Use CultureInvariant string conversion for Guids

Emby.Dlna/Didl/DidlBuilder.cs

@@ -1082,7 +1082,7 @@ namespace Emby.Dlna.Didl
 
         public static string GetClientId(Guid idValue, StubType? stubType)
         {
-            var id = idValue.ToString("N");
+            var id = idValue.ToString("N", CultureInfo.InvariantCulture);
 
             if (stubType.HasValue)
             {
@@ -1096,7 +1096,7 @@ namespace Emby.Dlna.Didl
         {
             var url = string.Format("{0}/Items/{1}/Images/{2}/0/{3}/{4}/{5}/{6}/0/0",
                 _serverAddress,
-                info.ItemId.ToString("N"),
+                info.ItemId.ToString("N", CultureInfo.InvariantCulture),
                 info.Type,
                 info.ImageTag,
                 format,

Emby.Dlna/DlnaManager.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Reflection;
@@ -300,7 +301,7 @@ namespace Emby.Dlna
 
                     profile = ReserializeProfile(tempProfile);
 
-                    profile.Id = path.ToLowerInvariant().GetMD5().ToString("N");
+                    profile.Id = path.ToLowerInvariant().GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
                     _profiles[path] = new Tuple<InternalProfileInfo, DeviceProfile>(GetInternalProfileInfo(_fileSystem.GetFileInfo(path), type), profile);
 
@@ -352,7 +353,7 @@ namespace Emby.Dlna
 
                 Info = new DeviceProfileInfo
                 {
-                    Id = file.FullName.ToLowerInvariant().GetMD5().ToString("N"),
+                    Id = file.FullName.ToLowerInvariant().GetMD5().ToString("N", CultureInfo.InvariantCulture),
                     Name = _fileSystem.GetFileNameWithoutExtension(file),
                     Type = type
                 }

Emby.Dlna/Eventing/EventManager.cs

@@ -55,7 +55,7 @@ namespace Emby.Dlna.Eventing
         public EventSubscriptionResponse CreateEventSubscription(string notificationType, string requestedTimeoutString, string callbackUrl)
         {
             var timeout = ParseTimeout(requestedTimeoutString) ?? 300;
-            var id = "uuid:" + Guid.NewGuid().ToString("N");
+            var id = "uuid:" + Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
             // Remove logging for now because some devices are sending this very frequently
             // TODO re-enable with dlna debug logging setting

Emby.Dlna/Main/DlnaEntryPoint.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Net.Sockets;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
 using Emby.Dlna.PlayTo;
@@ -307,7 +308,7 @@ namespace Emby.Dlna.Main
             {
                 guid = text.GetMD5();
             }
-            return guid.ToString("N");
+            return guid.ToString("N", CultureInfo.InvariantCulture);
         }
 
         private void SetProperies(SsdpDevice device, string fullDeviceType)

Emby.Dlna/PlayTo/PlayToManager.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using System.Net;
 using System.Threading;
@@ -141,7 +142,7 @@ namespace Emby.Dlna.PlayTo
                 return usn;
             }
 
-            return usn.GetMD5().ToString("N");
+            return usn.GetMD5().ToString("N", CultureInfo.InvariantCulture);
         }
 
         private async Task AddDevice(UpnpDeviceInfo info, string location, CancellationToken cancellationToken)
@@ -156,7 +157,7 @@ namespace Emby.Dlna.PlayTo
             }
             else
             {
-                uuid = location.GetMD5().ToString("N");
+                uuid = location.GetMD5().ToString("N", CultureInfo.InvariantCulture);
             }
 
             var sessionInfo = _sessionManager.LogSessionActivity("DLNA", _appHost.ApplicationVersion, uuid, null, uri.OriginalString, null);

Emby.Drawing/ImageProcessor.cs

@@ -454,14 +454,14 @@ namespace Emby.Drawing
             // Optimization
             if (imageEnhancers.Length == 0)
             {
-                return (originalImagePath + dateModified.Ticks).GetMD5().ToString("N");
+                return (originalImagePath + dateModified.Ticks).GetMD5().ToString("N", CultureInfo.InvariantCulture);
             }
 
             // Cache name is created with supported enhancers combined with the last config change so we pick up new config changes
             var cacheKeys = imageEnhancers.Select(i => i.GetConfigurationCacheKey(item, imageType)).ToList();
             cacheKeys.Add(originalImagePath + dateModified.Ticks);
 
-            return string.Join("|", cacheKeys).GetMD5().ToString("N");
+            return string.Join("|", cacheKeys).GetMD5().ToString("N", CultureInfo.InvariantCulture);
         }
 
         private async Task<(string path, DateTime dateModified)> GetSupportedImage(string originalImagePath, DateTime dateModified)
@@ -480,7 +480,7 @@ namespace Emby.Drawing
             {
                 try
                 {
-                    string filename = (originalImagePath + dateModified.Ticks.ToString(UsCulture)).GetMD5().ToString("N");
+                    string filename = (originalImagePath + dateModified.Ticks.ToString(UsCulture)).GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
                     string cacheExtension = _mediaEncoder().SupportsEncoder("libwebp") ? ".webp" : ".png";
                     var outputPath = Path.Combine(_appPaths.ImageCachePath, "converted-images", filename + cacheExtension);

Emby.Notifications/NotificationManager.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -101,7 +102,7 @@ namespace Emby.Notifications
                 var config = GetConfiguration();
 
                 return _userManager.Users
-                    .Where(i => config.IsEnabledToSendToUser(request.NotificationType, i.Id.ToString("N"), i.Policy))
+                    .Where(i => config.IsEnabledToSendToUser(request.NotificationType, i.Id.ToString("N", CultureInfo.InvariantCulture), i.Policy))
                     .Select(i => i.Id);
             }
 
@@ -197,7 +198,7 @@ namespace Emby.Notifications
             return _services.Select(i => new NameIdPair
             {
                 Name = i.Name,
-                Id = i.Name.GetMD5().ToString("N")
+                Id = i.Name.GetMD5().ToString("N", CultureInfo.InvariantCulture)
 
             }).OrderBy(i => i.Name);
         }

Emby.Server.Implementations/Activity/ActivityLogEntryPoint.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -75,7 +76,6 @@ namespace Emby.Server.Implementations.Activity
             _sessionManager.AuthenticationFailed += OnAuthenticationFailed;
             _sessionManager.AuthenticationSucceeded += OnAuthenticationSucceeded;
             _sessionManager.SessionEnded += OnSessionEnded;
-
             _sessionManager.PlaybackStart += OnPlaybackStart;
             _sessionManager.PlaybackStopped += OnPlaybackStopped;
 
@@ -117,7 +117,7 @@ namespace Emby.Server.Implementations.Activity
             {
                 Name = string.Format(_localization.GetLocalizedString("SubtitleDownloadFailureFromForItem"), e.Provider, Notifications.Notifications.GetItemName(e.Item)),
                 Type = "SubtitleDownloadFailure",
-                ItemId = e.Item.Id.ToString("N"),
+                ItemId = e.Item.Id.ToString("N", CultureInfo.InvariantCulture),
                 ShortOverview = e.Exception.Message
             });
         }

Emby.Server.Implementations/Activity/ActivityRepository.cs

@@ -102,7 +102,7 @@ namespace Emby.Server.Implementations.Activity
                         }
                         else
                         {
-                            statement.TryBind("@UserId", entry.UserId.ToString("N"));
+                            statement.TryBind("@UserId", entry.UserId.ToString("N", CultureInfo.InvariantCulture));
                         }
 
                         statement.TryBind("@DateCreated", entry.Date.ToDateTimeParamValue());
@@ -141,7 +141,7 @@ namespace Emby.Server.Implementations.Activity
                         }
                         else
                         {
-                            statement.TryBind("@UserId", entry.UserId.ToString("N"));
+                            statement.TryBind("@UserId", entry.UserId.ToString("N", CultureInfo.InvariantCulture));
                         }
 
                         statement.TryBind("@DateCreated", entry.Date.ToDateTimeParamValue());

Emby.Server.Implementations/ApplicationHost.cs

@@ -1220,7 +1220,7 @@ namespace Emby.Server.Implementations
 
             // Generate self-signed cert
             var certHost = GetHostnameFromExternalDns(ServerConfigurationManager.Configuration.WanDdns);
-            var certPath = Path.Combine(ServerConfigurationManager.ApplicationPaths.ProgramDataPath, "ssl", "cert_" + (certHost + "2").GetMD5().ToString("N") + ".pfx");
+            var certPath = Path.Combine(ServerConfigurationManager.ApplicationPaths.ProgramDataPath, "ssl", "cert_" + (certHost + "2").GetMD5().ToString("N", CultureInfo.InvariantCulture) + ".pfx");
             const string Password = "embycert";
 
             return new CertificateInfo

Emby.Server.Implementations/Channels/ChannelManager.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -206,7 +207,7 @@ namespace Emby.Server.Implementations.Channels
 
                     try
                     {
-                        return GetChannelProvider(i).IsEnabledFor(user.Id.ToString("N"));
+                        return GetChannelProvider(i).IsEnabledFor(user.Id.ToString("N", CultureInfo.InvariantCulture));
                     }
                     catch
                     {
@@ -511,7 +512,7 @@ namespace Emby.Server.Implementations.Channels
                 IncludeItemTypes = new[] { typeof(Channel).Name },
                 OrderBy = new ValueTuple<string, SortOrder>[] { new ValueTuple<string, SortOrder>(ItemSortBy.SortName, SortOrder.Ascending) }
 
-            }).Select(i => GetChannelFeatures(i.ToString("N"))).ToArray();
+            }).Select(i => GetChannelFeatures(i.ToString("N", CultureInfo.InvariantCulture))).ToArray();
         }
 
         public ChannelFeatures GetChannelFeatures(string id)
@@ -552,7 +553,7 @@ namespace Emby.Server.Implementations.Channels
                 SupportsSortOrderToggle = features.SupportsSortOrderToggle,
                 SupportsLatestMedia = supportsLatest,
                 Name = channel.Name,
-                Id = channel.Id.ToString("N"),
+                Id = channel.Id.ToString("N", CultureInfo.InvariantCulture),
                 SupportsContentDownloading = features.SupportsContentDownloading,
                 AutoRefreshLevels = features.AutoRefreshLevels
             };
@@ -740,7 +741,7 @@ namespace Emby.Server.Implementations.Channels
             bool sortDescending,
             CancellationToken cancellationToken)
         {
-            var userId = user == null ? null : user.Id.ToString("N");
+            var userId = user == null ? null : user.Id.ToString("N", CultureInfo.InvariantCulture);
 
             var cacheLength = CacheLength;
             var cachePath = GetChannelDataCachePath(channel, userId, externalFolderId, sortField, sortDescending);
@@ -836,7 +837,7 @@ namespace Emby.Server.Implementations.Channels
             ChannelItemSortField? sortField,
             bool sortDescending)
         {
-            var channelId = GetInternalChannelId(channel.Name).ToString("N");
+            var channelId = GetInternalChannelId(channel.Name).ToString("N", CultureInfo.InvariantCulture);
 
             var userCacheKey = string.Empty;
 
