mirror of
https://github.com/go-acme/lego.git
synced 2024-12-05 03:58:54 +02:00
d457f70ae0
* feat: implemented TLS-ALPN-01 challenge
93 lines
3.1 KiB
Go
93 lines
3.1 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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"strings"
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"testing"
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)
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func TestTLSALPNChallenge(t *testing.T) {
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domain := "localhost:23457"
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privKey, _ := rsa.GenerateKey(rand.Reader, 512)
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j := &jws{privKey: privKey}
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clientChallenge := challenge{Type: string(TLSALPN01), Token: "tlsalpn1"}
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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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if err != nil {
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t.Errorf("Expected to connect to challenge server without an error. %v", err)
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}
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// Expect the server to only return one certificate
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connState := conn.ConnectionState()
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if count := len(connState.PeerCertificates); count != 1 {
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t.Errorf("Expected the challenge server to return exactly one certificate but got %d", count)
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}
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remoteCert := connState.PeerCertificates[0]
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if count := len(remoteCert.DNSNames); count != 1 {
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t.Errorf("Expected the challenge certificate to have exactly one DNSNames entry but had %d", count)
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}
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if remoteCert.DNSNames[0] != domain {
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t.Errorf("Expected the challenge certificate DNSName to match %s but was %s", domain, remoteCert.DNSNames[0])
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}
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if len(remoteCert.Extensions) == 0 {
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t.Error("Expected the challenge certificate to contain extensions, it contained nothing")
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}
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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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if idx == -1 {
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t.Fatal("Expected the challenge certificate to contain an extension with the id-pe-acmeIdentifier id, it did not")
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}
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ext := remoteCert.Extensions[idx]
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if !ext.Critical {
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t.Error("Expected the challenge certificate id-pe-acmeIdentifier extension to be marked as critical, it was not")
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}
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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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if err != nil {
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t.Fatalf("Expected marshaling of the keyAuth to return no error, but was %v", err)
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}
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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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solver := &tlsALPNChallenge{jws: j, validate: mockValidate, provider: &TLSALPNProviderServer{port: "23457"}}
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if err := solver.Solve(clientChallenge, domain); err != nil {
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t.Errorf("Solve error: got %v, want nil", err)
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}
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}
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func TestTLSALPNChallengeInvalidPort(t *testing.T) {
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privKey, _ := rsa.GenerateKey(rand.Reader, 128)
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j := &jws{privKey: privKey}
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clientChallenge := challenge{Type: string(TLSALPN01), Token: "tlsalpn1"}
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solver := &tlsALPNChallenge{jws: j, validate: stubValidate, provider: &TLSALPNProviderServer{port: "123456"}}
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if err := solver.Solve(clientChallenge, "localhost:123456"); err == nil {
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t.Errorf("Solve error: got %v, want error", err)
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} else if want, want18 := "invalid port 123456", "123456: invalid port"; !strings.HasSuffix(err.Error(), want) && !strings.HasSuffix(err.Error(), want18) {
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t.Errorf("Solve error: got %q, want suffix %q", err.Error(), want)
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}
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}
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