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<?php
defined("ABSPATH") or die("");
/**
* Check different type of storage supported in the installed machine.
*/
class DUP_PRO_StorageSupported
{
/** @var boolean is GDrive Supported */
private static $isGDriveSupported;
/** @var boolean is OneDrive Supported */
private static $isOneDriveSupported;
/** @var boolean is CURL extension Supported */
private static $isCURLExtensionEnabled;
/** @var boolean allow_url_fopen PHP INI setting value */
private static $allowUrlFopenPHPSettingVal;
/**
* Check whether GDrive supported in this server
* @static
*
* @staticvar isGDriveSupported boolean used to store return value temporary
* @return boolean true if GDrive supported in this machine, otherwise false.
*/
public static function isGDriveSupported()
{
if (!isset(self::$isGDriveSupported)) {
self::$isGDriveSupported = (self::isCURLExtensionEnabled() || self::getAllowUrlFopenPHPSetting());
}
return self::$isGDriveSupported;
}
/**
* Check whether GDrive supported in this server
* @static
*
* @staticvar isGDriveSupported boolean used to store return value temporary
* @return boolean true if GDrive supported in this machine, otherwise false.
*/
public static function isOneDriveSupported()
{
if (!isset(self::$isOneDriveSupported)) {
self::$isOneDriveSupported = (
DUP_PRO_U::PHP56()
&&
self::isCURLExtensionEnabled()
);
}
return self::$isOneDriveSupported;
}
/**
* Check whether $storageObj's storage type is supported.
* @static
*
* @param $storageObj object instance of DUP_PRO_Storage_Entity.
*
* @return boolean true if Storage object's storage type is supported otherwise return false.
*/
//@Todo Make same changes for other storage type too
public static function isStorageObjStorageTypeSupported($storageObj)
{
switch ($storageObj->get_storage_type()) {
case DUP_PRO_Storage_Types::GDrive:
return DUP_PRO_StorageSupported::isGDriveSupported();
break;
case DUP_PRO_Storage_Types::OneDrive:
return DUP_PRO_StorageSupported::isOneDriveSupported();
break;
default:
// Do nothing
}
return true;
}
/**
* Get GDrive not supported notices
* @static
*
* @return array notices string as array values
*/
public static function getGDriveNotSupportedNotices()
{
$notices = array();
if (!self::isGDriveSupported()) {
if (!self::isCURLExtensionEnabled() && !self::getAllowUrlFopenPHPSetting()) {
$notices[] = DUP_PRO_U::esc_html__('Google Drive requires either the PHP CURL extension enabled or the allow_url_fopen runtime configuration to be enabled.');
} else if (!self::isCURLExtensionEnabled()) {
$notices[] = DUP_PRO_U::esc_html__('Google Drive requires the PHP CURL extension enabled.');
} else if (!self::getAllowUrlFopenPHPSetting()) {
$notices[] = DUP_PRO_U::esc_html__('Google Drive requires the allow_url_fopen runtime configuration to be enabled.');
}
}
return $notices;
}
/**
* Get GDrive not supported notices
* @static
*
* @return array notices string as array values
*/
public static function getOneDriveNotSupportedNotices()
{
$notices = array();
if (!self::isOneDriveSupported()) {
if (!DUP_PRO_U::PHP56() && !self::isCURLExtensionEnabled()) {
$notices[] = sprintf(DUP_PRO_U::esc_html__('OneDrive requires PHP 5.6+ and PHP CURL extension enabled. This server is running PHP (%s).'), PHP_VERSION);
} else if (!DUP_PRO_U::PHP56()) {
$notices[] = sprintf(DUP_PRO_U::esc_html__('OneDrive requires PHP 5.6+. This server is running PHP (%s).'), PHP_VERSION);
} else if (!self::isCURLExtensionEnabled()) {
$notices[] = DUP_PRO_U::esc_html__('OneDrive requires the PHP CURL extension enabled.');
}
}
return $notices;
}
/**
* Checks whether PHP CURL extension enabled or not.
* @static
*
* @staticvar isCURLExtensionEnabled boolean used to store return value temporary.
* @return boolean true if CURL Extension enabled in this machine, otherwise false.
*/
private static function isCURLExtensionEnabled()
{
if (!isset(self::$isCURLExtensionEnabled)) {
self::$isCURLExtensionEnabled = function_exists('curl_version') && function_exists('curl_exec');
}
return self::$isCURLExtensionEnabled;
}
/**
* Get allow_url_fopen php.ini setting value
* @static
*
* @staticvar allowUrlFopenPHPSettingVal boolean used to store return value temporary.
* @return boolean allow_url_fopen setting value
*/
private static function getAllowUrlFopenPHPSetting()
{
if (!isset(self::$allowUrlFopenPHPSettingVal)) {
if (function_exists('ini_get')) {
return ini_get('allow_url_fopen');
} else {
return false;
}
}
return self::$allowUrlFopenPHPSettingVal;
}
}