@@ -846,10 +847,10 @@ namespace Emby.Server.Implementations.Channels
                 userCacheKey = hasCacheKey.GetCacheKey(userId) ?? string.Empty;
             }
 
-            var filename = string.IsNullOrEmpty(externalFolderId) ? "root" : externalFolderId.GetMD5().ToString("N");
+            var filename = string.IsNullOrEmpty(externalFolderId) ? "root" : externalFolderId.GetMD5().ToString("N", CultureInfo.InvariantCulture);
             filename += userCacheKey;
 
-            var version = ((channel.DataVersion ?? string.Empty) + "2").GetMD5().ToString("N");
+            var version = ((channel.DataVersion ?? string.Empty) + "2").GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
             if (sortField.HasValue)
             {
@@ -860,7 +861,7 @@ namespace Emby.Server.Implementations.Channels
                 filename += "-sortDescending";
             }
 
-            filename = filename.GetMD5().ToString("N");
+            filename = filename.GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
             return Path.Combine(_config.ApplicationPaths.CachePath,
                 "channels",

Emby.Server.Implementations/Collections/CollectionManager.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -182,7 +183,7 @@ namespace Emby.Server.Implementations.Collections
 
         public void AddToCollection(Guid collectionId, IEnumerable<Guid> ids)
         {
-            AddToCollection(collectionId, ids.Select(i => i.ToString("N")), true, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)));
+            AddToCollection(collectionId, ids.Select(i => i.ToString("N", CultureInfo.InvariantCulture)), true, new MetadataRefreshOptions(new DirectoryService(_logger, _fileSystem)));
         }
 
         private void AddToCollection(Guid collectionId, IEnumerable<string> ids, bool fireEvent, MetadataRefreshOptions refreshOptions)

Emby.Server.Implementations/Data/SqliteDisplayPreferencesRepository.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Threading;
 using MediaBrowser.Common.Configuration;
@@ -182,7 +183,7 @@ namespace Emby.Server.Implementations.Data
 
                 return new DisplayPreferences
                 {
-                    Id = guidId.ToString("N")
+                    Id = guidId.ToString("N", CultureInfo.InvariantCulture)
                 };
             }
         }

Emby.Server.Implementations/Data/SqliteItemRepository.cs

@@ -696,7 +696,7 @@ namespace Emby.Server.Implementations.Data
                 saveItemStatement.TryBindNull("@EndDate");
             }
 
-            saveItemStatement.TryBind("@ChannelId", item.ChannelId.Equals(Guid.Empty) ? null : item.ChannelId.ToString("N"));
+            saveItemStatement.TryBind("@ChannelId", item.ChannelId.Equals(Guid.Empty) ? null : item.ChannelId.ToString("N", CultureInfo.InvariantCulture));
 
             if (item is IHasProgramAttributes hasProgramAttributes)
             {
@@ -851,7 +851,7 @@ namespace Emby.Server.Implementations.Data
             }
             else
             {
-                saveItemStatement.TryBind("@TopParentId", topParent.Id.ToString("N"));
+                saveItemStatement.TryBind("@TopParentId", topParent.Id.ToString("N", CultureInfo.InvariantCulture));
             }
 
             if (item is Trailer trailer && trailer.TrailerTypes.Length > 0)
@@ -3548,12 +3548,12 @@ namespace Emby.Server.Implementations.Data
                 whereClauses.Add("ChannelId=@ChannelId");
                 if (statement != null)
                 {
-                    statement.TryBind("@ChannelId", query.ChannelIds[0].ToString("N"));
+                    statement.TryBind("@ChannelId", query.ChannelIds[0].ToString("N", CultureInfo.InvariantCulture));
                 }
             }
             else if (query.ChannelIds.Length > 1)
             {
-                var inClause = string.Join(",", query.ChannelIds.Select(i => "'" + i.ToString("N") + "'"));
+                var inClause = string.Join(",", query.ChannelIds.Select(i => "'" + i.ToString("N", CultureInfo.InvariantCulture) + "'"));
                 whereClauses.Add($"ChannelId in ({inClause})");
             }
 
@@ -4537,12 +4537,12 @@ namespace Emby.Server.Implementations.Data
                 }
                 if (statement != null)
                 {
-                    statement.TryBind("@TopParentId", queryTopParentIds[0].ToString("N"));
+                    statement.TryBind("@TopParentId", queryTopParentIds[0].ToString("N", CultureInfo.InvariantCulture));
                 }
             }
             else if (queryTopParentIds.Length > 1)
             {
-                var val = string.Join(",", queryTopParentIds.Select(i => "'" + i.ToString("N") + "'"));
+                var val = string.Join(",", queryTopParentIds.Select(i => "'" + i.ToString("N", CultureInfo.InvariantCulture) + "'"));
 
                 if (enableItemsByName && includedItemByNameTypes.Count == 1)
                 {
@@ -4574,7 +4574,7 @@ namespace Emby.Server.Implementations.Data
             }
             if (query.AncestorIds.Length > 1)
             {
-                var inClause = string.Join(",", query.AncestorIds.Select(i => "'" + i.ToString("N") + "'"));
+                var inClause = string.Join(",", query.AncestorIds.Select(i => "'" + i.ToString("N", CultureInfo.InvariantCulture) + "'"));
                 whereClauses.Add(string.Format("Guid in (select itemId from AncestorIds where AncestorIdText in ({0}))", inClause));
             }
             if (!string.IsNullOrWhiteSpace(query.AncestorWithPresentationUniqueKey))
@@ -4637,7 +4637,7 @@ namespace Emby.Server.Implementations.Data
 
                 foreach (var folderId in query.BoxSetLibraryFolders)
                 {
-                    folderIdQueries.Add("data like '%" + folderId.ToString("N") + "%'");
+                    folderIdQueries.Add("data like '%" + folderId.ToString("N", CultureInfo.InvariantCulture) + "%'");
                 }
 
                 whereClauses.Add("(" + string.Join(" OR ", folderIdQueries) + ")");
@@ -5161,7 +5161,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                     var ancestorId = ancestorIds[i];
 
                     statement.TryBind("@AncestorId" + index, ancestorId.ToGuidBlob());
-                    statement.TryBind("@AncestorIdText" + index, ancestorId.ToString("N"));
+                    statement.TryBind("@AncestorIdText" + index, ancestorId.ToString("N", CultureInfo.InvariantCulture));
                 }
 
                 statement.Reset();
@@ -5579,6 +5579,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type
                 {
                     counts.TrailerCount = value;
                 }
+
                 counts.ItemCount += value;
             }
 

Emby.Server.Implementations/Devices/DeviceId.cs

@@ -1,8 +1,8 @@
 using System;
+using System.Globalization;
 using System.IO;
 using System.Text;
 using MediaBrowser.Common.Configuration;
-using MediaBrowser.Model.IO;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.Devices
@@ -67,7 +67,7 @@ namespace Emby.Server.Implementations.Devices
 
         private static string GetNewId()
         {
-            return Guid.NewGuid().ToString("N");
+            return Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
         }
 
         private string GetDeviceId()

Emby.Server.Implementations/Devices/DeviceManager.cs

@@ -1,11 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Devices;
 using MediaBrowser.Controller.Entities;
@@ -195,7 +195,7 @@ namespace Emby.Server.Implementations.Devices
 
         private string GetDevicePath(string id)
         {
-            return Path.Combine(GetDevicesPath(), id.GetMD5().ToString("N"));
+            return Path.Combine(GetDevicesPath(), id.GetMD5().ToString("N", CultureInfo.InvariantCulture));
         }
 
         public ContentUploadHistory GetCameraUploadHistory(string deviceId)

Emby.Server.Implementations/Dto/DtoService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
@@ -213,7 +214,7 @@ namespace Emby.Server.Implementations.Dto
 
             if (options.ContainsField(ItemFields.DisplayPreferencesId))
             {
-                dto.DisplayPreferencesId = item.DisplayPreferencesId.ToString("N");
+                dto.DisplayPreferencesId = item.DisplayPreferencesId.ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (user != null)
@@ -444,7 +445,7 @@ namespace Emby.Server.Implementations.Dto
         /// <exception cref="ArgumentNullException">item</exception>
         public string GetDtoId(BaseItem item)
         {
-            return item.Id.ToString("N");
+            return item.Id.ToString("N", CultureInfo.InvariantCulture);
         }
 
         private static void SetBookProperties(BaseItemDto dto, Book item)
@@ -608,7 +609,7 @@ namespace Emby.Server.Implementations.Dto
                 if (dictionary.TryGetValue(person.Name, out Person entity))
                 {
                     baseItemPerson.PrimaryImageTag = GetImageCacheTag(entity, ImageType.Primary);
-                    baseItemPerson.Id = entity.Id.ToString("N");
+                    baseItemPerson.Id = entity.Id.ToString("N", CultureInfo.InvariantCulture);
                     list.Add(baseItemPerson);
                 }
             }
@@ -893,7 +894,7 @@ namespace Emby.Server.Implementations.Dto
                 //var artistItems = _libraryManager.GetArtists(new InternalItemsQuery
                 //{
                 //    EnableTotalRecordCount = false,
-                //    ItemIds = new[] { item.Id.ToString("N") }
+                //    ItemIds = new[] { item.Id.ToString("N", CultureInfo.InvariantCulture) }
                 //});
 
