public static ListItem GetListItem(ERestrictionType type, bool selected)
{
var item = new ListItem(GetText(type), GetValue(type));
if (selected)
{
item.Selected = true;
}
return(item);
}
public static bool Equals(ERestrictionType type, string typeStr)
{
if (string.IsNullOrEmpty(typeStr))
{
return(false);
}
if (string.Equals(GetValue(type).ToLower(), typeStr.ToLower()))
{
return(true);
}
return(false);
}
public static string GetText(ERestrictionType type)
{
if (type == ERestrictionType.BlackList)
{
return("启用黑名单，禁止黑名单中的IP进行访问，其余允许访问");
}
if (type == ERestrictionType.WhiteList)
{
return("启用白名单，允许白名单中的IP进行访问，其余禁止访问");
}
return("无访问限制");
}
public static string GetValue(ERestrictionType type)
{
if (type == ERestrictionType.BlackList)
{
return("BlackList");
}
if (type == ERestrictionType.WhiteList)
{
return("WhiteList");
}
return("None");
}
public static bool IsVisitAllowed(ERestrictionType restrictionType, StringCollection restrictionBlackList, StringCollection restrictionWhiteList)
{
if (restrictionType == ERestrictionType.NoRestriction)
{
return(true);
}
var restrictionList = new StringCollection();
if (restrictionType == ERestrictionType.BlackList)
{
restrictionList = restrictionBlackList;
}
else if (restrictionType == ERestrictionType.WhiteList)
{
restrictionList = restrictionWhiteList;
}
return(IsVisitAllowed(restrictionType, restrictionList));
}
public static string GetShortText(ERestrictionType type)
{
if (type == ERestrictionType.NoRestriction)
{
return("无");
}
else if (type == ERestrictionType.BlackList)
{
return("启用黑名单");
}
else if (type == ERestrictionType.WhiteList)
{
return("启用白名单");
}
else
{
throw new Exception();
}
}
public static string GetText(ERestrictionType type)
{
if (type == ERestrictionType.NoRestriction)
{
return("无访问限制");
}
else if (type == ERestrictionType.BlackList)
{
return("启用黑名单，禁止黑名单中的IP进行访问，其余允许访问");
}
else if (type == ERestrictionType.WhiteList)
{
return("启用白名单，允许白名单中的IP进行访问，其余禁止访问");
}
else
{
throw new Exception();
}
}
public static string GetValue(ERestrictionType type)
{
if (type == ERestrictionType.NoRestriction)
{
return("NoRestriction");
}
else if (type == ERestrictionType.BlackList)
{
return("BlackList");
}
else if (type == ERestrictionType.WhiteList)
{
return("WhiteList");
}
else
{
throw new Exception();
}
}
private static bool IsVisitAllowed(ERestrictionType restrictionType, StringCollection restrictionList)
{
var isAllowed = true;
if (restrictionType != ERestrictionType.NoRestriction)
{
var userIP = PageUtils.GetIpAddress();
if (restrictionType == ERestrictionType.BlackList)
{
var list = new IPList();
foreach (var restriction in restrictionList)
{
AddRestrictionToIPList(list, restriction);
}
if (list.CheckNumber(userIP))
{
isAllowed = false;
}
}
else if (restrictionType == ERestrictionType.WhiteList)
{
if (restrictionList.Count > 0)
{
isAllowed = false;
var list = new IPList();
foreach (var restriction in restrictionList)
{
AddRestrictionToIPList(list, restriction);
}
if (list.CheckNumber(userIP))
{
isAllowed = true;
}
}
}
}
return(isAllowed);
}
public static bool Equals(string typeStr, ERestrictionType type)
{
return(Equals(type, typeStr));
}