/
registration.go
108 lines (101 loc) · 3.28 KB
/
registration.go
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package libsignal
import (
"encoding/base64"
"encoding/json"
"fmt"
"github.com/jckimble/golibsignal/axolotl"
"io"
"strings"
)
// NeedsRegistration checks if libsignal is initalized
func (s *Signal) NeedsRegistration() bool {
return !s.PreKeyStore.ContainsPreKey(0xFFFFFF)
}
// RequestCode sends code to phone for verification, allowed methods are sms and voice
func (s *Signal) RequestCode(method string) error {
tel, err := s.Config.GetTel()
if err != nil {
return err
}
b := make([]byte, 16)
randBytes(b[:])
if err := s.Config.SetHTTPPassword(base64EncWithoutPadding(b)); err != nil {
return err
}
return s.serverRequest("GET", fmt.Sprintf("/v1/accounts/%s/code/%s", method, tel), nil, "", map[int]interface{}{200: nil})
}
// VerifyCode verifies code sent to phone
func (s *Signal) VerifyCode(code string) error {
code = strings.Replace(code, "-", "", -1)
regid := randUint32() & 0x3fff
if err := s.IdentityStore.SetLocalRegistrationID(regid); err != nil {
return err
}
sk := make([]byte, 52)
randBytes(sk[:])
if err := s.Config.SetHTTPSignalingKey(sk); err != nil {
return err
}
vd := struct {
SignalingKey string `json:"signalingKey"`
RegistrationID uint32 `json:"registrationId"`
FetchesMessages bool `json:"fetchesMessages"`
}{
SignalingKey: base64.StdEncoding.EncodeToString(sk),
FetchesMessages: true,
RegistrationID: regid,
}
r, w := io.Pipe()
go func() {
defer w.Close()
json.NewEncoder(w).Encode(vd)
}()
return s.serverRequest("PUT", fmt.Sprintf("/v1/accounts/code/%s", code), r, "application/json", map[int]interface{}{204: nil})
}
// RegisterKeys creates and uploads keys to signal server, must be ran after verification
func (s *Signal) RegisterKeys() error {
identityKey := axolotl.GenerateIdentityKeyPair()
if err := s.IdentityStore.SetIdentityKeyPair(identityKey); err != nil {
return err
}
prekeys := generatePreKeys()
pks := struct {
IdentityKey string `json:"identityKey"`
PreKeys []*preKeyEntity `json:"preKeys"`
LastResortKey *preKeyEntity `json:"lastResortKey"`
SignedPreKey *preKeyEntity `json:"signedPreKey"`
}{
PreKeys: []*preKeyEntity{},
LastResortKey: &preKeyEntity{},
SignedPreKey: &preKeyEntity{},
}
signedKey := generateSignedPreKey(identityKey)
for i, key := range prekeys {
pks.PreKeys = append(pks.PreKeys, &preKeyEntity{
ID: *key.Pkrs.Id,
PublicKey: encodeKey(key.Pkrs.PublicKey),
})
if err := s.PreKeyStore.StorePreKey(i, key); err != nil {
return err
}
}
if err := s.SignedPreKeyStore.StoreSignedPreKey(*signedKey.Spkrs.Id, signedKey); err != nil {
return err
}
pks.SignedPreKey.ID = *signedKey.Spkrs.Id
pks.SignedPreKey.PublicKey = encodeKey(signedKey.Spkrs.PublicKey)
pks.SignedPreKey.Signature = base64EncWithoutPadding(signedKey.Spkrs.Signature)
pks.LastResortKey = pks.PreKeys[len(pks.PreKeys)-1]
pks.IdentityKey = base64EncWithoutPadding(identityKey.PublicKey.Serialize())
r, w := io.Pipe()
go func() {
defer w.Close()
json.NewEncoder(w).Encode(pks)
}()
return s.serverRequest("PUT", "/v2/keys/", r, "application/json", map[int]interface{}{204: nil})
}
/*
const getSocket = this.server.getProvisioningSocket.bind(this.server);
const queueTask = this.queueTask.bind(this);
const provisioningCipher = new libsignal.ProvisioningCipher();
*/