                 //dto.ArtistItems = artistItems.Items
@@ -903,7 +904,7 @@ namespace Emby.Server.Implementations.Dto
                 //        return new NameIdPair
                 //        {
                 //            Name = artist.Name,
-                //            Id = artist.Id.ToString("N")
+                //            Id = artist.Id.ToString("N", CultureInfo.InvariantCulture)
                 //        };
                 //    })
                 //    .ToList();
@@ -946,7 +947,7 @@ namespace Emby.Server.Implementations.Dto
                 //var artistItems = _libraryManager.GetAlbumArtists(new InternalItemsQuery
                 //{
                 //    EnableTotalRecordCount = false,
-                //    ItemIds = new[] { item.Id.ToString("N") }
+                //    ItemIds = new[] { item.Id.ToString("N", CultureInfo.InvariantCulture) }
                 //});
 
                 //dto.AlbumArtists = artistItems.Items
@@ -956,7 +957,7 @@ namespace Emby.Server.Implementations.Dto
                 //        return new NameIdPair
                 //        {
                 //            Name = artist.Name,
-                //            Id = artist.Id.ToString("N")
+                //            Id = artist.Id.ToString("N", CultureInfo.InvariantCulture)
                 //        };
                 //    })
                 //    .ToList();
@@ -1044,7 +1045,7 @@ namespace Emby.Server.Implementations.Dto
                         }
                         else
                         {
-                            string id = item.Id.ToString("N");
+                            string id = item.Id.ToString("N", CultureInfo.InvariantCulture);
                             mediaStreams = dto.MediaSources.Where(i => string.Equals(i.Id, id, StringComparison.OrdinalIgnoreCase))
                                 .SelectMany(i => i.MediaStreams)
                                 .ToArray();

Emby.Server.Implementations/EntryPoints/LibraryChangedNotifier.cs

@@ -100,7 +100,7 @@ namespace Emby.Server.Implementations.EntryPoints
             _lastProgressMessageTimes[item.Id] = DateTime.UtcNow;
 
             var dict = new Dictionary<string, string>();
-            dict["ItemId"] = item.Id.ToString("N");
+            dict["ItemId"] = item.Id.ToString("N", CultureInfo.InvariantCulture);
             dict["Progress"] = progress.ToString(CultureInfo.InvariantCulture);
 
             try
@@ -116,7 +116,7 @@ namespace Emby.Server.Implementations.EntryPoints
             foreach (var collectionFolder in collectionFolders)
             {
                 var collectionFolderDict = new Dictionary<string, string>();
-                collectionFolderDict["ItemId"] = collectionFolder.Id.ToString("N");
+                collectionFolderDict["ItemId"] = collectionFolder.Id.ToString("N", CultureInfo.InvariantCulture);
                 collectionFolderDict["Progress"] = (collectionFolder.GetRefreshProgress() ?? 0).ToString(CultureInfo.InvariantCulture);
 
                 try
@@ -378,15 +378,15 @@ namespace Emby.Server.Implementations.EntryPoints
 
             return new LibraryUpdateInfo
             {
-                ItemsAdded = itemsAdded.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                ItemsAdded = itemsAdded.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
-                ItemsUpdated = itemsUpdated.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                ItemsUpdated = itemsUpdated.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
-                ItemsRemoved = itemsRemoved.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user, true)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                ItemsRemoved = itemsRemoved.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user, true)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
-                FoldersAddedTo = foldersAddedTo.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                FoldersAddedTo = foldersAddedTo.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
-                FoldersRemovedFrom = foldersRemovedFrom.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N")).Distinct().ToArray(),
+                FoldersRemovedFrom = foldersRemovedFrom.SelectMany(i => TranslatePhysicalItemToUserLibrary(i, user)).Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture)).Distinct().ToArray(),
 
                 CollectionFolders = GetTopParentIds(newAndRemoved, allUserRootChildren).ToArray()
             };
@@ -422,7 +422,7 @@ namespace Emby.Server.Implementations.EntryPoints
                 var collectionFolders = _libraryManager.GetCollectionFolders(item, allUserRootChildren);
                 foreach (var folder in allUserRootChildren)
                 {
-                    list.Add(folder.Id.ToString("N"));
+                    list.Add(folder.Id.ToString("N", CultureInfo.InvariantCulture));
                 }
             }
 

Emby.Server.Implementations/EntryPoints/ServerEventNotifier.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common.Plugins;
@@ -134,7 +135,7 @@ namespace Emby.Server.Implementations.EntryPoints
         /// <param name="e">The e.</param>
         void userManager_UserDeleted(object sender, GenericEventArgs<User> e)
         {
-            SendMessageToUserSession(e.Argument, "UserDeleted", e.Argument.Id.ToString("N"));
+            SendMessageToUserSession(e.Argument, "UserDeleted", e.Argument.Id.ToString("N", CultureInfo.InvariantCulture));
         }
 
         void _userManager_UserPolicyUpdated(object sender, GenericEventArgs<User> e)

Emby.Server.Implementations/EntryPoints/UserDataChangeNotifier.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -8,7 +9,6 @@ using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Plugins;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.Session;
 using Microsoft.Extensions.Logging;
 
@@ -125,12 +125,12 @@ namespace Emby.Server.Implementations.EntryPoints
                 .Select(i =>
                 {
                     var dto = _userDataManager.GetUserDataDto(i, user);
-                    dto.ItemId = i.Id.ToString("N");
+                    dto.ItemId = i.Id.ToString("N", CultureInfo.InvariantCulture);
                     return dto;
                 })
                 .ToArray();
 
-            var userIdString = userId.ToString("N");
+            var userIdString = userId.ToString("N", CultureInfo.InvariantCulture);
 
             return new UserDataChangeInfo
             {

Emby.Server.Implementations/HttpClientManager/HttpClientManager.cs

@@ -195,7 +195,7 @@ namespace Emby.Server.Implementations.HttpClientManager
             }
 
             var url = options.Url;
-            var urlHash = url.ToLowerInvariant().GetMD5().ToString("N");
+            var urlHash = url.ToLowerInvariant().GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
             var responseCachePath = Path.Combine(_appPaths.CachePath, "httpclient", urlHash);
 

Emby.Server.Implementations/IO/ManagedFileSystem.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
@@ -555,7 +556,7 @@ namespace Emby.Server.Implementations.IO
                 throw new ArgumentNullException(nameof(file2));
             }
 
-            var temp1 = Path.Combine(_tempPath, Guid.NewGuid().ToString("N"));
+            var temp1 = Path.Combine(_tempPath, Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture));
 
             // Copying over will fail against hidden files
             SetHidden(file1, false);

Emby.Server.Implementations/Images/BaseDynamicImageProvider.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -89,7 +90,7 @@ namespace Emby.Server.Implementations.Images
             ImageType imageType,
             CancellationToken cancellationToken)
         {
-            var outputPathWithoutExtension = Path.Combine(ApplicationPaths.TempDirectory, Guid.NewGuid().ToString("N"));
+            var outputPathWithoutExtension = Path.Combine(ApplicationPaths.TempDirectory, Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture));
             Directory.CreateDirectory(Path.GetDirectoryName(outputPathWithoutExtension));
             string outputPath = CreateImage(item, itemsWithImages, outputPathWithoutExtension, imageType, 0);
 

Emby.Server.Implementations/Library/ExclusiveLiveStream.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Library;
@@ -26,7 +27,7 @@ namespace Emby.Server.Implementations.Library
             EnableStreamSharing = false;
             _closeFn = closeFn;
             ConsumerCount = 1;
-            UniqueId = Guid.NewGuid().ToString("N");
+            UniqueId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
         }
 
         public Task Close()

Emby.Server.Implementations/Library/LibraryManager.cs

@@ -1187,12 +1187,12 @@ namespace Emby.Server.Implementations.Library
 
             if (libraryFolder != null && libraryFolder.HasImage(ImageType.Primary))
             {
-                info.PrimaryImageItemId = libraryFolder.Id.ToString("N");
+                info.PrimaryImageItemId = libraryFolder.Id.ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (libraryFolder != null)
             {
-                info.ItemId = libraryFolder.Id.ToString("N");
+                info.ItemId = libraryFolder.Id.ToString("N", CultureInfo.InvariantCulture);
                 info.LibraryOptions = GetLibraryOptions(libraryFolder);
 
                 if (refreshQueue != null)
@@ -2135,12 +2135,12 @@ namespace Emby.Server.Implementations.Library
             string viewType,
             string sortName)
         {
-            var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N");
+            var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N", CultureInfo.InvariantCulture);
-            var idValues = "38_namedview_" + name + user.Id.ToString("N") + (parentIdString ?? string.Empty) + (viewType ?? string.Empty);
+            var idValues = "38_namedview_" + name + user.Id.ToString("N", CultureInfo.InvariantCulture) + (parentIdString ?? string.Empty) + (viewType ?? string.Empty);
 
             var id = GetNewItemId(idValues, typeof(UserView));
 
-            var path = Path.Combine(ConfigurationManager.ApplicationPaths.InternalMetadataPath, "views", id.ToString("N"));
+            var path = Path.Combine(ConfigurationManager.ApplicationPaths.InternalMetadataPath, "views", id.ToString("N", CultureInfo.InvariantCulture));
 
             var item = GetItemById(id) as UserView;
 
@@ -2271,7 +2271,7 @@ namespace Emby.Server.Implementations.Library
                 throw new ArgumentNullException(nameof(name));
             }
 
-            var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N");
+            var parentIdString = parentId.Equals(Guid.Empty) ? null : parentId.ToString("N", CultureInfo.InvariantCulture);
             var idValues = "37_namedview_" + name + (parentIdString ?? string.Empty) + (viewType ?? string.Empty);
             if (!string.IsNullOrEmpty(uniqueId))
             {
@@ -2280,7 +2280,7 @@ namespace Emby.Server.Implementations.Library
 
             var id = GetNewItemId(idValues, typeof(UserView));
 
-            var path = Path.Combine(ConfigurationManager.ApplicationPaths.InternalMetadataPath, "views", id.ToString("N"));
+            var path = Path.Combine(ConfigurationManager.ApplicationPaths.InternalMetadataPath, "views", id.ToString("N", CultureInfo.InvariantCulture));
 
             var item = GetItemById(id) as UserView;
 

Emby.Server.Implementations/Library/LiveStreamHelper.cs

@@ -40,7 +40,7 @@ namespace Emby.Server.Implementations.Library
             var now = DateTime.UtcNow;
 
