2022-03-15 18:00:53 +00:00
|
|
|
|
// (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.Utility
|
2019-06-07 08:59:07 +00:00
|
|
|
|
{
|
|
|
|
|
public interface IUrlShortener
|
|
|
|
|
{
|
2022-01-31 14:35:36 +00:00
|
|
|
|
Task<string> GetShortenLinkAsync(string shareLink);
|
2019-06-07 08:59:07 +00:00
|
|
|
|
}
|
2020-10-19 15:53:15 +00:00
|
|
|
|
|
|
|
|
|
[Scope]
|
2019-09-24 10:32:12 +00:00
|
|
|
|
public class UrlShortener
|
2019-06-07 08:59:07 +00:00
|
|
|
|
{
|
2019-09-24 10:32:12 +00:00
|
|
|
|
public bool Enabled { get { return !(Instance is NullShortener); } }
|
2019-06-07 08:59:07 +00:00
|
|
|
|
|
2019-09-24 10:32:12 +00:00
|
|
|
|
private IUrlShortener _instance;
|
|
|
|
|
public IUrlShortener Instance
|
2019-06-07 08:59:07 +00:00
|
|
|
|
{
|
|
|
|
|
get
|
|
|
|
|
{
|
|
|
|
|
if (_instance == null)
|
|
|
|
|
{
|
2019-12-20 11:17:01 +00:00
|
|
|
|
if (ConsumerFactory.Get<BitlyLoginProvider>().Enabled)
|
2019-06-07 08:59:07 +00:00
|
|
|
|
{
|
2019-12-20 11:17:01 +00:00
|
|
|
|
_instance = new BitLyShortener(ConsumerFactory);
|
2019-06-07 08:59:07 +00:00
|
|
|
|
}
|
2020-05-22 09:41:14 +00:00
|
|
|
|
else if (!string.IsNullOrEmpty(Configuration["web:url-shortener:value"]))
|
2019-06-07 08:59:07 +00:00
|
|
|
|
{
|
2022-01-13 11:19:39 +00:00
|
|
|
|
_instance = new OnlyoShortener(Configuration, CommonLinkUtility, MachinePseudoKeys, ClientFactory);
|
2019-06-07 08:59:07 +00:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
_instance = new NullShortener();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return _instance;
|
2020-09-18 07:59:23 +00:00
|
|
|
|
}
|
|
|
|
|
set
|
|
|
|
|
{
|
|
|
|
|
_instance = value;
|
2019-06-07 08:59:07 +00:00
|
|
|
|
}
|
2020-02-17 08:58:14 +00:00
|
|
|
|
}
|
|
|
|
|
|
2020-08-12 09:58:08 +00:00
|
|
|
|
private IConfiguration Configuration { get; }
|
|
|
|
|
private ConsumerFactory ConsumerFactory { get; }
|
2020-09-18 07:59:23 +00:00
|
|
|
|
private CommonLinkUtility CommonLinkUtility { get; }
|
|
|
|
|
private MachinePseudoKeys MachinePseudoKeys { get; }
|
2022-01-13 11:19:39 +00:00
|
|
|
|
private IHttpClientFactory ClientFactory { get; }
|
2020-09-18 07:59:23 +00:00
|
|
|
|
|
|
|
|
|
public UrlShortener(
|
|
|
|
|
IConfiguration configuration,
|
|
|
|
|
ConsumerFactory consumerFactory,
|
|
|
|
|
CommonLinkUtility commonLinkUtility,
|
2022-01-13 11:19:39 +00:00
|
|
|
|
MachinePseudoKeys machinePseudoKeys,
|
|
|
|
|
IHttpClientFactory clientFactory)
|
2020-02-17 08:58:14 +00:00
|
|
|
|
{
|
|
|
|
|
Configuration = configuration;
|
|
|
|
|
ConsumerFactory = consumerFactory;
|
2020-09-18 07:59:23 +00:00
|
|
|
|
CommonLinkUtility = commonLinkUtility;
|
|
|
|
|
MachinePseudoKeys = machinePseudoKeys;
|
2022-01-13 11:19:39 +00:00
|
|
|
|
ClientFactory = clientFactory;
|
2019-06-07 08:59:07 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public class BitLyShortener : IUrlShortener
|
2020-02-17 08:58:14 +00:00
|
|
|
|
{
|
|
|
|
|
public BitLyShortener(ConsumerFactory consumerFactory)
|
|
|
|
|
{
|
|
|
|
|
ConsumerFactory = consumerFactory;
|
|
|
|
|
}
|
|
|
|
|
|
2020-08-12 09:58:08 +00:00
|
|
|
|
private ConsumerFactory ConsumerFactory { get; }
|
2020-02-17 08:58:14 +00:00
|
|
|
|
|
2022-01-31 14:35:36 +00:00
|
|
|
|
public Task<string> GetShortenLinkAsync(string shareLink)
