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fix: replace broken private IP checker with IPNetwork library

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spiral 2021-12-01 11:48:14 -05:00
parent fc7a6357c0
commit 7c37726afb
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7 changed files with 7526 additions and 7495 deletions
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18
PluralKit.Core/Dispatch/DispatchModels.cs
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@ -55,6 +55,14 @@ public static class DispatchExt
return new StringContent(JsonConvert.SerializeObject(o), Encoding.UTF8, "application/json");
}
private static List<IPNetwork> _privateNetworks = new()
{
IPNetwork.IANA_ABLK_RESERVED1, // 10/8
IPNetwork.IANA_CBLK_RESERVED1, // 192.168/16
IPNetwork.Parse("127.0.0.0/8"),
IPNetwork.Parse("169.254.0.0/16"),
};
public static async Task<bool> ValidateUri(string url)
{
IPHostEntry host = null;
@ -77,15 +85,7 @@ public static class DispatchExt
foreach (var address in host.AddressList.Where(address =>
address.AddressFamily is AddressFamily.InterNetwork))
{
if ((address.Address & 0x7f000000) == 0x7f000000) // 127.0/8
return false;
if ((address.Address & 0xa000000) == 0xa000000) // 10.0/8
return false;
if ((address.Address & 0xa9fe0000) == 0xa9fe0000) // 169.254/16
return false;
if ((address.Address & 0xac100000) == 0xac100000) // 172.16/12
return false;
if ((address.Address & 0xc0a80000) == 0xc0a80000) // 192.168/16
if (_privateNetworks.Any(net => net.Contains(address)))
return false;
}