Update rudub

* core: refactor obsolete hashing calls

* core: delete cert callback validation removal in update service

* core: remove deprecated ServicePointManager calls

- Avoid harcoding SSL protocols.
- Lowering DefaultConnectionLimit 1000 to MaxConnectionsPerServer 20

* core: avoid is only supported on windows warnings

README.md

@@ -831,7 +831,7 @@ Detailed instructions are available at [Jackett's Wiki](https://github.com/Jacke
 
 
 ## Running Jackett behind a reverse proxy
-When running jackett behind a reverse proxy make sure that the original hostname of the request is passed to Jackett. If HTTPS is used also set the X-Forwarded-Proto header to "https". Don't forget to adjust the "Base path override" Jackett option accordingly.
+When running Jackett behind a reverse proxy make sure that the original hostname of the request is passed to Jackett. If HTTPS is used also set the X-Forwarded-Proto header to "https". Don't forget to adjust the "Base path override" Jackett option accordingly.
 
 Example config for apache:
 ```

src/DateTimeRoutines/DateTimeRoutines.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net9.0</TargetFrameworks>
     <LangVersion>9</LangVersion>
     <NoWarn />
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>

src/Jackett.Common/Definitions/amigosshare.yml

@@ -152,7 +152,7 @@ search:
   keywordsfilters:
     # drop the year from searches since site titles do not include year
     - name: re_replace
-      args: ["(\\b((19|20)\\d{2})\\b)", ""]
+      args: ["(\\s*\\b((19|20)\\d{2})\\b)", ""]
 
   rows:
     selector: "div#fancy-list-group ul.list-group li.list-group-item{{ if .Config.freeleech }}:has(span.badge-success:contains(\"FREE\")){{ else }}{{ end }}"

src/Jackett.Common/Definitions/clearjav-api.yml

@@ -94,8 +94,6 @@ search:
       selector: details_link
     download:
       selector: download_link
-    infohash:
-      selector: info_hash
     files:
       selector: num_file
     seeders:
@@ -145,4 +143,4 @@ search:
     minimumseedtime:
       # 7 days (as seconds = 7 x 24 x 60 x 60)
       text: 604800
-# json UNIT3D 9.1.5 (custom)
+# json UNIT3D 9.1.7 (custom)

src/Jackett.Common/Definitions/hdgalaktik.yml

@@ -5,8 +5,6 @@ description: "HDGalaKtik is a RUSSIAN Semi-Private tracker for MOVIES / TV / GEN
 language: ru-RU
 type: semi-private
 encoding: UTF-8
-certificates:
-  - 89cb539248b0d0cb0e92aa3f286ddfdd8347c3be # CN=mail.trackerpmr.com
 links:
   - https://www.trackerpmr.com/
   - https://freetmd.com/
@@ -16,20 +14,20 @@ legacylinks:
 
 caps:
   categorymappings:
-    - {id: 13, cat: Movies, desc: "Фильмы (Movies)"}
-    - {id: 6, cat: TV, desc: "Мультфильмы (Cartoons)"}
-    - {id: 10, cat: Audio, desc: "Музыка (Music)"}
-    - {id: 26, cat: PC, desc: "Программы (Programs)"}
-    - {id: 5, cat: Console, desc: "Игры (Games)"}
-    - {id: 25, cat: Other, desc: "Картинки (Pictures)"}
-    - {id: 11, cat: TV, desc: "Сериалы (TV Series)"}
-    - {id: 12, cat: TV/Anime, desc: "Аниме (Anime)"}
-    - {id: 16, cat: Books, desc: "Книги (Books)"}
-    - {id: 18, cat: Audio/Video, desc: "Клипы / Ролики (Clips / Trailers)"}
-    - {id: 22, cat: TV, desc: "ТВ / Передачи (TV)"}
-    - {id: 27, cat: PC/Mobile-Other, desc: "Игры - Мобила / КПК (Mobile)"}
-    - {id: 1, cat: PC/ISO, desc: "Образы (ISO)"}
-    - {id: 4, cat: Other, desc: "Другое (Other)"}
+    - {id: 13, cat: Movies, desc: "Фильмы"}
+    - {id: 11, cat: TV, desc: "Сериалы"}
+    - {id: 6, cat: TV, desc: "Мультфильмы"}
+    - {id: 10, cat: Audio, desc: "Музыка"}
+    - {id: 26, cat: PC, desc: "Программы"}
+    - {id: 5, cat: Console, desc: "Игры"}
+    - {id: 25, cat: Other, desc: "Картинки"}
+    - {id: 12, cat: TV/Anime, desc: "Аниме"}
+    - {id: 16, cat: Books, desc: "Книги"}
+    - {id: 18, cat: Audio/Video, desc: "Клипы / Ролики"}
+    - {id: 22, cat: TV, desc: "ТВ / Передачи"}
+    - {id: 27, cat: PC/Mobile-Other, desc: "Игры - Мобила / КПК"}
+    - {id: 1, cat: PC/ISO, desc: "Образы"}
+    - {id: 4, cat: Other, desc: "Другое"}
 
   modes:
     search: [q]
@@ -117,24 +115,20 @@ search:
       args: ["[^a-zA-Z0-9]+", "%"]
 
   rows:
-    selector: table.table > tbody > tr.torcontduo
