Re-started link checker for directory listings

cmd/csaf_checker/links.go

@@ -0,0 +1,33 @@
+// This file is Free Software under the MIT License
+// without warranty, see README.md and LICENSES/MIT.txt for details.
+//
+// SPDX-License-Identifier: MIT
+//
+// SPDX-FileCopyrightText: 2022 German Federal Office for Information Security (BSI) <https://www.bsi.bund.de>
+// Software-Engineering: 2022 Intevation GmbH <https://intevation.de>
+
+package main
+
+import (
+	"io"
+
+	"github.com/PuerkitoBio/goquery"
+)
+
+func linksOnPage(r io.Reader) ([]string, error) {
+
+	doc, err := goquery.NewDocumentFromReader(r)
+	if err != nil {
+		return nil, err
+	}
+
+	var links []string
+
+	doc.Find("a").Each(func(i int, s *goquery.Selection) {
+		if link, ok := s.Attr("href"); ok {
+			links = append(links, link)
+		}
+	})
+
+	return links, nil
+}