49 lines
1.8 KiB
C#
49 lines
1.8 KiB
C#
using System.Globalization;
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using System.Security.Cryptography;
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using Microsoft.IdentityModel.Tokens;
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using Tiku.Domain.Tenancy;
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namespace Tiku.Infrastructure.Tenancy;
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internal static class TenantDomainProvisioning
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{
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public static TenantDomain CreatePrimary(Guid tenantId, string host)
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{
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return new TenantDomain
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{
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TenantId = tenantId,
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Host = NormalizeHost(host),
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DomainType = TenantDomainType.Custom,
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Status = TenantDomainStatus.Pending,
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IsPrimary = true,
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VerificationToken = Base64UrlEncoder.Encode(RandomNumberGenerator.GetBytes(32))
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};
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}
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public static string NormalizeHost(string value)
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{
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var candidate = value.Trim().TrimEnd('.');
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if (candidate.Length == 0 || candidate.Contains('/') || candidate.Contains(':') || candidate.Contains('*'))
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throw new ArgumentException("A DNS host without scheme, port, path or wildcard is required.",
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nameof(value));
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string ascii;
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try
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{
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ascii = new IdnMapping().GetAscii(candidate).ToLowerInvariant();
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}
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catch (ArgumentException)
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{
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throw new ArgumentException("The domain host is invalid.", nameof(value));
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}
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if (ascii.Length > 253 || ascii.Split('.').Length < 2 ||
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ascii.Split('.').Any(label => label.Length is 0 or > 63 ||
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label.StartsWith('-') || label.EndsWith('-') ||
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label.Any(character =>
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!char.IsAsciiLetterOrDigit(character) && character != '-')))
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throw new ArgumentException("The domain host is invalid.", nameof(value));
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return ascii;
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}
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} |