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LeaderboardScoresRepository.cs
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LeaderboardScoresRepository.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.Threading;
namespace OCLeaderboardMod
{
public class LeaderboardScoresRepository
{
public static LeaderboardScoresRepository Instance = new LeaderboardScoresRepository();
public class OneScore
{
public string Name { get; set; }
public string Score { get; set; }
public string Place { get; set; }
}
public class OneLevelOneSizeScore
{
public readonly List<OneScore> Scores = new List<OneScore>();
}
public class OneLevelScore
{
public readonly Dictionary<int, OneLevelOneSizeScore> SizeScores = new Dictionary<int, OneLevelOneSizeScore>();
public DateTime UpdateTime { get; set; } = DateTime.MinValue;
public bool LevelIsSupported { get; set; }
}
private static TimeSpan CACHE_INVALIDATION_TIMEOUT = new TimeSpan(0, 10, 0);
private static TimeSpan MAXIMUM_REQUEST_FREQUENCY = new TimeSpan(0, 0, 3);
private static string API_URL = "https://overcooked.greeny.dev/api/v1/overcooked-2/scores/";
private Dictionary<string, OneLevelScore> levelScores = new Dictionary<string, OneLevelScore>();
public DateTime LastQuery { get; set; } = DateTime.MinValue;
private object SyncRoot = new object();
public OneLevelScore GetOrStartRequestForLevel(string level)
{
bool needsRequest = false;
OneLevelScore result;
lock (SyncRoot)
{
var now = DateTime.Now;
if (!levelScores.ContainsKey(level) || levelScores[level].UpdateTime + CACHE_INVALIDATION_TIMEOUT < now)
{
if (LastQuery + MAXIMUM_REQUEST_FREQUENCY < now)
{
LastQuery = now;
needsRequest = true;
}
}
result = levelScores.ContainsKey(level) ? levelScores[level] : null;
}
if (needsRequest)
{
ThreadPool.QueueUserWorkItem((_) => MakeRequestForLevel(level));
}
return result;
}
private void MakeRequestForLevel(string level)
{
var url = API_URL + level;
Console.WriteLine("[OCLeaderboardMod] Making API request to " + url);
string json = "";
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.AutomaticDecompression = DecompressionMethods.GZip;
ServicePointManager.ServerCertificateValidationCallback = MyRemoteCertificateValidationCallback;
using (HttpWebResponse httpResponse = (HttpWebResponse)request.GetResponse())
using (Stream stream = httpResponse.GetResponseStream())
using (StreamReader reader = new StreamReader(stream))
{
json = reader.ReadToEnd();
}
var response = SimpleJSON.JSON.Parse(json);
lock (SyncRoot)
{
if (response["status"].AsInt == 404)
{
lock (SyncRoot)
{
levelScores[level] = new OneLevelScore
{
UpdateTime = DateTime.Now,
LevelIsSupported = false
};
}
}
else
{
foreach (var outerItem in response["data"]["levels"].AsArray.Children)
{
var outputData = new OneLevelScore()
{
UpdateTime = DateTime.Now,
LevelIsSupported = true,
};
var levelName = (string)outerItem["level"];
foreach (var item in outerItem["players"].AsArray.Children)
{
var playerCount = item["playerCount"].AsInt;
var outputRecord = new OneLevelOneSizeScore();
foreach (var record in item["scores"].AsArray.Children)
{
outputRecord.Scores.Add(new OneScore
{
Name = (string)record["name"],
Score = (string)record["score"],
Place = (string)record["place"],
});
}
outputData.SizeScores[playerCount] = outputRecord;
}
levelScores[levelName] = outputData;
}
}
}
}
catch (Exception e)
{
Console.WriteLine("[OCLeaderboardMod] Could not fetch json from API " + url + ": " + e);
}
}
public bool MyRemoteCertificateValidationCallback(System.Object sender,
X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
{
bool isOk = true;
// If there are errors in the certificate chain,
// look at each error to determine the cause.
if (sslPolicyErrors != SslPolicyErrors.None)
{
for (int i = 0; i < chain.ChainStatus.Length; i++)
{
if (chain.ChainStatus[i].Status == X509ChainStatusFlags.RevocationStatusUnknown)
{
continue;
}
chain.ChainPolicy.RevocationFlag = X509RevocationFlag.EntireChain;
chain.ChainPolicy.RevocationMode = X509RevocationMode.Online;
chain.ChainPolicy.UrlRetrievalTimeout = new TimeSpan(0, 1, 0);
chain.ChainPolicy.VerificationFlags = X509VerificationFlags.AllFlags;
bool chainIsValid = chain.Build((X509Certificate2)certificate);
if (!chainIsValid)
{
isOk = false;
break;
}
}
}
return isOk;
}
}
}