $adminUpdates;
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/** Should we skip writing the configuration file? */
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public $skipConfig = false;
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public static $dbModules = array(
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'mysql' => array(
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'name' => 'MySQL',
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'check_module' => 'mysqli',
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'scheme' => 'mysqli', // DSN prefix for PEAR::DB
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),
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'pgsql' => array(
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'name' => 'PostgreSQL',
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'check_module' => 'pgsql',
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'scheme' => 'pgsql', // DSN prefix for PEAR::DB
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),
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);
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/**
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* Attempt to include a PHP file and report if it worked, while
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* suppressing the annoying warning messages on failure.
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*/
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private function haveIncludeFile($filename) {
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$old = error_reporting(error_reporting() & ~E_WARNING);
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$ok = include_once($filename);
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error_reporting($old);
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return $ok;
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}
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/**
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* Check if all is ready for installation
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*
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* @return void
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*/
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function checkPrereqs()
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{
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$pass = true;
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$config = INSTALLDIR.'/config.php';
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if (file_exists($config)) {
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if (!is_writable($config) || filesize($config) > 0) {
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if (filesize($config) == 0) {
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$this->warning('Config file "config.php" already exists and is empty, but is not writable.');
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} else {
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$this->warning('Config file "config.php" already exists.');
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}
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$pass = false;
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}
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}
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if (version_compare(PHP_VERSION, '5.2.3', '<')) {
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$this->warning('Require PHP version 5.2.3 or greater.');
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$pass = false;
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}
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// Look for known library bugs
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$str = "abcdefghijklmnopqrstuvwxyz";
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$replaced = preg_replace('/[\p{Cc}\p{Cs}]/u', '*', $str);
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if ($str != $replaced) {
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$this->warning('PHP is linked to a version of the PCRE library ' .
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'that does not support Unicode properties. ' .
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'If you are running Red Hat Enterprise Linux / ' .
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'CentOS 5.4 or earlier, see <a href="' .
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'http://status.net/wiki/Red_Hat_Enterprise_Linux#PCRE_library' .
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'">our documentation page</a> on fixing this.');
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$pass = false;
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}
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$reqs = array('gd', 'curl',
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'xmlwriter', 'mbstring', 'xml', 'dom', 'simplexml');
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foreach ($reqs as $req) {
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if (!$this->checkExtension($req)) {
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$this->warning(sprintf('Cannot load required extension: <code>%s</code>', $req));
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$pass = false;
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}
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}
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// Make sure we have at least one database module available
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$missingExtensions = array();
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foreach (self::$dbModules as $type => $info) {
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if (!$this->checkExtension($info['check_module'])) {
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$missingExtensions[] = $info['check_module'];
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}
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}
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if (count($missingExtensions) == count(self::$dbModules)) {
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$req = implode(', ', $missingExtensions);
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$this->warning(sprintf('Cannot find a database extension. You need at least one of %s.', $req));
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$pass = false;
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}
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// @fixme this check seems to be insufficient with Windows ACLs
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if (!is_writable(INSTALLDIR)) {
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$this->warning(sprintf('Cannot write config file to: <code>%s</code></p>', INSTALLDIR),
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sprintf('On your server, try this command: <code>chmod a+w %s</code>', INSTALLDIR));
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$pass = false;
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}
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// Check the subdirs used for file uploads
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$fileSubdirs = array('avatar', 'background', 'file');
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foreach ($fileSubdirs as $fileSubdir) {
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$fileFullPath = INSTALLDIR."/$fileSubdir/";
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if (!is_writable($fileFullPath)) {
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$this->warning(sprintf('Cannot write to %s directory: <code>%s</code>', $fileSubdir, $fileFullPath),
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sprintf('On your server, try this command: <code>chmod a+w %s</code>', $fileFullPath));
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$pass = false;
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}
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}
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return $pass;
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}
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/**
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* Checks if a php extension is both installed and loaded
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*
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* @param string $name of extension to check
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*
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* @return boolean whether extension is installed and loaded
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*/
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function checkExtension($name)
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{
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if (extension_loaded($name)) {
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return true;
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} elseif (function_exists('dl') && ini_get('enable_dl') && !ini_get('safe_mode')) {
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// dl will throw a fatal error if it's disabled or we're in safe mode.
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// More fun, it may not even exist under some SAPIs in 5.3.0 or later...
