Fixed: (Indexer) Update RARBG API query options

* Added app_id to captcha check to avoid 403 forbidden error
* Migrated app_id from hard coded to BuildInfo.AppName

src/NzbDrone.Core.Test/IndexerTests/RarbgTests/RarbgFixture.cs

@@ -5,6 +5,7 @@ using System.Threading.Tasks;
 using FluentAssertions;
 using Moq;
 using NUnit.Framework;
+using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Indexers;
 using NzbDrone.Core.Indexers.Rarbg;
@@ -51,7 +52,7 @@ namespace NzbDrone.Core.Test.IndexerTests.RarbgTests
             torrentInfo.Title.Should().Be("Sense8.S01E01.WEBRip.x264-FGT");
             torrentInfo.DownloadProtocol.Should().Be(DownloadProtocol.Torrent);
             torrentInfo.DownloadUrl.Should().Be("magnet:?xt=urn:btih:d8bde635f573acb390c7d7e7efc1556965fdc802&dn=Sense8.S01E01.WEBRip.x264-FGT&tr=http%3A%2F%2Ftracker.trackerfix.com%3A80%2Fannounce&tr=udp%3A%2F%2F9.rarbg.me%3A2710&tr=udp%3A%2F%2F9.rarbg.to%3A2710&tr=udp%3A%2F%2Fopen.demonii.com%3A1337%2Fannounce");
-            torrentInfo.InfoUrl.Should().Be("https://torrentapi.org/redirect_to_info.php?token=i5cx7b9agd&p=8_6_4_4_5_6__d8bde635f5&app_id=Prowlarr");
+            torrentInfo.InfoUrl.Should().Be($"https://torrentapi.org/redirect_to_info.php?token=i5cx7b9agd&p=8_6_4_4_5_6__d8bde635f5&app_id={BuildInfo.AppName}");
             torrentInfo.Indexer.Should().Be(Subject.Definition.Name);
             torrentInfo.PublishDate.Should().Be(DateTime.Parse("2015-06-05 16:58:11 +0000").ToUniversalTime());
             torrentInfo.Size.Should().Be(564198371);

src/NzbDrone.Core/Indexers/Definitions/Rarbg/Rarbg.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using NLog;
+using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Configuration;
@@ -103,7 +104,7 @@ namespace NzbDrone.Core.Indexers.Rarbg
                 try
                 {
                     var request = new HttpRequestBuilder(Settings.BaseUrl.Trim('/'))
-                           .Resource("/pubapi_v2.php?get_token=get_token")
+                           .Resource($"/pubapi_v2.php?get_token=get_token&app_id={BuildInfo.AppName}")
                            .Accept(HttpAccept.Json)
                            .Build();
 

src/NzbDrone.Core/Indexers/Definitions/Rarbg/RarbgParser.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Net;
 using System.Text.RegularExpressions;
+using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Http;
 using NzbDrone.Core.Indexers.Exceptions;
 using NzbDrone.Core.Parser.Model;
@@ -62,7 +63,7 @@ namespace NzbDrone.Core.Indexers.Rarbg
                 torrentInfo.Title = torrent.title;
                 torrentInfo.Size = torrent.size;
                 torrentInfo.DownloadUrl = torrent.download;
-                torrentInfo.InfoUrl = torrent.info_page + "&app_id=Prowlarr";
+                torrentInfo.InfoUrl = $"{torrent.info_page}&app_id={BuildInfo.AppName}";
                 torrentInfo.PublishDate = torrent.pubdate.ToUniversalTime();
                 torrentInfo.Seeders = torrent.seeders;
                 torrentInfo.Peers = torrent.leechers + torrent.seeders;

src/NzbDrone.Core/Indexers/Definitions/Rarbg/RarbgTokenProvider.cs

@@ -2,6 +2,7 @@ using System;
 using Newtonsoft.Json.Linq;
 using NLog;
 using NzbDrone.Common.Cache;
+using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
 
@@ -32,7 +33,7 @@ namespace NzbDrone.Core.Indexers.Rarbg
                 {
                     var requestBuilder = new HttpRequestBuilder(baseUrl.Trim('/'))
                         .WithRateLimit(3.0)
-                        .Resource("/pubapi_v2.php?get_token=get_token&app_id=Prowlarr")
+                        .Resource($"/pubapi_v2.php?get_token=get_token&app_id={BuildInfo.AppName}")
                         .Accept(HttpAccept.Json);
 
                     if (settings.CaptchaToken.IsNotNullOrWhiteSpace())