330 lines
9.7 KiB
Go
330 lines
9.7 KiB
Go
package acllistbuilder
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/aclrecordproto"
|
|
"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/storage"
|
|
"github.com/anytypeio/go-anytype-infrastructure-experiments/pkg/acl/testutils/yamltests"
|
|
"github.com/anytypeio/go-anytype-infrastructure-experiments/util/cid"
|
|
"github.com/anytypeio/go-anytype-infrastructure-experiments/util/keys/asymmetric/encryptionkey"
|
|
"github.com/anytypeio/go-anytype-infrastructure-experiments/util/keys/asymmetric/signingkey"
|
|
"hash/fnv"
|
|
"io/ioutil"
|
|
"path"
|
|
"time"
|
|
|
|
"github.com/gogo/protobuf/proto"
|
|
"gopkg.in/yaml.v3"
|
|
)
|
|
|
|
type ACLListStorageBuilder struct {
|
|
aclList string
|
|
records []*aclrecordproto.ACLRecord
|
|
rawRecords []*aclrecordproto.RawACLRecordWithId
|
|
indexes map[string]int
|
|
keychain *YAMLKeychain
|
|
rawRoot *aclrecordproto.RawACLRecordWithId
|
|
root *aclrecordproto.ACLRoot
|
|
id string
|
|
}
|
|
|
|
func NewACLListStorageBuilder(keychain *YAMLKeychain) *ACLListStorageBuilder {
|
|
return &ACLListStorageBuilder{
|
|
records: make([]*aclrecordproto.ACLRecord, 0),
|
|
indexes: make(map[string]int),
|
|
keychain: keychain,
|
|
}
|
|
}
|
|
|
|
func NewListStorageWithTestName(name string) (storage.ListStorage, error) {
|
|
filePath := path.Join(yamltests.Path(), name)
|
|
return NewACLListStorageBuilderFromFile(filePath)
|
|
}
|
|
|
|
func NewACLListStorageBuilderFromFile(file string) (*ACLListStorageBuilder, error) {
|
|
content, err := ioutil.ReadFile(file)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ymlTree := YMLList{}
|
|
err = yaml.Unmarshal(content, &ymlTree)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
tb := NewACLListStorageBuilder(NewKeychain())
|
|
tb.Parse(&ymlTree)
|
|
|
|
return tb, nil
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) createRaw(rec proto.Marshaler, identity []byte) *aclrecordproto.RawACLRecordWithId {
|
|
protoMarshalled, err := rec.Marshal()
|
|
if err != nil {
|
|
panic("should be able to marshal final acl message!")
|
|
}
|
|
|
|
signature, err := t.keychain.SigningKeysByRealIdentity[string(identity)].Sign(protoMarshalled)
|
|
if err != nil {
|
|
panic("should be able to sign final acl message!")
|
|
}
|
|
|
|
rawRec := &aclrecordproto.RawACLRecord{
|
|
Payload: protoMarshalled,
|
|
Signature: signature,
|
|
}
|
|
|
|
rawMarshalled, err := proto.Marshal(rawRec)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
id, _ := cid.NewCIDFromBytes(rawMarshalled)
|
|
|
|
return &aclrecordproto.RawACLRecordWithId{
|
|
Payload: rawMarshalled,
|
|
Id: id,
|
|
}
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) Head() (*aclrecordproto.RawACLRecordWithId, error) {
|
|
l := len(t.records)
|
|
if l > 0 {
|
|
return t.rawRecords[l-1], nil
|
|
}
|
|
return t.rawRoot, nil
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) Root() (*aclrecordproto.RawACLRecordWithId, error) {
|
|
return t.rawRoot, nil
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) GetRawRecord(ctx context.Context, id string) (*aclrecordproto.RawACLRecordWithId, error) {
|
|
recIdx, ok := t.indexes[id]
|
|
if !ok {
|
|
if id == t.rawRoot.Id {
|
|
return t.rawRoot, nil
|
|
}
|
|
return nil, fmt.Errorf("no such record")
|
|
}
|
|
return t.rawRecords[recIdx], nil
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) AddRawRecord(ctx context.Context, rec *aclrecordproto.RawACLRecordWithId) error {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) ID() (string, error) {
