learning_ai_common_plat/packages/auth-client/src/client.ts

528 lines
16 KiB
TypeScript

/**
* Browser/React Native-safe auth API client for platform-service.
*
* Replaces hand-rolled auth clients in ChronoMind web, MindLyst web, NomGap, etc.
* No Node.js dependencies — uses globalThis.fetch and configurable storage.
*
* @example
* ```ts
* import { createAuthClient } from '@bytelyst/auth-client';
*
* const auth = createAuthClient({
* baseUrl: 'http://localhost:4003/api',
* productId: 'chronomind',
* });
*
* const result = await auth.login('user@example.com', 'password123');
* console.log(result.user.displayName);
* ```
*/
import type {
AuthClient,
AuthClientConfig,
AuthProvider,
AuthResult,
AuthUser,
Device,
LoginEventInfo,
MfaRequiredResult,
MfaStatus,
Passkey,
SecurityOverview,
TokenStorage,
TotpSetupResult,
} from './types.js';
// ── Default localStorage adapter ─────────────────────────────────
/**
* No-op storage fallback used when `localStorage` is unavailable (e.g. SSR / Node.js).
* Tokens stored via noopStorage are NOT persisted — they are lost on page reload.
* For server-side rendering, use cookie-based auth instead of relying on this client.
*/
const noopStorage: TokenStorage = {
getItem: () => null,
setItem: () => {},
removeItem: () => {},
};
function getDefaultStorage(): TokenStorage {
if (
typeof globalThis.localStorage !== 'undefined' &&
typeof globalThis.localStorage?.getItem === 'function'
) {
return globalThis.localStorage;
}
return noopStorage;
}
// ── UUID helper (browser + RN safe) ──────────────────────────────
function uuid(): string {
if (typeof globalThis.crypto?.randomUUID === 'function') {
return globalThis.crypto.randomUUID();
}
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
const r = (Math.random() * 16) | 0;
return (c === 'x' ? r : (r & 0x3) | 0x8).toString(16);
});
}
// ── Factory ──────────────────────────────────────────────────────
export function createAuthClient(config: AuthClientConfig): AuthClient {
const { baseUrl, productId, timeoutMs = 15_000 } = config;
const storage = config.storage ?? getDefaultStorage();
const prefix = config.storagePrefix ?? productId;
const KEYS = {
accessToken: `${prefix}-auth-token`,
refreshToken: `${prefix}-refresh-token`,
} as const;
// ── Token management ────────────────────────────
function getAccessToken(): string | null {
return storage.getItem(KEYS.accessToken);
}
function getRefreshToken(): string | null {
return storage.getItem(KEYS.refreshToken);
}
function setTokens(accessToken: string, refreshToken: string): void {
storage.setItem(KEYS.accessToken, accessToken);
storage.setItem(KEYS.refreshToken, refreshToken);
}
function clearTokens(): void {
storage.removeItem(KEYS.accessToken);
storage.removeItem(KEYS.refreshToken);
}
function isAuthenticated(): boolean {
return getAccessToken() !== null;
}
// ── HTTP helper ─────────────────────────────────
async function request<T>(
path: string,
method: string,
body?: unknown,
opts?: { skipAuth?: boolean }
): Promise<T> {
const headers: Record<string, string> = {
'Content-Type': 'application/json',
'x-product-id': productId,
'x-request-id': uuid(),
};
if (!opts?.skipAuth) {
const token = getAccessToken();
if (token) headers['Authorization'] = `Bearer ${token}`;
}
const controller = new AbortController();
const timer = setTimeout(() => controller.abort(), timeoutMs);
try {
const res = await globalThis.fetch(`${baseUrl}${path}`, {
method,
headers,
body: body ? JSON.stringify(body) : undefined,
signal: controller.signal,
});
if (!res.ok) {
const data = await res.json().catch(() => ({}));
throw new Error(
(data as Record<string, string>).message ||
(data as Record<string, string>).error ||
`HTTP ${res.status}`
);
}
if (res.status === 204) return undefined as T;
return res.json() as Promise<T>;
} finally {
clearTimeout(timer);
}
}
// ── Singleton refresh guard ─────────────────────
let _refreshPromise: Promise<boolean> | null = null;
async function refreshAccessToken(): Promise<boolean> {
if (_refreshPromise) return _refreshPromise;
_refreshPromise = (async () => {
const rt = getRefreshToken();
if (!rt) return false;
try {
const data = await request<{ accessToken: string; refreshToken: string }>(
'/auth/refresh',
'POST',
{ refreshToken: rt },
{ skipAuth: true }
);
setTokens(data.accessToken, data.refreshToken);
return true;
} catch {
clearTokens();
return false;
}
})();
try {
return await _refreshPromise;
} finally {
_refreshPromise = null;
}
}
