diff --git a/app/controllers/active_storage/disk_controller_decorator.rb b/app/controllers/active_storage/disk_controller_decorator.rb
index 4c9c5166..26819b45 100644
--- a/app/controllers/active_storage/disk_controller_decorator.rb
+++ b/app/controllers/active_storage/disk_controller_decorator.rb
@@ -11,7 +11,7 @@ module ActiveStorage
       # Permitir incrustar archivos subidos (especialmente PDFs) desde
       # otros sitios.
       def show
-        original_show.tap do |s|
+        original_show.tap do |_s|
           response.headers.delete 'X-Frame-Options'
         end
       end
@@ -24,20 +24,28 @@ module ActiveStorage
         if (token = decode_verified_token)
           if acceptable_content?(token)
             blob = ActiveStorage::Blob.find_by_key! token[:key]
-            site = Site.find_by_name token[:service_name]
+            site = Site.find_by_name! token[:service_name]
 
             if remote_file?(token)
-              url = request.body.read
-              body = Down.download(url, max_size: 111.megabytes)
-              checksum = Digest::MD5.file(body.path).base64digest
-              blob.metadata[:url] = url
-              blob.update_columns checksum: checksum, byte_size: body.size, metadata: blob.metadata
+              begin
+                url = request.body.read
+                body = Down.download(url, max_size: 111.megabytes)
+                checksum = Digest::MD5.file(body.path).base64digest
+                blob.metadata[:url] = url
+                blob.update_columns checksum:, byte_size: body.size, metadata: blob.metadata
+              rescue StandardError => e
+                ExceptionNotifier.notify_exception(e, data: { key: token[:key], url:, site: site.name })
+
+                head :content_too_large
+
+                return
+              end
             else
               body = request.body
               checksum = token[:checksum]
             end
 
-            named_disk_service(token[:service_name]).upload token[:key], body, checksum: checksum
+            named_disk_service(site.name).upload(token[:key], body, checksum:)
 
             site.static_files.attach(blob)
           else
@@ -46,7 +54,9 @@ module ActiveStorage
         else
           head :not_found
         end
-      rescue ActiveStorage::IntegrityError
+      rescue ActiveRecord::ActiveRecordError, ActiveStorage::Error => e
+        ExceptionNotifier.notify_exception(e, data: { token: })
+
         head :unprocessable_entity
       rescue Down::Error => e
         ExceptionNotifier.notify_exception(e, data: { key: token[:key], url: url, site: site.name })
@@ -62,7 +72,7 @@ module ActiveStorage
 
       def page_not_found(exception)
         head :not_found
-        ExceptionNotifier.notify_exception(exception, data: {params: params.to_hash})
+        ExceptionNotifier.notify_exception(exception, data: { params: params.to_hash })
       end
     end
   end