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<?php
/*
* @author: Pietro Cinaglia
* https://github.com/pietrocinaglia
*/
namespace pcinaglia\laraUpdater;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Log;
use Artisan;
use Auth;
class LaraUpdaterController extends Controller {
private $tmp_backup_dir = null;
private $response_html = '';
private function checkPermission() {
if( config('laraupdater.allow_users_id') !== null )
if( config('laraupdater.allow_users_id') === false || in_array(Auth::User()->id, config('laraupdater.allow_users_id')) === true )
return true;
return false;
}
private function log($msg, $append_response=false, $type='info'){
//Response HTML
if($append_response)
$this->response_html .= $msg . "<BR>";
//Log
$header = "LaraUpdater - ";
if($type == 'info')
Log::info($header . '[info]' . $msg);
elseif($type == 'warn')
Log::error($header . '[warn]' . $msg);
elseif($type == 'err')
Log::error($header . '[err]' . $msg);
else
return;
}
/*
* Download and Install Update.
*/
public function update()
{
$this->log( trans("laraupdater.SYSTEM_VERSION") . $this->getCurrentVersion(), true, 'info' );
if( ! $this->checkPermission() ){
$this->log( trans("laraupdater.PERMISSION_DENIED."), true, 'warn' );
return;
}
$last_version_info = $this->getLastVersion();
$last_version = null;
if ( $last_version_info['version'] <= $this->getCurrentVersion() ){
$this->log( trans("laraupdater.ALREADY_UPDATED"), true, 'info' );
return;
}
try{
if( ($last_version = $this->download($last_version_info['archive'])) === false){
return;
}
Artisan::call('down'); // Maintenance mode ON
$this->log( trans("laraupdater.MAINTENANCE_MODE_ON"), true, 'info' );
if( ($status = $this->install($last_version)) === false ){
$this->log( trans("laraupdater.INSTALLATION_ERROR"), true, 'err' );
return;
}
$this->setCurrentVersion($last_version_info['version']); //update system version
$this->log( trans("laraupdater.INSTALLATION_SUCCESS"), true, 'info' );
$this->log( trans("laraupdater.SYSTEM_VERSION") . $this->getCurrentVersion(), true, 'info' );
Artisan::call('up'); // Maintenance mode OFF
$this->log( trans("laraupdater.MAINTENANCE_MODE_OFF"), true, 'info' );
}catch (\Exception $e) {
$this->log( trans("laraupdater.EXCEPTION") . '<small>' . $e->getMessage() . '</small>', true, 'err' );
$this->recovery();
}
}
private function install($archive)
{
try{
$execute_commands = false;
$update_script = base_path().'/'.config('laraupdater.tmp_folder_name').'/'.config('laraupdater.script_filename');
$zipHandle = zip_open($archive);
$archive = substr($archive,0, -4);
$this->log( trans("laraupdater.CHANGELOG"), true, 'info' );
while ($zip_item = zip_read($zipHandle) ){
$filename = zip_entry_name($zip_item);
$dirname = dirname($filename);
// Exclude files
if( substr($filename,-1,1) == '/' || dirname($filename) === $archive || substr($dirname,0,2) === '__') continue;
if($dirname === '.' ) continue;
if( substr($dirname,0, strlen($archive)) === $archive )
$dirname = substr($dirname, (strlen($dirname)-strlen($archive)-1)*(-1));
$filename = $dirname.'/'.basename($filename); //set new purify path for current file
if ( !is_dir(base_path().'/'.$dirname) ){ //Make NEW directory (if exist also in current version continue...)
File::makeDirectory(base_path().'/'.$dirname, $mode = 0755, true, true);
$this->log( trans("laraupdater.DIRECTORY_CREATED") . $dirname, true, 'info' );
}
if ( !is_dir(base_path().'/'.$filename) ){ //Overwrite a file with its last version
$contents = zip_entry_read($zip_item, zip_entry_filesize($zip_item));
$contents = str_replace("\r\n", "\n", $contents);
if ( strpos($filename, 'upgrade.php') !== false ) {
File::put($update_script, $contents);
$execute_commands = true;
}else {
if(File::exists(base_path().'/'.$filename)){
$this->log( trans("laraupdater.FILE_EXIST") . $filename, true, 'info' );
$this->backup($filename); //backup current version
}
$this->log( trans("laraupdater.FILE_COPIED") . $filename, true, 'info' );
File::put(base_path().'/'.$filename, $contents);
unset($contents);
}
}
}
zip_close($zipHandle);
echo '</ul>';
if($execute_commands == true){
require_once($update_script);
// upgrade-VERSION.php contains the 'main()' method with a BOOL return to check its execution.