+    selector: div.torrent-card
 
   fields:
-    category:
-      selector: a[href^="browse.php?cat="]
-      attribute: href
+    categorydesc:
+      selector: div.category-badge
       optional: true
-      default: 4
+      default: Другое
       filters:
-        - name: querystring
-          args: cat
+        - name: replace
+          args: ["---", "Другое"]
     title:
-      selector: a[href^="details.php?id="]
+      selector: a.torrent-title-link
       attribute: title
       filters:
-        - name: regexp
-          args: \'>(.+?)</div
-        - name: htmldecode
         # normalize to SXXEYY format
         - name: re_replace
           args: ["(?i)[CС]езоны?[\\s:]*(\\d+(?:-\\d+)?).+?(?:\\s*(?:[CС]ери[ияй]|Эпизод|Выпуски?))[\\s:]*(\\d+(?:-\\d+)?)\\s*из\\s*(\\w?)", "S$1E$2 of $3"]
@@ -193,16 +187,19 @@ search:
         - name: append
           args: "{{ if .Config.addrussiantotitle }} RUS{{ else }}{{ end }}"
     details:
-      selector: a[href^="details.php?id="]
+      selector: a.torrent-title-link
       attribute: href
+    # there is either a magnet or a download link
+    magnet:
+      selector: a[href^="magnet:?xt="]
+      attribute: href
+      optional: true
     download:
-      selector: a[href^="details.php?id="]
+      selector: a[href^="download.php?id="]
       attribute: href
-      filters:
-        - name: replace
-          args: ["details", "download"]
+      optional: true
     poster:
-      selector: img.s
+      selector: img.torrent-poster
       attribute: src
     imdbid:
       selector: a[href^="browse.php?imdb="]
@@ -211,46 +208,26 @@ search:
         - name: querystring
           args: imdb
     size:
-      selector: td:nth-child(4)
+      selector: div.size-section
     seeders:
-      selector: span[title="Раздают"]
+      selector: span.peers-seeders
     leechers:
-      selector: span[title="Качают"]
-    date_day:
-      # Сегодня в 18:22
-      # Вчера в 20:52
-      selector: a[href^="browse.php?date="]:contains("Сегодня"), a[href^="browse.php?date="]:contains("Вчера")
-      optional: true
-      filters:
-        - name: regexp
-          args: "((Вчера в|Сегодня в)( \\d{2}:\\d{2}))"
-        - name: replace
-          args: ["Сегодня в", "Today"]
-        - name: replace
-          args: ["Вчера в", "Yesterday"]
-        - name: fuzzytime
-    date_year:
-      # 23:48 24/07
-      selector: a[href^="browse.php?date="]:contains("/")
-      optional: true
-      filters:
-        - name: regexp
-          args: "(\\d{2}:\\d{2} \\d{2}/\\d{2})"
-        - name: append
-          args: " +03:00" # MSK
-        - name: dateparse
-          args: "HH:mm dd/MM zzz"
+      selector: span.peers-leechers
+    grabs:
+      selector: span:has(i.fa-download)
     date:
-      text: "{{ if or .Result.date_year .Result.date_day }}{{ or .Result.date_year .Result.date_day }}{{ else }}now{{ end }}"
+      selector: div.added-date
+      filters:
+        - name: timeago
     downloadvolumefactor:
       case:
-        img[src="/pic/freedownload.gif"]: 0
+        span.bg-success: 0
         "*": 1
     uploadvolumefactor:
       text: 1
     minimumratio:
       text: 1.0
     description:
-      selector: a[href*="?tag="]
+      selector: a.tag
       attribute: title
 # engine n/a

src/Jackett.Common/Definitions/kickasstorrents-to.yml

@@ -39,6 +39,7 @@ caps:
     - {id: "AnimeLiveAction[English-translated]", cat: TV/Anime, desc: "Anime Live Action English-translated"}
     - {id: "AnimeLiveAction[Non-English]", cat: TV/Anime, desc: "Anime Live Action Non-English"}
     - {id: "AnimeLiveAction[Raw]", cat: TV/Anime, desc: "Anime Live Action Raw"}
+    - {id: AnimePictures, cat: Other, desc: Anime Pictures}
     - {id: AnimeRaw, cat: TV/Anime, desc: Anime Raw}
     - {id: AnimeSubs, cat: TV/Anime, desc: Anime Subs}
     - {id: Apps, cat: PC, desc: Apps}

src/Jackett.Common/Definitions/linuxtracker.yml

@@ -281,6 +281,7 @@ caps:
     - {id: 2281, cat: PC/ISO, desc: "Web Security Dojo"}
     - {id: 2246, cat: PC/ISO, desc: "Whonix"}
     - {id: 2155, cat: PC/ISO, desc: "Wifislax"}
+    - {id: 2229, cat: PC/ISO, desc: "XiVa Studio"}
     - {id: 2251, cat: PC/ISO, desc: "XigmaNAS"}
