mirror of https://github.com/Radarr/Radarr
238 lines
7.7 KiB
C#
238 lines
7.7 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Globalization;
|
|
using System.Linq;
|
|
using System.Xml.Linq;
|
|
using NzbDrone.Common.Extensions;
|
|
using NzbDrone.Core.Indexers.Exceptions;
|
|
using NzbDrone.Core.Languages;
|
|
using NzbDrone.Core.Parser;
|
|
using NzbDrone.Core.Parser.Model;
|
|
|
|
namespace NzbDrone.Core.Indexers.Newznab
|
|
{
|
|
public class NewznabRssParser : RssParser
|
|
{
|
|
public const string ns = "{http://www.newznab.com/DTD/2010/feeds/attributes/}";
|
|
|
|
private readonly NewznabSettings _settings;
|
|
|
|
public NewznabRssParser(NewznabSettings settings)
|
|
{
|
|
PreferredEnclosureMimeTypes = UsenetEnclosureMimeTypes;
|
|
UseEnclosureUrl = true;
|
|
_settings = settings;
|
|
}
|
|
|
|
public static void CheckError(XDocument xdoc, IndexerResponse indexerResponse)
|
|
{
|
|
var error = xdoc.Descendants("error").FirstOrDefault();
|
|
|
|
if (error == null)
|
|
{
|
|
return;
|
|
}
|
|
|
|
var code = Convert.ToInt32(error.Attribute("code").Value);
|
|
var errorMessage = error.Attribute("description").Value;
|
|
|
|
if (code >= 100 && code <= 199)
|
|
{
|
|
throw new ApiKeyException(errorMessage);
|
|
}
|
|
|
|
if (!indexerResponse.Request.Url.FullUri.Contains("apikey=") && (errorMessage == "Missing parameter" || errorMessage.Contains("apikey")))
|
|
{
|
|
throw new ApiKeyException("Indexer requires an API key");
|
|
}
|
|
|
|
if (errorMessage == "Request limit reached")
|
|
{
|
|
throw new RequestLimitReachedException("API limit reached");
|
|
}
|
|
|
|
throw new NewznabException(indexerResponse, errorMessage);
|
|
}
|
|
|
|
protected override bool PreProcess(IndexerResponse indexerResponse)
|
|
{
|
|
if (indexerResponse.HttpResponse.HasHttpError &&
|
|
(indexerResponse.HttpResponse.Headers.ContentType == null || !indexerResponse.HttpResponse.Headers.ContentType.Contains("xml")))
|
|
{
|
|
base.PreProcess(indexerResponse);
|
|
}
|
|
|
|
var xdoc = LoadXmlDocument(indexerResponse);
|
|
|
|
CheckError(xdoc, indexerResponse);
|
|
|
|
return true;
|
|
}
|
|
|
|
protected override bool PostProcess(IndexerResponse indexerResponse, List<XElement> items, List<ReleaseInfo> releases)
|
|
{
|
|
var enclosureTypes = items.SelectMany(GetEnclosures).Select(v => v.Type).Distinct().ToArray();
|
|
if (enclosureTypes.Any() && enclosureTypes.Intersect(PreferredEnclosureMimeTypes).Empty())
|
|
{
|
|
if (enclosureTypes.Intersect(TorrentEnclosureMimeTypes).Any())
|
|
{
|
|
_logger.Warn("{0} does not contain {1}, found {2}, did you intend to add a Torznab indexer?", indexerResponse.Request.Url, NzbEnclosureMimeType, enclosureTypes[0]);
|
|
}
|
|
else
|
|
{
|
|
_logger.Warn("{1} does not contain {1}, found {2}.", indexerResponse.Request.Url, NzbEnclosureMimeType, enclosureTypes[0]);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
protected override ReleaseInfo ProcessItem(XElement item, ReleaseInfo releaseInfo)
|
|
{
|
|
releaseInfo = base.ProcessItem(item, releaseInfo);
|
|
releaseInfo.ImdbId = GetImdbId(item);
|
|
|
|
return releaseInfo;
|
|
}
|
|
|
|
protected override string GetInfoUrl(XElement item)
|
|
{
|
|
return ParseUrl(item.TryGetValue("comments").TrimEnd("#comments"));
|
|
}
|
|
|
|
protected override string GetCommentUrl(XElement item)
|
|
{
|
|
return ParseUrl(item.TryGetValue("comments"));
|
|
}
|
|
|
|
protected override List<Language> GetLanguages(XElement item)
|
|
{
|
|
var languages = TryGetMultipleNewznabAttributes(item, "language");
|
|
var results = new List<Language>();
|
|
|
|
// Try to find <language> elements for some indexers that suck at following the rules.
