refactor: simplify authz

2 files changed, 87 insertions, 0 deletions

diff --git a/Jellyfin.Api/Auth/FirstTimeSetupPolicy/FirstTimeSetupHandler.cs b/Jellyfin.Api/Auth/FirstTimeSetupPolicy/FirstTimeSetupHandler.cs
new file mode 100644
index 0000000000..302e052a7c
--- /dev/null
+++ b/Jellyfin.Api/Auth/FirstTimeSetupPolicy/FirstTimeSetupHandler.cs
@@ -0,0 +1,61 @@
+using System.Threading.Tasks;
+using Jellyfin.Api.Constants;
+using Jellyfin.Api.Extensions;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Controller.Library;
+using Microsoft.AspNetCore.Authorization;
+
+namespace Jellyfin.Api.Auth.FirstTimeSetupPolicy
+{
+    /// <summary>
+    /// Authorization handler for requiring first time setup or default privileges.
+    /// </summary>
+    public class FirstTimeSetupHandler : AuthorizationHandler<FirstTimeSetupRequirement>
+    {
+        private readonly IConfigurationManager _configurationManager;
+        private readonly IUserManager _userManager;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FirstTimeSetupHandler" /> class.
+        /// </summary>
+        /// <param name="configurationManager">Instance of the <see cref="IConfigurationManager"/> interface.</param>
+        /// <param name="userManager">Instance of the <see cref="IUserManager"/> interface.</param>
+        public FirstTimeSetupHandler(
+            IConfigurationManager configurationManager,
+            IUserManager userManager)
+        {
+            _configurationManager = configurationManager;
+            _userManager = userManager;
+        }
+
+        /// <inheritdoc />
+        protected override Task HandleRequirementAsync(AuthorizationHandlerContext context, FirstTimeSetupRequirement requirement)
+        {
+            if (!_configurationManager.CommonConfiguration.IsStartupWizardCompleted)
+            {
+                context.Succeed(requirement);
+                return Task.CompletedTask;
+            }
+
+            if (requirement.RequireAdmin && !context.User.IsInRole(UserRoles.Administrator))
+            {
+                context.Fail();
+                return Task.CompletedTask;
+            }
+
+            if (!requirement.ValidateParentalSchedule)
+            {
+                context.Succeed(requirement);
+                return Task.CompletedTask;
+            }
+
+            var user = _userManager.GetUserById(context.User.GetUserId());
+            if (user.IsParentalScheduleAllowed())
+            {
+                context.Succeed(requirement);
+            }
+
+            return Task.CompletedTask;
+        }
+    }
+}
diff --git a/Jellyfin.Api/Auth/FirstTimeSetupPolicy/FirstTimeSetupRequirement.cs b/Jellyfin.Api/Auth/FirstTimeSetupPolicy/FirstTimeSetupRequirement.cs
new file mode 100644
index 0000000000..8b7a94954e
--- /dev/null
+++ b/Jellyfin.Api/Auth/FirstTimeSetupPolicy/FirstTimeSetupRequirement.cs
@@ -0,0 +1,26 @@
+using Jellyfin.Api.Auth.DefaultAuthorizationPolicy;
+
+namespace Jellyfin.Api.Auth.FirstTimeSetupPolicy
+{
+    /// <summary>
+    /// The authorization requirement, requiring incomplete first time setup or default privileges, for the authorization handler.
+    /// </summary>
+    public class FirstTimeSetupRequirement : DefaultAuthorizationRequirement
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FirstTimeSetupRequirement"/> class.
+        /// </summary>
+        /// <param name="validateParentalSchedule">A value indicating whether to ignore parental schedule.</param>
+        /// <param name="requireAdmin">A value indicating whether administrator role is required.</param>
+        public FirstTimeSetupRequirement(bool validateParentalSchedule = false, bool requireAdmin = true)
+        {
+            ValidateParentalSchedule = validateParentalSchedule;
+            RequireAdmin = requireAdmin;
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether administrator role is required.
+        /// </summary>
+        public bool RequireAdmin { get; }
+    }
+}