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use encrypted request for subscribe notifications

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This commit is contained in:
Jesse de Wit
2023-11-06 15:30:38 +01:00
parent 4be6d8c6a4
commit 743e880d9c
6 changed files with 167 additions and 72 deletions
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35
itest/lspd_node.go
View File

@@ -3,6 +3,7 @@ package itest
import (
"bufio"
"context"
"crypto/sha256"
"encoding/hex"
"encoding/json"
"flag"
@@ -18,9 +19,11 @@ import (
"github.com/breez/lspd/notifications"
lspd "github.com/breez/lspd/rpc"
"github.com/btcsuite/btcd/btcec/v2"
"github.com/btcsuite/btcd/btcec/v2/ecdsa"
"github.com/decred/dcrd/dcrec/secp256k1/v4"
ecies "github.com/ecies/go/v2"
"github.com/golang/protobuf/proto"
"github.com/stretchr/testify/assert"
"google.golang.org/grpc/metadata"
)
@@ -286,6 +289,38 @@ func RegisterPayment(l LspNode, paymentInfo *lspd.PaymentInformation, continueOn
return err
}
func SubscribeNotifications(l LspNode, b BreezClient, url string, continueOnError bool) error {
first := sha256.Sum256([]byte(url))
second := sha256.Sum256(first[:])
sig, err := ecdsa.SignCompact(b.Node().PrivateKey(), second[:], true)
assert.NoError(b.Harness().T, err)
request := notifications.SubscribeNotificationsRequest{
Url: url,
Signature: sig,
}
serialized, err := proto.Marshal(&request)
lntest.CheckError(l.Harness().T, err)
encrypted, err := ecies.Encrypt(l.EciesPublicKey(), serialized)
lntest.CheckError(l.Harness().T, err)
ctx := metadata.AppendToOutgoingContext(l.Harness().Ctx, "authorization", "Bearer hello")
log.Printf("Subscribing to notifications")
_, err = l.NotificationsRpc().SubscribeNotifications(
ctx,
&notifications.EncryptedNotificationRequest{
Blob: encrypted,
},
)
if !continueOnError {
lntest.CheckError(l.Harness().T, err)
}
return err
}
type FeeParamSetting struct {
Validity time.Duration
MinMsat uint64

33
itest/notification_test.go
View File

@@ -1,7 +1,6 @@
package itest
import (
"crypto/sha256"
"encoding/hex"
"encoding/json"
"fmt"
@@ -10,9 +9,7 @@ import (
"time"
"github.com/breez/lntest"
"github.com/breez/lspd/notifications"
lspd "github.com/breez/lspd/rpc"
"github.com/btcsuite/btcd/btcec/v2/ecdsa"
"github.com/stretchr/testify/assert"
)
@@ -86,15 +83,7 @@ func testOfflineNotificationPaymentRegistered(p *testParams) {
<-time.After(htlcInterceptorDelay)
url := "http://" + addr + "/api/v1/notify"
first := sha256.Sum256([]byte(url))
second := sha256.Sum256(first[:])
sig, err := ecdsa.SignCompact(p.BreezClient().Node().PrivateKey(), second[:], true)
assert.NoError(p.t, err)
p.lsp.NotificationsRpc().SubscribeNotifications(p.h.Ctx, &notifications.SubscribeNotificationsRequest{
Url: url,
Signature: sig,
})
SubscribeNotifications(p.lsp, p.BreezClient(), url, false)
log.Printf("Alice paying")
route := constructRoute(p.lsp.LightningNode(), p.BreezClient().Node(), channelId, lntest.NewShortChanIDFromString("1x0x0"), outerAmountMsat)
_, err = alice.PayViaRoute(outerAmountMsat, outerInvoice.paymentHash, outerInvoice.paymentSecret, route)
@@ -149,15 +138,7 @@ func testOfflineNotificationRegularForward(p *testParams) {
}()
url := "http://" + addr + "/api/v1/notify"
first := sha256.Sum256([]byte(url))
second := sha256.Sum256(first[:])
sig, err := ecdsa.SignCompact(p.BreezClient().Node().PrivateKey(), second[:], true)
assert.NoError(p.t, err)
p.lsp.NotificationsRpc().SubscribeNotifications(p.h.Ctx, &notifications.SubscribeNotificationsRequest{
Url: url,
Signature: sig,
})
SubscribeNotifications(p.lsp, p.BreezClient(), url, false)
<-time.After(time.Second * 2)
log.Printf("Adding bob's invoice")
@@ -303,15 +284,7 @@ func testOfflineNotificationZeroConfChannel(p *testParams) {
}()
url := "http://" + addr + "/api/v1/notify"
first := sha256.Sum256([]byte(url))
second := sha256.Sum256(first[:])
sig, err := ecdsa.SignCompact(p.BreezClient().Node().PrivateKey(), second[:], true)
assert.NoError(p.t, err)
p.lsp.NotificationsRpc().SubscribeNotifications(p.h.Ctx, &notifications.SubscribeNotificationsRequest{
Url: url,
Signature: sig,
})
SubscribeNotifications(p.lsp, p.BreezClient(), url, false)
log.Printf("Alice paying zero conf invoice")
payResp := alice.Pay(invoiceWithHint)

