. '" />';
    }

    /**
     * Returns the storage type icon url.
     *
     * @return string The icon url
     */
    protected static function getIconUrl()
    {
        return DUPLICATOR_PRO_IMG_URL . '/aws.svg';
    }


    /**
     * Returns the storage type name.
     *
     * @return string
     */
    public static function getStypeName()
    {
        return __('Amazon S3', 'duplicator-pro');
    }

    /**
     * Get priority, used to sort storages.
     * 100 is neutral value, 0 is the highest priority
     *
     * @return int
     */
    public static function getPriority()
    {
        return 150;
    }

    /**
     * Get storage location string
     *
     * @return string
     */
    public function getLocationString()
    {
        $params = [
            'region' => $this->config['region'],
            'bucket' => $this->config['bucket'],
            'prefix' => $this->getStorageFolder(),
        ];

        return 'https://console.aws.amazon.com/s3/home' . '?' . http_build_query($params);
    }

    /**
     * Returns an html anchor tag of location
     *
     * @return string Returns an html anchor tag with the storage location as a hyperlink.
     *
     * @example
     * OneDrive Example return
     * <a target="_blank" href="https://1drv.ms/f/sAFrQtasdrewasyghg">https://1drv.ms/f/sAFrQtasdrewasyghg</a>
     */
    public function getHtmlLocationLink()
    {
        return '<a href="' . esc_url($this->getLocationString()) . '" target="_blank" >' . esc_html($this->getLocationLabel()) . '</a>';
    }

    /**
     * Returns the storage location label.
     *
     * @return string The storage location label
     */
    protected function getLocationLabel()
    {
        return 's3://' . $this->config['bucket'] . $this->getStorageFolder();
    }

    /**
     * Check if storage is supported
     *
     * @return bool
     */
    public static function isSupported()
    {
        return SnapUtil::isCurlEnabled(true, true);
    }

    /**
     * Get supported notice, displayed if storage isn't supported
     *
     * @return string html string or empty if storage is supported
     */
    public static function getNotSupportedNotice()
    {
        if (static::isSupported()) {
            return '';
        }

        if (!SnapUtil::isCurlEnabled()) {
            $result = sprintf(
                __(
                    "The Storage %s requires the PHP cURL extension and related functions to be enabled.",
                    'duplicator-pro'
                ),
                static::getStypeName()
            );
        } elseif (!SnapUtil::isCurlEnabled(true, true)) {
            $result = sprintf(
                __(
                    "The Storage %s requires 'curl_multi_' type functions to be enabled. One or more are disabled on your server.",
                    'duplicator-pro'
                ),
                static::getStypeName()
            );
        } else {
            $result = sprintf(
                __(
                    'The Storage %s is not supported on this server.',
                    'duplicator-pro'
                ),
                static::getStypeName()
            );
        }

        return esc_html($result);
    }

    /**
     * Check if storage is valid
     *
     * @return bool Return true if storage is valid and ready to use, false otherwise
     */
    public function isValid()
    {
        return $this->getAdapter()->isValid();
    }

    /**
     * Render form config fields
     *
     * @param bool $echo Echo or return
     *
     * @return string
     */
    public function renderConfigFields($echo = true)
    {
        return TplMng::getInstance()->render(
            'amazons3addon/configs/amazon_s3',
            [
                'storage'        => $this,
                'maxPackages'    => $this->config['max_packages'],
                'storageFolder'  => $this->config['storage_folder'],
                'accessKey'      => $this->config['access_key'],
                'bucket'         => $this->config['bucket'],
                'region'         => $this->config['region'],
                'endpoint'       => $this->config['endpoint'],
                'secretKey'      => $this->config['secret_key'],
                'storageClass'   => $this->config['storage_class'],
                'aclFullControl' => $this->config['ACL_full_control'],
                'regionOptions'  => self::regionOptions(),
            ],
            $echo
        );
    }

    /**
     * Update data from http request, this method don't save data, just update object properties
     *
     * @param string $message Message
     *
     * @return bool True if success and all data is valid, false otherwise
     */
    public function updateFromHttpRequest(&$message = '')
    {
        if ((parent::updateFromHttpRequest($message) === false)) {
            return false;
        }

        $this->config['max_packages']   = SnapUtil::sanitizeIntInput(SnapUtil::INPUT_REQUEST, 's3_max_files', 10);
        $this->config['storage_folder'] = self::getSanitizedInputFolder('_s3_storage_folder');

        $this->config['access_key'] = SnapUtil::sanitizeTextInput(SnapUtil::INPUT_REQUEST, 's3_access_key');
        $secretKey                  = SnapUtil::sanitizeTextInput(SnapUtil::INPUT_REQUEST, 's3_secret_key');
        if (strlen($secretKey) > 0) {
            $this->config['secret_key'] = $secretKey;
        }
        $this->config['region']        = SnapUtil::sanitizeTextInput(SnapUtil::INPUT_REQUEST, 's3_region');
        $this->config['storage_class'] = SnapUtil::sanitizeTextInput(SnapUtil::INPUT_REQUEST, 's3_storage_class');
        $this->config['bucket']        = SnapUtil::sanitizeTextInput(SnapUtil::INPUT_REQUEST, 's3_bucket');


        $message = sprintf(
            __('Storage Updated.', 'duplicator-pro'),
            $this->config['server'],
            $this->getStorageFolder()
        );
        return true;
    }

    /**
     * Get full s3 client
     *
     * @return S3StorageAdapter
     */
    protected function getAdapter()
    {
        if ($this->adapter !== null) {
            return $this->adapter;
        }

