[PHP知识库]PHP实现阿里云HMAC-SHA1签名方法封装

以下是阿里签名机制的说明

以下是PHP具体实现方法封装

class register{

    static $AccessKeyId     = 'Your accessKeyId';
    static $AccessKeySecret = 'Your accessKeySecret';
    static $AliHost         = 'http://domain.aliyuncs.com/?';

    //查询域名
    public static function search($domain){
        $param = self::getCommonParams();
        $param['Action']  = 'CheckDomain';
        $param['DomainName'] = $domain;
        $param['Signature']  = self::getSignature($param);
        //echo $param['Timestamp'];exit;
    }

    //公共参数
    private static function getCommonParams(){
        date_default_timezone_set("GMT");
        $data = [
            'Format'           => 'JSON',
            'Version'          => '2016-05-11',
            'AccessKeyId'      => self::$AccessKeyId,
            'SignatureMethod'  => 'HMAC-SHA1',
            'Timestamp'        => date(DATE_ISO8601),//'2021-08-09T08:27:00Z',//,
            'SignatureVersion' => '1.0',
            'SignatureNonce'   => microtime(),
        ];
        return $data;
    }


    private static function percentEncode($str)
    {
        // 使用urlencode编码后，将"+","*","%7E"做替换即满足ECS API规定的编码规范
        $res = urlencode($str);
        $res = preg_replace('/\+/', '%20', $res);
        $res = preg_replace('/\*/', '%2A', $res);
        $res = preg_replace('/%7E/', '~', $res);
        return $res;
    }

    //生成签名
    private function getSignature($parameters)
    {
        // 将参数Key按字典顺序排序
        ksort($parameters);
        // 生成规范化请求字符串
        $canonicalizedQueryString = '';
        foreach($parameters as $key => $value)
        {
            $canonicalizedQueryString .= '&' .self::percentEncode($key)
                . '=' . self::percentEncode($value);
        }
        // 生成用于计算签名的字符串 stringToSign
        $stringToSign = 'GET&%2F&' . self::percentencode(substr($canonicalizedQueryString, 1));
        // 计算签名，注意accessKeySecret后面要加上字符'&'
        $signature = base64_encode(hash_hmac('sha1', $stringToSign, self::$AccessKeySecret . '&', true));
        return $signature;
    }


    /**
     * 模拟请求
     *
     * @param string $url
     * @param array  $query       POST内容
     * @param bool   $withHeader  是否返回头信息
     * @param array  $header      发送头信息
     * @return string
     * @throws Exception
     */
    public static function httpCurl($url, $query = [], $withHeader = false, $header = [])
    {

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

        if ($withHeader) {
            curl_setopt($ch, CURLOPT_HEADER, true);
        }

        if (!empty($query)) {
            curl_setopt($ch, CURLOPT_POST, true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($query));
        }

        if (!empty($header)) {
            curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
        }

        $response = curl_exec($ch);
        $errorNo  = curl_errno($ch);

        is_resource($ch) && curl_close($ch);

        if (0 !== $errorNo) {
            throw new \Exception('curl error,errno:'.$errorNo);
        }
        return $response;
    }
}