sharp-chat/SharpChat.DataProvider.Misuzu/MisuzuDataProvider.cs

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C#
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2022-08-30 15:05:29 +00:00
using Hamakaze;
using SharpChat.Bans;
using SharpChat.Configuration;
using SharpChat.DataProvider.Misuzu.Bans;
using SharpChat.DataProvider.Misuzu.Users;
using SharpChat.Users.Remote;
using System;
using System.Security.Cryptography;
using System.Text;
namespace SharpChat.DataProvider.Misuzu {
[DataProvider(@"misuzu")]
public class MisuzuDataProvider : IDataProvider {
private HttpClient HttpClient { get; }
private IConfig Config { get; }
private CachedValue<string> SecretKey { get; }
private CachedValue<string> BaseURL { get; }
private CachedValue<long> ActorIdValue { get; }
public IBanClient BanClient { get; }
public IRemoteUserClient UserClient { get; }
private const string DEFAULT_SECRET = @"woomy";
public long ActorId => ActorIdValue;
public MisuzuDataProvider(IConfig config, HttpClient httpClient) {
Config = config ?? throw new ArgumentNullException(nameof(config));
HttpClient = httpClient ?? throw new ArgumentNullException(nameof(httpClient));
SecretKey = Config.ReadCached(@"secret", DEFAULT_SECRET, TimeSpan.FromMinutes(1));
BaseURL = Config.ReadCached(@"endpoint", string.Empty, TimeSpan.FromMinutes(1));
ActorIdValue = Config.ReadCached(@"userId", 0L);
BanClient = new MisuzuBanClient(this, HttpClient);
UserClient = new MisuzuUserClient(this, HttpClient);
}
public string GetURL(string path)
=> BaseURL.Value + path;
public string GetSignedHash(object obj, string key = null)
=> GetSignedHash(obj.ToString(), key);
public string GetSignedHash(string str, string key = null)
=> GetSignedHash(Encoding.UTF8.GetBytes(str), key);
public string GetSignedHash(byte[] bytes, string key = null) {
StringBuilder sb = new();
using(HMACSHA256 algo = new(Encoding.UTF8.GetBytes(key ?? SecretKey))) {
byte[] hash = algo.ComputeHash(bytes);
foreach(byte b in hash)
sb.AppendFormat(@"{0:x2}", b);
}
return sb.ToString();
}
}
}