129
notifications/notifications.pb.go
View File

@@ -1,7 +1,7 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.28.1
// protoc v3.21.12
// protoc v4.23.4
// source: notifications.proto
package notifications
@@ -20,6 +20,53 @@ const (
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
type EncryptedNotificationRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Blob []byte `protobuf:"bytes,1,opt,name=blob,proto3" json:"blob,omitempty"`
}
func (x *EncryptedNotificationRequest) Reset() {
*x = EncryptedNotificationRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_notifications_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *EncryptedNotificationRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*EncryptedNotificationRequest) ProtoMessage() {}
func (x *EncryptedNotificationRequest) ProtoReflect() protoreflect.Message {
mi := &file_notifications_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use EncryptedNotificationRequest.ProtoReflect.Descriptor instead.
func (*EncryptedNotificationRequest) Descriptor() ([]byte, []int) {
return file_notifications_proto_rawDescGZIP(), []int{0}
}
func (x *EncryptedNotificationRequest) GetBlob() []byte {
if x != nil {
return x.Blob
}
return nil
}
type SubscribeNotificationsRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -32,7 +79,7 @@ type SubscribeNotificationsRequest struct {
func (x *SubscribeNotificationsRequest) Reset() {
*x = SubscribeNotificationsRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_notifications_proto_msgTypes[0]
mi := &file_notifications_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -45,7 +92,7 @@ func (x *SubscribeNotificationsRequest) String() string {
func (*SubscribeNotificationsRequest) ProtoMessage() {}
func (x *SubscribeNotificationsRequest) ProtoReflect() protoreflect.Message {
mi := &file_notifications_proto_msgTypes[0]
mi := &file_notifications_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -58,7 +105,7 @@ func (x *SubscribeNotificationsRequest) ProtoReflect() protoreflect.Message {
// Deprecated: Use SubscribeNotificationsRequest.ProtoReflect.Descriptor instead.
func (*SubscribeNotificationsRequest) Descriptor() ([]byte, []int) {
return file_notifications_proto_rawDescGZIP(), []int{0}
return file_notifications_proto_rawDescGZIP(), []int{1}
}
func (x *SubscribeNotificationsRequest) GetUrl() string {
@@ -84,7 +131,7 @@ type SubscribeNotificationsReply struct {
func (x *SubscribeNotificationsReply) Reset() {
*x = SubscribeNotificationsReply{}
if protoimpl.UnsafeEnabled {
mi := &file_notifications_proto_msgTypes[1]
mi := &file_notifications_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@@ -97,7 +144,7 @@ func (x *SubscribeNotificationsReply) String() string {
func (*SubscribeNotificationsReply) ProtoMessage() {}
func (x *SubscribeNotificationsReply) ProtoReflect() protoreflect.Message {
mi := &file_notifications_proto_msgTypes[1]
