uquic/internal/handshake/token_protector_test.go
2022-10-11 16:38:44 +04:00

67 lines
1.7 KiB
Go

package handshake
import (
"crypto/rand"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
type zeroReader struct{}
func (r *zeroReader) Read(b []byte) (int, error) {
for i := range b {
b[i] = 0
}
return len(b), nil
}
var _ = Describe("Token Protector", func() {
var tp tokenProtector
BeforeEach(func() {
var err error
tp, err = newTokenProtector(rand.Reader)
Expect(err).ToNot(HaveOccurred())
})
It("uses the random source", func() {
tp1, err := newTokenProtector(&zeroReader{})
Expect(err).ToNot(HaveOccurred())
tp2, err := newTokenProtector(&zeroReader{})
Expect(err).ToNot(HaveOccurred())
t1, err := tp1.NewToken([]byte("foo"))
Expect(err).ToNot(HaveOccurred())
t2, err := tp2.NewToken([]byte("foo"))
Expect(err).ToNot(HaveOccurred())
Expect(t1).To(Equal(t2))
tp3, err := newTokenProtector(rand.Reader)
Expect(err).ToNot(HaveOccurred())
t3, err := tp3.NewToken([]byte("foo"))
Expect(err).ToNot(HaveOccurred())
Expect(t3).ToNot(Equal(t1))
})
It("encodes and decodes tokens", func() {
token, err := tp.NewToken([]byte("foobar"))
Expect(err).ToNot(HaveOccurred())
Expect(token).ToNot(ContainSubstring("foobar"))
decoded, err := tp.DecodeToken(token)
Expect(err).ToNot(HaveOccurred())
Expect(decoded).To(Equal([]byte("foobar")))
})
It("fails deconding invalid tokens", func() {
token, err := tp.NewToken([]byte("foobar"))
Expect(err).ToNot(HaveOccurred())
token = token[1:] // remove the first byte
_, err = tp.DecodeToken(token)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("message authentication failed"))
})
It("errors when decoding too short tokens", func() {
_, err := tp.DecodeToken([]byte("foobar"))
Expect(err).To(MatchError("token too short: 6"))
})
})