     - {id: 607, cat: PC/ISO, desc: "Xubuntu"}
     - {id: 612, cat: PC/ISO, desc: "Zen"}

src/Jackett.Common/Definitions/magnetcat.yml

@@ -9,15 +9,12 @@ encoding: UTF-8
 links:
   - https://magnetcatcat.com/
   - https://clmclm.com/
-  - https://www.8800517.xyz/
-  - https://www.8800518.xyz/
   - https://www.8800519.xyz/
-  - https://www.8800520.xyz/
+  - https://www.8800521.xyz/
+  - https://www.8800522.xyz/
+  - https://www.8800523.xyz/
 legacylinks:
   - https://www.clm472.sbs/
-  - https://www.8800498.xyz/
-  - https://www.8800497.xyz/
-  - https://www.8800499.xyz/
   - https://www.8800500.xyz/
   - https://www.8800503.xyz/
   - https://www.8800504.xyz/
@@ -31,6 +28,9 @@ legacylinks:
   - https://www.8800514.xyz/
   - https://www.8800515.xyz/
   - https://www.8800516.xyz/
+  - https://www.8800517.xyz/
+  - https://www.8800518.xyz/
+  - https://www.8800520.xyz/
 
 caps:
   categorymappings:

src/Jackett.Common/Definitions/magnetz.yml

@@ -32,7 +32,7 @@ search:
   paths:
     - path: search
   inputs:
-    q: "{{ if .Keywords }}{{ .Keywords }}{{ else }}*{{ end }}"
+    query: "{{ if .Keywords }}{{ .Keywords }}{{ else }}*{{ end }}"
 
   rows:
     selector: a.list-group-item

src/Jackett.Common/Definitions/mvgroupforum.yml

@@ -26,6 +26,8 @@ settings:
   - name: password
     type: password
     label: Password
+  - name: info_flaresolverr
+    type: info_flaresolverr
   - name: info_category_8000
     type: info_category_8000
   - name: hidef

src/Jackett.Common/Definitions/mvgroupmain.yml

@@ -26,6 +26,8 @@ settings:
   - name: password
     type: password
     label: Password
+  - name: info_flaresolverr
+    type: info_flaresolverr
   - name: info_category_8000
     type: info_category_8000
   - name: hidef

src/Jackett.Common/Definitions/rudub.yml

@@ -9,22 +9,8 @@ type: semi-private
 encoding: windows-1251
 followredirect: true
 links:
-  - https://nov12.rudub.pics/
+  - https://nov19.rudub.pics/
 legacylinks:
-  - https://oct28.rudub.homes/
-  - http://oct29.rudub.homes/
-  - https://oct29.rudub.homes/
-  - http://oct30.rudub.homes/
-  - https://oct30.rudub.homes/
-  - http://oct31.rudub.homes/
-  - https://oct31.rudub.homes/
-  - http://nov01.rudub.homes/
-  - https://nov01.rudub.homes/
-  - http://nov02.rudub.homes/
-  - https://nov02.rudub.homes/
-  - http://nov03.rudub.homes/
-  - https://nov03.rudub.homes/
-  - http://nov04.rudub.homes/
   - https://nov04.rudub.homes/
   - http://nov05.rudub.homes/
   - https://nov05.rudub.homes/
@@ -41,6 +27,20 @@ legacylinks:
   - http://nov11.rudub.pics/
   - https://nov11.rudub.pics/
   - http://nov12.rudub.pics/
+  - https://nov12.rudub.pics/
+  - http://nov13.rudub.pics/
+  - https://nov13.rudub.pics/
+  - http://nov14.rudub.pics/
+  - https://nov14.rudub.pics/
+  - http://nov15.rudub.pics/
+  - https://nov15.rudub.pics/
+  - http://nov16.rudub.pics/
+  - https://nov16.rudub.pics/
+  - http://nov17.rudub.pics/
+  - https://nov17.rudub.pics/
+  - http://nov18.rudub.pics/
+  - https://nov18.rudub.pics/
+  - http://nov19.rudub.pics/
 caps:
   categorymappings:
     - {id: 1, cat: TV, desc: "TV"}

src/Jackett.Common/Definitions/sextorrent-api.yml

@@ -51,8 +51,10 @@ caps:
     - {id: 41, cat: XXX, desc: "Homemade"}
     - {id: 42, cat: XXX, desc: "Pregnant"}
     - {id: 43, cat: XXX, desc: "Gay"}
-    - {id: 1, cat: Movies, desc: "Movie"}
-    - {id: 2, cat: TV, desc: "TV Show"}
+    - {id: 45, cat: XXX, desc: "Classic"}
+    - {id: 44, cat: XXX, desc: "SiteFan"}
+    - {id: 1, cat: Movies, desc: "Movies"}
+    - {id: 2, cat: TV, desc: "TV"}
 
   modes:
     search: [q]

src/Jackett.Common/Definitions/torrentqq.yml

@@ -7,11 +7,10 @@ type: public
 encoding: UTF-8
 followredirect: true
 links:
-  - https://torrentqq393.com/
+  - https://torrentqq394.com/
   - https://torrentegg83.com/
 legacylinks:
   - https://torrentegg68.com/
-  - https://torrentqq378.com/
   - https://torrentegg69.com/
   - https://torrentqq379.com/
   - https://torrentegg70.com/
@@ -40,6 +39,7 @@ legacylinks:
   - https://torrentegg81.com/
   - https://torrentqq392.com/
   - https://torrentegg82.com/
+  - https://torrentqq393.com/
 
 caps:
   categorymappings:

