'];
private $title = '';
private $config = [
'subclass_prefix' => null,
];
private $secure_directory_button = 'Click to Secure Installer and Continue... ';
public function __construct($options = []){
if(!defined('BASEPATH')){
define('BASEPATH', '');
}
try{
$this->rootdir = @$_SERVER['DOCUMENT_ROOT'] ?? dirname(__DIR__);
require($this->rootdir . '/application/config/config.php');
}
catch(\Exception $e){
die(var_dump($e));
}
$this->ci_config($config);
$this->repository_url = @$options['repository_url'] ? $options['repository_url'] : env('BUILD_REPOSITORY_URL', $this->repository_url);
$this->install_dir = @$options['install_dir'] ? $options['install_dir'] : $this->rootdir . $this->install_dir;
$this->installer_parent_dirname = @$options['installer_parent_dirname'] ? $options['installer_parent_dirname'] : $this->installer_parent_dirname;
if(!$this->preflight()) return;
$requirements_ok = $this->check_requirements();
if(!empty($_POST['continue'])){
$this->title = "";
if($requirements_ok && $this->should_install(true)){
$this->install();
$this->post_install();
}
}
else if(!empty($_GET['secure_directory'])){
$this->secure_installer();
header('Location: /');
}
else if(empty($this->errors)){
if($this->should_install()){
$this->title = "Review the information below and click 'Continue' to proceed with the installation or update";
$this->results[] = 'Continue? ';
}
}
else{
$this->title = "Please correct the issues listed below ";
}
}
private function set_config(){
if(!file_exists($this->install_dir . '/vendor/autoload.php')) return false;
require $this->install_dir . '/vendor/autoload.php';
try{
BlueRaster\PowerBIAuthProxy\Auth::config();
}
catch(Exception $e){
$_GET['configure'] = true;
$this->results[] = require $this->install_dir . '/install.php';
return false;
}
return true;
}
private function ci_config(Array $config){
$this->config['subclass_prefix'] = $config['subclass_prefix'];
}
private function get_http($url){
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_URL => $url,
CURLOPT_USERAGENT => 'G3N1US cURL Fn'
));
$resp = curl_exec($curl);
curl_close($curl);
return $resp;
}
private function install(){
file_put_contents($this->install_dir . '/current.zip', $this->get_http($this->repository_url . '/current.zip'));
file_put_contents($this->install_dir . '/hash.txt', $this->get_http($this->repository_url . '/hash.txt'));
$zip = new ZipArchive;
if ($zip->open($this->install_dir . '/current.zip') === TRUE) {
$zip->extractTo($this->install_dir);
$zip->close();
$this->results[] = "Update completed successfully.
";
} else {
$this->errors[] = "An error occurred with unzipping the update/install package
";
}
$app_path = dirname(dirname($this->install_dir));
// create controller file
$controller_content = 'require_once APPPATH . \'/third_party/powerbi_auth_proxy/vendor/autoload.php\';' .PHP_EOL . PHP_EOL;
$controller_content .= 'BlueRaster\\PowerBIAuthProxy\\Routes::route();';
$controllerpath = $app_path . '/core/' . $this->config['subclass_prefix'] . 'Controller.php';
file_put_contents($controllerpath, "errors)){
$this->results[] = 'Installation/Update Complete. ';
$this->results[] = $this->secure_directory_button;
}
}
private function post_install(){
@unlink($this->install_dir . '/current.zip');
$config_complete = $this->set_config();
}
private function secure_installer(){
file_put_contents(__DIR__.'/.htaccess', 'deny from all' . PHP_EOL);
// test that installer is no longer available via the web
$uri = @$_SERVER['HTTP_REFERER'];
$contents = !!$this->get_http($uri);
if($contents){
$this->results[] = 'ERROR - This script should no longer be accessible from the web for security purposes.
';
}
}
private function preflight(){
$folder = $this->installer_parent_dirname;
$thisfilename = basename(__FILE__);
$scriptdirname = basename(dirname(__FILE__));
if($scriptdirname != $this->installer_parent_dirname && !defined('AUTH_PROXY_INSTALLER_EMBEDDED')){
$this->results[] = 'ERROR
';
$this->results[] = "This installer script ($thisfilename) must be placed inside a folder named: $folder in the root folder of your website.";
return false;
}
return true;
}
private function check_requirements(){
$proceed = true;
// are directories writable
if(!empty($_POST['create_install_dir']))
@mkdir($this->install_dir);
if(!is_writable($this->install_dir)){
$me = function_exists('shell_exec') ? shell_exec('whoami') : "web user cannot be determined automatically";
$this->errors[] = "The installation directory (".$this->install_dir.") does not exist or is not writable.
Create a folder at ".$this->install_dir." and ensure that the user: $mecan write to it.
Click HERE to attempt to do this automatically.
";
$proceed = false;
}
else{
$this->output[] = "
";
}
// is zip extension installed
if(!class_exists('ZipArchive')){
$this->errors[] = "
";
$proceed = false;
}
else{
$this->output[] = "
";
}
// is cURL extension installed
if(!function_exists('curl_init')){
$this->errors[] = "
";
$proceed = false;
}
else{
$this->output[] = "
";
}
if(!$proceed){
$this->results[] = "
";
}
return $proceed;
}
private function should_install($quiet = false){
$proceed = false;
$step = false;
if(!is_dir($this->install_dir . '/vendor')) {
$proceed = true;
$step = 'Application not found, so it will be installed';
}
else{
$remotehash = $this->get_http($this->repository_url . '/hash.txt');
$localhash = file_get_contents($this->install_dir . '/hash.txt');
$compared = trim($remotehash) != trim($localhash);
if($compared) $step = 'Application exists but an update is available, so it will be updated';
$proceed = $compared;
}
if(!$quiet){
if(!$proceed) {
$this->results[] = "The application is already installed and is up-to-date
";
$this->results[] = $this->secure_directory_button;
}
else{
$this->results[] = "$step
";
}
}
return $proceed;
}
public function __toString(){
$title = '' .$this->title. ' ';
return $title . implode(PHP_EOL, $this->errors) . implode(PHP_EOL, $this->output) . implode(PHP_EOL, $this->results);
}
}
if(!function_exists('dd')){
function dd($val){
die(var_dump($val));
}
}
$content = new CodeigniterPowerBIAuthProxyInstaller($_GET);
$html = '
PowerBI Auth Proxy Installer/Updater
';
if(defined('AUTH_PROXY_INSTALLER_EMBEDDED')){
return $content;
}
else{
echo trim($html);
die();
}
