Migrated remaining *TreeController's
Signed-off-by: Bjarke Berg <mail@bergmania.dk>
This commit is contained in:
Bjarke Berg
599
src/Umbraco.Web.BackOffice/Trees/ContentTreeControllerBase.cs
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599
src/Umbraco.Web.BackOffice/Trees/ContentTreeControllerBase.cs
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@@ -0,0 +1,599 @@
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net;
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using Umbraco.Core;
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using Umbraco.Core.Services;
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using Umbraco.Core.Logging;
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using Umbraco.Core.Models;
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using Umbraco.Web.Models.Trees;
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using Umbraco.Core.Models.Entities;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Umbraco.Web.Actions;
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using Umbraco.Core.Security;
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using Umbraco.Extensions;
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using Umbraco.Web.BackOffice.Trees;
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using Umbraco.Web.Common.Exceptions;
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using Umbraco.Web.Common.ModelBinders;
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using Umbraco.Web.Security;
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using Umbraco.Web.WebApi;
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namespace Umbraco.Web.Trees
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{
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public abstract class ContentTreeControllerBase : TreeController, ITreeNodeController
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{
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private readonly IEntityService _entityService;
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private readonly IWebSecurity _webSecurity;
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private readonly ILogger _logger;
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private readonly ActionCollection _actionCollection;
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private readonly IUserService _userService;
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private readonly IDataTypeService _dataTypeService;
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public IMenuItemCollectionFactory MenuItemCollectionFactory { get; }
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protected ContentTreeControllerBase(
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ILocalizedTextService localizedTextService,
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UmbracoApiControllerTypeCollection umbracoApiControllerTypeCollection,
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IMenuItemCollectionFactory menuItemCollectionFactory,
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IEntityService entityService,
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IWebSecurity webSecurity,
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ILogger logger,
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ActionCollection actionCollection,
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IUserService userService,
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IDataTypeService dataTypeService
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)
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: base(localizedTextService, umbracoApiControllerTypeCollection)
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{
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_entityService = entityService;
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_webSecurity = webSecurity;
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_logger = logger;
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_actionCollection = actionCollection;
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_userService = userService;
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_dataTypeService = dataTypeService;
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MenuItemCollectionFactory = menuItemCollectionFactory;
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}
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#region Actions
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/// <summary>
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/// Gets an individual tree node
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/// </summary>
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/// <param name="id"></param>
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/// <param name="queryStrings"></param>
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/// <returns></returns>
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public ActionResult<TreeNode> GetTreeNode(string id, [ModelBinder(typeof(HttpQueryStringModelBinder))]FormCollection queryStrings)
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{
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int asInt;
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Guid asGuid = Guid.Empty;
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if (int.TryParse(id, out asInt) == false)
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{
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if (Guid.TryParse(id, out asGuid) == false)
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{
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return NotFound();
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}
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}
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var entity = asGuid == Guid.Empty
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? _entityService.Get(asInt, UmbracoObjectType)
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: _entityService.Get(asGuid, UmbracoObjectType);
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if (entity == null)
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{
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return NotFound();
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}
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var node = GetSingleTreeNode(entity, entity.ParentId.ToInvariantString(), queryStrings);
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//add the tree alias to the node since it is standalone (has no root for which this normally belongs)
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node.AdditionalData["treeAlias"] = TreeAlias;
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return node;
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}
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#endregion
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/// <summary>
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/// Ensure the noAccess metadata is applied for the root node if in dialog mode and the user doesn't have path access to it
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/// </summary>
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/// <param name="queryStrings"></param>
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/// <returns></returns>
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protected override TreeNode CreateRootNode(FormCollection queryStrings)
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{
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var node = base.CreateRootNode(queryStrings);
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if (IsDialog(queryStrings) && UserStartNodes.Contains(Constants.System.Root) == false && IgnoreUserStartNodes(queryStrings) == false)
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{
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node.AdditionalData["noAccess"] = true;
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}
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return node;
