document.go

@@ -61,7 +61,7 @@ func (d *document) Refresh() error {
 		return fmt.Errorf("failed to reload page: %w", err)
 	}
 
-	if resp.Status() != 200 {
+	if resp != nil && resp.Status() != 200 {
 		return fmt.Errorf("invalid status code: %d", resp.Status())
 	}
 

sites/archive/archive.go

@@ -104,15 +104,25 @@ func (c Config) Archive(ctx context.Context, b extractor.Browser, target string)
 		return nil, fmt.Errorf("failed to open url: %w", err)
 	}
 
-	err = doc.SelectFirst("input[name='url']").Type(u.String())
+	urlInput := doc.SelectFirst("input[name='url']")
+	if urlInput == nil {
+		_ = doc.Close()
+		return nil, fmt.Errorf("failed to find url input element")
+	}
 
+	err = urlInput.Type(u.String())
 	if err != nil {
 		_ = doc.Close()
 		return nil, fmt.Errorf("failed to type url: %w", err)
 	}
 
-	err = doc.SelectFirst("form#submiturl input[type=\"submit\"]").Click()
+	submitBtn := doc.SelectFirst("form#submiturl input[type=\"submit\"]")
+	if submitBtn == nil {
+		_ = doc.Close()
+		return nil, fmt.Errorf("failed to find submit button")
+	}
 
+	err = submitBtn.Click()
 	if err != nil {
 		_ = doc.Close()
 		return nil, fmt.Errorf("failed to click submit: %w", err)