             MediaInfo mediaInfo = null;
-            var cacheFilePath = string.IsNullOrEmpty(cacheKey) ? null : Path.Combine(_appPaths.CachePath, "mediainfo", cacheKey.GetMD5().ToString("N") + ".json");
+            var cacheFilePath = string.IsNullOrEmpty(cacheKey) ? null : Path.Combine(_appPaths.CachePath, "mediainfo", cacheKey.GetMD5().ToString("N", CultureInfo.InvariantCulture) + ".json");
 
             if (!string.IsNullOrEmpty(cacheKey))
             {

Emby.Server.Implementations/Library/MediaSourceManager.cs

@@ -269,7 +269,7 @@ namespace Emby.Server.Implementations.Library
 
         private static void SetKeyProperties(IMediaSourceProvider provider, MediaSourceInfo mediaSource)
         {
-            var prefix = provider.GetType().FullName.GetMD5().ToString("N") + LiveStreamIdDelimeter;
+            var prefix = provider.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture) + LiveStreamIdDelimeter;
 
             if (!string.IsNullOrEmpty(mediaSource.OpenToken) && !mediaSource.OpenToken.StartsWith(prefix, StringComparison.OrdinalIgnoreCase))
             {
@@ -626,7 +626,7 @@ namespace Emby.Server.Implementations.Library
             var now = DateTime.UtcNow;
 
             MediaInfo mediaInfo = null;
-            var cacheFilePath = string.IsNullOrEmpty(cacheKey) ? null : Path.Combine(_appPaths.CachePath, "mediainfo", cacheKey.GetMD5().ToString("N") + ".json");
+            var cacheFilePath = string.IsNullOrEmpty(cacheKey) ? null : Path.Combine(_appPaths.CachePath, "mediainfo", cacheKey.GetMD5().ToString("N", CultureInfo.InvariantCulture) + ".json");
 
             if (!string.IsNullOrEmpty(cacheKey))
             {
@@ -854,7 +854,7 @@ namespace Emby.Server.Implementations.Library
 
             var keys = key.Split(new[] { LiveStreamIdDelimeter }, 2);
 
-            var provider = _providers.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N"), keys[0], StringComparison.OrdinalIgnoreCase));
+            var provider = _providers.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture), keys[0], StringComparison.OrdinalIgnoreCase));
 
             var splitIndex = key.IndexOf(LiveStreamIdDelimeter);
             var keyId = key.Substring(splitIndex + 1);

Emby.Server.Implementations/Library/UserDataManager.cs

@@ -152,7 +152,7 @@ namespace Emby.Server.Implementations.Library
         /// <returns>System.String.</returns>
         private static string GetCacheKey(long internalUserId, Guid itemId)
         {
-            return internalUserId.ToString(CultureInfo.InvariantCulture) + "-" + itemId.ToString("N");
+            return internalUserId.ToString(CultureInfo.InvariantCulture) + "-" + itemId.ToString("N", CultureInfo.InvariantCulture);
         }
 
         public UserItemData GetUserData(User user, BaseItem item)

Emby.Server.Implementations/Library/UserViewManager.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using MediaBrowser.Controller.Channels;
@@ -117,7 +118,7 @@ namespace Emby.Server.Implementations.Library
 
             if (!query.IncludeHidden)
             {
-                list = list.Where(i => !user.Configuration.MyMediaExcludes.Contains(i.Id.ToString("N"))).ToList();
+                list = list.Where(i => !user.Configuration.MyMediaExcludes.Contains(i.Id.ToString("N", CultureInfo.InvariantCulture))).ToList();
             }
 
             var sorted = _libraryManager.Sort(list, user, new[] { ItemSortBy.SortName }, SortOrder.Ascending).ToList();
@@ -127,7 +128,7 @@ namespace Emby.Server.Implementations.Library
             return list
                 .OrderBy(i =>
                 {
-                    var index = orders.IndexOf(i.Id.ToString("N"));
+                    var index = orders.IndexOf(i.Id.ToString("N", CultureInfo.InvariantCulture));
 
                     if (index == -1)
                     {
@@ -136,7 +137,7 @@ namespace Emby.Server.Implementations.Library
                         {
                             if (!view.DisplayParentId.Equals(Guid.Empty))
                             {
-                                index = orders.IndexOf(view.DisplayParentId.ToString("N"));
+                                index = orders.IndexOf(view.DisplayParentId.ToString("N", CultureInfo.InvariantCulture));
                             }
                         }
                     }
@@ -269,7 +270,7 @@ namespace Emby.Server.Implementations.Library
             {
                 parents = _libraryManager.GetUserRootFolder().GetChildren(user, true)
                     .Where(i => i is Folder)
-                    .Where(i => !user.Configuration.LatestItemsExcludes.Contains(i.Id.ToString("N")))
+                    .Where(i => !user.Configuration.LatestItemsExcludes.Contains(i.Id.ToString("N", CultureInfo.InvariantCulture)))
                     .ToList();
             }
 

Emby.Server.Implementations/Library/Validators/ArtistsValidator.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -91,7 +92,7 @@ namespace Emby.Server.Implementations.Library.Validators
                     continue;
                 }
 
-                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N"), item.Name, item.GetType().Name);
+                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N", CultureInfo.InvariantCulture), item.Name, item.GetType().Name);
 
                 _libraryManager.DeleteItem(item, new DeleteOptions
                 {

Emby.Server.Implementations/Library/Validators/PeopleValidator.cs

@@ -1,7 +1,7 @@
 using System;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;
 using MediaBrowser.Controller.Providers;
@@ -96,7 +96,7 @@ namespace Emby.Server.Implementations.Library.Validators
 
             foreach (var item in deadEntities)
             {
-                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N"), item.Name, item.GetType().Name);
+                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N", CultureInfo.InvariantCulture), item.Name, item.GetType().Name);
 
                 _libraryManager.DeleteItem(item, new DeleteOptions
                 {

Emby.Server.Implementations/Library/Validators/StudiosValidator.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Controller.Entities;
@@ -76,7 +77,7 @@ namespace Emby.Server.Implementations.Library.Validators
 
             foreach (var item in deadEntities)
             {
-                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N"), item.Name, item.GetType().Name);
+                _logger.LogInformation("Deleting dead {2} {0} {1}.", item.Id.ToString("N", CultureInfo.InvariantCulture), item.Name, item.GetType().Name);
 
                 _libraryManager.DeleteItem(item, new DeleteOptions
                 {

Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs

@@ -681,7 +681,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
                 }
             }
 
-            timer.Id = Guid.NewGuid().ToString("N");
+            timer.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
             LiveTvProgram programInfo = null;
 
@@ -713,7 +713,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
 
         public async Task<string> CreateSeriesTimer(SeriesTimerInfo info, CancellationToken cancellationToken)
         {
-            info.Id = Guid.NewGuid().ToString("N");
+            info.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
             // populate info.seriesID
             var program = GetProgramInfoFromCache(info.ProgramId);
@@ -1059,7 +1059,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             var json = _jsonSerializer.SerializeToString(mediaSource);
             mediaSource = _jsonSerializer.DeserializeFromString<MediaSourceInfo>(json);
 
-            mediaSource.Id = Guid.NewGuid().ToString("N") + "_" + mediaSource.Id;
+            mediaSource.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture) + "_" + mediaSource.Id;
 
             //if (mediaSource.DateLiveStreamOpened.HasValue && enableStreamSharing)
             //{
@@ -2529,7 +2529,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV
             var timer = new TimerInfo
             {
                 ChannelId = channelId,
-                Id = (seriesTimer.Id + parent.ExternalId).GetMD5().ToString("N"),
+                Id = (seriesTimer.Id + parent.ExternalId).GetMD5().ToString("N", CultureInfo.InvariantCulture),
                 StartDate = parent.StartDate,
                 EndDate = parent.EndDate.Value,
                 ProgramId = parent.ExternalId,

Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs

@@ -211,7 +211,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                 HasImage = program.Icon != null && !string.IsNullOrEmpty(program.Icon.Source),
                 OfficialRating = program.Rating != null && !string.IsNullOrEmpty(program.Rating.Value) ? program.Rating.Value : null,
                 CommunityRating = program.StarRating,
-                SeriesId = program.Episode == null ? null : program.Title.GetMD5().ToString("N")
+                SeriesId = program.Episode == null ? null : program.Title.GetMD5().ToString("N", CultureInfo.InvariantCulture)
             };
 
             if (string.IsNullOrWhiteSpace(program.ProgramId))
@@ -227,7 +227,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                     uniqueString = "-" + programInfo.EpisodeNumber.Value.ToString(CultureInfo.InvariantCulture);
                 }
 
-                programInfo.ShowId = uniqueString.GetMD5().ToString("N");
+                programInfo.ShowId = uniqueString.GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
                 // If we don't have valid episode info, assume it's a unique program, otherwise recordings might be skipped
                 if (programInfo.IsSeries

