67 lines
2.6 KiB
C#
67 lines
2.6 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.Json;
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using Oqtane.Models;
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namespace Oqtane.Extensions
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{
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public static class PermissionExtension
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{
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public static string EncodePermissions(this IEnumerable<Permission> permissionList)
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{
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List<PermissionString> permissionstrings = new List<PermissionString>();
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string entityname = "";
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string permissionname = "";
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string permissions = "";
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StringBuilder permissionsbuilder = new StringBuilder();
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string securityid = "";
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foreach (Permission permission in permissionList.OrderBy(item => item.EntityName).ThenBy(item => item.PermissionName))
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{
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// permission collections are grouped by entityname and permissionname
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if (entityname != permission.EntityName || permissionname != permission.PermissionName)
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{
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permissions = permissionsbuilder.ToString();
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if (permissions != "")
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{
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permissionstrings.Add(new PermissionString { EntityName = entityname, PermissionName = permissionname, Permissions = permissions.Substring(0, permissions.Length - 1) });
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}
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entityname = permission.EntityName;
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permissionname = permission.PermissionName;
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permissionsbuilder = new StringBuilder();
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}
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// deny permissions are prefixed with a "!"
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string prefix = !permission.IsAuthorized ? "!" : "";
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// encode permission
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if (permission.UserId == null)
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{
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securityid = prefix + permission.Role.Name + ";";
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}
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else
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{
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securityid = prefix + "[" + permission.UserId + "];";
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}
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// insert deny permissions at the beginning and append grant permissions at the end
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if (prefix == "!")
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{
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permissionsbuilder.Insert(0, securityid);
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}
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else
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{
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permissionsbuilder.Append(securityid);
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}
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}
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permissions = permissionsbuilder.ToString();
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if (permissions != "")
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{
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permissionstrings.Add(new PermissionString { EntityName = entityname, PermissionName = permissionname, Permissions = permissions.Substring(0, permissions.Length - 1) });
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}
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return JsonSerializer.Serialize(permissionstrings);
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}
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}
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}
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