95 lines
2.4 KiB
C#
95 lines
2.4 KiB
C#
using System.Net;
|
|
using System.Net.Sockets;
|
|
using System.Text;
|
|
|
|
using Newtonsoft.Json;
|
|
using Newtonsoft.Json.Linq;
|
|
|
|
namespace PluralKit.Core;
|
|
|
|
public enum DispatchEvent
|
|
{
|
|
PING,
|
|
UPDATE_SYSTEM,
|
|
CREATE_MEMBER,
|
|
UPDATE_MEMBER,
|
|
DELETE_MEMBER,
|
|
CREATE_GROUP,
|
|
UPDATE_GROUP,
|
|
UPDATE_GROUP_MEMBERS,
|
|
DELETE_GROUP,
|
|
LINK_ACCOUNT,
|
|
UNLINK_ACCOUNT,
|
|
UPDATE_SYSTEM_GUILD,
|
|
UPDATE_MEMBER_GUILD,
|
|
CREATE_MESSAGE,
|
|
CREATE_SWITCH,
|
|
UPDATE_SWITCH,
|
|
DELETE_SWITCH,
|
|
DELETE_ALL_SWITCHES,
|
|
SUCCESSFUL_IMPORT
|
|
}
|
|
|
|
public struct UpdateDispatchData
|
|
{
|
|
public DispatchEvent Event;
|
|
public string SystemId;
|
|
public string? EntityId;
|
|
public string SigningToken;
|
|
public JObject? EventData;
|
|
}
|
|
|
|
public static class DispatchExt
|
|
{
|
|
public static StringContent GetPayloadBody(this UpdateDispatchData data)
|
|
{
|
|
var o = new JObject();
|
|
|
|
o.Add("type", data.Event.ToString());
|
|
o.Add("signing_token", data.SigningToken);
|
|
o.Add("system_id", data.SystemId);
|
|
o.Add("id", data.EntityId);
|
|
o.Add("data", data.EventData);
|
|
|
|
return new StringContent(JsonConvert.SerializeObject(o), Encoding.UTF8, "application/json");
|
|
}
|
|
|
|
public static async Task<bool> ValidateUri(string url)
|
|
{
|
|
IPHostEntry host = null;
|
|
|
|
try
|
|
{
|
|
var uri = new Uri(url);
|
|
host = await Dns.GetHostEntryAsync(uri.DnsSafeHost);
|
|
}
|
|
catch (Exception)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (host == null || host.AddressList.Length == 0)
|
|
return false;
|
|
|
|
#pragma warning disable CS0618
|
|
|
|
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 & 0x0a000000) == 0x0a000000) // 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 (host.AddressList.Any(address => address.IsIPv6LinkLocal))
|
|
return false;
|
|
|
|
// we only support IPv4 in prod :(
|
|
return host.AddressList.Any(address => address.AddressFamily is AddressFamily.InterNetwork);
|
|
}
|
|
} |