AbstractHttpClientFactory.cs

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using System;
using System.Net.Http;
 
using Microsoft.Extensions.Logging;
 
using Tgstation.Server.Common.Http;
using Tgstation.Server.Host.System;
 
namespace Tgstation.Server.Host.Utils
{
    sealed class AbstractHttpClientFactory : IAbstractHttpClientFactory
    {
        readonly IHttpClientFactory httpClientFactory;
 
        readonly IAssemblyInformationProvider assemblyInformationProvider;
 
        readonly ILogger<AbstractHttpClientFactory> logger;
 
        public AbstractHttpClientFactory(
            IHttpClientFactory httpClientFactory,
            IAssemblyInformationProvider assemblyInformationProvider,
            ILogger<AbstractHttpClientFactory> logger)
        {
            this.httpClientFactory = httpClientFactory ?? throw new ArgumentNullException(nameof(httpClientFactory));
            this.assemblyInformationProvider = assemblyInformationProvider ?? throw new ArgumentNullException(nameof(assemblyInformationProvider));
            this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
        }
 
#pragma warning disable IDE0079
#pragma warning disable CA2000
        public IHttpClient CreateClient()
        {
            logger.LogTrace("Creating client...");
            var innerClient = httpClientFactory.CreateClient();
            try
            {
                var client = new Tgstation.Server.Common.Http.HttpClient(innerClient);
                innerClient = null;
                try
                {
                    client.DefaultRequestHeaders.UserAgent.Add(assemblyInformationProvider.ProductInfoHeaderValue);
                    return client;
                }
                catch
                {
                    client.Dispose();
                    throw;
                }
            }
            catch
            {
                innerClient?.Dispose();
                throw;
            }
        }
#pragma warning restore CA2000
#pragma warning restore IDE0079
    }
}