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using System;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Threading.Tasks;
using Pathoschild.Http.Client;
namespace StardewModdingAPI.Web.Framework.Clients.Pastebin
{
/// <summary>An API client for Pastebin.</summary>
internal class PastebinClient : IPastebinClient
{
/*********
** Fields
*********/
/// <summary>The underlying HTTP client.</summary>
private readonly IClient Client;
/// <summary>The user key used to authenticate with the Pastebin API.</summary>
private readonly string UserKey;
/// <summary>The developer key used to authenticate with the Pastebin API.</summary>
private readonly string DevKey;
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="baseUrl">The base URL for the Pastebin API.</param>
/// <param name="userAgent">The user agent for the API client.</param>
/// <param name="userKey">The user key used to authenticate with the Pastebin API.</param>
/// <param name="devKey">The developer key used to authenticate with the Pastebin API.</param>
public PastebinClient(string baseUrl, string userAgent, string userKey, string devKey)
{
this.Client = new FluentClient(baseUrl).SetUserAgent(userAgent);
this.UserKey = userKey;
this.DevKey = devKey;
}
/// <summary>Fetch a saved paste.</summary>
/// <param name="id">The paste ID.</param>
public async Task<PasteInfo> GetAsync(string id)
{
try
{
// get from API
string content = await this.Client
.GetAsync($"raw/{id}")
.AsString();
// handle Pastebin errors
if (string.IsNullOrWhiteSpace(content))
return new PasteInfo { Error = "Received an empty response from Pastebin." };
if (content.StartsWith("<!DOCTYPE"))
return new PasteInfo { Error = $"Received a captcha challenge from Pastebin. Please visit https://pastebin.com/{id} in a new window to solve it." };
return new PasteInfo { Success = true, Content = content };
}
catch (ApiException ex) when (ex.Status == HttpStatusCode.NotFound)
{
return new PasteInfo { Error = "There's no log with that ID." };
}
catch (Exception ex)
{
return new PasteInfo { Error = ex.ToString() };
}
}
/// <summary>Save a paste to Pastebin.</summary>
/// <param name="content">The paste content.</param>
public async Task<SavePasteResult> PostAsync(string content)
{
try
{
// validate
if (string.IsNullOrWhiteSpace(content))
return new SavePasteResult { Error = "The log content can't be empty." };
// post to API
string response = await this.Client
.PostAsync("api/api_post.php")
.WithBody(p => p.FormUrlEncoded(new
{
api_option = "paste",
api_user_key = this.UserKey,
api_dev_key = this.DevKey,
api_paste_private = 1, // unlisted
api_paste_name = $"SMAPI log {DateTime.UtcNow:s}",
api_paste_expire_date = "N", // never expire
api_paste_code = content
}))
.AsString();
// handle Pastebin errors
if (string.IsNullOrWhiteSpace(response))
return new SavePasteResult { Error = "Received an empty response from Pastebin." };
if (response.StartsWith("Bad API request"))
return new SavePasteResult { Error = response };
if (!response.Contains("/"))
return new SavePasteResult { Error = $"Received an unknown response: {response}" };
// return paste ID
string pastebinID = response.Split("/").Last();
return new SavePasteResult { Success = true, ID = pastebinID };
}
catch (Exception ex)
{
return new SavePasteResult { Success = false, Error = ex.ToString() };
}
}
/// <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
public void Dispose()
{
this.Client.Dispose();
}
}
}
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