test: Use Pebble as the ACME server in integration tests #339
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,218 @@ | ||
| // Adapted from the Go standard library generate_cert.go | ||
| // Source: https://github.com/golang/go/blob/master/src/crypto/tls/generate_cert.go | ||
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| // Generate a self-signed X.509 certificate for a TLS server. Outputs to | ||
| // 'cert.pem' and 'key.pem' and will overwrite existing files. | ||
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| package testutils | ||
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| import ( | ||
| "crypto/ecdsa" | ||
| "crypto/ed25519" | ||
| "crypto/elliptic" | ||
| "crypto/rand" | ||
| "crypto/rsa" | ||
| "crypto/x509" | ||
| "crypto/x509/pkix" | ||
| "encoding/pem" | ||
| "fmt" | ||
| "log" | ||
| "math/big" | ||
| "net" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| "time" | ||
| ) | ||
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| type certFlags struct { | ||
| // Comma-separated hostnames and IPs to generate a certificate for | ||
| host *string | ||
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| //Creation date formatted as Jan 1 15:04:05 2011 | ||
| validFrom *string | ||
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| // Duration that certificate is valid for | ||
| validFor *time.Duration | ||
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| // Whether this cert should be its own Certificate Authority | ||
| isCA *bool | ||
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| // Size of RSA key to generate. Ignored if ecdsaCurve is set | ||
| rsaBits *int | ||
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| // ECDSA curve to use to generate a key. Valid values are P224, P256 (recommended), P384, P521 | ||
| ecdsaCurve *string | ||
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| // Generate an Ed25519 key | ||
| ed25519Key *bool | ||
| } | ||
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| func generateCert(certFlags certFlags, certPath, keyPath string) error { | ||
| setDefaults(&certFlags) | ||
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| if len(*certFlags.host) == 0 { | ||
| log.Fatalf("Missing required --host parameter") | ||
| } | ||
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| var priv any | ||
| var err error | ||
| switch *certFlags.ecdsaCurve { | ||
| case "": | ||
| if *certFlags.ed25519Key { | ||
| _, priv, err = ed25519.GenerateKey(rand.Reader) | ||
| } else { | ||
| priv, err = rsa.GenerateKey(rand.Reader, *certFlags.rsaBits) | ||
| } | ||
| case "P224": | ||
| priv, err = ecdsa.GenerateKey(elliptic.P224(), rand.Reader) | ||
| case "P256": | ||
| priv, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader) | ||
| case "P384": | ||
| priv, err = ecdsa.GenerateKey(elliptic.P384(), rand.Reader) | ||
| case "P521": | ||
| priv, err = ecdsa.GenerateKey(elliptic.P521(), rand.Reader) | ||
| default: | ||
| log.Fatalf("Unrecognized elliptic curve: %q", *certFlags.ecdsaCurve) | ||
| } | ||
| if err != nil { | ||
| log.Fatalf("Failed to generate private key: %v", err) | ||
| } | ||
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| // ECDSA, ED25519 and RSA subject keys should have the DigitalSignature | ||
| // KeyUsage bits set in the x509.Certificate template | ||
| keyUsage := x509.KeyUsageDigitalSignature | ||
| // Only RSA subject keys should have the KeyEncipherment KeyUsage bits set. In | ||
| // the context of TLS this KeyUsage is particular to RSA key exchange and | ||
| // authentication. | ||
| if _, isRSA := priv.(*rsa.PrivateKey); isRSA { | ||
| keyUsage |= x509.KeyUsageKeyEncipherment | ||
| } | ||
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| var notBefore time.Time | ||
| if len(*certFlags.validFrom) == 0 { | ||
| notBefore = time.Now() | ||
| } else { | ||
| notBefore, err = time.Parse("Jan 2 15:04:05 2006", *certFlags.validFrom) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to parse creation date: %v", err) | ||
| } | ||
| } | ||
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| notAfter := notBefore.Add(*certFlags.validFor) | ||
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| serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128) | ||
| serialNumber, err := rand.Int(rand.Reader, serialNumberLimit) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to generate serial number: %v", err) | ||
| } | ||
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| template := x509.Certificate{ | ||
| SerialNumber: serialNumber, | ||
| Subject: pkix.Name{ | ||
| Organization: []string{"Acme Co"}, | ||
| }, | ||
| NotBefore: notBefore, | ||
| NotAfter: notAfter, | ||
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| KeyUsage: keyUsage, | ||
| ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, | ||
| BasicConstraintsValid: true, | ||
| } | ||
