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using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Threading.Tasks;
using Newtonsoft.Json;
using StardewModdingAPI.Models;
namespace StardewModdingAPI.Framework
{
/// <summary>Provides methods for interacting with the SMAPI web API.</summary>
internal class WebApiClient
{
/*********
** Properties
*********/
/// <summary>The base URL for the web API.</summary>
private readonly Uri BaseUrl;
/// <summary>The API version number.</summary>
private readonly ISemanticVersion Version;
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="baseUrl">The base URL for the web API.</param>
/// <param name="version">The web API version.</param>
public WebApiClient(string baseUrl, ISemanticVersion version)
{
#if !SMAPI_FOR_WINDOWS
baseUrl = baseUrl.Replace("https://", "http://"); // workaround for OpenSSL issues with the game's bundled Mono on Linux/Mac
#endif
this.BaseUrl = new Uri(baseUrl);
this.Version = version;
}
/// <summary>Get the latest SMAPI version.</summary>
/// <param name="modKeys">The mod keys for which to fetch the latest version.</param>
public async Task<IDictionary<string, ModInfoModel>> GetModInfoAsync(params string[] modKeys)
{
string url = $"v{this.Version}/mods?modKeys={Uri.EscapeDataString(string.Join(",", modKeys))}";
return await this.GetAsync<Dictionary<string, ModInfoModel>>(url);
}
/*********
** Private methods
*********/
/// <summary>Fetch the response from the backend API.</summary>
/// <typeparam name="T">The expected response type.</typeparam>
/// <param name="url">The request URL, optionally excluding the base URL.</param>
private async Task<T> GetAsync<T>(string url)
{
// build request (avoid HttpClient for Mac compatibility)
HttpWebRequest request = WebRequest.CreateHttp(new Uri(this.BaseUrl, url).ToString());
request.UserAgent = $"SMAPI/{this.Version}";
// fetch data
using (WebResponse response = await request.GetResponseAsync())
using (Stream responseStream = response.GetResponseStream())
using (StreamReader reader = new StreamReader(responseStream))
{
string responseText = reader.ReadToEnd();
return JsonConvert.DeserializeObject<T>(responseText);
}
}
}
}
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