src/Jackett.Common/Definitions/uztracker.yml

@@ -31,10 +31,8 @@ caps:
     - {id: 190, cat: Movies, desc: " |- Фильмы в 4K и 3D"}
     - {id: 34, cat: Movies, desc: " |- Перевод на узбекский"}
     - {id: 25, cat: Movies, desc: "Узбекские кинофильмы"}
-    - {id: 32, cat: Movies, desc: " |- Новинки"}
-    - {id: 30, cat: Movies, desc: " |- Фильмы 2011-2024 годов"}
-    - {id: 29, cat: Movies, desc: " |- Фильмы 2000-2010 годов"}
-    - {id: 26, cat: Movies, desc: " |- Фильмы до 2000 года"}
+    - {id: 32, cat: Movies, desc: " |- Пр-во Узбекфильм (на русском)"}
+    - {id: 30, cat: Movies, desc: " |- Пр-во Узбекфильм (на узбекском языке)"}
     # Сериалы, Видео и ТВ # Series, Videos and TV
     - {id: 97, cat: TV, desc: "Сериалы"}
     - {id: 333, cat: TV, desc: " |- Игра престолов / Game of Thrones"}
@@ -85,6 +83,7 @@ caps:
     - {id: 132, cat: Audio, desc: " |- Классическая музыа"}
     - {id: 125, cat: Audio, desc: " |- New Age, Relax, Meditative & Flamenco"}
     - {id: 124, cat: Audio, desc: " |- Фольклор, Народная и Этническая музыка"}
+    - {id: 338, cat: Audio, desc: " |- Country"}
     - {id: 231, cat: Audio, desc: " |- Сборники и альбомы выходившие неофициальными изданиями."}
     - {id: 144, cat: Audio, desc: "♫ ROCK & METAL ♫"}
     - {id: 201, cat: Audio, desc: " |- Русский Rock, Metal (mp3)"}
@@ -170,6 +169,7 @@ caps:
     - {id: 289, cat: PC/Games, desc: " |- Horror"}
     - {id: 307, cat: PC/Games, desc: " |- Logic"}
     - {id: 304, cat: PC/Games, desc: " |- Lifestyle"}
+    - {id: 336, cat: PC/Games, desc: " |- Sports"}
     - {id: 306, cat: PC/Games, desc: " |- Exploration"}
     - {id: 305, cat: PC/Games, desc: " |- Management"}
     - {id: 115, cat: PC/Games, desc: " |- Аркады"}

src/Jackett.Common/Extensions/HashingExtensions.cs

@@ -0,0 +1,34 @@
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Jackett.Common.Extensions
+{
+    public static class HashingExtensions
+    {
+        public static string SHA1Hash(this string input)
+        {
+            using var hash = SHA1.Create();
+
+            return GetHash(hash.ComputeHash(Encoding.UTF8.GetBytes(input)));
+        }
+
+        public static string SHA256Hash(this string input)
+        {
+            using var hash = SHA256.Create();
+
+            return GetHash(hash.ComputeHash(Encoding.UTF8.GetBytes(input)));
+        }
+
+        private static string GetHash(byte[] bytes)
+        {
+            var stringBuilder = new StringBuilder();
+
+            foreach (var b in bytes)
+            {
+                stringBuilder.Append(b.ToString("x2"));
+            }
+
+            return stringBuilder.ToString();
+        }
+    }
+}

src/Jackett.Common/Indexers/Definitions/EpubLibre.cs

@@ -104,7 +104,7 @@ namespace Jackett.Common.Indexers.Definitions
             var maxPages = 2; // we scrape only 2 pages for recent torrents
             if (!string.IsNullOrWhiteSpace(query.GetQueryString()))
             {
-                searchString = Uri.EscapeUriString(query.GetQueryString());
+                searchString = Uri.EscapeDataString(query.GetQueryString());
                 maxPages = MaxSearchPageLimit;
             }
 

src/Jackett.Common/Indexers/Definitions/ZonaQ.cs

@@ -4,12 +4,11 @@ using System.Collections.Specialized;
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Linq;
-using System.Security.Cryptography;
-using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using AngleSharp.Html.Parser;
+using Jackett.Common.Extensions;
 using Jackett.Common.Models;
 using Jackett.Common.Models.IndexerConfig;
 using Jackett.Common.Services.Interfaces;
@@ -253,11 +252,13 @@ namespace Jackett.Common.Indexers.Definitions
             if (string.IsNullOrWhiteSpace(sessionId))
                 throw new ExceptionWithConfigData("Error getting the Session ID", configData);
 
+            await Task.Delay(3000);
+
             // The second page send the login with the hash
             // The hash is reverse engineering from https://www.zonaq.pw/retorno/2/smf/Themes/smf_ZQ/scripts/script.js
             // doForm.hash_passwrd.value = hex_sha1(hex_sha1(doForm.user.value.php_to8bit().php_strtolower() + doForm.passwrd.value.php_to8bit()) + cur_session_id);
