GetTLSConfigs() — fiber Function Reference

Architecture documentation for the GetTLSConfigs() function in tls.go from the fiber codebase.

Function go FiberCore Context

Entity Profile

FiberCore→ Context→ GetTLSConfigs() — fiber Function Reference

Dependency Diagram

graph TD
  715f3e85_52f1_13ff_4d03_8939ca33b820["GetTLSConfigs()"]
  5c0551bf_c540_a0e4_2d7e_5dfff598f76c["tls.go"]
  715f3e85_52f1_13ff_4d03_8939ca33b820 -->|defined in| 5c0551bf_c540_a0e4_2d7e_5dfff598f76c
  style 715f3e85_52f1_13ff_4d03_8939ca33b820 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

internal/tlstest/tls.go lines 22–136

func GetTLSConfigs() (serverTLSConf, clientTLSConf *tls.Config, err error) { //nolint:nonamedreturns // gocritic unnamedResult prefers naming server and client TLS configurations along with the error
	// set up our CA certificate
	ca := &x509.Certificate{
		SerialNumber: big.NewInt(2021),
		Subject: pkix.Name{
			Organization:  []string{"Fiber"},
			Country:       []string{"NL"},
			Province:      []string{""},
			Locality:      []string{"Amsterdam"},
			StreetAddress: []string{"Huidenstraat"},
			PostalCode:    []string{"1011 AA"},
		},
		NotBefore:             time.Now(),
		NotAfter:              time.Now().AddDate(10, 0, 0),
		IsCA:                  true,
		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth},
		KeyUsage:              x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
		BasicConstraintsValid: true,
	}

	// create our private and public key
	caPrivateKey, err := rsa.GenerateKey(rand.Reader, 4096)
	if err != nil {
		return nil, nil, fmt.Errorf("generate CA key: %w", err)
	}

	// create the CA
	caBytes, err := x509.CreateCertificate(rand.Reader, ca, ca, &caPrivateKey.PublicKey, caPrivateKey)
	if err != nil {
		return nil, nil, fmt.Errorf("create CA certificate: %w", err)
	}

	// pem encode
	var caPEM bytes.Buffer
	if err = pem.Encode(&caPEM, &pem.Block{
		Type:  "CERTIFICATE",
		Bytes: caBytes,
	}); err != nil {
		return nil, nil, fmt.Errorf("encode CA cert: %w", err)
	}

	var caPrivKeyPEM bytes.Buffer
	if err = pem.Encode(&caPrivKeyPEM, &pem.Block{
		Type:  "RSA PRIVATE KEY",
		Bytes: x509.MarshalPKCS1PrivateKey(caPrivateKey),
	}); err != nil {
		return nil, nil, fmt.Errorf("encode CA private key: %w", err)
	}

	// set up our server certificate
	cert := &x509.Certificate{
		SerialNumber: big.NewInt(2021),
		Subject: pkix.Name{
			Organization:  []string{"Fiber"},
			Country:       []string{"NL"},
			Province:      []string{""},
			Locality:      []string{"Amsterdam"},
			StreetAddress: []string{"Huidenstraat"},
			PostalCode:    []string{"1011 AA"},
		},
		IPAddresses:  []net.IP{net.IPv4(127, 0, 0, 1), net.IPv6loopback},
		NotBefore:    time.Now(),
		NotAfter:     time.Now().AddDate(10, 0, 0),
		SubjectKeyId: []byte{1, 2, 3, 4, 6},
		ExtKeyUsage:  []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth},
		KeyUsage:     x509.KeyUsageDigitalSignature,
	}

	certPrivateKey, err := rsa.GenerateKey(rand.Reader, 4096)
	if err != nil {
		return nil, nil, fmt.Errorf("generate server key: %w", err)
	}

	certBytes, err := x509.CreateCertificate(rand.Reader, cert, ca, &certPrivateKey.PublicKey, caPrivateKey)
	if err != nil {
		return nil, nil, fmt.Errorf("create server certificate: %w", err)
	}

	var certPEM bytes.Buffer
	if err = pem.Encode(&certPEM, &pem.Block{
		Type:  "CERTIFICATE",