mirror of
https://gitlab.com/veilid/veilidchat.git
synced 2024-12-24 07:09:29 -05:00
optimization work and crypto overrides for dht operations
This commit is contained in:
parent
9bb20f4dd2
commit
5da68b2d94
@ -126,6 +126,13 @@ class ContactInvitationListCubit
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.deleteScope((contactRequestInbox) async {
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.deleteScope((contactRequestInbox) async {
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// Store ContactRequest in owner subkey
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// Store ContactRequest in owner subkey
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await contactRequestInbox.eventualWriteProtobuf(creq);
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await contactRequestInbox.eventualWriteProtobuf(creq);
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// Store an empty invitation response
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await contactRequestInbox.eventualWriteBytes(Uint8List(0),
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subkey: 1,
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writer: contactRequestWriter,
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crypto: await DHTRecordCryptoPrivate.fromTypedKeyPair(
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TypedKeyPair.fromKeyPair(
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contactRequestInbox.key.kind, contactRequestWriter)));
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// Create ContactInvitation and SignedContactInvitation
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// Create ContactInvitation and SignedContactInvitation
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final cinv = proto.ContactInvitation()
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final cinv = proto.ContactInvitation()
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@ -5,14 +5,16 @@ import '../../proto/proto.dart' as proto;
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// Watch subkey #1 of the ContactRequest record for accept/reject
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// Watch subkey #1 of the ContactRequest record for accept/reject
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class ContactRequestInboxCubit
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class ContactRequestInboxCubit
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extends DefaultDHTRecordCubit<proto.SignedContactResponse> {
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extends DefaultDHTRecordCubit<proto.SignedContactResponse?> {
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ContactRequestInboxCubit(
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ContactRequestInboxCubit(
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{required this.activeAccountInfo, required this.contactInvitationRecord})
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{required this.activeAccountInfo, required this.contactInvitationRecord})
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: super(
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: super(
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open: () => _open(
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open: () => _open(
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activeAccountInfo: activeAccountInfo,
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activeAccountInfo: activeAccountInfo,
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contactInvitationRecord: contactInvitationRecord),
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contactInvitationRecord: contactInvitationRecord),
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decodeState: proto.SignedContactResponse.fromBuffer);
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decodeState: (buf) => buf.isEmpty
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? null
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: proto.SignedContactResponse.fromBuffer(buf));
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// ContactRequestInboxCubit.value(
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// ContactRequestInboxCubit.value(
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// {required super.record,
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// {required super.record,
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@ -23,7 +23,7 @@ class InvitationStatus extends Equatable {
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}
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}
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class WaitingInvitationCubit extends AsyncTransformerCubit<InvitationStatus,
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class WaitingInvitationCubit extends AsyncTransformerCubit<InvitationStatus,
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proto.SignedContactResponse> {
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proto.SignedContactResponse?> {
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WaitingInvitationCubit(ContactRequestInboxCubit super.input,
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WaitingInvitationCubit(ContactRequestInboxCubit super.input,
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{required ActiveAccountInfo activeAccountInfo,
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{required ActiveAccountInfo activeAccountInfo,
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required proto.Account account,
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required proto.Account account,
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@ -36,10 +36,13 @@ class WaitingInvitationCubit extends AsyncTransformerCubit<InvitationStatus,
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contactInvitationRecord: contactInvitationRecord));
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contactInvitationRecord: contactInvitationRecord));
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static Future<AsyncValue<InvitationStatus>> _transform(
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static Future<AsyncValue<InvitationStatus>> _transform(
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proto.SignedContactResponse signedContactResponse,
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proto.SignedContactResponse? signedContactResponse,
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{required ActiveAccountInfo activeAccountInfo,
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{required ActiveAccountInfo activeAccountInfo,
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required proto.Account account,
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required proto.Account account,
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required proto.ContactInvitationRecord contactInvitationRecord}) async {
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required proto.ContactInvitationRecord contactInvitationRecord}) async {
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if (signedContactResponse == null) {
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return const AsyncValue.loading();
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}
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final pool = DHTRecordPool.instance;
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final pool = DHTRecordPool.instance;
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final contactResponseBytes =
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final contactResponseBytes =
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Uint8List.fromList(signedContactResponse.contactResponse);
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Uint8List.fromList(signedContactResponse.contactResponse);
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@ -102,6 +102,7 @@ class DHTRecord {
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Future<Uint8List?> get(
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Future<Uint8List?> get(
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{int subkey = -1,
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{int subkey = -1,
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DHTRecordCrypto? crypto,
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bool forceRefresh = false,
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bool forceRefresh = false,
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bool onlyUpdates = false}) async {