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}
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protected abstract TreeNode GetSingleTreeNode(IEntitySlim entity, string parentId, FormCollection queryStrings);
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/// <summary>
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/// Returns a <see cref="TreeNode"/> for the <see cref="IUmbracoEntity"/> and
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/// attaches some meta data to the node if the user doesn't have start node access to it when in dialog mode
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/// </summary>
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/// <param name="e"></param>
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/// <param name="parentId"></param>
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/// <param name="queryStrings"></param>
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/// <returns></returns>
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internal TreeNode GetSingleTreeNodeWithAccessCheck(IEntitySlim e, string parentId, FormCollection queryStrings,
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int[] startNodeIds, string[] startNodePaths)
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{
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var entityIsAncestorOfStartNodes = ContentPermissionsHelper.IsInBranchOfStartNode(e.Path, startNodeIds, startNodePaths, out var hasPathAccess);
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var ignoreUserStartNodes = IgnoreUserStartNodes(queryStrings);
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if (ignoreUserStartNodes == false && entityIsAncestorOfStartNodes == false)
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return null;
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var treeNode = GetSingleTreeNode(e, parentId, queryStrings);
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if (treeNode == null)
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{
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//this means that the user has NO access to this node via permissions! They at least need to have browse permissions to see
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//the node so we need to return null;
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return null;
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}
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if (!ignoreUserStartNodes && !hasPathAccess)
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{
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treeNode.AdditionalData["noAccess"] = true;
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}
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return treeNode;
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}
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private void GetUserStartNodes(out int[] startNodeIds, out string[] startNodePaths)
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{
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switch (RecycleBinId)
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{
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case Constants.System.RecycleBinMedia:
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startNodeIds = _webSecurity.CurrentUser.CalculateMediaStartNodeIds(_entityService);
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startNodePaths = _webSecurity.CurrentUser.GetMediaStartNodePaths(_entityService);
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break;
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case Constants.System.RecycleBinContent:
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startNodeIds = _webSecurity.CurrentUser.CalculateContentStartNodeIds(_entityService);
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startNodePaths = _webSecurity.CurrentUser.GetContentStartNodePaths(_entityService);
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break;
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default:
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throw new NotSupportedException("Path access is only determined on content or media");
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}
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}
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/// <summary>
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/// Returns the
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/// </summary>
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protected abstract int RecycleBinId { get; }
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/// <summary>
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/// Returns true if the recycle bin has items in it
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/// </summary>
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protected abstract bool RecycleBinSmells { get; }
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/// <summary>
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/// Returns the user's start node for this tree
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/// </summary>
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protected abstract int[] UserStartNodes { get; }
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protected virtual TreeNodeCollection PerformGetTreeNodes(string id, FormCollection queryStrings)
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{
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var nodes = new TreeNodeCollection();
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var rootIdString = Constants.System.RootString;
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var hasAccessToRoot = UserStartNodes.Contains(Constants.System.Root);
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var startNodeId = queryStrings.HasKey(TreeQueryStringParameters.StartNodeId)
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? queryStrings.GetValue<string>(TreeQueryStringParameters.StartNodeId)
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: string.Empty;
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var ignoreUserStartNodes = IgnoreUserStartNodes(queryStrings);
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if (string.IsNullOrEmpty(startNodeId) == false && startNodeId != "undefined" && startNodeId != rootIdString)
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{
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// request has been made to render from a specific, non-root, start node
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id = startNodeId;
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// ensure that the user has access to that node, otherwise return the empty tree nodes collection
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// TODO: in the future we could return a validation statement so we can have some UI to notify the user they don't have access
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if (ignoreUserStartNodes == false && HasPathAccess(id, queryStrings) == false)
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{
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_logger.Warn<ContentTreeControllerBase>("User {Username} does not have access to node with id {Id}", _webSecurity.CurrentUser.Username, id);
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return nodes;
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}
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// if the tree is rendered...
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// - in a dialog: render only the children of the specific start node, nothing to do
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// - in a section: if the current user's start nodes do not contain the root node, we need
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// to include these start nodes in the tree too, to provide some context - i.e. change
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// start node back to root node, and then GetChildEntities method will take care of the rest.
