1 files changed, 58 insertions, 0 deletions
diff --git a/provider_aegis.go b/provider_aegis.go
new file mode 100644
index 0000000..040da0a
--- /dev/null
+++ b/provider_aegis.go
@@ -0,0 +1,58 @@
+// Copyright 2021, Shulhan <ms@kilabit.info>. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package gotp
+
+import (
+	"bytes"
+	"fmt"
+	"net/url"
+	"os"
+	"strconv"
+)
+
+func parseProviderAegis(file string) (issuers []*Issuer, err error) {
+	logp := "parseProviderAegis"
+
+	b, err := os.ReadFile(file)
+	if err != nil {
+		return nil, fmt.Errorf("%s: %w", logp, err)
+	}
+
+	lines := bytes.Split(b, []byte("\n"))
+	for x, line := range lines {
+		u, err := url.Parse(string(line))
+		if err != nil {
+			return nil, fmt.Errorf("%s: line %d: invalid format %q", logp, x, line)
+		}
+		if u.Host != "totp" {
+			continue
+		}
+
+		q := u.Query()
+		issuer := &Issuer{
+			Label:  normalizeLabel(u.Path[1:]),
+			Hash:   q.Get("algorithm"),
+			Secret: q.Get("secret"),
+			Name:   q.Get("issuer"),
+		}
+
+		val := q.Get("digits")
+		issuer.Digits, err = strconv.Atoi(val)
+		if err != nil {
+			return nil, fmt.Errorf("%s: line %d: invalid digits %q",
+				logp, x, val)
+		}
+
+		val = q.Get("period")
+		issuer.TimeStep, err = strconv.Atoi(val)
+		if err != nil {
+			return nil, fmt.Errorf("%s: line %d: invalid period %q",
+				logp, x, val)
+		}
+
+		issuers = append(issuers, issuer)
+	}
+	return issuers, nil
+}