Official cwtch.im peer and server implementations. https://cwtch.im
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package model
import (
"strconv"
"testing"
"time"
)
func TestMessagePadding(t *testing.T) {
// Setup the Group
sarah := GenerateNewProfile("Sarah")
alice := GenerateNewProfile("Alice")
sarah.AddContact(alice.Onion, &alice.PublicProfile)
alice.AddContact(sarah.Onion, &sarah.PublicProfile)
gid, invite, _ := alice.StartGroup("2c3kmoobnyghj2zw6pwv7d57yzld753auo3ugauezzpvfak3ahc4bdyd")
sarah.ProcessInvite(invite)
group := alice.GetGroup(gid)
c1, s1, err := sarah.EncryptMessageToGroup("Hello World 1", group.GroupID)
t.Logf("Length of Encrypted Message: %v %v", len(c1), err)
alice.AttemptDecryption(c1, s1)
c2, s2, _ := alice.EncryptMessageToGroup("Hello World 2", group.GroupID)
t.Logf("Length of Encrypted Message: %v", len(c2))
alice.AttemptDecryption(c2, s2)
c3, s3, _ := alice.EncryptMessageToGroup("Hello World 3", group.GroupID)
t.Logf("Length of Encrypted Message: %v", len(c3))
alice.AttemptDecryption(c3, s3)
c4, s4, _ := alice.EncryptMessageToGroup("Hello World this is a much longer message 3", group.GroupID)
t.Logf("Length of Encrypted Message: %v", len(c4))
alice.AttemptDecryption(c4, s4)
}
func TestTranscriptConsistency(t *testing.T) {
timeline := new(Timeline)
// Setup the Group
sarah := GenerateNewProfile("Sarah")
alice := GenerateNewProfile("Alice")
sarah.AddContact(alice.Onion, &alice.PublicProfile)
alice.AddContact(sarah.Onion, &sarah.PublicProfile)
// The lightest weight server entry possible (usually we would import a key bundle...)
sarah.AddContact("2c3kmoobnyghj2zw6pwv7d57yzld753auo3ugauezzpvfak3ahc4bdyd", &PublicProfile{Attributes: map[string]string{string(KeyTypeServerOnion): "2c3kmoobnyghj2zw6pwv7d57yzld753auo3ugauezzpvfak3ahc4bdyd"}})
gid, invite, _ := alice.StartGroup("2c3kmoobnyghj2zw6pwv7d57yzld753auo3ugauezzpvfak3ahc4bdyd")
sarah.ProcessInvite(invite)
group := alice.GetGroup(gid)
t.Logf("group: %v, sarah %v", group, sarah)
c1, s1, _ := alice.EncryptMessageToGroup("Hello World 1", group.GroupID)
t.Logf("Length of Encrypted Message: %v", len(c1))
alice.AttemptDecryption(c1, s1)
c2, s2, _ := alice.EncryptMessageToGroup("Hello World 2", group.GroupID)
t.Logf("Length of Encrypted Message: %v", len(c2))
alice.AttemptDecryption(c2, s2)
c3, s3, _ := alice.EncryptMessageToGroup("Hello World 3", group.GroupID)
t.Logf("Length of Encrypted Message: %v", len(c3))
alice.AttemptDecryption(c3, s3)
time.Sleep(time.Second * 1)
c4, s4, _ := alice.EncryptMessageToGroup("Hello World 4", group.GroupID)
t.Logf("Length of Encrypted Message: %v", len(c4))
alice.AttemptDecryption(c4, s4)
c5, s5, _ := alice.EncryptMessageToGroup("Hello World 5", group.GroupID)
t.Logf("Length of Encrypted Message: %v", len(c5))
_, _, m1, _ := sarah.AttemptDecryption(c1, s1)
sarah.AttemptDecryption(c1, s1) // Try a duplicate
_, _, m2, _ := sarah.AttemptDecryption(c2, s2)
_, _, m3, _ := sarah.AttemptDecryption(c3, s3)
_, _, m4, _ := sarah.AttemptDecryption(c4, s4)
_, _, m5, _ := sarah.AttemptDecryption(c5, s5)
// Now we simulate a client receiving these Messages completely out of order
timeline.Insert(m1)
timeline.Insert(m5)
timeline.Insert(m4)
timeline.Insert(m3)
timeline.Insert(m2)
for i, m := range group.GetTimeline() {
if m.Message != "Hello World "+strconv.Itoa(i+1) {
t.Fatalf("Timeline Out of Order!: %v %v", i, m)
}
t.Logf("Messages %v: %v %x %x", i, m.Message, m.Signature, m.PreviousMessageSig)
}
// Test message by hash lookup...
hash := timeline.calculateHash(*m5)
t.Logf("Looking up %v ", hash)
for key, msgs := range timeline.hashCache {
t.Logf("%v %v", key, msgs)
}
// check a real message..
msgs, err := timeline.GetMessagesByHash(hash)
if err != nil || len(msgs) != 1 {
t.Fatalf("looking up message by hash %v should have not errored: %v", hash, err)
} else if msgs[0].Message.Message != m5.Message {
t.Fatalf("%v != %v", msgs[0].Message, m5.Message)
}
// Check a non existed hash... error if there is no error
_, err = timeline.GetMessagesByHash("not a real hash")
if err == nil {
t.Fatalf("looking up message by hash %v should have errored: %v", hash, err)
}
}