Merge pull request #823 from Garulf/install-from-url

Detect URL and install using Plugin Manager

Flow.Launcher.Core/Plugin/PluginConfig.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.IO;
@@ -45,8 +45,56 @@ namespace Flow.Launcher.Core.Plugin
                     }
                 }
             }
- 
+
-            return allPluginMetadata;
+            (List<PluginMetadata> uniqueList, List<PluginMetadata> duplicateList) = GetUniqueLatestPluginMetadata(allPluginMetadata);
+
+            duplicateList
+                .ForEach(
+                    x => Log.Warn("PluginConfig",
+                                    string.Format("Duplicate plugin name: {0}, id: {1}, version: {2} " +
+                                                    "not loaded due to version not the highest of the duplicates",
+                                                    x.Name, x.ID, x.Version),
+                                                    "GetUniqueLatestPluginMetadata"));
+
+            return uniqueList;
+        }
+
+        internal static (List<PluginMetadata>, List<PluginMetadata>) GetUniqueLatestPluginMetadata(List<PluginMetadata> allPluginMetadata)
+        {
+            var duplicate_list = new List<PluginMetadata>();
+            var unique_list = new List<PluginMetadata>();
+
+            var duplicateGroups = allPluginMetadata.GroupBy(x => x.ID).Where(g => g.Count() > 1).Select(y => y).ToList();
+
+            foreach (var metadata in allPluginMetadata)
+            {
+                var duplicatesExist = false;
+                foreach (var group in duplicateGroups)
+                {
+                    if (metadata.ID == group.Key)
+                    {
+                        duplicatesExist = true;
+
+                        // If metadata's version greater than each duplicate's version, CompareTo > 0
+                        var count = group.Where(x => metadata.Version.CompareTo(x.Version) > 0).Count();
+                        
+                        // Only add if the meatadata's version is the highest of all duplicates in the group
+                        if (count == group.Count() - 1)
+                        {
+                            unique_list.Add(metadata);
+                        }
+                        else
+                        {
+                            duplicate_list.Add(metadata);
+                        }
+                    }
+                }
+                
+                if (!duplicatesExist)
+                    unique_list.Add(metadata);
+            }
+
+            return (unique_list, duplicate_list);
         }
 
         private static PluginMetadata GetPluginMetadata(string pluginDirectory)

Flow.Launcher.Test/PluginLoadTest.cs

@@ -0,0 +1,92 @@
+using NUnit.Framework;
+using Flow.Launcher.Core.Plugin;
+using Flow.Launcher.Plugin;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Flow.Launcher.Test
+{
+    [TestFixture]
+    class PluginLoadTest
+    {
+        [Test]
+        public void GivenDuplicatePluginMetadatasWhenLoadedThenShouldReturnOnlyUniqueList()
+        {
+            // Given
+            var duplicateList = new List<PluginMetadata>
+            {
+                new PluginMetadata
+                {
+                    ID = "CEA0TYUC6D3B4085823D60DC76F28855",
+                    Version = "1.0.0"
+                },
+                new PluginMetadata
+                {
+                    ID = "CEA0TYUC6D3B4085823D60DC76F28855",
+                    Version = "1.0.1"
+                },
+                new PluginMetadata
+                {
+                    ID = "CEA0TYUC6D3B4085823D60DC76F28855",
+                    Version = "1.0.2"
+                },
+                new PluginMetadata
+                {
+                    ID = "CEA0TYUC6D3B4085823D60DC76F28855",
+                    Version = "1.0.0"
+                },
+                new PluginMetadata
+                {
+                    ID = "CEA0TYUC6D3B4085823D60DC76F28855",
+                    Version = "1.0.0"
+                },
+                new PluginMetadata
+                {
+                    ID = "ABC0TYUC6D3B7855823D60DC76F28855",
+                    Version = "1.0.0"
+                },
+                new PluginMetadata
+                {
+                    ID = "ABC0TYUC6D3B7855823D60DC76F28855",
+                    Version = "1.0.0"
+                }
+            };
+
+            // When
+            (var unique, var duplicates) = PluginConfig.GetUniqueLatestPluginMetadata(duplicateList);
+            
+            // Then
+            Assert.True(unique.FirstOrDefault().ID == "CEA0TYUC6D3B4085823D60DC76F28855" && unique.FirstOrDefault().Version == "1.0.2");
+            Assert.True(unique.Count() == 1);
+
+            Assert.False(duplicates.Any(x => x.Version == "1.0.2" && x.ID == "CEA0TYUC6D3B4085823D60DC76F28855"));
+            Assert.True(duplicates.Count() == 6);
+        }
+
+        [Test]
+        public void GivenDuplicatePluginMetadatasWithNoUniquePluginWhenLoadedThenShouldReturnEmptyList()
+        {
+            // Given
+            var duplicateList = new List<PluginMetadata>
+            {
+                new PluginMetadata
+                {
+                    ID = "CEA0TYUC6D3B7855823D60DC76F28855",
+                    Version = "1.0.0"
+                },
+                new PluginMetadata
+                {
+                    ID = "CEA0TYUC6D3B7855823D60DC76F28855",
+                    Version = "1.0.0"
+                }
+            };
+
+            // When
+            (var unique, var duplicates) = PluginConfig.GetUniqueLatestPluginMetadata(duplicateList);
+
+            // Then
+            Assert.True(unique.Count() == 0);
+            Assert.True(duplicates.Count() == 2);
+        }
+    }
+}