|
2019-06-07 08:59:07 +00:00
|
|
|
|
{
|
2022-01-31 14:35:36 +00:00
|
|
|
|
return Task.FromResult(ConsumerFactory.Get<BitlyLoginProvider>().GetShortenLink(shareLink));
|
2019-06-07 08:59:07 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public class OnlyoShortener : IUrlShortener
|
|
|
|
|
{
|
|
|
|
|
private readonly string url;
|
|
|
|
|
private readonly string internalUrl;
|
2022-01-13 11:19:39 +00:00
|
|
|
|
private readonly byte[] sKey;
|
|
|
|
|
|
|
|
|
|
private CommonLinkUtility CommonLinkUtility { get; }
|
|
|
|
|
private IHttpClientFactory ClientFactory { get; }
|
2019-06-07 08:59:07 +00:00
|
|
|
|
|
2020-09-18 07:59:23 +00:00
|
|
|
|
public OnlyoShortener(
|
|
|
|
|
IConfiguration configuration,
|
|
|
|
|
CommonLinkUtility commonLinkUtility,
|
2022-01-13 11:19:39 +00:00
|
|
|
|
MachinePseudoKeys machinePseudoKeys,
|
|
|
|
|
IHttpClientFactory clientFactory)
|
2019-06-07 08:59:07 +00:00
|
|
|
|
{
|
2020-05-22 09:41:14 +00:00
|
|
|
|
url = configuration["web:url-shortener:value"];
|
|
|
|
|
internalUrl = configuration["web:url-shortener:internal"];
|
2020-09-18 07:59:23 +00:00
|
|
|
|
sKey = machinePseudoKeys.GetMachineConstant();
|
2019-06-07 08:59:07 +00:00
|
|
|
|
|
2022-01-18 12:40:28 +00:00
|
|
|
|
if (!url.EndsWith('/'))
|
2020-02-17 08:58:14 +00:00
|
|
|
|
url += '/';
|
2022-01-13 11:19:39 +00:00
|
|
|
|
CommonLinkUtility = commonLinkUtility;
|
|
|
|
|
ClientFactory = clientFactory;
|
2020-02-17 08:58:14 +00:00
|
|
|
|
}
|
|
|
|
|
|
2022-01-31 14:35:36 +00:00
|
|
|
|
public async Task<string> GetShortenLinkAsync(string shareLink)
|
2021-10-12 10:14:33 +00:00
|
|
|
|
{
|
|
|
|
|
var request = new HttpRequestMessage();
|
|
|
|
|
request.RequestUri = new Uri(internalUrl + "?url=" + HttpUtility.UrlEncode(shareLink));
|
|
|
|
|
request.Headers.Add("Authorization", CreateAuthToken());
|
|
|
|
|
request.Headers.Add("Encoding", Encoding.UTF8.ToString());//todo check
|
|
|
|
|
|
2022-01-13 11:19:39 +00:00
|
|
|
|
var httpClient = ClientFactory.CreateClient();
|
2022-01-31 14:35:36 +00:00
|
|
|
|
using var response = await httpClient.SendAsync(request);
|
|
|
|
|
using var stream = await response.Content.ReadAsStreamAsync();
|
2021-11-24 19:34:39 +00:00
|
|
|
|
using var rs = new StreamReader(stream);
|
2022-01-31 14:35:36 +00:00
|
|
|
|
return CommonLinkUtility.GetFullAbsolutePath(url + await rs.ReadToEndAsync());
|
2019-06-07 08:59:07 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private string CreateAuthToken(string pkey = "urlShortener")
|
|
|
|
|
{
|
2020-09-18 07:59:23 +00:00
|
|
|
|
using var hasher = new HMACSHA1(sKey);
|
2020-02-17 08:58:14 +00:00
|
|
|
|
var now = DateTime.UtcNow.ToString("yyyyMMddHHmmss");
|
|
|
|
|
var hash = Convert.ToBase64String(hasher.ComputeHash(Encoding.UTF8.GetBytes(string.Join("\n", now, pkey))));
|
2022-01-14 13:12:37 +00:00
|
|
|
|
return $"ASC {pkey}:{now}:{hash}";
|
2019-06-07 08:59:07 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public class NullShortener : IUrlShortener
|
|
|
|
|
{
|
2022-01-31 14:35:36 +00:00
|
|
|
|
public Task<string> GetShortenLinkAsync(string shareLink)
|
2019-06-07 08:59:07 +00:00
|
|
|
|
{
|
|
|
|
|
return null;
|
|
|
|
|
}
|
2020-02-17 08:58:14 +00:00
|
|
|
|
}
|
2019-06-07 08:59:07 +00:00
|
|
|
|
}
|