Files
YouTube-Manager/Manager.YouTube/NetworkService.cs
2025-08-25 15:27:16 +02:00

59 lines
2.0 KiB
C#

using System.Text.Json;
using DotBased.Monads;
using Manager.YouTube.Models.Innertube;
using Manager.YouTube.Parsers;
using Manager.YouTube.Util;
namespace Manager.YouTube;
public static class NetworkService
{
public static async Task<Result<ClientState>> GetClientStateAsync(YouTubeClient client)
{
var origin = "https://www.youtube.com/";
var httpRequest = new HttpRequestMessage
{
Method = HttpMethod.Get,
RequestUri = new Uri(origin)
};
httpRequest.Headers.IfModifiedSince = new DateTimeOffset(DateTime.UtcNow);
httpRequest.Headers.UserAgent.ParseAdd(client.UserAgent);
if (client.SapisidCookie != null)
{
httpRequest.Headers.Authorization = AuthenticationUtilities.GetSapisidHashHeader(client.SapisidCookie.Value, origin);
httpRequest.Headers.Add("Origin", origin);
}
var http = client.GetHttpClient();
if (http == null)
{
return ResultError.Fail("Unable to get http client!");
}
var response = await http.SendAsync(httpRequest);
if (!response.IsSuccessStatusCode)
{
var responseResult = await response.Content.ReadAsStringAsync();
return Result<ClientState>.Fail(ResultError.Fail(responseResult));
}
var responseHtml = await response.Content.ReadAsStringAsync();
var clientStateResult = HtmlParser.GetJsonFromScriptFunction(responseHtml, "ytcfg.set");
if (clientStateResult is { IsSuccess: false, Error: not null })
{
return clientStateResult.Error;
}
ClientState? clientState;
try
{
clientState = JsonSerializer.Deserialize<ClientState>(clientStateResult.Value);
}
catch (Exception e)
{
return ResultError.Error(e, "Error while parsing JSON!");
}
return clientState == null ? ResultError.Fail("Unable to parse client state!") : clientState;
}
}