Code:
<?php
/**
* ownCloud setup wizard
*
* @author Frank Karlitschek
* @copyright 2012 Frank Karlitschek frank@owncloud.org
* @author Lukas Reschke
* @copyright 2013-2015 Lukas Reschke lukas@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* Please copy this file into your webserver root and open it with a browser. The setup wizard checks the dependency, downloads the newest ownCloud version, unpacks it and redirects to the ownCloud first run wizard.
*/
// init
ob_start();
error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE);
ini_set('display_errors', 1);
@set_time_limit(0);
/**
* Setup class with a few helper functions
*/
class Setup {
private static $requirements = array(
array(
'classes' => array(
'ZipArchive' => 'zip',
'DOMDocument' => 'dom',
'XMLWriter' => 'XMLWriter'
),
'functions' => array(
'xml_parser_create' => 'libxml',
'mb_detect_encoding' => 'mb multibyte',
'ctype_digit' => 'ctype',
'json_encode' => 'JSON',
'gd_info' => 'GD',
'gzencode' => 'zlib',
'iconv' => 'iconv',
'simplexml_load_string' => 'SimpleXML',
'hash' => 'HASH Message Digest Framework',
'curl_init' => 'curl',
),
'defined' => array(
'PDO::ATTR_DRIVER_NAME' => 'PDO'
),
)
);
/**
* Checks if all the ownCloud dependencies are installed
* @return string with error messages
*/
static public function checkDependencies() {
$error = '';
$missingDependencies = array();
// do we have PHP 5.4.0 or newer?
if(version_compare(PHP_VERSION, '5.4.0', '<')) {
$error.='PHP 5.4.0 is required. Please ask your server administrator to update PHP to version 5.4.0 or higher.<br/>';
}
// running oC on windows is unsupported since 8.1
if(substr(PHP_OS, 0, 3) === "WIN") {
$error.='ownCloud Server does not support Microsoft Windows.<br/>';
}
foreach (self::$requirements[0]['classes'] as $class => $module) {
if (!class_exists($class)) {
$missingDependencies[] = array($module);
}
}
foreach (self::$requirements[0]['functions'] as $function => $module) {
if (!function_exists($function)) {
$missingDependencies[] = array($module);
}
}
foreach (self::$requirements[0]['defined'] as $defined => $module) {
if (!defined($defined)) {
$missingDependencies[] = array($module);
}
}
if(!empty($missingDependencies)) {
$error .= 'The following PHP modules are required to use ownCloud:<br/>';
}
foreach($missingDependencies as $missingDependency) {
$error .= '<li>'.$missingDependency[0].'</li>';
}
if(!empty($missingDependencies)) {
$error .= '</ul><p style="text-align:center">Please contact your server administrator to install the missing modules.</p>';
}
// do we have write permission?
if(!is_writable('.')) {
$error.='Can\'t write to the current directory. Please fix this by giving the webserver user write access to the directory.<br/>';
}
return($error);
}
/**
* Check the cURL version
* @return bool status of CURLOPT_CERTINFO implementation
*/
static public function isCertInfoAvailable() {
$curlDetails = curl_version();
return version_compare($curlDetails['version'], '7.19.1') != -1;
}
/**
* Performs the ownCloud install.
* @return string with error messages
*/
static public function install() {
$error = '';
$directory = $_GET['directory'];
// Test if folder already exists
if(file_exists('./'.$directory.'/status.php')) {
return 'The selected folder seems to already contain a ownCloud installation. - You cannot use this script to update existing installations.';
}
// downloading latest release
if (!file_exists('oc.zip')) {
$error .= Setup::getFile('https://download.owncloud.org/download/community/owncloud-latest.zip','oc.zip');
}
// unpacking into owncloud folder
$zip = new ZipArchive;
$res = $zip->open('oc.zip');
if ($res==true) {
// Extract it to the tmp dir
$owncloud_tmp_dir = 'tmp-owncloud'.time();
$zip->extractTo($owncloud_tmp_dir);
$zip->close();
// Move it to the folder
if ($_GET['directory'] === '.') {
foreach (array_diff(scandir($owncloud_tmp_dir.'/owncloud'), array('..', '.')) as $item) {
rename($owncloud_tmp_dir.'/owncloud/'.$item, './'.$item);
}
rmdir($owncloud_tmp_dir.'/owncloud');
} else {
rename($owncloud_tmp_dir.'/owncloud', './'.$directory);
}
// Delete the tmp folder
rmdir($owncloud_tmp_dir);
} else {
$error.='unzip of owncloud source file failed.<br />';
}
// deleting zip file
$result=@unlink('oc.zip');
if($result==false) $error.='deleting of oc.zip failed.<br />';
return($error);
}
/**
* Downloads a file and stores it in the local filesystem
* @param string $url
* @param string$path
* @return string with error messages
*/
static public function getFile($url,$path) {
$error='';
$fp = fopen ($path, 'w+');
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_TIMEOUT, 0);
curl_setopt($ch, CURLOPT_FILE, $fp);
curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
