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UserAccountFactory.cs
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UserAccountFactory.cs
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using Microsoft.AspNetCore.Components.WebAssembly.Authentication;
using Microsoft.AspNetCore.Components.WebAssembly.Authentication.Internal;
using System.Linq;
using System.Security.Claims;
using System.Text.Json;
using System.Threading.Tasks;
namespace BlazorWebAssemblyApp.Account
{
public class UserAccountFactory : AccountClaimsPrincipalFactory<RemoteUserAccount>
{
public UserAccountFactory(IAccessTokenProviderAccessor accessor) : base(accessor)
{
}
public async override ValueTask<ClaimsPrincipal> CreateUserAsync(RemoteUserAccount account, RemoteAuthenticationUserOptions options)
{
var user = await base.CreateUserAsync(account, options);
if (user.Identity.IsAuthenticated)
{
var identity = (ClaimsIdentity)user.Identity;
var roleClaims = identity.FindAll(identity.RoleClaimType).ToArray();
if (roleClaims != null && roleClaims.Any())
{
foreach (var existingClaim in roleClaims)
{
identity.RemoveClaim(existingClaim);
}
var rolesElem = account.AdditionalProperties[identity.RoleClaimType];
if (rolesElem is JsonElement roles)
{
if (roles.ValueKind == JsonValueKind.Array)
{
foreach (var role in roles.EnumerateArray())
{
identity.AddClaim(new Claim(options.RoleClaim, role.GetString()));
}
}
else
{
identity.AddClaim(new Claim(options.RoleClaim, roles.GetString()));
}
}
}
}
return user;
}
}
}