public virtual bool CurrentUserHasPermission()
{
bool result = false;
string currentUserLoginName = SecurityContextManager.CurrentUser.CurrentSPUser.LoginName;
SPSecurity.RunWithElevatedPrivileges(delegate()
{
using (SPSite site = new SPSite(SecurityContextManager.WebUrl))
{
using (SPWeb web = site.OpenWeb())
{
SPPermissionInfo info = web.GetUserEffectivePermissionInfo(currentUserLoginName);
SPRoleDefinition roleDefinition = null;
try
{
roleDefinition = web.RoleDefinitions[Name];
}
catch (Exception)
{
//if unable to find the role definition it will throw an exception
}
SPRoleDefinition secondaryRoleDefinition = null;
if (OldName != null)
{
try
{
secondaryRoleDefinition = web.RoleDefinitions[OldName];
}
catch (Exception)
{
//if unable to find the role definition it will throw an exception
}
}
if (roleDefinition != null && info != null)
{
foreach (SPRoleAssignment roleAssignment in info.RoleAssignments)
{
if (roleAssignment.RoleDefinitionBindings.Contains(roleDefinition))
{
result = true;
break;
}
if (secondaryRoleDefinition != null)
{
if (roleAssignment.RoleDefinitionBindings.Contains(secondaryRoleDefinition))
{
result = true;
break;
}
}
}
}
}
}
});
return(result);
}
public static bool IsUserInItemRole(this SPListItem item, SPPrincipal user, int roleId)
{
SPPermissionInfo userEffectivePermissions = item.GetUserEffectivePermissionInfo(user.LoginName);
SPRoleDefinition roleDefinition = item.Web.RoleDefinitions.GetById(roleId);
foreach (SPRoleAssignment roleAssignment in userEffectivePermissions.RoleAssignments)
{
if (roleAssignment.RoleDefinitionBindings.Contains(roleDefinition))
{
return(true);
}
}
return(false);
}