// ── Auth operations ─────────────────────────────
async function login(email: string, password: string): Promise<AuthResult | MfaRequiredResult> {
const result = await request<AuthResult | MfaRequiredResult>('/auth/login', 'POST', {
email,
password,
productId,
});
if ('mfaRequired' in result && result.mfaRequired) {
return result;
}
const authResult = result as AuthResult;
setTokens(authResult.accessToken, authResult.refreshToken);
return authResult;
}
async function register(
email: string,
password: string,
displayName: string
): Promise<AuthResult> {
const result = await request<AuthResult>('/auth/register', 'POST', {
email,
password,
displayName,
productId,
});
setTokens(result.accessToken, result.refreshToken);
return result;
}
async function getMe(): Promise<AuthUser> {
return request<AuthUser>('/auth/me', 'GET');
}
// ── Password management ─────────────────────────
async function forgotPassword(email: string): Promise<{ message: string }> {
return request<{ message: string }>('/auth/forgot-password', 'POST', {
email,
productId,
});
}
async function resetPassword(token: string, newPassword: string): Promise<{ message: string }> {
return request<{ message: string }>('/auth/reset-password', 'POST', {
token,
newPassword,
});
}
async function changePassword(
currentPassword: string,
newPassword: string
): Promise<{ message: string }> {
return request<{ message: string }>('/auth/change-password', 'POST', {
currentPassword,
newPassword,
});
}
// ── Account management ──────────────────────────
async function deleteAccount(password: string): Promise<{ message: string }> {
const result = await request<{ message: string }>('/auth/account', 'DELETE', {
password,
});
clearTokens();
return result;
}
// ── Email verification ──────────────────────────
async function verifyEmail(token: string): Promise<{ message: string }> {
return request<{ message: string }>('/auth/verify-email', 'POST', { token });
}
async function resendVerification(email: string): Promise<{ message: string }> {
return request<{ message: string }>('/auth/resend-verification', 'POST', {
email,
productId,
});
}
// ── OAuth / Social login (Phase 1C) ────────────────
async function loginWithOAuth(
provider: string,
idToken: string
): Promise<AuthResult | MfaRequiredResult> {
const result = await request<AuthResult | MfaRequiredResult>(
`/auth/oauth/${provider}`,
'POST',
{ idToken, productId },
{ skipAuth: true }
);
if ('mfaRequired' in result && result.mfaRequired) {
return result;
}
const authResult = result as AuthResult;
setTokens(authResult.accessToken, authResult.refreshToken);
return authResult;
}
async function loginWithGoogle(idToken: string): Promise<AuthResult | MfaRequiredResult> {
return loginWithOAuth('google', idToken);
}
async function loginWithMicrosoft(idToken: string): Promise<AuthResult | MfaRequiredResult> {
return loginWithOAuth('microsoft', idToken);
}
async function loginWithApple(idToken: string): Promise<AuthResult | MfaRequiredResult> {
return loginWithOAuth('apple', idToken);
}
// ── Provider management (Phase 1C) ─────────────────
async function getProviders(): Promise<AuthProvider[]> {
const data = await request<{ providers: AuthProvider[] }>('/auth/providers', 'GET');
return data.providers;
}
async function linkProvider(provider: string, idToken: string): Promise<void> {
await request<void>('/auth/providers/link', 'POST', { provider, idToken });
}
async function unlinkProvider(provider: string): Promise<void> {
await request<void>(`/auth/providers/${provider}`, 'DELETE');
}
// ── MFA (Phase 2D) ─────────────────────────────────
async function verifyMfa(
challengeToken: string,
code: string,
method: 'totp' | 'recovery'
): Promise<AuthResult> {
const result = await request<AuthResult>('/auth/mfa/verify', 'POST', {
challengeToken,
code,
method,
});
setTokens(result.accessToken, result.refreshToken);
return result;
}
async function setupTotp(): Promise<TotpSetupResult> {
return request<TotpSetupResult>('/auth/mfa/setup', 'POST');
}
async function verifyTotpSetup(code: string): Promise<void> {
await request<void>('/auth/mfa/verify-setup', 'POST', { code });
}
async function disableMfa(code: string): Promise<void> {
await request<void>('/auth/mfa/disable', 'POST', { code });
}
async function getMfaStatus(): Promise<MfaStatus> {
return request<MfaStatus>('/auth/mfa/status', 'GET');
}
async function regenerateRecoveryCodes(): Promise<{ codes: string[] }> {
return request<{ codes: string[] }>('/auth/mfa/recovery/regenerate', 'POST');