Flow.Launcher.Test/Plugins/PluginInitTest.cs

@@ -1,17 +0,0 @@
-using NUnit.Framework;
-using Flow.Launcher.Core.Plugin;
-using Flow.Launcher.Infrastructure.Exception;
-
-namespace Flow.Launcher.Test.Plugins
-{
-
-    [TestFixture]
-    public class PluginInitTest
-    {
-        [Test]
-        public void PublicAPIIsNullTest()
-        {
-            //Assert.Throws(typeof(Flow.LauncherFatalException), () => PluginManager.Initialize(null));
-        }
-    }
-}

Plugins/Flow.Launcher.Plugin.PluginsManager/Languages/en.xaml

@@ -4,13 +4,16 @@
 
     <!--Dialogues-->
     <system:String x:Key="plugin_pluginsmanager_downloading_plugin">Downloading plugin</system:String>
-    <system:String x:Key="plugin_pluginsmanager_please_wait">Please wait...</system:String>
     <system:String x:Key="plugin_pluginsmanager_download_success">Successfully downloaded</system:String>
+    <system:String x:Key="plugin_pluginsmanager_download_error">Error: Unable to download the plugin</system:String>
     <system:String x:Key="plugin_pluginsmanager_uninstall_prompt">{0} by {1} {2}{3}Would you like to uninstall this plugin? After the uninstallation Flow will automatically restart.</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_prompt">{0} by {1} {2}{3}Would you like to install this plugin? After the installation Flow will automatically restart.</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_title">Plugin Install</system:String>
+    <system:String x:Key="plugin_pluginsmanager_install_from_web">Download and install {0}</system:String>
     <system:String x:Key="plugin_pluginsmanager_uninstall_title">Plugin Uninstall</system:String>
-    <system:String x:Key="plugin_pluginsmanager_install_errormetadatafile">Install failed: unable to find the plugin.json metadata file from the new plugin</system:String>
+    <system:String x:Key="plugin_pluginsmanager_install_success_restart">Plugin successfully installed. Restarting Flow, please wait...</system:String>
+    <system:String x:Key="plugin_pluginsmanager_install_errormetadatafile">Unable to find the plugin.json metadata file from the extracted zip file.</system:String>
+    <system:String x:Key="plugin_pluginsmanager_install_error_duplicate">Error: A plugin which has the same or greater version with {0} already exists.</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_error_title">Error installing plugin</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_error_subtitle">Error occured while trying to install {0}</system:String>
     <system:String x:Key="plugin_pluginsmanager_update_noresult_title">No update available</system:String>
@@ -21,12 +24,15 @@
     <system:String x:Key="plugin_pluginsmanager_update_alreadyexists">This plugin is already installed</system:String>
     <system:String x:Key="plugin_pluginsmanager_update_failed_title">Plugin Manifest Download Failed</system:String>
     <system:String x:Key="plugin_pluginsmanager_update_failed_subtitle">Please check if you can connect to github.com. This error means you may not be able to install or update plugins.</system:String>
-    
+    <system:String x:Key="plugin_pluginsmanager_install_unknown_source_warning_title">Installing from an unknown source</system:String>
+    <system:String x:Key="plugin_pluginsmanager_install_unknown_source_warning">You are installing this plugin from an unknown source and it may contain potential risks!{0}{0}Please ensure you understand where this plugin is from and that it is safe.{0}{0}Would you like to continue still?{0}{0}(You can switch off this warning via settings)</system:String>
+
     <!--Controls-->
     
