chore: initialize standalone UPM package

2026-08-26 02:50:34 +08:00
commit 8eaaa3040a
139 changed files with 9309 additions and 0 deletions
@@ -0,0 +1,64 @@
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+
+namespace ShrinkNetwork
+{
+    public enum ShrinkNetworkPeerKind
+    {
+        Unknown = 0,
+        Client = 1,
+        Server = 2,
+        TrustedServer = 3
+    }
+
+    public enum ShrinkNetworkAuthority
+    {
+        Any = 0,
+        ClientOnly = 1,
+        ServerOnly = 2,
+        TrustedServerOnly = 3
+    }
+
+    public readonly struct ShrinkNetworkPermissionRequirement
+    {
+        public ShrinkNetworkAuthority Authority { get; }
+        public string? Permission { get; }
+
+        public ShrinkNetworkPermissionRequirement(ShrinkNetworkAuthority authority, string? permission)
+        {
+            Authority = authority;
+            Permission = string.IsNullOrWhiteSpace(permission) ? null : permission.Trim();
+        }
+    }
+
+    internal static class ShrinkNetworkPermissionValidator
+    {
+        public static bool IsAllowed(ShrinkNetworkSession session, ShrinkNetworkPermissionRequirement requirement)
+        {
+            if (session == null)
+                return false;
+
+            if (!CheckAuthority(session.PeerKind, requirement.Authority))
+                return false;
+
+            if (!string.IsNullOrEmpty(requirement.Permission) && !session.HasPermission(requirement.Permission))
+                return false;
+
+            return true;
+        }
+
+        private static bool CheckAuthority(ShrinkNetworkPeerKind peerKind, ShrinkNetworkAuthority authority)
+        {
+            return authority switch
+            {
+                ShrinkNetworkAuthority.Any => true,
+                ShrinkNetworkAuthority.ClientOnly => peerKind == ShrinkNetworkPeerKind.Client,
+                ShrinkNetworkAuthority.ServerOnly => peerKind == ShrinkNetworkPeerKind.Server || peerKind == ShrinkNetworkPeerKind.TrustedServer,
+                ShrinkNetworkAuthority.TrustedServerOnly => peerKind == ShrinkNetworkPeerKind.TrustedServer,
+                _ => false
+            };
+        }
+    }
+}