server.php

<?php
 
namespace Bitrix\Main;
 
use Bitrix\Main\Type\ParameterDictionary;
use Bitrix\Main\Text\Encoding;
 
class Server extends ParameterDictionary
{
    public function __construct(array $arServer)
    {
        if (isset($arServer["DOCUMENT_ROOT"]))
            $arServer["DOCUMENT_ROOT"] = rtrim($arServer["DOCUMENT_ROOT"], "/\\");
 
        parent::__construct($arServer);
    }
 
    public function addFilter(Type\IRequestFilter $filter)
    {
        $filteredValues = $filter->filter($this->values);
 
        if ($filteredValues != null)
            $this->setValuesNoDemand($filteredValues);
    }
 
    public function getDocumentRoot()
    {
        return $this->get("DOCUMENT_ROOT");
    }
 
    public function getPersonalRoot()
    {
        $r = $this->get("BX_PERSONAL_ROOT");
        if ($r == null || $r == "")
            $r = "/bitrix";
 
        return $r;
    }
 
    public function getHttpHost()
    {
        return $this->get("HTTP_HOST");
    }
 
    public function getServerName()
    {
        return $this->get("SERVER_NAME");
    }
 
    public function getServerAddr()
    {
        return $this->get("SERVER_ADDR");
    }
 
    public function getRemoteAddr()
    {
        return $this->get("REMOTE_ADDR");
    }
 
    public function getUserAgent()
    {
        return $this->get("HTTP_USER_AGENT");
    }
 
    public function getServerPort()
    {
        return $this->get("SERVER_PORT");
    }
 
    public function getRequestScheme()
    {
        return $this->get("REQUEST_SCHEME");
    }
 
    public function getRequestUri()
    {
        return $this->get("REQUEST_URI");
    }
 
    public function getRequestMethod()
    {
        return $this->get("REQUEST_METHOD");
    }
 
    public function getPhpSelf()
    {
        return $this->get("PHP_SELF");
    }
 
    public function getScriptName()
    {
        return $this->get("SCRIPT_NAME");
    }
 
    public function rewriteUri($url, $queryString, $redirectStatus = null)
    {
        $this->values["REQUEST_URI"] = $url;
        $this->values["QUERY_STRING"] = $queryString;
        if ($redirectStatus != null)
            $this->values["REDIRECT_STATUS"] = $redirectStatus;
    }
 
    public function transferUri($url, $queryString = "")
    {
        $this->values["REAL_FILE_PATH"] = $url;
        if ($queryString != "")
        {
            if (!isset($this->values["QUERY_STRING"]))
                $this->values["QUERY_STRING"] = "";
            if (isset($this->values["QUERY_STRING"]) && ($this->values["QUERY_STRING"] != ""))
                $this->values["QUERY_STRING"] .= "&";
            $this->values["QUERY_STRING"] .= $queryString;
        }
    }
 
    public function parseAuthRequest()
    {
        $digest = '';
 
        if ($this['PHP_AUTH_USER'] != '')
        {
            // Basic Authorization PHP module
            return [
                'basic' => [
                    'username' => Encoding::convertEncodingToCurrent($this['PHP_AUTH_USER']),
                    'password' => Encoding::convertEncodingToCurrent($this['PHP_AUTH_PW']),
                ]
            ];
        }
        elseif ($this['PHP_AUTH_DIGEST'] != '')
        {
            // Digest Authorization PHP module
            $digest = $this['PHP_AUTH_DIGEST'];
        }
        else
        {
            if ($this['REDIRECT_REMOTE_USER'] !== null || $this['REMOTE_USER'] !== null)
            {
                $res = $this['REDIRECT_REMOTE_USER'] ?? $this['REMOTE_USER'];
                if ($res != '')
                {
                    if(preg_match('/^\x20*Basic\x20+([a-zA-Z0-9+\/=]+)\s*$/D', $res, $matches))
                    {
                        // Basic Authorization PHP FastCGI (CGI)
                        $res = trim($matches[1]);
                        $res = base64_decode($res);
                        $res = Encoding::convertEncodingToCurrent($res);
                        [$user, $pass] = explode(':', $res, 2);
                        if (mb_strpos($user, $this['HTTP_HOST']."\\") === 0)
                        {
                            $user = str_replace($this['HTTP_HOST']."\\", "", $user);
                        }
                        elseif (mb_strpos($user, $this['SERVER_NAME']."\\") === 0)
                        {
                            $user = str_replace($this['SERVER_NAME']."\\", "", $user);
                        }
 
                        return [
                            'basic' => [
                                'username' => $user,
                                'password' => $pass,
                            ]
                        ];
                    }
                    elseif (preg_match('/^\x20*Digest\x20+(.*)$/sD', $res, $matches))
                    {
                        // Digest Authorization PHP FastCGI (CGI)
                        $digest = trim($matches[1]);
                    }
                }
            }
        }
 
        if($digest <> '' && ($data = static::parseDigest($digest)))
        {
            return ['digest' => $data];
        }
 
        return false;
    }
 
    protected static function parseDigest($digest)
    {
        $data = [];
        $parts = ['nonce' => 1, 'username' => 1, 'uri' => 1, 'response' => 1];
        $keys = implode('|', array_keys($parts));
 
        //from php help
        preg_match_all('@('.$keys.')=(?:([\'"])([^\2]+?)\2|([^\s,]+))@', $digest, $matches, PREG_SET_ORDER);
 
        foreach ($matches as $m)
        {
            $data[$m[1]] = ($m[3] ?: $m[4]);
            unset($parts[$m[1]]);
        }
 
        return ($parts? false : $data);
    }
}