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Add NFC normalization to all FormData inputs across 41 server actions
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All user-supplied string values from FormData now go through
String.prototype.normalize('NFC') to prevent Unicode homoglyph
attacks and canonicalization bypasses. NFC is idempotent for
already-normalized strings, so this is a pure security improvement
with zero behavioral change for legitimate users.
This commit is contained in:
openhands committed 2026-07-13 12:21:37 +02:00
1 parent e2fc7ea1a4
commit e5ae51bff7
41 files changed
+152 -152
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src/actions/admin-vpn.ts
+4 -4
View File
@@ -27,17 +27,17 @@ export async function saveVpn(formData: FormData): Promise<void> {
const staff = await requireStaff();
// Toggle: an unchecked checkbox submits nothing, so absence === disabled.
const enabled = String(formData.get("vpn_block_enabled") ?? "").trim() !== "";
const enabled = String(formData.get("vpn_block_enabled") ?? "").normalize("NFC").trim() !== "";
const providerRaw = String(formData.get("vpn_provider") ?? "")
const providerRaw = String(formData.get("vpn_provider") ?? "").normalize("NFC")
.trim()
.toLowerCase();
const provider = ALLOWED_PROVIDERS.has(providerRaw) ? providerRaw : "none";
const apiKey = String(formData.get("vpn_api_key") ?? "")
const apiKey = String(formData.get("vpn_api_key") ?? "").normalize("NFC")
.trim()
.slice(0, 255);
const blockMessage = String(formData.get("vpn_block_message") ?? "")
const blockMessage = String(formData.get("vpn_block_message") ?? "").normalize("NFC")
.trim()
.slice(0, 255);