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$soname = $name . '.' . PHP_SHLIB_SUFFIX;
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if (PHP_SHLIB_SUFFIX == 'dll') {
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$soname = "php_" . $soname;
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}
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return @dl($soname);
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} else {
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return false;
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}
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}
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/**
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* Basic validation on the database paramters
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* Side effects: error output if not valid
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*
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* @return boolean success
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*/
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function validateDb()
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{
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$fail = false;
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if (empty($this->host)) {
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$this->updateStatus("No hostname specified.", true);
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$fail = true;
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}
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if (empty($this->database)) {
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$this->updateStatus("No database specified.", true);
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$fail = true;
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}
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if (empty($this->username)) {
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$this->updateStatus("No username specified.", true);
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$fail = true;
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}
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if (empty($this->sitename)) {
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$this->updateStatus("No sitename specified.", true);
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$fail = true;
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}
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return !$fail;
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}
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/**
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* Basic validation on the administrator user paramters
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* Side effects: error output if not valid
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*
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* @return boolean success
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*/
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function validateAdmin()
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{
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$fail = false;
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if (empty($this->adminNick)) {
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$this->updateStatus("No initial StatusNet user nickname specified.", true);
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$fail = true;
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}
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if ($this->adminNick && !preg_match('/^[0-9a-z]{1,64}$/', $this->adminNick)) {
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$this->updateStatus('The user nickname "' . htmlspecialchars($this->adminNick) .
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'" is invalid; should be plain letters and numbers no longer than 64 characters.', true);
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$fail = true;
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}
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// @fixme hardcoded list; should use Nickname::isValid()
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// if/when it's safe to have loaded the infrastructure here
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$blacklist = array('main', 'panel', 'twitter', 'settings', 'rsd.xml', 'favorited', 'featured', 'favoritedrss', 'featuredrss', 'rss', 'getfile', 'api', 'groups', 'group', 'peopletag', 'tag', 'user', 'message', 'conversation', 'bookmarklet', 'notice', 'attachment', 'search', 'index.php', 'doc', 'opensearch', 'robots.txt', 'xd_receiver.html', 'facebook');
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if (in_array($this->adminNick, $blacklist)) {
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$this->updateStatus('The user nickname "' . htmlspecialchars($this->adminNick) .
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'" is reserved.', true);
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$fail = true;
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}
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if (empty($this->adminPass)) {
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$this->updateStatus("No initial StatusNet user password specified.", true);
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$fail = true;
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}
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return !$fail;
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}
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/**
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* Make sure a site profile was selected
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*
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* @return type boolean success
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*/
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function validateSiteProfile()
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{
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$fail = false;
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$sprofile = $this->siteProfile;
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if (empty($sprofile)) {
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$this->updateStatus("No site profile selected.", true);
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$fail = true;
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}
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return !$fail;
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}
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/**
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* Set up the database with the appropriate function for the selected type...
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* Saves database info into $this->db.
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*
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* @fixme escape things in the connection string in case we have a funny pass etc
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* @return mixed array of database connection params on success, false on failure
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*/
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function setupDatabase()
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{
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if ($this->db) {
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throw new Exception("Bad order of operations: DB already set up.");
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}
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$this->updateStatus("Starting installation...");
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if (empty($this->password)) {
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$auth = '';
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} else {
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$auth = ":$this->password";
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}
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$scheme = self::$dbModules[$this->dbtype]['scheme'];
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$dsn = "{$scheme}://{$this->username}{$auth}@{$this->host}/{$this->database}";
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$this->updateStatus("Checking database...");
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$conn = $this->connectDatabase($dsn);
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// ensure database encoding is UTF8
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if ($this->dbtype == 'mysql') {
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// @fixme utf8m4 support for mysql 5.5?
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// Force the comms charset to utf8 for sanity
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// This doesn't currently work. :P
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//$conn->executes('set names utf8');
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} else if ($this->dbtype == 'pgsql') {
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$record = $conn->getRow('SHOW server_encoding');
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if ($record->server_encoding != 'UTF8') {
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$this->updateStatus("StatusNet requires UTF8 character encoding. Your database is ". htmlentities($record->server_encoding));
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return false;
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}
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}
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$res = $this->updateStatus("Creating database tables...");
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if (!$this->createCoreTables($conn)) {
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$this->updateStatus("Error creating tables.", true);
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return false;
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}
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foreach (array('sms_carrier' => 'SMS carrier',
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'notice_source' => 'notice source',
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'foreign_services' => 'foreign service')
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as $scr => $name) {
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$this->updateStatus(sprintf("Adding %s data to database...", $name));
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$res = $this->runDbScript($scr.'.sql', $conn);
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if ($res === false) {
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$this->updateStatus(sprintf("Can't run %s script.", $name), true);
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return false;
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}
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}
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$db = array('type' => $this->dbtype, 'database' => $dsn);
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return $db;
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}
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/**
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* Open a connection to the database.
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*
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* @param <type> $dsn
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* @return <type>
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*/
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function connectDatabase($dsn)
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{
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global $_DB;
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return $_DB->connect($dsn);
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}
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/**
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* Create core tables on the given database connection.
