status-go/server/pairing/client.go

401 lines
11 KiB
Go

package pairing
import (
"bytes"
"crypto/ecdsa"
"crypto/tls"
"crypto/x509"
"encoding/pem"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/http/cookiejar"
"net/url"
"github.com/btcsuite/btcutil/base58"
"github.com/status-im/status-go/api"
"github.com/status-im/status-go/logutils"
"github.com/status-im/status-go/signal"
)
type Client struct {
*http.Client
PayloadManager
rawMessagePayloadManager *RawMessagePayloadManager
installationPayloadManager *InstallationPayloadManager
baseAddress *url.URL
certPEM []byte
serverPK *ecdsa.PublicKey
serverMode Mode
serverCert *x509.Certificate
serverChallenge []byte
}
func NewPairingClient(backend *api.GethStatusBackend, c *ConnectionParams, config *AccountPayloadManagerConfig) (*Client, error) {
u, err := c.URL()
if err != nil {
return nil, err
}
serverCert, err := getServerCert(u)
if err != nil {
return nil, err
}
err = verifyCert(serverCert, c.publicKey)
if err != nil {
return nil, err
}
certPem := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: serverCert.Raw})
rootCAs, err := x509.SystemCertPool()
if err != nil {
return nil, err
}
if ok := rootCAs.AppendCertsFromPEM(certPem); !ok {
return nil, fmt.Errorf("failed to append certPem to rootCAs")
}
tr := &http.Transport{
TLSClientConfig: &tls.Config{
MinVersion: tls.VersionTLS12,
InsecureSkipVerify: false, // MUST BE FALSE
RootCAs: rootCAs,
},
}
cj, err := cookiejar.New(nil)
if err != nil {
return nil, err
}
logger := logutils.ZapLogger().Named("Client")
pm, err := NewAccountPayloadManager(c.aesKey, config, logger)
if err != nil {
return nil, err
}
rmpm, err := NewRawMessagePayloadManager(logger, pm.accountPayload, c.aesKey, backend, config.GetNodeConfig(), config.GetSettingCurrentNetwork(), config.GetDeviceType())
if err != nil {
return nil, err
}
ipm, err := NewInstallationPayloadManager(logger, c.aesKey, backend, config.GetDeviceType())
if err != nil {
return nil, err
}
return &Client{
Client: &http.Client{Transport: tr, Jar: cj},
baseAddress: u,
certPEM: certPem,
serverCert: serverCert,
serverPK: c.publicKey,
serverMode: c.serverMode,
PayloadManager: pm,
rawMessagePayloadManager: rmpm,
installationPayloadManager: ipm,
}, nil
}
func (c *Client) PairAccount() error {
switch c.serverMode {
case Receiving:
return c.sendAccountData()
case Sending:
err := c.getChallenge()
if err != nil {
return err
}
return c.receiveAccountData()
default:
return fmt.Errorf("unrecognised server mode '%d'", c.serverMode)
}
}
func (c *Client) PairSyncDevice() error {
switch c.serverMode {
case Receiving:
return c.sendSyncDeviceData()
case Sending:
return c.receiveSyncDeviceData()
default:
return fmt.Errorf("unrecognised server mode '%d'", c.serverMode)
}
}
// PairInstallation transfer installation data from receiver to sender.
// installation data from sender to receiver already processed within PairSyncDevice method on the receiver side.
func (c *Client) PairInstallation() error {
switch c.serverMode {
case Receiving:
return c.receiveInstallationData()
case Sending:
return c.sendInstallationData()
default:
return fmt.Errorf("unrecognised server mode '%d'", c.serverMode)
}
}
func (c *Client) sendInstallationData() error {
err := c.installationPayloadManager.Mount()
if err != nil {
return err
}
c.baseAddress.Path = pairingReceiveInstallation
req, err := http.NewRequest(http.MethodPost, c.baseAddress.String(), bytes.NewBuffer(c.installationPayloadManager.ToSend()))
if err != nil {
return err
}
req.Header.Set("Content-Type", "application/octet-stream")
if c.serverChallenge != nil {
ec, err := c.PayloadManager.EncryptPlain(c.serverChallenge)
if err != nil {
return err
}
req.Header.Set(sessionChallenge, base58.Encode(ec))
}
resp, err := c.Do(req)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingInstallation})
return err
}
if resp.StatusCode != http.StatusOK {
err = fmt.Errorf("[client] status not okay when sending installation data, status: %s", resp.Status)
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingInstallation})
return err
}
signal.SendLocalPairingEvent(Event{Type: EventTransferSuccess, Action: ActionPairingInstallation})
return nil
}
func (c *Client) sendSyncDeviceData() error {
err := c.rawMessagePayloadManager.Mount()
if err != nil {
return err
}
c.baseAddress.Path = pairingSyncDeviceReceive
resp, err := c.Post(c.baseAddress.String(), "application/octet-stream", bytes.NewBuffer(c.rawMessagePayloadManager.ToSend()))
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionSyncDevice})
return err
}
if resp.StatusCode != http.StatusOK {
err = fmt.Errorf("[client] status not okay when sending sync device data, status: %s", resp.Status)
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionSyncDevice})
return err
}
signal.SendLocalPairingEvent(Event{Type: EventTransferSuccess, Action: ActionSyncDevice})
return nil
}
func (c *Client) receiveInstallationData() error {
c.baseAddress.Path = pairingSendInstallation
req, err := http.NewRequest(http.MethodGet, c.baseAddress.String(), nil)
if err != nil {
return err
}
resp, err := c.Do(req)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingInstallation})
