woofmeow/straywild
woofmeow/straywild
3
5
Fork 2
Code Issues 37 Projects 1 Releases 43 Packages Wiki Activity Actions

Preserve data across the Straywild transition

Browse source
This commit is contained in:
Alexander Sellite 2026-08-25 22:18:20 -04:00
parent 737d1cf2e0
commit 98a27e2f53
28 changed files with 577 additions and 94 deletions
Download patch file Download diff file Expand all files Collapse all files

27
network/identity_backup_service.gd
View file

@ -4,6 +4,7 @@ extends Node
signal operation_finished(success: bool, message: String)
const MAGIC := "straywild_IDENTITY_BACKUP"
const LEGACY_MAGIC := "NETFISHING_IDENTITY_BACKUP"
const FORMAT_VERSION := 1
const MAX_BACKUP_BYTES := 256 * 1024
const MIN_PASSPHRASE_LENGTH := 12
@ -110,8 +111,9 @@ func inspect_backup(
if json.parse(text) != OK or typeof(json.data) != TYPE_DICTIONARY:
return {"ok": false}
var data: Dictionary = json.data
var legacy_backup: bool = data.get("magic") == LEGACY_MAGIC
if (
data.get("magic") != MAGIC
data.get("magic") not in [MAGIC, LEGACY_MAGIC]
or data.get("format_version") != FORMAT_VERSION
or data.get("identity_type") != expected_type
or data.get("algorithm") != NetworkIdentityCrypto.ALGORITHM
@ -134,12 +136,23 @@ func inspect_backup(
var signature: PackedByteArray = Marshalls.base64_to_raw(
str(data.get("self_signature", ""))
)
if not NetworkIdentityCrypto.verify_fields(
NetworkIdentityCrypto.load_public_key(public_pem),
"identity_backup_self_test",
[expected_type, fingerprint],
signature,
):
var public_key: CryptoKey = NetworkIdentityCrypto.load_public_key(public_pem)
var backup_signature_valid: bool = (
NetworkIdentityCrypto.verify_legacy_fields(
public_key,
"identity_backup_self_test",
[expected_type, fingerprint],
signature,
)
if legacy_backup
else NetworkIdentityCrypto.verify_fields(
public_key,
"identity_backup_self_test",
[expected_type, fingerprint],
signature,
)
)
if not backup_signature_valid:
return {"ok": false}
var fresh: PackedByteArray = NetworkIdentityCrypto.sign_fields(
key, "identity_import_self_test", [fingerprint]