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// SPDX-License-Identifier: MIT OR Apache-2.0
// This file is part of Static Web Server.
// See https://static-web-server.net/ for more information
// Copyright (C) 2019-present Jose Quintana <joseluisq.net>

//! Module that allows to rewrite request URLs with pattern matching support.
//!

use hyper::{header::HOST, HeaderMap};
use std::path::PathBuf;

use crate::settings::VirtualHosts;

/// It returns different root dir if the "Host" header matches a virtual hostname.
pub fn get_real_root<'a>(
    vhosts_vec: &'a Option<Vec<VirtualHosts>>,
    headers: &HeaderMap,
) -> Option<&'a PathBuf> {
    if let Some(vhosts) = vhosts_vec {
        if let Ok(host_str) = headers.get(HOST)?.to_str() {
            for vhost in vhosts {
                if vhost.host == host_str {
                    return Some(&vhost.root);
                }
            }
        }
    }
    None
}