main();
unlink($update_script);
$this->log( trans("laraupdater.EXECUTE_UPDATE_SCRIPT") . ' (\'upgrade.php\')', true, 'info' );
}
File::delete($archive);
File::deleteDirectory($this->tmp_backup_dir);
$this->log( trans("laraupdater.TEMP_CLEANED"), true, 'info' );
}catch (\Exception $e) {
$this->log( trans("laraupdater.EXCEPTION") . '<small>' . $e->getMessage() . '</small>', true, 'err' );
return false;
}
return true;
}
/*
* Download Update from $update_baseurl to $tmp_folder_name (local folder).
*/
private function download($filename) {
$this->log( trans("laraupdater.DOWNLOADING"), true, 'info' );
$tmp_folder_name = base_path().'/'.config('laraupdater.tmp_folder_name');
if ( !is_dir($tmp_folder_name) )
File::makeDirectory($tmp_folder_name, $mode = 0755, true, true);
try{
$local_file = $tmp_folder_name.'/'.$filename;
$remote_file_url = config('laraupdater.update_baseurl').'/'.$filename;
$update = file_get_contents($remote_file_url);
file_put_contents($local_file, $update);
}catch (\Exception $e) {
$this->log( trans("laraupdater.DOWNLOADING_ERROR"), true, 'err' );
$this->log( trans("laraupdater.EXCEPTION") . '<small>' . $e->getMessage() . '</small>', true, 'err' );
return false;
}
$this->log( trans("laraupdater.DOWNLOADING_SUCCESS"), true, 'info' );
return $local_file;
}
/*
* Current version ('version.txt' in main folder)
*/
public function getCurrentVersion() {
// todo: env file version
$version = File::get(base_path().'/version.txt');
return $version;
}
private function setCurrentVersion($version) {
// todo: env file version
File::put(base_path().'/version.txt', $version);
}
/*
* Check if a new Update exist.
*/
public function check() {
$last_version = $this->getLastVersion();
if( version_compare($last_version['version'], $this->getCurrentVersion(), ">") )
return $last_version;
return '';
}
private function getLastVersion() {
$last_version = file_get_contents(config('laraupdater.update_baseurl').'/laraupdater.json');
$last_version = json_decode($last_version, true);
// $last_version : ['version' => $v, 'archive' => 'RELEASE-$v.zip', 'description' => 'plainText'];
return $last_version;
}
/*
* Backup files before performing the update.
*/
private function backup($filename) {
if( !isset($this->tmp_backup_dir) )
$this->tmp_backup_dir = base_path().'/backup_'.date('Ymd');
$backup_dir = $this->tmp_backup_dir;
if ( !is_dir($backup_dir) )
File::makeDirectory($backup_dir, $mode = 0755, true, true);
if ( !is_dir($backup_dir.'/'.dirname($filename)) )
File::makeDirectory($backup_dir.'/'.dirname($filename), $mode = 0755, true, true);
File::copy(base_path().'/'.$filename, $backup_dir.'/'.$filename); //to backup folder
}
/*
* Recovery system from the last backup.
*/
private function recovery(){
$this->log( trans("laraupdater.RECOVERY") . '<small>' . $e . '</small>', true, 'info' );
if( !isset($this->tmp_backup_dir) ){
$this->tmp_backup_dir = base_path().'/backup_'.date('Ymd');
$this->log( trans("laraupdater.BACKUP_FOUND") . '<small>' . $this->tmp_backup_dir . '</small>', true, 'info' );
}
try{
$backup_dir = $this->tmp_backup_dir;
$backup_files = File::allFiles($backup_dir);
foreach ($backup_files as $file){
$filename = (string)$file;
$filename = substr($filename, (strlen($filename)-strlen($backup_dir)-1)*(-1));
File::copy($backup_dir.'/'.$filename, base_path().'/'.$filename); //to respective folder
}
}catch(\Exception $e) {
$this->log( trans("laraupdater.RECOVERY_ERROR"), true, 'err' );
$this->log( trans("laraupdater.EXCEPTION") . '<small>' . $e->getMessage() . '</small>', true, 'err' );
return false;
}
$this->log( trans("laraupdater.RECOVERY_SUCCESS"), true, 'info' );
return true;
}
}