return err
}
if resp.StatusCode != http.StatusOK {
err = fmt.Errorf("[client] status not ok when receiving installation data, received '%s'", resp.Status)
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingInstallation})
return err
}
payload, err := io.ReadAll(resp.Body)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingInstallation})
return err
}
signal.SendLocalPairingEvent(Event{Type: EventTransferSuccess, Action: ActionPairingInstallation})
err = c.installationPayloadManager.Receive(payload)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventProcessError, Error: err.Error(), Action: ActionPairingInstallation})
return err
}
signal.SendLocalPairingEvent(Event{Type: EventProcessSuccess, Action: ActionPairingInstallation})
return nil
}
func (c *Client) receiveSyncDeviceData() error {
c.baseAddress.Path = pairingSyncDeviceSend
req, err := http.NewRequest(http.MethodGet, c.baseAddress.String(), nil)
if err != nil {
return err
}
if c.serverChallenge != nil {
ec, err := c.PayloadManager.EncryptPlain(c.serverChallenge)
if err != nil {
return err
}
req.Header.Set(sessionChallenge, base58.Encode(ec))
}
resp, err := c.Do(req)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionSyncDevice})
return err
}
if resp.StatusCode != http.StatusOK {
err = fmt.Errorf("[client] status not ok when receiving sync device data, received '%s'", resp.Status)
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionSyncDevice})
return err
}
payload, err := io.ReadAll(resp.Body)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionSyncDevice})
return err
}
signal.SendLocalPairingEvent(Event{Type: EventTransferSuccess, Action: ActionSyncDevice})
err = c.rawMessagePayloadManager.Receive(payload)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventProcessError, Error: err.Error(), Action: ActionSyncDevice})
return err
}
signal.SendLocalPairingEvent(Event{Type: EventProcessSuccess, Action: ActionSyncDevice})
return nil
}
func (c *Client) sendAccountData() error {
err := c.Mount()
if err != nil {
return err
}
c.baseAddress.Path = pairingReceiveAccount
resp, err := c.Post(c.baseAddress.String(), "application/octet-stream", bytes.NewBuffer(c.PayloadManager.ToSend()))
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingAccount})
return err
}
if resp.StatusCode != http.StatusOK {
err = fmt.Errorf("[client] status not ok when sending account data, received '%s'", resp.Status)
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingAccount})
return err
}
signal.SendLocalPairingEvent(Event{Type: EventTransferSuccess, Action: ActionPairingAccount})
c.PayloadManager.LockPayload()
return nil
}
func (c *Client) receiveAccountData() error {
c.baseAddress.Path = pairingSendAccount
req, err := http.NewRequest(http.MethodGet, c.baseAddress.String(), nil)
if err != nil {
return err
}
if c.serverChallenge != nil {
ec, err := c.PayloadManager.EncryptPlain(c.serverChallenge)
if err != nil {
return err
}
req.Header.Set(sessionChallenge, base58.Encode(ec))
}
resp, err := c.Do(req)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingAccount})
return err
}
if resp.StatusCode != http.StatusOK {
err = fmt.Errorf("[client] status not ok when receiving account data, received '%s'", resp.Status)
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingAccount})
return err
}
payload, err := io.ReadAll(resp.Body)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventTransferError, Error: err.Error(), Action: ActionPairingAccount})
return err
}
signal.SendLocalPairingEvent(Event{Type: EventTransferSuccess, Action: ActionPairingAccount})
err = c.PayloadManager.Receive(payload)
if err != nil {
signal.SendLocalPairingEvent(Event{Type: EventProcessError, Error: err.Error(), Action: ActionPairingAccount})
return err
}
signal.SendLocalPairingEvent(Event{Type: EventProcessSuccess, Action: ActionPairingAccount})
return nil
}
func (c *Client) getChallenge() error {
c.baseAddress.Path = pairingChallenge
resp, err := c.Get(c.baseAddress.String())
if err != nil {
return err
}
if resp.StatusCode != http.StatusOK {
return fmt.Errorf("[client] status not ok when getting challenge, received '%s'", resp.Status)
}
c.serverChallenge, err = ioutil.ReadAll(resp.Body)
return err
}
func StartUpPairingClient(backend *api.GethStatusBackend, cs, configJSON string) error {
c, err := setupClient(backend, cs, configJSON)
if err != nil {
return err
}
err = c.PairAccount()
if err != nil {
return err
}
err = c.PairSyncDevice()
if err != nil {
return err
}
return c.PairInstallation()
}
func setupClient(backend *api.GethStatusBackend, cs string, configJSON string) (*Client, error) {
ccp := new(ConnectionParams)
err := ccp.FromString(cs)
if err != nil {
return nil, err
}
conf, err := NewPayloadSourceForClient(configJSON, ccp.serverMode)
if err != nil {
return nil, err
}
accountPayloadManagerConfig := &AccountPayloadManagerConfig{DB: backend.GetMultiaccountDB(), PayloadSourceConfig: conf}
if ccp.serverMode == Sending {
updateLoggedInKeyUID(accountPayloadManagerConfig, backend)
}
c, err := NewPairingClient(backend, ccp, accountPayloadManagerConfig)
if err != nil {
return nil, err
}
return c, nil
}