mi := &file_notifications_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@@ -110,7 +157,7 @@ func (x *SubscribeNotificationsReply) ProtoReflect() protoreflect.Message {
// Deprecated: Use SubscribeNotificationsReply.ProtoReflect.Descriptor instead.
func (*SubscribeNotificationsReply) Descriptor() ([]byte, []int) {
return file_notifications_proto_rawDescGZIP(), []int{1}
return file_notifications_proto_rawDescGZIP(), []int{2}
}
var File_notifications_proto protoreflect.FileDescriptor
@@ -118,25 +165,28 @@ var File_notifications_proto protoreflect.FileDescriptor
var file_notifications_proto_rawDesc = []byte{
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}
var (
@@ -151,14 +201,15 @@ func file_notifications_proto_rawDescGZIP() []byte {
return file_notifications_proto_rawDescData
}
var file_notifications_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_notifications_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
var file_notifications_proto_goTypes = []interface{}{
(*SubscribeNotificationsRequest)(nil), // 0: notifications.SubscribeNotificationsRequest
(*SubscribeNotificationsReply)(nil), // 1: notifications.SubscribeNotificationsReply
(*EncryptedNotificationRequest)(nil), // 0: notifications.EncryptedNotificationRequest
(*SubscribeNotificationsRequest)(nil), // 1: notifications.SubscribeNotificationsRequest
(*SubscribeNotificationsReply)(nil), // 2: notifications.SubscribeNotificationsReply
}
var file_notifications_proto_depIdxs = []int32{
0, // 0: notifications.Notifications.SubscribeNotifications:input_type -> notifications.SubscribeNotificationsRequest
1, // 1: notifications.Notifications.SubscribeNotifications:output_type -> notifications.SubscribeNotificationsReply
0, // 0: notifications.Notifications.SubscribeNotifications:input_type -> notifications.EncryptedNotificationRequest
2, // 1: notifications.Notifications.SubscribeNotifications:output_type -> notifications.SubscribeNotificationsReply
1, // [1:2] is the sub-list for method output_type
0, // [0:1] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
@@ -173,7 +224,7 @@ func file_notifications_proto_init() {
}
if !protoimpl.UnsafeEnabled {
file_notifications_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SubscribeNotificationsRequest); i {
switch v := v.(*EncryptedNotificationRequest); i {
case 0:
return &v.state
case 1:
@@ -185,6 +236,18 @@ func file_notifications_proto_init() {
}
}
file_notifications_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SubscribeNotificationsRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_notifications_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*SubscribeNotificationsReply); i {
case 0:
return &v.state
@@ -203,7 +266,7 @@ func file_notifications_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_notifications_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumMessages: 3,
NumExtensions: 0,
NumServices: 1,
},