|
|
return t.id, nil
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) GetRawRecords() []*aclrecordproto.RawACLRecordWithId {
|
|
return t.rawRecords
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) GetKeychain() *YAMLKeychain {
|
|
return t.keychain
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) Parse(tree *YMLList) {
|
|
// Just to clarify - we are generating new identities for the ones that
|
|
// are specified in the yml file, because our identities should be Ed25519
|
|
// the same thing is happening for the encryption keys
|
|
t.keychain.ParseKeys(&tree.Keys)
|
|
t.parseRoot(tree.Root)
|
|
prevId := t.id
|
|
for idx, rec := range tree.Records {
|
|
newRecord := t.parseRecord(rec, prevId)
|
|
rawRecord := t.createRaw(newRecord, newRecord.Identity)
|
|
t.records = append(t.records, newRecord)
|
|
t.rawRecords = append(t.rawRecords, rawRecord)
|
|
t.indexes[rawRecord.Id] = idx
|
|
prevId = rawRecord.Id
|
|
}
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) parseRecord(rec *Record, prevId string) *aclrecordproto.ACLRecord {
|
|
k := t.keychain.GetKey(rec.ReadKey).(*SymKey)
|
|
var aclChangeContents []*aclrecordproto.ACLContentValue
|
|
for _, ch := range rec.AclChanges {
|
|
aclChangeContent := t.parseACLChange(ch)
|
|
aclChangeContents = append(aclChangeContents, aclChangeContent)
|
|
}
|
|
data := &aclrecordproto.ACLData{
|
|
AclContent: aclChangeContents,
|
|
}
|
|
bytes, _ := data.Marshal()
|
|
|
|
return &aclrecordproto.ACLRecord{
|
|
PrevId: prevId,
|
|
Identity: []byte(t.keychain.GetIdentity(rec.Identity)),
|
|
Data: bytes,
|
|
CurrentReadKeyHash: k.Hash,
|
|
Timestamp: time.Now().Unix(),
|
|
}
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) parseACLChange(ch *ACLChange) (convCh *aclrecordproto.ACLContentValue) {
|
|
switch {
|
|
case ch.UserAdd != nil:
|
|
add := ch.UserAdd
|
|
|
|
encKey := t.keychain.GetKey(add.EncryptionKey).(encryptionkey.PrivKey)
|
|
rawKey, _ := encKey.GetPublic().Raw()
|
|
|
|
convCh = &aclrecordproto.ACLContentValue{
|
|
Value: &aclrecordproto.ACLContentValue_UserAdd{
|
|
UserAdd: &aclrecordproto.ACLUserAdd{
|
|
Identity: []byte(t.keychain.GetIdentity(add.Identity)),
|
|
EncryptionKey: rawKey,
|
|
EncryptedReadKeys: t.encryptReadKeys(add.EncryptedReadKeys, encKey),
|
|
Permissions: t.convertPermission(add.Permission),
|
|
},
|
|
},
|
|
}
|
|
case ch.UserJoin != nil:
|
|
join := ch.UserJoin
|
|
|
|
encKey := t.keychain.
|
|
GetKey(join.EncryptionKey).(encryptionkey.PrivKey)
|
|
rawKey, _ := encKey.GetPublic().Raw()
|
|
|
|
idKey, _ := t.keychain.SigningKeysByYAMLIdentity[join.Identity].GetPublic().Raw()
|
|
signKey := t.keychain.GetKey(join.AcceptSignature).(signingkey.PrivKey)
|
|
signature, err := signKey.Sign(idKey)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
convCh = &aclrecordproto.ACLContentValue{
|
|
Value: &aclrecordproto.ACLContentValue_UserJoin{
|
|
UserJoin: &aclrecordproto.ACLUserJoin{
|
|
Identity: []byte(t.keychain.GetIdentity(join.Identity)),
|
|
EncryptionKey: rawKey,
|
|
AcceptSignature: signature,
|
|
InviteId: join.InviteId,
|
|
EncryptedReadKeys: t.encryptReadKeys(join.EncryptedReadKeys, encKey),
|
|
},
|
|
},
|
|
}
|
|
case ch.UserInvite != nil:
|
|
invite := ch.UserInvite
|
|
rawAcceptKey, _ := t.keychain.GetKey(invite.AcceptKey).(signingkey.PrivKey).GetPublic().Raw()
|
|
encKey := t.keychain.
