48 lines
1.4 KiB
C#
48 lines
1.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Microsoft.AspNetCore.Authorization;
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using StellaOps.Auth.Abstractions;
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namespace StellaOps.Auth.ServerIntegration;
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/// <summary>
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/// Authorisation requirement enforcing StellaOps scope membership.
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/// </summary>
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public sealed class StellaOpsScopeRequirement : IAuthorizationRequirement
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{
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/// <summary>
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/// Initialises a new instance of the <see cref="StellaOpsScopeRequirement"/> class.
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/// </summary>
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/// <param name="scopes">Scopes that satisfy the requirement.</param>
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public StellaOpsScopeRequirement(IEnumerable<string> scopes)
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{
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ArgumentNullException.ThrowIfNull(scopes);
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var normalized = new HashSet<string>(StringComparer.Ordinal);
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foreach (var scope in scopes)
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{
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var value = StellaOpsScopes.Normalize(scope);
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if (value is null)
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{
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continue;
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}
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normalized.Add(value);
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}
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if (normalized.Count == 0)
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{
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throw new ArgumentException("At least one scope must be provided.", nameof(scopes));
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}
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RequiredScopes = normalized.OrderBy(static scope => scope, StringComparer.Ordinal).ToArray();
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}
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/// <summary>
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/// Gets the required scopes.
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/// </summary>
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public IReadOnlyCollection<string> RequiredScopes { get; }
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}
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