-            Thread.Sleep(3000);
-            var hashPassword = Sha1Hash(Sha1Hash(configData.Username.Value.ToLower() + configData.Password.Value) + sessionId);
+            var hashPassword = $"{(configData.Username.Value.ToLowerInvariant() + configData.Password.Value).SHA1Hash()}{sessionId}".SHA1Hash();
+
             var pairs = new Dictionary<string, string> {
                 { "user", configData.Username.Value },
                 { "passwrd", configData.Password.Value },
@@ -288,11 +289,5 @@ namespace Jackett.Common.Indexers.Definitions
             Thread.Sleep(3000);
             await RequestWithCookiesAsync(Login4Url);
         }
-
-        private static string Sha1Hash(string input)
-        {
-            var hash = new SHA1Managed().ComputeHash(Encoding.UTF8.GetBytes(input));
-            return string.Concat(hash.Select(b => b.ToString("x2")));
-        }
     }
 }

src/Jackett.Common/Jackett.Common.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net9.0</TargetFrameworks>
     <Version>0.0.0</Version>
     <LangVersion>9</LangVersion>
     <NoWarn />

src/Jackett.Common/Services/CacheService.cs

@@ -1,13 +1,11 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Security.Cryptography;
-using System.Text;
+using Jackett.Common.Extensions;
 using Jackett.Common.Indexers;
 using Jackett.Common.Models;
 using Jackett.Common.Models.Config;
 using Jackett.Common.Services.Interfaces;
-using Jackett.Common.Utils;
 using Newtonsoft.Json;
 using NLog;
 
@@ -36,8 +34,7 @@ namespace Jackett.Common.Services
     {
         private readonly Logger _logger;
         private readonly ServerConfig _serverConfig;
-        private readonly SHA256Managed _sha256 = new SHA256Managed();
-        private readonly Dictionary<string, TrackerCache> _cache = new Dictionary<string, TrackerCache>();
+        private readonly Dictionary<string, TrackerCache> _cache = new();
 
         public CacheService(Logger logger, ServerConfig serverConfig)
         {
@@ -236,11 +233,11 @@ namespace Jackett.Common.Services
             }
         }
 
-        private string GetQueryHash(TorznabQuery query)
+        private static string GetQueryHash(TorznabQuery query)
         {
             var json = GetSerializedQuery(query);
-            // Compute the hash
-            return BitConverter.ToString(_sha256.ComputeHash(Encoding.UTF8.GetBytes(json)));
+
+            return json.SHA256Hash();
         }
 
         private static string GetSerializedQuery(TorznabQuery query)

src/Jackett.Common/Services/ConfigurationService.cs

@@ -51,7 +51,8 @@ namespace Jackett.Common.Services
                 if (!Directory.Exists(GetAppDataFolder()))
                 {
                     var dir = Directory.CreateDirectory(GetAppDataFolder());
-                    if (Environment.OSVersion.Platform != PlatformID.Unix)
+
+                    if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                     {
                         var access = dir.GetAccessControl();
                         var directorySecurity = new DirectorySecurity(GetAppDataFolder(), AccessControlSections.All);
@@ -126,7 +127,7 @@ namespace Jackett.Common.Services
                 if (!Directory.Exists(destFolder))
                 {
                     var dir = Directory.CreateDirectory(destFolder);
-                    if (Environment.OSVersion.Platform != PlatformID.Unix)
+                    if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                     {
                         var directorySecurity = new DirectorySecurity(destFolder, AccessControlSections.All);
                         directorySecurity.AddAccessRule(new FileSystemAccessRule(new SecurityIdentifier(WellKnownSidType.WorldSid, null), FileSystemRights.FullControl, InheritanceFlags.ObjectInherit | InheritanceFlags.ContainerInherit, PropagationFlags.None, AccessControlType.Allow));
@@ -137,7 +138,7 @@ namespace Jackett.Common.Services
                 {
                     File.Copy(file, destPath);
                     // The old files were created when running as admin so make sure they are editable by normal users / services.