|
|
GetKey(invite.EncryptionKey).(encryptionkey.PrivKey)
|
|
rawEncKey, _ := encKey.GetPublic().Raw()
|
|
|
|
convCh = &aclrecordproto.ACLContentValue{
|
|
Value: &aclrecordproto.ACLContentValue_UserInvite{
|
|
UserInvite: &aclrecordproto.ACLUserInvite{
|
|
AcceptPublicKey: rawAcceptKey,
|
|
EncryptPublicKey: rawEncKey,
|
|
EncryptedReadKeys: t.encryptReadKeys(invite.EncryptedReadKeys, encKey),
|
|
Permissions: t.convertPermission(invite.Permissions),
|
|
InviteId: invite.InviteId,
|
|
},
|
|
},
|
|
}
|
|
case ch.UserPermissionChange != nil:
|
|
permissionChange := ch.UserPermissionChange
|
|
|
|
convCh = &aclrecordproto.ACLContentValue{
|
|
Value: &aclrecordproto.ACLContentValue_UserPermissionChange{
|
|
UserPermissionChange: &aclrecordproto.ACLUserPermissionChange{
|
|
Identity: []byte(t.keychain.GetIdentity(permissionChange.Identity)),
|
|
Permissions: t.convertPermission(permissionChange.Permission),
|
|
},
|
|
},
|
|
}
|
|
case ch.UserRemove != nil:
|
|
remove := ch.UserRemove
|
|
|
|
newReadKey := t.keychain.GetKey(remove.NewReadKey).(*SymKey)
|
|
|
|
var replaces []*aclrecordproto.ACLReadKeyReplace
|
|
for _, id := range remove.IdentitiesLeft {
|
|
encKey := t.keychain.EncryptionKeysByYAMLIdentity[id]
|
|
rawEncKey, _ := encKey.GetPublic().Raw()
|
|
encReadKey, err := encKey.GetPublic().Encrypt(newReadKey.Key.Bytes())
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
replaces = append(replaces, &aclrecordproto.ACLReadKeyReplace{
|
|
Identity: []byte(t.keychain.GetIdentity(id)),
|
|
EncryptionKey: rawEncKey,
|
|
EncryptedReadKey: encReadKey,
|
|
})
|
|
}
|
|
|
|
convCh = &aclrecordproto.ACLContentValue{
|
|
Value: &aclrecordproto.ACLContentValue_UserRemove{
|
|
UserRemove: &aclrecordproto.ACLUserRemove{
|
|
Identity: []byte(t.keychain.GetIdentity(remove.RemovedIdentity)),
|
|
ReadKeyReplaces: replaces,
|
|
},
|
|
},
|
|
}
|
|
}
|
|
if convCh == nil {
|
|
panic("cannot have empty acl change")
|
|
}
|
|
|
|
return convCh
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) encryptReadKeys(keys []string, encKey encryptionkey.PrivKey) (enc [][]byte) {
|
|
for _, k := range keys {
|
|
realKey := t.keychain.GetKey(k).(*SymKey).Key.Bytes()
|
|
res, err := encKey.GetPublic().Encrypt(realKey)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
enc = append(enc, res)
|
|
}
|
|
return
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) convertPermission(perm string) aclrecordproto.ACLUserPermissions {
|
|
switch perm {
|
|
case "admin":
|
|
return aclrecordproto.ACLUserPermissions_Admin
|
|
case "writer":
|
|
return aclrecordproto.ACLUserPermissions_Writer
|
|
case "reader":
|
|
return aclrecordproto.ACLUserPermissions_Reader
|
|
default:
|
|
panic(fmt.Sprintf("incorrect permission: %s", perm))
|
|
}
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) traverseFromHead(f func(rec *aclrecordproto.ACLRecord, id string) error) (err error) {
|
|
for i := len(t.records) - 1; i >= 0; i-- {
|
|
err = f(t.records[i], t.rawRecords[i].Id)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (t *ACLListStorageBuilder) parseRoot(root *Root) {
|
|
rawSignKey, _ := t.keychain.SigningKeysByYAMLIdentity[root.Identity].GetPublic().Raw()
|
|
rawEncKey, _ := t.keychain.EncryptionKeysByYAMLIdentity[root.Identity].GetPublic().Raw()
|
|
readKey, _ := aclrecordproto.ACLReadKeyDerive(rawSignKey, rawEncKey)
|
|
hasher := fnv.New64()
|
|
hasher.Write(readKey.Bytes())
|
|
t.root = &aclrecordproto.ACLRoot{
|
|
Identity: rawSignKey,
|
|
EncryptionKey: rawEncKey,
|
|
SpaceId: root.SpaceId,
|
|
EncryptedReadKey: nil,
|
|
DerivationScheme: "scheme",
|
|
CurrentReadKeyHash: hasher.Sum64(),
|
|
}
|
|
t.rawRoot = t.createRaw(t.root, rawSignKey)
|
|
t.id = t.rawRoot.Id
|
|
}
|