        $global        = DUP_PRO_Global_Entity::getInstance();
        $this->adapter = new S3StorageAdapter(
            $this->config['access_key'],
            $this->config['secret_key'],
            $this->config['region'],
            $this->config['bucket'],
            $this->config['storage_folder'],
            $this->config['endpoint'],
            $this->config['storage_class'],
            $global->ipv4_only,
            !$global->ssl_disableverify,
            ($global->ssl_useservercerts ? '' : DUPLICATOR_PRO_CERT_PATH),
            $this->config['ACL_full_control']
        );

        return $this->adapter;
    }

    /**
     * Returns value => label pairs for region drop-down options for S3 Amazon Direct storage type
     *
     * @return string[]
     */
    protected static function regionOptions()
    {
        return array(
            "us-east-1"      => __("US East (N. Virginia)", 'duplicator-pro'),
            "us-east-2"      => __("US East (Ohio)", 'duplicator-pro'),
            "us-west-1"      => __("US West (N. California)", 'duplicator-pro'),
            "us-west-2"      => __("US West (Oregon)", 'duplicator-pro'),
            "af-south-1"     => __("Africa (Cape Town)", 'duplicator-pro'),
            "ap-east-1"      => __("Asia Pacific (Hong Kong)", 'duplicator-pro'),
            "ap-south-1"     => __("Asia Pacific (Mumbai)", 'duplicator-pro'),
            "ap-northeast-1" => __("Asia Pacific (Tokyo)", 'duplicator-pro'),
            "ap-northeast-2" => __("Asia Pacific (Seoul)", 'duplicator-pro'),
            "ap-northeast-3" => __("Asia Pacific (Osaka)", 'duplicator-pro'),
            "ap-southeast-1" => __("Asia Pacific (Singapore)", 'duplicator-pro'),
            "ap-southeast-2" => __("Asia Pacific (Sydney)", 'duplicator-pro'),
            "ap-southeast-3" => __("Asia Pacific (Jakarta)", 'duplicator-pro'),
            "ca-central-1"   => __("Canada (Central)", 'duplicator-pro'),
            "cn-north-1"     => __("China (Beijing)", 'duplicator-pro'),
            "cn-northwest-1" => __("China (Ningxia)", 'duplicator-pro'),
            "eu-central-1"   => __("EU (Frankfurt)", 'duplicator-pro'),
            "eu-west-1"      => __("EU (Ireland)", 'duplicator-pro'),
            "eu-west-2"      => __("EU (London)", 'duplicator-pro'),
            "eu-west-3"      => __("EU (Paris)", 'duplicator-pro'),
            "eu-south-1"     => __("Europe (Milan)", 'duplicator-pro'),
            "eu-north-1"     => __("Europe (Stockholm)", 'duplicator-pro'),
            "me-south-1"     => __("Middle East (Bahrain)", 'duplicator-pro'),
            "sa-east-1"      => __("South America (Sao Paulo)", 'duplicator-pro'),
        );
    }

    /**
     * Register storage type
     *
     * @return void
     */
    public static function registerType()
    {
        parent::registerType();

        add_action('duplicator_update_global_storage_settings', function () {
            $dGlobal = DynamicGlobalEntity::getInstance();

            foreach (static::getDefaultSettings() as $key => $default) {
                $value = SnapUtil::sanitizeIntInput(SnapUtil::INPUT_REQUEST, $key, $default);
                $dGlobal->setVal($key, $value);
            }
            $dGlobal->save();
        });
    }

    /**
     * Get upload chunk size in bytes
     *
     * @return int bytes
     */
    public function getUploadChunkSize()
    {
        $dGlobal = DynamicGlobalEntity::getInstance();
        return $dGlobal->getVal('s3_upload_part_size_in_kb', self::DEFAULT_UPLOAD_CHUNK_SIZE_IN_KB) * 1024;
    }

    /**
     * Get download chunk size in bytes
     *
     * @return int bytes
     */
    public function getDownloadChunkSize()
    {
        $dGlobal = DynamicGlobalEntity::getInstance();
        return $dGlobal->getVal('s3_download_part_size_in_kb', self::DEFAULT_DOWNLOAD_CHUNK_SIZE_IN_KB) * 1024;
    }

    /**
     * Get upload chunk timeout in seconds
     *
     * @return int timeout in microseconds, 0 unlimited
     */
    public function getUploadChunkTimeout()
    {
        $global = DUP_PRO_Global_Entity::getInstance();
        return (int) ($global->php_max_worker_time_in_sec <= 0 ? 0 :  $global->php_max_worker_time_in_sec * SECONDS_IN_MICROSECONDS);
    }

    /**
     * Get default settings
     *
     * @return array<string, scalar>
     */
    protected static function getDefaultSettings()
    {
        return [
            's3_upload_part_size_in_kb'   => 6000,
            's3_download_part_size_in_kb' => 10 * 1024,
        ];
    }

    /**
     * @return void
     */
    public static function renderGlobalOptions()
    {
        if (static::class !== self::class) {
            return;
        }

        $dGlobal = DynamicGlobalEntity::getInstance();
        TplMng::getInstance()->render(
            'amazons3addon/configs/global_options',
            [
                'uploadPartSizeInKb'   => $dGlobal->getVal('s3_upload_part_size_in_kb', self::DEFAULT_UPLOAD_CHUNK_SIZE_IN_KB),
                'downloadPartSizeInKb' => $dGlobal->getVal('s3_download_part_size_in_kb', self::DEFAULT_DOWNLOAD_CHUNK_SIZE_IN_KB),
            ]
        );
    }

    /**
     * Purge old multipart uploads
     *
     * @return void
     */
    public function purgeMultipartUpload()
    {
        $this->getAdapter()->abortMultipartUploads(2);
    }
}