mirror of
https://github.com/linka-cloud/grpc.git
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97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
package certs
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import (
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"context"
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"crypto/ecdsa"
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"crypto/tls"
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"crypto/x509"
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"encoding/pem"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestLoad(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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t.Run("missing", func(t *testing.T) {
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fn, err := Load(ctx, "missing", "missing")
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require.Error(t, err)
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require.Nil(t, fn)
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})
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dir, err := os.MkdirTemp("", "certs")
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require.NoError(t, err)
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defer os.RemoveAll(dir)
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var (
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want tls.Certificate
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fn func(*tls.ClientHelloInfo) (*tls.Certificate, error)
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)
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t.Run("load", func(t *testing.T) {
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want, err = New("acme.org")
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require.NoError(t, err)
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require.NotNil(t, want.PrivateKey)
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require.NotEmpty(t, want.Certificate)
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write(t, dir, want)
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fn, err = Load(ctx, filepath.Join(dir, "cert.pem"), filepath.Join(dir, "key.pem"))
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require.NoError(t, err)
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require.NotNil(t, fn)
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got, err := fn(nil)
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require.NoError(t, err)
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require.NotNil(t, got)
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require.Equal(t, want.Certificate, got.Certificate)
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require.Equal(t, want.PrivateKey, got.PrivateKey)
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})
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t.Run("reload", func(t *testing.T) {
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for i := 0; i < 10; i++ {
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want, err = New("acme.org")
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require.NoError(t, err)
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write(t, dir, want)
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time.Sleep(100 * time.Millisecond)
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got, err := fn(nil)
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require.NoError(t, err)
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require.NotNil(t, got)
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require.Equal(t, want.Certificate, got.Certificate)
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require.Equal(t, want.PrivateKey, got.PrivateKey)
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require.Equal(t, want.Leaf, got.Leaf)
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}
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})
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t.Run("removed", func(t *testing.T) {
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require.NoError(t, os.Remove(filepath.Join(dir, "cert.pem")))
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require.NoError(t, os.Remove(filepath.Join(dir, "key.pem")))
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got, err := fn(nil)
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require.NoError(t, err)
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require.NotNil(t, got)
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require.Equal(t, want.Certificate, got.Certificate)
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require.Equal(t, want.PrivateKey, got.PrivateKey)
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})
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}
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func write(t *testing.T, dir string, cert tls.Certificate) {
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crt, err := os.Create(filepath.Join(dir, "cert.pem"))
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require.NoError(t, err)
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defer crt.Close()
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require.NoError(t, pem.Encode(crt, &pem.Block{
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Type: "CERTIFICATE",
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Bytes: cert.Certificate[0],
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}))
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if err := crt.Sync(); err != nil {
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t.Fatal(err)
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}
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key, err := os.Create(filepath.Join(dir, "key.pem"))
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require.NoError(t, err)
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defer key.Close()
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b, err := x509.MarshalECPrivateKey(cert.PrivateKey.(*ecdsa.PrivateKey))
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require.NoError(t, err)
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require.NoError(t, pem.Encode(key, &pem.Block{
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Type: "RSA PRIVATE KEY",
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Bytes: b,
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}))
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if err := key.Sync(); err != nil {
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t.Fatal(err)
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}
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}
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