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if (IsDialog(queryStrings) == false && hasAccessToRoot == false)
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id = rootIdString;
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}
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// get child entities - if id is root, but user's start nodes do not contain the
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// root node, this returns the start nodes instead of root's children
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var entities = GetChildEntities(id, queryStrings).ToList();
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//get the current user start node/paths
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GetUserStartNodes(out var userStartNodes, out var userStartNodePaths);
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// if the user does not have access to the root node, what we have is the start nodes,
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// but to provide some context we need to add their topmost nodes when they are not
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// topmost nodes themselves (level > 1).
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if (id == rootIdString && hasAccessToRoot == false)
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{
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// first add the entities that are topmost to the nodes collection
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var topMostEntities = entities.Where(x => x.Level == 1).ToArray();
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nodes.AddRange(topMostEntities.Select(x => GetSingleTreeNodeWithAccessCheck(x, id, queryStrings, userStartNodes, userStartNodePaths)).Where(x => x != null));
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// now add the topmost nodes of the entities that aren't topmost to the nodes collection as well
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// - these will appear as "no-access" nodes in the tree, but will allow the editors to drill down through the tree
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// until they reach their start nodes
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var topNodeIds = entities.Except(topMostEntities).Select(GetTopNodeId).Where(x => x != 0).Distinct().ToArray();
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if (topNodeIds.Length > 0)
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{
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var topNodes = _entityService.GetAll(UmbracoObjectType, topNodeIds.ToArray());
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nodes.AddRange(topNodes.Select(x => GetSingleTreeNodeWithAccessCheck(x, id, queryStrings, userStartNodes, userStartNodePaths)).Where(x => x != null));
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}
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}
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else
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{
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// the user has access to the root, just add the entities
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nodes.AddRange(entities.Select(x => GetSingleTreeNodeWithAccessCheck(x, id, queryStrings, userStartNodes, userStartNodePaths)).Where(x => x != null));
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}
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return nodes;
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}
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private static readonly char[] Comma = { ',' };
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private int GetTopNodeId(IUmbracoEntity entity)
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{
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int id;
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var parts = entity.Path.Split(Comma, StringSplitOptions.RemoveEmptyEntries);
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return parts.Length >= 2 && int.TryParse(parts[1], out id) ? id : 0;
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}
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protected abstract MenuItemCollection PerformGetMenuForNode(string id, FormCollection queryStrings);
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protected abstract UmbracoObjectTypes UmbracoObjectType { get; }
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protected virtual IEnumerable<IEntitySlim> GetChildEntities(string id, FormCollection queryStrings)
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{
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// try to parse id as an integer else use GetEntityFromId
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// which will grok Guids, Udis, etc and let use obtain the id
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if (!int.TryParse(id, out var entityId))
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{
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var entity = GetEntityFromId(id);
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if (entity == null)
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throw new HttpResponseException(HttpStatusCode.NotFound);
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entityId = entity.Id;
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}
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var ignoreUserStartNodes = IgnoreUserStartNodes(queryStrings);
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IEntitySlim[] result;
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// if a request is made for the root node but user has no access to
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// root node, return start nodes instead
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if (!ignoreUserStartNodes && entityId == Constants.System.Root && UserStartNodes.Contains(Constants.System.Root) == false)
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{
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result = UserStartNodes.Length > 0
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? _entityService.GetAll(UmbracoObjectType, UserStartNodes).ToArray()
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: Array.Empty<IEntitySlim>();
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}
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else
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{
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result = GetChildrenFromEntityService(entityId).ToArray();
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}
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return result;
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}
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private IEnumerable<IEntitySlim> GetChildrenFromEntityService(int entityId)
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=> _entityService.GetChildren(entityId, UmbracoObjectType).ToList();
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/// <summary>
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/// Returns true or false if the current user has access to the node based on the user's allowed start node (path) access
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/// </summary>
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/// <param name="id"></param>
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/// <param name="queryStrings"></param>
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/// <returns></returns>
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//we should remove this in v8, it's now here for backwards compat only
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protected abstract bool HasPathAccess(string id, FormCollection queryStrings);
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/// <summary>