-                    if (Environment.OSVersion.Platform != PlatformID.Unix)
+                    if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                     {
                         var fileInfo = new FileInfo(destFolder);
                         var fileSecurity = new FileSecurity(destPath, AccessControlSections.All);

src/Jackett.Common/Services/UpdateService.cs

@@ -74,8 +74,6 @@ namespace Jackett.Common.Services
             }
         }
 
-        private bool AcceptCert(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) => true;
-
         private async Task CheckForUpdates()
         {
             logger.Info($"Checking for updates... Jackett variant: {variant}");
@@ -180,14 +178,7 @@ namespace Jackett.Common.Services
             }
             catch (Exception e)
             {
-                logger.Error($"Error checking for updates.\n{e}");
-            }
-            finally
-            {
-                if (!isWindows)
-                {
-                    System.Net.ServicePointManager.ServerCertificateValidationCallback -= AcceptCert;
-                }
+                logger.Error(e, $"Error checking for updates.\n{e}");
             }
         }
 

src/Jackett.Common/Services/WindowsServiceConfigService.cs

@@ -2,6 +2,7 @@ using System;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
+using System.Runtime.Versioning;
 using System.ServiceProcess;
 using Jackett.Common.Services.Interfaces;
 using Jackett.Common.Utils;
@@ -9,6 +10,9 @@ using NLog;
 
 namespace Jackett.Common.Services
 {
+#if NET5_0_OR_GREATER
+    [SupportedOSPlatform("windows")]
+#endif
     public class WindowsServiceConfigService : IServiceConfigService
     {
         private const string NAME = "Jackett";

src/Jackett.Common/Utils/Clients/HttpWebClient.cs

@@ -29,8 +29,13 @@ namespace Jackett.Common.Utils.Clients
         }
 
         [DebuggerNonUserCode] // avoid "Exception User-Unhandled" Visual Studio messages
-        public static bool ValidateCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
+        public bool ValidateCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
         {
+            if (serverConfig.RuntimeSettings.IgnoreSslErrors == true)
+            {
+                return true;
+            }
+
             if (sender.GetType() != typeof(HttpWebRequest))
                 return sslPolicyErrors == SslPolicyErrors.None;
 
@@ -51,24 +56,11 @@ namespace Jackett.Common.Utils.Clients
 
         public override void SetTimeout(int seconds) => ClientTimeout = seconds;
 
-        public override void Init()
-        {
-            base.Init();
-
-            // custom handler for our own internal certificates
-            if (serverConfig.RuntimeSettings.IgnoreSslErrors == true)
-                ServicePointManager.ServerCertificateValidationCallback += (sender, certificate, chain, sslPolicyErrors) => true;
-            else
-                ServicePointManager.ServerCertificateValidationCallback += ValidateCertificate;
-        }
-
         protected override async Task<WebResult> Run(WebRequest webRequest)
         {
-            ServicePointManager.SecurityProtocol = (SecurityProtocolType)192 | (SecurityProtocolType)768 | (SecurityProtocolType)3072;
-
             var cookies = new CookieContainer
             {
-                PerDomainCapacity = 100 // By default only 20 cookies are allowed per domain
+                PerDomainCapacity = 100 // By default, only 20 cookies are allowed per domain
             };
             if (!string.IsNullOrWhiteSpace(webRequest.Cookies))
             {
@@ -86,14 +78,17 @@ namespace Jackett.Common.Utils.Clients
                 clearanceHandlr.ProxyUrl = serverConfig.GetProxyUrl(false);
                 clearanceHandlr.ProxyUsername = serverConfig.ProxyUsername;
                 clearanceHandlr.ProxyPassword = serverConfig.ProxyPassword;
+
                 using (var clientHandlr = new HttpClientHandler
                 {
                     CookieContainer = cookies,
                     AllowAutoRedirect = false, // Do not use this - Bugs ahoy! Lost cookies and more.
