/**
*
* Check is folder readable and exists create it if not
* add .htaccess or index.html file in folder to prevent directory listing
*
* @param string $folder the folder to check
* @param bool $donotbackup Create a file that the folder will not backuped
*
* @return string with error message if one
*/
public static function check_folder($folder, $donotbackup = FALSE)
{
$folder = BackWPup_File::get_absolute_path($folder);
$folder = untrailingslashit($folder);
//check that is not home of WP
$uploads = BackWPup_File::get_upload_dir();
if ($folder === untrailingslashit(str_replace('\\', '/', ABSPATH)) || $folder === untrailingslashit(str_replace('\\', '/', dirname(ABSPATH))) || $folder === untrailingslashit(str_replace('\\', '/', WP_PLUGIN_DIR)) || $folder === untrailingslashit(str_replace('\\', '/', WP_CONTENT_DIR)) || $folder === untrailingslashit($uploads) || $folder === '/') {
return sprintf(__('Folder %1$s not allowed, please use another folder.', 'backwpup'), $folder);
}
//open base dir check
if (!BackWPup_File::is_in_open_basedir($folder)) {
return sprintf(__('Folder %1$s is not in open basedir, please use another folder.', 'backwpup'), $folder);
}
//create folder if it not exists
if (!is_dir($folder)) {
if (!wp_mkdir_p($folder)) {
return sprintf(__('Cannot create folder: %1$s', 'backwpup'), $folder);
}
}
//check is writable dir
if (!is_writable($folder)) {
return sprintf(__('Folder "%1$s" is not writable', 'backwpup'), $folder);
}
//create files for securing folder
if (get_site_option('backwpup_cfg_protectfolders')) {
$server_software = strtolower($_SERVER['SERVER_SOFTWARE']);
//IIS
if (strstr($server_software, 'microsoft-iis')) {
if (!file_exists($folder . '/web.config')) {
file_put_contents($folder . '/web.config', "<configuration>" . PHP_EOL . "\t<system.webServer>" . PHP_EOL . "\t\t<authorization>" . PHP_EOL . "\t\t\t<deny users=" * " />" . PHP_EOL . "\t\t</authorization>" . PHP_EOL . "\t</system.webServer>" . PHP_EOL . "</configuration>");
}
} elseif (strstr($server_software, 'nginx')) {
if (!file_exists($folder . '/index.php')) {
file_put_contents($folder . '/index.php', "<?php" . PHP_EOL . "header( \$_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found' );" . PHP_EOL . "header( 'Status: 404 Not Found' );" . PHP_EOL);
}
} else {
if (!file_exists($folder . '/.htaccess')) {
file_put_contents($folder . '/.htaccess', "<Files \"*\">" . PHP_EOL . "<IfModule mod_access.c>" . PHP_EOL . "Deny from all" . PHP_EOL . "</IfModule>" . PHP_EOL . "<IfModule !mod_access_compat>" . PHP_EOL . "<IfModule mod_authz_host.c>" . PHP_EOL . "Deny from all" . PHP_EOL . "</IfModule>" . PHP_EOL . "</IfModule>" . PHP_EOL . "<IfModule mod_access_compat>" . PHP_EOL . "Deny from all" . PHP_EOL . "</IfModule>" . PHP_EOL . "</Files>");
}
if (!file_exists($folder . '/index.php')) {
file_put_contents($folder . '/index.php', "<?php" . PHP_EOL . "header( \$_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found' );" . PHP_EOL . "header( 'Status: 404 Not Found' );" . PHP_EOL);
}
}
}
//Create do not backup file for this folder
if ($donotbackup && !file_exists($folder . '/.donotbackup')) {
file_put_contents($folder . '/.donotbackup', __('BackWPup will not backup folders and its sub folders when this file is inside.', 'backwpup'));
}
return '';
}
/**
* @param $job_object
* @return bool
*/
public function job_run(&$job_object)
{
$job_object->log(sprintf(__('%d. Trying to make a list of folders to back up …', 'backwpup'), $job_object->steps_data[$job_object->step_working]['STEP_TRY']));
$job_object->substeps_todo = 7;
$job_object->temp['folders_to_backup'] = array();
//Folder lists for blog folders
$abs_path = realpath(ABSPATH);
if ($abs_path && !empty($job_object->job['backuproot']) && $job_object->substeps_done == 0) {
$abs_path = trailingslashit(str_replace('\\', '/', $abs_path));
$excludes = $this->get_exclude_dirs($abs_path);
foreach ($job_object->job['backuprootexcludedirs'] as $folder) {
$excludes[] = trailingslashit($abs_path . $folder);
}
$this->get_folder_list($job_object, $abs_path, $excludes);
}
$job_object->substeps_done = 1;
$job_object->update_working_data();
$wp_content_dir = realpath(WP_CONTENT_DIR);
if ($wp_content_dir && !empty($job_object->job['backupcontent']) && $job_object->substeps_done == 1) {
$wp_content_dir = trailingslashit(str_replace('\\', '/', $wp_content_dir));
$excludes = $this->get_exclude_dirs($wp_content_dir);
foreach ($job_object->job['backupcontentexcludedirs'] as $folder) {
$excludes[] = trailingslashit($wp_content_dir . $folder);
}
$this->get_folder_list($job_object, $wp_content_dir, $excludes);
}
$job_object->substeps_done = 2;
$job_object->update_working_data();
$wp_plugin_dir = realpath(WP_PLUGIN_DIR);
if ($wp_plugin_dir && !empty($job_object->job['backupplugins']) && $job_object->substeps_done == 2) {
$wp_plugin_dir = trailingslashit(str_replace('\\', '/', $wp_plugin_dir));
$excludes = $this->get_exclude_dirs($wp_plugin_dir);