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/// Returns true or false if the current user has access to the node based on the user's allowed start node (path) access
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/// </summary>
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/// <param name="entity"></param>
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/// <param name="queryStrings"></param>
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/// <returns></returns>
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protected bool HasPathAccess(IUmbracoEntity entity, FormCollection queryStrings)
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{
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if (entity == null) return false;
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return RecycleBinId == Constants.System.RecycleBinContent
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? _webSecurity.CurrentUser.HasContentPathAccess(entity, _entityService)
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: _webSecurity.CurrentUser.HasMediaPathAccess(entity, _entityService);
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}
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/// <summary>
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/// Ensures the recycle bin is appended when required (i.e. user has access to the root and it's not in dialog mode)
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/// </summary>
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/// <param name="id"></param>
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/// <param name="queryStrings"></param>
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/// <returns></returns>
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/// <remarks>
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/// This method is overwritten strictly to render the recycle bin, it should serve no other purpose
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/// </remarks>
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protected sealed override TreeNodeCollection GetTreeNodes(string id, FormCollection queryStrings)
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{
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//check if we're rendering the root
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if (id == Constants.System.RootString && UserStartNodes.Contains(Constants.System.Root))
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{
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var altStartId = string.Empty;
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if (queryStrings.HasKey(TreeQueryStringParameters.StartNodeId))
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altStartId = queryStrings.GetValue<string>(TreeQueryStringParameters.StartNodeId);
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//check if a request has been made to render from a specific start node
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if (string.IsNullOrEmpty(altStartId) == false && altStartId != "undefined" && altStartId != Constants.System.RootString)
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{
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id = altStartId;
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}
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var nodes = GetTreeNodesInternal(id, queryStrings);
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//only render the recycle bin if we are not in dialog and the start id is still the root
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//we need to check for the "application" key in the queryString because its value is required here,
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//and for some reason when there are no dashboards, this parameter is missing
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if (IsDialog(queryStrings) == false && id == Constants.System.RootString && queryStrings.HasKey("application"))
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{
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nodes.Add(CreateTreeNode(
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RecycleBinId.ToInvariantString(),
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id,
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queryStrings,
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LocalizedTextService.Localize("general/recycleBin"),
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"icon-trash",
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RecycleBinSmells,
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queryStrings.GetRequiredValue<string>("application") + TreeAlias.EnsureStartsWith('/') + "/recyclebin"));
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}
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return nodes;
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}
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return GetTreeNodesInternal(id, queryStrings);
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}
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/// <summary>
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/// Check to see if we should return children of a container node
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/// </summary>
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/// <param name="e"></param>
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/// <returns></returns>
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/// <remarks>
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/// This is required in case a user has custom start nodes that are children of a list view since in that case we'll need to render the tree node. In normal cases we don't render
|
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/// children of a list view.
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/// </remarks>
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protected bool ShouldRenderChildrenOfContainer(IEntitySlim e)
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{
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var isContainer = e.IsContainer;
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||||
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var renderChildren = e.HasChildren && (isContainer == false);
|
||||
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||||
//Here we need to figure out if the node is a container and if so check if the user has a custom start node, then check if that start node is a child
|
||||
// of this container node. If that is true, the HasChildren must be true so that the tree node still renders even though this current node is a container/list view.
|
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if (isContainer && UserStartNodes.Length > 0 && UserStartNodes.Contains(Constants.System.Root) == false)
|
||||
{
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||||
var startNodes = _entityService.GetAll(UmbracoObjectType, UserStartNodes);
|
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//if any of these start nodes' parent is current, then we need to render children normally so we need to switch some logic and tell
|
||||
// the UI that this node does have children and that it isn't a container
|
||||
|
||||
if (startNodes.Any(x =>
|
||||
{
|
||||
var pathParts = x.Path.Split(',');
|
||||
return pathParts.Contains(e.Id.ToInvariantString());
|
||||
}))
|
||||
{
|
||||
renderChildren = true;
|
||||
}
|
||||
}
|
||||
|
||||
return renderChildren;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Before we make a call to get the tree nodes we have to check if they can actually be rendered
|
||||
/// </summary>
|
||||
/// <param name="id"></param>
|
||||
/// <param name="queryStrings"></param>
|
||||
/// <returns></returns>
|
||||
/// <remarks>
|
||||
/// Currently this just checks if it is a container type, if it is we cannot render children. In the future this might check for other things.