Emby.Server.Implementations/LiveTv/LiveTvDtoService.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -52,7 +53,7 @@ namespace Emby.Server.Implementations.LiveTv
                 ExternalId = info.Id,
                 ChannelId = GetInternalChannelId(service.Name, info.ChannelId),
                 Status = info.Status,
-                SeriesTimerId = string.IsNullOrEmpty(info.SeriesTimerId) ? null : GetInternalSeriesTimerId(info.SeriesTimerId).ToString("N"),
+                SeriesTimerId = string.IsNullOrEmpty(info.SeriesTimerId) ? null : GetInternalSeriesTimerId(info.SeriesTimerId).ToString("N", CultureInfo.InvariantCulture),
                 PrePaddingSeconds = info.PrePaddingSeconds,
                 PostPaddingSeconds = info.PostPaddingSeconds,
                 IsPostPaddingRequired = info.IsPostPaddingRequired,
@@ -69,7 +70,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (!string.IsNullOrEmpty(info.ProgramId))
             {
-                dto.ProgramId = GetInternalProgramId(info.ProgramId).ToString("N");
+                dto.ProgramId = GetInternalProgramId(info.ProgramId).ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (program != null)
@@ -107,7 +108,7 @@ namespace Emby.Server.Implementations.LiveTv
         {
             var dto = new SeriesTimerInfoDto
             {
-                Id = GetInternalSeriesTimerId(info.Id).ToString("N"),
+                Id = GetInternalSeriesTimerId(info.Id).ToString("N", CultureInfo.InvariantCulture),
                 Overview = info.Overview,
                 EndDate = info.EndDate,
                 Name = info.Name,
@@ -139,7 +140,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (!string.IsNullOrEmpty(info.ProgramId))
             {
-                dto.ProgramId = GetInternalProgramId(info.ProgramId).ToString("N");
+                dto.ProgramId = GetInternalProgramId(info.ProgramId).ToString("N", CultureInfo.InvariantCulture);
             }
 
             dto.DayPattern = info.Days == null ? null : GetDayPattern(info.Days.ToArray());
@@ -169,7 +170,7 @@ namespace Emby.Server.Implementations.LiveTv
                     try
                     {
                         dto.ParentThumbImageTag = _imageProcessor.GetImageCacheTag(librarySeries, image);
-                        dto.ParentThumbItemId = librarySeries.Id.ToString("N");
+                        dto.ParentThumbItemId = librarySeries.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -185,7 +186,7 @@ namespace Emby.Server.Implementations.LiveTv
                             {
                                 _imageProcessor.GetImageCacheTag(librarySeries, image)
                             };
-                        dto.ParentBackdropItemId = librarySeries.Id.ToString("N");
+                        dto.ParentBackdropItemId = librarySeries.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -213,7 +214,7 @@ namespace Emby.Server.Implementations.LiveTv
                     try
                     {
                         dto.ParentPrimaryImageTag = _imageProcessor.GetImageCacheTag(program, image);
-                        dto.ParentPrimaryImageItemId = program.Id.ToString("N");
+                        dto.ParentPrimaryImageItemId = program.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -232,7 +233,7 @@ namespace Emby.Server.Implementations.LiveTv
                         {
                                 _imageProcessor.GetImageCacheTag(program, image)
                         };
-                            dto.ParentBackdropItemId = program.Id.ToString("N");
+                            dto.ParentBackdropItemId = program.Id.ToString("N", CultureInfo.InvariantCulture);
                         }
                         catch (Exception ex)
                         {
@@ -263,7 +264,7 @@ namespace Emby.Server.Implementations.LiveTv
                     try
                     {
                         dto.ParentThumbImageTag = _imageProcessor.GetImageCacheTag(librarySeries, image);
-                        dto.ParentThumbItemId = librarySeries.Id.ToString("N");
+                        dto.ParentThumbItemId = librarySeries.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -279,7 +280,7 @@ namespace Emby.Server.Implementations.LiveTv
                             {
                                 _imageProcessor.GetImageCacheTag(librarySeries, image)
                             };
-                        dto.ParentBackdropItemId = librarySeries.Id.ToString("N");
+                        dto.ParentBackdropItemId = librarySeries.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -320,7 +321,7 @@ namespace Emby.Server.Implementations.LiveTv
                     try
                     {
                         dto.ParentPrimaryImageTag = _imageProcessor.GetImageCacheTag(program, image);
-                        dto.ParentPrimaryImageItemId = program.Id.ToString("N");
+                        dto.ParentPrimaryImageItemId = program.Id.ToString("N", CultureInfo.InvariantCulture);
                     }
                     catch (Exception ex)
                     {
@@ -339,7 +340,7 @@ namespace Emby.Server.Implementations.LiveTv
                             {
                                     _imageProcessor.GetImageCacheTag(program, image)
                             };
-                            dto.ParentBackdropItemId = program.Id.ToString("N");
+                            dto.ParentBackdropItemId = program.Id.ToString("N", CultureInfo.InvariantCulture);
                         }
                         catch (Exception ex)
                         {
@@ -407,7 +408,7 @@ namespace Emby.Server.Implementations.LiveTv
         {
             var name = ServiceName + externalId + InternalVersionNumber;
 
-            return name.ToLowerInvariant().GetMD5().ToString("N");
+            return name.ToLowerInvariant().GetMD5().ToString("N", CultureInfo.InvariantCulture);
         }
 
         public Guid GetInternalSeriesTimerId(string externalId)

Emby.Server.Implementations/LiveTv/LiveTvManager.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -258,7 +259,7 @@ namespace Emby.Server.Implementations.LiveTv
             }
             info.RequiresClosing = true;
 
-            var idPrefix = service.GetType().FullName.GetMD5().ToString("N") + "_";
+            var idPrefix = service.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture) + "_";
 
             info.LiveStreamId = idPrefix + info.Id;
 
@@ -820,7 +821,7 @@ namespace Emby.Server.Implementations.LiveTv
             if (!string.IsNullOrWhiteSpace(query.SeriesTimerId))
             {
                 var seriesTimers = await GetSeriesTimersInternal(new SeriesTimerQuery { }, cancellationToken).ConfigureAwait(false);
-                var seriesTimer = seriesTimers.Items.FirstOrDefault(i => string.Equals(_tvDtoService.GetInternalSeriesTimerId(i.Id).ToString("N"), query.SeriesTimerId, StringComparison.OrdinalIgnoreCase));
+                var seriesTimer = seriesTimers.Items.FirstOrDefault(i => string.Equals(_tvDtoService.GetInternalSeriesTimerId(i.Id).ToString("N", CultureInfo.InvariantCulture), query.SeriesTimerId, StringComparison.OrdinalIgnoreCase));
                 if (seriesTimer != null)
                 {
                     internalQuery.ExternalSeriesId = seriesTimer.SeriesId;
@@ -997,7 +998,7 @@ namespace Emby.Server.Implementations.LiveTv
                     if (!string.IsNullOrEmpty(timer.SeriesTimerId))
                     {
                         program.SeriesTimerId = _tvDtoService.GetInternalSeriesTimerId(timer.SeriesTimerId)
-                            .ToString("N");
+                            .ToString("N", CultureInfo.InvariantCulture);
 
                         foundSeriesTimer = true;
                     }
@@ -1018,7 +1019,7 @@ namespace Emby.Server.Implementations.LiveTv
                 if (seriesTimer != null)
                 {
                     program.SeriesTimerId = _tvDtoService.GetInternalSeriesTimerId(seriesTimer.Id)
-                        .ToString("N");
+                        .ToString("N", CultureInfo.InvariantCulture);
                 }
             }
         }
@@ -1472,7 +1473,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             dto.SeriesTimerId = string.IsNullOrEmpty(info.SeriesTimerId)
                 ? null
-                : _tvDtoService.GetInternalSeriesTimerId(info.SeriesTimerId).ToString("N");
+                : _tvDtoService.GetInternalSeriesTimerId(info.SeriesTimerId).ToString("N", CultureInfo.InvariantCulture);
 
             dto.TimerId = string.IsNullOrEmpty(info.Id)
                 ? null
@@ -2027,7 +2028,7 @@ namespace Emby.Server.Implementations.LiveTv
             info.StartDate = program.StartDate;
             info.Name = program.Name;
             info.Overview = program.Overview;
-            info.ProgramId = programDto.Id.ToString("N");
+            info.ProgramId = programDto.Id.ToString("N", CultureInfo.InvariantCulture);
             info.ExternalProgramId = program.ExternalId;
 
             if (program.EndDate.HasValue)
@@ -2088,7 +2089,7 @@ namespace Emby.Server.Implementations.LiveTv
             if (service is ISupportsNewTimerIds supportsNewTimerIds)
             {
                 newTimerId = await supportsNewTimerIds.CreateSeriesTimer(info, cancellationToken).ConfigureAwait(false);
-                newTimerId = _tvDtoService.GetInternalSeriesTimerId(newTimerId).ToString("N");
+                newTimerId = _tvDtoService.GetInternalSeriesTimerId(newTimerId).ToString("N", CultureInfo.InvariantCulture);
             }
             else
             {
@@ -2192,7 +2193,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             info.EnabledUsers = _userManager.Users
                 .Where(IsLiveTvEnabled)
-                .Select(i => i.Id.ToString("N"))
+                .Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
                 .ToArray();
 
             return info;
@@ -2219,7 +2220,7 @@ namespace Emby.Server.Implementations.LiveTv
         {
             var parts = id.Split(new[] { '_' }, 2);
 
-            var service = _services.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N"), parts[0], StringComparison.OrdinalIgnoreCase));
+            var service = _services.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture), parts[0], StringComparison.OrdinalIgnoreCase));
 
             if (service == null)
             {
@@ -2269,7 +2270,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (index == -1 || string.IsNullOrWhiteSpace(info.Id))
             {
-                info.Id = Guid.NewGuid().ToString("N");
+                info.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
                 list.Add(info);
                 config.TunerHosts = list.ToArray();
             }
@@ -2312,7 +2313,7 @@ namespace Emby.Server.Implementations.LiveTv
 
             if (index == -1 || string.IsNullOrWhiteSpace(info.Id))
             {
-                info.Id = Guid.NewGuid().ToString("N");
+                info.Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
                 list.Add(info);
                 config.ListingProviders = list.ToArray();
             }

Emby.Server.Implementations/LiveTv/LiveTvMediaSourceProvider.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -101,7 +102,7 @@ namespace Emby.Server.Implementations.LiveTv
                 {
                     var openKeys = new List<string>();
                     openKeys.Add(item.GetType().Name);
-                    openKeys.Add(item.Id.ToString("N"));
+                    openKeys.Add(item.Id.ToString("N", CultureInfo.InvariantCulture));
                     openKeys.Add(source.Id ?? string.Empty);
                     source.OpenToken = string.Join(StreamIdDelimeterString, openKeys.ToArray());
                 }

Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Net;
@@ -460,7 +461,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             {
                 id = "native";
             }
-            id += "_" + channelId.GetMD5().ToString("N") + "_" + url.GetMD5().ToString("N");
+            id += "_" + channelId.GetMD5().ToString("N", CultureInfo.InvariantCulture) + "_" + url.GetMD5().ToString("N", CultureInfo.InvariantCulture);
 
             var mediaSource = new MediaSourceInfo
             {

Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -42,7 +43,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             MediaSource = mediaSource;
             Logger = logger;
             EnableStreamSharing = true;
-            UniqueId = Guid.NewGuid().ToString("N");
+            UniqueId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
             if (tuner != null)
             {

Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -43,7 +44,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         private string GetFullChannelIdPrefix(TunerHostInfo info)
         {
-            return ChannelIdPrefix + info.Url.GetMD5().ToString("N");
+            return ChannelIdPrefix + info.Url.GetMD5().ToString("N", CultureInfo.InvariantCulture);
         }
 
         protected override async Task<List<ChannelInfo>> GetChannelsInternal(TunerHostInfo info, CancellationToken cancellationToken)
@@ -61,7 +62,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                 Name = Name,
                 SourceType = Type,
                 Status = LiveTvTunerStatus.Available,
-                Id = i.Url.GetMD5().ToString("N"),
+                Id = i.Url.GetMD5().ToString("N", CultureInfo.InvariantCulture),
                 Url = i.Url
             })
             .ToList();
@@ -173,7 +174,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
                 ReadAtNativeFramerate = false,
 
-                Id = channel.Path.GetMD5().ToString("N"),
+                Id = channel.Path.GetMD5().ToString("N", CultureInfo.InvariantCulture),
                 IsInfiniteStream = true,
                 IsRemote = isRemote,
 

Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs

@@ -92,11 +92,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                     var channel = GetChannelnfo(extInf, tunerHostId, line);
                     if (string.IsNullOrWhiteSpace(channel.Id))
                     {
-                        channel.Id = channelIdPrefix + line.GetMD5().ToString("N");
+                        channel.Id = channelIdPrefix + line.GetMD5().ToString("N", CultureInfo.InvariantCulture);
                     }
                     else
                     {
-                        channel.Id = channelIdPrefix + channel.Id.GetMD5().ToString("N");
+                        channel.Id = channelIdPrefix + channel.Id.GetMD5().ToString("N", CultureInfo.InvariantCulture);
                     }
 
                     channel.Path = line;

Emby.Server.Implementations/Playlists/PlaylistManager.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -129,7 +130,7 @@ namespace Emby.Server.Implementations.Playlists
                     {
                         new Share
                         {
-                            UserId = options.UserId.Equals(Guid.Empty) ? null : options.UserId.ToString("N"),
+                            UserId = options.UserId.Equals(Guid.Empty) ? null : options.UserId.ToString("N", CultureInfo.InvariantCulture),
                             CanEdit = true
                         }
                     }
@@ -144,7 +145,7 @@ namespace Emby.Server.Implementations.Playlists
 
                 if (options.ItemIdList.Length > 0)
                 {
-                    AddToPlaylistInternal(playlist.Id.ToString("N"), options.ItemIdList, user, new DtoOptions(false)
+                    AddToPlaylistInternal(playlist.Id.ToString("N", CultureInfo.InvariantCulture), options.ItemIdList, user, new DtoOptions(false)
                     {
                         EnableImages = true
                     });
@@ -152,7 +153,7 @@ namespace Emby.Server.Implementations.Playlists
 
                 return new PlaylistCreationResult
                 {
-                    Id = playlist.Id.ToString("N")
+                    Id = playlist.Id.ToString("N", CultureInfo.InvariantCulture)
                 };
             }
             finally

Emby.Server.Implementations/ScheduledTasks/ScheduledTaskWorker.cs

@@ -1,5 +1,5 @@
 using System;
-using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -287,7 +287,7 @@ namespace Emby.Server.Implementations.ScheduledTasks
             {
                 if (_id == null)
                 {
-                    _id = ScheduledTask.GetType().FullName.GetMD5().ToString("N");
+                    _id = ScheduledTask.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture);
                 }
 
                 return _id;

Emby.Server.Implementations/Security/AuthenticationRepository.cs

@@ -174,7 +174,7 @@ namespace Emby.Server.Implementations.Security
 
             if (!query.UserId.Equals(Guid.Empty))
             {
-                statement.TryBind("@UserId", query.UserId.ToString("N"));
+                statement.TryBind("@UserId", query.UserId.ToString("N", CultureInfo.InvariantCulture));
             }
 
             if (!string.IsNullOrEmpty(query.DeviceId))

Emby.Server.Implementations/Serialization/JsonSerializer.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.IO;
 using System.Threading.Tasks;
 using MediaBrowser.Model.IO;
@@ -245,7 +246,7 @@ namespace Emby.Server.Implementations.Serialization
                 return null;
             }
 
-            return guid.ToString("N");
+            return guid.ToString("N", CultureInfo.InvariantCulture);
         }
 
         /// <summary>

Emby.Server.Implementations/Session/HttpSessionController.cs

@@ -62,7 +62,7 @@ namespace Emby.Server.Implementations.Session
         {
             var dict = new Dictionary<string, string>();
 
-            dict["ItemIds"] = string.Join(",", command.ItemIds.Select(i => i.ToString("N")).ToArray());
+            dict["ItemIds"] = string.Join(",", command.ItemIds.Select(i => i.ToString("N", CultureInfo.InvariantCulture)).ToArray());
 
             if (command.StartPositionTicks.HasValue)
             {

Emby.Server.Implementations/Session/SessionManager.cs

@@ -327,7 +327,7 @@ namespace Emby.Server.Implementations.Session
         {
             if (string.IsNullOrEmpty(info.MediaSourceId))
             {
-                info.MediaSourceId = info.ItemId.ToString("N");
+                info.MediaSourceId = info.ItemId.ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (!info.ItemId.Equals(Guid.Empty) && info.Item == null && libraryItem != null)
@@ -463,7 +463,7 @@ namespace Emby.Server.Implementations.Session
                 Client = appName,
                 DeviceId = deviceId,
                 ApplicationVersion = appVersion,
-                Id = key.GetMD5().ToString("N"),
+                Id = key.GetMD5().ToString("N", CultureInfo.InvariantCulture),
                 ServerId = _appHost.SystemId
             };
 
@@ -845,7 +845,7 @@ namespace Emby.Server.Implementations.Session
             // Normalize
             if (string.IsNullOrEmpty(info.MediaSourceId))
             {
-                info.MediaSourceId = info.ItemId.ToString("N");
+                info.MediaSourceId = info.ItemId.ToString("N", CultureInfo.InvariantCulture);
             }
 
             if (!info.ItemId.Equals(Guid.Empty) && info.Item == null && libraryItem != null)
@@ -1029,7 +1029,7 @@ namespace Emby.Server.Implementations.Session
         private static async Task SendMessageToSession<T>(SessionInfo session, string name, T data, CancellationToken cancellationToken)
         {
             var controllers = session.SessionControllers.ToArray();
-            var messageId = Guid.NewGuid().ToString("N");
+            var messageId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
 
             foreach (var controller in controllers)
             {
@@ -1234,7 +1234,7 @@ namespace Emby.Server.Implementations.Session
                 AssertCanControl(session, controllingSession);
                 if (!controllingSession.UserId.Equals(Guid.Empty))
                 {
-                    command.ControllingUserId = controllingSession.UserId.ToString("N");
+                    command.ControllingUserId = controllingSession.UserId.ToString("N", CultureInfo.InvariantCulture);
                 }
             }
 
@@ -1484,7 +1484,7 @@ namespace Emby.Server.Implementations.Session
                 DeviceId = deviceId,
                 DeviceName = deviceName,
                 UserId = user.Id,
-                AccessToken = Guid.NewGuid().ToString("N"),
+                AccessToken = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture),
                 UserName = user.Name
             };
 
@@ -1822,6 +1822,7 @@ namespace Emby.Server.Implementations.Session
             CheckDisposed();
 
             var sessions = Sessions.Where(i => string.Equals(i.DeviceId, deviceId, StringComparison.OrdinalIgnoreCase));
+
             return SendMessageToSessions(sessions, name, data, cancellationToken);
         }
 
@@ -1831,6 +1832,7 @@ namespace Emby.Server.Implementations.Session
 
             var sessions = Sessions
                 .Where(i => string.Equals(i.DeviceId, deviceId, StringComparison.OrdinalIgnoreCase) || IsAdminSession(i));
+
             return SendMessageToSessions(sessions, name, data, cancellationToken);
         }
 

Emby.Server.Implementations/TV/TVSeriesManager.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Dto;
@@ -73,7 +74,7 @@ namespace Emby.Server.Implementations.TV
             {
                 parents = _libraryManager.GetUserRootFolder().GetChildren(user, true)
                    .Where(i => i is Folder)
-                   .Where(i => !user.Configuration.LatestItemsExcludes.Contains(i.Id.ToString("N")))
+                   .Where(i => !user.Configuration.LatestItemsExcludes.Contains(i.Id.ToString("N", CultureInfo.InvariantCulture)))
                    .ToArray();
             }
 

MediaBrowser.Api/Images/ImageService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -537,7 +538,7 @@ namespace MediaBrowser.Api.Images
 
                 if (item == null)
                 {
-                    throw new ResourceNotFoundException(string.Format("Item {0} not found.", itemId.ToString("N")));
+                    throw new ResourceNotFoundException(string.Format("Item {0} not found.", itemId.ToString("N", CultureInfo.InvariantCulture)));
                 }
             }
 

MediaBrowser.Api/Library/LibraryStructureService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -272,7 +273,7 @@ namespace MediaBrowser.Api.Library
                 // Changing capitalization. Handle windows case insensitivity
                 if (string.Equals(currentPath, newPath, StringComparison.OrdinalIgnoreCase))
                 {
-                    var tempPath = Path.Combine(rootFolderPath, Guid.NewGuid().ToString("N"));
+                    var tempPath = Path.Combine(rootFolderPath, Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture));
                     Directory.Move(currentPath, tempPath);
                     currentPath = tempPath;
                 }

MediaBrowser.Api/Movies/MoviesService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Configuration;
@@ -11,7 +12,6 @@ using MediaBrowser.Controller.LiveTv;
 using MediaBrowser.Controller.Net;
 using MediaBrowser.Model.Dto;
 using MediaBrowser.Model.Entities;
-using MediaBrowser.Model.Extensions;
 using MediaBrowser.Model.Querying;
 using MediaBrowser.Model.Services;
 
@@ -268,7 +268,7 @@ namespace MediaBrowser.Api.Movies
                     EnableGroupByMetadataKey = true,
                     DtoOptions = dtoOptions
 
-                }).GroupBy(i => i.GetProviderId(MetadataProviders.Imdb) ?? Guid.NewGuid().ToString("N"))
+                }).GroupBy(i => i.GetProviderId(MetadataProviders.Imdb) ?? Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture))
                 .Select(x => x.First())
                 .Take(itemLimit)
                 .ToList();
@@ -309,7 +309,7 @@ namespace MediaBrowser.Api.Movies
                     EnableGroupByMetadataKey = true,
                     DtoOptions = dtoOptions
 
