KyuubiYoru
75 lines
3.3 KiB
C#
75 lines
3.3 KiB
C#
using System.Text.Json;
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using FinalFactory.Rendezvous.Client;
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using FinalFactory.Rendezvous.Contracts;
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namespace FinalFactory.Rendezvous.Tests.Contracts;
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public sealed class TraversalTokenCodecTests
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{
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[Fact]
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public void IntroductionTokenBindsAttemptAndRedactsTheFixedTicket()
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{
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JoinAttemptId attemptId = new(Guid.Parse("00000000-0000-0000-0000-000000000301"));
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string authenticator = Credential('T');
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string encoded = NatIntroductionTokenCodec.Encode(attemptId, authenticator);
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Assert.Equal(NatIntroductionTokenCodec.EncodedLength, encoded.Length);
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Assert.True(encoded.Length <= ContractLimits.LiteNetLibNatTokenMaxCharacters);
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Assert.True(NatIntroductionTokenCodec.TryDecode(encoded, out NatIntroductionToken? decoded));
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Assert.NotNull(decoded);
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Assert.Equal(attemptId, decoded.AttemptId);
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Assert.Equal(encoded, decoded.ConnectionTicket);
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Assert.DoesNotContain(encoded, decoded.ToString(), StringComparison.Ordinal);
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}
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[Fact]
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public void ConnectionTicketMatchesTheVersionedV1Vector()
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{
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using JsonDocument vector = JsonDocument.Parse(ContractTestFiles.Read("connection-ticket.json"));
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JsonElement root = vector.RootElement;
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JoinAttemptId attemptId = new(Guid.Parse(root.GetProperty("attemptId").GetString()!));
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string authenticator = root.GetProperty("derivedAuthenticator").GetString()!;
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string ticket = NatIntroductionTokenCodec.Encode(attemptId, authenticator);
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Assert.Equal(root.GetProperty("connectionTicket").GetString(), ticket);
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Assert.Equal(root.GetProperty("digest").GetString(), NatIntroductionTokenCodec.ComputeDigest(ticket));
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}
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[Fact]
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public void IntroductionTokenRejectsNonCanonicalOrAlteredFields()
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{
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string valid = NatIntroductionTokenCodec.Encode(
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new JoinAttemptId(Guid.Parse("abcdef00-0000-0000-0000-000000000302")),
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Credential('T'));
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Assert.False(NatIntroductionTokenCodec.TryDecode(null, out _));
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Assert.False(NatIntroductionTokenCodec.TryDecode(valid[..^1], out _));
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Assert.False(NatIntroductionTokenCodec.TryDecode(valid[..^1] + "!", out _));
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Assert.False(NatIntroductionTokenCodec.TryDecode(new string('A', 43), out _));
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}
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[Fact]
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public void DirectConnectionRequestRoundTripsFixedBoundedPayloadAndRedactsTicket()
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{
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JoinAttemptId attemptId = new(Guid.Parse("00000000-0000-0000-0000-000000000303"));
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string ticket = Credential('D');
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byte[] encoded = DirectConnectionRequestCodec.Encode(attemptId, ticket);
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Assert.Equal(DirectConnectionRequestCodec.EncodedLength, encoded.Length);
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Assert.True(DirectConnectionRequestCodec.TryDecode(encoded, out DirectConnectionRequest? decoded));
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Assert.NotNull(decoded);
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Assert.Equal(attemptId, decoded.AttemptId);
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Assert.Equal(ticket, decoded.ConnectionTicket);
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Assert.DoesNotContain(ticket, decoded.ToString(), StringComparison.Ordinal);
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encoded[0] ^= 0xff;
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Assert.False(DirectConnectionRequestCodec.TryDecode(encoded, out _));
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Assert.False(DirectConnectionRequestCodec.TryDecode(encoded.AsSpan(1), out _));
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}
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private static string Credential(char value) => new(value, ContractLimits.DerivedCredentialCharacters);
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}
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