status-go/server/pairing/payload_mounter.go

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package pairing
import (
"go.uber.org/zap"
"github.com/status-im/status-go/api"
"github.com/status-im/status-go/multiaccounts"
)
type PayloadMounter interface {
PayloadLocker
// Mount Loads the payload into the PayloadManager's state
Mount() error
// ToSend returns an outbound safe (encrypted) payload
ToSend() []byte
}
type PayloadLoader interface {
Load() error
}
type BasePayloadMounter struct {
*PayloadLockPayload
*PayloadToSend
loader PayloadLoader
marshaller ProtobufMarshaller
encryptor *PayloadEncryptor
}
func NewBasePayloadMounter(loader PayloadLoader, marshaller ProtobufMarshaller, e *PayloadEncryptor) *BasePayloadMounter {
return &BasePayloadMounter{
PayloadLockPayload: &PayloadLockPayload{e},
PayloadToSend: &PayloadToSend{e},
loader: loader,
marshaller: marshaller,
encryptor: e,
}
}
// Mount loads and prepares the payload to be stored in the PayloadLoader's state ready for later access
func (bpm *BasePayloadMounter) Mount() error {
err := bpm.loader.Load()
if err != nil {
return err
}
p, err := bpm.marshaller.MarshalProtobuf()
if err != nil {
return err
}
return bpm.encryptor.encrypt(p)
}
/*
|--------------------------------------------------------------------------
| AccountPayload
|--------------------------------------------------------------------------
|
| AccountPayloadMounter, AccountPayloadLoader and AccountPayloadMarshaller
|
*/
// NewAccountPayloadMounter generates a new and initialised AccountPayload flavoured BasePayloadMounter
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// responsible for the whole lifecycle of an AccountPayload
func NewAccountPayloadMounter(pe *PayloadEncryptor, config *SenderConfig, logger *zap.Logger) (*BasePayloadMounter, error) {
l := logger.Named("AccountPayloadLoader")
l.Debug("fired", zap.Any("config", config))
pe = pe.Renew()
// A new SHARED AccountPayload
p := new(AccountPayload)
apl, err := NewAccountPayloadLoader(p, config)
if err != nil {
return nil, err
}
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return NewBasePayloadMounter(
apl,
NewPairingPayloadMarshaller(p, l),
pe,
), nil
}
// AccountPayloadLoader is responsible for loading, parsing and validating AccountPayload data
type AccountPayloadLoader struct {
*AccountPayload
multiaccountsDB *multiaccounts.Database
keystorePath string
keyUID string
}
func NewAccountPayloadLoader(p *AccountPayload, config *SenderConfig) (*AccountPayloadLoader, error) {
ppr := &AccountPayloadLoader{
AccountPayload: p,
}
if config == nil {
return ppr, nil
}
ppr.multiaccountsDB = config.DB
ppr.keyUID = config.KeyUID
ppr.password = config.Password
ppr.keystorePath = config.KeystorePath
return ppr, nil
}
func (apl *AccountPayloadLoader) Load() error {
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apl.keys = make(map[string][]byte)
err := loadKeys(apl.keys, apl.keystorePath)
if err != nil {
return err
}
err = validateKeys(apl.keys, apl.password)
if err != nil {
return err
}
apl.multiaccount, err = apl.multiaccountsDB.GetAccount(apl.keyUID)
if err != nil {
return err
}
return nil
}
/*
|--------------------------------------------------------------------------
| RawMessagePayload
|--------------------------------------------------------------------------
|
| RawMessagePayloadMounter and RawMessageLoader
|
*/
// NewRawMessagePayloadMounter generates a new and initialised RawMessagePayload flavoured BasePayloadMounter
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// responsible for the whole lifecycle of an RawMessagePayload
func NewRawMessagePayloadMounter(logger *zap.Logger, pe *PayloadEncryptor, backend *api.GethStatusBackend, config *SenderConfig) *BasePayloadMounter {
pe = pe.Renew()
payload := NewRawMessagesPayload()
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return NewBasePayloadMounter(
NewRawMessageLoader(backend, payload, config),
NewRawMessagePayloadMarshaller(payload),
pe,
)
}
type RawMessageLoader struct {
payload *RawMessagesPayload
syncRawMessageHandler *SyncRawMessageHandler
keyUID string
deviceType string
}
func NewRawMessageLoader(backend *api.GethStatusBackend, payload *RawMessagesPayload, config *SenderConfig) *RawMessageLoader {
return &RawMessageLoader{
syncRawMessageHandler: NewSyncRawMessageHandler(backend),
payload: payload,
keyUID: config.KeyUID,
deviceType: config.DeviceType,
}
}
func (r *RawMessageLoader) Load() (err error) {
r.payload.rawMessages, r.payload.subAccounts, r.payload.setting, err = r.syncRawMessageHandler.PrepareRawMessage(r.keyUID, r.deviceType)
return err
}
/*
|--------------------------------------------------------------------------
| InstallationPayload
|--------------------------------------------------------------------------
|
| InstallationPayloadMounter and InstallationPayloadLoader
|
*/
// NewInstallationPayloadMounter generates a new and initialised InstallationPayload flavoured BasePayloadMounter
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// responsible for the whole lifecycle of an InstallationPayload
func NewInstallationPayloadMounter(pe *PayloadEncryptor, backend *api.GethStatusBackend, deviceType string) *BasePayloadMounter {
pe = pe.Renew()
payload := NewRawMessagesPayload()
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return NewBasePayloadMounter(
NewInstallationPayloadLoader(backend, payload, deviceType),
NewRawMessagePayloadMarshaller(payload),
pe,
)
}
type InstallationPayloadLoader struct {
payload *RawMessagesPayload
syncRawMessageHandler *SyncRawMessageHandler
deviceType string
}
func NewInstallationPayloadLoader(backend *api.GethStatusBackend, payload *RawMessagesPayload, deviceType string) *InstallationPayloadLoader {
return &InstallationPayloadLoader{
payload: payload,
syncRawMessageHandler: NewSyncRawMessageHandler(backend),
deviceType: deviceType,
}
}
func (r *InstallationPayloadLoader) Load() error {
rawMessageCollector := new(RawMessageCollector)
err := r.syncRawMessageHandler.CollectInstallationData(rawMessageCollector, r.deviceType)
if err != nil {
return err
}
rms := rawMessageCollector.convertToSyncRawMessage()
r.payload.rawMessages = rms.RawMessages
return nil
}
/*
|--------------------------------------------------------------------------
| PayloadMounters
|--------------------------------------------------------------------------
|
| Funcs for all PayloadMounters AccountPayloadMounter, RawMessagePayloadMounter and InstallationPayloadMounter
|
*/
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// NewPayloadMounters returns PayloadMounter s configured to handle local pairing transfers of:
// - AccountPayload, RawMessagePayload and InstallationPayload
func NewPayloadMounters(logger *zap.Logger, pe *PayloadEncryptor, backend *api.GethStatusBackend, config *SenderConfig) (PayloadMounter, PayloadMounter, PayloadMounterReceiver, error) {
am, err := NewAccountPayloadMounter(pe, config, logger)
if err != nil {
return nil, nil, nil, err
}
rmm := NewRawMessagePayloadMounter(logger, pe, backend, config)
imr := NewInstallationPayloadMounterReceiver(pe, backend, config.DeviceType)
return am, rmm, imr, nil
}