<?php

namespace app\base\controller\oss\admin;

use app\BaseController;
use think\App;

class Oss extends BaseController
{
    /**
     * 格式话上传文件名
     * @param $name
     * @return mixed
     */
    private function uploadNameHandel($name)
    {
        //+过滤
        $name = str_replace("+", "", $name);
        //空格过滤
        $name = str_replace(' ', '', $name);
        return $name;
    }

    private function gmtIso8601($time)
    {
        $dtStr = date("c", $time);
        $pos = strpos($dtStr, '+');
        $expiration = substr($dtStr, 0, $pos);
        return $expiration . ".000Z";
    }

    /**
     * 上传图片
     * @date 2020-09-17
     */
    public function getOssParam()
    {
        $is_original_name = input('post.is_original_name/d', 0);
        $file_path = input('post.file_path/s', '');
        $file_path = $this->uploadNameHandel($file_path);

        $oss_param = get_ali_oss_config();
        $oss_config = $oss_param;

        $protocol = getProtocol();
        $accessKeyId = $oss_config['access_key_id'];
        $accessKeySecret = $oss_config['access_key_secret'];
        $bucketDefaultDomain = $oss_config['bucket_default_url'];
        $showUrlDomain = $oss_config['show_url'] . '/';
        $projectName = config('database.connections.mysql.database');


        if (empty($is_original_name)) {
            $file_name = date('Ymd') . '/' . md5(microtime(true));
        } else {
            $file_name = '';
        }

        $callback_param = array(
            'callbackUrl' => 'https://ym2.jucheng01.net/' . 'member/Oss/fileCallBack',
            'callbackBody' => 'bucket=${bucket}&object=${object}&show_url_domain=${show_url_domain}',
            'callbackBodyType' => "application/x-www-form-urlencoded"
        );
        //var_dump($callback_param);die;
        $callback_string = json_encode($callback_param);
        $base64_callback_body = base64_encode($callback_string);

        $now = time();
        $expire = 30;  //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 = $this->gmtIso8601($end);

        $conditions = [
            // 上传Object的最小和最大允许大小
            array(0 => 'content-length-range', 1 => 0, 2 => 1048576000),//最大文件大小.用户可以自己设置
            array(0 => 'starts-with', 1 => '$key', 2 => $projectName)// 表示用户上传的数据，必须是以$dir开始，不然上传会失败，这一步不是必须项，只是为了安全起见，防止用户通过policy上传到别人的目录。
        ];
        $policy = array('expiration' => $expiration, 'conditions' => $conditions);
        $policy = json_encode($policy);
        $base64_policy = base64_encode($policy);

        $string_to_sign = $base64_policy;
        $signature = base64_encode(hash_hmac('sha1', $string_to_sign, $accessKeySecret, true));

        $response = array();
        $response['accessid'] = $accessKeyId;
        $response['host'] = $bucketDefaultDomain;
        $response['showUrlDomain'] = $showUrlDomain;
        $response['policy'] = $base64_policy;
        $response['signature'] = $signature;
        $response['expire'] = $end;
        $response['callback'] = $base64_callback_body;
        $response['dir'] = empty($file_path) ? $projectName . '/uid' . 2 . '/member/' . $file_name : $file_path . date('YmdHis');  // 这个参数是设置用户上传文件时指定的前缀。


        return sendSuccessMessage($response);
    }

    /**
     * 本地图片转oss
     * @param $param ['url'] 本地路径
     * @date 2022-12-05
     */
    public function ossload()
    {
        $param = input('post.');
        $oss_param = get_ali_oss_config(2);

        $oss_class = new \ali\oss\Oss($oss_param);

        $oss_file_dirname = 'uid' . 2 . '/ueditor/' . date("Ymd");

        $oss = $oss_class->uploadFile('.' . $param['url'], $oss_file_dirname);
        $url = $oss['url'];

        return sendSuccessMessage(['url' => $url]);
    }
}