     <!--Plugin Infos-->
     <system:String x:Key="plugin_pluginsmanager_plugin_name">Plugins Manager</system:String>
     <system:String x:Key="plugin_pluginsmanager_plugin_description">Management of installing, uninstalling or updating Flow Launcher plugins</system:String>
+    <system:String x:Key="plugin_pluginsmanager_unknown_author">Unknown Author</system:String>
 
     <!--Context menu items-->
     <system:String x:Key="plugin_pluginsmanager_plugin_contextmenu_openwebsite_title">Open website</system:String>
@@ -36,6 +42,8 @@
     <system:String x:Key="plugin_pluginsmanager_plugin_contextmenu_newissue_title">Suggest an enhancement or submit an issue</system:String>
     <system:String x:Key="plugin_pluginsmanager_plugin_contextmenu_newissue_subtitle">Suggest an enhancement or submit an issue to the plugin developer</system:String>
     <system:String x:Key="plugin_pluginsmanager_plugin_contextmenu_pluginsmanifest_title">Go to Flow's plugins repository</system:String>
-    <system:String x:Key="plugin_pluginsmanager_plugin_contextmenu_pluginsmanifest_subtitle">Visit the PluginsManifest repository to see comunity-made plugin submissions</system:String>
+    <system:String x:Key="plugin_pluginsmanager_plugin_contextmenu_pluginsmanifest_subtitle">Visit the PluginsManifest repository to see community-made plugin submissions</system:String>
-    
+
+    <!--Settings menu items-->
+    <system:String x:Key="plugin_pluginsmanager_plugin_settings_unknown_source">Install from unknown source warning</system:String>
 </ResourceDictionary>

Plugins/Flow.Launcher.Plugin.PluginsManager/Languages/sk.xaml

@@ -4,7 +4,6 @@
 
     <!--Dialogues-->
     <system:String x:Key="plugin_pluginsmanager_downloading_plugin">Sťahovanie pluginu</system:String>
-    <system:String x:Key="plugin_pluginsmanager_please_wait">Čakajte, prosím…</system:String>
     <system:String x:Key="plugin_pluginsmanager_download_success">Úspešne stiahnuté</system:String>
     <system:String x:Key="plugin_pluginsmanager_uninstall_prompt">{0} od {1} {2}{3}Chcete odinštalovať tento plugin? Po odinštalovaní sa Flow automaticky reštartuje.</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_prompt">{0} by {1} {2}{3}Chcete nainštalovať tento plugin? Po nainštalovaní sa Flow automaticky reštartuje.</system:String>

Plugins/Flow.Launcher.Plugin.PluginsManager/Languages/zh-cn.xaml

@@ -4,7 +4,6 @@
 
     <!--Dialogues-->
     <system:String x:Key="plugin_pluginsmanager_downloading_plugin">下载插件</system:String>
-    <system:String x:Key="plugin_pluginsmanager_please_wait">请稍等...</system:String>
     <system:String x:Key="plugin_pluginsmanager_download_success">下载完成</system:String>
     <system:String x:Key="plugin_pluginsmanager_uninstall_prompt">{0} by {1} {2}{3} 您要卸载此插件吗？ 卸载后，Flow Launcher 将自动重启。</system:String>
     <system:String x:Key="plugin_pluginsmanager_install_prompt">{0} by {1} {2}{3} 您要安装此插件吗？ 安装后，Flow Launcher 将自动重启</system:String>

Plugins/Flow.Launcher.Plugin.PluginsManager/Main.cs

@@ -55,7 +55,7 @@ namespace Flow.Launcher.Plugin.PluginsManager
 
         public async Task<List<Result>> QueryAsync(Query query, CancellationToken token)
         {
-            var search = query.Search.ToLower();
+            var search = query.Search;
 
             if (string.IsNullOrWhiteSpace(search))
                 return pluginManager.GetDefaultHotKeys();
@@ -70,9 +70,13 @@ namespace Flow.Launcher.Plugin.PluginsManager
 
             return search switch
             {
-                var s when s.StartsWith(Settings.HotKeyInstall) => await pluginManager.RequestInstallOrUpdate(s, token),
+                //search could be url, no need ToLower() when passed in
-                var s when s.StartsWith(Settings.HotkeyUninstall) => pluginManager.RequestUninstall(s),
+                var s when s.StartsWith(Settings.HotKeyInstall, StringComparison.OrdinalIgnoreCase)
-                var s when s.StartsWith(Settings.HotkeyUpdate) => await pluginManager.RequestUpdate(s, token),
+                                => await pluginManager.RequestInstallOrUpdate(search, token),
+                var s when s.StartsWith(Settings.HotkeyUninstall, StringComparison.OrdinalIgnoreCase)
+                                => pluginManager.RequestUninstall(search),
+                var s when s.StartsWith(Settings.HotkeyUpdate, StringComparison.OrdinalIgnoreCase) 
+                                => await pluginManager.RequestUpdate(search, token),
                 _ => pluginManager.GetDefaultHotKeys().Where(hotkey =>
                 {
                     hotkey.Score = StringMatcher.FuzzySearch(search, hotkey.Title).Score;