foreach ($job_object->job['backuppluginsexcludedirs'] as $folder) {
$excludes[] = trailingslashit($wp_plugin_dir . $folder);
}
$this->get_folder_list($job_object, $wp_plugin_dir, $excludes);
}
$job_object->substeps_done = 3;
$job_object->update_working_data();
$theme_root = realpath(get_theme_root());
if ($theme_root && !empty($job_object->job['backupthemes']) && $job_object->substeps_done == 3) {
$theme_root = trailingslashit(str_replace('\\', '/', $theme_root));
$excludes = $this->get_exclude_dirs($theme_root);
foreach ($job_object->job['backupthemesexcludedirs'] as $folder) {
$excludes[] = trailingslashit($theme_root . $folder);
}
$this->get_folder_list($job_object, $theme_root, $excludes);
}
$job_object->substeps_done = 4;
$job_object->update_working_data();
$upload_dir = realpath(BackWPup_File::get_upload_dir());
if ($upload_dir && !empty($job_object->job['backupuploads']) && $job_object->substeps_done == 4) {
$upload_dir = trailingslashit(str_replace('\\', '/', $upload_dir));
$excludes = $this->get_exclude_dirs($upload_dir);
foreach ($job_object->job['backupuploadsexcludedirs'] as $folder) {
$excludes[] = trailingslashit($upload_dir . $folder);
}
$this->get_folder_list($job_object, $upload_dir, $excludes);
}
$job_object->substeps_done = 5;
$job_object->update_working_data();
//include dirs
if ($job_object->job['dirinclude'] && $job_object->substeps_done == 5) {
$dirinclude = explode(',', $job_object->job['dirinclude']);
$dirinclude = array_unique($dirinclude);
//Crate file list for includes
foreach ($dirinclude as $dirincludevalue) {
if (is_dir($dirincludevalue)) {
$this->get_folder_list($job_object, $dirincludevalue);
}
}
}
$job_object->substeps_done = 6;
$job_object->update_working_data();
//save folder list
$this->folers_to_backup = array_unique($this->folers_to_backup);
sort($this->folers_to_backup);
$job_object->data_storage('folder', $this->folers_to_backup);
$job_object->count_folder = count($this->folers_to_backup);
$job_object->update_working_data();
//add extra files if selected
if (!empty($job_object->job['backupspecialfiles'])) {
if (is_readable(ABSPATH . 'wp-config.php') && empty($job_object->job['backuproot'])) {
$job_object->additional_files_to_backup[] = str_replace('\\', '/', ABSPATH . 'wp-config.php');
$job_object->count_files++;
$job_object->count_filesize = $job_object->count_filesize + @filesize(ABSPATH . 'wp-config.php');
$job_object->log(sprintf(__('Added "%s" to backup file list', 'backwpup'), 'wp-config.php'));
} elseif (BackWPup_File::is_in_open_basedir(dirname(ABSPATH) . '/wp-config.php')) {
if (is_readable(dirname(ABSPATH) . '/wp-config.php') && !is_readable(dirname(ABSPATH) . '/wp-settings.php')) {
$job_object->additional_files_to_backup[] = str_replace('\\', '/', dirname(ABSPATH) . '/wp-config.php');
$job_object->count_files++;
$job_object->count_filesize = $job_object->count_filesize + @filesize(dirname(ABSPATH) . '/wp-config.php');
$job_object->log(sprintf(__('Added "%s" to backup file list', 'backwpup'), 'wp-config.php'));
}
}
if (is_readable(ABSPATH . '.htaccess') && empty($job_object->job['backuproot'])) {
$job_object->additional_files_to_backup[] = str_replace('\\', '/', ABSPATH . '.htaccess');
$job_object->count_files++;
$job_object->count_filesize = $job_object->count_filesize + @filesize(ABSPATH . '.htaccess');
$job_object->log(sprintf(__('Added "%s" to backup file list', 'backwpup'), '.htaccess'));
}
if (is_readable(ABSPATH . '.htpasswd') && empty($job_object->job['backuproot'])) {
$job_object->additional_files_to_backup[] = str_replace('\\', '/', ABSPATH . '.htpasswd');
$job_object->count_files++;
$job_object->count_filesize = $job_object->count_filesize + @filesize(ABSPATH . '.htpasswd');
$job_object->log(sprintf(__('Added "%s" to backup file list', 'backwpup'), '.htpasswd'));
}
if (is_readable(ABSPATH . 'robots.txt') && empty($job_object->job['backuproot'])) {
$job_object->additional_files_to_backup[] = str_replace('\\', '/', ABSPATH . 'robots.txt');
$job_object->count_files++;
$job_object->count_filesize = $job_object->count_filesize + @filesize(ABSPATH . 'robots.txt');
$job_object->log(sprintf(__('Added "%s" to backup file list', 'backwpup'), 'robots.txt'));
}
if (is_readable(ABSPATH . 'favicon.ico') && empty($job_object->job['backuproot'])) {
$job_object->additional_files_to_backup[] = str_replace('\\', '/', ABSPATH . 'favicon.ico');
$job_object->count_files++;
$job_object->count_filesize = $job_object->count_filesize + @filesize(ABSPATH . 'favicon.ico');
$job_object->log(sprintf(__('Added "%s" to backup file list', 'backwpup'), 'favicon.ico'));
}
}
if ($job_object->count_folder == 0 && count($job_object->additional_files_to_backup) == 0) {
$job_object->log(__('No files/folder for the backup.', 'backwpup'), E_USER_WARNING);
} elseif ($job_object->count_folder > 1) {
$job_object->log(sprintf(__('%1$d folders to backup.', 'backwpup'), $job_object->count_folder));
}
$job_object->substeps_done = 7;
return TRUE;
}
