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Clash.Meta/common/cert/cert_test.go
2022-04-25 10:54:12 +08:00

105 lines
3.5 KiB
Go

package cert
import (
"crypto/tls"
"crypto/x509"
"net"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestCert(t *testing.T) {
ca, privateKey, err := NewAuthority("Clash ca", "Clash", 24*time.Hour)
assert.Nil(t, err)
assert.NotNil(t, ca)
assert.NotNil(t, privateKey)
c, err := NewConfig(ca, privateKey)
assert.Nil(t, err)
c.SetValidity(20 * time.Hour)
c.SetOrganization("Test Organization")
conf := c.NewTLSConfigForHost("example.org")
assert.Equal(t, []string{"http/1.1"}, conf.NextProtos)
assert.True(t, conf.InsecureSkipVerify)
// Test generating a certificate
clientHello := &tls.ClientHelloInfo{
ServerName: "example.org",
}
tlsCert, err := conf.GetCertificate(clientHello)
assert.Nil(t, err)
assert.NotNil(t, tlsCert)
// Assert certificate details
x509c := tlsCert.Leaf
assert.Equal(t, "example.org", x509c.Subject.CommonName)
assert.Nil(t, x509c.VerifyHostname("example.org"))
assert.Nil(t, x509c.VerifyHostname("abc.example.org"))
assert.Equal(t, []string{"Test Organization"}, x509c.Subject.Organization)
assert.NotNil(t, x509c.SubjectKeyId)
assert.True(t, x509c.BasicConstraintsValid)
assert.True(t, x509c.KeyUsage&x509.KeyUsageKeyEncipherment == x509.KeyUsageKeyEncipherment)
assert.True(t, x509c.KeyUsage&x509.KeyUsageDigitalSignature == x509.KeyUsageDigitalSignature)
assert.Equal(t, []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, x509c.ExtKeyUsage)
assert.Equal(t, []string{"example.org", "*.example.org"}, x509c.DNSNames)
assert.True(t, x509c.NotBefore.Before(time.Now().Add(-2*time.Hour)))
assert.True(t, x509c.NotAfter.After(time.Now().Add(2*time.Hour)))
// Check that certificate is cached
tlsCert2, err := c.GetOrCreateCert("abc.example.org")
assert.Nil(t, err)
assert.True(t, tlsCert == tlsCert2)
// Check that certificate is new
_, _ = c.GetOrCreateCert("a.b.c.d.e.f.g.h.i.j.example.org")
tlsCert3, err := c.GetOrCreateCert("m.k.l.example.org")
x509c = tlsCert3.Leaf
assert.Nil(t, err)
assert.False(t, tlsCert == tlsCert3)
assert.Equal(t, []string{"example.org", "*.example.org", "*.j.example.org", "*.i.j.example.org", "*.h.i.j.example.org", "*.g.h.i.j.example.org", "*.f.g.h.i.j.example.org", "*.e.f.g.h.i.j.example.org", "*.d.e.f.g.h.i.j.example.org", "*.c.d.e.f.g.h.i.j.example.org", "*.b.c.d.e.f.g.h.i.j.example.org", "*.l.example.org", "*.k.l.example.org"}, x509c.DNSNames)
// Check that certificate is cached
tlsCert4, err := c.GetOrCreateCert("xyz.example.org")
x509c = tlsCert4.Leaf
assert.Nil(t, err)
assert.True(t, tlsCert3 == tlsCert4)
assert.Nil(t, x509c.VerifyHostname("example.org"))
assert.Nil(t, x509c.VerifyHostname("jkf.example.org"))
assert.Nil(t, x509c.VerifyHostname("n.j.example.org"))
assert.Nil(t, x509c.VerifyHostname("c.i.j.example.org"))
assert.Nil(t, x509c.VerifyHostname("m.l.example.org"))
assert.Error(t, x509c.VerifyHostname("m.l.jkf.example.org"))
// Check the certificate for an IP
tlsCertForIP, err := c.GetOrCreateCert("192.168.0.1")
x509c = tlsCertForIP.Leaf
assert.Nil(t, err)
assert.Equal(t, 1, len(x509c.IPAddresses))
assert.True(t, net.ParseIP("192.168.0.1").Equal(x509c.IPAddresses[0]))
// Check that certificate is cached
tlsCertForIP2, err := c.GetOrCreateCert("192.168.0.1")
x509c = tlsCertForIP2.Leaf
assert.Nil(t, err)
assert.True(t, tlsCertForIP == tlsCertForIP2)
assert.Nil(t, x509c.VerifyHostname("192.168.0.1"))
}
func TestGenerateAndSave(t *testing.T) {
caPath := "ca.crt"
caKeyPath := "ca.key"
err := GenerateAndSave(caPath, caKeyPath)
assert.Nil(t, err)
_ = os.Remove(caPath)
_ = os.Remove(caKeyPath)
}