-                }).GroupBy(i => i.GetProviderId(MetadataProviders.Imdb) ?? Guid.NewGuid().ToString("N"))
+                }).GroupBy(i => i.GetProviderId(MetadataProviders.Imdb) ?? Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture))
                 .Select(x => x.First())
                 .Take(itemLimit)
                 .ToList();

MediaBrowser.Api/Playback/BaseStreamingService.cs

@@ -142,7 +142,7 @@ namespace MediaBrowser.Api.Playback
             data += "-" + (state.Request.DeviceId ?? string.Empty)
                  + "-" + (state.Request.PlaySessionId ?? string.Empty);
 
-            var filename = data.GetMD5().ToString("N");
+            var filename = data.GetMD5().ToString("N", CultureInfo.InvariantCulture);
             var ext = outputFileExtension.ToLowerInvariant();
             var folder = ServerConfigurationManager.ApplicationPaths.TranscodingTempPath;
 
@@ -215,6 +215,12 @@ namespace MediaBrowser.Api.Playback
 
             var encodingOptions = ApiEntryPoint.Instance.GetEncodingOptions();
 
+<<<<<<< HEAD
+=======
+            var transcodingId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
+            var commandLineArgs = GetCommandLineArguments(outputPath, encodingOptions, state, true);
+
+>>>>>>> Use CultureInvariant string conversion for Guids
             var process = new Process()
             {
                 StartInfo = new ProcessStartInfo()

MediaBrowser.Api/Playback/MediaInfoService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -306,7 +307,7 @@ namespace MediaBrowser.Api.Playback
             {
                 result.MediaSources = Clone(result.MediaSources);
 
-                result.PlaySessionId = Guid.NewGuid().ToString("N");
+                result.PlaySessionId = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
             }
 
             return result;

MediaBrowser.Api/SearchService.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Dto;
@@ -305,7 +306,7 @@ namespace MediaBrowser.Api
                 if (tag != null)
                 {
                     hint.ThumbImageTag = tag;
-                    hint.ThumbImageItemId = itemWithImage.Id.ToString("N");
+                    hint.ThumbImageItemId = itemWithImage.Id.ToString("N", CultureInfo.InvariantCulture);
                 }
             }
         }
@@ -326,7 +327,7 @@ namespace MediaBrowser.Api
                 if (tag != null)
                 {
                     hint.BackdropImageTag = tag;
-                    hint.BackdropImageItemId = itemWithImage.Id.ToString("N");
+                    hint.BackdropImageItemId = itemWithImage.Id.ToString("N", CultureInfo.InvariantCulture);
                 }
             }
         }

MediaBrowser.Api/Session/SessionsService.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -316,7 +317,7 @@ namespace MediaBrowser.Api.Session
             _authRepo.Create(new AuthenticationInfo
             {
                 AppName = request.App,
-                AccessToken = Guid.NewGuid().ToString("N"),
+                AccessToken = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture),
                 DateCreated = DateTime.UtcNow,
                 DeviceId = _appHost.SystemId,
                 DeviceName = _appHost.FriendlyName,

MediaBrowser.Api/Subtitles/SubtitleService.cs

@@ -168,7 +168,7 @@ namespace MediaBrowser.Api.Subtitles
             builder.AppendLine("#EXT-X-MEDIA-SEQUENCE:0");
             builder.AppendLine("#EXT-X-PLAYLIST-TYPE:VOD");
 
-            long positionTicks = 0; 
+            long positionTicks = 0;
 
             var accessToken = _authContext.GetAuthorizationInfo(Request).Token;
 
@@ -206,7 +206,7 @@ namespace MediaBrowser.Api.Subtitles
             {
                 var item = (Video)_libraryManager.GetItemById(request.Id);
 
-                var idString = request.Id.ToString("N");
+                var idString = request.Id.ToString("N", CultureInfo.InvariantCulture);
                 var mediaSource = _mediaSourceManager.GetStaticMediaSources(item, false, null)
                     .First(i => string.Equals(i.Id, request.MediaSourceId ?? idString));
 

MediaBrowser.Api/TvShowsService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Dto;
@@ -470,7 +471,7 @@ namespace MediaBrowser.Api
 
             if (!string.IsNullOrWhiteSpace(request.StartItemId))
             {
-                episodes = episodes.SkipWhile(i => !string.Equals(i.Id.ToString("N"), request.StartItemId, StringComparison.OrdinalIgnoreCase)).ToList();
+                episodes = episodes.SkipWhile(i => !string.Equals(i.Id.ToString("N", CultureInfo.InvariantCulture), request.StartItemId, StringComparison.OrdinalIgnoreCase)).ToList();
             }
 
             // This must be the last filter

MediaBrowser.Api/UserLibrary/ItemsService.cs

@@ -99,7 +99,7 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 ancestorIds = _libraryManager.GetUserRootFolder().GetChildren(user, true)
                     .Where(i => i is Folder)
-                    .Where(i => !excludeFolderIds.Contains(i.Id.ToString("N")))
+                    .Where(i => !excludeFolderIds.Contains(i.Id.ToString("N", CultureInfo.InvariantCulture)))
                     .Select(i => i.Id)
                     .ToArray();
             }

MediaBrowser.Api/UserLibrary/UserViewsService.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using MediaBrowser.Controller.Dto;
 using MediaBrowser.Controller.Entities;
@@ -116,7 +117,7 @@ namespace MediaBrowser.Api.UserLibrary
                 .Select(i => new SpecialViewOption
                 {
                     Name = i.Name,
-                    Id = i.Id.ToString("N")
+                    Id = i.Id.ToString("N", CultureInfo.InvariantCulture)
 
                 })
             .OrderBy(i => i.Name)

MediaBrowser.Api/VideosService.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using MediaBrowser.Controller.Configuration;
@@ -168,7 +169,7 @@ namespace MediaBrowser.Api
 
             foreach (var item in items.Where(i => i.Id != primaryVersion.Id))
             {
-                item.SetPrimaryVersionId(primaryVersion.Id.ToString("N"));
+                item.SetPrimaryVersionId(primaryVersion.Id.ToString("N", CultureInfo.InvariantCulture));
 
                 item.UpdateToRepository(ItemUpdateType.MetadataEdit, CancellationToken.None);
 

MediaBrowser.Controller/Channels/Channel.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using MediaBrowser.Common.Progress;
@@ -14,14 +15,14 @@ namespace MediaBrowser.Controller.Channels
         {
             if (user.Policy.BlockedChannels != null)
             {
-                if (user.Policy.BlockedChannels.Contains(Id.ToString("N"), StringComparer.OrdinalIgnoreCase))
+                if (user.Policy.BlockedChannels.Contains(Id.ToString("N", CultureInfo.InvariantCulture), StringComparer.OrdinalIgnoreCase))
                 {
                     return false;
                 }
             }
             else
             {
-                if (!user.Policy.EnableAllChannels && !user.Policy.EnabledChannels.Contains(Id.ToString("N"), StringComparer.OrdinalIgnoreCase))
+                if (!user.Policy.EnableAllChannels && !user.Policy.EnabledChannels.Contains(Id.ToString("N", CultureInfo.InvariantCulture), StringComparer.OrdinalIgnoreCase))
                 {
                     return false;
                 }
@@ -60,7 +61,7 @@ namespace MediaBrowser.Controller.Channels
 
         public static string GetInternalMetadataPath(string basePath, Guid id)
         {
-            return System.IO.Path.Combine(basePath, "channels", id.ToString("N"), "metadata");
+            return System.IO.Path.Combine(basePath, "channels", id.ToString("N", CultureInfo.InvariantCulture), "metadata");
         }
 
         public override bool CanDelete()

MediaBrowser.Controller/Entities/BaseItem.cs

@@ -503,7 +503,7 @@ namespace MediaBrowser.Controller.Entities
 
                 foreach (var folder in collectionFolders)
                 {
-                    if (allowed.Contains(folder.Id.ToString("N"), StringComparer.OrdinalIgnoreCase))
+                    if (allowed.Contains(folder.Id.ToString("N", CultureInfo.InvariantCulture), StringComparer.OrdinalIgnoreCase))
                     {
                         return true;
                     }
@@ -664,10 +664,10 @@ namespace MediaBrowser.Controller.Entities
         {
             if (SourceType == SourceType.Channel)
             {
-                return System.IO.Path.Combine(basePath, "channels", ChannelId.ToString("N"), Id.ToString("N"));
+                return System.IO.Path.Combine(basePath, "channels", ChannelId.ToString("N", CultureInfo.InvariantCulture), Id.ToString("N", CultureInfo.InvariantCulture));
             }
 
-            var idString = Id.ToString("N");
+            var idString = Id.ToString("N", CultureInfo.InvariantCulture);
 
             basePath = System.IO.Path.Combine(basePath, "library");
 
@@ -1095,7 +1095,7 @@ namespace MediaBrowser.Controller.Entities
 
             var info = new MediaSourceInfo
             {
-                Id = item.Id.ToString("N"),
+                Id = item.Id.ToString("N", CultureInfo.InvariantCulture),
                 Protocol = protocol ?? MediaProtocol.File,
                 MediaStreams = MediaSourceManager.GetMediaStreams(item.Id),
                 Name = GetMediaSourceName(item),
@@ -1113,7 +1113,7 @@ namespace MediaBrowser.Controller.Entities
 
             if (info.Protocol == MediaProtocol.File)
             {
-                info.ETag = item.DateModified.Ticks.ToString(CultureInfo.InvariantCulture).GetMD5().ToString("N");
+                info.ETag = item.DateModified.Ticks.ToString(CultureInfo.InvariantCulture).GetMD5().ToString("N", CultureInfo.InvariantCulture);
             }
 
             var video = item as Video;
@@ -1626,7 +1626,7 @@ namespace MediaBrowser.Controller.Entities
 
         public virtual string CreatePresentationUniqueKey()
         {
-            return Id.ToString("N");
+            return Id.ToString("N", CultureInfo.InvariantCulture);
         }
 
         [IgnoreDataMember]
@@ -2736,7 +2736,7 @@ namespace MediaBrowser.Controller.Entities
         {
             var list = GetEtagValues(user);
 
-            return string.Join("|", list.ToArray()).GetMD5().ToString("N");
+            return string.Join("|", list.ToArray()).GetMD5().ToString("N", CultureInfo.InvariantCulture);
         }
 
         protected virtual List<string> GetEtagValues(User user)

