Function fr_detect_base_path

config/config.php:565–597

()

}

function fr_detect_base_path()
{
    // 1) Explicit env override
    $env = getenv('FR_BASE_PATH');
    if ($env !== false && trim((string)$env) !== '') {
        return fr_normalize_base_path($env);
    }

    // 2) Reverse proxies often provide this
    $xfp = $_SERVER['HTTP_X_FORWARDED_PREFIX'] ?? '';
    if (is_string($xfp) && trim($xfp) !== '') {
        return fr_normalize_base_path($xfp);
    }

    // 3) If deployed in a real subdirectory (not stripped by proxy),
    //    SCRIPT_NAME/REQUEST_URI will include the prefix (e.g. /fr/api/...).
    $candidates = [];
    if (!empty($_SERVER['SCRIPT_NAME']) && is_string($_SERVER['SCRIPT_NAME'])) $candidates[] = $_SERVER['SCRIPT_NAME'];
    if (!empty($_SERVER['REQUEST_URI']) && is_string($_SERVER['REQUEST_URI'])) {
        $path = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
        if (is_string($path) && $path !== '') $candidates[] = $path;
    }

    foreach ($candidates as $p) {
        if (preg_match('~^(.*)/api(?:/|\\.php$)~i', $p, $m)) return fr_normalize_base_path($m[1]);
        if (preg_match('~^(.*)/webdav\\.php$~i', $p, $m)) return fr_normalize_base_path($m[1]);
        if (preg_match('~^(.*)/index\\.html$~i', $p, $m)) return fr_normalize_base_path($m[1]);
        if (preg_match('~^(.*)/portal-login\\.html$~i', $p, $m)) return fr_normalize_base_path($m[1]);
        if (preg_match('~^(.*)/portal\\.html$~i', $p, $m)) return fr_normalize_base_path($m[1]);
    }

    return '';
}

if (!defined('FR_BASE_PATH')) {
    define('FR_BASE_PATH', fr_detect_base_path());