diff options
Diffstat (limited to 'MediaBrowser.Common/Net/IPNetAddress.cs')
| -rw-r--r-- | MediaBrowser.Common/Net/IPNetAddress.cs | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/MediaBrowser.Common/Net/IPNetAddress.cs b/MediaBrowser.Common/Net/IPNetAddress.cs deleted file mode 100644 index de72d978e..000000000 --- a/MediaBrowser.Common/Net/IPNetAddress.cs +++ /dev/null @@ -1,278 +0,0 @@ -using System; -using System.Net; -using System.Net.Sockets; - -namespace MediaBrowser.Common.Net -{ - /// <summary> - /// An object that holds and IP address and subnet mask. - /// </summary> - public class IPNetAddress : IPObject - { - /// <summary> - /// Represents an IPNetAddress that has no value. - /// </summary> - public static readonly IPNetAddress None = new IPNetAddress(IPAddress.None); - - /// <summary> - /// IPv4 multicast address. - /// </summary> - public static readonly IPAddress SSDPMulticastIPv4 = IPAddress.Parse("239.255.255.250"); - - /// <summary> - /// IPv6 local link multicast address. - /// </summary> - public static readonly IPAddress SSDPMulticastIPv6LinkLocal = IPAddress.Parse("ff02::C"); - - /// <summary> - /// IPv6 site local multicast address. - /// </summary> - public static readonly IPAddress SSDPMulticastIPv6SiteLocal = IPAddress.Parse("ff05::C"); - - /// <summary> - /// IP4Loopback address host. - /// </summary> - public static readonly IPNetAddress IP4Loopback = IPNetAddress.Parse("127.0.0.1/8"); - - /// <summary> - /// IP6Loopback address host. - /// </summary> - public static readonly IPNetAddress IP6Loopback = new IPNetAddress(IPAddress.IPv6Loopback); - - /// <summary> - /// Object's IP address. - /// </summary> - private IPAddress _address; - - /// <summary> - /// Initializes a new instance of the <see cref="IPNetAddress"/> class. - /// </summary> - /// <param name="address">Address to assign.</param> - public IPNetAddress(IPAddress address) - { - _address = address ?? throw new ArgumentNullException(nameof(address)); - PrefixLength = (byte)(address.AddressFamily == AddressFamily.InterNetwork ? 32 : 128); - } - - /// <summary> - /// Initializes a new instance of the <see cref="IPNetAddress"/> class. - /// </summary> - /// <param name="address">IP Address.</param> - /// <param name="prefixLength">Mask as a CIDR.</param> - public IPNetAddress(IPAddress address, byte prefixLength) - { - if (address?.IsIPv4MappedToIPv6 ?? throw new ArgumentNullException(nameof(address))) - { - _address = address.MapToIPv4(); - } - else - { - _address = address; - } - - PrefixLength = prefixLength; - } - - /// <summary> - /// Gets or sets the object's IP address. - /// </summary> - public override IPAddress Address - { - get - { - return _address; - } - - set - { - _address = value ?? IPAddress.None; - } - } - - /// <inheritdoc/> - public override byte PrefixLength { get; set; } - - /// <summary> - /// Try to parse the address and subnet strings into an IPNetAddress object. - /// </summary> - /// <param name="addr">IP address to parse. Can be CIDR or X.X.X.X notation.</param> - /// <param name="ip">Resultant object.</param> - /// <returns>True if the values parsed successfully. False if not, resulting in the IP being null.