Jackett/src/Jackett/Indexers/IPTorrents.cs

using CsQuery;
using Jackett.Models;
using Jackett.Services;
using Jackett.Utils;
using Jackett.Utils.Clients;
using Newtonsoft.Json.Linq;
using NLog;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Web;

namespace Jackett.Indexers
{
    public class IPTorrents : BaseIndexer, IIndexer
    {
        private string SearchUrl { get { return SiteLink + "t?26=&55=&78=&23=&24=&25=&66=&82=&65=&83=&79=&22=&5=&4=&60=&q="; } }

        public IPTorrents(IIndexerManagerService i, IWebClient wc, Logger l)
            : base(name: "IPTorrents",
                description: "Always a step ahead.",
                link: "https://iptorrents.com/",
                caps: TorznabCapsUtil.CreateDefaultTorznabTVCaps(),
                manager: i,
                client: wc,
                logger: l)
        {
            TorznabCaps.Categories.Add(TorznabCatType.Anime);
        }

        public Task<ConfigurationData> GetConfigurationForSetup()
        {
            return Task.FromResult<ConfigurationData>(new ConfigurationDataBasicLogin());
        }

        public async Task ApplyConfiguration(JToken configJson)
        {
            var incomingConfig = new ConfigurationDataBasicLogin();
            incomingConfig.LoadValuesFromJson(configJson);
            var pairs = new Dictionary<string, string> {
                { "username", incomingConfig.Username.Value },
                { "password", incomingConfig.Password.Value }
            };
            var request = new Utils.Clients.WebRequest()
            {
                Url = SiteLink,
                Type = RequestType.POST,
                Referer = SiteLink,
                PostData = pairs
            };
            var response = await webclient.GetString(request);
            var firstCallCookies = response.Cookies;
            // Redirect to ? then to /t
            await FollowIfRedirect(response, request.Url, null, firstCallCookies);

            ConfigureIfOK(firstCallCookies, response.Content.Contains("/my.php"), () =>
            {
                CQ dom = response.Content;
                var messageEl = dom["body > div"].First();
                var errorMessage = messageEl.Text().Trim();
                throw new ExceptionWithConfigData(errorMessage, (ConfigurationData)incomingConfig);
            });
        }

        public async Task<IEnumerable<ReleaseInfo>> PerformQuery(TorznabQuery query)
        {
            var releases = new List<ReleaseInfo>();
            var searchString = query.SanitizedSearchTerm + " " + query.GetEpisodeSearchString();
            var episodeSearchUrl = SearchUrl + HttpUtility.UrlEncode(searchString);
            var response = await RequestStringWithCookiesAndRetry(episodeSearchUrl, null, SearchUrl);

            var results = response.Content;
            try
            {
                CQ dom = results;

                var rows = dom["table.torrents > tbody > tr"];
                foreach (var row in rows.Skip(1))
                {
                    var release = new ReleaseInfo();
                    var qRow = row.Cq();
                    var qTitleLink = qRow.Find("a.t_title").First();
                    release.Title = qTitleLink.Text().Trim();

                    // If we search an get no results, we still get a table just with no info.
                    if (string.IsNullOrWhiteSpace(release.Title))
                    {
                        break;
                    }

                    release.Description = release.Title;
                    release.Guid = new Uri(SiteLink + qTitleLink.Attr("href").Substring(1));
                    release.Comments = release.Guid;

                    var descString = qRow.Find(".t_ctime").Text();
                    var dateString = descString.Split('|').Last().Trim();
                    dateString = dateString.Split(new string[] { " by " }, StringSplitOptions.None)[0];
                    release.PublishDate = DateTimeUtil.FromTimeAgo(dateString);

                    var qLink = row.ChildElements.ElementAt(3).Cq().Children("a");
                    release.Link = new Uri(SiteLink + qLink.Attr("href"));

                    var sizeStr = row.ChildElements.ElementAt(5).Cq().Text();
                    release.Size = ReleaseInfo.GetBytes(sizeStr);

                    release.Seeders = ParseUtil.CoerceInt(qRow.Find(".t_seeders").Text().Trim());
                    release.Peers = ParseUtil.CoerceInt(qRow.Find(".t_leechers").Text().Trim()) + release.Seeders;

                    releases.Add(release);
                }
            }
            catch (Exception ex)
            {
                OnParseError(results, ex);
            }

            return releases;
        }
    }
}