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Fix Unicode chat sanitization

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This commit is contained in:
Alexander Sellite 2026-08-21 09:23:28 -04:00
parent c20bb35929
commit 91b54e4a01
2 changed files with 43 additions and 14 deletions
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18
network/network_chat_protocol.gd
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@ -9,15 +9,27 @@ const MAX_HISTORY: int = 100
const LATE_JOIN_HISTORY: int = 50
const MAX_ID_LENGTH: int = 96
static var _invisible_edge_pattern: RegEx = RegEx.create_from_string(
"^[\\s\\p{Z}\\p{Cf}\\x{2800}]+|[\\s\\p{Z}\\p{Cf}\\x{2800}]+$"
)
static var _visible_content_pattern: RegEx = RegEx.create_from_string(
"[^\\s\\p{Z}\\p{Cf}\\x{2800}]"
)
enum Kind { PLAYER, SYSTEM }
static func sanitize_body(value: Variant) -> String:
if typeof(value) != TYPE_STRING:
return ""
var strippable_whitespace = RegEx.create_from_string("^[^\\w]+|[^\\w]+$")
var result := strippable_whitespace.sub(value, "")
if result.is_empty() or result.length() > MAX_VISIBLE_CHARACTERS:
var result: String = str(value).replace("\r", " ").replace("\n", " ")
result = result.replace("\t", " ")
result = _invisible_edge_pattern.sub(result, "", true)
if (
result.is_empty()
or _visible_content_pattern.search(result) == null
or result.length() > MAX_VISIBLE_CHARACTERS
):
return ""
if result.to_utf8_buffer().size() > MAX_UTF8_BYTES:
return ""