forked from TrueCloudLab/lego
89 lines
2.8 KiB
Go
89 lines
2.8 KiB
Go
package acme
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import (
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"crypto/rand"
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"crypto/rsa"
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"crypto/sha256"
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"crypto/subtle"
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"crypto/tls"
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"encoding/asn1"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestTLSALPNChallenge(t *testing.T) {
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domain := "localhost:23457"
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mockValidate := func(_ *jws, _, _ string, chlng challenge) error {
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conn, err := tls.Dial("tcp", domain, &tls.Config{
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InsecureSkipVerify: true,
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})
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assert.NoError(t, err, "Expected to connect to challenge server without an error")
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// Expect the server to only return one certificate
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connState := conn.ConnectionState()
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assert.Len(t, connState.PeerCertificates, 1, "Expected the challenge server to return exactly one certificate")
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remoteCert := connState.PeerCertificates[0]
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assert.Len(t, remoteCert.DNSNames, 1, "Expected the challenge certificate to have exactly one DNSNames entry")
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assert.Equal(t, domain, remoteCert.DNSNames[0], "challenge certificate DNSName ")
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assert.NotEmpty(t, remoteCert.Extensions, "Expected the challenge certificate to contain extensions")
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idx := -1
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for i, ext := range remoteCert.Extensions {
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if idPeAcmeIdentifierV1.Equal(ext.Id) {
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idx = i
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break
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}
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}
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require.NotEqual(t, -1, idx, "Expected the challenge certificate to contain an extension with the id-pe-acmeIdentifier id,")
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ext := remoteCert.Extensions[idx]
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assert.True(t, ext.Critical, "Expected the challenge certificate id-pe-acmeIdentifier extension to be marked as critical")
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zBytes := sha256.Sum256([]byte(chlng.KeyAuthorization))
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value, err := asn1.Marshal(zBytes[:sha256.Size])
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require.NoError(t, err, "Expected marshaling of the keyAuth to return no error")
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if subtle.ConstantTimeCompare(value[:], ext.Value) != 1 {
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t.Errorf("Expected the challenge certificate id-pe-acmeIdentifier extension to contain the SHA-256 digest of the keyAuth, %v, but was %v", zBytes[:], ext.Value)
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}
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return nil
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}
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privKey, err := rsa.GenerateKey(rand.Reader, 512)
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require.NoError(t, err, "Could not generate test key")
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solver := &tlsALPNChallenge{
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jws: &jws{privKey: privKey},
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validate: mockValidate,
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provider: &TLSALPNProviderServer{port: "23457"},
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}
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clientChallenge := challenge{Type: string(TLSALPN01), Token: "tlsalpn1"}
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err = solver.Solve(clientChallenge, domain)
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assert.NoError(t, err)
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}
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func TestTLSALPNChallengeInvalidPort(t *testing.T) {
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privKey, err := rsa.GenerateKey(rand.Reader, 128)
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require.NoError(t, err, "Could not generate test key")
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solver := &tlsALPNChallenge{
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jws: &jws{privKey: privKey},
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validate: stubValidate,
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provider: &TLSALPNProviderServer{port: "123456"},
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}
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clientChallenge := challenge{Type: string(TLSALPN01), Token: "tlsalpn1"}
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err = solver.Solve(clientChallenge, "localhost:123456")
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require.Error(t, err)
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assert.Contains(t, err.Error(), "invalid port")
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assert.Contains(t, err.Error(), "123456")
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}
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