AWS对S3桶里的文件设置签名验证，过期时间等_aws 图片签名时间

AWS 可以对S3桶的文件设置访问权限，当设置不公开访问的时候，又要让用户可以查看，那么就需要用到设置临时访问权限了

亚马逊 CloudFront 网址进行签名

    /**
     * CDN域名使用
     * 给某个文件设置临时过期时间的url
     * @param $filePath
     * @return mixed|string
     * @author wzb
     * @data 2024/5/30
     */
    static function ossAwsUrlSign($filePath = '', $expiresTime = 60)
    {
        if (empty($filePath)) {
            return $filePath;
        }
        $configOss = config('aws_oss');
        $configOss = $configOss['video'] ?? [];
        $accessKeyId = $configOss['accessKeyId'] ?? '';  // 你的AccessKeyId
        $accessKeySecret = $configOss['accessKeySecret'] ?? '';  // 你的AccessKeySecret
        $region = $configOss['region'] ?? ''; // 你的Bucket所在地域的域名
        $bucket = $configOss['bucket'] ?? ''; // 你的Bucket名字
        $ossDomain = $configOss['oss_domain'] ?? '';  // CDN域名
        if (empty($accessKeyId) || empty($accessKeySecret) || empty($region) || empty($bucket)) {
            return '';
        }
        $resourceKey = $ossDomain . $filePath;
        $expires = time() + $expiresTime; // 5 minutes (5 * 60 seconds) from now.
        $privateKey = ROOT_PATH . "oss/aws_s3/private_key.pem";
        $keyPairId = 'K2****ADPC';

        $stsClient = new StsClient([
            'version' => 'latest',//版本
            'region' => $region,//区域
            'credentials' => new Credentials(
                $accessKeyId,//Access key ID
                $accessKeySecret,//Secret access key
            ),
        ]);
        $result = $stsClient->getSessionToken();
        $cloudFrontClient = new CloudFrontClient([
            'version' => 'latest',//版本
            'region' => $region,//区域
            'credentials' => [
                'key' => $result['Credentials']['AccessKeyId'],
                'secret' => $result['Credentials']['SecretAccessKey'],
                'token' => $result['Credentials']['SessionToken']
            ]
        ]);
        try {
            $result = $cloudFrontClient->getSignedUrl([
                'url' => $resourceKey,
                'expires' => $expires,
                'private_key' => $privateKey,
                'key_pair_id' => $keyPairId
            ]);

            return $result;
        } catch (AwsException $e) {
            return 'Error: ' . $e->getAwsErrorMessage();
        }
    }
	// CDN域名使用
	// 给用户临时的cookie访问权限
    static function ossAwsUrlCookie($resourceKey)
    {
        if (empty($resourceKey)) {
            return $resourceKey;
        }
        $configOss = config('aws_oss');
        $configOss = $configOss['video'] ?? [];
        $accessKeyId = $configOss['accessKeyId'] ?? '';  // 你的AccessKeyId
        $accessKeySecret = $configOss['accessKeySecret'] ?? '';  // 你的AccessKeySecret
        $region = $configOss['region'] ?? ''; // 你的Bucket所在地域的域名
        $bucket = $configOss['bucket'] ?? ''; // 你的Bucket名字
        $ossDomain = $configOss['oss_domain'] ?? '';
        if (empty($accessKeyId) || empty($accessKeySecret) || empty($region) || empty($bucket)) {
            return [];
        }
        $expires = time() + 300; // 5 minutes (5 * 60 seconds) from now.
        $privateKey = ROOT_PATH . "oss/aws_s3/private_key.pem";
        $keyPairId = 'K2CKP307JZADPC';

        $stsClient = new StsClient([
            'version' => 'latest',//版本
            'region' => $region,//区域
            'credentials' => new Credentials(
                $accessKeyId,//Access key ID
                $accessKeySecret,//Secret access key
            ),
        ]);
        $result = $stsClient->getSessionToken();
        $cloudFrontClient = new CloudFrontClient([
            'version' => 'latest',//版本
            'region' => $region,//区域
            'credentials' => [
                'key' => $result['Credentials']['AccessKeyId'],
                'secret' => $result['Credentials']['SecretAccessKey'],
                'token' => $result['Credentials']['SessionToken']
            ]
        ]);
        try {
            $result = $cloudFrontClient->getSignedCookie([
                'url' => $ossDomain . $resourceKey,
                'expires' => $expires,
                'private_key' => $privateKey,
                'key_pair_id' => $keyPairId
            ]);
        	// 需要把返回的数据写入cookie里
            return $result;
        } catch (AwsException $e) {
            return ['Error' => $e->getAwsErrorMessage()];
        }
    }
  

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Amazon S3 预签名 URL

    /**
     * S3桶自带的域名使用
     * 生成临时链接-过期时间
     * @return string
     * @author wzb
     * @data 2024/5/30
     */
    static function ossAwsUrlExpires($filePath = '')
    {
        $configOss = config('aws_oss');
        $configOss = $configOss['video'] ?? [];
        $accessKeyId = $configOss['accessKeyId'] ?? '';  // 你的AccessKeyId
        $accessKeySecret = $configOss['accessKeySecret'] ?? '';  // 你的AccessKeySecret
        $region = $configOss['region'] ?? ''; // 你的Bucket所在地域的域名
        $bucket = $configOss['bucket'] ?? ''; // 你的Bucket名字
        if (empty($accessKeyId) || empty($accessKeySecret) || empty($region) || empty($bucket)) {
            return '';
        }
        //实例化
        $s3Client = new S3Client([
            'version' => 'latest',//版本
            'region' => $region,//区域
            'credentials' => new Credentials(
                $accessKeyId,//Access key ID
                $accessKeySecret,//Secret access key
            ),
        ]);
        $cmd = $s3Client->getCommand('GetObject', [
            'Bucket' => $bucket,
            'Key' => $filePath
        ]);

//        $request = $s3Client->createPresignedRequest($cmd, '+1 minutes');
        $request = $s3Client->createPresignedRequest($cmd, '+20 second');
        $presignedUrl = (string)$request->getUri();
        return $presignedUrl;
    }
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