|
||||
/// </remarks>
|
||||
private TreeNodeCollection GetTreeNodesInternal(string id, FormCollection queryStrings)
|
||||
{
|
||||
var current = GetEntityFromId(id);
|
||||
|
||||
//before we get the children we need to see if this is a container node
|
||||
|
||||
//test if the parent is a listview / container
|
||||
if (current != null && ShouldRenderChildrenOfContainer(current) == false)
|
||||
{
|
||||
//no children!
|
||||
return new TreeNodeCollection();
|
||||
}
|
||||
|
||||
return PerformGetTreeNodes(id, queryStrings);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if the menu requested is for the recycle bin and renders that, otherwise renders the result of PerformGetMenuForNode
|
||||
/// </summary>
|
||||
/// <param name="id"></param>
|
||||
/// <param name="queryStrings"></param>
|
||||
/// <returns></returns>
|
||||
protected sealed override MenuItemCollection GetMenuForNode(string id, FormCollection queryStrings)
|
||||
{
|
||||
if (RecycleBinId.ToInvariantString() == id)
|
||||
{
|
||||
// get the default assigned permissions for this user
|
||||
var deleteAllowed = false;
|
||||
var deleteAction = _actionCollection.FirstOrDefault(y => y.Letter == ActionDelete.ActionLetter);
|
||||
if (deleteAction != null)
|
||||
{
|
||||
var perms = _webSecurity.CurrentUser.GetPermissions(Constants.System.RecycleBinContentString, _userService);
|
||||
deleteAllowed = perms.FirstOrDefault(x => x.Contains(deleteAction.Letter)) != null;
|
||||
}
|
||||
|
||||
var menu = MenuItemCollectionFactory.Create();
|
||||
// only add empty recycle bin if the current user is allowed to delete by default
|
||||
if (deleteAllowed)
|
||||
{
|
||||
menu.Items.Add(new MenuItem("emptyRecycleBin", LocalizedTextService)
|
||||
{
|
||||
Icon = "trash",
|
||||
OpensDialog = true
|
||||
});
|
||||
menu.Items.Add(new RefreshNode(LocalizedTextService, true));
|
||||
}
|
||||
return menu;
|
||||
}
|
||||
|
||||
return PerformGetMenuForNode(id, queryStrings);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Based on the allowed actions, this will filter the ones that the current user is allowed
|
||||
/// </summary>
|
||||
/// <param name="menuWithAllItems"></param>
|
||||
/// <param name="userAllowedMenuItems"></param>
|
||||
/// <returns></returns>
|
||||
protected void FilterUserAllowedMenuItems(MenuItemCollection menuWithAllItems, IEnumerable<MenuItem> userAllowedMenuItems)
|
||||
{
|
||||
var userAllowedActions = userAllowedMenuItems.Where(x => x.Action != null).Select(x => x.Action).ToArray();
|
||||
|
||||
var notAllowed = menuWithAllItems.Items.Where(
|
||||
a => (a.Action != null
|
||||
&& a.Action.CanBePermissionAssigned
|
||||
&& (a.Action.CanBePermissionAssigned == false || userAllowedActions.Contains(a.Action) == false)))
|
||||
.ToArray();
|
||||
|
||||
//remove the ones that aren't allowed.
