woofmeow/netfishing
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Add decentralized cryptographic identity

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This commit is contained in:
Alexander Sellite 2026-07-29 22:18:14 -04:00
parent 0b5b78a553
commit fa996a6735
27 changed files with 1733 additions and 58 deletions
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65
network/network_profile_service.gd
View file

@ -50,6 +50,13 @@ func get_persisted_appearance() -> Dictionary:
return _appearance_store.get_snapshot()
func get_identity_fingerprint() -> String:
return (
_session.get_local_identity_fingerprint()
if _session != null else ""
)
func request_name_check(display_name: String) -> String:
var request_id := _new_id()
_latest_check_id = request_id
@ -95,7 +102,11 @@ func apply_profile(
"display_name": clean_name,
"appearance": appearance.duplicate(true),
"use_anyway": use_anyway,
"sender_fingerprint": _session.get_local_identity_fingerprint(),
}
request["sender_signature"] = _session.sign_local_action(
"profile_update", NetworkProfileProtocol.signature_fields(request)
)
_pending_apply[request_id] = request
if _session == null or not _session.is_gameplay_session_active():
_apply_local_result(request_id, true, "", false, PackedStringArray())
@ -145,6 +156,18 @@ func submit_profile_apply(data: Dictionary) -> void:
or str(data["session_id"]) != _session.get_session_id()
):
return
var record := _session.get_peer_record(sender_id)
if (
record == null
or record.identity_fingerprint != str(data["sender_fingerprint"])
or not _session.verify_peer_action(
sender_id,
"profile_update",
NetworkProfileProtocol.signature_fields(data),
data["sender_signature"],
)
):
return
_process_apply_request(sender_id, data)
@ -163,6 +186,13 @@ func _process_apply_request(peer_id: int, data: Dictionary) -> void:
"peer_id": peer_id,
"display_name": name,
"appearance": Dictionary(data["appearance"]).duplicate(true),
"authorization": {
"request_id": data["request_id"],
"session_id": data["session_id"],
"sender_fingerprint": data["sender_fingerprint"],
"sender_signature": data["sender_signature"],
"use_anyway": data["use_anyway"],
},
}
receive_profile_result.rpc_id(peer_id, {
"request_id": data["request_id"],
@ -187,8 +217,16 @@ func confirm_profile_saved(request_id: String) -> void:
var name := str(pending["display_name"])
var appearance := Dictionary(pending["appearance"])
_session.apply_canonical_profile(sender_id, name, appearance)
var record := _session.get_peer_record(sender_id)
if record != null:
record.profile_authorization = pending.get("authorization", {}).duplicate(true)
_apply_to_avatar(sender_id, appearance)
broadcast_profile_snapshot.rpc(sender_id, name, appearance)
broadcast_profile_snapshot.rpc(
sender_id,
name,
appearance,
pending.get("authorization", {}),
)
@rpc("authority", "call_remote", "reliable", NetworkProfileProtocol.RELIABLE_CHANNEL)
@ -243,10 +281,16 @@ func _apply_local_result(
_preferences.display_name,
_appearance_store.get_snapshot(),
)
var record := _session.get_peer_record(
_session.get_local_peer_id()
)
if record != null:
record.profile_authorization = request.duplicate(true)
broadcast_profile_snapshot.rpc(
_session.get_local_peer_id(),
_preferences.display_name,
_appearance_store.get_snapshot(),
request,
)
elif _session.supports_server_capability(&"profile_v1"):
confirm_profile_saved.rpc_id(1, request_id)
@ -264,12 +308,30 @@ func broadcast_profile_snapshot(
peer_id: int,
display_name: String,
appearance: Dictionary,
authorization: Dictionary = {},
) -> void:
if (
not NetworkProfilePreferences.is_valid_display_name(display_name)
or not CharacterCustomizationCatalog.validate_snapshot(appearance)
):
return
if not authorization.is_empty():
var signed := authorization.duplicate(true)
signed["display_name"] = display_name
signed["appearance"] = appearance
var record := _session.get_peer_record(peer_id)
if (
record == null
or record.identity_fingerprint
!= str(signed.get("sender_fingerprint", ""))
or not _session.verify_peer_action(
peer_id,
"profile_update",
NetworkProfileProtocol.signature_fields(signed),
signed.get("sender_signature", PackedByteArray()),
)
):
return
_session.apply_canonical_profile(peer_id, display_name, appearance)
_apply_to_avatar(peer_id, appearance)
profile_snapshot_changed.emit(peer_id, display_name, appearance.duplicate(true))
@ -287,6 +349,7 @@ func _on_peer_authenticated(peer_id: int, _display_name: String) -> void:
existing_id,
record.display_name,
record.appearance_snapshot,
record.profile_authorization,
)