340 lines
9.4 KiB
Go
340 lines
9.4 KiB
Go
package pogs
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import (
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"context"
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"time"
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"github.com/cloudflare/cloudflared/tunnelrpc"
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"github.com/google/uuid"
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log "github.com/sirupsen/logrus"
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"zombiezen.com/go/capnproto2"
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"zombiezen.com/go/capnproto2/pogs"
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"zombiezen.com/go/capnproto2/rpc"
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"zombiezen.com/go/capnproto2/server"
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)
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type Authentication struct {
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Key string
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Email string
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OriginCAKey string
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}
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func MarshalAuthentication(s tunnelrpc.Authentication, p *Authentication) error {
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return pogs.Insert(tunnelrpc.Authentication_TypeID, s.Struct, p)
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}
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func UnmarshalAuthentication(s tunnelrpc.Authentication) (*Authentication, error) {
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p := new(Authentication)
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err := pogs.Extract(p, tunnelrpc.Authentication_TypeID, s.Struct)
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return p, err
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}
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type TunnelRegistration struct {
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Err string
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Url string
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LogLines []string
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PermanentFailure bool
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TunnelID string `capnp:"tunnelID"`
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}
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func MarshalTunnelRegistration(s tunnelrpc.TunnelRegistration, p *TunnelRegistration) error {
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return pogs.Insert(tunnelrpc.TunnelRegistration_TypeID, s.Struct, p)
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}
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func UnmarshalTunnelRegistration(s tunnelrpc.TunnelRegistration) (*TunnelRegistration, error) {
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p := new(TunnelRegistration)
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err := pogs.Extract(p, tunnelrpc.TunnelRegistration_TypeID, s.Struct)
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return p, err
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}
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type RegistrationOptions struct {
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ClientID string `capnp:"clientId"`
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Version string
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OS string `capnp:"os"`
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ExistingTunnelPolicy tunnelrpc.ExistingTunnelPolicy
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PoolName string `capnp:"poolName"`
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Tags []Tag
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ConnectionID uint8 `capnp:"connectionId"`
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OriginLocalIP string `capnp:"originLocalIp"`
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IsAutoupdated bool `capnp:"isAutoupdated"`
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RunFromTerminal bool `capnp:"runFromTerminal"`
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CompressionQuality uint64 `capnp:"compressionQuality"`
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UUID string `capnp:"uuid"`
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}
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func MarshalRegistrationOptions(s tunnelrpc.RegistrationOptions, p *RegistrationOptions) error {
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return pogs.Insert(tunnelrpc.RegistrationOptions_TypeID, s.Struct, p)
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}
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func UnmarshalRegistrationOptions(s tunnelrpc.RegistrationOptions) (*RegistrationOptions, error) {
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p := new(RegistrationOptions)
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err := pogs.Extract(p, tunnelrpc.RegistrationOptions_TypeID, s.Struct)
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return p, err
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}
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type ConnectResult struct {
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Err *ConnectError
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ServerInfo ServerInfo
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}
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func MarshalConnectResult(s tunnelrpc.ConnectResult, p *ConnectResult) error {
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return pogs.Insert(tunnelrpc.ConnectResult_TypeID, s.Struct, p)
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}
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func UnmarshalConnectResult(s tunnelrpc.ConnectResult) (*ConnectResult, error) {
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p := new(ConnectResult)
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err := pogs.Extract(p, tunnelrpc.ConnectResult_TypeID, s.Struct)
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return p, err
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}
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type ConnectError struct {
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Cause string
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RetryAfter time.Duration
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ShouldRetry bool
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}
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func MarshalConnectError(s tunnelrpc.ConnectError, p *ConnectError) error {
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return pogs.Insert(tunnelrpc.ConnectError_TypeID, s.Struct, p)
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}
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func UnmarshalConnectError(s tunnelrpc.ConnectError) (*ConnectError, error) {
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p := new(ConnectError)
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err := pogs.Extract(p, tunnelrpc.ConnectError_TypeID, s.Struct)
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return p, err
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}
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func (e *ConnectError) Error() string {
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return e.Cause
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}
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type Tag struct {
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Name string `json:"name"`
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Value string `json:"value"`
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}
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type ServerInfo struct {
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LocationName string
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}
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func MarshalServerInfo(s tunnelrpc.ServerInfo, p *ServerInfo) error {
