Merge branch 'jellyfin:master' into master

1 files changed, 81 insertions, 0 deletions

diff --git a/Jellyfin.Api/Extensions/ClaimsPrincipalExtensions.cs b/Jellyfin.Api/Extensions/ClaimsPrincipalExtensions.cs
new file mode 100644
index 000000000..6b3e78d4d
--- /dev/null
+++ b/Jellyfin.Api/Extensions/ClaimsPrincipalExtensions.cs
@@ -0,0 +1,81 @@
+using System;
+using System.Linq;
+using System.Security.Claims;
+using Jellyfin.Api.Constants;
+
+namespace Jellyfin.Api.Extensions;
+
+/// <summary>
+/// Extensions for <see cref="ClaimsPrincipal"/>.
+/// </summary>
+public static class ClaimsPrincipalExtensions
+{
+    /// <summary>
+    /// Get user id from claims.
+    /// </summary>
+    /// <param name="user">Current claims principal.</param>
+    /// <returns>User id.</returns>
+    public static Guid GetUserId(this ClaimsPrincipal user)
+    {
+        var value = GetClaimValue(user, InternalClaimTypes.UserId);
+        return string.IsNullOrEmpty(value)
+            ? default
+            : 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(this 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(this 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(this 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(this 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(this 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(this 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)
+        => user.Claims.FirstOrDefault(claim => claim.Type.Equals(name, StringComparison.OrdinalIgnoreCase))?.Value;
+}