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Permission nodes

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This commit is contained in:
MarioE 2012-08-19 20:47:30 -04:00
parent 0b02b90df0
commit e22f3e03c4
1 changed files with 32 additions and 19 deletions
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51
TShockAPI/Group.cs
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@ -174,26 +174,39 @@ namespace TShockAPI
/// <returns>Returns true if the user has that permission.</returns>
public virtual bool HasPermission(string permission)
{
if (string.IsNullOrEmpty(permission))
return true;
var cur = this;
var traversed = new List<Group>();
while (cur != null)
{
if (cur.negatedpermissions.Contains(permission))
return false;
if (cur.permissions.Contains(permission))
return true;
if (traversed.Contains(cur))
{
throw new Exception("Infinite group parenting ({0})".SFormat(cur.Name));
}
traversed.Add(cur);
cur = cur.Parent;
}
return false;
string[] nodes = permission.Split('.');
for (int i = nodes.Length - 1; i >= 0; i--)
{
if (RealHasPermission(String.Join(".", nodes)))
{
return true;
}
nodes[i] = "*";
}
return false;
}
private bool RealHasPermission(string permission)
{
if (string.IsNullOrEmpty(permission))
return true;
var cur = this;
var traversed = new List<Group>();
while (cur != null)
{
if (cur.negatedpermissions.Contains(permission))
return false;
if (cur.permissions.Contains(permission))
return true;
if (traversed.Contains(cur))
{
throw new Exception("Infinite group parenting ({0})".SFormat(cur.Name));
}
traversed.Add(cur);
cur = cur.Parent;
}
return false;
}
/// <summary>
/// Adds a permission to the list of negated permissions.