77 lines
3.0 KiB
C#
77 lines
3.0 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
|
|
//
|
|
// This program is a free software product.
|
|
// You can redistribute it and/or modify it under the terms
|
|
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
|
|
// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
|
|
// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
|
|
// any third-party rights.
|
|
//
|
|
// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
|
|
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
|
|
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
|
|
//
|
|
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
|
|
//
|
|
// The interactive user interfaces in modified source and object code versions of the Program must
|
|
// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
|
|
//
|
|
// Pursuant to Section 7(b) of the License you must retain the original Product logo when
|
|
// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
|
|
// trademark law for use of our trademarks.
|
|
//
|
|
// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
|
|
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
|
|
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
|
|
|
|
namespace ASC.Web.Core.Mobile;
|
|
|
|
[Scope]
|
|
public class MobileDetector
|
|
{
|
|
private readonly Regex _uaMobileRegex;
|
|
private readonly ICache _cache;
|
|
private readonly IHttpContextAccessor _httpContextAccessor;
|
|
|
|
public bool IsMobile()
|
|
{
|
|
return IsRequestMatchesMobile();
|
|
}
|
|
|
|
|
|
public MobileDetector(IHttpContextAccessor httpContextAccessor, IConfiguration configuration, ICache cache)
|
|
{
|
|
this._cache = cache;
|
|
if (!string.IsNullOrEmpty(configuration["mobile:regex"]))
|
|
{
|
|
_uaMobileRegex = new Regex(configuration["mobile:regex"], RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.Compiled);
|
|
}
|
|
|
|
_httpContextAccessor = httpContextAccessor;
|
|
}
|
|
|
|
|
|
public bool IsRequestMatchesMobile()
|
|
{
|
|
bool? result = false;
|
|
var ua = _httpContextAccessor.HttpContext.Request.Headers["User-Agent"].ToString();
|
|
var regex = _uaMobileRegex;
|
|
if (!string.IsNullOrEmpty(ua) && regex != null)
|
|
{
|
|
var key = "mobileDetector/" + ua.GetHashCode();
|
|
|
|
|
|
if (bool.TryParse(_cache.Get<string>(key), out var fromCache))
|
|
{
|
|
result = fromCache;
|
|
}
|
|
else
|
|
{
|
|
result = regex.IsMatch(ua);
|
|
_cache.Insert(key, result.ToString(), TimeSpan.FromMinutes(10));
|
|
}
|
|
}
|
|
return result.GetValueOrDefault();
|
|
}
|
|
}
|