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bool onlyUpdates = false}) async {
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subkey = subkeyOrDefault(subkey);
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subkey = subkeyOrDefault(subkey);
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@ -114,17 +115,21 @@ class DHTRecord {
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if (onlyUpdates && lastSeq != null && valueData.seq <= lastSeq) {
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if (onlyUpdates && lastSeq != null && valueData.seq <= lastSeq) {
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return null;
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return null;
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}
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}
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final out = _crypto.decrypt(valueData.data, subkey);
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final out = (crypto ?? _crypto).decrypt(valueData.data, subkey);
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_sharedDHTRecordData.subkeySeqCache[subkey] = valueData.seq;
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_sharedDHTRecordData.subkeySeqCache[subkey] = valueData.seq;
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return out;
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return out;
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}
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}
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Future<T?> getJson<T>(T Function(dynamic) fromJson,
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Future<T?> getJson<T>(T Function(dynamic) fromJson,
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{int subkey = -1,
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{int subkey = -1,
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DHTRecordCrypto? crypto,
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bool forceRefresh = false,
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bool forceRefresh = false,
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bool onlyUpdates = false}) async {
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bool onlyUpdates = false}) async {
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final data = await get(
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final data = await get(
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subkey: subkey, forceRefresh: forceRefresh, onlyUpdates: onlyUpdates);
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subkey: subkey,
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crypto: crypto,
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forceRefresh: forceRefresh,
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onlyUpdates: onlyUpdates);
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if (data == null) {
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if (data == null) {
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return null;
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return null;
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}
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}
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@ -134,10 +139,14 @@ class DHTRecord {
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Future<T?> getProtobuf<T extends GeneratedMessage>(
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Future<T?> getProtobuf<T extends GeneratedMessage>(
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T Function(List<int> i) fromBuffer,
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T Function(List<int> i) fromBuffer,
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{int subkey = -1,
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{int subkey = -1,
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DHTRecordCrypto? crypto,
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bool forceRefresh = false,
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bool forceRefresh = false,
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bool onlyUpdates = false}) async {
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bool onlyUpdates = false}) async {
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final data = await get(
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final data = await get(
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subkey: subkey, forceRefresh: forceRefresh, onlyUpdates: onlyUpdates);
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subkey: subkey,
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crypto: crypto,
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forceRefresh: forceRefresh,
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onlyUpdates: onlyUpdates);
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if (data == null) {
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if (data == null) {
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return null;
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return null;
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}
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}
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@ -145,14 +154,15 @@ class DHTRecord {
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}
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}
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Future<Uint8List?> tryWriteBytes(Uint8List newValue,
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Future<Uint8List?> tryWriteBytes(Uint8List newValue,
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{int subkey = -1}) async {
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{int subkey = -1, DHTRecordCrypto? crypto, KeyPair? writer}) async {
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subkey = subkeyOrDefault(subkey);
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subkey = subkeyOrDefault(subkey);
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final lastSeq = _sharedDHTRecordData.subkeySeqCache[subkey];
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final lastSeq = _sharedDHTRecordData.subkeySeqCache[subkey];
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final encryptedNewValue = await _crypto.encrypt(newValue, subkey);
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final encryptedNewValue =
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await (crypto ?? _crypto).encrypt(newValue, subkey);
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// Set the new data if possible
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// Set the new data if possible
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var newValueData = await _routingContext
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var newValueData = await _routingContext
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.setDHTValue(key, subkey, encryptedNewValue, writer: _writer);
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.setDHTValue(key, subkey, encryptedNewValue, writer: writer ?? _writer);
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if (newValueData == null) {
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if (newValueData == null) {
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// A newer value wasn't found on the set, but
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// A newer value wasn't found on the set, but
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// we may get a newer value when getting the value for the sequence number
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// we may get a newer value when getting the value for the sequence number
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@ -177,7 +187,8 @@ class DHTRecord {
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}
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}
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// Decrypt value to return it
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// Decrypt value to return it
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final decryptedNewValue = await _crypto.decrypt(newValueData.data, subkey);
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final decryptedNewValue =
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await (crypto ?? _crypto).decrypt(newValueData.data, subkey);
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if (isUpdated) {
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if (isUpdated) {
