109 lines
4.3 KiB
C#
109 lines
4.3 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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using Formatting = Newtonsoft.Json.Formatting;
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using IJsonSerializer = JWT.IJsonSerializer;
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namespace ASC.Web.Core.Files;
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public static class JsonWebToken
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{
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public static string Encode(object payload, string key)
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{
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var (serializer, algorithm, urlEncoder) = GetSettings();
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var encoder = new JwtEncoder(algorithm, serializer, urlEncoder);
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return encoder.Encode(payload, key);
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}
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public static string Decode(string token, string key, bool verify = true, bool baseSerializer = false)
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{
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var (serializer, algorithm, urlEncoder) = GetSettings(baseSerializer);
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var provider = new UtcDateTimeProvider();
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IJwtValidator validator = new JwtValidator(serializer, provider);
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var decoder = new JwtDecoder(serializer, validator, urlEncoder, algorithm);
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return decoder.Decode(token, key, verify);
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}
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private static (IJsonSerializer, IJwtAlgorithm, IBase64UrlEncoder) GetSettings(bool baseSerializer = false)
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{
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#pragma warning disable CS0618 // Type or member is obsolete
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return (baseSerializer ? (IJsonSerializer)new JsonNetSerializer() : new JwtSerializer(), new HMACSHA256Algorithm(), new JwtBase64UrlEncoder());
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#pragma warning restore CS0618 // Type or member is obsolete
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}
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}
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public class JwtSerializer : IJsonSerializer
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{
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private class CamelCaseExceptDictionaryKeysResolver : CamelCasePropertyNamesContractResolver
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{
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protected override JsonDictionaryContract CreateDictionaryContract(Type objectType)
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{
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var contract = base.CreateDictionaryContract(objectType);
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contract.DictionaryKeyResolver = propertyName => propertyName;
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return contract;
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}
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}
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public string Serialize(object obj)
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{
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var settings = new JsonSerializerSettings
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{
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ContractResolver = new CamelCaseExceptDictionaryKeysResolver(),
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NullValueHandling = NullValueHandling.Ignore,
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};
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return JsonConvert.SerializeObject(obj, Formatting.Indented, settings);
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}
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public T Deserialize<T>(string json)
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{
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var settings = new JsonSerializerSettings
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{
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ContractResolver = new CamelCaseExceptDictionaryKeysResolver(),
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NullValueHandling = NullValueHandling.Ignore,
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};
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return JsonConvert.DeserializeObject<T>(json, settings);
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}
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public object Deserialize(Type type, string json)
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{
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var settings = new JsonSerializerSettings
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{
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ContractResolver = new CamelCaseExceptDictionaryKeysResolver(),
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NullValueHandling = NullValueHandling.Ignore,
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};
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return JsonConvert.DeserializeObject(json, type, settings);
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}
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}
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