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using System;
using System.Linq;
using System.Security.Claims;
using Jellyfin.Api.Constants;
namespace Jellyfin.Api.Helpers
{
/// <summary>
/// Claim Helpers.
/// </summary>
public static class ClaimHelpers
{
/// <summary>
/// Get user id from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>User id.</returns>
public static Guid? GetUserId(in ClaimsPrincipal user)
{
var value = GetClaimValue(user, InternalClaimTypes.UserId);
return string.IsNullOrEmpty(value)
? null
: Guid.Parse(value);
}
/// <summary>
/// Get device id from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Device id.</returns>
public static string? GetDeviceId(in ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.DeviceId);
/// <summary>
/// Get device from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Device.</returns>
public static string? GetDevice(in ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.Device);
/// <summary>
/// Get client from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Client.</returns>
public static string? GetClient(in ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.Client);
/// <summary>
/// Get version from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Version.</returns>
public static string? GetVersion(in ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.Version);
/// <summary>
/// Get token from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Token.</returns>
public static string? GetToken(in ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.Token);
/// <summary>
/// Gets a flag specifying whether the request is using an api key.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>The flag specifying whether the request is using an api key.</returns>
public static bool GetIsApiKey(in ClaimsPrincipal user)
{
var claimValue = GetClaimValue(user, InternalClaimTypes.IsApiKey);
return !string.IsNullOrEmpty(claimValue)
&& bool.TryParse(claimValue, out var parsedClaimValue)
&& parsedClaimValue;
}
private static string? GetClaimValue(in ClaimsPrincipal user, string name)
{
return user?.Identities
.SelectMany(c => c.Claims)
.Where(claim => claim.Type.Equals(name, StringComparison.OrdinalIgnoreCase))
.Select(claim => claim.Value)
.FirstOrDefault();
}
}
}
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