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return pogs.Insert(tunnelrpc.ServerInfo_TypeID, s.Struct, p)
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}
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func UnmarshalServerInfo(s tunnelrpc.ServerInfo) (*ServerInfo, error) {
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p := new(ServerInfo)
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err := pogs.Extract(p, tunnelrpc.ServerInfo_TypeID, s.Struct)
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return p, err
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}
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type ConnectParameters struct {
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OriginCert []byte
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CloudflaredID uuid.UUID
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NumPreviousAttempts uint8
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Tags []Tag
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}
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// CapnpConnectParameters is ConnectParameters represented in Cap'n Proto build-in types
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type CapnpConnectParameters struct {
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OriginCert []byte
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CloudflaredID []byte
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NumPreviousAttempts uint8
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Tags []Tag
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}
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func MarshalConnectParameters(s tunnelrpc.CapnpConnectParameters, p *ConnectParameters) error {
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cloudflaredIDBytes, err := p.CloudflaredID.MarshalBinary()
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if err != nil {
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return err
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}
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capnpConnectParameters := &CapnpConnectParameters{
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OriginCert: p.OriginCert,
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CloudflaredID: cloudflaredIDBytes,
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NumPreviousAttempts: p.NumPreviousAttempts,
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}
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return pogs.Insert(tunnelrpc.CapnpConnectParameters_TypeID, s.Struct, capnpConnectParameters)
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}
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func UnmarshalConnectParameters(s tunnelrpc.CapnpConnectParameters) (*ConnectParameters, error) {
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p := new(CapnpConnectParameters)
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err := pogs.Extract(p, tunnelrpc.CapnpConnectParameters_TypeID, s.Struct)
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if err != nil {
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return nil, err
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}
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cloudflaredID, err := uuid.FromBytes(p.CloudflaredID)
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if err != nil {
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return nil, err
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}
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return &ConnectParameters{
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OriginCert: p.OriginCert,
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CloudflaredID: cloudflaredID,
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NumPreviousAttempts: p.NumPreviousAttempts,
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}, nil
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}
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type TunnelServer interface {
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RegisterTunnel(ctx context.Context, originCert []byte, hostname string, options *RegistrationOptions) (*TunnelRegistration, error)
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GetServerInfo(ctx context.Context) (*ServerInfo, error)
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UnregisterTunnel(ctx context.Context, gracePeriodNanoSec int64) error
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Connect(ctx context.Context, paramaters *ConnectParameters) (*ConnectResult, error)
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}
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func TunnelServer_ServerToClient(s TunnelServer) tunnelrpc.TunnelServer {
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return tunnelrpc.TunnelServer_ServerToClient(TunnelServer_PogsImpl{s})
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}
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type TunnelServer_PogsImpl struct {
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impl TunnelServer
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}
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func (i TunnelServer_PogsImpl) RegisterTunnel(p tunnelrpc.TunnelServer_registerTunnel) error {
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originCert, err := p.Params.OriginCert()
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if err != nil {
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return err
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}
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hostname, err := p.Params.Hostname()
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if err != nil {
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return err
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}
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options, err := p.Params.Options()
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if err != nil {
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return err
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}
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pogsOptions, err := UnmarshalRegistrationOptions(options)
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if err != nil {
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return err
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}
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server.Ack(p.Options)
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registration, err := i.impl.RegisterTunnel(p.Ctx, originCert, hostname, pogsOptions)
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if err != nil {
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return err
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}
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result, err := p.Results.NewResult()
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if err != nil {
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return err
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}
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log.Info(registration.TunnelID)
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return MarshalTunnelRegistration(result, registration)
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}
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func (i TunnelServer_PogsImpl) GetServerInfo(p tunnelrpc.TunnelServer_getServerInfo) error {
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server.Ack(p.Options)
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serverInfo, err := i.impl.GetServerInfo(p.Ctx)
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if err != nil {
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return err
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}
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result, err := p.Results.NewResult()
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if err != nil {
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return err
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}
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return MarshalServerInfo(result, serverInfo)
