Add test for thread utility

acltree/aclstate.go

@@ -110,8 +110,11 @@ func (st *ACLState) applyChange(change *pb.ACLChange) (err error) {
 		}
 		st.currentReadKeyHash = change.CurrentReadKeyHash
 	}()
+
 	// we can't check this for the user which is joining, because it will not be in our list
-	if !st.isUserJoin(change) {
+	// the same is for the first change to be added
+	skipIdentityCheck := st.isUserJoin(change) || (st.currentReadKeyHash == 0 && st.isUserAdd(change))
+	if !skipIdentityCheck {
 		// we check signature when we add this to the Tree, so no need to do it here
 		if _, exists := st.userStates[change.Identity]; !exists {
 			err = ErrNoSuchUser
@@ -320,6 +323,12 @@ func (st *ACLState) isUserJoin(ch *pb.ACLChange) bool {
 	return ch.AclData.GetAclContent() != nil && ch.AclData.GetAclContent()[0].GetUserJoin() != nil
 }
 
+func (st *ACLState) isUserAdd(ch *pb.ACLChange) bool {
+	// if we have a UserAdd, then it should always be the first one applied
+	userAdd := ch.AclData.GetAclContent()[0].GetUserAdd()
+	return ch.AclData.GetAclContent() != nil && userAdd != nil && userAdd.GetIdentity() == ch.Identity
+}
+
 func (st *ACLState) getPermissionDecreasedUsers(ch *pb.ACLChange) (identities []*pb.ACLChangeUserPermissionChange) {
 	// this should be called after general checks are completed
 	if ch.GetAclData().GetAclContent() == nil {

acltree/changebuilder.go

@@ -8,6 +8,7 @@ import (
 	"github.com/gogo/protobuf/proto"
 	"github.com/textileio/go-threads/crypto/symmetric"
 	"hash/fnv"
+	"time"
 )
 
 type MarshalledChange = []byte
@@ -105,28 +106,16 @@ func (c *changeBuilder) UserAdd(identity string, encryptionKey keys.EncryptionPu
 }
 
 func (c *changeBuilder) BuildAndApply() (*Change, []byte, error) {
-	marshalled, err := c.changeContent.Marshal()
-	if err != nil {
-		return nil, nil, err
-	}
-
-	encrypted, err := c.aclState.userReadKeys[c.aclState.currentReadKeyHash].
-		Encrypt(marshalled)
-	if err != nil {
-		return nil, nil, err
-	}
-
 	aclChange := &pb.ACLChange{
 		TreeHeadIds:        c.tree.Heads(),
 		AclHeadIds:         c.tree.ACLHeads(),
 		SnapshotBaseId:     c.tree.RootId(),
 		AclData:            c.aclData,
-		ChangesData:        encrypted,
-		CurrentReadKeyHash: c.aclState.currentReadKeyHash,
-		Timestamp:          0,
+		CurrentReadKeyHash: c.readKeyHash,
+		Timestamp:          int64(time.Now().Nanosecond()),
 		Identity:           c.acc.Identity,
 	}
-	err = c.aclState.applyChange(aclChange)
+	err := c.aclState.applyChange(aclChange)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -135,6 +124,21 @@ func (c *changeBuilder) BuildAndApply() (*Change, []byte, error) {
 		c.aclData.AclSnapshot = c.aclState.makeSnapshot()
 	}
 
+	var marshalled []byte
+	if c.changeContent != nil {
+		marshalled, err = c.changeContent.Marshal()
+		if err != nil {
+			return nil, nil, err
+		}
+
+		encrypted, err := c.aclState.userReadKeys[c.aclState.currentReadKeyHash].
+			Encrypt(marshalled)
+		if err != nil {
+			return nil, nil, err
+		}
+		aclChange.ChangesData = encrypted
+	}
+
 	fullMarshalledChange, err := proto.Marshal(aclChange)
 	if err != nil {
 		return nil, nil, err

acltree/threadutility.go

@@ -31,5 +31,12 @@ func BuildThreadWithACL(
 		Signature: change.Signature(),
 		Id:        change.CID(),
 	}
-	return create(rawChange)
+
+	thr, err := create(rawChange)
+	if err != nil {
+		return nil, err
+	}
+
+	thr.SetHeads([]string{change.CID()})
+	return thr, nil
 }

acltree/threadutility_test.go

@@ -0,0 +1,51 @@
+package acltree
+
+import (
+	"context"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/account"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/aclchanges/pb"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/testutils/threadbuilder"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/thread"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestBuildThreadWithACL(t *testing.T) {
+	keychain := threadbuilder.NewKeychain()
+	keychain.AddSigningKey("A")
+	keychain.AddEncryptionKey("A")
+	data := &account.AccountData{
+		Identity: keychain.GetIdentity("A"),
+		SignKey:  keychain.SigningKeys["A"],
+		EncKey:   keychain.EncryptionKeys["A"],
+	}
+	thr, err := BuildThreadWithACL(
+		data,
+		func(builder ChangeBuilder) error {
+			return builder.UserAdd(
+				keychain.GetIdentity("A"),
+				keychain.EncryptionKeys["A"].GetPublic(),
+				pb.ACLChange_Admin)
+		},
+		thread.NewInMemoryThread)
+	if err != nil {
+		t.Fatalf("build should not return error")
+	}
+	if len(thr.Heads()) == 0 {
+		t.Fatalf("thread should have non-empty heads")
+	}
+	if thr.Header() == nil {
+		t.Fatalf("thread should have non-empty header")
+	}
+	assert.Equal(t, thr.Heads()[0], thr.Header().FirstChangeId)
+	assert.NotEmpty(t, thr.ID())
+	ch, err := thr.GetChange(context.Background(), thr.Header().FirstChangeId)
+	if err != nil {
+		t.Fatalf("get change should not return error: %v", err)
+	}
+
+	_, err = NewFromRawChange(ch)
+	if err != nil {
+		t.Fatalf("we should be able to unmarshall change: %v", err)
+	}
+}