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fix(chatgpt): use private JSON credential storage without Keychain

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This commit is contained in:
amosblomqvist
2026-10-24 18:41:03 +03:00
parent 50a2db775d
commit 24d1dda07d
7 changed files with 215 additions and 64 deletions
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electron/chatgpt.cjs
+11 -28
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@@ -19,8 +19,7 @@ const fail = (code) => Object.assign(new Error(code), { code });
const publicError = (err) => ({
cancelled: "ChatGPT sign-in cancelled.",
timeout: "ChatGPT sign-in timed out. Try again.",
secure_storage: "Secure credential storage is unavailable. ChatGPT sign-in requires the desktop app and an OS secure-storage backend.",
storage: "ChatGPT credentials could not be saved securely. Reconnect before making requests.",
storage: "ChatGPT credentials could not be read or saved. Check local file access, then reconnect before making requests.",
identity: "ChatGPT sign-in could not be verified. Select the intended saved account and try again.",
scope: "ChatGPT plan permission is missing. Reconnect and authorize ChatGPT plan use.",
disconnected: "This ChatGPT connection is disconnected. Reconnect in Providers.",
@@ -34,7 +33,7 @@ const publicError = (err) => ({
const nonempty = (v) => typeof v === "string" && v.length > 0 && !/[\x00-\x20\x7f]/.test(v);
const planScopes = (tokens) => !!tokens?.accessToken && SCOPES.every((scope) => tokens.scopes.includes(scope));
/** Reject the entire encrypted record. Encryption is not schema validation. */
/** Reject the entire credential record when its schema is invalid. */
function validateState(state) {
if (!state || state.version !== 1 || !nonempty(state.hostId) || !Array.isArray(state.registrations) || !(state.activeId === null || nonempty(state.activeId))) throw fail("storage");
if (Object.hasOwn(state, "allowBackgroundUse") && typeof state.allowBackgroundUse !== "boolean") throw fail("storage");
@@ -51,35 +50,25 @@ function validateState(state) {
return state;
}
/** Encrypted envelope only, outside learning data. No plaintext fallback. */
function encryptedStore(file, safeStorage) {
function secure() {
if (!safeStorage.isEncryptionAvailable() || safeStorage.getSelectedStorageBackend?.() === "basic_text") throw fail("secure_storage");
}
/** Private, unencrypted JSON outside learning data. No OS credential-store access. */
function fileStore(file) {
return {
secure,
async read() {
secure();
try {
const envelope = JSON.parse(await fs.readFile(file, "utf8"));
if (envelope.version !== 1 || typeof envelope.encrypted !== "string" || !/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/.test(envelope.encrypted) || !envelope.encrypted) throw fail("storage");
const state = JSON.parse(safeStorage.decryptString(Buffer.from(envelope.encrypted, "base64")));
return validateState(state);
return validateState(JSON.parse(await fs.readFile(file, "utf8")));
} catch (err) {
if (err.code === "ENOENT") return null;
throw fail("storage");
}
},
async write(state) {
secure();
validateState(state);
const temp = `${file}.${crypto.randomUUID()}.tmp`;
let handle;
try {
const encrypted = safeStorage.encryptString(JSON.stringify(state)).toString("base64");
await fs.mkdir(path.dirname(file), { recursive: true, mode: 0o700 });
handle = await fs.open(temp, "wx", 0o600);
await handle.writeFile(JSON.stringify({ version: 1, encrypted }));
await handle.writeFile(`${JSON.stringify(state)}\n`);
await handle.sync();
await handle.close();
handle = null;
@@ -115,7 +104,6 @@ function createChatGPT({ store, openExternal, fetch: request = globalThis.fetch,
let authorityRevision = 0;
let catalogSequence = 0;
let storageDenied = false;
let secureAvailable = true;
const stamp = () => ({ epoch, authorityRevision, revision });
let backgroundIntent;
let pending;
@@ -174,17 +162,13 @@ function createChatGPT({ store, openExternal, fetch: request = globalThis.fetch,
state = first;
}
})();
try { await init; checkSecure(); } catch (err) { denyStorage(err); throw err; }
try { await init; } catch (err) { denyStorage(err); throw err; }
}
function denyStorage(err) {
secureAvailable = false;
if (!storageDenied) { storageDenied = true; lastError = publicError(err); stop(); }
}
function checkSecure() {
try { store.secure(); secureAvailable = true; } catch (err) { denyStorage(err); throw err; }
}
async function save(next) {
try { checkSecure(); validateState(next); await store.write(next); checkSecure(); } catch (err) {
try { validateState(next); await store.write(next); } catch (err) {
// A rotated token may already have invalidated its predecessor. Fail closed.
denyStorage(err);
lastError = publicError(err);
@@ -195,7 +179,7 @@ function createChatGPT({ store, openExternal, fetch: request = globalThis.fetch,
}
function snapshot() {
return {
available: !!state && secureAvailable && !closed && !paused,
available: !!state && !closed && !paused,
pending: !!pending,
allowBackgroundUse: backgroundAllowed(),
activeId: state?.activeId ?? null,
@@ -331,7 +315,7 @@ function createChatGPT({ store, openExternal, fetch: request = globalThis.fetch,
next.registrations = next.registrations.filter((r) => r.id !== record.id).concat(record);
next.activeId = record.id;
const previous = structuredClone(state);
await save(next); // Active identity changes only AFTER validation and durable encrypted persistence.
await save(next); // Active identity changes only AFTER validation and durable persistence.
if (closed || abort.signal.aborted || epoch !== attemptEpoch) {
await save(previous);
throw fail("cancelled");
@@ -365,7 +349,6 @@ function createChatGPT({ store, openExternal, fetch: request = globalThis.fetch,
function cancelLogin() { pending?.cancel(); return snapshot(); }
function authorized(background, expected, capturedEpoch) {
checkSecure();
const account = active();
if (!account || (capturedEpoch !== undefined && capturedEpoch !== epoch)) throw fail("disconnected");
if (!planScopes(account.tokens)) throw fail("scope");
@@ -553,4 +536,4 @@ function createChatGPT({ store, openExternal, fetch: request = globalThis.fetch,
return { status, login, cancelLogin, lease, models, select, consent, disconnect, logout, close, pause, resume, stamp };
}
module.exports = { createChatGPT, encryptedStore, publicError, allowedAuthEndpoint, SCOPES, validateState };
module.exports = { createChatGPT, fileStore, publicError, allowedAuthEndpoint, SCOPES, validateState };