|
||||
foreach (var m in notAllowed)
|
||||
{
|
||||
menuWithAllItems.Items.Remove(m);
|
||||
// if the disallowed action is set as default action, make sure to reset the default action as well
|
||||
if (menuWithAllItems.DefaultMenuAlias == m.Alias)
|
||||
{
|
||||
menuWithAllItems.DefaultMenuAlias = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal IEnumerable<MenuItem> GetAllowedUserMenuItemsForNode(IUmbracoEntity dd)
|
||||
{
|
||||
var permissionsForPath = _userService.GetPermissionsForPath(_webSecurity.CurrentUser, dd.Path).GetAllPermissions();
|
||||
return _actionCollection.GetByLetters(permissionsForPath).Select(x => new MenuItem(x));
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Determines if the user has access to view the node/document
|
||||
/// </summary>
|
||||
/// <param name="doc">The Document to check permissions against</param>
|
||||
/// <param name="allowedUserOptions">A list of MenuItems that the user has permissions to execute on the current document</param>
|
||||
/// <remarks>By default the user must have Browse permissions to see the node in the Content tree</remarks>
|
||||
/// <returns></returns>
|
||||
internal bool CanUserAccessNode(IUmbracoEntity doc, IEnumerable<MenuItem> allowedUserOptions, string culture)
|
||||
{
|
||||
// TODO: At some stage when we implement permissions on languages we'll need to take care of culture
|
||||
return allowedUserOptions.Select(x => x.Action).OfType<ActionBrowse>().Any();
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// this will parse the string into either a GUID or INT
|
||||
/// </summary>
|
||||
/// <param name="id"></param>
|
||||
/// <returns></returns>
|
||||
internal Tuple<Guid?, int?> GetIdentifierFromString(string id)
|
||||
{
|
||||
Guid idGuid;
|
||||
int idInt;
|
||||
Udi idUdi;
|
||||
|
||||
if (Guid.TryParse(id, out idGuid))
|
||||
{
|
||||
return new Tuple<Guid?, int?>(idGuid, null);
|
||||
}
|
||||
if (int.TryParse(id, out idInt))
|
||||
{
|
||||
return new Tuple<Guid?, int?>(null, idInt);
|
||||
}
|
||||
if (UdiParser.TryParse(id, out idUdi))
|
||||
{
|
||||
var guidUdi = idUdi as GuidUdi;
|
||||
if (guidUdi != null)
|
||||
return new Tuple<Guid?, int?>(guidUdi.Guid, null);
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get an entity via an id that can be either an integer, Guid or UDI
|
||||
/// </summary>
|
||||
/// <param name="id"></param>
|
||||
/// <returns></returns>
|
||||
/// <remarks>
|
||||
/// This object has it's own contextual cache for these lookups
|
||||
/// </remarks>
|
||||
internal IEntitySlim GetEntityFromId(string id)
|
||||
{
|
||||
return _entityCache.GetOrAdd(id, s =>
|
||||
{
|
||||
IEntitySlim entity;
|
||||
|
||||
if (Guid.TryParse(s, out var idGuid))
|
||||
{
|
||||
entity = _entityService.Get(idGuid, UmbracoObjectType);
|
||||
}
|
||||
else if (int.TryParse(s, out var idInt))
|
||||
{
|
||||
entity = _entityService.Get(idInt, UmbracoObjectType);
|
||||
}
|
||||
else if (UdiParser.TryParse(s, out var idUdi))
|
||||
{
|
||||
var guidUdi = idUdi as GuidUdi;
|
||||
entity = guidUdi != null ? _entityService.Get(guidUdi.Guid, UmbracoObjectType) : null;
|
||||
}
|
||||
else
|
||||
{
|
||||
entity = null;
|
||||
}
|
||||
|
||||
return entity;
|
||||
});
|
||||
}
|
||||
|
||||
private readonly ConcurrentDictionary<string, IEntitySlim> _entityCache = new ConcurrentDictionary<string, IEntitySlim>();
|
||||
|
||||
private bool? _ignoreUserStartNodes;
|
||||
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// If the request should allows a user to choose nodes that they normally don't have access to
|
||||
/// </summary>
|
||||
/// <param name="queryStrings"></param>
|
||||
/// <returns></returns>
|
||||
internal bool IgnoreUserStartNodes(FormCollection queryStrings)
|
||||
{
|
||||
if (_ignoreUserStartNodes.HasValue) return _ignoreUserStartNodes.Value;
|
||||
|
||||
var dataTypeKey = queryStrings.GetValue<Guid?>(TreeQueryStringParameters.DataTypeKey);
|
||||
_ignoreUserStartNodes = dataTypeKey.HasValue && _dataTypeService.IsDataTypeIgnoringUserStartNodes(dataTypeKey.Value);
|
||||
|
||||
return _ignoreUserStartNodes.Value;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user