shadowsocks5/init/library/qiniu/auth_digest.php

<?php

require_once("utils.php");
require_once("conf.php");

// ----------------------------------------------------------

class Qiniu_Mac
{

    public $AccessKey;
    public $SecretKey;

    public function __construct($accessKey, $secretKey)
    {
        $this->AccessKey = $accessKey;
        $this->SecretKey = $secretKey;
    }

    public function Sign($data) // => $token
    {
        $sign = hash_hmac('sha1', $data, $this->SecretKey, true);
        return $this->AccessKey . ':' . Qiniu_Encode($sign);
    }

    public function SignWithData($data) // => $token
    {
        $data = Qiniu_Encode($data);
        return $this->Sign($data) . ':' . $data;
    }

    public function SignRequest($req, $incbody) // => ($token, $error)
    {
        $url = $req->URL;
        $url = parse_url($url['path']);
        $data = '';
        if (isset($url['path'])) {
            $data = $url['path'];
        }
        if (isset($url['query'])) {
            $data .= '?' . $url['query'];
        }
        $data .= "\n";

        if ($incbody) {
            $data .= $req->Body;
        }
        return $this->Sign($data);
    }
}

function Qiniu_SetKeys($accessKey, $secretKey)
{
    global $QINIU_ACCESS_KEY;
    global $QINIU_SECRET_KEY;

    $QINIU_ACCESS_KEY = $accessKey;
    $QINIU_SECRET_KEY = $secretKey;
}

function Qiniu_RequireMac($mac) // => $mac
{
    if (isset($mac)) {
        return $mac;
    }

    global $QINIU_ACCESS_KEY;
    global $QINIU_SECRET_KEY;

    return new Qiniu_Mac($QINIU_ACCESS_KEY, $QINIU_SECRET_KEY);
}

function Qiniu_Sign($mac, $data) // => $token
{
    return Qiniu_RequireMac($mac)->Sign($data);
}

function Qiniu_SignWithData($mac, $data) // => $token
{
    return Qiniu_RequireMac($mac)->SignWithData($data);
}

// ----------------------------------------------------------