/**
* Returns upload info
*
* @return array
*/
public static function upload_info()
{
static $upload_info = null;
if ($upload_info === null) {
$upload_info = Util_Environment::wp_upload_dir();
if (empty($upload_info['error'])) {
$parse_url = @parse_url($upload_info['baseurl']);
if ($parse_url) {
$baseurlpath = !empty($parse_url['path']) ? trim($parse_url['path'], '/') : '';
} else {
$baseurlpath = 'wp-content/uploads';
}
$upload_info['baseurlpath'] = '/' . $baseurlpath . '/';
} else {
$upload_info = false;
}
}
return $upload_info;
}
/**
* Generates rules for WP dir
*
* @param Config $config
* @return string
*/
private static function rules_generate_nginx($config)
{
$a = Util_Environment::wp_upload_dir();
$parse_url = @parse_url($a['baseurl']);
if (empty($parse_url['path'])) {
return '';
}
$uploads_path = $parse_url['path'];
$rules = W3TC_MARKER_BEGIN_FEEDBURNER . "\n";
$rules .= "if (\$http_user_agent ~* \"(FeedBurner)\") {\n";
$rules .= " rewrite ^{$uploads_path}/([0-9]+)/([0-9]+)/hotlink-ok/(.*)\$ {$uploads_path}/\$1/\$2/\$3 last;\n";
$rules .= "}\n";
$rules .= W3TC_MARKER_END_FEEDBURNER . "\n";
return $rules;
}
/**
* Convert local uri path to CDN type specific path
*
* @param unknown $local_uri_path
* @return string
*/
function uri_to_cdn_uri($local_uri)
{
$local_uri = ltrim($local_uri, '/');
$remote_uri = $local_uri;
if (Util_Environment::is_wpmu() && defined('DOMAIN_MAPPING') && DOMAIN_MAPPING) {
$remote_uri = str_replace(site_url(), '', $local_uri);
}
$engine = $this->_config->get_string('cdn.engine');
if (Cdn_Util::is_engine_mirror($engine)) {
if (Util_Environment::is_wpmu() && strpos($local_uri, 'files') === 0) {
$upload_dir = Util_Environment::wp_upload_dir();
$remote_uri = $this->abspath_to_relative_path(dirname($upload_dir['basedir'])) . '/' . $local_uri;
}
} elseif (Util_Environment::is_wpmu() && !Util_Environment::is_wpmu_subdomain() && Util_Environment::is_using_master_config() && Cdn_Util::is_engine_push($engine)) {
// in common config files are uploaded for network home url
// so mirror will not contain /subblog/ path in uri
$home = trim(home_url('', 'relative'), '/') . '/';
$network_home = trim(network_home_url('', 'relative'), '/') . '/';
if ($home != $network_home && substr($local_uri, 0, strlen($home)) == $home) {
$remote_uri = $network_home . substr($local_uri, strlen($home));
}
}
return ltrim($remote_uri, '/');
}
static function replace_folder_placeholders($file)
{
static $content_dir, $plugin_dir, $upload_dir;
if (empty($content_dir)) {
$content_dir = str_replace(Util_Environment::document_root(), '', WP_CONTENT_DIR);
$content_dir = substr($content_dir, strlen(Util_Environment::site_url_uri()));
$content_dir = trim($content_dir, '/');
if (defined('WP_PLUGIN_DIR')) {
$plugin_dir = str_replace(Util_Environment::document_root(), '', WP_PLUGIN_DIR);
$plugin_dir = trim($plugin_dir, '/');
} else {
$plugin_dir = str_replace(Util_Environment::document_root(), '', WP_CONTENT_DIR . '/plugins');
$plugin_dir = trim($plugin_dir, '/');
}
$upload_dir = Util_Environment::wp_upload_dir();
$upload_dir = str_replace(Util_Environment::document_root(), '', $upload_dir['basedir']);
$upload_dir = trim($upload_dir, '/');
}
$file = str_replace('{wp_content_dir}', $content_dir, $file);
$file = str_replace('{plugins_dir}', $plugin_dir, $file);
$file = str_replace('{uploads_dir}', $upload_dir, $file);
return $file;
}