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@using System.Numerics;
@inject IDbContextFactory<HBContext> dbFactory;
@implements IDialog
<Dialog Title="Edit permissions" @ref=dialog>
@if(obj?.Acl is not null) {
<table class="data-table">
<tr>
<th>Action</th>
<th>Subject</th>
<th>Permissions</th>
<th></th>
</tr>
@foreach(var rule in obj.Acl.Rules.OrderByDescending(r => r.Action)) {
<tr>
<td><div><AclActionSwitch InitialValue=@(rule.Action == AclRuleAction.Allow)/></div></td>
<td>@rule.Principal.ToString()</td>
<td>@GetActivePermissions(rule)</td>
<td>
<a title="Edit" href="javascript:;">🖉</a>
<a title="Delete" href="javascript:;">✖</a>
</td>
</tr>
}
</table>
<br/>
<center><a href="javascript:;">Add new</a></center>
<ButtonContainer>
<button class="secondary" @onclick=Hide>Cancel</button>
<button data-keyboard-shortcut="a" @onclick=Hide><u>A</u>pply</button>
</ButtonContainer>
} else {
<center><i>This item does not have any permissions set!</i></center>
<ButtonContainer>
<button class="secondary" @onclick=Hide>Cancel</button>
</ButtonContainer>
}
</Dialog>
@code {
public bool Visible {
get => dialog.Visible;
set {
dialog.Visible = value;
if(value)
StateHasChanged();
}
}
private HBObject? obj;
private Dialog dialog;
public void Show() => Visible = true;
public void Hide() => Visible = false;
public void Show(HBObject obj) {
Object = obj;
Show();
}
public HBObject? Object {
get => obj;
set {
if(value is null) {
obj = null;
return;
}
using var db = dbFactory.CreateDbContext();
obj = db.Objects
.Include(o => o.Acl)
.First(o => o.ObjectId == value.ObjectId);
if(obj.Acl is not null)
db.Entry(obj.Acl).Collection(a => a.Rules).Load();
}
}
public string GetActivePermissions(AclRule rule) {
var perms = Acl.GetPermissionDescriptions(obj!)
.Where(kv => (rule.Permissions & kv.Value) == kv.Value)
.ToList();
// Filter the list of matching permissions to include the
// most relevant encapsulation permissions only. E.g. if
// 'Full access' includes 'Read' and 'Write', then only
// show 'Full access'.
List<int> toRemove = new();
for(int i = 0; i < perms.Count(); i++)
for(int j = 0; j < perms.Count(); j++)
if(i != j)
if((perms[i].Value & perms[j].Value) == perms[i].Value)
toRemove.Add(i);
for(int i = toRemove.Count() - 1; i >= 0; i--)
perms.RemoveAt(toRemove[i]);
return string.Join(", ", perms
.OrderByDescending(kv => BitOperations.PopCount(kv.Value))
.ThenByDescending(kv => kv.Value)
.Select(kv => kv.Key));
}
}
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