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289 lines
9.6 KiB
289 lines
9.6 KiB
<?php
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/* For licensing terms, see /license.txt */
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use Chamilo\CourseBundle\Component\CourseCopy\CourseSelectForm;
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use Chamilo\CourseBundle\Component\CourseCopy\CourseArchiver;
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use Chamilo\CourseBundle\Component\CourseCopy\CourseRestorer;
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/**
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* Import a backup.
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*
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* @author Bart Mollet <bart.mollet@hogent.be>
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* @package chamilo.backup
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*/
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require_once '../inc/global.inc.php';
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$current_course_tool = TOOL_COURSE_MAINTENANCE;
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api_protect_course_script(true);
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// Check access rights (only teachers are allowed here)
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if (!api_is_allowed_to_edit()) {
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api_not_allowed(true);
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}
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// Remove memory and time limits as much as possible as this might be a long process...
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if (function_exists('ini_set')) {
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api_set_memory_limit('256M');
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ini_set('max_execution_time', 1800);
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}
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// Section for the tabs
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$this_section = SECTION_COURSES;
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// Breadcrumbs
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$interbreadcrumb[] = array(
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'url' => '../course_info/maintenance.php',
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'name' => get_lang('Maintenance')
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);
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// Displaying the header
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$nameTools = get_lang('ImportBackup');
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Display::display_header($nameTools);
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// Display the tool title
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echo Display::page_header($nameTools);
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/* MAIN CODE */
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$filename = '';
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if (Security::check_token('post') && (
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(
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isset($_POST['action']) &&
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$_POST['action'] == 'course_select_form'
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) || (
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isset($_POST['import_option']) &&
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$_POST['import_option'] == 'full_backup'
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)
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)
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) {
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// Clear token
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Security::clear_token();
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$error = false;
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if (isset($_POST['action']) && $_POST['action'] == 'course_select_form') {
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// Partial backup here we recover the documents posted
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// This gets $_POST['course']. Beware that when using Suhosin,
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// the post.max_value_length limit might get in the way of the
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// restoration of a course with many items. A value of 1,000,000 bytes
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// might be too short.
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$course = CourseSelectForm::get_posted_course();
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} else {
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if ($_POST['backup_type'] == 'server') {
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$filename = $_POST['backup_server'];
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$delete_file = false;
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} else {
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if ($_FILES['backup']['error'] == 0) {
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$filename = CourseArchiver::import_uploaded_file(
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$_FILES['backup']['tmp_name']
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);
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if ($filename === false) {
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$error = true;
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} else {
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$delete_file = true;
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}
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} else {
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$error = true;
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}
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}
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if (!$error) {
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// Full backup
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$course = CourseArchiver::read_course($filename, $delete_file);
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}
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}
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if (!$error && is_object($course) && $course->has_resources()) {
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$cr = new CourseRestorer($course);
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$cr->set_file_option($_POST['same_file_name_option']);
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$cr->restore();
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Display::display_normal_message(get_lang('ImportFinished'));
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echo '<a class="btn btn-default" href="' . api_get_path(WEB_COURSE_PATH) . api_get_course_path() . '/index.php">' . get_lang('CourseHomepage') . '</a>';
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} else {
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if (!$error) {
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Display::display_warning_message(get_lang('NoResourcesInBackupFile'));
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echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
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} elseif ($filename === false) {
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Display::display_error_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin'));
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echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
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} else {
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if ($filename == '') {
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Display::display_error_message(get_lang('SelectBackupFile'));
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echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
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} else {
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Display::display_error_message(get_lang('UploadError'));
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echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
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}
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}
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}
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CourseArchiver::clean_backup_dir();
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} elseif (Security::check_token('post') && (
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isset($_POST['import_option']) &&
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$_POST['import_option'] == 'select_items'
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)
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) {
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// Clear token
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Security::clear_token();
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if ($_POST['backup_type'] == 'server') {
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$filename = $_POST['backup_server'];
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$delete_file = false;
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} else {
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$filename = CourseArchiver::import_uploaded_file($_FILES['backup']['tmp_name']);
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$delete_file = true;
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}
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$course = CourseArchiver::read_course($filename, $delete_file);
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if ($course->has_resources() && ($filename !== false)) {
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$hiddenFields['same_file_name_option'] = $_POST['same_file_name_option'];
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// Add token to Course select form
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$hiddenFields['sec_token'] = Security::get_token();
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CourseSelectForm::display_form($course, $hiddenFields);
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} elseif ($filename === false) {
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Display::display_error_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin'));