                     UseCookies = true,
                     Proxy = webProxy,
-                    UseProxy = (webProxy != null),
-                    AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate
+                    UseProxy = webProxy != null,
+                    AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate,
+                    MaxConnectionsPerServer = 20,
+                    ServerCertificateCustomValidationCallback = ValidateCertificate,
                 })
                 {
                     clearanceHandlr.InnerHandler = clientHandlr;

src/Jackett.Common/Utils/Clients/HttpWebClient2.cs

@@ -33,14 +33,19 @@ namespace Jackett.Common.Utils.Clients
         {
             cookies = new CookieContainer
             {
-                PerDomainCapacity = 100 // By default only 20 cookies are allowed per domain
+                PerDomainCapacity = 100 // By default, only 20 cookies are allowed per domain
             };
             CreateClient();
         }
 
         [DebuggerNonUserCode] // avoid "Exception User-Unhandled" Visual Studio messages
-        public static bool ValidateCertificate(HttpRequestMessage request, X509Certificate2 certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
+        public bool ValidateCertificate(HttpRequestMessage request, X509Certificate2 certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
         {
+            if (serverConfig.RuntimeSettings.IgnoreSslErrors == true)
+            {
+                return true;
+            }
+
             var hash = certificate.GetCertHashString();
 
             trustedCertificates.TryGetValue(hash, out var hosts);
@@ -70,16 +75,12 @@ namespace Jackett.Common.Utils.Clients
                 AllowAutoRedirect = false, // Do not use this - Bugs ahoy! Lost cookies and more.
                 UseCookies = true,
                 Proxy = webProxy,
-                UseProxy = (webProxy != null),
-                AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate
+                UseProxy = webProxy != null,
+                AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate,
+                MaxConnectionsPerServer = 20,
+                ServerCertificateCustomValidationCallback = ValidateCertificate,
             };
 
-            // custom certificate validation handler (netcore version)
-            if (serverConfig.RuntimeSettings.IgnoreSslErrors == true)
-                clientHandlr.ServerCertificateCustomValidationCallback = (sender, certificate, chain, sslPolicyErrors) => true;
-            else
-                clientHandlr.ServerCertificateCustomValidationCallback = ValidateCertificate;
-
             clearanceHandlr.InnerHandler = clientHandlr;
             client = new HttpClient(clearanceHandlr);
 
@@ -103,13 +104,6 @@ namespace Jackett.Common.Utils.Clients
             client.Timeout = TimeSpan.FromSeconds(ClientTimeout);
         }
 
-        public override void Init()
-        {
-            base.Init();
-
-            ServicePointManager.SecurityProtocol = (SecurityProtocolType)192 | (SecurityProtocolType)768 | (SecurityProtocolType)3072;
-        }
-
         protected override async Task<WebResult> Run(WebRequest webRequest)
         {
             var request = new HttpRequestMessage();

src/Jackett.Common/Utils/Clients/WebClient.cs

@@ -220,11 +220,7 @@ namespace Jackett.Common.Utils.Clients
             return result;
         }
 
-#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously
-        protected virtual async Task<WebResult> Run(WebRequest webRequest) => throw new NotImplementedException();
-#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
-
-        public virtual void Init() => ServicePointManager.DefaultConnectionLimit = 1000;
+        protected virtual Task<WebResult> Run(WebRequest webRequest) => throw new NotImplementedException();
 
         public virtual void OnCompleted() => throw new NotImplementedException();
 

src/Jackett.Common/Utils/ServerUtil.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Runtime.InteropServices;
 using System.Security.Principal;
 using Jackett.Common.Utils.Clients;
 
@@ -75,7 +76,11 @@ namespace Jackett.Common.Utils
 
         public static bool IsUserAdministrator()
         {
-            //bool value to hold our return value
+            if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                return false;
+            }
+
             bool isAdmin;
             try
             {

src/Jackett.Common/Utils/StringCipher.cs

@@ -1,104 +0,0 @@
-using System;
-using System.IO;
-using System.Linq;
-using System.Security.Cryptography;
-using System.Text;
-
-namespace Jackett.Common.Utils
-{
-    public static class StringCipher
-    {
-        // This constant is used to determine the keysize of the encryption algorithm in bits.
-        // We divide this by 8 within the code below to get the equivalent number of bytes.
-        private const int Keysize = 256;
-
-        // This constant determines the number of iterations for the password bytes generation function.
-        private const int DerivationIterations = 1000;
-
-        public static string Encrypt(string plainText, string passPhrase)
-        {
-            // Salt and IV is randomly generated each time, but is preprended to encrypted cipher text
-            // so that the same Salt and IV values can be used when decrypting.  
