使用七牛云、阿里云、腾讯云的对象存储上传文件

 说明：存在部分步骤省略的情况，请根据具体文档进行操作

 下载相关sdk

composer require qiniu/php-sdk

composer require aliyuncs/oss-sdk-php
composer require alibabacloud/sts-20150401

composer require qcloud/cos-sdk-v5
composer require qcloud_sts/qcloud-sts-sdk

# 如果不需要，请移除，示例：
# composer remove qcloud_sts/qcloud-sts-sdk

use Qiniu\Auth;
use AlibabaCloud\SDK\Sts\V20150401\Sts;
use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Sts\V20150401\Models\AssumeRoleRequest;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;

require_once __DIR__ . 'vendor/autoload.php';

class oss
{
    public function qiniuPolicy()
    {
        $domain = ''; // 访问oss文件的域名
        $bucket = ''; // 空间名称
        $accessKey = '';
        $secretKey = '';
        $endpoint = ''; // 上传文件的地址，例如：https://up-z2.qiniup.com
        $prefix = ''; // 指定bucket目录前缀
        $dir = $prefix . '/' . date('Ymd') . '/'; // 按日期上传到指定目录

        $expire = time() + 3600;
        $policyArr = [
            'scope' => $bucket,
            'deadline' => $expire,
            'fsizeMin' => 1,
            'fsizeLimit' => 10 * 1024 * 1024,
        ];

        $auth = new Auth($accessKey, $secretKey);
        $token = $auth->uploadToken($bucket, null, 3600, $policyArr);
        if (empty($token)) {
            return [];
        }

        return [
            'endpoint' => $endpoint,
            'host' => $domain,
            'accessId' => '',
            'policy' => '',
            'signature' => '',
            'token' => $token,
            'expire' => $expire,
            'keyTime' => '',
            'algorithm' => '',
            'dir' => $dir,
        ];
    }

    public function aliPolicy()
    {
        // https://help.aliyun.com/zh/oss/use-cases/obtain-signature-information-from-the-server-and-upload-data-to-oss

        $domain = ''; // 访问oss文件的域名
        $bucket = ''; // 空间名称
        $accessKey = '';
        $secretKey = '';
        $endpoint = ''; // 上传文件的地址，例如：https://{bucket名称}.oss-cn-shenzhen.aliyuncs.com
        $prefix = ''; // 指定bucket目录前缀
        $dir = $prefix . '/' . date('Ymd') . '/'; // 按日期上传到指定目录

        // https://help.aliyun.com/zh/oss/developer-reference/postobject#section-d5z-1ww-wdb
        $expire = time() + 3600;
        $policyArr = [
            'expiration' => date('Y-m-d\TH:i:s.000\Z', $expire),
            'conditions' => [
                ['bucket' => $bucket],
                ['content-length-range', 1, 10 * 1024 * 1024],
            ]
        ];
        $policy = base64_encode(json_encode($policyArr));

        // https://help.aliyun.com/zh/oss/developer-reference/postobject#section-wny-mww-wdb
        $signature = base64_encode(hash_hmac('sha1', $policy, $secretKey, true));

        return [
            'endpoint' => $endpoint,
            'host' => $domain,
            'accessId' => $accessKey,
            'policy' => $policy,
            'signature' => $signature,
            'token' => '',
            'expire' => $expire,
            'keyTime' => '',
            'algorithm' => '',
            'dir' => $dir,
        ];
    }

    public function aliSts()
    {
        // https://help.aliyun.com/zh/oss/developer-reference/authorize-access-2

        try {
            // 填写步骤1创建的RAM用户AccessKey。
            $config = new Config([
                "accessKeyId" => "【填写】",
                "accessKeySecret" => "【填写】"
            ]);
            //
            $config->endpoint = "【填写】"; // sts.cn-hangzhou.aliyuncs.com
            $client =  new Sts($config);

            $assumeRoleRequest = new AssumeRoleRequest([
                // roleArn填写步骤2获取的角色ARN，例如acs:ram::175708322470****:role/ramtest。
                "roleArn" => "【填写】",
                // roleSessionName用于自定义角色会话名称，用来区分不同的令牌，例如填写为sessiontest。
                "roleSessionName" => "【填写】",
                // durationSeconds用于设置临时访问凭证有效时间单位为秒，最小值为900，最大值以当前角色设定的最大会话时间为准。本示例指定有效时间为3000秒。
                "durationSeconds" => 3000,
                // policy填写自定义权限策略，用于进一步限制STS临时访问凭证的权限。如果不指定Policy，则返回的STS临时访问凭证默认拥有指定角色的所有权限。
                // 临时访问凭证最后获得的权限是步骤4设置的角色权限和该Policy设置权限的交集。
                // "policy" => ""
            ]);
            $runtime = new RuntimeOptions([]);
            $result = $client->assumeRoleWithOptions($assumeRoleRequest, $runtime);
            //printf("AccessKeyId:" . $result->body->credentials->accessKeyId. PHP_EOL);
            //printf("AccessKeySecret:".$result->body->credentials->accessKeySecret.PHP_EOL);
            //printf("Expiration:".$result->body->credentials->expiration.PHP_EOL);
            //printf("SecurityToken:".$result->body->credentials->securityToken.PHP_EOL);
        }catch (Exception $e){
            // printf($e->getMessage() . PHP_EOL);
            return [];
        }
        
        return $result;
    }

    public function qcloudPolicy()
    {
        // https://cloud.tencent.com/document/product/436/14690

