From d0827244328ab36d5b7e85be44db4e281388b037 Mon Sep 17 00:00:00 2001 From: ycc Date: Thu, 31 Aug 2023 23:38:03 +0200 Subject: [PATCH] Integrate invitation process in router --- messages.pb.go | 374 ++++++++++++++++++++++--------------------- pb/messages.proto | 1 + server/invitation.go | 2 +- server/router.go | 47 +++++- 4 files changed, 234 insertions(+), 190 deletions(-) diff --git a/messages.pb.go b/messages.pb.go index b65ab4e..8c62b0f 100644 --- a/messages.pb.go +++ b/messages.pb.go @@ -102,6 +102,7 @@ type Invitation struct { Password string `protobuf:"bytes,4,opt,name=password,proto3" json:"password,omitempty"` Url string `protobuf:"bytes,5,opt,name=url,proto3" json:"url,omitempty"` Expiry int64 `protobuf:"varint,6,opt,name=expiry,proto3" json:"expiry,omitempty"` + Step int32 `protobuf:"varint,7,opt,name=step,proto3" json:"step,omitempty"` } func (x *Invitation) Reset() { @@ -178,6 +179,13 @@ func (x *Invitation) GetExpiry() int64 { return 0 } +func (x *Invitation) GetStep() int32 { + if x != nil { + return x.Step + } + return 0 +} + // structure defining a message for a server, that will be encrypted, then sent in a "packedmessage" payload type ToServerMessage struct { state protoimpl.MessageState @@ -1349,7 +1357,7 @@ var file_messages_proto_rawDesc = []byte{ 0x66, 0x72, 0x6f, 0x6d, 0x12, 0x18, 0x0a, 0x07, 0x70, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x07, 0x70, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x12, 0x1c, 0x0a, 0x09, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74, 0x75, 0x72, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, - 0x0c, 0x52, 0x09, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74, 0x75, 0x72, 0x65, 0x22, 0x9e, 0x01, 0x0a, + 0x0c, 0x52, 0x09, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74, 0x75, 0x72, 0x65, 0x22, 0xb2, 0x01, 0x0a, 0x0a, 0x49, 0x6e, 0x76, 0x69, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x18, 0x0a, 0x07, 0x70, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x07, 0x70, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 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a/server/invitation.go +++ b/server/invitation.go @@ -29,7 +29,7 @@ func (r *RedisRouter) GetInvitation(id string, password string) ([]byte, error) passRequired = true } if passRequired && password != expectedpass { - return nil, errors.New("invitation get : auth failed, wrong password") + return nil, errors.New("auth failed") } mwiv, err := r.Client.Get("mwiv:" + id).Result() if err != nil { diff --git a/server/router.go b/server/router.go index 210924b..3b9ba3c 100644 --- a/server/router.go +++ b/server/router.go @@ -10,10 +10,11 @@ import ( ) type RedisRouter struct { - Name string - ServerIdentity *Identity - Client *redis.Client - Context context.Context + Name string + ServerIdentity *Identity + Client *redis.Client + InvitationTimeout int + Context context.Context } func NewRedisRouter(server *Identity, url string, password string, db int) *RedisRouter { @@ -31,7 +32,8 @@ func NewRedisRouter(server *Identity, url string, password string, db int) *Redi func (r *RedisRouter) Route(msg *meowlib.ToServerMessage) (*meowlib.FromServerMessage, error) { var from_server meowlib.FromServerMessage - if len(msg.Messages) > 0 { // user message + // user message + if len(msg.Messages) > 0 { for _, usrmsg := range msg.Messages { // serialize the message to store it as byte array into redis out, err := proto.Marshal(usrmsg) @@ -42,6 +44,7 @@ func (r *RedisRouter) Route(msg *meowlib.ToServerMessage) (*meowlib.FromServerMe } from_server.UuidAck = msg.Uuid } + // check for messages if len(msg.PullRequest) > 0 { for _, rq := range msg.PullRequest { msgcnt, err := r.Client.ZCount(rq.LookupKey, "-inf", "+inf").Result() @@ -69,7 +72,7 @@ func (r *RedisRouter) Route(msg *meowlib.ToServerMessage) (*meowlib.FromServerMe } } - + // manage Matriochka if msg.MatriochkaMessage != nil { out, err := proto.Marshal(msg) if err != nil { @@ -81,9 +84,39 @@ func (r *RedisRouter) Route(msg *meowlib.ToServerMessage) (*meowlib.FromServerMe } from_server.UuidAck = msg.Uuid } - + // Server list exchange if len(msg.KnownServers) > 0 { + } + // Through server invitation process + if msg.Invitation != nil { + switch msg.Invitation.Step { + case 1: // create invitation + url, expiry := r.CreateInvitation(msg.Invitation.Payload, int(msg.Invitation.Timeout), msg.Invitation.Password, r.InvitationTimeout, int(msg.Invitation.Urllen)) + from_server.Invitation.Url = url + from_server.Invitation.Expiry = expiry.UTC().Unix() + case 2: // get invitation + invitation, err := r.GetInvitation(msg.Invitation.Url, msg.Invitation.Password) + if err != nil { + if err.Error() == "auth failed" { + from_server.Invitation.Payload = []byte("authentication failure") + } else { + from_server.Invitation.Payload = []byte("invitation expired") + } + } else { + from_server.Invitation.Payload = invitation + } + case 3: // answer invitation + expiry := r.AnswerInvitation(msg.Invitation.Url, int(msg.Invitation.Timeout), msg.Invitation.Payload, r.InvitationTimeout) + from_server.Invitation.Expiry = expiry.UTC().Unix() + case 4: // get answer + answer, err := r.GetInvitationAnswer(msg.Invitation.Url) + if err != nil { + from_server.Invitation.Payload = []byte("invitation expired") + } else { + from_server.Invitation.Payload = answer + } + } } /*