是否可以在低信任提供商托管应用程序中使用List SPItemEventReceiver？ [英] Is it possible to have for a List SPItemEventReceiver in a Low Trust Provider Hosted App?

问题描述

我有一个以低信任模式运行的提供商托管应用程序。我有两个列表（一个用于主要项目，另一个用作已删除项目的存档）。我想知道是否以及如何在完全信任解决方案中使用列表和SPItemEventReceiver
，这可以在应用上下文中添加或删除。

例如：

用户删除列表中的项目，通常他对归档列表没有贡献权限。我想在具有更高权限的应用程序上下文中执行代码，并将项目从一个列表复制到另一个列表。成功复制后，在
一侧删除它。

- 通常可以在提供商托管应用程序中以低信任模式运行这样的SPItemEventReceiver

- 如果是，从哪里开始

- 是否也可以在具有更高权限的应用程序上下文中执行代码？

最好的问候

沼泽

---

最好的问候BOG

解决方案

你想要的是
远程事件接收器 ，您可以查看以下链接了解更多详情。

https://msdn.microsoft.com/en-us/library/office/jj220043.aspx

您可以将加载项设置为使用加载项策略，对于加载项请求，SharePoint要求加载项具有对资源的权限，但无论用户是否执行操作都与
无关。（SharePoint加载项只有在获得权限的情况下才能生成加载项请求提前;通常，安装时。）

您可以查看以下链接了解更多详情。

https://msdn.microsoft.com/en-us/library/office/fp142384.aspx

最好的问候，

利

Hi,

i have a Provider Hosted App which runs in Low Trust Mode. I have two lists (one for the main items and another one as archive for deleted items). I want to know if and how it is possible to have like in full trust solutions a list a SPItemEventReceiver which can do something on adding or deleting in app context. 

For example:

A user deletes an item in the list and normally he has no contribute permissions on the archive list. I want to execute the code in apps context with higher privileges and copy the item from one to another list. After successfull copying delete it on one side.

- Is it generally possible to have such an SPItemEventReceiver within an Provider Hosted App which runs in Low Trust Mode

- and if yes, where to start

- Is it also possible to execute code in apps context with higher privileges?

best regards

Bog

---

Best regards BOG

解决方案

Hi,

What you want is remote event receiver, you could check below link for more details.

https://msdn.microsoft.com/en-us/library/office/jj220043.aspx

You could set your add-in to use add-in-only policy, in the case of an add-in-only request, SharePoint requires that the add-in have permission to the resource, but it does not matter whether the user does or not. (a SharePoint Add-in can make add-in-only requests only if it has been given permission to do so in advance; typically, when it is installed.)

You could check below link for more details.

https://msdn.microsoft.com/en-us/library/office/fp142384.aspx

Best Regards,

Lee

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