Plugins/Flow.Launcher.Plugin.PluginsManager/PluginsManager.cs

@@ -9,6 +9,8 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Net.Http;
+using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
@@ -17,6 +19,8 @@ namespace Flow.Launcher.Plugin.PluginsManager
 {
     internal class PluginsManager
     {
+        const string zip = "zip";
+
         private PluginInitContext Context { get; set; }
 
         private Settings Settings { get; set; }
@@ -47,7 +51,6 @@ namespace Flow.Launcher.Plugin.PluginsManager
 
         private Task _downloadManifestTask = Task.CompletedTask;
 
-
         internal Task UpdateManifestAsync()
         {
             if (_downloadManifestTask.Status == TaskStatus.Running)
@@ -138,13 +141,15 @@ namespace Flow.Launcher.Plugin.PluginsManager
                 MessageBoxButton.YesNo) == MessageBoxResult.No)
                 return;
 
-            var filePath = Path.Combine(DataLocation.PluginsDirectory, $"{plugin.Name}-{plugin.Version}.zip");
+            // at minimum should provide a name, but handle plugin that is not downloaded from plugins manifest and is a url download
+            var downloadFilename = string.IsNullOrEmpty(plugin.Version)
+                                    ? $"{plugin.Name}-{Guid.NewGuid()}.zip" 
+                                    : $"{plugin.Name}-{plugin.Version}.zip";
+
+            var filePath = Path.Combine(DataLocation.PluginsDirectory, downloadFilename);
 
             try
             {
-                Context.API.ShowMsg(Context.API.GetTranslation("plugin_pluginsmanager_downloading_plugin"),
-                    Context.API.GetTranslation("plugin_pluginsmanager_please_wait"));
-
                 await Http.DownloadAsync(plugin.UrlDownload, filePath).ConfigureAwait(false);
 
                 Context.API.ShowMsg(Context.API.GetTranslation("plugin_pluginsmanager_downloading_plugin"),
@@ -154,7 +159,11 @@ namespace Flow.Launcher.Plugin.PluginsManager
             }
             catch (Exception e)
             {
-                Context.API.ShowMsg(Context.API.GetTranslation("plugin_pluginsmanager_install_error_title"),
+                if (e is HttpRequestException)
+                    MessageBox.Show(Context.API.GetTranslation("plugin_pluginsmanager_download_error"),
+                                        Context.API.GetTranslation("plugin_pluginsmanager_downloading_plugin"));
+
+                Context.API.ShowMsgError(Context.API.GetTranslation("plugin_pluginsmanager_install_error_title"),
                     string.Format(Context.API.GetTranslation("plugin_pluginsmanager_install_error_subtitle"),
                         plugin.Name));
 
@@ -163,6 +172,9 @@ namespace Flow.Launcher.Plugin.PluginsManager
                 return;
             }
 
+            Context.API.ShowMsg(Context.API.GetTranslation("plugin_pluginsmanager_install_title"),
+                    Context.API.GetTranslation("plugin_pluginsmanager_install_success_restart"));
+
             Context.API.RestartApp();
         }
 
@@ -183,7 +195,7 @@ namespace Flow.Launcher.Plugin.PluginsManager
             if (autocompletedResults.Any())
                 return autocompletedResults;
 
-            var uninstallSearch = search.Replace(Settings.HotkeyUpdate, string.Empty).TrimStart();
+            var uninstallSearch = search.Replace(Settings.HotkeyUpdate, string.Empty, StringComparison.OrdinalIgnoreCase).TrimStart();
 
             var resultsForUpdate =
                 from existingPlugin in Context.API.GetAllPlugins()
@@ -239,10 +251,6 @@ namespace Flow.Launcher.Plugin.PluginsManager
 