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echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
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} else {
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Display::display_warning_message(get_lang('NoResourcesInBackupFile'));
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echo '<a class="btn btn-default" href="import_backup.php?' . api_get_cidreq() . '">' . get_lang('TryAgain') . '</a>';
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}
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} else {
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$user = api_get_user_info();
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$backups = CourseArchiver::get_available_backups(
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$is_platformAdmin ? null : $user['user_id']
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);
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$backups_available = count($backups) > 0;
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$form = new FormValidator(
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'import_backup_form',
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'post',
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api_get_path(WEB_CODE_PATH) . 'coursecopy/import_backup.php?' . api_get_cidreq(),
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'',
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array('enctype' => 'multipart/form-data')
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);
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$form->addElement('header', get_lang('SelectBackupFile'));
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$renderer = $form->defaultRenderer();
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$renderer->setCustomElementTemplate('<div>{element}</div> ');
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$form->addElement('hidden', 'action', 'restore_backup');
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$form->addElement(
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'radio',
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'backup_type',
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'',
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get_lang('LocalFile'),
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'local',
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'id="bt_local" class="checkbox" onclick="javascript: document.import_backup_form.backup_server.disabled=true;document.import_backup_form.backup.disabled=false;"'
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);
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$form->addElement('file', 'backup', '', 'style="margin-left: 50px;"');
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$form->addElement('html', '<br />');
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if ($backups_available) {
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$form->addElement(
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'radio',
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'backup_type',
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'',
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get_lang('ServerFile'),
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'server',
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'id="bt_server" class="checkbox" onclick="javascript: document.import_backup_form.backup_server.disabled=false;document.import_backup_form.backup.disabled=true;"'
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);
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$options['null'] = '-';
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foreach ($backups as $index => $backup) {
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$options[$backup['file']] = $backup['course_code'] . ' (' . $backup['date'] . ')';
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}
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$form->addElement(
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'select',
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'backup_server',
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'',
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$options,
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'style="margin-left: 50px;"'
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);
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$form->addElement(
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'html',
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'<script type="text/javascript">document.import_backup_form.backup_server.disabled=true;</script>'
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);
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} else {
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$form->addElement(
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'radio',
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'',
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'',
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'<i>' . get_lang('NoBackupsAvailable') . '</i>',
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'',
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'disabled="true"'
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);
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}
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$form->addElement('html', '<br /><br />');
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$form->addElement(
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'radio',
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'import_option',
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'',
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get_lang('ImportFullBackup'),
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'full_backup',
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'id="import_option_1" class="checkbox"'
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);
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$form->addElement(
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'radio',
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'import_option',
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'',
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get_lang('LetMeSelectItems'),
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'select_items',
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'id="import_option_2" class="checkbox"'
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);
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$form->addElement('html', '<br /><br />');
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$form->addElement('html', get_lang('SameFilename'));
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$form->addElement('html', '<br /><br />');
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$form->addElement(
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'radio',
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'same_file_name_option',
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'',
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get_lang('SameFilenameSkip'),
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FILE_SKIP,
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'id="same_file_name_option_1" class="checkbox"'
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);
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$form->addElement(
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'radio',
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'same_file_name_option',
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'',
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get_lang('SameFilenameRename'),
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FILE_RENAME,
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'id="same_file_name_option_2" class="checkbox"'
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);
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$form->addElement(
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'radio',
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'same_file_name_option',
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'',
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get_lang('SameFilenameOverwrite'),
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FILE_OVERWRITE,
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'id="same_file_name_option_3" class="checkbox"'
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);
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$form->addElement('html', '<br />');
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$form->addButtonImport(get_lang('ImportBackup'));
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$values['backup_type'] = 'local';
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$values['import_option'] = 'full_backup';
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$values['same_file_name_option'] = FILE_OVERWRITE;
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$form->setDefaults($values);
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$form->addProgress();
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// When progress bar appears we have to hide the title "Select backup file".
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$form->updateAttributes(array(
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'onsubmit' => str_replace(
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'javascript: ',
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'javascript: page_title = getElementById(\'page_title\'); if (page_title) { setTimeout(\'page_title.style.display = \\\'none\\\';\', 2000); } ',
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$form->getAttribute('onsubmit')
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)
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));
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// Add Security token
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$token = Security::get_token();
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$form->addElement('hidden', 'sec_token');
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$form->setConstants(array('sec_token' => $token));
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$form->display();
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}
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Display::display_footer();
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