[6.x] Fix Glide tag erroring when an asset cannot be resolved

src/Tags/Glide.php

@@ -15,6 +15,7 @@
 use Statamic\Facades\Image;
 use Statamic\Facades\Path;
 use Statamic\Facades\URL;
+use Statamic\Imaging\AssetNotFoundException;
 use Statamic\Imaging\ImageGenerator;
 use Statamic\Support\Str;
 
@@ -177,7 +178,15 @@ private function generateImage($item)
                 : $this->getGenerator()->generateByPath($item, $params);
         }
 
-        return $this->getGenerator()->generateByAsset(Asset::find($item), $params);
+        $asset = $item instanceof AssetContract ? $item : Asset::find($item);
+
+        if (! $asset) {
+            throw new AssetNotFoundException(
+                sprintf('Could not generate a manipulated image from asset [%s]', $item)
+            );
+        }
+
+        return $this->getGenerator()->generateByAsset($asset, $params);
     }
 
     /**
@@ -290,7 +299,7 @@ private function normalizeItem($item)
 
         // Double colons indicate an asset ID.
         if (Str::contains($item, '::')) {
-            return Asset::find($item);
+            return Asset::find($item) ?? $item;
         }
 
         // In a subfolder installation, the subfolder will likely be passed in

tests/Tags/GlideTest.php

@@ -55,6 +55,31 @@ public function it_outputs_an_absolute_url_when_the_url_does_not_have_a_valid_ex
         $this->assertSame('https://statamic.com/foo', $parse);
     }
 
+    #[Test]
+    public function it_doesnt_error_when_a_url_cannot_be_resolved_to_an_asset()
+    {
+        $tag = '{{ glide src="http://external.com/bar (1).jpg" width="100" }}{{ url }}{{ /glide }}';
+
+        $this->assertSame('', (string) Parse::template($tag, trusted: true));
+    }
+
+    #[Test]
+    public function it_doesnt_error_when_an_asset_id_cannot_be_resolved()
+    {
+        $tag = '{{ glide src="test::bar.jpg" width="100" fit="crop_focal" }}{{ url }}{{ /glide }}';
+
+        $this->assertSame('', (string) Parse::template($tag, trusted: true));
+    }
+
+    #[Test]
+    #[DefineEnvironment('relativeRouteUrl')]
+    public function it_doesnt_error_when_an_asset_id_cannot_be_resolved_and_images_are_served_directly()
+    {
+        $tag = '{{ glide src="test::bar.jpg" width="100" }}{{ url }}{{ /glide }}';
+
+        $this->assertSame('', (string) Parse::template($tag, trusted: true));
+    }
+
     #[Test]
     public function it_outputs_a_data_url()
     {