void InitRoles()
{
List <string> roles = new List <string>();
PermissionTo roleFor = this.RoleFor;
PermissionContext within;
if (this.PermissionContext.HasValue)
{
within = this.PermissionContext.Value;
}
else
{
within = this.Controller.DefaultPermissionContext;
}
foreach (PermissionTo sa in EnumHelper.GetOptions <PermissionTo>())
{
if (roleFor.MatchesFilter(sa))
{
roles.Add(string.Format("{0}_{1}", within.GetStringValue(), sa.GetStringValue()));
}
}
base.Roles = roles.Delimit();
_rolesInitialized = true;
}
/// <summary>
/// Determines whether an IPrinciple has Permission to do something within a PermissionContext.
/// </summary>
/// <param name="user"></param>
/// <param name="permission"></param>
/// <param name="within"></param>
/// <returns></returns>
public static bool Has(this System.Security.Principal.IPrincipal user, PermissionTo permission, PermissionContext within)
{
bool isInRole = false;
foreach (PermissionTo pt in EnumHelper.GetOptions <PermissionTo>())
{
if (permission.MatchesFilter(pt))
{
isInRole = user.IsInRole(string.Format("{0}_{1}", within.GetStringValue(), pt.GetStringValue()));
if (isInRole)
{
break;
}
}
}
return(isInRole);
}
/// <summary>
///
/// </summary>
/// <param name="requiring">Requiring Permission. Can be flagged.</param>
/// <param name="required">Required Permission. Cannot be flagged.</param>
public PermissionPrerequisiteAttribute(PermissionTo requiring, PermissionTo required)
{
this.Requiring = requiring;
this.Required = required;
}
/// <summary>
///
/// </summary>
/// <param name="permissionTo">Flagged enumerator indicated the supported Permissions</param>
public PermissionContextSupportsAttribute(PermissionTo permissionTo)
{
this.PermissionTo = permissionTo;
}
public ForcePermissionAttribute(PermissionTo permissionTo)
{
this.PermissionTo = permissionTo;
}
public PermissionPrerequisiteAttribute(PermissionTo required, PermissionContext requiredWithin)
{
this.Required = required;
this.RequiredWithin = requiredWithin;
}
/// <summary>
/// Ensures that the current user has sufficient permissions within the specified PermissionContext
/// </summary>
/// <param name="roleFor"></param>
/// <param name="within"></param>
public RequiresAttribute(PermissionTo roleFor, PermissionContext within)
: base()
{
this.RoleFor = roleFor;
this.PermissionContext = within;
}
/// <summary>
/// Ensures that the current user has sufficient permissions within the Controller's default
/// PermissionContext
/// </summary>
/// <param name="roleFor"></param>
public RequiresAttribute(PermissionTo roleFor)
: base()
{
this.RoleFor = roleFor;
this.PermissionContext = null;
}