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DHTRecordPool.instance
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DHTRecordPool.instance
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.processLocalValueChange(key, decryptedNewValue, subkey);
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.processLocalValueChange(key, decryptedNewValue, subkey);
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@ -185,17 +196,20 @@ class DHTRecord {
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return decryptedNewValue;
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return decryptedNewValue;
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}
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}
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Future<void> eventualWriteBytes(Uint8List newValue, {int subkey = -1}) async {
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Future<void> eventualWriteBytes(Uint8List newValue,
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{int subkey = -1, DHTRecordCrypto? crypto, KeyPair? writer}) async {
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subkey = subkeyOrDefault(subkey);
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subkey = subkeyOrDefault(subkey);
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final lastSeq = _sharedDHTRecordData.subkeySeqCache[subkey];
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final lastSeq = _sharedDHTRecordData.subkeySeqCache[subkey];
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final encryptedNewValue = await _crypto.encrypt(newValue, subkey);
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final encryptedNewValue =
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await (crypto ?? _crypto).encrypt(newValue, subkey);
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ValueData? newValueData;
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ValueData? newValueData;
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do {
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do {
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do {
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do {
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// Set the new data
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// Set the new data
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newValueData = await _routingContext
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newValueData = await _routingContext.setDHTValue(
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.setDHTValue(key, subkey, encryptedNewValue, writer: _writer);
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key, subkey, encryptedNewValue,
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writer: writer ?? _writer);
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// Repeat if newer data on the network was found
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// Repeat if newer data on the network was found
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} while (newValueData != null);
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} while (newValueData != null);
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@ -223,27 +237,32 @@ class DHTRecord {
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Future<void> eventualUpdateBytes(
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Future<void> eventualUpdateBytes(
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Future<Uint8List> Function(Uint8List? oldValue) update,
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Future<Uint8List> Function(Uint8List? oldValue) update,
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{int subkey = -1}) async {
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{int subkey = -1,
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DHTRecordCrypto? crypto,
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KeyPair? writer}) async {
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subkey = subkeyOrDefault(subkey);
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subkey = subkeyOrDefault(subkey);
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// Get the existing data, do not allow force refresh here
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// Get the existing data, do not allow force refresh here
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// because if we need a refresh the setDHTValue will fail anyway
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// because if we need a refresh the setDHTValue will fail anyway
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var oldValue = await get(subkey: subkey);
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var oldValue = await get(subkey: subkey, crypto: crypto);
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do {
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do {
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// Update the data
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// Update the data
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final updatedValue = await update(oldValue);
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final updatedValue = await update(oldValue);
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// Try to write it back to the network
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// Try to write it back to the network
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oldValue = await tryWriteBytes(updatedValue, subkey: subkey);
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oldValue = await tryWriteBytes(updatedValue,
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subkey: subkey, crypto: crypto, writer: writer);
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// Repeat update if newer data on the network was found
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// Repeat update if newer data on the network was found
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} while (oldValue != null);
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} while (oldValue != null);
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}
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}
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Future<T?> tryWriteJson<T>(T Function(dynamic) fromJson, T newValue,
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Future<T?> tryWriteJson<T>(T Function(dynamic) fromJson, T newValue,
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{int subkey = -1}) =>
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{int subkey = -1, DHTRecordCrypto? crypto, KeyPair? writer}) =>
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tryWriteBytes(jsonEncodeBytes(newValue), subkey: subkey).then((out) {
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tryWriteBytes(jsonEncodeBytes(newValue),
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subkey: subkey, crypto: crypto, writer: writer)
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.then((out) {
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if (out == null) {
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if (out == null) {
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return null;
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return null;
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}
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}
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@ -252,30 +271,37 @@ class DHTRecord {
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Future<T?> tryWriteProtobuf<T extends GeneratedMessage>(
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Future<T?> tryWriteProtobuf<T extends GeneratedMessage>(
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T Function(List<int>) fromBuffer, T newValue,
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T Function(List<int>) fromBuffer, T newValue,
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{int subkey = -1}) =>
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{int subkey = -1, DHTRecordCrypto? crypto, KeyPair? writer}) =>
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tryWriteBytes(newValue.writeToBuffer(), subkey: subkey).then((out) {
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tryWriteBytes(newValue.writeToBuffer(),
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subkey: subkey, crypto: crypto, writer: writer)
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.then((out) {
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if (out == null) {