6
notifications/notifications.proto
View File

@@ -5,10 +5,14 @@ option go_package = "github.com/breez/lspd/notifications";
package notifications;
service Notifications {
rpc SubscribeNotifications(SubscribeNotificationsRequest)
rpc SubscribeNotifications(EncryptedNotificationRequest)
returns (SubscribeNotificationsReply) {}
}
message EncryptedNotificationRequest {
bytes blob = 1;
}
message SubscribeNotificationsRequest {
string url = 1;
bytes signature = 2;

14
notifications/notifications_grpc.pb.go
View File

@@ -1,7 +1,7 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
// versions:
// - protoc-gen-go-grpc v1.2.0
// - protoc v3.21.12
// - protoc v4.23.4
// source: notifications.proto
package notifications
@@ -22,7 +22,7 @@ const _ = grpc.SupportPackageIsVersion7
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type NotificationsClient interface {
SubscribeNotifications(ctx context.Context, in *SubscribeNotificationsRequest, opts ...grpc.CallOption) (*SubscribeNotificationsReply, error)
SubscribeNotifications(ctx context.Context, in *EncryptedNotificationRequest, opts ...grpc.CallOption) (*SubscribeNotificationsReply, error)
}
type notificationsClient struct {
@@ -33,7 +33,7 @@ func NewNotificationsClient(cc grpc.ClientConnInterface) NotificationsClient {
return &notificationsClient{cc}
}
func (c *notificationsClient) SubscribeNotifications(ctx context.Context, in *SubscribeNotificationsRequest, opts ...grpc.CallOption) (*SubscribeNotificationsReply, error) {
func (c *notificationsClient) SubscribeNotifications(ctx context.Context, in *EncryptedNotificationRequest, opts ...grpc.CallOption) (*SubscribeNotificationsReply, error) {
out := new(SubscribeNotificationsReply)
err := c.cc.Invoke(ctx, "/notifications.Notifications/SubscribeNotifications", in, out, opts...)
if err != nil {
@@ -46,7 +46,7 @@ func (c *notificationsClient) SubscribeNotifications(ctx context.Context, in *Su
// All implementations must embed UnimplementedNotificationsServer
// for forward compatibility
type NotificationsServer interface {
SubscribeNotifications(context.Context, *SubscribeNotificationsRequest) (*SubscribeNotificationsReply, error)
SubscribeNotifications(context.Context, *EncryptedNotificationRequest) (*SubscribeNotificationsReply, error)
mustEmbedUnimplementedNotificationsServer()
}
@@ -54,7 +54,7 @@ type NotificationsServer interface {
type UnimplementedNotificationsServer struct {
}
func (UnimplementedNotificationsServer) SubscribeNotifications(context.Context, *SubscribeNotificationsRequest) (*SubscribeNotificationsReply, error) {
func (UnimplementedNotificationsServer) SubscribeNotifications(context.Context, *EncryptedNotificationRequest) (*SubscribeNotificationsReply, error) {
return nil, status.Errorf(codes.Unimplemented, "method SubscribeNotifications not implemented")
}
func (UnimplementedNotificationsServer) mustEmbedUnimplementedNotificationsServer() {}
@@ -71,7 +71,7 @@ func RegisterNotificationsServer(s grpc.ServiceRegistrar, srv NotificationsServe
}
func _Notifications_SubscribeNotifications_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(SubscribeNotificationsRequest)
in := new(EncryptedNotificationRequest)
if err := dec(in); err != nil {
return nil, err
}
@@ -83,7 +83,7 @@ func _Notifications_SubscribeNotifications_Handler(srv interface{}, ctx context.
FullMethod: "/notifications.Notifications/SubscribeNotifications",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(NotificationsServer).SubscribeNotifications(ctx, req.(*SubscribeNotificationsRequest))
return srv.(NotificationsServer).SubscribeNotifications(ctx, req.(*EncryptedNotificationRequest))
}
return interceptor(ctx, in, info, handler)
}

22
notifications/server.go
View File

@@ -7,7 +7,10 @@ import (
"fmt"
"log"
lspdrpc "github.com/breez/lspd/rpc"
"github.com/btcsuite/btcd/btcec/v2/ecdsa"
ecies "github.com/ecies/go/v2"
"github.com/golang/protobuf/proto"
)
var ErrInvalidSignature = fmt.Errorf("invalid signature")
@@ -26,8 +29,25 @@ func NewNotificationsServer(store Store) NotificationsServer {
func (s *server) SubscribeNotifications(
ctx context.Context,
request *SubscribeNotificationsRequest,
in *EncryptedNotificationRequest,
) (*SubscribeNotificationsReply, error) {
node, _, err := lspdrpc.GetNode(ctx)
if err != nil {
return nil, err
}
data, err := ecies.Decrypt(node.EciesPrivateKey, in.Blob)
if err != nil {
return nil, fmt.Errorf("ecies.Decrypt(%x) error: %w", in.Blob, err)
}
var request SubscribeNotificationsRequest
err = proto.Unmarshal(data, &request)
if err != nil {
log.Printf("proto.Unmarshal(%x) error: %v", data, err)
return nil, fmt.Errorf("proto.Unmarshal(%x) error: %w", data, err)
}
first := sha256.Sum256([]byte(request.Url))
second := sha256.Sum256(first[:])
pubkey, wasCompressed, err := ecdsa.RecoverCompact(