</returns> - public static bool TryParse(string addr, out IPNetAddress ip) - { - if (!string.IsNullOrEmpty(addr)) - { - addr = addr.Trim(); - - // Try to parse it as is. - if (IPAddress.TryParse(addr, out IPAddress? res)) - { - ip = new IPNetAddress(res); - return true; - } - - // Is it a network? - string[] tokens = addr.Split('/'); - - if (tokens.Length == 2) - { - tokens[0] = tokens[0].TrimEnd(); - tokens[1] = tokens[1].TrimStart(); - - if (IPAddress.TryParse(tokens[0], out res)) - { - // Is the subnet part a cidr? - if (byte.TryParse(tokens[1], out byte cidr)) - { - ip = new IPNetAddress(res, cidr); - return true; - } - - // Is the subnet in x.y.a.b form? - if (IPAddress.TryParse(tokens[1], out IPAddress? mask)) - { - ip = new IPNetAddress(res, MaskToCidr(mask)); - return true; - } - } - } - } - - ip = None; - return false; - } - - /// <summary> - /// Parses the string provided, throwing an exception if it is badly formed. - /// </summary> - /// <param name="addr">String to parse.</param> - /// <returns>IPNetAddress object.</returns> - public static IPNetAddress Parse(string addr) - { - if (TryParse(addr, out IPNetAddress o)) - { - return o; - } - - throw new ArgumentException("Unable to recognise object :" + addr); - } - - /// <inheritdoc/> - public override bool Contains(IPAddress address) - { - ArgumentNullException.ThrowIfNull(address); - - if (address.IsIPv4MappedToIPv6) - { - address = address.MapToIPv4(); - } - - if (address.AddressFamily != AddressFamily) - { - return false; - } - - var (altAddress, altPrefix) = NetworkAddressOf(address, PrefixLength); - return NetworkAddress.Address.Equals(altAddress) && NetworkAddress.PrefixLength >= altPrefix; - } - - /// <inheritdoc/> - public override bool Contains(IPObject address) - { - if (address is IPHost addressObj && addressObj.HasAddress) - { - foreach (IPAddress addr in addressObj.GetAddresses()) - { - if (Contains(addr)) - { - return true; - } - } - } - else if (address is IPNetAddress netaddrObj) - { - // Have the same network address, but different subnets? - if (NetworkAddress.Address.Equals(netaddrObj.NetworkAddress.Address)) - { - return NetworkAddress.PrefixLength <= netaddrObj.PrefixLength; - } - - var altAddress = NetworkAddressOf(netaddrObj.Address, PrefixLength).Address; - return NetworkAddress.Address.Equals(altAddress); - } - - return false; - } - - /// <inheritdoc/> - public override bool Equals(IPObject? other) - { - if (other is IPNetAddress otherObj && !Address.Equals(IPAddress.None) && !otherObj.Address.Equals(IPAddress.None)) - { - return Address.Equals(otherObj.Address) && - PrefixLength == otherObj.PrefixLength; - } - - return false; - } - - /// <inheritdoc/> - public override bool Equals(IPAddress ip) - { - if (ip is not null && !ip.Equals(IPAddress.None) && !Address.Equals(IPAddress.None)) - { - return ip.Equals(Address); - } - - return false; - } - - /// <inheritdoc/> - public override string ToString() - { - return ToString(false); - } - - /// <summary> - /// Returns a textual representation of this object. - /// </summary> - /// <param name="shortVersion">Set to true, if the subnet is to be excluded as part of the address.</param> - /// <returns>String representation of this object.</returns> - public string ToString(bool shortVersion) - { - if (!Address.Equals(IPAddress.None)) - { - if (Address.Equals(IPAddress.Any)) - { - return "Any IP4 Address"; - } - - if (Address.Equals(IPAddress.IPv6Any)) - { - return "Any IP6 Address"; - } - - if (Address.Equals(IPAddress.Broadcast)) - { - return "Any Address"; - } - - if (shortVersion) - { - return Address.ToString(); - } - - return $"{Address}/{PrefixLength}"; - } - - return string.Empty; - } - - /// <inheritdoc/> - protected override IPObject CalculateNetworkAddress() - { - var (address, prefixLength) = NetworkAddressOf(_address, PrefixLength); - return new IPNetAddress(address, prefixLength); - } - } -} |