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}
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func (i TunnelServer_PogsImpl) UnregisterTunnel(p tunnelrpc.TunnelServer_unregisterTunnel) error {
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gracePeriodNanoSec := p.Params.GracePeriodNanoSec()
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server.Ack(p.Options)
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return i.impl.UnregisterTunnel(p.Ctx, gracePeriodNanoSec)
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}
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func (i TunnelServer_PogsImpl) Connect(p tunnelrpc.TunnelServer_connect) error {
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paramaters, err := p.Params.Parameters()
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if err != nil {
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return err
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}
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pogsParameters, err := UnmarshalConnectParameters(paramaters)
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if err != nil {
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return err
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}
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server.Ack(p.Options)
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connectResult, err := i.impl.Connect(p.Ctx, pogsParameters)
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if err != nil {
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return err
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}
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result, err := p.Results.NewResult()
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if err != nil {
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return err
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}
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return MarshalConnectResult(result, connectResult)
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}
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type TunnelServer_PogsClient struct {
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Client capnp.Client
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Conn *rpc.Conn
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}
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func (c TunnelServer_PogsClient) Close() error {
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return c.Conn.Close()
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}
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func (c TunnelServer_PogsClient) RegisterTunnel(ctx context.Context, originCert []byte, hostname string, options *RegistrationOptions) (*TunnelRegistration, error) {
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client := tunnelrpc.TunnelServer{Client: c.Client}
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promise := client.RegisterTunnel(ctx, func(p tunnelrpc.TunnelServer_registerTunnel_Params) error {
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err := p.SetOriginCert(originCert)
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if err != nil {
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return err
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}
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err = p.SetHostname(hostname)
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if err != nil {
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return err
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}
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registrationOptions, err := p.NewOptions()
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if err != nil {
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return err
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}
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err = MarshalRegistrationOptions(registrationOptions, options)
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if err != nil {
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return err
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}
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return nil
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})
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retval, err := promise.Result().Struct()
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if err != nil {
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return nil, err
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}
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return UnmarshalTunnelRegistration(retval)
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}
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func (c TunnelServer_PogsClient) GetServerInfo(ctx context.Context) (*ServerInfo, error) {
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client := tunnelrpc.TunnelServer{Client: c.Client}
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promise := client.GetServerInfo(ctx, func(p tunnelrpc.TunnelServer_getServerInfo_Params) error {
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return nil
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})
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retval, err := promise.Result().Struct()
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if err != nil {
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return nil, err
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}
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return UnmarshalServerInfo(retval)
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}
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func (c TunnelServer_PogsClient) UnregisterTunnel(ctx context.Context, gracePeriodNanoSec int64) error {
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client := tunnelrpc.TunnelServer{Client: c.Client}
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promise := client.UnregisterTunnel(ctx, func(p tunnelrpc.TunnelServer_unregisterTunnel_Params) error {
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p.SetGracePeriodNanoSec(gracePeriodNanoSec)
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return nil
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})
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_, err := promise.Struct()
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return err
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}
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func (c TunnelServer_PogsClient) Connect(ctx context.Context,
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parameters *ConnectParameters,
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) (*ConnectResult, error) {
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client := tunnelrpc.TunnelServer{Client: c.Client}
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promise := client.Connect(ctx, func(p tunnelrpc.TunnelServer_connect_Params) error {
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connectParameters, err := p.NewParameters()
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if err != nil {
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return err
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}
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err = MarshalConnectParameters(connectParameters, parameters)
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if err != nil {
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return err
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}
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return nil
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})
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retval, err := promise.Result().Struct()
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if err != nil {
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return nil, err
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}
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return UnmarshalConnectResult(retval)
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}
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