44 lines
1.3 KiB
C#
44 lines
1.3 KiB
C#
using Gameboard.ShogiUI.Sockets.Repositories;
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using Microsoft.AspNetCore.Authentication;
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using System.Linq;
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using System.Security.Claims;
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using System.Threading.Tasks;
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namespace Gameboard.ShogiUI.Sockets
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{
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/// <summary>
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/// Standardizes the claims from third party issuers. Also registers new msal users in the database.
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/// </summary>
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public class ShogiUserClaimsTransformer : IClaimsTransformation
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{
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private static readonly string MsalUsernameClaim = "preferred_username";
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private readonly IGameboardRepository gameboardRepository;
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public ShogiUserClaimsTransformer(IGameboardRepository gameboardRepository)
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{
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this.gameboardRepository = gameboardRepository;
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}
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public async Task<ClaimsPrincipal> TransformAsync(ClaimsPrincipal principal)
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{
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var nameClaim = principal.Claims.FirstOrDefault(c => c.Type == MsalUsernameClaim);
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if (nameClaim != default)
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{
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var user = await gameboardRepository.ReadUser(nameClaim.Value);
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if (user == null)
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{
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var newUser = Models.User.CreateMsalUser(nameClaim.Value);
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var success = await gameboardRepository.CreateUser(newUser);
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if (success) user = newUser;
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}
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if (user != null)
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{
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return new ClaimsPrincipal(user.CreateClaimsIdentity());
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}
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}
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return principal;
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}
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}
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}
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