add generating token (only frame for now, actual token is only dummy)

management/server/personal_access_token_test.go

@@ -0,0 +1,41 @@
+package server
+
+import (
+	"crypto/sha256"
+	"hash/crc32"
+	"strings"
+	"testing"
+
+	"codeberg.org/ac/base62"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPAT_GenerateToken_Hashing(t *testing.T) {
+	hashedToken, plainToken := generateNewToken()
+
+	assert.Equal(t, hashedToken, sha256.Sum256([]byte(plainToken)))
+}
+
+func TestPAT_GenerateToken_Prefix(t *testing.T) {
+	_, plainToken := generateNewToken()
+	fourLetterPrefix := plainToken[:4] // should be 3
+	assert.Equal(t, "nbp_", fourLetterPrefix)
+}
+
+func TestPAT_GenerateToken_Checksum(t *testing.T) {
+	_, plainToken := generateNewToken()
+	tokenWithoutPrefix := strings.Split(plainToken, "_")[1]
+	if len(tokenWithoutPrefix) != 36 {
+		t.Fatal("Token has wrong length")
+	}
+	token := tokenWithoutPrefix[:len(tokenWithoutPrefix)-6]
+	tokenCheckSum := tokenWithoutPrefix[len(tokenWithoutPrefix)-6:]
+
+	crc32q := crc32.MakeTable(IEEE)
+	expectedChecksum := crc32.Checksum([]byte(token), crc32q)
+	actualChecksum, err := base62.Decode(tokenCheckSum)
+	if err != nil {
+		t.Fatal(err)
+	}
+	assert.Equal(t, expectedChecksum, actualChecksum)
+}