如何在Microsoft Identity 3中访问当前用户以外的用户的声明 [英] How to access claims of other than current user in Microsoft Identity 3

问题描述

我正在使用Microsoft Identity3.我可以访问当前用户的声明. 但是我不知道如何为另一个用户做同样的事情.

I'm using Microsoft Identity 3. I can access the claims of the current user. But I can't figure out how to do the same for another user.

对于当前用户，在控制器内部，我可以通过以下方式访问Claims集合:

For the current user, inside the controller, I can access the claims collection via:

IEnumerable<Claim> claims = User.Claims;

我可以看到所有用户声明，并且可以添加如下声明:

I can see all the user claims and I can add a claim as follows:

var user = await GetCurrentUserAsync();
await _userManager.AddClaimAsync(user, new Claim("role", "manager"));

但是，如果我这样做:

IdentityUser user = await _userManager.FindByIdAsync(userid);

用户"有一个声明"集合，但计数为零，该集合为空. 如何访问当前用户以外的其他人的声明，并能够添加和删除声明?

"user" has a "Claims" collection but the count is zero and the collection is empty. How can I access the claims of other than the current user and be able to add and delete claims?

推荐答案

即使我不完全了解为什么"，解决我想做的事情也很容易.我可以在以下方法中将IdentityUser转换为ApplicationUser，并且可以使用:

The solution to what I wanted to do turned out to be very easy -- even though I don't fully understand the "why". I can just up-cast IdentityUser to ApplicationUser in the following and it works:

IdentityUser user = await _userManager.FindByIdAsync(userId);
// The following will show the current claims:
var claims = await _userManager.GetClaimsAsync((ApplicationUser) user);
// The following adds a new claim:
await _userManager.AddClaimAsync((ApplicationUser) user, new Claim("time", "yesterday"));

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