MediaBrowser.Controller/Entities/Folder.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -177,7 +178,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 if (user.Policy.BlockedMediaFolders != null)
                 {
-                    if (user.Policy.BlockedMediaFolders.Contains(Id.ToString("N"), StringComparer.OrdinalIgnoreCase) ||
+                    if (user.Policy.BlockedMediaFolders.Contains(Id.ToString("N", CultureInfo.InvariantCulture), StringComparer.OrdinalIgnoreCase) ||
 
                         // Backwards compatibility
                         user.Policy.BlockedMediaFolders.Contains(Name, StringComparer.OrdinalIgnoreCase))
@@ -187,7 +188,7 @@ namespace MediaBrowser.Controller.Entities
                 }
                 else
                 {
-                    if (!user.Policy.EnableAllFolders && !user.Policy.EnabledFolders.Contains(Id.ToString("N"), StringComparer.OrdinalIgnoreCase))
+                    if (!user.Policy.EnableAllFolders && !user.Policy.EnabledFolders.Contains(Id.ToString("N", CultureInfo.InvariantCulture), StringComparer.OrdinalIgnoreCase))
                     {
                         return false;
                     }

MediaBrowser.Controller/Entities/LinkedChild.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
 
@@ -29,7 +30,7 @@ namespace MediaBrowser.Controller.Entities
 
             if (string.IsNullOrEmpty(child.Path))
             {
-                child.LibraryItemId = item.Id.ToString("N");
+                child.LibraryItemId = item.Id.ToString("N", CultureInfo.InvariantCulture);
             }
 
             return child;
@@ -37,7 +38,7 @@ namespace MediaBrowser.Controller.Entities
 
         public LinkedChild()
         {
-            Id = Guid.NewGuid().ToString("N");
+            Id = Guid.NewGuid().ToString("N", CultureInfo.InvariantCulture);
         }
     }
 

MediaBrowser.Controller/Entities/TV/Series.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -91,7 +92,7 @@ namespace MediaBrowser.Controller.Entities.TV
             }
 
             var folders = LibraryManager.GetCollectionFolders(this)
-                .Select(i => i.Id.ToString("N"))
+                .Select(i => i.Id.ToString("N", CultureInfo.InvariantCulture))
                 .ToArray();
 
             if (folders.Length == 0)

MediaBrowser.Controller/Entities/User.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Globalization;
 using System.IO;
 using System.Threading;
 using System.Threading.Tasks;
@@ -230,7 +231,7 @@ namespace MediaBrowser.Controller.Entities
 
             // TODO: Remove idPath and just use usernamePath for future releases
             var usernamePath = System.IO.Path.Combine(parentPath, username);
-            var idPath = System.IO.Path.Combine(parentPath, Id.ToString("N"));
+            var idPath = System.IO.Path.Combine(parentPath, Id.ToString("N", CultureInfo.InvariantCulture));
             if (!Directory.Exists(usernamePath) && Directory.Exists(idPath))
             {
                 Directory.Move(idPath, usernamePath);

MediaBrowser.Controller/Entities/UserViewBuilder.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities.Movies;
@@ -987,7 +988,7 @@ namespace MediaBrowser.Controller.Entities
 
         private UserView GetUserViewWithName(string name, string type, string sortName, BaseItem parent)
         {
-            return _userViewManager.GetUserSubView(parent.Id, parent.Id.ToString("N"), type, sortName);
+            return _userViewManager.GetUserSubView(parent.Id, parent.Id.ToString("N", CultureInfo.InvariantCulture), type, sortName);
         }
 
         private UserView GetUserView(string type, string localizationKey, string sortName, BaseItem parent)

MediaBrowser.Controller/LiveTv/LiveTvChannel.cs

@@ -89,7 +89,7 @@ namespace MediaBrowser.Controller.LiveTv
 
             var info = new MediaSourceInfo
             {
-                Id = Id.ToString("N"),
+                Id = Id.ToString("N", CultureInfo.InvariantCulture),
                 Protocol = PathProtocol ?? MediaProtocol.File,
                 MediaStreams = new List<MediaStream>(),
                 Name = Name,
@@ -111,7 +111,7 @@ namespace MediaBrowser.Controller.LiveTv
 
         protected override string GetInternalMetadataPath(string basePath)
         {
-            return System.IO.Path.Combine(basePath, "livetv", Id.ToString("N"), "metadata");
+            return System.IO.Path.Combine(basePath, "livetv", Id.ToString("N", CultureInfo.InvariantCulture), "metadata");
         }
 
         public override bool CanDelete()

MediaBrowser.Controller/LiveTv/LiveTvProgram.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller.Entities;
@@ -188,7 +189,7 @@ namespace MediaBrowser.Controller.LiveTv
 
         protected override string GetInternalMetadataPath(string basePath)
         {
-            return System.IO.Path.Combine(basePath, "livetv", Id.ToString("N"));
+            return System.IO.Path.Combine(basePath, "livetv", Id.ToString("N", CultureInfo.InvariantCulture));
         }
 
         public override bool CanDelete()

MediaBrowser.Controller/Playlists/Playlist.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -239,7 +240,7 @@ namespace MediaBrowser.Controller.Playlists
                 return base.IsVisible(user);
             }
 
-            var userId = user.Id.ToString("N");
+            var userId = user.Id.ToString("N", CultureInfo.InvariantCulture);
             foreach (var share in shares)
             {
                 if (string.Equals(share.UserId, userId, StringComparison.OrdinalIgnoreCase))

MediaBrowser.Controller/Providers/MetadataResult.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using MediaBrowser.Controller.Entities;
 
 namespace MediaBrowser.Controller.Providers
@@ -55,7 +56,7 @@ namespace MediaBrowser.Controller.Providers
 
             foreach (var i in UserDataList)
             {
-                if (string.Equals(userId, i.UserId.ToString("N"), StringComparison.OrdinalIgnoreCase))
+                if (string.Equals(userId, i.UserId.ToString("N", CultureInfo.InvariantCulture), StringComparison.OrdinalIgnoreCase))
                 {
                     userData = i;
                 }

MediaBrowser.Providers/Manager/ProviderManager.cs

@@ -934,7 +934,7 @@ namespace MediaBrowser.Providers.Manager
 
         public void OnRefreshStart(BaseItem item)
         {
-            //_logger.LogInformation("OnRefreshStart {0}", item.Id.ToString("N"));
+            //_logger.LogInformation("OnRefreshStart {0}", item.Id.ToString("N", CultureInfo.InvariantCulture));
             var id = item.Id;
 
             lock (_activeRefreshes)
@@ -947,7 +947,7 @@ namespace MediaBrowser.Providers.Manager
 
         public void OnRefreshComplete(BaseItem item)
         {
-            //_logger.LogInformation("OnRefreshComplete {0}", item.Id.ToString("N"));
+            //_logger.LogInformation("OnRefreshComplete {0}", item.Id.ToString("N", CultureInfo.InvariantCulture));
             lock (_activeRefreshes)
             {
                 _activeRefreshes.Remove(item.Id);
@@ -971,7 +971,7 @@ namespace MediaBrowser.Providers.Manager
 
         public void OnRefreshProgress(BaseItem item, double progress)
         {
-            //_logger.LogInformation("OnRefreshProgress {0} {1}", item.Id.ToString("N"), progress);
+            //_logger.LogInformation("OnRefreshProgress {0} {1}", item.Id.ToString("N", CultureInfo.InvariantCulture), progress);
             var id = item.Id;
 
             lock (_activeRefreshes)
@@ -985,7 +985,7 @@ namespace MediaBrowser.Providers.Manager
                 else
                 {
                     // TODO: Need to hunt down the conditions for this happening
-                    //throw new Exception(string.Format("Refresh for item {0} {1} is not in progress", item.GetType().Name, item.Id.ToString("N")));
+                    //throw new Exception(string.Format("Refresh for item {0} {1} is not in progress", item.GetType().Name, item.Id.ToString("N", CultureInfo.InvariantCulture)));
                 }
             }
         }

MediaBrowser.Providers/MediaInfo/AudioImageProvider.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
@@ -99,11 +100,11 @@ namespace MediaBrowser.Providers.MediaInfo
 
                 if (!string.IsNullOrWhiteSpace(item.Album) && !string.IsNullOrWhiteSpace(albumArtist))
                 {
-                    filename = (item.Album + "-" + albumArtist).GetMD5().ToString("N");
+                    filename = (item.Album + "-" + albumArtist).GetMD5().ToString("N", CultureInfo.InvariantCulture);
                 }
                 else
                 {
-                    filename = item.Id.ToString("N");
+                    filename = item.Id.ToString("N", CultureInfo.InvariantCulture);
                 }
 
                 filename += ".jpg";
@@ -111,7 +112,7 @@ namespace MediaBrowser.Providers.MediaInfo
             else
             {
                 // If it's an audio book or audio podcast, allow unique image per item
-                filename = item.Id.ToString("N") + ".jpg";
+                filename = item.Id.ToString("N", CultureInfo.InvariantCulture) + ".jpg";
             }
 
             var prefix = filename.Substring(0, 1);

MediaBrowser.Providers/Subtitles/SubtitleManager.cs

@@ -1,12 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Extensions;
-using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Entities.Movies;
 using MediaBrowser.Controller.Entities.TV;
@@ -296,7 +295,7 @@ namespace MediaBrowser.Providers.Subtitles
 
         private string GetProviderId(string name)
         {
-            return name.ToLowerInvariant().GetMD5().ToString("N");
+            return name.ToLowerInvariant().GetMD5().ToString("N", CultureInfo.InvariantCulture);
         }
 
         private ISubtitleProvider GetProvider(string id)

jellyfin.ruleset

@@ -27,6 +27,10 @@
     <Rule Id="CA1031" Action="Info" />
     <!-- disable warning CA1062: Validate arguments of public methods -->
     <Rule Id="CA1062" Action="Info" />
+    <!-- disable warning CA1812: internal class that is apparently never instantiated.
+        If so, remove the code from the assembly.
+        If this class is intended to contain only static members, make it static -->
+    <Rule Id="CA1812" Action="Info" />
     <!-- disable warning CA1822: Member does not access instance data and can be marked as static -->
     <Rule Id="CA1822" Action="Info" />