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*
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* @param DB_common $conn
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*/
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function createCoreTables(DB_common $conn)
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{
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$schema = Schema::get($conn);
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$tableDefs = $this->getCoreSchema();
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foreach ($tableDefs as $name => $def) {
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if (defined('DEBUG_INSTALLER')) {
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echo " $name ";
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}
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$schema->ensureTable($name, $def);
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}
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return true;
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}
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/**
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* Fetch the core table schema definitions.
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*
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* @return array of table names => table def arrays
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*/
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function getCoreSchema()
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{
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$schema = array();
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include INSTALLDIR . '/db/core.php';
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return $schema;
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}
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/**
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* Return a parseable PHP literal for the given value.
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* This will include quotes for strings, etc.
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*
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* @param mixed $val
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* @return string
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*/
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function phpVal($val)
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{
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return var_export($val, true);
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}
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/**
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* Return an array of parseable PHP literal for the given values.
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* These will include quotes for strings, etc.
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*
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* @param mixed $val
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* @return array
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*/
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function phpVals($map)
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{
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return array_map(array($this, 'phpVal'), $map);
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}
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/**
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* Write a stock configuration file.
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*
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* @return boolean success
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*
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* @fixme escape variables in output in case we have funny chars, apostrophes etc
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*/
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function writeConf()
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{
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$vals = $this->phpVals(array(
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'sitename' => $this->sitename,
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'server' => $this->server,
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'path' => $this->path,
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'ssl' => in_array($this->ssl, array('never', 'sometimes', 'always'))
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? $this->ssl
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: 'never',
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'db_database' => $this->db['database'],
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'db_type' => $this->db['type']
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));
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// assemble configuration file in a string
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$cfg = "<?php\n".
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"if (!defined('GNUSOCIAL')) { exit(1); }\n\n".
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// site name
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"\$config['site']['name'] = {$vals['sitename']};\n\n".
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// site location
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"\$config['site']['server'] = {$vals['server']};\n".
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"\$config['site']['path'] = {$vals['path']}; \n\n".
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"\$config['site']['ssl'] = {$vals['ssl']}; \n\n".
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// checks if fancy URLs are enabled
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($this->fancy ? "\$config['site']['fancy'] = true;\n\n":'').
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// database
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"\$config['db']['database'] = {$vals['db_database']};\n\n".
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($this->db['type'] == 'pgsql' ? "\$config['db']['quote_identifiers'] = true;\n\n":'').
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"\$config['db']['type'] = {$vals['db_type']};\n\n";
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// Normalize line endings for Windows servers
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$cfg = str_replace("\n", PHP_EOL, $cfg);
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// write configuration file out to install directory
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$res = file_put_contents(INSTALLDIR.'/config.php', $cfg);
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return $res;
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}
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/**
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* Write the site profile. We do this after creating the initial user
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* in case the site profile is set to single user. This gets around the
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* 'chicken-and-egg' problem of the system requiring a valid user for
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* single user mode, before the intial user is actually created. Yeah,
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* we should probably do this in smarter way.
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*
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* @return int res number of bytes written
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*/
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function writeSiteProfile()
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{
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$vals = $this->phpVals(array(
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'site_profile' => $this->siteProfile,
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'nickname' => $this->adminNick
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));
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$cfg =
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// site profile
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"\$config['site']['profile'] = {$vals['site_profile']};\n";
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if ($this->siteProfile == "singleuser") {
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$cfg .= "\$config['singleuser']['nickname'] = {$vals['nickname']};\n\n";
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} else {
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$cfg .= "\n";
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}
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// Normalize line endings for Windows servers
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$cfg = str_replace("\n", PHP_EOL, $cfg);
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// write configuration file out to install directory
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$res = file_put_contents(INSTALLDIR.'/config.php', $cfg, FILE_APPEND);
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return $res;
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}
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/**
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* Install schema into the database
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*
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* @param string $filename location of database schema file
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* @param DB_common $conn connection to database
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*
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* @return boolean - indicating success or failure
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*/
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function runDbScript($filename, DB_common $conn)
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{
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$sql = trim(file_get_contents(INSTALLDIR . '/db/' . $filename));
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$stmts = explode(';', $sql);
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foreach ($stmts as $stmt) {
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$stmt = trim($stmt);
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if (!mb_strlen($stmt)) {
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continue;
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}
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try {
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$res = $conn->simpleQuery($stmt);
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} catch (Exception $e) {
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$error = $e->getMessage();
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$this->updateStatus("ERROR ($error) for SQL '$stmt'");
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return false;
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}
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}
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return true;
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}
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/**
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* Create the initial admin user account.
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* Side effect: may load portions of StatusNet framework.
