* @package chamilo.backup
*/
require_once __DIR__.'/../inc/global.inc.php';
$current_course_tool = TOOL_COURSE_MAINTENANCE;
api_protect_course_script(true);
// 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' => '../course_info/maintenance.php',
'name' => get_lang('Maintenance')
);
// Displaying the header
$nameTools = get_lang('ImportBackup');
Display::display_header($nameTools);
// Display the tool title
echo Display::page_header($nameTools);
/* MAIN CODE */
$filename = '';
if (Security::check_token('post') && (
(
isset($_POST['action']) &&
$_POST['action'] == 'course_select_form'
) || (
isset($_POST['import_option']) &&
$_POST['import_option'] == 'full_backup'
)
)
) {
// Clear token
Security::clear_token();
$error = false;
if (isset($_POST['action']) && $_POST['action'] == 'course_select_form') {
// Partial backup here we recover the documents posted
// This gets $_POST['course']. Beware that when using Suhosin,
// the post.max_value_length limit might get in the way of the
// restoration of a course with many items. A value of 1,000,000 bytes
// might be too short.
$course = CourseSelectForm::get_posted_course();
} else {
if ($_POST['backup_type'] == 'server') {
$filename = $_POST['backup_server'];
$delete_file = false;
} else {
if ($_FILES['backup']['error'] == 0) {
$filename = CourseArchiver::importUploadedFile(
$_FILES['backup']['tmp_name']
);
if ($filename === false) {
$error = true;
} else {
$delete_file = true;
}
} else {
$error = true;
}
}
if (!$error) {
// Full backup
$course = CourseArchiver::readCourse($filename, $delete_file);
}
}
if (!$error && is_object($course) && $course->has_resources()) {
$cr = new CourseRestorer($course);
$cr->set_file_option($_POST['same_file_name_option']);
$cr->restore();
echo Display::return_message(get_lang('ImportFinished'));
echo ''.get_lang('CourseHomepage').'';
} else {
if (!$error) {
echo Display::return_message(get_lang('NoResourcesInBackupFile'), 'warning');
echo ''.get_lang('TryAgain').'';
} elseif ($filename === false) {
echo Display::return_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin'), 'error');
echo ''.get_lang('TryAgain').'';
} else {
if ($filename == '') {
echo Display::return_message(get_lang('SelectBackupFile'), 'error');
echo ''.get_lang('TryAgain').'';
} else {
echo Display::return_message(get_lang('UploadError'), 'error');
echo ''.get_lang('TryAgain').'';
}
}
}
CourseArchiver::cleanBackupDir();
} elseif (Security::check_token('post') && (
isset($_POST['import_option']) &&
$_POST['import_option'] == 'select_items'
)
) {
// Clear token
Security::clear_token();
if ($_POST['backup_type'] == 'server') {
$filename = $_POST['backup_server'];
$delete_file = false;
} else {
$filename = CourseArchiver::importUploadedFile($_FILES['backup']['tmp_name']);
$delete_file = true;
}
$course = CourseArchiver::readCourse($filename, $delete_file);
if ($course->has_resources() && ($filename !== false)) {
$hiddenFields['same_file_name_option'] = $_POST['same_file_name_option'];
// Add token to Course select form
$hiddenFields['sec_token'] = Security::get_token();
CourseSelectForm::display_form($course, $hiddenFields);
} elseif ($filename === false) {
echo Display::return_message(get_lang('ArchivesDirectoryNotWriteableContactAdmin'), 'error');
echo ''.get_lang('TryAgain').'';
} else {
echo Display::return_message(get_lang('NoResourcesInBackupFile'), 'warning');
echo ''.get_lang('TryAgain').'';
}
} else {
$user = api_get_user_info();
$backups = CourseArchiver::getAvailableBackups(
$is_platformAdmin ? null : $user['user_id']
);
$backups_available = count($backups) > 0;
$form = new FormValidator(
'import_backup_form',
'post',
api_get_path(WEB_CODE_PATH).'coursecopy/import_backup.php?'.api_get_cidreq(),
'',
array('enctype' => 'multipart/form-data')
);
$form->addElement('header', get_lang('SelectBackupFile'));
$renderer = $form->defaultRenderer();
$renderer->setCustomElementTemplate('{element}
');
$form->addElement('hidden', 'action', 'restore_backup');
$form->addElement(
'radio',
'backup_type',
'',
get_lang('LocalFile'),
'local',
'id="bt_local" class="checkbox" onclick="javascript: document.import_backup_form.backup_server.disabled=true;document.import_backup_form.backup.disabled=false;"'
);
$form->addElement('file', 'backup', '', 'style="margin-left: 50px;"');
$form->addElement('html', '
');
if ($backups_available) {
$form->addElement(
'radio',
'backup_type',
'',
get_lang('ServerFile'),
'server',
'id="bt_server" class="checkbox" onclick="javascript: document.import_backup_form.backup_server.disabled=false;document.import_backup_form.backup.disabled=true;"'
);
$options['null'] = '-';
foreach ($backups as $index => $backup) {
$options[$backup['file']] = $backup['course_code'].' ('.$backup['date'].')';
}
$form->addElement(
'select',
'backup_server',
'',
$options,
'style="margin-left: 50px;"'
);
$form->addElement(
'html',
''
);
} else {
$form->addElement(
'radio',
'',
'',
''.get_lang('NoBackupsAvailable').'',
'',
'disabled="true"'
);
}
$form->addElement('html', '
');
$form->addElement(
'radio',
'import_option',
'',
get_lang('ImportFullBackup'),
'full_backup',
'id="import_option_1" class="checkbox"'
);
$form->addElement(
'radio',
'import_option',
'',
get_lang('LetMeSelectItems'),
'select_items',
'id="import_option_2" class="checkbox"'
);
$form->addElement('html', '
');
$form->addElement('html', get_lang('SameFilename'));
$form->addElement('html', '
');
$form->addElement(
'radio',
'same_file_name_option',
'',
get_lang('SameFilenameSkip'),
FILE_SKIP,
'id="same_file_name_option_1" class="checkbox"'
);
$form->addElement(
'radio',
'same_file_name_option',
'',
get_lang('SameFilenameRename'),
FILE_RENAME,
'id="same_file_name_option_2" class="checkbox"'
);
$form->addElement(
'radio',
'same_file_name_option',
'',
get_lang('SameFilenameOverwrite'),
FILE_OVERWRITE,
'id="same_file_name_option_3" class="checkbox"'
);
$form->addElement('html', '
');
$form->addButtonImport(get_lang('ImportBackup'));
$values['backup_type'] = 'local';
$values['import_option'] = 'full_backup';
$values['same_file_name_option'] = FILE_OVERWRITE;
$form->setDefaults($values);
$form->addProgress();
// When progress bar appears we have to hide the title "Select backup file".
$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')
)
));
// Add Security token
$token = Security::get_token();
$form->addElement('hidden', 'sec_token');
$form->setConstants(array('sec_token' => $token));
$form->display();
}
Display::display_footer();