Browse Source

PeerServerConnection Definition and Tests

pull/8/head
Sarah Jamie Lewis 4 years ago
parent
commit
5f94e82347
  1. 1
      .gitignore
  2. 79
      client/connections/peerserverconnection.go
  3. 81
      client/connections/peerserverconnection_test.go
  4. 10
      client/connections/state.go
  5. 17
      client/cwtch_peer.go
  6. 5
      client/send/peer_send_channel.go
  7. 10
      client/send/peer_send_channel_test.go
  8. 5
      protocol/spam/spamguard.go
  9. 15
      testing/private_key

1
.gitignore

@ -0,0 +1 @@
*.out

79
client/connections/peerserverconnection.go

@ -0,0 +1,79 @@
package connections
import (
"github.com/s-rah/go-ricochet"
"github.com/s-rah/go-ricochet/connection"
"github.com/s-rah/go-ricochet/channels"
"github.com/s-rah/go-ricochet/identity"
"github.com/s-rah/go-ricochet/utils"
"git.mascherari.press/cwtch/client/send"
"git.mascherari.press/cwtch/protocol"
"time"
)
type PeerServerConnection struct {
connection.AutoConnectionHandler
Server string
state ConnectionState
connection connection.Connection
}
func NewPeerServerConnection(serverhostname string) *PeerServerConnection {
psc := new(PeerServerConnection)
psc.Server = serverhostname
psc.Init()
return psc
}
// GetState returns the current connection state
func (psc *PeerServerConnection) GetState() ConnectionState {
return psc.state
}
// Run manages the setup and teardown of a peer server connection
func (psc *PeerServerConnection) Run() error {
rc, err := goricochet.Open(psc.Server)
if err == nil {
psc.connection = *rc
psc.state = CONNECTED
pk, err := utils.GeneratePrivateKey()
if err == nil {
_, err := connection.HandleOutboundConnection(&psc.connection).ProcessAuthAsClient(identity.Initialize("cwtchpeer", pk))
if err == nil {
psc.state = AUTHENTICATED
psc.connection.Process(psc)
}
}
}
return err
}
// Break makes Run() return and prevents processing, but doesn't close the connection.
func (psc *PeerServerConnection) Break() error {
return psc.connection.Break()
}
func (psc *PeerServerConnection) SendGroupMessage(gm *protocol.GroupMessage) {
psc.connection.Do(func() error {
psc.connection.RequestOpenChannel("im.cwtch.server.send", &send.CwtchPeerSendChannel{})
return nil
})
// TODO We have to wait to receive the channel result before we can continue
// We should have a better mechanism for this kindof interaction
time.Sleep(time.Second * 1)
psc.connection.Do(func() error {
channel := psc.connection.Channel("im.cwtch.server.send", channels.Outbound)
if channel != nil {
sendchannel, ok := channel.Handler.(*send.CwtchPeerSendChannel)
if ok {
sendchannel.SendGroupMessage(gm)
}
}
return nil
})
}
func (psc *PeerServerConnection) HandleGroupMessage(*protocol.GroupMessage) {
}

81
client/connections/peerserverconnection_test.go

@ -0,0 +1,81 @@
package connections
import (
"crypto/rsa"
"github.com/s-rah/go-ricochet"
"github.com/s-rah/go-ricochet/connection"
"github.com/s-rah/go-ricochet/identity"
"github.com/s-rah/go-ricochet/utils"
"github.com/s-rah/go-ricochet/channels"
"git.mascherari.press/cwtch/server/send"
"git.mascherari.press/cwtch/protocol"
"net"
"testing"
"time"
)
func ServerAuthValid(hostname string, publicKey rsa.PublicKey) (allowed, known bool) {
return true, true
}
type TestServer struct {
connection.AutoConnectionHandler
Received bool
}
func (ts *TestServer) HandleGroupMessage(gm *protocol.GroupMessage) {
ts.Received = true
}
func runtestserver(t *testing.T, ts *TestServer) {
ln, _ := net.Listen("tcp", "127.0.0.1:5451")
conn, _ := ln.Accept()
defer conn.Close()
privateKey, err := utils.LoadPrivateKeyFromFile("../../testing/private_key")
if err != nil {
t.Errorf("Private Key Error %v", err)
}
rc, err := goricochet.NegotiateVersionInbound(conn)
if err != nil {
t.Errorf("Negotiate Version Error: %v", err)
}
err = connection.HandleInboundConnection(rc).ProcessAuthAsServer(identity.Initialize("", privateKey), ServerAuthValid)
if err != nil {
t.Errorf("ServerAuth Error: %v", err)
}
ts.RegisterChannelHandler("im.cwtch.server.send", func() channels.Handler {
server := new(send.CwtchServerSendChannel)
server.Handler = ts
return server
})
rc.Process(ts)
}
func TestPeerServerConnection(t *testing.T) {
ts := new(TestServer)
ts.Init()
go runtestserver(t, ts)
psc := NewPeerServerConnection("127.0.0.1:5451|kwke2hntvyfqm7dr")
state := psc.GetState()
if state != DISCONNECTED {
t.Errorf("new connections should start in disconnected state")
}
time.Sleep(time.Second * 1)
go psc.Run()
time.Sleep(time.Second * 2)
state = psc.GetState()
if state != AUTHENTICATED {
t.Errorf("connection should now be authed(%v), instead was %v", AUTHENTICATED, state)
}
gm := &protocol.GroupMessage{Ciphertext: []byte("hello")}
psc.SendGroupMessage(gm)
time.Sleep(time.Second * 2)
if ts.Received == false {
t.Errorf("Should have received a group message in test server")
}
}

