CODEWITHSUNDEEP
azure-ad-b2c
JINESH
JINESH

Reputation: 1452

Azure B2C check user exist or not?

I am using Azure B2C, followed by the article

https://learn.microsoft.com/en-us/azure/active-directory-b2c/active-directory-b2c-devquickstarts-graph-dotnet

User is added successfully. But the issue is how to check the user exist or not with a user name, when I creating a new user?

Upvotes: 2

Views: 3339

Answers (2)

Sagar Kulkarni
Sagar Kulkarni

Reputation: 676

Programmatically, to check the user with the email address already exist. here is a solution using C# and Graph client library.

private async Task<User> CheckUserAlreadyExistAsync(string email, CancellationToken ct)
    {
        var filter = $"identities/any(c:c/issuerAssignedId eq '{email}' and c/issuer eq '{email}')";

        var request = _graphServiceClient.Users.Request()
            .Filter(filter)
            .Select(userSelectQuery)
            .Expand(e => e.AppRoleAssignments);

        var userCollectionPage = await request.GetAsync(ct).ConfigureAwait(false);

        return userCollectionPage.FirstOrDefault();
    }

Upvotes: 0

Chris Padgett
Chris Padgett

Reputation: 14634

You can find users by their email address or their user name using the signInNames filter.

For an email address:

`GET https://graph.windows.net/myorganization/users?$filter=signInNames/any(x:x/value eq '[email protected]')&api-version=1.6`

For a user name:

`https://graph.windows.net/myorganization/users?$filter=signInNames/any(x:x/value eq 'someone')&api-version=1.6`

Upvotes: 4

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