chamilo-lms2/main/coursecopy/create_backup.php

<?php
/* For licensing terms, see /license.txt */

use Chamilo\CourseBundle\Component\CourseCopy\CourseSelectForm;
use Chamilo\CourseBundle\Component\CourseCopy\CourseBuilder;
use Chamilo\CourseBundle\Component\CourseCopy\CourseArchiver;

/**
 * Create a backup.
 *
 * @author Bart Mollet <bart.mollet@hogent.be>
 * @package chamilo.backup
 */

require_once __DIR__.'/../inc/global.inc.php';
$current_course_tool = TOOL_COURSE_MAINTENANCE;

api_protect_course_script(true);

api_check_archive_dir();

// Check access rights (only teachers are allowed here)
if (!api_is_allowed_to_edit()) {
    api_not_allowed(true);
}

// Remove memory and time limits as much as possible as this might be a long process...
if (function_exists('ini_set')) {
    api_set_memory_limit('256M');
    ini_set('max_execution_time', 1800);
}

// Section for the tabs
$this_section = SECTION_COURSES;

// Breadcrumbs
$interbreadcrumb[] = array(
    'url' => api_get_path(WEB_CODE_PATH).'course_info/maintenance.php',
    'name' => get_lang('Maintenance')
);

// Displaying the header
$nameTools = get_lang('CreateBackup');
Display::display_header($nameTools);

// Display the tool title
echo Display::page_header($nameTools);

/*	MAIN CODE */

if (Security::check_token('post') && (
        (
            isset($_POST['action']) &&
            $_POST['action'] == 'course_select_form'
        ) || (
            isset($_POST['backup_option']) &&
            $_POST['backup_option'] == 'full_backup'
        )
    )
) {
    // Clear token
    Security::clear_token();

    if (isset($_POST['action']) && $_POST['action'] == 'course_select_form') {
        $course = CourseSelectForm::get_posted_course();
    } else {
        $cb = new CourseBuilder();
        $course = $cb->build();
    }

    $zip_file = CourseArchiver::createBackup($course);
    echo Display::return_message(get_lang('BackupCreated'), 'confirm');
    echo '<br /><a class="btn btn-primary btn-large" href="'.api_get_path(WEB_CODE_PATH).'course_info/download.php?archive='.$zip_file.'&'.api_get_cidreq().'">
    ' . get_lang('Download').'</a>';

} elseif (Security::check_token('post') && (
        isset($_POST['backup_option']) &&
        $_POST['backup_option'] == 'select_items'
    )
) {
    // Clear token
    Security::clear_token();

    $cb = new CourseBuilder('partial');
    $course = $cb->build();
    // Add token to Course select form
    $hiddenFields['sec_token'] = Security::get_token();
    CourseSelectForm::display_form($course, $hiddenFields);

} else {
    $cb = new CourseBuilder();
    $course = $cb->build();
    if (!$course->has_resources()) {
        echo get_lang('NoResourcesToBackup');
    } else {
        $form = new FormValidator(
            'create_backup_form',
            'post',
            api_get_self().'?'.api_get_cidreq()
        );
        $form->addElement('header', get_lang('SelectOptionForBackup'));
        $form->addElement('radio', 'backup_option', '', get_lang('CreateFullBackup'), 'full_backup');
        $form->addElement('radio', 'backup_option', '', get_lang('LetMeSelectItems'), 'select_items');
        $form->addButtonSave(get_lang('CreateBackup'));
        $form->addProgress();
        // When progress bar appears we have to hide the title "Please select a backup-option".
        $form->updateAttributes(
            array(
                'onsubmit' => str_replace(
                    'javascript: ',
                    'javascript: page_title = getElementById(\'page_title\'); if (page_title) { setTimeout(\'page_title.style.display = \\\'none\\\';\', 2000); } ',
                    $form->getAttribute('onsubmit')
                )
            )
        );
        $values['backup_option'] = 'full_backup';
        $form->setDefaults($values);

        // Add Security token
        $token = Security::get_token();
        $form->addElement('hidden', 'sec_token');
        $form->setConstants(array('sec_token' => $token));
        echo '<div class="row">';
        echo '<div class="col-md-12">';
        echo '<div class="tool-backup">';
            $form->display();
        echo '</div>';
        echo '</div>';
        echo '</div>';
    }
}

Display::display_footer();