1 files changed, 58 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/whoisquery/provider.go b/src/go/collectors/go.d.plugin/modules/whoisquery/provider.go
new file mode 100644
index 000000000..032f979f4
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/whoisquery/provider.go
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package whoisquery
+
+import (
+	"strings"
+	"time"
+
+	"github.com/araddon/dateparse"
+	"github.com/likexian/whois"
+	whoisparser "github.com/likexian/whois-parser"
+)
+
+type provider interface {
+	remainingTime() (float64, error)
+}
+
+type fromNet struct {
+	domainAddress string
+	client        *whois.Client
+}
+
+func newProvider(config Config) (provider, error) {
+	domain := config.Source
+	client := whois.NewClient()
+	client.SetTimeout(config.Timeout.Duration())
+
+	return &fromNet{
+		domainAddress: domain,
+		client:        client,
+	}, nil
+}
+
+func (f *fromNet) remainingTime() (float64, error) {
+	raw, err := f.client.Whois(f.domainAddress)
+	if err != nil {
+		return 0, err
+	}
+
+	result, err := whoisparser.Parse(raw)
+	if err != nil {
+		return 0, err
+	}
+
+	// https://community.netdata.cloud/t/whois-query-monitor-cannot-parse-expiration-time/3485
+	if strings.Contains(result.Domain.ExpirationDate, " ") {
+		if v, err := time.Parse("2006.01.02 15:04:05", result.Domain.ExpirationDate); err == nil {
+			return time.Until(v).Seconds(), nil
+		}
+	}
+
+	expire, err := dateparse.ParseAny(result.Domain.ExpirationDate)
+	if err != nil {
+		return 0, err
+	}
+
+	return time.Until(expire).Seconds(), nil
+}