                                 Task.Run(async delegate
                                 {
-                                    Context.API.ShowMsg(
-                                        Context.API.GetTranslation("plugin_pluginsmanager_downloading_plugin"),
-                                        Context.API.GetTranslation("plugin_pluginsmanager_please_wait"));
-
                                     await Http.DownloadAsync(x.PluginNewUserPlugin.UrlDownload, downloadToFilePath)
                                         .ConfigureAwait(false);
 
@@ -302,6 +310,62 @@ namespace Flow.Launcher.Plugin.PluginsManager
                 .ToList();
         }
 
+        internal List<Result> InstallFromWeb(string url)
+        {
+            var filename = url.Split("/").Last();
+            var name = filename.Split(string.Format(".{0}", zip)).First();
+
+            var plugin = new UserPlugin
+            {
+                ID = "",
+                Name = name,
+                Version = string.Empty,
+                Author = Context.API.GetTranslation("plugin_pluginsmanager_unknown_author"),
+                UrlDownload = url
+            };
+
+            var result = new Result
+            {
+                Title = string.Format(Context.API.GetTranslation("plugin_pluginsmanager_install_from_web"), filename),
+                SubTitle = plugin.UrlDownload,
+                IcoPath = icoPath,
+                Action = e =>
+                {
+                    if (e.SpecialKeyState.CtrlPressed)
+                    {
+                        SearchWeb.NewTabInBrowser(plugin.UrlDownload);
+                        return ShouldHideWindow;
+                    }
+
+                    if (Settings.WarnFromUnknownSource)
+                    {
+                        if (!InstallSourceKnown(plugin.UrlDownload)
+                            && MessageBox.Show(string.Format(Context.API.GetTranslation("plugin_pluginsmanager_install_unknown_source_warning"), 
+                                                        Environment.NewLine), 
+                                                Context.API.GetTranslation("plugin_pluginsmanager_install_unknown_source_warning_title"),
+                                                MessageBoxButton.YesNo) == MessageBoxResult.No)
+                            return false;
+                    }
+
+                    Application.Current.MainWindow.Hide();
+                    _ = InstallOrUpdate(plugin);
+                    
+                    return ShouldHideWindow;
+                }
+            };
+
+            return new List<Result> { result };
+        }
+
+        private bool InstallSourceKnown(string url)
+        {
+            var author = url.Split('/')[3];
+            var acceptedSource = "https://github.com";
+            var contructedUrlPart = string.Format("{0}/{1}/", acceptedSource, author);
+
+            return url.StartsWith(acceptedSource) && Context.API.GetAllPlugins().Any(x => x.Metadata.Website.StartsWith(contructedUrlPart));
+        }
+
         internal async ValueTask<List<Result>> RequestInstallOrUpdate(string searchName, CancellationToken token)
         {
             if (!PluginsManifest.UserPlugins.Any())
@@ -311,7 +375,11 @@ namespace Flow.Launcher.Plugin.PluginsManager
 
             token.ThrowIfCancellationRequested();
 
-            var searchNameWithoutKeyword = searchName.Replace(Settings.HotKeyInstall, string.Empty).Trim();
+            var searchNameWithoutKeyword = searchName.Replace(Settings.HotKeyInstall, string.Empty, StringComparison.OrdinalIgnoreCase).Trim();
+
+            if (Uri.IsWellFormedUriString(searchNameWithoutKeyword, UriKind.Absolute) 
+                && searchNameWithoutKeyword.Split('.').Last() == zip)
+                return InstallFromWeb(searchNameWithoutKeyword);
 
             var results =
                 PluginsManifest
@@ -369,11 +437,26 @@ namespace Flow.Launcher.Plugin.PluginsManager
 
             if (string.IsNullOrEmpty(metadataJsonFilePath) || string.IsNullOrEmpty(pluginFolderPath))
             {
-                MessageBox.Show(Context.API.GetTranslation("plugin_pluginsmanager_install_errormetadatafile"));
+                MessageBox.Show(Context.API.GetTranslation("plugin_pluginsmanager_install_errormetadatafile"),
-                return;
+                Context.API.GetTranslation("plugin_pluginsmanager_install_error_title"));
+                               
+                throw new FileNotFoundException (
+                    string.Format("Unable to find plugin.json from the extracted zip file, or this path {0} does not exist", pluginFolderPath));
             }
 
