1 // OpenTween - Client of Twitter
2 // Copyright (c) 2023 kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
3 // All rights reserved.
5 // This file is part of OpenTween.
7 // This program is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 3 of the License, or (at your option)
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 // You should have received a copy of the GNU General Public License along
18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
20 // Boston, MA 02110-1301, USA.
25 using System.Collections.Generic;
27 using System.Runtime.Serialization.Json;
29 using System.Threading.Tasks;
31 using System.Xml.Linq;
32 using System.Xml.XPath;
33 using OpenTween.Api.DataModel;
35 namespace OpenTween.Api.GraphQL
37 public static class ErrorResponse
39 public static void ThrowIfError(string? jsonString)
41 if (MyCommon.IsNullOrEmpty(jsonString))
44 var jsonBytes = Encoding.UTF8.GetBytes(jsonString);
45 using var jsonReader = JsonReaderWriterFactory.CreateJsonReader(jsonBytes, XmlDictionaryReaderQuotas.Max);
47 var rootElm = XElement.Load(jsonReader);
48 ThrowIfError(rootElm);
51 public static void ThrowIfError(XElement rootElm)
53 // errors と data プロパティが両方ともある場合はエラーを無視して正常なレスポンスとして扱う
54 if (rootElm.Element("data")?.HasElements == true)
57 var errorsElm = rootElm.Element("errors") ?? null;
58 if (errorsElm == null)
61 var messageElm = rootElm.XPathSelectElement("/errors/item/message") ?? null;
62 var messageText = messageElm?.Value ?? "Error";
63 var responseJson = JsonUtils.JsonXmlToString(rootElm);
65 throw new WebApiException(messageText, responseJson);
68 public static void ThrowIfContainsRateLimitMessage(XElement rootElm)
70 var messageElm = rootElm.XPathSelectElement("//itemContent[itemType[text()='TimelineMessagePrompt']]");
71 if (messageElm == null)
74 var bodyText = messageElm.XPathSelectElement("content/bodyText")?.Value ?? "";
75 if (bodyText.StartsWith("You have reached the limit"))
77 var error = new TwitterError
81 new TwitterErrorItem { Code = TwitterErrorCode.RateLimit, Message = "" },
84 throw new TwitterApiException(0, error, "");