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* Side effect: outputs program info
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*/
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function registerInitialUser()
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{
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require_once INSTALLDIR . '/lib/common.php';
|
|
|
|
$data = array('nickname' => $this->adminNick,
|
|
'password' => $this->adminPass,
|
|
'fullname' => $this->adminNick);
|
|
if ($this->adminEmail) {
|
|
$data['email'] = $this->adminEmail;
|
|
}
|
|
$user = User::register($data);
|
|
|
|
if (empty($user)) {
|
|
return false;
|
|
}
|
|
|
|
// give initial user carte blanche
|
|
|
|
$user->grantRole('owner');
|
|
$user->grantRole('moderator');
|
|
$user->grantRole('administrator');
|
|
|
|
// Attempt to do a remote subscribe to update@status.net
|
|
// Will fail if instance is on a private network.
|
|
|
|
if ($this->adminUpdates && class_exists('Ostatus_profile')) {
|
|
try {
|
|
$oprofile = Ostatus_profile::ensureProfileURL('http://update.status.net/');
|
|
Subscription::start($user->getProfile(), $oprofile->localProfile());
|
|
$this->updateStatus("Set up subscription to <a href='http://update.status.net/'>update@status.net</a>.");
|
|
} catch (Exception $e) {
|
|
$this->updateStatus("Could not set up subscription to <a href='http://update.status.net/'>update@status.net</a>.", true);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* The beef of the installer!
|
|
* Create database, config file, and admin user.
|
|
*
|
|
* Prerequisites: validation of input data.
|
|
*
|
|
* @return boolean success
|
|
*/
|
|
function doInstall()
|
|
{
|
|
$this->updateStatus("Initializing...");
|
|
ini_set('display_errors', 1);
|
|
error_reporting(E_ALL);
|
|
if (!defined('GNUSOCIAL')) {
|
|
define('GNUSOCIAL', true);
|
|
}
|
|
if (!defined('STATUSNET')) {
|
|
define('STATUSNET', true);
|
|
}
|
|
require_once INSTALLDIR . '/lib/framework.php';
|
|
StatusNet::initDefaults($this->server, $this->path);
|
|
|
|
try {
|
|
$this->db = $this->setupDatabase();
|
|
if (!$this->db) {
|
|
// database connection failed, do not move on to create config file.
|
|
return false;
|
|
}
|
|
} catch (Exception $e) {
|
|
// Lower-level DB error!
|
|
$this->updateStatus("Database error: " . $e->getMessage(), true);
|
|
return false;
|
|
}
|
|
|
|
// Make sure we can write to the file twice
|
|
$oldUmask = umask(000);
|
|
|
|
if (!$this->skipConfig) {
|
|
$this->updateStatus("Writing config file...");
|
|
$res = $this->writeConf();
|
|
|
|
if (!$res) {
|
|
$this->updateStatus("Can't write config file.", true);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!empty($this->adminNick)) {
|
|
// Okay, cross fingers and try to register an initial user
|
|
if ($this->registerInitialUser()) {
|
|
$this->updateStatus(
|
|
"An initial user with the administrator role has been created."
|
|
);
|
|
} else {
|
|
$this->updateStatus(
|
|
"Could not create initial GNU social user.",
|
|
true
|
|
);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!$this->skipConfig) {
|
|
$this->updateStatus("Setting site profile...");
|
|
$res = $this->writeSiteProfile();
|
|
|
|
if (!$res) {
|
|
$this->updateStatus("Can't write to config file.", true);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Restore original umask
|
|
umask($oldUmask);
|
|
// Set permissions back to something decent
|
|
chmod(INSTALLDIR.'/config.php', 0644);
|
|
|
|
$scheme = $this->ssl === 'always' ? 'https' : 'http';
|
|
$link = "{$scheme}://{$this->server}/{$this->path}";
|
|
|
|
$this->updateStatus("StatusNet has been installed at $link");
|
|
$this->updateStatus(
|
|
"<strong>DONE!</strong> You can visit your <a href='$link'>new StatusNet site</a> (login as '$this->adminNick'). If this is your first StatusNet install, you may want to poke around our <a href='http://status.net/wiki/Getting_started'>Getting Started guide</a>."
|
|
);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Output a pre-install-time warning message
|
|
* @param string $message HTML ok, but should be plaintext-able
|
|
* @param string $submessage HTML ok, but should be plaintext-able
|
|
*/
|
|
abstract function warning($message, $submessage='');
|
|
|
|
/**
|
|
* Output an install-time progress message
|
|
* @param string $message HTML ok, but should be plaintext-able
|
|
* @param boolean $error true if this should be marked as an error condition
|
|
*/
|
|
abstract function updateStatus($status, $error=false);
|
|
|
|
}
|