10
client/connections/state.go

@ -0,0 +1,10 @@
package connections
type ConnectionState int
const (
DISCONNECTED ConnectionState = iota
CONNECTING
CONNECTED
AUTHENTICATED
)

17
client/cwtch_peer.go

@ -13,6 +13,20 @@ import (
"sync"
)
/**
ServerConnectionPool
background thread running Process()
pointer to connection
Probably worthwhile defining a type called PeerServerConnection to manage background() and other commmands!
PeerConnectionPool
Background thread running Process()
Pointer to connections
Move CwtchPeerChannel under peer/
Write tests for Peer Channel
*/
type CwtchPeerInstance struct {
rai *application.ApplicationInstance
ra *application.RicochetApplication
@ -173,3 +187,6 @@ func (cph *CwtchPeerHandler) ClientIdentity(ci *protocol.CwtchIdentity) {
func (cph *CwtchPeerHandler) HandleGroupInvite() {
}
func (cph *CwtchPeerHandler) HandleGroupMessage(gm *protocol.GroupMessage) {
}

5
client/send/peer_send_channel.go

@ -1,4 +1,4 @@
package listen
package send
import (
"errors"
@ -67,6 +67,7 @@ func (cplc *CwtchPeerSendChannel) OpenOutboundResult(err error, crm *Protocol_Da
cplc.channel.Pending = false
ce, _ := proto.GetExtension(crm, protocol.E_ServerNonce)
cplc.challenge = ce.([]byte)[:]
}
}
}
@ -74,7 +75,7 @@ func (cplc *CwtchPeerSendChannel) OpenOutboundResult(err error, crm *Protocol_Da
// SendGroupMessage performs the spamguard proof of work and sends a message.
func (cplc *CwtchPeerSendChannel) SendGroupMessage(gm *protocol.GroupMessage) {
sgsolve := cplc.spamGuard.SolveChallenge(cplc.challenge, gm.GetCiphertext())
gm.Spamguard = sgsolve
gm.Spamguard = sgsolve[:]
csp := &protocol.CwtchServerPacket{
GroupMessage: gm,
}

10
client/send/peer_send_channel_test.go

@ -1,4 +1,4 @@
package listen
package send
import (
"git.mascherari.press/cwtch/protocol"
@ -9,14 +9,6 @@ import (
"testing"
)
type TestHandler struct {
Received bool
}
func (th *TestHandler) HandleGroupMessage(m *protocol.GroupMessage) {
th.Received = true
}
func TestPeerSendChannelAttributes(t *testing.T) {
cssc := new(CwtchPeerSendChannel)
if cssc.Type() != "im.cwtch.server.send" {

5
protocol/spam/spamguard.go

@ -15,7 +15,6 @@ type SpamGuard struct {
nonce [24]byte
}
//GenerateChallenge returns a channel result packet with a spamguard challenge nonce
func (sg *SpamGuard) GenerateChallenge(channelID int32) []byte {
@ -75,8 +74,8 @@ func (sg *SpamGuard) SolveChallenge(challenge []byte, message []byte) []byte {
// ValidateChallenge returns true if the message and spamguard pass the challenge
func (sg *SpamGuard) ValidateChallenge(message []byte, spamguard []byte) bool {
if len(spamguard) != 24 {
return false
}
return false
}
solve := make([]byte, len(sg.nonce)+len(message)+len(spamguard))
copy(solve[0:], sg.nonce[:])
copy(solve[len(sg.nonce):], message[:])

15
testing/private_key

@ -0,0 +1,15 @@
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
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