proxy

Documentation

Overview

Package proxy contains the core proxy functionality and aTLS configuration

Index

• Constants
• func CreateAttestationIssuer(log *slog.Logger, attestationType AttestationType) (atls.Issuer, error)
• func CreateAttestationValidators(log *slog.Logger, attestationType AttestationType, jsonMeasurementsPath string) ([]atls.Validator, error)
• func ExtractMeasurementsFromExtension(ext *pkix.Extension, v variant.Variant) (map[uint32][]byte, error)
• type AttestationLogger
  • func (w AttestationLogger) Info(format string, args ...any)
  • func (w AttestationLogger) Warn(format string, args ...any)
• type AttestationType
  • func ParseAttestationType(attestationType string) (AttestationType, error)
• type MultiValidator
  • func NewMultiValidator(validators []atls.Validator) *MultiValidator
  • func (v *MultiValidator) OID() asn1.ObjectIdentifier
  • func (v *MultiValidator) Validate(ctx context.Context, attDocRaw, nonce []byte) (userData []byte, err error)
• type Proxy
  • func NewProxy(log *slog.Logger, targetURL string, validators []atls.Validator) *Proxy
  • func (p *Proxy) ServeHTTP(w http.ResponseWriter, r *http.Request)
  • func (p *Proxy) WithTransport(transport *http.Transport) *Proxy

Constants

const (
	AttestationTypeHeader string = "X-Flashbots-Attestation-Type"
	MeasurementHeader     string = "X-Flashbots-Measurement"
)

const AvailableAttestationTypes string = "none, azure-tdx"

Functions

func CreateAttestationIssuer

func CreateAttestationIssuer(log *slog.Logger, attestationType AttestationType) (atls.Issuer, error)

func CreateAttestationValidators

func CreateAttestationValidators(log *slog.Logger, attestationType AttestationType, jsonMeasurementsPath string) ([]atls.Validator, error)

func ExtractMeasurementsFromExtension

func ExtractMeasurementsFromExtension(ext *pkix.Extension, v variant.Variant) (map[uint32][]byte, error)

Types

type AttestationLogger

type AttestationLogger struct {
	Log *slog.Logger
}

func (AttestationLogger) Info

func (w AttestationLogger) Info(format string, args ...any)

func (AttestationLogger) Warn

func (w AttestationLogger) Warn(format string, args ...any)

type AttestationType

type AttestationType string

const (
	AttestationNone     AttestationType = "none"
	AttestationAzureTDX AttestationType = "azure-tdx"
)

func ParseAttestationType

func ParseAttestationType(attestationType string) (AttestationType, error)

type MultiValidator

type MultiValidator struct {
	// contains filtered or unexported fields
}

MultiValidator is a validator for Azure confidential VM attestation using TDX which accepts multiple measurements

func NewMultiValidator

func NewMultiValidator(validators []atls.Validator) *MultiValidator

NewMultiValidator returns a new Validator for Azure confidential VM attestation using TDX which accepts multiple measurements

func (*MultiValidator) OID

func (v *MultiValidator) OID() asn1.ObjectIdentifier

func (*MultiValidator) Validate

func (v *MultiValidator) Validate(ctx context.Context, attDocRaw, nonce []byte) (userData []byte, err error)

type Proxy

type Proxy struct {
	// contains filtered or unexported fields
}

func NewProxy

func NewProxy(log *slog.Logger, targetURL string, validators []atls.Validator) *Proxy

func (*Proxy) ServeHTTP

func (p *Proxy) ServeHTTP(w http.ResponseWriter, r *http.Request)

func (*Proxy) WithTransport

func (p *Proxy) WithTransport(transport *http.Transport) *Proxy