无法使用.NET客户端库检索Google网上论坛的设置 [英] Unable to retrieve settings for Google Group using .NET client library

问题描述

我目前正在编写一个系统，该系统将负责创建和维护Google网上论坛，使其与我们的内部系统绑定(并与之保持同步).

I'm currently writing a system which will be responsible for creating and maintaining Google Groups in such a way that they tie into (and are in sync with) our internal systems.

为此，我目前正在简单地创建一个组，更改其设置，然后向该组分配一些成员.

As part of this, I am currently working on simply creating a group, changing its settings and then allocating some members to the group.

到目前为止，第一部分可以正常工作，但是第二部分-使用Google网上论坛设置API失败.似乎在期望JSON时总是接收XML数据.这会导致反序列化失败，从而引发异常.

So far, the first part works correctly but then the second part - using the Google Groups Settings API - fails. It seems that it is always receiving XML data when it is expecting JSON. This results in a failure to deserialize and thus an exception is thrown.

我拥有客户端库的最新版本(在撰写本文时): Google.Apis.Groupssettings.v1 1.4.0.28227(1.4.0-beta)

I have the latest version (at time of writing) of the client library: Google.Apis.Groupssettings.v1 1.4.0.28227 (1.4.0-beta)

这是一些失败的示例代码:

This is some sample code that's failing:

// OAuth2.0/service account stuff here
var initializer = //...;
var settingsService = new GroupssettingsService(initializer);
var settings = settingsService.Groups.Get("[e-mail]").Execute();

在最后一行之前一切都很好，该行失败并显示以下错误:

All is well until that last line, which fails with the following error:

• GoogleApiException:发生错误，但无法反序列化错误响应.
• InnerException:Newtonsoft.Json.JsonReaderException:解析值:<时遇到意外字符.路径"，第0行，位置0.

使用提琴手，我观察到这是响应:

Using Fiddler, I have observed that this is the response:

<?xml version="1.0" encoding="UTF-8"?>
<errors xmlns="http://schemas.google.com/g/2005">
 <error>
  <domain>GData</domain>
  <code>invalid</code>
  <internalReason>A system error has occurred</internalReason>
 </error>
</errors>

我认为其错误可能的事实归结为该组是新创建的事实，但是我也尝试了一个较旧的组，并得到了以下信息:

I think the fact its an error might be down to the fact the group is newly created, but I've tried with an older one as well and got the following:

HTTP/1.1 200 OK
Expires: Thu, 18 Jul 2013 13:00:13 GMT
Date: Thu, 18 Jul 2013 13:00:13 GMT
Cache-Control: private, max-age=0, must-revalidate, no-transform
ETag: "w9Sr8O0S9lDi5Pcv_43hXQkUtmA/TS0CjusfGhj0vG_aNIJAXkmNM4s"
Content-Type: application/atom+xml; charset=UTF-8
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Content-Length: 1811
Server: GSE

<?xml version="1.0" encoding="UTF-8"?>
<entry xmlns="http://www.w3.org/2005/Atom" xmlns:apps="http://schemas.google.com/apps/2006" xmlns:gd="http://schemas.google.com/g/2005">
 <id>tag:googleapis.com,2010:apps:groupssettings:GROUP:[e-mail]</id>
 <title>Groups Resource Entry</title>
 <content type="text">An example group</content>
 <author>
  <name>Google</name>
 </author>
 <apps:email>[e-mail]</apps:email>
 <apps:name>An example group</apps:name>
 <apps:description/>
 <apps:whoCanJoin>CAN_REQUEST_TO_JOIN</apps:whoCanJoin>
 <apps:whoCanViewMembership>ALL_MANAGERS_CAN_VIEW</apps:whoCanViewMembership>
 <apps:whoCanViewGroup>ALL_MEMBERS_CAN_VIEW</apps:whoCanViewGroup>
 <apps:whoCanInvite>ALL_MANAGERS_CAN_INVITE</apps:whoCanInvite>
 <apps:allowExternalMembers>false</apps:allowExternalMembers>
 <apps:whoCanPostMessage>ANYONE_CAN_POST</apps:whoCanPostMessage>
 <apps:allowWebPosting>true</apps:allowWebPosting>
 <apps:maxMessageBytes>5242880</apps:maxMessageBytes>
 <apps:isArchived>false</apps:isArchived>
 <apps:archiveOnly>false</apps:archiveOnly>
 <apps:messageModerationLevel>MODERATE_NONE</apps:messageModerationLevel>
 <apps:spamModerationLevel>MODERATE</apps:spamModerationLevel>
 <apps:replyTo>REPLY_TO_IGNORE</apps:replyTo>
 <apps:customReplyTo/>
 <apps:sendMessageDenyNotification>false</apps:sendMessageDenyNotification>
 <apps:defaultMessageDenyNotificationText/>
 <apps:showInGroupDirectory>false</apps:showInGroupDirectory>
 <apps:allowGoogleCommunication>false</apps:allowGoogleCommunication>
 <apps:membersCanPostAsTheGroup>false</apps:membersCanPostAsTheGroup>
 <apps:messageDisplayFont>DEFAULT_FONT</apps:messageDisplayFont>
 <apps:includeInGlobalAddressList>true</apps:includeInGlobalAddressList>
</entry>

因此，即使那样，它仍然无法反序列化，因此无法正常工作.

So even then, it's still not deserializable, and thus doesn't work.

我在做什么错了，如果有的话?

What am I doing wrong, if anything?

推荐答案

.NET客户端库不支持xml，而Groupssettings API同时支持atom和json.我对您的建议是执行以下操作:

The .NET client library doesn't support xml, while the Groupssettings API supports both atom and json. My suggestion for you is to do the following:

var getRequest = settingsService.Groups.Get("[e-mail]");
getRequest.Alt = "json";
var settings = getRequest.Execute();

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