        $domain = ''; // 访问oss文件的域名
        $bucket = ''; // 空间名称
        $accessKey = '';
        $secretKey = '';
        $endpoint = ''; // 上传文件的地址，例如：https://{bucket名称}.cos.ap-guangzhou.myqcloud.com
        $prefix = ''; // 指定bucket目录前缀
        $dir = $prefix . '/' . date('Ymd') . '/'; // 按日期上传到指定目录

        $algorithm = 'sha1';

        $startTime = time();
        $endTime = time() + 3600;
        $expiration = date('Y-m-d\TH:i:s.000\Z', $endTime);
        $keyTime = implode(';', [$startTime, $endTime]);

        $policyArr = [
            'expiration' => $expiration,
            'conditions' => [
                ['acl' => 'default'],
                ['bucket' => $bucket],
                ['q-sign-algorithm' => $algorithm],
                ['q-ak' => $secretId],
                ['q-sign-time' => $keyTime]
            ]
        ];
        $policy = base64_encode(json_encode($policyArr));

        $signKey = hash_hmac($algorithm, $keyTime, $secretKey);
        $stringToSign = sha1(json_encode($policyArr));
        $signature = hash_hmac($algorithm, $stringToSign, $signKey);

        return [
            'endpoint' => $endpoint,
            'host' => $domain,
            'accessId' => $secretId,
            'policy' => $policy,
            'signature' => $signature,
            'token' => '',
            'expire' => $endTime,
            'keyTime' => $keyTime,
            'algorithm' => $algorithm,
            'dir' => $dir,
        ];
    }

    public function qcloudSts()
    {
        // https://cloud.tencent.com/document/product/436/14048
        // https://github.com/tencentyun/qcloud-cos-sts-sdk/blob/master/php/demo/sts_test.php

        $domain = config('oss.qcloud_domain');
        $bucket = config('oss.qcloud_bucket');
        $secretId = config('oss.qcloud_access_key');
        $secretKey = config('oss.qcloud_secret_key');
        $endpoint = config('oss.qcloud_endpoint');
        $prefix = config('oss.qcloud_bucket_key_prefix');
        $dir = $prefix . '/' . date('Ymd') . '/';
        $region = 'ap-guangzhou';

        $sts = new \QCloud\COSSTS\Sts();
        $config = array(
            'url' => 'https://sts.tencentcloudapi.com/', // url和domain保持一致
            'domain' => 'sts.tencentcloudapi.com', // 域名，非必须，默认为 sts.tencentcloudapi.com
            'proxy' => '',
            'secretId' => $secretId, // 固定密钥,若为明文密钥，请直接以'xxx'形式填入，不要填写到getenv()函数中
            'secretKey' => $secretKey, // 固定密钥,若为明文密钥，请直接以'xxx'形式填入，不要填写到getenv()函数中
            'bucket' => $bucket, // 换成你的 bucket
            'region' => $region, // 换成 bucket 所在园区
            'durationSeconds' => 3600, // 密钥有效期
            'allowPrefix' => ['*'], // 这里改成允许的路径前缀，可以根据自己网站的用户登录态判断允许上传的具体路径，例子： a.jpg 或者 a/* 或者 * (使用通配符*存在重大安全风险, 请谨慎评估使用)
            // 密钥的权限列表。简单上传和分片需要以下的权限，其他权限列表请看 https://cloud.tencent.com/document/product/436/31923
            'allowActions' => array(
                // 简单上传
                'name/cos:PutObject',
                'name/cos:PostObject',
                // 分片上传
                'name/cos:InitiateMultipartUpload',
                'name/cos:ListMultipartUploads',
                'name/cos:ListParts',
                'name/cos:UploadPart',
                'name/cos:CompleteMultipartUpload'
            ),
            // 临时密钥生效条件，关于condition的详细设置规则和COS支持的condition类型可以参考 https://cloud.tencent.com/document/product/436/71306
            'condition' => []
        );

        // 获取临时密钥，计算签名
        $tempKeys = $sts->getTempKeys($config);
        return $tempKeys ?: [];

/**
数据如下：
{
  "expiredTime": 1691169303,
  "expiration": "2023-08-04T17:15:03Z",
  "credentials": {
    "sessionToken": "",
    "tmpSecretId": "",
    "tmpSecretKey": ""
  },
  "requestId": "6b274db5-a86b-4e27-a0e9-50f8ae1832f4",
  "startTime": 1691165703
}
*/
    }
}

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