-            string newPluginPath = Path.Combine(DataLocation.PluginsDirectory, $"{plugin.Name}-{plugin.Version}");
+            if (SameOrLesserPluginVersionExists(metadataJsonFilePath))
+            {
+                MessageBox.Show(string.Format(Context.API.GetTranslation("plugin_pluginsmanager_install_error_duplicate"), plugin.Name),
+                                Context.API.GetTranslation("plugin_pluginsmanager_install_error_title"));
+
+                throw new InvalidOperationException(
+                    string.Format("A plugin with the same ID and version already exists, " +
+                                    "or the version is greater than this downloaded plugin {0}",
+                                    plugin.Name));
+            }
+
+            var directory = string.IsNullOrEmpty(plugin.Version) ? $"{plugin.Name}-{Guid.NewGuid()}" : $"{plugin.Name}-{plugin.Version}";
+            var newPluginPath = Path.Combine(DataLocation.PluginsDirectory, directory);
 
             FilesFolders.CopyAll(pluginFolderPath, newPluginPath);
 
@@ -390,7 +473,7 @@ namespace Flow.Launcher.Plugin.PluginsManager
             if (autocompletedResults.Any())
                 return autocompletedResults;
 
-            var uninstallSearch = search.Replace(Settings.HotkeyUninstall, string.Empty).TrimStart();
+            var uninstallSearch = search.Replace(Settings.HotkeyUninstall, string.Empty, StringComparison.OrdinalIgnoreCase).TrimStart();
 
             var results = Context.API
                 .GetAllPlugins()
@@ -466,5 +549,13 @@ namespace Flow.Launcher.Plugin.PluginsManager
 
             return new List<Result>();
         }
+
+        private bool SameOrLesserPluginVersionExists(string metadataPath)
+        {
+            var newMetadata = JsonSerializer.Deserialize<PluginMetadata>(File.ReadAllText(metadataPath));
+            return Context.API.GetAllPlugins()
+                                .Any(x => x.Metadata.ID == newMetadata.ID 
+                                    && newMetadata.Version.CompareTo(x.Metadata.Version) <= 0);
+        }
     }
-}
+}

Plugins/Flow.Launcher.Plugin.PluginsManager/Settings.cs

@@ -7,8 +7,11 @@ namespace Flow.Launcher.Plugin.PluginsManager
     internal class Settings
     {
         internal string HotKeyInstall { get; set; } = "install";
+
         internal string HotkeyUninstall { get; set; } = "uninstall";
 
         internal string HotkeyUpdate { get; set; } = "update";
+
+        public bool WarnFromUnknownSource { get; set; } = true;
     }
 }

Plugins/Flow.Launcher.Plugin.PluginsManager/ViewModels/SettingsViewModel.cs

@@ -14,5 +14,11 @@ namespace Flow.Launcher.Plugin.PluginsManager.ViewModels
             Context = context;
             Settings = settings;
         }
+
+        public bool WarnFromUnknownSource 
+        {
+            get => Settings.WarnFromUnknownSource;
+            set => Settings.WarnFromUnknownSource = value;
+        }
     }
 }

Plugins/Flow.Launcher.Plugin.PluginsManager/Views/PluginsManagerSettings.xaml

@@ -3,10 +3,18 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:Flow.Launcher.Plugin.PluginsManager.ViewModels"
         mc:Ignorable="d"
         d:DesignHeight="450" d:DesignWidth="800">
-    <Grid>
+    <Grid Margin="70 15 0 15">
-        
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="250"/>
+            <ColumnDefinition Width="*"/>
+        </Grid.ColumnDefinitions>
+
+        <TextBlock Grid.Column="0" 
+                   Text="{DynamicResource plugin_pluginsmanager_plugin_settings_unknown_source}" 
+                   VerticalAlignment="Center" 
+                   FontSize="14"/>
+        <CheckBox Grid.Column="1" IsChecked="{Binding WarnFromUnknownSource}" />
     </Grid>
 </UserControl>

Plugins/Flow.Launcher.Plugin.PluginsManager/Views/PluginsManagerSettings.xaml.cs

@@ -16,7 +16,7 @@ namespace Flow.Launcher.Plugin.PluginsManager.Views
 
             this.viewModel = viewModel;
 
-            //RefreshView();
+            this.DataContext = viewModel;
         }
     }
 }

Plugins/Flow.Launcher.Plugin.PluginsManager/plugin.json

@@ -6,7 +6,7 @@
   "Name": "Plugins Manager",
   "Description": "Management of installing, uninstalling or updating Flow Launcher plugins",
   "Author": "Jeremy Wu",
-  "Version": "1.9.1",
+  "Version": "1.10.0",
   "Language": "csharp",
   "Website": "https://github.com/Flow-Launcher/Flow.Launcher",
   "ExecuteFileName": "Flow.Launcher.Plugin.PluginsManager.dll",