<?php
/**
* Backup - This is a LINEAR controller
*
* This file is part of b2evolution - {@link http://b2evolution.net/}
* See also {@link https://github.com/b2evolution/b2evolution}.
*
* @license GNU GPL v2 - {@link http://b2evolution.net/about/gnu-gpl-license}
*
* @copyright (c)2009-2016 by Francois Planque - {@link http://fplanque.com/}
* Parts of this file are copyright (c)2009 by The Evo Factory - {@link http://www.evofactory.com/}.
*
* Released under GNU GPL License - {@link http://b2evolution.net/about/gnu-gpl-license}
*
* @package maintenance
*/
if( !defined('EVO_MAIN_INIT') ) die( 'Please, do not access this page directly.' );
// Check minimum permission:
check_user_perm( 'admin', 'normal', true );
check_user_perm( 'maintenance', 'backup', true );
// Load Backup class (PHP4):
load_class( 'maintenance/model/_backup.class.php', 'Backup' );
switch( $action )
{
case 'delete':
// Delete backup folder:
// Check that this action request is not a CSRF hacked request:
$Session->assert_received_crumb( 'backup' );
$folder = param( 'folder', 'string' );
if( strpos( $folder, '/' ) !== false || strpos( $folder, '\\' ) !== false )
{ // Don't support slash chars in the folder name to avoid a hack:
debug_die( 'Wrong folder name "'.$folder.'"!' );
}
$deleting_folder_path = $backup_path.$folder;
if( ! file_exists( $deleting_folder_path ) || ! is_dir( $deleting_folder_path ) )
{ // Display error message if the requested folder doesn't exist:
$Messages->add( sprintf( TB_('The directory «%s» does not exist.'), '<code>'.$deleting_folder_path.'</code>' ), 'error' );
}
elseif( rmdir_r( $deleting_folder_path ) )
{ // Display a message after successful deleting:
$Messages->add( sprintf( TB_('The directory «%s» has been deleted.'), '<code>'.$deleting_folder_path.'</code>' ), 'success' );
}
else
{ // Display error message if the requested folder could not be deleted:
$Messages->add( sprintf( TB_('Could not delete directory: %s'), '<code>'.$deleting_folder_path.'</code>' ), 'error' );
}
header_redirect( $admin_url.'?ctrl=backup' );
break;
}
// Set options path:
$AdminUI->set_path( 'options', 'misc', 'backup' );
// Get action parameter from request:
param_action( 'start' );
// Create instance of Backup class
$current_Backup = new Backup();
// Load backup settings from request
if( $action == 'backup' && !$current_Backup->load_from_Request() )
{
$action = 'new';
}
$AdminUI->breadcrumbpath_init( false ); // fp> I'm playing with the idea of keeping the current blog in the path here...
$AdminUI->breadcrumbpath_add( TB_('System'), $admin_url.'?ctrl=system' );
$AdminUI->breadcrumbpath_add( TB_('Maintenance'), $admin_url.'?ctrl=tools' );
$AdminUI->breadcrumbpath_add( TB_('Backup'), $admin_url.'?ctrl=backup' );
// Set an url for manual page:
$AdminUI->set_page_manual_link( 'backup-tab' );
// Display <html><head>...</head> section! (Note: should be done early if actions do not redirect)
$AdminUI->disp_html_head();
// Display title, menu, messages, etc. (Note: messages MUST be displayed AFTER the actions)
$AdminUI->disp_body_top();
$AdminUI->disp_payload_begin();
/**
* Display payload:
*/
switch( $action )
{
case 'start':
// Display backup settings form
$AdminUI->disp_view( 'maintenance/views/_backup.form.php' );
break;
case 'backup':
if( $demo_mode )
{
$Messages->clear();
$Messages->add( TB_('This feature is disabled on the demo server.'), 'error' );
$Messages->display();
break;
}
// Check that this action request is not a CSRF hacked request:
$Session->assert_received_crumb( 'backup' );
$Form = new Form( NULL, 'backup_progress', 'post' );
// Interactive / flush() backup should start here
$Form->begin_form( 'fform', TB_('System backup is in progress...') );
evo_flush();
// Lock b2evolution while backing up
$success = true;
$lock_type = param( 'bk_lock_type', 'string' );
switch( $lock_type )
{
case 'maintenance_lock':
// Enable maintenance lock
$success = switch_maintenance_lock( true );
// Make sure we disable the maintenance lock if PHP dies
register_shutdown_function( 'switch_maintenance_lock', false );
break;
case 'maintenance_mode':
// Enable maintenance mode
$success = switch_maintenance_mode( true, 'all', TB_('System backup is in progress. Please reload this page in a few minutes.') );
// Make sure we exit the maintenance mode if PHP dies
register_shutdown_function( 'switch_maintenance_mode', false, '', true );
break;
case 'open': // Don't lock the site
break;
default:
debug_die( 'Invalid system lock type received!' );
break;
}
if( $success )
{ // We can start backup
set_max_execution_time( 1800 ); // 30 minutes
$current_Backup->start_backup();
}
// Unlock b2evolution
switch( $lock_type )
{
case 'maintenance_lock': // Disable maintenance lock
switch_maintenance_lock( false );
break;
case 'maintenance_mode': // Disable maintenance mode
switch_maintenance_mode( false, 'all' );
break;
default: // Nothing to do because the b2evoltuion was not locked
break;
}
$Form->end_form();
break;
}
$AdminUI->disp_payload_end();
// Display body bottom, debug info and close </html>:
$AdminUI->disp_global_footer();
?>