44 lines
1.6 KiB
C#
44 lines
1.6 KiB
C#
using System.Security.Claims;
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using System.Text.Encodings.Web;
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using Microsoft.AspNetCore.Authentication;
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using Microsoft.Extensions.Options;
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using Microsoft.Net.Http.Headers;
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namespace MoonlightServers.Daemon.Implementations.TokenScheme;
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public class TokenSchemeHandler : AuthenticationHandler<TokenSchemeOptions>
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{
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public const string SchemeName = "MoonlightServers.Token";
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public TokenSchemeHandler(
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IOptionsMonitor<TokenSchemeOptions> options,
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ILoggerFactory logger,
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UrlEncoder encoder
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) : base(options, logger, encoder)
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{
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}
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protected override Task<AuthenticateResult> HandleAuthenticateAsync()
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{
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if (!Context.Request.Headers.TryGetValue(HeaderNames.Authorization, out var authHeaderValues))
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return Task.FromResult(AuthenticateResult.Fail("No authorization header present"));
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if (authHeaderValues.Count != 1)
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return Task.FromResult(AuthenticateResult.Fail("No authorization value present"));
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var authHeaderValue = authHeaderValues[0];
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if (string.IsNullOrEmpty(authHeaderValue))
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return Task.FromResult(AuthenticateResult.Fail("No authorization value present"));
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if (authHeaderValue != Options.Token)
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return Task.FromResult(AuthenticateResult.Fail("Invalid token provided"));
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return Task.FromResult(
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AuthenticateResult.Success(new AuthenticationTicket(
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new ClaimsPrincipal(new ClaimsIdentity([], nameof(TokenSchemeHandler))),
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nameof(TokenSchemeHandler)
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))
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);
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}
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} |