[开发测试]华为云上传文件生成签名

use Obs\ObsClient;

/**
     * 上传图片
     * @param string $file
     */
    public function uploadImgAndFile($file)
    {

        // 创建ObsClient实例
        $obsClient = new ObsClient([
            'key' => sysconfig('upload', 'huaweioss_accessKey'),
            'secret' => sysconfig('upload', 'huaweioss_accessKeySecret'),
            'endpoint' => sysconfig('upload', 'huaweioss_endpoint')
        ]);
        $filename = 'upload/'.date('Y', time()).'/'. date('m', time()).'/'.date('d', time()).'/'.time().rand(1000, 9999).'.png';
        $resp = $obsClient->putObject([
            'Bucket' => sysconfig('upload', 'huaweioss_bucket'),//桶名
            'Key' => $filename,//文件名
            'SourceFile' => $file  // localfile为待上传的本地文件路径，需要指定到具体的文件名
        ]);
        if ($resp['Reason'] == 'OK') {
            $url =$resp['ObjectURL'];
            return $filename;
        } else {
            throw new ValidateException('上传失败');
        }
    }


    /**
     * 签名生成 前端上传需要
     * @param string $object 文件名
     * @param string $file_type 文件类型
     */
    public function obsSignature(){

        $object = 'upload/'.date('Y', time()).'/'. date('m', time()).'/'.date('d', time()).'/'.time().mt_rand(1000, 9999).'.png'; //文件名
        $file_type = 'image/png'; //文件类型 image/jpeg
        $obsClient = new ObsClient([ 
                'key' => sysconfig('upload', 'huaweioss_accessKey'),           //OBS 中的 AK
                'secret' => sysconfig('upload', 'huaweioss_accessKeySecret'),      //OBS 中的 SK
                'endpoint' => "https://" . sysconfig('upload', 'huaweioss_endpoint'), //注意实际的终点可能不同
                'signature' => 'obs',
        ]);

        // URL有效期，3600秒
        $expires = 3600;

        // 上传对象
        $resp = $obsClient->createPostSignature([ 
            'Bucket' => sysconfig('upload', 'huaweioss_bucket'),	//你自己的桶名（bucket)
            'Key' => $object,
            'Expires' => $expires,
            'FormParams' => [
                'x-obs-acl' => 'public-read',
                'content-type' => $file_type,
            ]
        ]);
        
        // printf($resp);
        $data['Accesskeyid'] = sysconfig('upload', 'huaweioss_accessKey');  //OBS 中的AK
        $data['Policy'] = $resp['Policy'];
        $data['Signature'] = $resp['Signature'];
        $data['Key'] = $object;
        $data['ContentType'] = $file_type;
        $data['huaweioss_region'] = "https://" . sysconfig('upload', 'huaweioss_region');
        return json_encode($data);
    }