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PHP生成 `signature` Demo

<?php

class Alioss

{

    protected $AccessKeySecret = 'saf2*******************sdkfenr';

    /**

     * get signature

     *

     * @return String

     */

    public function getSignature()

    {

        $now = time();

        $expire = 10; //设置该policy超时时间是10s. 即这个policy过了这个有效时间，将不能访问

        $end = $now + $expire;

        $expiration = $this->gmt_iso8601($end);

        $dir = '/uploads/'.date('Ym',time()).'/';

        $conditions = [

            ['content-length-range', 0, 1048576000],

            ['starts-with', '$key', $dir],

        ];

        $arr = [

            'expiration'=>$expiration,

            'conditions'=>$conditions,

        ];

        $policy = json_encode($arr);

        $base64_policy = base64_encode($policy);

        $string_to_sign = $base64_policy;

        $signature = base64_encode(hash_hmac('sha1', $string_to_sign, $this->$AccessKeySecret, true));

        return $signature;

    }

    private function gmt_iso8601($time) {

        $dtStr = date("c", $time);

        $mydatetime = new \DateTime($dtStr);

        $expiration = $mydatetime->format(\DateTime::ISO8601);

        $pos = strpos($expiration, '+');

        $expiration = substr($expiration, 0, $pos);

        return $expiration."Z";

    }

}

巴特西

Web端直传数据至OSS

最佳实践

PHP生成 `signature` Demo

最新文章

热门文章

巴特西

Web端直传数据至OSS

最佳实践

PHP生成 signature Demo

最新文章

热门文章

PHP生成 `signature` Demo