function forum_get_content_delivery_path($file_path)
{
static $content_delivery_domain_index = -1;
static $content_delivery_domains_array = false;
static $content_delivery_files_array = array();
if (!is_array($content_delivery_domains_array)) {
$content_delivery_domains_array = explode("\n", forum_get_setting('content_delivery_domains'));
$content_delivery_domains_array = array_map('trim', $content_delivery_domains_array);
$content_delivery_domains_array = array_values(array_filter($content_delivery_domains_array));
}
if (sizeof($content_delivery_domains_array) < 1) {
return false;
}
if (isset($content_delivery_files_array[$file_path])) {
return $content_delivery_files_array[$file_path];
}
$content_delivery_domain_index++;
if (isset($content_delivery_domains_array[$content_delivery_domain_index])) {
$content_delivery_files_array[$file_path] = $content_delivery_domains_array[$content_delivery_domain_index];
return preg_replace('/^http(s)?:\\/\\//', '', $content_delivery_files_array[$file_path]);
}
$content_delivery_domain_index = -1;
return forum_get_content_delivery_path($file_path);
}
function html_get_forum_file_path($file_path, $allow_cdn = true)
{
// Cache of requested file paths.
static $file_path_cache_array = array();
// Check if the path is in the cache.
if (!isset($file_path_cache_array[$file_path])) {
// Get the BH_FORUM_PATH prefix.
$forum_path = server_get_forum_path();
// HTTP schema
$http_scheme = isset($_SERVER['HTTPS']) && mb_strtolower($_SERVER['HTTPS']) == 'on' ? 'https' : 'http';
// Disable CDN for everything but CSS, icons, images and Javascript
if ($url_file_path = @parse_url($file_path, PHP_URL_PATH)) {
$allow_cdn = preg_match('/\\.png$|\\.css$|\\.ico$|\\.js$/Diu', $url_file_path) > 0 ? $allow_cdn : false;
}
// If CDN is allowed, get the CDN path including the domain.
if ($allow_cdn === true && ($cdn_domain = forum_get_content_delivery_path($file_path))) {
$final_file_path = sprintf('%s://%s/%s', $http_scheme, trim($cdn_domain, '/'), ltrim($file_path, '/'));
} else {
$final_file_path = preg_replace('/^.\\//', '', sprintf('%s/%s', $forum_path, ltrim($file_path, '/')));
}
// Add final file path to the cache.
$file_path_cache_array[$file_path] = $final_file_path;
}
// Return the cached entry.
return $file_path_cache_array[$file_path];
}
