Use url host

Author: Jack251970

Flow.Launcher/Helper/PluginInstallationHelper.cs

@@ -268,13 +268,16 @@ private static bool InstallSourceKnown(string url)
             return false;
 
         var author = pieces[3];
+        var acceptedHost = "github.com";
         var acceptedSource = "https://github.com";
         var constructedUrlPart = string.Format("{0}/{1}/", acceptedSource, author);
 
-        return url.StartsWith(acceptedSource) &&
-            App.API.GetAllPlugins().Any(x =>
-                !string.IsNullOrEmpty(x.Metadata.Website) &&
-                x.Metadata.Website.StartsWith(constructedUrlPart)
-            );
+        if (!Uri.TryCreate(url, UriKind.Absolute, out var uri) || uri.Host != acceptedHost)
+            return false;
+
+        return App.API.GetAllPlugins().Any(x =>
+            !string.IsNullOrEmpty(x.Metadata.Website) &&
+            x.Metadata.Website.StartsWith(constructedUrlPart)
+        );
     }
 }

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

@@ -626,14 +626,17 @@ private bool InstallSourceKnown(string url)
                 return false;
 
             var author = pieces[3];
+            var acceptedHost = "github.com";
             var acceptedSource = "https://github.com";
             var constructedUrlPart = string.Format("{0}/{1}/", acceptedSource, author);
 
-            return url.StartsWith(acceptedSource) &&
-                Context.API.GetAllPlugins().Any(x => 
-                    !string.IsNullOrEmpty(x.Metadata.Website) &&
-                    x.Metadata.Website.StartsWith(constructedUrlPart)
-                );
+            if (!Uri.TryCreate(url, UriKind.Absolute, out var uri) || uri.Host != acceptedHost)
+                return false;
+
+            return Context.API.GetAllPlugins().Any(x =>
+                !string.IsNullOrEmpty(x.Metadata.Website) &&
+                x.Metadata.Website.StartsWith(constructedUrlPart)
+            );
         }
 
         internal async ValueTask<List<Result>> RequestInstallOrUpdateAsync(string search, CancellationToken token,