if (Setup::isCertInfoAvailable()){
curl_setopt($ch, CURLOPT_CERTINFO, TRUE);
}
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, TRUE);
$data=curl_exec($ch);
$curlError=curl_error($ch);
curl_close($ch);
fclose($fp);
if($data==false){
$error.='download of ownCloud source file failed.<br />'.$curlError;
}
return($error.$curlError);
}
/**
* Shows the html header of the setup page
*/
static public function showHeader() {
echo('
<!DOCTYPE html>
<html>
<head>
<title>ownCloud Setup</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="icon" type="image/png" href="https://owncloud.org/setupwizard/favicon.png" />
<link rel="stylesheet" href="https://owncloud.org/setupwizard/styles.css" type="text/css" media="screen" />
<style type="text/css">
body {
text-align:center;
font-size:13px;
color:#666;
font-weight:bold;
}
</style>
</head>
<body id="body-login">
');
}
/**
* Shows the html footer of the setup page
*/
static public function showFooter() {
echo('
<footer><p class="info"><a href="https://owncloud.org/">ownCloud</a> – web services under your control</p></footer>
</body>
</html>
');
}
/**
* Shows the html content part of the setup page
* @param string $title
* @param string $content
* @param string $nextpage
*/
static public function showContent($title, $content, $nextpage=''){
echo('
<script>
var validateForm = function(){
if (typeof urlNotExists === "undefined"){
return true;
}
urlNotExists(
window.location.href,
function(){
window.location.assign(document.forms["install"]["directory"].value);
}
);
return false;
}
</script>
<div id="login">
<header><div id="header">
<img src="https://owncloud.org/setupwizard/logo.png" alt="ownCloud" />
</div></header><br />
<p style="text-align:center; font-size:28px; color:#444; font-weight:bold;">'.$title.'</p><br />
<p style="text-align:center; font-size:13px; color:#666; font-weight:bold; ">'.$content.'</p>
<form method="get" name="install" onsubmit="return validateForm();">
<input type="hidden" name="step" value="'.$nextpage.'" />
');
if($nextpage === 2) {
echo ('<p style="padding-left:0.5em; padding-right:0.5em">Enter a single "." to install in the current directory, or enter a subdirectory to install to:</p>
<input type="text" style="margin-left:0; margin-right:0" name="directory" value="owncloud" required="required" />');
}
if($nextpage === 3) {
echo ('<input type="hidden" value="'.$_GET['directory'].'" name="directory" />');
}
if($nextpage<>'') echo('<input type="submit" id="submit" class="login" style="margin-right:100px;" value="Next" />');
echo('
</form>
</div>
');
}
/**
* JS function to check if user deleted this script
* N.B. We can't reload the page to check this with PHP:
* once script is deleted we end up with 404
*/
static public function showJsValidation(){
echo '
<script>
var urlNotExists = function(url, callback){
var xhr = new XMLHttpRequest();
xhr.open(\'HEAD\', encodeURI(url));
xhr.onload = function() {
if (xhr.status === 404){
callback();
}
};
xhr.send();
};
</script>
';
}
/**
* Shows the welcome screen of the setup wizard
*/
static public function showWelcome() {
$txt='Welcome to the ownCloud Setup Wizard.<br />This wizard will check the ownCloud dependencies, download the newest version of ownCloud and install it in a few simple steps.';
Setup::showContent('Setup Wizard',$txt,1);
}
/**
* Shows the check dependencies screen
*/
static public function showCheckDependencies() {
$error=Setup::checkDependencies();
if($error=='') {
$txt='All ownCloud dependencies found';
Setup::showContent('Dependency check',$txt,2);
}else{
$txt='Dependencies not found.<br />'.$error;
Setup::showContent('Dependency check',$txt);
}
}
/**
* Shows the install screen
*/
static public function showInstall() {
$error=Setup::install();
if($error=='') {
$txt='ownCloud is now installed';
Setup::showContent('Success',$txt,3);
}else{
$txt='ownCloud is NOT installed<br />'.$error;
Setup::showContent('Error',$txt);
}
}
/**
* Shows the redirect screen
*/
static public function showRedirect() {
// delete own file
@unlink(__FILE__);
clearstatcache();
if (file_exists(__FILE__)){
Setup::showJsValidation();
Setup::showContent(
'Warning',
'Failed to remove installer script. Please remove ' . __FILE__ . ' manually',
3
);
} else {
// redirect to ownCloud
header("Location: " . $_GET['directory']);
}
}
}
// read the step get variable
$step = isset($_GET['step']) ? $_GET['step'] : 0;
// show the header
Setup::showHeader();
// show the right step
if ($step==0) Setup::showWelcome();
elseif ($step==1) Setup::showCheckDependencies();
elseif ($step==2) Setup::showInstall();
elseif ($step==3) Setup::showRedirect();
else echo('Internal error. Please try again.');
// show the footer
Setup::showFooter();
