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package tun
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import (
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	"strings"
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	"testing"
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	"go.miragespace.co/specter/spec/chord"
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	"github.com/stretchr/testify/require"
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)
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func TestLabelAndAliasFormats(t *testing.T) {
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	label, inv, err := EphemeralLabel(chord.MaxIdentitifer-1, []byte("public key"))
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	require.NoError(t, err)
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	require.Len(t, label, 47)
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	home, parsed, ok := ParseEphemeralLabel(label)
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	require.True(t, ok)
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	require.Equal(t, chord.MaxIdentitifer-1, home)
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	require.Equal(t, inv, parsed)
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	_, _, err = EphemeralLabel(chord.MaxIdentitifer, nil)
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	require.Error(t, err)
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	for _, bad := range []string{strings.ToUpper(label), label[:46], label + ".example.com", label[:46] + "g"} {
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		_, _, ok := ParseEphemeralLabel(bad)
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		require.False(t, ok, bad)
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	}
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	alias := SessionAlias(inv)
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	require.Len(t, alias, 40)
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	require.True(t, IsSessionAlias(alias))
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	for _, bad := range []string{strings.ToUpper(alias), alias + "0", "v2:" + strings.Repeat("a", 46), strings.Repeat("a", 44)} {
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		require.False(t, IsSessionAlias(bad))
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	}
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	secret := [32]byte{1, 2, 3, 4}
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	token := EncodeDelegationToken(secret)
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	require.Len(t, token, 47)
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	got, err := ParseDelegationToken(token)
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	require.NoError(t, err)
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	require.Equal(t, secret, got)
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	id := DelegationID(secret)
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	require.True(t, IsDelegationID(id))
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	require.False(t, IsDelegationID(strings.ToUpper(id)))
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	for _, bad := range []string{id, token + "=", " " + token, token[:46], token[:46] + "B"} {
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		_, err := ParseDelegationToken(bad)
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		require.Error(t, err, bad)
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	}
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}