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if (out == null) {
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return null;
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return null;
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}
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}
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return fromBuffer(out);
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return fromBuffer(out);
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});
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});
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Future<void> eventualWriteJson<T>(T newValue, {int subkey = -1}) =>
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Future<void> eventualWriteJson<T>(T newValue,
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eventualWriteBytes(jsonEncodeBytes(newValue), subkey: subkey);
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{int subkey = -1, DHTRecordCrypto? crypto, KeyPair? writer}) =>
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eventualWriteBytes(jsonEncodeBytes(newValue),
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subkey: subkey, crypto: crypto, writer: writer);
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Future<void> eventualWriteProtobuf<T extends GeneratedMessage>(T newValue,
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Future<void> eventualWriteProtobuf<T extends GeneratedMessage>(T newValue,
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{int subkey = -1}) =>
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{int subkey = -1, DHTRecordCrypto? crypto, KeyPair? writer}) =>
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eventualWriteBytes(newValue.writeToBuffer(), subkey: subkey);
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eventualWriteBytes(newValue.writeToBuffer(),
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subkey: subkey, crypto: crypto, writer: writer);
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Future<void> eventualUpdateJson<T>(
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Future<void> eventualUpdateJson<T>(
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T Function(dynamic) fromJson, Future<T> Function(T?) update,
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T Function(dynamic) fromJson, Future<T> Function(T?) update,
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{int subkey = -1}) =>
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{int subkey = -1, DHTRecordCrypto? crypto, KeyPair? writer}) =>
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eventualUpdateBytes(jsonUpdate(fromJson, update), subkey: subkey);
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eventualUpdateBytes(jsonUpdate(fromJson, update),
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subkey: subkey, crypto: crypto, writer: writer);
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Future<void> eventualUpdateProtobuf<T extends GeneratedMessage>(
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Future<void> eventualUpdateProtobuf<T extends GeneratedMessage>(
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T Function(List<int>) fromBuffer, Future<T> Function(T?) update,
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T Function(List<int>) fromBuffer, Future<T> Function(T?) update,
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{int subkey = -1}) =>
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{int subkey = -1, DHTRecordCrypto? crypto, KeyPair? writer}) =>
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eventualUpdateBytes(protobufUpdate(fromBuffer, update), subkey: subkey);
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eventualUpdateBytes(protobufUpdate(fromBuffer, update),
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subkey: subkey, crypto: crypto, writer: writer);
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Future<void> watch(
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Future<void> watch(
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{List<ValueSubkeyRange>? subkeys,
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{List<ValueSubkeyRange>? subkeys,
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@ -291,10 +317,12 @@ class DHTRecord {
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}
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}
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Future<StreamSubscription<DHTRecordWatchChange>> listen(
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Future<StreamSubscription<DHTRecordWatchChange>> listen(
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Future<void> Function(
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Future<void> Function(
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DHTRecord record, Uint8List? data, List<ValueSubkeyRange> subkeys)
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DHTRecord record, Uint8List? data, List<ValueSubkeyRange> subkeys)
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onUpdate,
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onUpdate, {
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{bool localChanges = true}) async {
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bool localChanges = true,
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DHTRecordCrypto? crypto,
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}) async {
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// Set up watch requirements
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// Set up watch requirements
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watchController ??=
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watchController ??=
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StreamController<DHTRecordWatchChange>.broadcast(onCancel: () {
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StreamController<DHTRecordWatchChange>.broadcast(onCancel: () {
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@ -317,7 +345,8 @@ class DHTRecord {
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final changeData = change.data;
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final changeData = change.data;
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data = changeData == null
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data = changeData == null
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? null
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? null
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: await _crypto.decrypt(changeData, change.subkeys.first.low);
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: await (crypto ?? _crypto)
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.decrypt(changeData, change.subkeys.first.low);
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}
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}
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await onUpdate(this, data, change.subkeys);
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await onUpdate(this, data, change.subkeys);
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});
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});
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@ -366,7 +395,7 @@ class DHTRecord {
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overlappedFirstSubkey == updateFirstSubkey)
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overlappedFirstSubkey == updateFirstSubkey)
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? data
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? data
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: null;
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: null;
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// Report only wathced subkeys
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// Report only watched subkeys
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watchController?.add(DHTRecordWatchChange(
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watchController?.add(DHTRecordWatchChange(
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local: local, data: updatedData, subkeys: overlappedSubkeys));
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local: local, data: updatedData, subkeys: overlappedSubkeys));
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}
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}
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