-            var saltStringBytes = Generate256BitsOfRandomEntropy();
-            var ivStringBytes = Generate256BitsOfRandomEntropy();
-            var plainTextBytes = Encoding.UTF8.GetBytes(plainText);
-            using (var password = new Rfc2898DeriveBytes(passPhrase, saltStringBytes, DerivationIterations))
-            {
-                var keyBytes = password.GetBytes(Keysize / 8);
-                using (var symmetricKey = new RijndaelManaged())
-                {
-                    symmetricKey.BlockSize = 256;
-                    symmetricKey.Mode = CipherMode.CBC;
-                    symmetricKey.Padding = PaddingMode.PKCS7;
-                    using (var encryptor = symmetricKey.CreateEncryptor(keyBytes, ivStringBytes))
-                    {
-                        using (var memoryStream = new MemoryStream())
-                        {
-                            using (var cryptoStream = new CryptoStream(memoryStream, encryptor, CryptoStreamMode.Write))
-                            {
-                                cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);
-                                cryptoStream.FlushFinalBlock();
-                                // Create the final bytes as a concatenation of the random salt bytes, the random iv bytes and the cipher bytes.
-                                var cipherTextBytes = saltStringBytes;
-                                cipherTextBytes = cipherTextBytes.Concat(ivStringBytes).ToArray();
-                                cipherTextBytes = cipherTextBytes.Concat(memoryStream.ToArray()).ToArray();
-                                memoryStream.Close();
-                                cryptoStream.Close();
-                                return Convert.ToBase64String(cipherTextBytes);
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        public static string Decrypt(string cipherText, string passPhrase)
-        {
-            // Get the complete stream of bytes that represent:
-            // [32 bytes of Salt] + [32 bytes of IV] + [n bytes of CipherText]
-            var cipherTextBytesWithSaltAndIv = Convert.FromBase64String(cipherText);
-            // Get the saltbytes by extracting the first 32 bytes from the supplied cipherText bytes.
-            var saltStringBytes = cipherTextBytesWithSaltAndIv.Take(Keysize / 8).ToArray();
-            // Get the IV bytes by extracting the next 32 bytes from the supplied cipherText bytes.
-            var ivStringBytes = cipherTextBytesWithSaltAndIv.Skip(Keysize / 8).Take(Keysize / 8).ToArray();
-            // Get the actual cipher text bytes by removing the first 64 bytes from the cipherText string.
-            var cipherTextBytes = cipherTextBytesWithSaltAndIv.Skip((Keysize / 8) * 2).Take(cipherTextBytesWithSaltAndIv.Length - ((Keysize / 8) * 2)).ToArray();
-
-            using (var password = new Rfc2898DeriveBytes(passPhrase, saltStringBytes, DerivationIterations))
-            {
-                var keyBytes = password.GetBytes(Keysize / 8);
-                using (var symmetricKey = new RijndaelManaged())
-                {
-                    symmetricKey.BlockSize = 256;
-                    symmetricKey.Mode = CipherMode.CBC;
-                    symmetricKey.Padding = PaddingMode.PKCS7;
-                    using (var decryptor = symmetricKey.CreateDecryptor(keyBytes, ivStringBytes))
-                    {
-                        using (var memoryStream = new MemoryStream(cipherTextBytes))
-                        {
-                            using (var cryptoStream = new CryptoStream(memoryStream, decryptor, CryptoStreamMode.Read))
-                            {
-                                var plainTextBytes = new byte[cipherTextBytes.Length];
-                                var decryptedByteCount = cryptoStream.Read(plainTextBytes, 0, plainTextBytes.Length);
-                                memoryStream.Close();
-                                cryptoStream.Close();
-                                return Encoding.UTF8.GetString(plainTextBytes, 0, decryptedByteCount);
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        private static byte[] Generate256BitsOfRandomEntropy()
-        {
-            var randomBytes = new byte[32]; // 32 Bytes will give us 256 bits.
-            using (var rngCsp = new RNGCryptoServiceProvider())
-            {
-                // Fill the array with cryptographically secure random bytes.
-                rngCsp.GetBytes(randomBytes);
-            }
-            return randomBytes;
-        }
-    }
-}

src/Jackett.Server/Services/SecurityService.cs

@@ -29,9 +29,7 @@ namespace Jackett.Server.Services
                 return null;
 
             var ue = new UnicodeEncoding();
-#pragma warning disable SYSLIB0021
-            var hashString = new SHA512Managed();
-#pragma warning restore SYSLIB0021
+            var hashString = SHA512.Create();
 
             // Append key as salt
             input += _serverConfig.APIKey;

src/Jackett.Server/Services/ServerService.cs

@@ -341,7 +341,6 @@ namespace Jackett.Server.Services
 
             // Load indexers
             indexerService.InitIndexers(configService.GetCardigannDefinitionsFolders());
-            client.Init();
 
             updater.CleanupTempDir();
             updater.CheckUpdaterLock();

src/Jackett.Test/TestHelpers/TestWebClient.cs

@@ -48,9 +48,5 @@ namespace Jackett.Test.TestHelpers
                     });
             throw new Exception($"You have to mock the URL {request.Url} with RegisterRequestCallback");
         }
-
-        public override void Init()
-        {
-        }
     }
 }