|
|
if (languages.Count == 0)
|
|
{
|
|
languages = item.Elements("language").Select(e => e.Value).ToList();
|
|
}
|
|
|
|
foreach (var language in languages)
|
|
{
|
|
var mappedLanguage = IsoLanguages.FindByName(language)?.Language ?? null;
|
|
|
|
if (mappedLanguage != null)
|
|
{
|
|
results.Add(mappedLanguage);
|
|
}
|
|
}
|
|
|
|
return results;
|
|
}
|
|
|
|
protected override long GetSize(XElement item)
|
|
{
|
|
var sizeString = TryGetNewznabAttribute(item, "size");
|
|
if (!sizeString.IsNullOrWhiteSpace() && long.TryParse(sizeString, out var size))
|
|
{
|
|
return size;
|
|
}
|
|
|
|
size = GetEnclosureLength(item);
|
|
|
|
return size;
|
|
}
|
|
|
|
protected override DateTime GetPublishDate(XElement item)
|
|
{
|
|
var dateString = TryGetNewznabAttribute(item, "usenetdate");
|
|
if (!dateString.IsNullOrWhiteSpace())
|
|
{
|
|
return XElementExtensions.ParseDate(dateString);
|
|
}
|
|
|
|
return base.GetPublishDate(item);
|
|
}
|
|
|
|
protected override string GetDownloadUrl(XElement item)
|
|
{
|
|
var url = base.GetDownloadUrl(item);
|
|
|
|
if (!Uri.IsWellFormedUriString(url, UriKind.Absolute))
|
|
{
|
|
url = ParseUrl((string)item.Element("enclosure").Attribute("url"));
|
|
}
|
|
|
|
return url;
|
|
}
|
|
|
|
protected virtual int GetImdbId(XElement item)
|
|
{
|
|
var imdbIdString = TryGetNewznabAttribute(item, "imdb");
|
|
|
|
if (!imdbIdString.IsNullOrWhiteSpace() && int.TryParse(imdbIdString, out var imdbId))
|
|
{
|
|
return imdbId;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
protected virtual string GetImdbTitle(XElement item)
|
|
{
|
|
var imdbTitle = TryGetNewznabAttribute(item, "imdbtitle");
|
|
if (!imdbTitle.IsNullOrWhiteSpace())
|
|
{
|
|
return CultureInfo.CurrentCulture.TextInfo.ToTitleCase(
|
|
Parser.Parser.ReplaceGermanUmlauts(
|
|
Parser.Parser.NormalizeTitle(imdbTitle).Replace(" ", ".")));
|
|
}
|
|
|
|
return string.Empty;
|
|
}
|
|
|
|
protected virtual int GetImdbYear(XElement item)
|
|
{
|
|
var imdbYearString = TryGetNewznabAttribute(item, "imdbyear");
|
|
|
|
if (!imdbYearString.IsNullOrWhiteSpace() && int.TryParse(imdbYearString, out var imdbYear))
|
|
{
|
|
return imdbYear;
|
|
}
|
|
|
|
return 1900;
|
|
}
|
|
|
|
protected string TryGetNewznabAttribute(XElement item, string key, string defaultValue = "")
|
|
{
|
|
var attrElement = item.Elements(ns + "attr").FirstOrDefault(e => e.Attribute("name").Value.Equals(key, StringComparison.OrdinalIgnoreCase));
|
|
if (attrElement != null)
|
|
{
|
|
var attrValue = attrElement.Attribute("value");
|
|
if (attrValue != null)
|
|
{
|
|
return attrValue.Value;
|
|
}
|
|
}
|
|
|
|
return defaultValue;
|
|
}
|
|
|
|
protected List<string> TryGetMultipleNewznabAttributes(XElement item, string key)
|
|
{
|
|
var attrElements = item.Elements(ns + "attr").Where(e => e.Attribute("name").Value.Equals(key, StringComparison.OrdinalIgnoreCase));
|
|
var results = new List<string>();
|
|
|
|
foreach (var element in attrElements)
|
|
{
|
|
var attrValue = element.Attribute("value");
|
|
if (attrValue != null)
|
|
{
|
|
results.Add(attrValue.Value);
|
|
}
|
|
}
|
|
|
|
return results;
|
|
}
|
|
}
|
|
}
|