public IPermission GetPermission(string user, string channel)
{
IPermission result = new Permission();
List<SecurityRule> rules = securityRulesProvider.GetAll();
foreach (SecurityRule rule in rules)
{
if (rule.subject.Match(user) && rule.target.Match(channel))
{
switch (rule.permission.ToUpper())
{
case "R":
result.AddReadPermission();
break;
case "W":
result.AddWritePermission();
break;
case "RW":
result.AddReadPermission();
result.AddWritePermission();
break;
case "-R":
result.RemoveReadPermission();
break;
case "-W":
result.RemoveWritePermission();
break;
case "-RW":
result.RemoveWritePermission();
result.RemoveReadPermission();
break;
}
}
}
return result;
}