}
// ── Passkeys (Phase 3) ─────────────────────────────
async function getPasskeyRegisterOptions(): Promise<unknown> {
return request<unknown>('/auth/passkeys/register/options', 'POST');
}
async function verifyPasskeyRegistration(response: unknown): Promise<void> {
await request<void>('/auth/passkeys/register/verify', 'POST', response);
}
async function getPasskeyAuthOptions(): Promise<unknown> {
return request<unknown>('/auth/passkeys/authenticate/options', 'POST', undefined, {
skipAuth: true,
});
}
async function verifyPasskeyAuth(response: unknown): Promise<AuthResult> {
const result = await request<AuthResult>(
'/auth/passkeys/authenticate/verify',
'POST',
response,
{ skipAuth: true }
);
setTokens(result.accessToken, result.refreshToken);
return result;
}
async function listPasskeys(): Promise<Passkey[]> {
const data = await request<{ passkeys: Passkey[] }>('/auth/passkeys', 'GET');
return data.passkeys;
}
async function deletePasskey(id: string): Promise<void> {
await request<void>(`/auth/passkeys/${id}`, 'DELETE');
}
// ── Devices (Phase 3) ──────────────────────────────
async function listDevices(): Promise<Device[]> {
const data = await request<{ devices: Device[] }>('/auth/devices', 'GET');
return data.devices;
}
async function trustDevice(
fingerprint: string,
trustLevel: 'trusted' | 'remembered',
deviceInfo?: Record<string, string>
): Promise<void> {
await request<void>('/auth/devices/trust', 'POST', { fingerprint, trustLevel, deviceInfo });
}
async function revokeDevice(fingerprint: string): Promise<void> {
await request<void>(`/auth/devices/${fingerprint}`, 'DELETE');
}
async function revokeAllDevices(): Promise<void> {
await request<void>('/auth/devices/revoke-all', 'POST');
}
// ── Admin security (Phase 5B) ──────────────────────
async function getSecurityOverview(): Promise<SecurityOverview> {
return request<SecurityOverview>('/auth/security/overview', 'GET');
}
async function unlockUser(userId: string): Promise<void> {
await request<void>(`/auth/users/${userId}/unlock`, 'POST');
}
async function exportAuthData(): Promise<unknown> {
return request<unknown>('/auth/export', 'GET');
}
async function cancelDeletion(): Promise<{ message: string }> {
return request<{ message: string }>('/auth/account/cancel-deletion', 'POST');
}
// ── Step-up auth ────────────────────────────────────
async function stepUp(method: string, credential: string): Promise<{ stepUpToken: string }> {
return request<{ stepUpToken: string }>('/auth/step-up', 'POST', { method, credential });
}
// ── Login history ───────────────────────────────────
async function getLoginHistory(limit = 50): Promise<LoginEventInfo[]> {
const data = await request<{ events: LoginEventInfo[] }>(
`/auth/login-events?limit=${limit}`,
'GET'
);
return data.events;
}
// ── Admin security ──────────────────────────────────
async function getAdminLoginEvents(opts?: {
userId?: string;
suspicious?: boolean;
limit?: number;
}): Promise<LoginEventInfo[]> {
const params = new URLSearchParams();
if (opts?.userId) params.set('userId', opts.userId);
if (opts?.suspicious) params.set('suspicious', 'true');
if (opts?.limit) params.set('limit', String(opts.limit));
const qs = params.toString();
const data = await request<{ events: LoginEventInfo[] }>(
`/auth/login-events/admin${qs ? `?${qs}` : ''}`,
'GET'
);
return data.events;
}
async function getAdminDevices(userId: string): Promise<Device[]> {
const data = await request<{ devices: Device[] }>(`/auth/devices/user/${userId}`, 'GET');
return data.devices;
}
return {
getAccessToken,
getRefreshToken,
setTokens,
clearTokens,
isAuthenticated,
login,
register,
getMe,
refreshAccessToken,
forgotPassword,
resetPassword,
changePassword,
deleteAccount,
verifyEmail,
resendVerification,
// OAuth / Social login (Phase 1C)
loginWithGoogle,
loginWithMicrosoft,
loginWithApple,
// Provider management (Phase 1C)
getProviders,
linkProvider,
unlinkProvider,
// MFA (Phase 2D)
verifyMfa,
setupTotp,
verifyTotpSetup,
disableMfa,
getMfaStatus,
regenerateRecoveryCodes,
// Passkeys (Phase 3)
getPasskeyRegisterOptions,
verifyPasskeyRegistration,
getPasskeyAuthOptions,
verifyPasskeyAuth,
listPasskeys,
deletePasskey,
// Devices (Phase 3)
listDevices,
trustDevice,
revokeDevice,
revokeAllDevices,
// Admin security (Phase 5B)
getSecurityOverview,
unlockUser,
exportAuthData,
cancelDeletion,
// Step-up auth
stepUp,
// Login history
getLoginHistory,
// Admin queries
getAdminLoginEvents,
getAdminDevices,
};
}