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| hosts := strings.Split(*certFlags.host, ",") | ||
| for _, h := range hosts { | ||
| if ip := net.ParseIP(h); ip != nil { | ||
| template.IPAddresses = append(template.IPAddresses, ip) | ||
| } else { | ||
| template.DNSNames = append(template.DNSNames, h) | ||
| } | ||
| } | ||
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| if *certFlags.isCA { | ||
| template.IsCA = true | ||
| template.KeyUsage |= x509.KeyUsageCertSign | ||
| } | ||
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| derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, publicKey(priv), priv) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to create certificate: %v", err) | ||
| } | ||
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| certOut, err := os.Create(filepath.Clean(certPath)) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to open cert.pem for writing: %v", err) | ||
| } | ||
| if err := pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}); err != nil { | ||
| return fmt.Errorf("failed to write data to cert.pem: %v", err) | ||
| } | ||
| if err := certOut.Close(); err != nil { | ||
| return fmt.Errorf("error closing cert.pem: %v", err) | ||
| } | ||
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| keyOut, err := os.OpenFile(filepath.Clean(keyPath), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to open key.pem for writing: %v", err) | ||
| } | ||
| privBytes, err := x509.MarshalPKCS8PrivateKey(priv) | ||
| if err != nil { | ||
| return fmt.Errorf("unable to marshal private key: %v", err) | ||
| } | ||
| if err := pem.Encode(keyOut, &pem.Block{Type: "PRIVATE KEY", Bytes: privBytes}); err != nil { | ||
| return fmt.Errorf("failed to write data to key.pem: %v", err) | ||
| } | ||
| if err := keyOut.Close(); err != nil { | ||
| return fmt.Errorf("error closing key.pem: %v", err) | ||
| } | ||
| return nil | ||
| } | ||
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| func setDefaults(certFlags *certFlags) { | ||
| if certFlags.host == nil { | ||
| certFlags.host = new(string) | ||
| *certFlags.host = "" | ||
| } | ||
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| if certFlags.validFrom == nil { | ||
| certFlags.validFrom = new(string) | ||
| *certFlags.validFrom = "" | ||
| } | ||
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| if certFlags.validFor == nil { | ||
| certFlags.validFor = new(time.Duration) | ||
| *certFlags.validFor = 365 * 24 * time.Hour | ||
| } | ||
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| if certFlags.isCA == nil { | ||
| certFlags.isCA = new(bool) | ||
| *certFlags.isCA = false | ||
| } | ||
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| if certFlags.rsaBits == nil { | ||
| certFlags.rsaBits = new(int) | ||
| *certFlags.rsaBits = 2048 | ||
| } | ||
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| if certFlags.ecdsaCurve == nil { | ||
| certFlags.ecdsaCurve = new(string) | ||
| *certFlags.ecdsaCurve = "" | ||
| } | ||
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| if certFlags.ed25519Key == nil { | ||
| certFlags.ed25519Key = new(bool) | ||
| *certFlags.ed25519Key = false | ||
| } | ||
| } | ||
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| func publicKey(priv any) any { | ||
| switch k := priv.(type) { | ||
| case *rsa.PrivateKey: | ||
| return &k.PublicKey | ||
| case *ecdsa.PrivateKey: | ||
| return &k.PublicKey | ||
| case ed25519.PrivateKey: | ||
| return k.Public().(ed25519.PublicKey) | ||
| default: | ||
| return nil | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| package testutils | ||
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| import ( | ||
| "log" | ||
| "strings" | ||
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| "github.com/go-logr/logr" | ||
| ) | ||
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| type logBridge struct { | ||
| logr logr.Logger | ||
| } | ||
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| func (logBridge *logBridge) Write(p []byte) (n int, err error) { | ||
| message := strings.TrimSpace(string(p)) | ||
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| logBridge.logr.Info(message) | ||
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| return len(p), nil | ||
| } | ||
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| // NewLogBridge creates a new log.Logger that forwards all log messages to the given logr.Logger. | ||
| func NewLogBridge(logr logr.Logger) *log.Logger { | ||
| writer := &logBridge{logr} | ||
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| return log.New(writer, "", 0) | ||
| } |
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acmeDirectoryAddresshas been added. This variable holds the directory address of the local Pebble ACME server that will be used to createIssuerresources in tests.The test asserts that this variable has been set before the test starts.